CN104754524A - Group communication method, user equipment, base station equipment and system - Google Patents

Group communication method, user equipment, base station equipment and system Download PDF

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Publication number
CN104754524A
CN104754524A CN201510147650.3A CN201510147650A CN104754524A CN 104754524 A CN104754524 A CN 104754524A CN 201510147650 A CN201510147650 A CN 201510147650A CN 104754524 A CN104754524 A CN 104754524A
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China
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group
base station
priority value
subscriber equipment
running time
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CN201510147650.3A
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CN104754524B (en
Inventor
郑倩
雷艺学
张晨璐
其他发明人请求不公开姓名
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Shenzhen Coolpad Technologies Co Ltd
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Shenzhen Coolpad Technologies Co Ltd
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Priority to CN201510147650.3A priority Critical patent/CN104754524B/en
Priority to PCT/CN2015/080407 priority patent/WO2016155113A1/en
Publication of CN104754524A publication Critical patent/CN104754524A/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention discloses a group communication method. The group communication method comprises the following steps of transmitting a buffer state report (BSR) to base station equipment; acquiring time frequency resources distributed by the base station equipment to user equipment; distributing time frequency resources to a group of the user equipment according to a priority value; and performing group communication with other user equipment which is distributed to the group of the time frequency resources. The BSR carries at least one group index, each group index corresponds to group recognition codes of at least one group of the user equipment, each group index or each group recognition code reflects a predefined priority value so that the base station equipment can distribute the time frequency resources for different user equipment according to the priority value. Correspondingly, an embodiment of the invention also discloses user equipment, base station equipment and a group communication system. By the group communication method, required resources of group communication can be distributed reasonably, and business quality is improved.

Description

A kind of method of group communication, subscriber equipment, base station equipment and system
Technical field
The present invention relates to wireless communication technology field, particularly relate to a kind of method of group communication, subscriber equipment, base station equipment and system.
Background technology
Along with the development of wireless communication technology, terminal direct communication (Device to Device, D2D) has become one of focus of 3GPP Rel-12 standardized technique.D2D allows two subscriber equipment (UserEquipment, UE) directly transfer of data is carried out by specific channel (Sidelink Channel), and without the need to through evolved base station equipment (Evolutional Node B, eNB), certainly, D2D is not limited to the transfer of data between two subscriber equipmenies, can also support the group communication (GroupCommunication) of single point-to-multipoint.Such as, refer to Fig. 7, SRC UE represents source UE (namely sending the UE of data) as shown in the figure, DST UE represents object UE (namely receiving the UE of data), source UE and object UE carry out group communication by Sidelink Channel in its Group, in addition, can learn from figure that source UE and object UE can be in different Group simultaneously.
The process of the existing group communication of D2D is: (1) source UE sends Buffer Status Report (Buffer Status Report, BSR), to ask running time-frequency resource to eNB; (2) source UE monitors Physical Downlink Control Channel (Physical Downlink Control Channel, PDCCH), or enhancement mode Physical Downlink Control Channel (Enhanced Physical Downlink Control Channel, ePDCCH), to demodulate the buffer requirement amount (Buffer Size) for it distributes, i.e. running time-frequency resource; (3) time-frequency resource allocating gives each Group to carry out group communication by source UE.
But, because eNB can not distinguish the priority of not homology UE, and the priority of the different Group of same source UE, cause occurring following problem: limited running time-frequency resource can only be distributed to source UE by (1) eNB randomly, if the running time-frequency resource of the source UE request that now priority is high is few and priority is low source UE asks running time-frequency resource is more, probably most resource is all assigned to the low source UE of priority; (2) limited running time-frequency resource can only be distributed to the Group of same source UE by eNB randomly, if the running time-frequency resource of the Group request that now priority is high is few and priority is low Group asks running time-frequency resource is more, then probably most resource is all assigned to the low Group of priority.
Summary of the invention
The invention provides a kind of method of group communication, subscriber equipment, base station equipment and system, solve the unbalanced problem of communication group Resourse Distribute, can ensure that the resource needed for group communication obtains an equitable breakdown by the technical program, improve quality of service.
The subscriber equipment recorded in the present invention, refers to the communication equipment with data transmission capabilities, includes but not limited to mobile phone terminal, intelligent terminal, wearable device; The base station equipment recorded in the present invention, comprises traditional base station equipment and has the equipment of base station functions, as terminated community (T-SC).
Embodiment of the present invention first aspect provides a kind of method of group communication, and described method is applied to end side, comprising:
Buffer Status Report BSR is sent to base station equipment, described BSR carries at least one group's index, each described group index corresponds to the group id of at least one group at this subscriber equipment place, each described group index or each described group id are mapped in a predefined priority value, to make described base station equipment according to described priority value for different user equipment allocation running time-frequency resources;
Obtain the described running time-frequency resource that described base station equipment is this user equipment allocation;
According to described priority value, it is running time-frequency resource described in the described group allocation at this subscriber equipment place;
Group communication is carried out with other subscriber equipment be assigned in the described group of described running time-frequency resource.
In the first possibility implementation of first aspect, described before base station equipment transmission Buffer Status Report BSR, also comprise:
Judge whether to send running time-frequency resource needed for described BSR, if not, then send dispatch request SR to base station equipment, to make described base station equipment for this user equipment allocation sends needed for described BSR running time-frequency resource.
In conjunction with the possible implementation of first aspect, in the second possibility implementation, the relation mapped between described group index and described priority value, comprising:
Identical described group index-mapping is in same described priority value, and the described group index that wherein the described group of identical services type is corresponding is identical.
The second in conjunction with first aspect and first aspect may implementation, in the third possibility implementation, the relation mapped between described group index and described priority value, pass through broadcast by described base station equipment, or radio resource control RRC information, or non access stratum NAS message notice.
In conjunction with the possible implementation of first aspect, in the 4th kind of possibility implementation, the relation that described group index is corresponding with between described group id, is defined by this subscriber equipment and is reported to described base station equipment by radio control protocols RRC information or non access stratum NAS message.
May implementation in conjunction with first aspect and first aspect the 4th kind, in the 5th kind of possibility implementation, the relation mapped between described group id and described priority value, defines by closing on service function ProseFunction and notifies this subscriber equipment or described base station equipment.
Embodiment of the present invention second aspect provides a kind of method of group communication, and described method is applied to base station side, comprising:
Receive the Buffer Status Report BSR that at least one subscriber equipment sends, described BSR carries at least one group's index, each described group index corresponds to the group id of at least one group at a subscriber equipment place, and each described group index or each described group id are mapped in a predefined priority value;
According to the user equipment allocation running time-frequency resource that described priority value is different, with make subscriber equipment described in each respectively by described time-frequency resource allocating to respective group, and carry out group communication with other subscriber equipment be assigned in the described group of described running time-frequency resource.
In the first possibility implementation of second aspect, before the BSR that at least one subscriber equipment of described reception sends, also comprise:
If receive the dispatch request SR that any one subscriber equipment sends, then for this user equipment allocation sends the running time-frequency resource needed for described BSR.
In conjunction with the possible implementation of second aspect, in the second possibility implementation, the relation mapped between described group index and described priority value, comprising:
Identical described group index-mapping is in same described priority value, and the described group index that wherein the described group of identical services type is corresponding is identical.
The second in conjunction with second aspect and second aspect may implementation, in implementation, before the BSR that at least one subscriber equipment of described reception sends, also may comprise at the third:
By the relation mapped between described group index and described priority value, by broadcast, or RRC information, or non access stratum NAS message notifies subscriber equipment described in each.
In conjunction with the possible implementation of second aspect, in the 4th kind of possibility implementation, the relation that described group index is corresponding with between described group id, is subscriber equipment definition described in each and is reported by radio control protocols RRC information or non access stratum NAS message.
May implementation in conjunction with second aspect and second aspect the 4th kind, in the 5th kind of possibility implementation, the relation mapped between described group id and described priority value defines by closing on service function ProseFunction, and close on service function by described, or the subscriber equipment of specifying, or Mobility Management Entity MME/ home subscriber server HSS notice.
The embodiment of the present invention third aspect provides a kind of subscriber equipment, comprising:
Report sending module, for sending Buffer Status Report BSR to base station equipment, described BSR carries at least one group's index, each described group index corresponds to the group id of at least one group at this subscriber equipment place, each described group index or each described group id are mapped in a predefined priority value, to make described base station equipment according to described priority value for different user equipment allocation running time-frequency resources;
Source obtaining module, for obtaining the described running time-frequency resource that described base station equipment is this user equipment allocation;
Resource distribution module, for according to described priority value, is running time-frequency resource described in the described group allocation at this subscriber equipment place;
Group communication module, for carrying out group communication with other subscriber equipment be assigned in the described group of described running time-frequency resource.
In the first possibility implementation of the third aspect, described subscriber equipment also comprises:
Dispatch request module, sends the running time-frequency resource needed for described BSR for judging whether, if not, then sends dispatch request SR to base station equipment, to make described base station equipment for this user equipment allocation sends needed for described BSR running time-frequency resource.
In conjunction with the possible implementation of the third aspect, in the second possibility implementation, the relation mapped between described group index and described priority value, comprising:
Identical described group index-mapping is in same described priority value, and the described group index that wherein the described group of identical services type is corresponding is identical.
The second in conjunction with the third aspect and the third aspect may implementation, in the third possibility implementation, the relation mapped between described group index and described priority value, pass through broadcast by described base station equipment, or radio resource control RRC information, or non access stratum NAS message notice.
In conjunction with the possible implementation of the third aspect, in the 4th kind of possibility implementation, the relation that described group index is corresponding with between described group id, is defined by this subscriber equipment and is reported to described base station equipment by radio control protocols RRC information or non access stratum NAS message.
May implementation in conjunction with the third aspect and the third aspect the 4th kind, in the 5th kind of possibility implementation, the relation mapped between described group id and described priority value, defines by closing on service function ProseFunction and notifies this subscriber equipment or described base station equipment.
Embodiment of the present invention fourth aspect provides a kind of method of group communication, comprising:
Report receiver module, for receiving the Buffer Status Report BSR that at least one subscriber equipment sends, described BSR carries at least one group's index, each described group index corresponds to the group id of at least one group at a subscriber equipment place, and each described group index or each described group id are mapped in a predefined priority value;
Resource distribution module, for being different user equipment allocation running time-frequency resources according to described priority value, with make subscriber equipment described in each respectively by described time-frequency resource allocating to respective group, and carry out group communication with other subscriber equipment be assigned in the described group of described running time-frequency resource.
In the first possibility implementation of fourth aspect, described base station equipment also comprises:
Dispatching response module, if for receiving the dispatch request SR that any one subscriber equipment sends, then for this user equipment allocation sends the running time-frequency resource needed for described BSR.
In conjunction with the possible implementation of fourth aspect, in the second possibility implementation, the relation mapped between described group index and described priority value, comprising:
Identical described group index-mapping is in same described priority value, and the described group index that wherein the described group of identical services type is corresponding is identical.
The second in conjunction with fourth aspect and fourth aspect may implementation, may in implementation at the third, and described base station equipment also comprises:
Relation notification module, for the relation will mapped between described group index and described priority value, by broadcast, or RRC information, or non access stratum NAS message notifies subscriber equipment described in each.
In conjunction with the possible implementation of fourth aspect, in the 4th kind of possibility implementation, the relation that described group index is corresponding with between described group id, is subscriber equipment definition described in each and is reported by radio control protocols RRC information or non access stratum NAS message.
May implementation in conjunction with fourth aspect and fourth aspect the 4th kind, in the 5th kind of possibility implementation, the relation mapped between described group id and described priority value defines by closing on service function ProseFunction, and close on service function by described, or the subscriber equipment of specifying, or Mobility Management Entity MME/ home subscriber server HSS notice.
The embodiment of the present invention the 5th aspect provides the system of group communication, comprises the subscriber equipment that at least one third aspect provides, and the base station equipment that fourth aspect provides.
In the embodiment of the present invention, subscriber equipment carries at least one group's index in the BSR sent to base station equipment, wherein each group index corresponds to the group id of at least one group at subscriber equipment place, each group index or each group id are mapped in a predefined priority value, to make base station equipment according to BSR and predefined priority value for different user equipment allocation running time-frequency resources, after each subscriber equipment is received as its running time-frequency resource distributed, again according to predefined priority value by the time-frequency resource allocating of getting each group to its place, and then carry out group communication with other subscriber equipment be assigned in the group of running time-frequency resource, thus the resource needed for guarantee group communication obtains an equitable breakdown, running time-frequency resource is avoided to be assigned to the less subscriber equipment of priority value and group too much, improve quality of service.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic flow sheet of the method for a kind of group communication that the embodiment of the present invention provides;
Fig. 2 is the schematic flow sheet of the method for the another kind of group communication that the embodiment of the present invention provides;
Fig. 3 is the schematic flow sheet of the method for another group communication that the embodiment of the present invention provides;
Fig. 4 is the structural representation of a kind of subscriber equipment that the embodiment of the present invention provides;
Fig. 5 is the structural representation of a kind of base station equipment that the embodiment of the present invention provides;
Fig. 6 is the structural representation of the system of a kind of group communication that the embodiment of the present invention provides;
Fig. 7 is the scene schematic diagram of a kind of group communication that the embodiment of the present invention provides.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Should understand, the technical scheme of the embodiment of the present invention can be applied to various communication system, such as: Long Term Evolution (Long Term Evolution, referred to as " LTE ") system, LTE Frequency Division Duplexing (FDD) (FrequencyDivision Duplex, referred to as " FDD ") system, LTE time division duplex (Time Division Duplex, referred to as " TDD "), universal mobile telecommunications system (Universal Mobile TelecommunicationSystem, referred to as " UMTS ") or global interconnection inserting of microwave (Worldwide Interoperability forMicrowave Access, referred to as " WiMAX ") communication system etc.
Will also be understood that, in embodiments of the present invention, subscriber equipment (User Equipment, referred to as " UE ") terminal (Terminal) can be referred to as, travelling carriage (Mobile Station, referred to as " MS ") or mobile terminal (Mobile Terminal) etc., this subscriber equipment can through wireless access network (Radio Access Network, referred to as " RAN ") communicate with one or more core net, such as, subscriber equipment can be mobile phone (or being called " honeycomb " phone) or the computer etc. with mobile terminal, such as, subscriber equipment can also be portable, pocket, hand-hold type, built-in computer or vehicle-mounted mobile device, they and wireless access network switched voice and/or data.Correspondingly, base station equipment can be the evolved base station (Evolutional Node B, referred to as " eNB ") in LTE.
For the ease of understanding, first introduce the scene of the group communication of the lower embodiment of the present invention, refer to Fig. 7, SRC UE represents source UE (namely sending the UE of data) as shown in the figure, DST UE represents object UE (namely receiving the UE of data), and dotted line circle represents group Group, and source UE and object UE carry out group communication by Sidelink Channel in its Group, in addition, can learn from figure that source UE and object UE can be in different Group simultaneously.ENB represents base station equipment as shown in the figure, and source UE need can realize the group communication with the object UE in Group after eNB asks running time-frequency resource.
Fig. 1 is the schematic flow sheet of the method for a kind of group communication in the embodiment of the present invention, and the method is applied to the subscriber equipment in communication system.The flow process of the method for the group communication as shown in the figure in the present embodiment can comprise:
S101, Buffer Status Report BSR is sent to base station equipment, described BSR carries at least one group's index, each described group index corresponds to the group id of at least one group at this subscriber equipment place, each described group index or each described group id are mapped in a predefined priority value, to make described base station equipment according to described priority value for different user equipment allocation running time-frequency resources.
In LTE communication system, Buffer Status Report BSR (Buffer Status Report) is for reporting the buffer requirement amount (Buffer Size) of UE to eNB, namely required running time-frequency resource, in embodiments of the present invention, be particularly useful for eNB report UE place each group Group needed for running time-frequency resource, be each group allocation running time-frequency resource to make eNB, such as: the Group at UE place, source has 3, Group1, the required respectively running time-frequency resource of Group2 and Group3 is a, b and c, so after source UE sends BSR to eNB, eNB distributes the running time-frequency resource of a+b+c to source UE, it is assigned to Group1 by source UE more respectively, Group2 and Group3.
The embodiment of the present invention, in order to ensure that the running time-frequency resource needed for group communication obtains an equitable breakdown, by eNB management and control or the mode of closing on service function Prose Function management and control, is assigned to the higher group of priority limited running time-frequency resource as far as possible.
1. eNB management and control mode.
Particularly, subscriber equipment (source UE) sends BSR to base station equipment, described BSR carries at least one group's index, each described group index corresponds to the group id of at least one group at this subscriber equipment place, and each described group index-mapping is in a predefined priority value.Wherein, group's index is the information in the group index field in BSR, group id can unique identification group, and can be regarded as and distinguished by the group index field in BSR by different Group, each group index is mapped in a predefined priority value.Such as: the group at UE place, source has 3, the group id of group1, group2 and group3 is g1, g2 and g3, and group's index of its correspondence is Gi1, Gi2 and Gi3, predefine priority value Gi1=5, Gi2=3, Gi3=1.
Correspondingly, base station equipment receives the BSR that at least one subscriber equipment sends, and is different user equipment allocation running time-frequency resources according to priority value.Such as: eNB receives the BSR that 2 source UE send, group's index that the BSR that source UE1 sends carries has Gi1, Gi2 and Gi3, group's index that the BSR that source UE2 sends carries has Gi4 and Gi5, predefined priority value Gi1=5, Gi2=3, Gi3=1, Gi4=2, Gi5=4, and group1, group2, group3, the required respectively running time-frequency resource of group4 and group5 is a, if eNB has the running time-frequency resource of a+a+a for distributing, so according to the order that priority value is ascending, eNB is Gi1, Gi2, Gi3, the running time-frequency resource that Gi4 and Gi5 distributes is 0 respectively, a, a, a, 0, and then known eNB be the running time-frequency resource that source UE1 and source UE2 distribute respectively is a+a and a.
2. service function Prose Function management and control mode is closed on.
Particularly, subscriber equipment (source UE) sends BSR to base station equipment, described BSR carries at least one group's index, each described group index corresponds to the group id of at least one group at this subscriber equipment place, different group id distinguished by the group index field in BSR, each group id is mapped in a predefined priority value.Such as: the group at UE place, source has 3, the group id of group1, group2 and group3 is g1, g2 and g3, and group's index of its correspondence is Gi1, Gi2 and Gi3, predefine priority value g1=5, g2=3, g3=1.
Correspondingly, base station equipment receives the BSR that at least one subscriber equipment sends, and is different user equipment allocation running time-frequency resources according to priority value.Such as: eNB receives the BSR that 2 source UE send, group's index that the BSR that source UE1 sends carries has Gi1, Gi2 and Gi3, group's index that the BSR that source UE2 sends carries has Gi4 and Gi5, Gi1, Gi2, Gi, the group id that Gi4 and Gi5 is corresponding is respectively g1, g2, g3, g4 and g5, predefined priority value g1=5, g2=3, g3=1, g4=2, g5=4, and group1, group2, group3, the required respectively running time-frequency resource of group4 and group5 is a, if eNB has the running time-frequency resource of a+a+a for distributing, so according to the order that priority value is ascending, eNB is g1, g2, g3, the running time-frequency resource that g4 and g5 distributes is 0 respectively, a, a, a, 0, and then known eNB be the running time-frequency resource that source UE1 and source UE2 distribute respectively is a+a and a.
S102, obtains the described running time-frequency resource that described base station equipment is this user equipment allocation.
Particularly, subscriber equipment (source UE) is by monitoring Physical Downlink Control Channel (Physical DownlinkControl Channel, PDCCH), or enhancement mode Physical Downlink Control Channel (Enhanced PhysicalDownlink Control Channel, ePDCCH), the summation that base station equipment is the running time-frequency resource of all group distribution at its place is obtained.
S103, according to described priority value, is running time-frequency resource described in the described group allocation at this subscriber equipment place.
Such as: suppose that the group at subscriber equipment (source UE) place has 3, group1, the group id of group2 and group3 is g1, g2 and g3, group's index of its correspondence is Gi1, Gi2 and Gi3, predefine priority value Gi1=5, Gi2=3, Gi3=1, or predefine priority value g1=5, g2=3, g3=1, group1, the required respectively running time-frequency resource of group2 and group3 is a, eNB is that the running time-frequency resource that it distributes only has a+a altogether, so according to the order that priority value is ascending, subscriber equipment is group1, the running time-frequency resource that group2 and group3 distributes is 0, a, a.
S104, carries out group communication with other subscriber equipment be assigned in the described group of described running time-frequency resource.
Such as: suppose that running time-frequency resource that group1, group2 and group3 distribute is 0, a, a, the object UE so in UE and the group2 of source, and the object UE in group3 carries out group communication.
In the embodiment of the present invention, subscriber equipment carries at least one group's index in the BSR sent to base station equipment, wherein each group index corresponds to the group id of at least one group at subscriber equipment place, each group index or each group id are mapped in a predefined priority value, to make base station equipment according to BSR and predefined priority value for different user equipment allocation running time-frequency resources, after each subscriber equipment is received as its running time-frequency resource distributed, again according to predefined priority value by the time-frequency resource allocating of getting each group to its place, and then carry out group communication with other subscriber equipment be assigned in the group of running time-frequency resource, thus the resource needed for guarantee group communication obtains an equitable breakdown, running time-frequency resource is avoided to be assigned to the less subscriber equipment of priority value and group too much, improve quality of service.
Fig. 2 is the schematic flow sheet of the method for another kind of group communication in the embodiment of the present invention, specifically describes based on the group communication method under the mode of eNB management and control, and the method is applied to subscriber equipment in communication system and base station equipment.Can comprise:
S201, the relation that base station equipment will map between group's index and priority value, by broadcast, or radio control protocols RRC information, or non access stratum NAS message notifies each subscriber equipment.
Wherein the English full name of RRC is the English full name of Radio Resource Control, NAS is Non-Access Stratum.Described priority value is predefined, can be base station equipment definition, also can be that designer defines, be not construed as limiting here.
S202, subscriber equipment judges whether to send the running time-frequency resource needed for BSR.
Particularly, subscriber equipment (source UE) judge current whether have send running time-frequency resource needed for BSR, if do not have, then perform step S203, if having, then perform step S205.
S203, subscriber equipment sends dispatch request SR to base station equipment.
Wherein the English full name of SR is Scheduling Request.Particularly, subscriber equipment (source UE) sends dispatch request SR with request dispatching running time-frequency resource to base station equipment.
S204, if base station equipment receives the dispatch request SR that any one subscriber equipment sends, then for this user equipment allocation sends the running time-frequency resource needed for described BSR.
S205, subscriber equipment sends Buffer Status Report BSR to base station equipment, described BSR carries at least one group's index, each described group index corresponds to the group id of at least one group at this subscriber equipment place, and each described group index-mapping is in a predefined priority value.
Particularly, subscriber equipment (source UE) sends BSR to base station equipment, described BSR carries at least one group's index, each described group index corresponds to the group id of at least one group at this subscriber equipment place, and each described group index-mapping is in a predefined priority value.Wherein, group's index is the information in the group index field in BSR, group id can unique identification group, and can be regarded as and distinguished by the group index field in BSR by different Group, each group index is mapped in a predefined priority value.Such as: the group at UE place, source has 3, the group id of group1, group2 and group3 is g1, g2 and g3, and group's index of its correspondence is Gi1, Gi2 and Gi3, predefine priority value Gi1=5, Gi2=3, Gi3=1.
Alternatively, identical group's index-mapping is in same priority value, and group's index that wherein group of identical services type is corresponding is identical.Can be regarded as, group identical for type of service is grouped into same group index by source UE.
S206, base station equipment receives the Buffer Status Report BSR that at least one subscriber equipment sends.
S207, base station equipment is different user equipment allocation running time-frequency resources according to described priority value.
Such as: eNB receives the BSR that 2 source UE send, group's index that the BSR that source UE1 sends carries has Gi1, Gi2 and Gi3, group's index that the BSR that source UE2 sends carries has Gi4 and Gi5, predefined priority value Gi1=5, Gi2=3, Gi3=1, Gi4=2, Gi5=4, and group1, group2, group3, the required respectively running time-frequency resource of group4 and group5 is a, if eNB has the running time-frequency resource of a+a+a for distributing, so according to the order that priority value is ascending, eNB is Gi1, Gi2, Gi3, the running time-frequency resource that Gi4 and Gi5 distributes is 0 respectively, a, a, a, 0, and then known eNB be the running time-frequency resource that source UE1 and source UE2 distribute respectively is a+a and a.
S208, subscriber equipment obtains the described running time-frequency resource that described base station equipment is this user equipment allocation.
Particularly, subscriber equipment (source UE) is by monitoring Physical Downlink Control Channel (Physical DownlinkControl Channel, PDCCH), or enhancement mode Physical Downlink Control Channel (Enhanced PhysicalDownlink Control Channel, ePDCCH), the summation that base station equipment is the running time-frequency resource of all group distribution at its place is obtained.
S209, subscriber equipment, according to described priority value, is running time-frequency resource described in the described group allocation at this subscriber equipment place.
Such as: suppose that the group at subscriber equipment (source UE) place has 3, the group id of group1, group2 and group3 is g1, g2 and g3, group's index of its correspondence is Gi1, Gi2 and Gi3, predefine priority value Gi1=5, Gi2=3, Gi3=1, the required respectively running time-frequency resource of group1, group2 and group3 is a, eNB is that the running time-frequency resource that it distributes only has a+a altogether, so according to the order that priority value is ascending, subscriber equipment is that the running time-frequency resource that group1, group2 and group3 distribute is 0, a, a.
S210, subscriber equipment and other subscriber equipment be assigned in the described group of described running time-frequency resource carry out group communication.
Such as: suppose that running time-frequency resource that group1, group2 and group3 distribute is 0, a, a, the object UE so in UE and the group2 of source, and the object UE in group3 carries out group communication.
In the embodiment of the present invention, subscriber equipment carries at least one group's index in the BSR sent to base station equipment, wherein each group index corresponds to the group id of at least one group at subscriber equipment place, each group index-mapping is in a predefined priority value, to make base station equipment according to BSR and predefined priority value for different user equipment allocation running time-frequency resources, after each subscriber equipment is received as its running time-frequency resource distributed, again according to predefined priority value by the time-frequency resource allocating of getting each group to its place, and then carry out group communication with other subscriber equipment be assigned in the group of running time-frequency resource, thus the resource needed for guarantee group communication obtains an equitable breakdown, running time-frequency resource is avoided to be assigned to the less subscriber equipment of priority value and group too much, improve quality of service.
Fig. 3 is the schematic flow sheet of the method for another group communication in the embodiment of the present invention, specifically describe based on the group communication method under the mode of Prose Function management and control, the method is applied to subscriber equipment in communication system and base station equipment, can comprise:
S301, the relation that subscriber equipment definition group index is corresponding with between group id, and be reported to base station equipment by radio control protocols RRC information or non access stratum NAS message.
Wherein the English full name of RRC is the English full name of Radio Resource Control, NAS is Non-Access Stratum.
In addition, the relation mapped between group id and priority value, defines by closing on service function ProseFunction and notifies this subscriber equipment or described base station equipment.
Correspondingly, eNB is except obtaining the relation that maps between group id and priority value by predefined interface from Prose Function, still by obtaining to Prose Function with the relevant interface of Mobility Management Entity MME (MobilityManagement Entity)/home subscriber server HSS (Home Subscriber Server), can also can obtain from the RRC information that source UE (requiring that source UE first obtains from the relevant interface of Prose Function rear) sends.
S302, subscriber equipment judges whether to send the running time-frequency resource needed for BSR.
Particularly, subscriber equipment (source UE) judge current whether have send running time-frequency resource needed for BSR, if do not have, then perform step S303, if having, then perform step S305.
S303, subscriber equipment sends dispatch request SR to base station equipment.
Wherein the English full name of SR is Scheduling Request.Particularly, subscriber equipment (source UE) sends dispatch request SR with request dispatching running time-frequency resource to base station equipment.
S304, if base station equipment receives the dispatch request SR that any one subscriber equipment sends, then for this user equipment allocation sends the running time-frequency resource needed for described BSR.
S305, subscriber equipment sends Buffer Status Report BSR to base station equipment, described BSR carries at least one group's index, each described group index corresponds to the group id of at least one group at this subscriber equipment place, and each described group id is mapped in a predefined priority value.
Particularly, subscriber equipment (source UE) sends BSR to base station equipment, described BSR carries at least one group's index, each described group index corresponds to the group id of at least one group at this subscriber equipment place, different group id distinguished by the group index field in BSR, each group id is mapped in a predefined priority value.Such as: the group at UE place, source has 3, the group id of group1, group2 and group3 is g1, g2 and g3, and group's index of its correspondence is Gi1, Gi2 and Gi3, predefine priority value g1=5, g2=3, g3=1.
S306, base station equipment receives the Buffer Status Report BSR that at least one subscriber equipment sends.
S307, base station equipment is different user equipment allocation running time-frequency resources according to described priority value.
Such as: eNB receives the BSR that 2 source UE send, group's index that the BSR that source UE1 sends carries has Gi1, Gi2 and Gi3, group's index that the BSR that source UE2 sends carries has Gi4 and Gi5, Gi1, Gi2, Gi, the group id that Gi4 and Gi5 is corresponding is respectively g1, g2, g3, g4 and g5, predefined priority value g1=5, g2=3, g3=1, g4=2, g5=4, and group1, group2, group3, the required respectively running time-frequency resource of group4 and group5 is a, if eNB has the running time-frequency resource of a+a+a for distributing, so according to the order that priority value is ascending, eNB is g1, g2, g3, the running time-frequency resource that g4 and g5 distributes is 0 respectively, a, a, a, 0, and then known eNB be the running time-frequency resource that source UE1 and source UE2 distribute respectively is a+a and a.
S308, subscriber equipment obtains the described running time-frequency resource that described base station equipment is this user equipment allocation.
Particularly, subscriber equipment (source UE) is by monitoring Physical Downlink Control Channel (Physical DownlinkControl Channel, PDCCH), or enhancement mode Physical Downlink Control Channel (Enhanced PhysicalDownlink Control Channel, ePDCCH), the summation that base station equipment is the running time-frequency resource of all group distribution at its place is obtained.
S309, subscriber equipment, according to described priority value, is running time-frequency resource described in the described group allocation at this subscriber equipment place.
Such as: suppose that the group at subscriber equipment (source UE) place has 3, the group id of group1, group2 and group3 is g1, g2 and g3, group's index of its correspondence is Gi1, Gi2 and Gi3, predefine priority value g1=5, g2=3, g3=1, the required respectively running time-frequency resource of group1, group2 and group3 is a, eNB is that the running time-frequency resource that it distributes only has a+a altogether, so according to the order that priority value is ascending, subscriber equipment is that the running time-frequency resource that group1, group2 and group3 distribute is 0, a, a.
S310, subscriber equipment and other subscriber equipment be assigned in the described group of described running time-frequency resource carry out group communication.
Such as: suppose that running time-frequency resource that group1, group2 and group3 distribute is 0, a, a, the object UE so in UE and the group2 of source, and the object UE in group3 carries out group communication.
In the embodiment of the present invention, subscriber equipment carries at least one group's index in the BSR sent to base station equipment, wherein each group index corresponds to the group id of at least one group at subscriber equipment place, each group id is mapped in a predefined priority value, to make base station equipment according to BSR and predefined priority value for different user equipment allocation running time-frequency resources, after each subscriber equipment is received as its running time-frequency resource distributed, again according to predefined priority value by the time-frequency resource allocating of getting each group to its place, and then carry out group communication with other subscriber equipment be assigned in the group of running time-frequency resource, thus the resource needed for guarantee group communication obtains an equitable breakdown, running time-frequency resource is avoided to be assigned to the less subscriber equipment of priority value and group too much, improve quality of service.
Fig. 4 is the structural representation of a kind of subscriber equipment in the embodiment of the present invention.Subscriber equipment as shown in the figure in the embodiment of the present invention at least can comprise report sending module 410, source obtaining module 420, resource distribution module 430 and group communication module 440, wherein:
Report sending module 410, for sending Buffer Status Report BSR to base station equipment, described BSR carries at least one group's index, each described group index corresponds to the group id of at least one group at this subscriber equipment place, each described group index or each described group id are mapped in a predefined priority value, to make described base station equipment according to described priority value for different user equipment allocation running time-frequency resources.
In LTE communication system, Buffer Status Report BSR (Buffer Status Report) is for reporting the buffer requirement amount (Buffer Size) of UE to eNB, namely required running time-frequency resource, in embodiments of the present invention, be particularly useful for eNB report UE place each group Group needed for running time-frequency resource, be each group allocation running time-frequency resource to make eNB, such as: the Group at UE place, source has 3, Group1, the required respectively running time-frequency resource of Group2 and Group3 is a, b and c, so after source UE sends BSR to eNB, eNB distributes the running time-frequency resource of a+b+c to source UE, it is assigned to Group1 by source UE more respectively, Group2 and Group3.
The embodiment of the present invention, in order to ensure that the running time-frequency resource needed for group communication obtains an equitable breakdown, by eNB management and control or the mode of closing on service function Prose Function management and control, is assigned to the higher group of priority limited running time-frequency resource as far as possible.
1. eNB management and control mode.
Particularly, report sending module 410 sends BSR to base station equipment, described BSR carries at least one group's index, and each described group index corresponds to the group id of at least one group at this subscriber equipment place, and each described group index-mapping is in a predefined priority value.Wherein, group's index is the information in the group index field in BSR, group id can unique identification group, and can be regarded as and distinguished by the group index field in BSR by different Group, each group index is mapped in a predefined priority value.Such as: the group at UE place, source has 3, the group id of group1, group2 and group3 is g1, g2 and g3, and group's index of its correspondence is Gi1, Gi2 and Gi3, predefine priority value Gi1=5, Gi2=3, Gi3=1.
Correspondingly, base station equipment receives the BSR that at least one subscriber equipment sends, and is different user equipment allocation running time-frequency resources according to priority value.Such as: eNB receives the BSR that 2 source UE send, group's index that the BSR that source UE1 sends carries has Gi1, Gi2 and Gi3, group's index that the BSR that source UE2 sends carries has Gi4 and Gi5, predefined priority value Gi1=5, Gi2=3, Gi3=1, Gi4=2, Gi5=4, and group1, group2, group3, the required respectively running time-frequency resource of group4 and group5 is a, if eNB has the running time-frequency resource of a+a+a for distributing, so according to the order that priority value is ascending, eNB is Gi1, Gi2, Gi3, the running time-frequency resource that Gi4 and Gi5 distributes is 0 respectively, a, a, a, 0, and then known eNB be the running time-frequency resource that source UE1 and source UE2 distribute respectively is a+a and a.
2. service function Prose Function management and control mode is closed on.
Particularly, report sending module 410 sends BSR to base station equipment, described BSR carries at least one group's index, each described group index corresponds to the group id of at least one group at this subscriber equipment place, different group id distinguished by the group index field in BSR, each group id is mapped in a predefined priority value.Such as: the group at UE place, source has 3, the group id of group1, group2 and group3 is g1, g2 and g3, and group's index of its correspondence is Gi1, Gi2 and Gi3, predefine priority value g1=5, g2=3, g3=1.
Correspondingly, base station equipment receives the BSR that at least one subscriber equipment sends, and is different user equipment allocation running time-frequency resources according to priority value.Such as: eNB receives the BSR that 2 source UE send, group's index that the BSR that source UE1 sends carries has Gi1, Gi2 and Gi3, group's index that the BSR that source UE2 sends carries has Gi4 and Gi5, Gi1, Gi2, Gi, the group id that Gi4 and Gi5 is corresponding is respectively g1, g2, g3, g4 and g5, predefined priority value g1=5, g2=3, g3=1, g4=2, g5=4, and group1, group2, group3, the required respectively running time-frequency resource of group4 and group5 is a, if eNB has the running time-frequency resource of a+a+a for distributing, so according to the order that priority value is ascending, eNB is g1, g2, g3, the running time-frequency resource that g4 and g5 distributes is 0 respectively, a, a, a, 0, and then known eNB be the running time-frequency resource that source UE1 and source UE2 distribute respectively is a+a and a.
Source obtaining module 420, for obtaining the described running time-frequency resource that described base station equipment is this user equipment allocation.
Particularly, source obtaining module 420 is by monitoring Physical Downlink Control Channel (Physical DownlinkControl Channel, PDCCH), or enhancement mode Physical Downlink Control Channel (Enhanced PhysicalDownlink Control Channel, ePDCCH), the summation that base station equipment is the running time-frequency resource of all group distribution at its place is obtained.
Resource distribution module 430, for according to described priority value, is running time-frequency resource described in the described group allocation at this subscriber equipment place.
Such as: suppose that the group at subscriber equipment (source UE) place has 3, group1, the group id of group2 and group3 is g1, g2 and g3, group's index of its correspondence is Gi1, Gi2 and Gi3, predefine priority value Gi1=5, Gi2=3, Gi3=1, or predefine priority value g1=5, g2=3, g3=1, group1, the required respectively running time-frequency resource of group2 and group3 is a, eNB is that the running time-frequency resource that it distributes only has a+a altogether, so according to the order that priority value is ascending, resource distribution module 430 is group1, the running time-frequency resource that group2 and group3 distributes is 0, a, a.
Group communication module 440, for carrying out group communication with other subscriber equipment be assigned in the described group of described running time-frequency resource.
Such as: suppose that running time-frequency resource that group1, group2 and group3 distribute is 0, a, a, so group communication module 440 and the object UE in group2, and the object UE in group3 carries out group communication.
Alternatively, refer to Fig. 4, subscriber equipment as shown in the figure in the embodiment of the present invention can also comprise dispatch request module 450, the running time-frequency resource needed for described BSR is sent for judging whether, if not, then send dispatch request SR to base station equipment, to make described base station equipment for this user equipment allocation sends needed for described BSR running time-frequency resource.
Fig. 5 is the structural representation of a kind of base station equipment in the embodiment of the present invention.Base station equipment as shown in the figure in the embodiment of the present invention at least can comprise report receiver module 510 and resource distribution module 520, wherein:
Report receiver module 510, for receiving the Buffer Status Report BSR that at least one subscriber equipment sends, described BSR carries at least one group's index, each described group index corresponds to the group id of at least one group at a subscriber equipment place, and each described group index or each described group id are mapped in a predefined priority value.
In LTE communication system, Buffer Status Report BSR (Buffer Status Report) is for reporting the buffer requirement amount (Buffer Size) of UE to eNB, namely required running time-frequency resource, in embodiments of the present invention, be particularly useful for eNB report UE place each group Group needed for running time-frequency resource, be each group allocation running time-frequency resource to make eNB, such as: the Group at UE place, source has 3, Group1, the required respectively running time-frequency resource of Group2 and Group3 is a, b and c, so after source UE sends BSR to eNB, eNB distributes the running time-frequency resource of a+b+c to source UE, it is assigned to Group1 by source UE more respectively, Group2 and Group3.
The embodiment of the present invention, in order to ensure that the running time-frequency resource needed for group communication obtains an equitable breakdown, by eNB management and control or the mode of closing on service function Prose Function management and control, is assigned to the higher group of priority limited running time-frequency resource as far as possible.
1. eNB management and control mode.
Subscriber equipment (source UE) sends BSR to base station equipment, described BSR carries at least one group's index, each described group index corresponds to the group id of at least one group at this subscriber equipment place, and each described group index-mapping is in a predefined priority value.Wherein, group's index is the information in the group index field in BSR, group id can unique identification group, and can be regarded as and distinguished by the group index field in BSR by different Group, each group index is mapped in a predefined priority value.Such as: the group at UE place, source has 3, the group id of group1, group2 and group3 is g1, g2 and g3, and group's index of its correspondence is Gi1, Gi2 and Gi3, predefine priority value Gi1=5, Gi2=3, Gi3=1.Particularly, report that receiver module 510 receives the BSR of at least one subscriber equipment transmission.
2. service function Prose Function management and control mode is closed on.
Subscriber equipment (source UE) sends BSR to base station equipment, described BSR carries at least one group's index, each described group index corresponds to the group id of at least one group at this subscriber equipment place, different group id distinguished by the group index field in BSR, each group id is mapped in a predefined priority value.Such as: the group at UE place, source has 3, the group id of group1, group2 and group3 is g1, g2 and g3, and group's index of its correspondence is Gi1, Gi2 and Gi3, predefine priority value g1=5, g2=3, g3=1.Particularly, report that receiver module 510 receives the BSR of at least one subscriber equipment transmission.
Resource distribution module 520, for being different user equipment allocation running time-frequency resources according to described priority value, with make subscriber equipment described in each respectively by described time-frequency resource allocating to respective group, and carry out group communication with other subscriber equipment be assigned in the described group of described running time-frequency resource.
1. eNB management and control mode.
Such as: report receiver module 510 receives the BSR that 2 source UE send, group's index that the BSR that source UE1 sends carries has Gi1, Gi2 and Gi3, group's index that the BSR that source UE2 sends carries has Gi4 and Gi5, predefined priority value Gi1=5, Gi2=3, Gi3=1, Gi4=2, Gi5=4, and group1, group2, group3, the required respectively running time-frequency resource of group4 and group5 is a, if eNB has the running time-frequency resource of a+a+a for distributing, so according to the order that priority value is ascending, resource distribution module 520 is Gi1, Gi2, Gi3, the running time-frequency resource that Gi4 and Gi5 distributes is 0 respectively, a, a, a, 0, and then known resource distribution module 520 be the running time-frequency resource that source UE1 and source UE2 distribute respectively is a+a and a.
2. service function Prose Function management and control mode is closed on.
Such as: report receiver module 510 receives the BSR that 2 source UE send, group's index that the BSR that source UE1 sends carries has Gi1, Gi2 and Gi3, group's index that the BSR that source UE2 sends carries has Gi4 and Gi5, Gi1, Gi2, Gi, the group id that Gi4 and Gi5 is corresponding is respectively g1, g2, g3, g4 and g5, predefined priority value g1=5, g2=3, g3=1, g4=2, g5=4, and group1, group2, group3, the required respectively running time-frequency resource of group4 and group5 is a, if eNB has the running time-frequency resource of a+a+a for distributing, so according to the order that priority value is ascending, resource distribution module 520 is g1, g2, g3, the running time-frequency resource that g4 and g5 distributes is 0 respectively, a, a, a, 0, and then known resource distribution module 520 be the running time-frequency resource that source UE1 and source UE2 distribute respectively is a+a and a.
Further, subscriber equipment (source UE) is by monitoring Physical Downlink Control Channel (Physical DownlinkControl Channel, PDCCH), or enhancement mode Physical Downlink Control Channel (Enhanced PhysicalDownlink Control Channel, ePDCCH), obtain the summation that base station equipment is the running time-frequency resource of all group distribution at its place, and then according to described priority value, be running time-frequency resource described in the described group allocation at this subscriber equipment place.Such as: suppose that the group at subscriber equipment (source UE) place has 3, group1, the group id of group2 and group3 is g1, g2 and g3, group's index of its correspondence is Gi1, Gi2 and Gi3, predefine priority value Gi1=5, Gi2=3, Gi3=1, or predefine priority value g1=5, g2=3, g3=1, group1, the required respectively running time-frequency resource of group2 and group3 is a, eNB is that the running time-frequency resource that it distributes only has a+a altogether, so according to the order that priority value is ascending, subscriber equipment is group1, the running time-frequency resource that group2 and group3 distributes is 0, a, a.
Further, subscriber equipment and other subscriber equipment be assigned in the described group of described running time-frequency resource carry out group communication.Such as: suppose that running time-frequency resource that group1, group2 and group3 distribute is 0, a, a, the object UE so in UE and the group2 of source, and the object UE in group3 carries out group communication.
Alternatively, refer to Fig. 5, base station equipment as shown in the figure in the embodiment of the present invention can also comprise dispatch request module 530, if for receiving the dispatch request SR that any one subscriber equipment sends, then for this user equipment allocation sends the running time-frequency resource needed for described BSR.
Again alternatively, refer to Fig. 5, base station equipment as shown in the figure in the embodiment of the present invention can also comprise relation notification module 540, for the relation will mapped between described group index and described priority value, pass through broadcast, or RRC information, or non access stratum NAS message notifies subscriber equipment described in each.
Fig. 6 is the structural representation of the system of a kind of group communication in the embodiment of the present invention.The system of the group communication as shown in the figure in the embodiment of the present invention can comprise at least one subscriber equipment 610 and base station equipment 620, wherein:
Described subscriber equipment 610 is as subscriber equipment described in conjunction with Figure 4 above, for sending Buffer Status Report BSR to base station equipment 620, described BSR carries at least one group's index, each group index corresponds to the group id of at least one group at subscriber equipment 610 place, and each group index or each group id are mapped in a predefined priority value; Obtaining base station equipment 620 is the running time-frequency resource that subscriber equipment 610 distributes; According to priority value, it is the group allocation running time-frequency resource at subscriber equipment 610 place; Group communication is carried out with other subscriber equipment be assigned in the group of running time-frequency resource.
Described base station equipment 620 is as base station equipment described in conjunction with Figure 5 above, for receiving the Buffer Status Report BSR that at least one subscriber equipment 610 sends; Be that different subscriber equipmenies 610 distributes running time-frequency resource according to priority value.
In the embodiment of the present invention, subscriber equipment carries at least one group's index in the BSR sent to base station equipment, wherein each group index corresponds to the group id of at least one group at subscriber equipment place, each group index or each group id are mapped in a predefined priority value, to make base station equipment according to BSR and predefined priority value for different user equipment allocation running time-frequency resources, after each subscriber equipment is received as its running time-frequency resource distributed, again according to predefined priority value by the time-frequency resource allocating of getting each group to its place, and then carry out group communication with other subscriber equipment be assigned in the group of running time-frequency resource, thus the resource needed for guarantee group communication obtains an equitable breakdown, running time-frequency resource is avoided to be assigned to the less subscriber equipment of priority value and group too much, improve quality of service.
One of ordinary skill in the art will appreciate that all or part of flow process realized in above-described embodiment method, that the hardware that can carry out instruction relevant by computer program has come, described program can be stored in a computer read/write memory medium, this program, when performing, can comprise the flow process of the embodiment as above-mentioned each side method.Wherein, described storage medium can be magnetic disc, CD, read-only store-memory body (Read-Only Memory, ROM) or random store-memory body (Random Access Memory, RAM) etc.
Step in embodiment of the present invention method can be carried out order according to actual needs and be adjusted, merges and delete.
Module in embodiment of the present invention device, can carry out merging, divide and deleting according to actual needs.
Module described in the embodiment of the present invention, universal integrated circuit can be passed through, such as CPU (CentralProcessing Unit, central processing unit), or realized by ASIC (Application Specific IntegratedCircuit, application-specific integrated circuit (ASIC)).
Above disclosedly be only present pre-ferred embodiments, certainly can not limit the interest field of the present invention with this, therefore according to the equivalent variations that the claims in the present invention are done, still belong to the scope that the present invention is contained.

Claims (25)

1. a method for group communication, is characterized in that, described method is applied to end side, and described method comprises:
Buffer Status Report BSR is sent to base station equipment, described BSR carries at least one group's index, each described group index corresponds to the group id of at least one group at this subscriber equipment place, each described group index or each described group id are mapped in a predefined priority value, to make described base station equipment according to described priority value for different user equipment allocation running time-frequency resources;
Obtain the described running time-frequency resource that described base station equipment is this user equipment allocation;
According to described priority value, it is running time-frequency resource described in the described group allocation at this subscriber equipment place;
Group communication is carried out with other subscriber equipment be assigned in the described group of described running time-frequency resource.
2. the method for claim 1, is characterized in that, described before base station equipment transmission Buffer Status Report BSR, also comprises:
Judge whether to send running time-frequency resource needed for described BSR, if not, then send dispatch request SR to base station equipment, to make described base station equipment for this user equipment allocation sends needed for described BSR running time-frequency resource.
3. the method for claim 1, is characterized in that, the relation mapped between described group index and described priority value, comprising:
Identical described group index-mapping is in same described priority value, and the described group index that wherein the described group of identical services type is corresponding is identical.
4. method as claimed in claim 3, it is characterized in that, the relation mapped between described group index and described priority value, is by described base station equipment by broadcast, or radio resource control RRC information, or non access stratum NAS message notice.
5. the method for claim 1, it is characterized in that, the relation that described group index is corresponding with between described group id, is defined by this subscriber equipment and is reported to described base station equipment by radio control protocols RRC information or non access stratum NAS message.
6. method as claimed in claim 5, is characterized in that, the relation mapped between described group id and described priority value, defines by closing on service function Prose Function and notify this subscriber equipment or described base station equipment.
7. a method for group communication, is characterized in that, described method is applied to base station side, and described method comprises:
Receive the Buffer Status Report BSR that at least one subscriber equipment sends, described BSR carries at least one group's index, each described group index corresponds to the group id of at least one group at a subscriber equipment place, and each described group index or each described group id are mapped in a predefined priority value;
According to the user equipment allocation running time-frequency resource that described priority value is different, with make subscriber equipment described in each respectively by described time-frequency resource allocating to respective group, and carry out group communication with other subscriber equipment be assigned in the described group of described running time-frequency resource.
8. method as claimed in claim 7, is characterized in that, before the BSR that at least one subscriber equipment of described reception sends, also comprises:
If receive the dispatch request SR that any one subscriber equipment sends, then for this user equipment allocation sends the running time-frequency resource needed for described BSR.
9. method as claimed in claim 7, it is characterized in that, the relation mapped between described group index and described priority value, comprising:
Identical described group index-mapping is in same described priority value, and the described group index that wherein the described group of identical services type is corresponding is identical.
10. method as claimed in claim 9, is characterized in that, before the BSR that at least one subscriber equipment of described reception sends, also comprises:
By the relation mapped between described group index and described priority value, by broadcast, or radio control protocols RRC information, or non access stratum NAS message notifies subscriber equipment described in each.
11. methods as claimed in claim 7, is characterized in that, the relation that described group index is corresponding with between described group id, are subscriber equipment definition described in each and are reported by radio control protocols RRC information or non access stratum NAS message.
12. methods as claimed in claim 11, it is characterized in that, the relation mapped between described group id and described priority value defines by closing on service function Prose Function, and close on service function by described, or the subscriber equipment of specifying, or Mobility Management Entity MME/ home subscriber server HSS notice.
13. 1 kinds of subscriber equipmenies, is characterized in that, described subscriber equipment comprises:
Report sending module, for sending Buffer Status Report BSR to base station equipment, described BSR carries at least one group's index, each described group index corresponds to the group id of at least one group at this subscriber equipment place, each described group index or each described group id are mapped in a predefined priority value, to make described base station equipment according to described priority value for different user equipment allocation running time-frequency resources;
Source obtaining module, for obtaining the described running time-frequency resource that described base station equipment is this user equipment allocation;
Resource distribution module, for according to described priority value, is running time-frequency resource described in the described group allocation at this subscriber equipment place;
Group communication module, for carrying out group communication with other subscriber equipment be assigned in the described group of described running time-frequency resource.
14. subscriber equipmenies as claimed in claim 13, it is characterized in that, described subscriber equipment also comprises:
Dispatch request module, sends the running time-frequency resource needed for described BSR for judging whether, if not, then sends dispatch request SR to base station equipment, to make described base station equipment for this user equipment allocation sends needed for described BSR running time-frequency resource.
15. subscriber equipmenies as claimed in claim 13, it is characterized in that, the relation mapped between described group index and described priority value, comprising:
Identical described group index-mapping is in same described priority value, and the described group index that wherein the described group of identical services type is corresponding is identical.
16. subscriber equipmenies as claimed in claim 15, it is characterized in that, the relation mapped between described group index and described priority value, is pass through broadcast by described base station equipment, or radio resource control RRC information, or non access stratum NAS message notice.
17. subscriber equipmenies as claimed in claim 13, it is characterized in that, the relation that described group index is corresponding with between described group id, is defined by this subscriber equipment and is reported to described base station equipment by radio control protocols RRC information or non access stratum NAS message.
18. subscriber equipmenies as claimed in claim 17, is characterized in that, the relation mapped between described group id and described priority value, define by closing on service function Prose Function and notify this subscriber equipment or described base station equipment.
19. 1 kinds of base station equipments, is characterized in that, described base station equipment comprises:
Report receiver module, for receiving the Buffer Status Report BSR that at least one subscriber equipment sends, described BSR carries at least one group's index, each described group index corresponds to the group id of at least one group at a subscriber equipment place, and each described group index or each described group id are mapped in a predefined priority value;
Resource distribution module, for being different user equipment allocation running time-frequency resources according to described priority value, with make subscriber equipment described in each respectively by described time-frequency resource allocating to respective group, and carry out group communication with other subscriber equipment be assigned in the described group of described running time-frequency resource.
20. base station equipments as claimed in claim 19, it is characterized in that, described base station equipment also comprises:
Dispatching response module, if for receiving the dispatch request SR that any one subscriber equipment sends, then for this user equipment allocation sends the running time-frequency resource needed for described BSR.
21. base station equipments as claimed in claim 19, it is characterized in that, the relation mapped between described group index and described priority value, comprising:
Identical described group index-mapping is in same described priority value, and the described group index that wherein the described group of identical services type is corresponding is identical.
22. base station equipments as claimed in claim 21, it is characterized in that, described base station equipment also comprises:
Relation notification module, for the relation will mapped between described group index and described priority value, by broadcast, or radio control protocols RRC information, or non access stratum NAS message notifies subscriber equipment described in each.
23. base station equipments as claimed in claim 19, is characterized in that, the relation that described group index is corresponding with between described group id, are subscriber equipment definition described in each and are reported by radio control protocols RRC information or non access stratum NAS message.
24. base station equipments as claimed in claim 23, it is characterized in that, the relation mapped between described group id and described priority value defines by closing on service function Prose Function, and close on service function by described, or the subscriber equipment of specifying, or Mobility Management Entity MME/ home subscriber server HSS notice.
The system of 25. 1 kinds of group communications, is characterized in that, described system comprises at least one subscriber equipment as described in any one of claim 13-18, and the base station equipment as described in any one of claim 19-24.
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