CN108882179A - A kind of uplink time/frequency source distribution method and device - Google Patents
A kind of uplink time/frequency source distribution method and device Download PDFInfo
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- CN108882179A CN108882179A CN201710334192.3A CN201710334192A CN108882179A CN 108882179 A CN108882179 A CN 108882179A CN 201710334192 A CN201710334192 A CN 201710334192A CN 108882179 A CN108882179 A CN 108882179A
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- 238000009826 distribution Methods 0.000 title abstract description 3
- 230000000977 initiatory effect Effects 0.000 claims abstract description 30
- 238000012545 processing Methods 0.000 claims description 22
- 238000012216 screening Methods 0.000 claims description 4
- 230000007812 deficiency Effects 0.000 abstract 2
- 238000007599 discharging Methods 0.000 abstract 1
- 238000013468 resource allocation Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 11
- 238000004590 computer program Methods 0.000 description 7
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0446—Resources in time domain, e.g. slots or frames
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
- H04W4/08—User group management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/04—Large scale networks; Deep hierarchical networks
- H04W84/08—Trunked mobile radio systems
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Abstract
The invention discloses a kind of uplink time/frequency source distribution method and devices, when solving uplink time/frequency source deficiency in the prior art, base station cannot distribute enough uplink time/frequency sources to be badly in need of initiating the terminal device of group service, make the problem that group service fails or group service is second-rate.This method is：When access device determines that the target resource amount for the uplink time/frequency source that terminal device realizes that the group service initiated needs is greater than the first resource amount of uplink time/frequency source to be allocated, the uplink time/frequency source of Secondary resource amount is discharged in allocated uplink time/frequency source, and the uplink time/frequency source of release and the uplink time/frequency source to be allocated are distributed into the terminal device.In this way uplink time/frequency source deficiency when, access device is by discharging allocated uplink time/frequency source, enough uplink time/frequency sources are distributed to be badly in need of initiating the terminal device of group service, ensures that the terminal device initiates group service success and group service quality is preferable, promotes user experience.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a method and an apparatus for allocating uplink time-frequency resources.
Background
The trunking service is a service capable of realizing group calling, that is, realizing a call in units of groups. In the group calling process, one terminal device in the group initiates a call, and the terminal device and other terminal devices in the group carry out simultaneous communication, thereby achieving the effect of 'one-call-for-one-response'. The cluster service is widely applied to private network users, such as military, railway, public security and other users.
At present, after receiving a call request of a terminal device, a base station allocates uplink time-frequency resources to the terminal device to ensure that the terminal device is successfully called. However, as more and more terminal devices initiate the trunking service, more and more uplink time-frequency resources are required. When uplink time-frequency resources are insufficient and still a terminal device initiates a trunking service, the base station cannot allocate sufficient uplink time-frequency resources to the terminal device, which causes trunking service failure or poor trunking service quality.
Obviously, when uplink time-frequency resources are insufficient, if a terminal device which is urgently needed to initiate a trunking service initiates a call, the base station cannot allocate sufficient uplink time-frequency resources to the terminal device, which may cause the terminal device to initiate the trunking service to fail or the trunking service quality to be poor, and seriously affect user experience.
Disclosure of Invention
The invention provides an uplink time-frequency resource allocation method and device, which are used for solving the problem that when uplink time-frequency resources are insufficient in the prior art, a base station cannot allocate enough uplink time-frequency resources to terminal equipment which is in urgent need of initiating a trunking service, so that the terminal equipment fails to initiate the trunking service or the quality of the trunking service is poor.
The embodiment of the invention provides the following specific technical scheme:
in a first aspect, an embodiment of the present invention provides an uplink time-frequency resource allocation method, including:
the access equipment determines a target resource amount of an uplink time-frequency resource required by the terminal equipment initiating the trunking service to realize the trunking service and a first resource amount of the uplink time-frequency resource to be allocated;
when the access equipment determines that the target resource amount is larger than the first resource amount, the access equipment releases uplink time-frequency resources of a second resource amount in the allocated uplink time-frequency resources; wherein the second resource amount is a difference between the target resource amount and the first resource amount;
and the access equipment allocates the released uplink time-frequency resource and the uplink time-frequency resource to be allocated to the terminal equipment.
With reference to the first aspect, in a first possible implementation manner of the first aspect, the releasing, by the access device, the uplink time-frequency resources of the second resource amount from the allocated uplink time-frequency resources includes:
the access equipment determines the call priority of the terminal equipment;
the access equipment screens out at least one target terminal equipment from a plurality of terminal equipment to be selected which are allocated with uplink time-frequency resources, wherein the call priority of the plurality of terminal equipment to be selected is lower than the call priority of the terminal equipment;
and the access equipment releases the uplink time-frequency resource of the second resource amount in the uplink time-frequency resource allocated to the at least one target terminal equipment.
With reference to the first possible implementation manner of the first aspect, in a second possible implementation manner of the first aspect, the releasing, by the access device, the uplink time-frequency resources of the second resource amount from the uplink time-frequency resources allocated by the at least one target terminal device includes:
and the access equipment releases part or all of the uplink time-frequency resources allocated to each target terminal equipment in the at least one target terminal equipment.
With reference to the first possible implementation manner of the first aspect, in a third possible implementation manner of the first aspect, when the number of the at least one target terminal device is multiple, the releasing, by the access device, the uplink time-frequency resource of the second resource amount from the uplink time-frequency resources allocated to the at least one target terminal device includes:
the access equipment determines the call priority of the at least one target terminal equipment;
the access equipment divides the at least one target terminal equipment into a first type terminal equipment and a second type terminal equipment according to the call priority of the at least one target terminal equipment; the first class of terminal equipment comprises at least one target terminal equipment, the second class of terminal equipment comprises at least one target terminal equipment, and the call priority of each target terminal equipment in the first class of terminal equipment is greater than the call priority of each target terminal equipment in the second class of terminal equipment;
and the access equipment releases part of the uplink time-frequency resources allocated to each target terminal equipment in the first class of terminal equipment and releases all the uplink time-frequency resources allocated to each target terminal equipment in the second class of terminal equipment.
With reference to any one of the first to third possible implementation manners of the first aspect, in a fourth possible implementation manner of the first aspect, the determining, by the access device, the call priority of the terminal device includes:
after receiving the call request of the trunking service sent by the terminal equipment, the access equipment forwards the call request to core network equipment, so that the core network equipment determines the call priority of the terminal equipment according to the call request;
and the access equipment receives the call priority of the terminal equipment, which is sent by the core network equipment.
In a second aspect, an embodiment of the present invention provides an access device, including:
a processing unit, configured to determine a target resource amount of an uplink time-frequency resource required by a terminal device initiating a trunking service to implement the trunking service and a first resource amount of the uplink time-frequency resource to be allocated; and
when the target resource amount is determined to be larger than the first resource amount, releasing uplink time-frequency resources of a second resource amount in the allocated uplink time-frequency resources; wherein the second resource amount is a difference between the target resource amount and the first resource amount;
and the allocation unit is used for allocating the released uplink time-frequency resources and the uplink time-frequency resources to be allocated to the terminal equipment.
With reference to the second aspect, in a first possible implementation manner of the second aspect, the processing unit, when releasing the uplink time-frequency resources of the second resource amount from the allocated uplink time-frequency resources, is specifically configured to:
determining the call priority of the terminal equipment;
screening at least one target terminal device from a plurality of terminal devices to be selected which are allocated with uplink time-frequency resources, wherein the call priority of the plurality of terminal devices to be selected is lower than the call priority of the terminal device;
and releasing the uplink time-frequency resources of the second resource amount from the uplink time-frequency resources allocated to the at least one target terminal device.
With reference to the first possible implementation manner of the second aspect, in a second possible implementation manner of the second aspect, the processing unit, when releasing the uplink time-frequency resources of the second resource amount from the uplink time-frequency resources allocated to the at least one target terminal device, is specifically configured to:
and releasing part or all of the uplink time-frequency resources allocated to each target terminal device in the at least one target terminal device.
With reference to the first possible implementation manner of the second aspect, in a third possible implementation manner of the second aspect, when the number of the at least one target terminal device is multiple, the processing unit is specifically configured to, when releasing the uplink time-frequency resource of the second resource amount from the uplink time-frequency resources allocated to the at least one target terminal device:
determining the call priority of the at least one target terminal device;
dividing the at least one target terminal device into a first type terminal device and a second type terminal device according to the call priority of the at least one target terminal device; the first class of terminal equipment comprises at least one target terminal equipment, the second class of terminal equipment comprises at least one target terminal equipment, and the call priority of each target terminal equipment in the first class of terminal equipment is greater than the call priority of each target terminal equipment in the second class of terminal equipment;
and releasing part of uplink time-frequency resources allocated to each target terminal device in the first class of terminal devices, and releasing all uplink time-frequency resources allocated to each target terminal device in the second class of terminal devices.
With reference to any one of the first to third possible implementation manners of the second aspect, in a fourth possible implementation manner of the second aspect, the access device further includes:
a receiving unit, configured to receive a call request of the trunking service sent by the terminal device;
a sending unit, configured to forward the call request to a core network device, so that the core network device determines a call priority of the terminal device according to the call request;
the receiving unit is further configured to receive the call priority of the terminal device sent by the core network device;
the processing unit, when determining the call priority of the terminal device, is specifically configured to:
after controlling the receiving unit to receive the call request of the trunking service sent by the terminal device, controlling the sending unit to forward the call request to core network equipment so that the core network equipment determines the call priority of the terminal device according to the call request;
and controlling the receiving unit to receive the call priority of the terminal equipment sent by the core network equipment.
In the technical solution of the embodiment of the present invention, after an access device determines a target resource amount of an uplink time-frequency resource and a first resource amount of an uplink time-frequency resource to be allocated, which are required by a terminal device initiating a trunking service to implement the trunking service, and when it is determined that the target resource amount is greater than the first resource amount, the access device releases the uplink time-frequency resource of a second resource amount in the allocated uplink time-frequency resource, and allocates the released uplink time-frequency resource and the uplink time-frequency resource to be allocated to the terminal device; wherein the second resource amount is a difference between the target resource amount and the first resource amount. In the method, the access equipment can release the uplink time-frequency resources with the set quantity from the allocated uplink time-frequency resources, so that when the uplink time-frequency resources are insufficient, the access equipment can allocate enough uplink time-frequency resources to the terminal equipment which is in urgent need of initiating the cluster service, the success of initiating the cluster service by the terminal equipment is ensured, the cluster service quality is better, and the user experience is improved.
Drawings
Fig. 1 is an architecture diagram of a cluster service system according to an embodiment of the present invention;
fig. 2 is a flowchart of an uplink time-frequency resource allocation method according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an access device according to an embodiment of the present invention;
fig. 4 is a structural diagram of an access device according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the invention provides an uplink time-frequency resource allocation method and device, which are used for solving the problem that when uplink time-frequency resources are insufficient in the prior art, a base station cannot allocate enough uplink time-frequency resources to terminal equipment which is in urgent need of initiating a trunking service, so that the terminal equipment fails to initiate the trunking service or the quality of the trunking service is poor. The method and the device are based on the same inventive concept, and because the principles of solving the problems of the method and the device are similar, the implementation of the device and the method can be mutually referred, and repeated parts are not repeated.
In the technical solution of the embodiment of the present invention, after an access device determines a target resource amount of an uplink time-frequency resource and a first resource amount of an uplink time-frequency resource to be allocated, which are required by a terminal device initiating a trunking service to implement the trunking service, and when it is determined that the target resource amount is greater than the first resource amount, the access device releases the uplink time-frequency resource of a second resource amount in the allocated uplink time-frequency resource, and allocates the released uplink time-frequency resource and the uplink time-frequency resource to be allocated to the terminal device; wherein the second resource amount is a difference between the target resource amount and the first resource amount. In the method, the access equipment can release the uplink time-frequency resources with the set quantity from the allocated uplink time-frequency resources, so that when the uplink time-frequency resources are insufficient, the access equipment can allocate enough uplink time-frequency resources to the terminal equipment which is in urgent need of initiating the cluster service, the success of initiating the cluster service by the terminal equipment is ensured, the cluster service quality is better, and the user experience is improved.
In order to more clearly describe the technical solution of the embodiment of the present invention, a detailed description is given below of an uplink time-frequency resource allocation method and an uplink time-frequency resource allocation device provided in the embodiment of the present invention with reference to the accompanying drawings.
Fig. 1 shows a possible trunking service system to which the uplink time-frequency resource allocation method provided in the embodiment of the present invention is applicable, where an architecture of the trunking service system includes: the system comprises a calling terminal device, a calling base station, a core network device, a called base station and a plurality of called terminal devices (such as a called terminal device 1, a called terminal device 2 and a called terminal device 3 in fig. 1). Wherein,
the calling terminal device is used for initiating a trunking service and sending a call request of the trunking service to the calling base station; the call request includes a group identifier of the call, where the group identifier is an identifier of a group formed by a plurality of terminal devices participating in the trunking service.
For example, in fig. 1, the plurality of terminal devices participating in the trunking service are the calling terminal device, the called terminal device 1, the called terminal device 2, and the called terminal device 3, and therefore, the identifier of the group is an identifier of a group consisting of the calling terminal device, the called terminal device 1, the called terminal device 2, and the called terminal device 3.
The calling base station is configured to allocate, to the calling terminal device, an uplink time-frequency resource of a resource amount required by the calling terminal device to implement the trunking service, and forward a call request of the trunking service, which is sent by the calling terminal device, to the core network device;
the core network device is configured to determine the multiple called terminal devices (e.g., the called terminal device 1, the called terminal device 2, and the called terminal device 3 in fig. 1) according to the group identifier of the call included in the call request, and notify the determined identifiers of the multiple called terminal devices to the called base station;
the called base station is configured to allocate, to each called terminal device in the plurality of called terminal devices, a downlink time-frequency resource of a resource amount required for implementing the trunking service.
By the method, the cluster service from the calling terminal equipment to the plurality of called terminal equipment can be realized, so that the calling terminal equipment can simultaneously inform the plurality of called terminal equipment of the call message to be transmitted.
It should be noted that fig. 1 is an example of a trunking service system, and optionally, the calling base station and the called base station may be the same base station.
The uplink time-frequency resource allocation method provided by the embodiment of the invention is suitable for the cluster service system shown in fig. 1. Referring to fig. 2, the specific process of the method includes:
step 201: the access equipment determines a target resource amount of an uplink time-frequency resource needed by the terminal equipment initiating the trunking service to realize the trunking service and a first resource amount of the uplink time-frequency resource to be allocated.
The access device may also be referred to as a base station, and is a device for providing a wireless access service for a terminal device. Optionally, the Access device may include, but is not limited to, an evolved Node B (eNB), a Base Transceiver Station (BTS), an Access Point (AP), a Small-cell Access Point (SAP), a Wireless Access Point (WiFi AP), and the like, which is not limited in this disclosure.
Optionally, the terminal device may be an interphone, a mobile phone, or the like.
Optionally, the specific method for determining the target resource amount by the access device may be:
the access device receives a resource request message sent by the terminal device, wherein the resource request message comprises a target resource amount of uplink time-frequency resources required by the terminal device to realize the cluster service;
the access device determines the target amount of resources in the resource request message.
The access device maintains uplink time-frequency resources to be allocated in real time, so the access device can determine the first resource amount of the uplink video resources to be allocated in real time.
By the above method, the access device may accurately determine the target resource amount and the first resource amount, so that the access device performs step 202.
Step 202: when the access equipment determines that the target resource amount is larger than the first resource amount, the access equipment releases uplink time-frequency resources of a second resource amount in the allocated uplink time-frequency resources; wherein the second resource amount is a difference between the target resource amount and the first resource amount.
Optionally, in step 202, when it is determined that the target resource amount is greater than the first resource amount, the access device subtracts the first resource amount from the target resource amount to obtain the second resource amount, so that the access device accurately releases the uplink time-frequency resource of the required resource amount, that is, releases the uplink time-frequency resource of the second resource amount, and further subsequently allocates the uplink time-frequency resource of the resource amount required by the terminal device to the terminal device.
Optionally, the access device releases the uplink time-frequency resource of the second resource amount from the allocated uplink time-frequency resources, and specifically includes the following three steps:
a1, the access device determines the call priority of the terminal device; the call priority is used for indicating the priority of the cluster service initiated by the terminal equipment;
a2, the access device screens at least one target terminal device from a plurality of terminal devices to be selected which have been allocated uplink time-frequency resources, wherein the call priority of the plurality of terminal devices to be selected is lower than the call priority of the terminal device;
a3, the access device releases the uplink time frequency resource of the second resource amount in the uplink time frequency resource allocated by the at least one target terminal device.
Optionally, in the step a1, the determining, by the access device, the call priority of the terminal device may specifically include the following two steps:
b1, after receiving the call request of the trunking service sent by the terminal device, the access device forwards the call request to a core network device, so that the core network device determines the call priority of the terminal device according to the call request;
b2, the access device receives the call priority of the terminal device sent by the core network device.
Optionally, in step B1, when forwarding the call request to the core network device, the access device may carry the call request in an INITIAL user MESSAGE (INITIAL UE MESSAGE) sent by the access device to the core network device; in addition, the INITIAL UE MESSAGE may also carry an identifier of the terminal device, a Network Attached Storage (NAS) signaling, and the like.
Optionally, the call request includes a target group identifier, where the target group identifier is an identifier of a group formed by multiple terminal devices participating in the trunking service. After receiving the call request forwarded by the access device, the core network device determines the call priority of the terminal device according to the call request, and the specific method may be as follows:
the core network equipment determines the target group identification in the call request;
the core network equipment acquires the stored priority of the target group identifier, and takes the priority of the target group identifier as the call priority of the terminal equipment; or
And the core network equipment determines the priority of the target group identifier according to the corresponding relation between the group identifier and the priority, and takes the priority of the target group identifier as the call priority of the terminal equipment.
Optionally, after the core network device determines the call priority of the terminal device, the call priority sent by the core network device to the access device by the terminal device may be carried in an INITIAL CONTEXT SETUP REQUEST (INITIAL CONTEXT SETUP REQUEST) sent by the core network device to the access device, that is, in step B2, the access device may receive the call priority by receiving the INITIAL CONTEXT SETUP REQUEST sent by the core network device.
Optionally, the call priority may be represented by a number (1, 2 … … 255), a letter (A, B … … Z), or the like, and specifically, when the call priority is represented by a number font, the call priority may be represented by a number from small to large, for example, a call priority of 1 is higher than a call priority of 6; when the call priority is represented by the letter, the priority of the call can be represented by the sequence of the letters, for example, the call priority of A is higher than that of B.
Optionally, after determining the call priority of the terminal device in step a1, the access device stores the call priority of the terminal device locally, so that the access device can find the call priority of the terminal device in a subsequent process, and further know a specific resource amount of the uplink time-frequency resource allocated by the terminal device.
Optionally, in the step a2, the specific implementation process of the access device may be: the access equipment screens out a plurality of terminal equipment to be selected with the calling priority lower than that of the terminal equipment from a plurality of terminal equipment which are distributed with uplink time-frequency resources according to the calling priority of the terminal equipment; and then the access equipment screens out at least one target terminal equipment from the plurality of terminal equipment to be selected.
Optionally, when the access device filters the at least one target terminal device from the multiple terminal devices to be selected, the access device may optionally filter the at least one terminal device to be selected from the multiple terminal devices to be selected, use the filtered at least one terminal device to be selected as the at least one target terminal device, may also filter the at least one terminal device to be selected from the multiple terminal devices to be selected, which has the lowest call priority, and use the filtered at least one terminal device to be selected as the at least one target terminal device.
For example, when the call priority of the terminal device is 50, the access device determines that the call priorities of the multiple candidate terminal devices are 120, 130, 60, and 199, respectively, and at this time, the at least one target terminal device may be a terminal device with a call priority of 130 and 60, or may be a terminal device with a call priority of 199.
Optionally, in step a3, the access device releases the uplink time-frequency resource of the second resource amount from the uplink time-frequency resources allocated to the at least one target terminal device, and the specific method may be:
and the access equipment releases part or all of the uplink time-frequency resources allocated to each target terminal equipment in the at least one target terminal equipment.
Specifically, when the total resource amount of the uplink time-frequency resources allocated to the at least one target terminal device is equal to the second resource amount, the access device releases all the uplink time-frequency resources allocated to each target terminal device in the at least one target terminal device, so as to release the uplink time-frequency resources of the second resource amount;
when the total resource amount of the uplink time-frequency resources allocated to the at least one target terminal device is greater than the second resource amount, the access device releases part of the uplink time-frequency resources allocated to each target terminal device in the at least one target terminal device, so that the at least one target terminal device can continue to perform low-quality trunking service through a small amount of uplink time-frequency resources, and trunking service is not interrupted.
Optionally, in the step a3, when the number of the at least one target terminal device is multiple, the access device may release the uplink time-frequency resource of the second resource amount from the uplink time-frequency resources allocated to the at least one target terminal device, and besides the method, the specific method may further include:
the access equipment determines the call priority of the at least one target terminal equipment;
the access equipment divides the at least one target terminal equipment into a first type terminal equipment and a second type terminal equipment according to the call priority of the at least one target terminal equipment; the first class of terminal equipment comprises at least one target terminal equipment, the second class of terminal equipment comprises at least one target terminal equipment, and the call priority of each target terminal equipment in the first class of terminal equipment is greater than the call priority of each target terminal equipment in the second class of terminal equipment;
and the access equipment releases part of the uplink time-frequency resources allocated to each target terminal equipment in the first class of terminal equipment and releases all the uplink time-frequency resources allocated to each target terminal equipment in the second class of terminal equipment.
The access device receives the call requests of the trunking services sent by the plurality of terminal devices, and the access device stores the call priorities of the plurality of terminal devices, so that the access device can accurately determine the call priority of the at least one target terminal device.
For example, the call priorities of the at least one target terminal device are respectively 80, 100, 106, 99, and 208, the resource amounts of the allocated uplink time-frequency resources are respectively 30, 20, 10, 25, and 10, and when the second resource amount is 40, the access device may classify the target terminal devices with the call priorities of 80, 100, and 99 into the first class of terminal devices, and classify the target terminal devices with the call priorities of 106 and 208 into the second class of terminal devices; then, the access device releases part of the uplink time-frequency resources allocated to the first class of terminal devices with the call priority of 80, 100, 99 (for example, 10, 5 are released respectively), and releases all the uplink time-frequency resources allocated to the second class of terminal devices with the call priority of 106, 208 (i.e., 10 are released), that is, releases the uplink time-frequency resources of the second resource amount (i.e., 40).
Optionally, when the number of the at least one target terminal device is multiple and the total resource amount of the uplink time-frequency resources allocated to the at least one target terminal device is greater than the second resource amount, in addition to the foregoing method, the access device may further perform the step a3 by using the following two methods:
the first method comprises the following steps: and the access equipment sets the quantity of resources to be released in the uplink time-frequency resources allocated to each target terminal equipment in the at least one target terminal equipment according to the sequence from high to low of the call priority of the at least one target terminal equipment, and releases the uplink time-frequency resources of the set quantity of resources allocated to each target terminal equipment.
Specifically, when the access device sets the amount of resources to be released for the at least one target terminal device, the amount of resources to be released may be set from high to low according to the call priority, or the amount of resources to be released may be set from low to high according to the call priority.
For example, when the call priority of the at least one target terminal device is from high to low and is respectively 80, 99, 100, 106, and 208, the access device may set, according to the call priority from high to low, the amount of resources that need to be released in the uplink time-frequency resources allocated to the at least one target terminal device to be respectively 15, 10, 8, 5, and 2.
The second method comprises the following steps: the access device determines the resource amount of the uplink time-frequency resource allocated to each target terminal device in the at least one target terminal device, sets the resource amount to be released in the uplink time-frequency resource allocated to each target terminal device in the at least one target terminal device according to the sequence of the resource amount of the allocated uplink time-frequency resource from the maximum to the minimum, and releases the uplink time-frequency resource of the set resource amount allocated to each target terminal device.
Specifically, when the access device sets the amount of resources to be released for the at least one target terminal device, the amount of resources to be released may be set from at least one of the allocated amounts of resources of uplink time-frequency resources.
For example, when the resource amount of the uplink time-frequency resource allocated to the at least one target terminal device is at least 30, 25, 20, 10, and 10, respectively, the access device may set, according to the resource amount of the allocated uplink time-frequency resource, the resource amount to be released in the uplink time-frequency resource allocated to the at least one target terminal device to be at least 15, 10, 8, 5, and 2, respectively.
Optionally, when the access device executes step a3, besides the above listed methods, other methods may also be adopted, and the present invention is not described herein again.
Step 203: and the access equipment allocates the released uplink time-frequency resource and the uplink time-frequency resource to be allocated to the terminal equipment.
The access device may enable the terminal device to obtain the uplink time-frequency resource of the target resource amount by executing step 203, that is, the terminal device may obtain the uplink time-frequency resource of the target resource amount required for implementing the trunking service, so that the terminal device successfully initiates the trunking service, and the quality of the trunking service is better, thereby improving user experience.
By adopting the uplink time-frequency resource allocation method provided by the embodiment of the invention, after the access equipment determines that the terminal equipment initiating the trunking service realizes the target resource amount of the uplink time-frequency resource required by the trunking service and the first resource amount of the uplink time-frequency resource to be allocated, when the target resource amount is determined to be larger than the first resource amount, the access equipment releases the uplink time-frequency resource of the second resource amount in the allocated uplink time-frequency resource, and allocates the released uplink time-frequency resource and the uplink time-frequency resource to be allocated to the terminal equipment; wherein the second resource amount is a difference between the target resource amount and the first resource amount. In the method, the access equipment can release the uplink time-frequency resources with the set quantity from the allocated uplink time-frequency resources, so that when the uplink time-frequency resources are insufficient, the access equipment can allocate enough uplink time-frequency resources to the terminal equipment which is in urgent need of initiating the cluster service, the success of initiating the cluster service by the terminal equipment is ensured, the cluster service quality is better, and the user experience is improved.
Based on the foregoing embodiments, an embodiment of the present invention further provides an access device, where the access device has a function of implementing the uplink time-frequency resource allocation method shown in fig. 2, and referring to fig. 3, the access device 300 includes: a processing unit 301 and a distribution unit 302, wherein,
the processing unit 301 is configured to determine a target resource amount of an uplink time-frequency resource required by a terminal device initiating a trunking service to implement the trunking service and a first resource amount of the uplink time-frequency resource to be allocated; and
when the target resource amount is determined to be larger than the first resource amount, releasing uplink time-frequency resources of a second resource amount in the allocated uplink time-frequency resources; wherein the second resource amount is a difference between the target resource amount and the first resource amount;
the allocating unit 302 is configured to allocate the released uplink time-frequency resource and the uplink time-frequency resource to be allocated to the terminal device.
Optionally, when releasing the uplink time-frequency resource of the second resource amount from the allocated uplink time-frequency resources, the processing unit 301 is specifically configured to:
determining the call priority of the terminal equipment;
screening at least one target terminal device from a plurality of terminal devices to be selected which are allocated with uplink time-frequency resources, wherein the call priority of the plurality of terminal devices to be selected is lower than the call priority of the terminal device;
and releasing the uplink time-frequency resources of the second resource amount from the uplink time-frequency resources allocated to the at least one target terminal device.
Optionally, when releasing the uplink time-frequency resource of the second resource amount from the uplink time-frequency resources allocated to the at least one target terminal device, the processing unit 301 is specifically configured to:
and releasing part or all of the uplink time-frequency resources allocated to each target terminal device in the at least one target terminal device.
Optionally, when the number of the at least one target terminal device is multiple, the processing unit 301 is specifically configured to, when releasing the uplink time-frequency resource of the second resource amount from the uplink time-frequency resources allocated to the at least one target terminal device:
determining the call priority of the at least one target terminal device;
dividing the at least one target terminal device into a first type terminal device and a second type terminal device according to the call priority of the at least one target terminal device; the first class of terminal equipment comprises at least one target terminal equipment, the second class of terminal equipment comprises at least one target terminal equipment, and the call priority of each target terminal equipment in the first class of terminal equipment is greater than the call priority of each target terminal equipment in the second class of terminal equipment;
and releasing part of uplink time-frequency resources allocated to each target terminal device in the first class of terminal devices, and releasing all uplink time-frequency resources allocated to each target terminal device in the second class of terminal devices.
Optionally, the access device further includes:
a receiving unit, configured to receive a call request of the trunking service sent by the terminal device;
a sending unit, configured to forward the call request to a core network device, so that the core network device determines a call priority of the terminal device according to the call request;
the receiving unit is further configured to receive the call priority of the terminal device sent by the core network device;
the processing unit 301, when determining the call priority of the terminal device, is specifically configured to:
after controlling the receiving unit to receive the call request of the trunking service sent by the terminal device, controlling the sending unit to forward the call request to core network equipment so that the core network equipment determines the call priority of the terminal device according to the call request;
and controlling the receiving unit to receive the call priority of the terminal equipment sent by the core network equipment.
By adopting the access device provided by the embodiment of the invention, after determining the target resource amount of the uplink time-frequency resource required by the terminal device initiating the trunking service to realize the trunking service and the first resource amount of the uplink time-frequency resource to be allocated, when determining that the target resource amount is greater than the first resource amount, the access device releases the uplink time-frequency resource of the second resource amount in the allocated uplink time-frequency resource, and allocates the released uplink time-frequency resource and the uplink time-frequency resource to be allocated to the terminal device; wherein the second resource amount is a difference between the target resource amount and the first resource amount. In the method, the access equipment can release the uplink time-frequency resources with the set quantity from the allocated uplink time-frequency resources, so that when the uplink time-frequency resources are insufficient, the access equipment can allocate enough uplink time-frequency resources to the terminal equipment which is in urgent need of initiating the cluster service, the success of initiating the cluster service by the terminal equipment is ensured, the cluster service quality is better, and the user experience is improved.
It should be noted that the division of the unit in the embodiment of the present invention is schematic, and is only a logic function division, and there may be another division manner in actual implementation. The functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application may be substantially implemented or contributed by the prior art, or all or part of the technical solution may be embodied in a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, a network device, or the like) or a processor (processor) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
Based on the above embodiments, an embodiment of the present invention further provides an access device, where the access device has a function of implementing the uplink time-frequency resource allocation method shown in fig. 2. Referring to fig. 4, the access device 400 includes: a processor 401, a transceiver 402, a bus 403, and a memory 404, wherein,
the processor 401 is configured to read the program in the memory 404, and execute the following processes:
determining a target resource amount of an uplink time-frequency resource required by a terminal device initiating a trunking service to realize the trunking service and a first resource amount of the uplink time-frequency resource to be allocated;
when the target resource amount is determined to be larger than the first resource amount, releasing uplink time-frequency resources of a second resource amount in the allocated uplink time-frequency resources; wherein the second resource amount is a difference between the target resource amount and the first resource amount;
and allocating the released uplink time-frequency resource and the uplink time-frequency resource to be allocated to the terminal equipment.
Optionally, when releasing the uplink time-frequency resource of the second resource amount from the allocated uplink time-frequency resources, the processor 401 is specifically configured to:
determining the call priority of the terminal equipment;
screening at least one target terminal device from a plurality of terminal devices to be selected which are allocated with uplink time-frequency resources, wherein the call priority of the plurality of terminal devices to be selected is lower than the call priority of the terminal device;
and releasing the uplink time-frequency resources of the second resource amount from the uplink time-frequency resources allocated to the at least one target terminal device.
Optionally, the processor 401, when releasing the uplink time-frequency resource of the second resource amount from the uplink time-frequency resources allocated to the at least one target terminal device, is specifically configured to:
and releasing part or all of the uplink time-frequency resources allocated to each target terminal device in the at least one target terminal device.
Optionally, when the number of the at least one target terminal device is multiple, the processor 401, in the uplink time-frequency resource allocated to the at least one target terminal device, is specifically configured to:
determining the call priority of the at least one target terminal device;
dividing the at least one target terminal device into a first type terminal device and a second type terminal device according to the call priority of the at least one target terminal device; the first class of terminal equipment comprises at least one target terminal equipment, the second class of terminal equipment comprises at least one target terminal equipment, and the call priority of each target terminal equipment in the first class of terminal equipment is greater than the call priority of each target terminal equipment in the second class of terminal equipment;
and releasing part of uplink time-frequency resources allocated to each target terminal device in the first class of terminal devices, and releasing all uplink time-frequency resources allocated to each target terminal device in the second class of terminal devices.
Optionally, when determining the call priority of the terminal device, the processor 401 is specifically configured to:
after controlling the transceiver 402 to receive the call request of the trunking service sent by the terminal device, controlling the transceiver 402 to forward the call request to a core network device, so that the core network device determines the call priority of the terminal device according to the call request;
controlling the transceiver 402 to receive the call priority of the terminal device sent by the core network device.
The transceiver 402 is configured to receive and transmit data under the control of the processor 401.
In fig. 4, the bus architecture may comprise any number of interconnected buses and bridges, with one or more processors represented by the processor 401 and various circuits of the memory represented by the memory 404 being linked together. The bus architecture may also link together various other circuits such as peripherals, voltage regulators, power management circuits, and the like, which are well known in the art, and therefore, will not be described any further herein. The bus interface provides an interface. The transceiver 402 may be a number of elements, including a transmitter and a transceiver, providing a means for communicating with various other apparatus over a transmission medium. The processor 401 is responsible for managing the bus architecture and general processing, and the memory 404 may store data used by the processor 401 in performing operations.
By adopting the access device provided by the embodiment of the invention, after determining the target resource amount of the uplink time-frequency resource required by the terminal device initiating the trunking service to realize the trunking service and the first resource amount of the uplink time-frequency resource to be allocated, when determining that the target resource amount is greater than the first resource amount, the access device releases the uplink time-frequency resource of the second resource amount in the allocated uplink time-frequency resource, and allocates the released uplink time-frequency resource and the uplink time-frequency resource to be allocated to the terminal device; wherein the second resource amount is a difference between the target resource amount and the first resource amount. In the method, the access equipment can release the uplink time-frequency resources with the set quantity from the allocated uplink time-frequency resources, so that when the uplink time-frequency resources are insufficient, the access equipment can allocate enough uplink time-frequency resources to the terminal equipment which is in urgent need of initiating the cluster service, the success of initiating the cluster service by the terminal equipment is ensured, the cluster service quality is better, and the user experience is improved.
In summary, in the method, after determining that a terminal device initiating a trunking service implements a target resource amount of an uplink time-frequency resource required by the trunking service and a first resource amount of an uplink time-frequency resource to be allocated, and when determining that the target resource amount is greater than the first resource amount, the access device releases the uplink time-frequency resource of a second resource amount from the allocated uplink time-frequency resources, and allocates the released uplink time-frequency resource and the uplink time-frequency resource to be allocated to the terminal device; wherein the second resource amount is a difference between the target resource amount and the first resource amount. In the method, the access equipment can release the uplink time-frequency resources with the set quantity from the allocated uplink time-frequency resources, so that when the uplink time-frequency resources are insufficient, the access equipment can allocate enough uplink time-frequency resources to the terminal equipment which is in urgent need of initiating the cluster service, the success of initiating the cluster service by the terminal equipment is ensured, the cluster service quality is better, and the user experience is improved.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various modifications and variations can be made in the embodiments of the present invention without departing from the spirit or scope of the embodiments of the invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to encompass such modifications and variations.
Claims (10)
1. A method for allocating uplink time-frequency resources is characterized by comprising the following steps:
the access equipment determines a target resource amount of an uplink time-frequency resource required by the terminal equipment initiating the trunking service to realize the trunking service and a first resource amount of the uplink time-frequency resource to be allocated;
when the access equipment determines that the target resource amount is larger than the first resource amount, the access equipment releases uplink time-frequency resources of a second resource amount in the allocated uplink time-frequency resources; wherein the second resource amount is a difference between the target resource amount and the first resource amount;
and the access equipment allocates the released uplink time-frequency resource and the uplink time-frequency resource to be allocated to the terminal equipment.
2. The method of claim 1, wherein the access device releases the uplink time-frequency resources of the second amount of resources among the allocated uplink time-frequency resources, comprising:
the access equipment determines the call priority of the terminal equipment;
the access equipment screens out at least one target terminal equipment from a plurality of terminal equipment to be selected which are allocated with uplink time-frequency resources, wherein the call priority of the plurality of terminal equipment to be selected is lower than the call priority of the terminal equipment;
and the access equipment releases the uplink time-frequency resource of the second resource amount in the uplink time-frequency resource allocated to the at least one target terminal equipment.
3. The method of claim 2, wherein the access device releases the uplink time-frequency resources of the second amount of resources among the uplink time-frequency resources allocated by the at least one target terminal device, and the method comprises:
and the access equipment releases part or all of the uplink time-frequency resources allocated to each target terminal equipment in the at least one target terminal equipment.
4. The method of claim 2, wherein when the number of the at least one target terminal device is multiple, the access device releases the uplink time-frequency resources of the second resource amount from the uplink time-frequency resources allocated to the at least one target terminal device, and the method includes:
the access equipment determines the call priority of the at least one target terminal equipment;
the access equipment divides the at least one target terminal equipment into a first type terminal equipment and a second type terminal equipment according to the call priority of the at least one target terminal equipment; the first class of terminal equipment comprises at least one target terminal equipment, the second class of terminal equipment comprises at least one target terminal equipment, and the call priority of each target terminal equipment in the first class of terminal equipment is greater than the call priority of each target terminal equipment in the second class of terminal equipment;
and the access equipment releases part of the uplink time-frequency resources allocated to each target terminal equipment in the first class of terminal equipment and releases all the uplink time-frequency resources allocated to each target terminal equipment in the second class of terminal equipment.
5. The method of any of claims 2-4, wherein the access device determining the call priority of the terminal device comprises:
after receiving the call request of the trunking service sent by the terminal equipment, the access equipment forwards the call request to core network equipment, so that the core network equipment determines the call priority of the terminal equipment according to the call request;
and the access equipment receives the call priority of the terminal equipment, which is sent by the core network equipment.
6. An access device, comprising:
a processing unit, configured to determine a target resource amount of an uplink time-frequency resource required by a terminal device initiating a trunking service to implement the trunking service and a first resource amount of the uplink time-frequency resource to be allocated; and
when the target resource amount is determined to be larger than the first resource amount, releasing uplink time-frequency resources of a second resource amount in the allocated uplink time-frequency resources; wherein the second resource amount is a difference between the target resource amount and the first resource amount;
and the allocation unit is used for allocating the released uplink time-frequency resources and the uplink time-frequency resources to be allocated to the terminal equipment.
7. The access device of claim 6, wherein the processing unit, when releasing the uplink time-frequency resources of the second resource amount from the allocated uplink time-frequency resources, is specifically configured to:
determining the call priority of the terminal equipment;
screening at least one target terminal device from a plurality of terminal devices to be selected which are allocated with uplink time-frequency resources, wherein the call priority of the plurality of terminal devices to be selected is lower than the call priority of the terminal device;
and releasing the uplink time-frequency resources of the second resource amount from the uplink time-frequency resources allocated to the at least one target terminal device.
8. The access device of claim 7, wherein the processing unit, when releasing the uplink time-frequency resource of the second resource amount from the uplink time-frequency resources allocated to the at least one target terminal device, is specifically configured to:
and releasing part or all of the uplink time-frequency resources allocated to each target terminal device in the at least one target terminal device.
9. The access device of claim 7, wherein, when the number of the at least one target terminal device is multiple, the processing unit, when releasing the uplink time-frequency resource of the second resource amount from the uplink time-frequency resources allocated to the at least one target terminal device, is specifically configured to:
determining the call priority of the at least one target terminal device;
dividing the at least one target terminal device into a first type terminal device and a second type terminal device according to the call priority of the at least one target terminal device; the first class of terminal equipment comprises at least one target terminal equipment, the second class of terminal equipment comprises at least one target terminal equipment, and the call priority of each target terminal equipment in the first class of terminal equipment is greater than the call priority of each target terminal equipment in the second class of terminal equipment;
and releasing part of uplink time-frequency resources allocated to each target terminal device in the first class of terminal devices, and releasing all uplink time-frequency resources allocated to each target terminal device in the second class of terminal devices.
10. The access device of any one of claims 7-9, wherein the access device further comprises:
a receiving unit, configured to receive a call request of the trunking service sent by the terminal device;
a sending unit, configured to forward the call request to a core network device, so that the core network device determines a call priority of the terminal device according to the call request;
the receiving unit is further configured to receive the call priority of the terminal device sent by the core network device;
the processing unit, when determining the call priority of the terminal device, is specifically configured to:
after controlling the receiving unit to receive the call request of the trunking service sent by the terminal device, controlling the sending unit to forward the call request to core network equipment so that the core network equipment determines the call priority of the terminal device according to the call request;
and controlling the receiving unit to receive the call priority of the terminal equipment sent by the core network equipment.
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| CN201710334192.3A CN108882179A (en) | 2017-05-12 | 2017-05-12 | A kind of uplink time/frequency source distribution method and device |
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| CN201710334192.3A CN108882179A (en) | 2017-05-12 | 2017-05-12 | A kind of uplink time/frequency source distribution method and device |
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