CN104619008A

CN104619008A - Device-to-device multicast/broadcast communication processing method, device-to-device multicast/broadcast communication processing device, and user equipment

Info

Publication number: CN104619008A
Application number: CN201310535994.2A
Authority: CN
Inventors: 陈琳; 朱进国; 黄莹; 李大鹏; 黄河
Original assignee: ZTE Corp
Current assignee: ZTE Corp
Priority date: 2013-11-01
Filing date: 2013-11-01
Publication date: 2015-05-13
Anticipated expiration: 2033-11-01
Also published as: WO2015062260A1; CN104619008B

Abstract

The invention provides a device-to-device (D2D) multicast/broadcast communication processing method, a D2D multicast/broadcast communication processing device, and a piece of user equipment. The method comprises the steps of acquiring an air interface identifier used for identifying D2D multicast/broadcast communication and/or resource information of D2D multicast/broadcast communication, and processing D2D multicast/broadcast communication on a piece of resource corresponding to the resource information according to the air interface identifier. By adopting the method, the device and the user equipment of the invention, the problem that the UE cannot realize D2D multicast/broadcast communication in a non-coverage or coverage scene and in a partial coverage scene is solved, and the UE can carry out D2D multicast/broadcast communication smoothly in a non-coverage or coverage scene and in a partial coverage scene.

Description

Device-to-device multicast/broadcast communication processing method, device and subscriber equipment

Technical field

The present invention relates to the communications field, in particular to a kind of device-to-device D2D multicast/broadcast communication processing method, device and subscriber equipment.

Background technology

Along with the development of wireless multimedia service, the demand of people to high data rate and Consumer's Experience is growing, thus proposes high requirement to the power system capacity of conventional cellular network and covering.On the other hand public safety, social networks, the closely application scenarios such as data sharing, local advertising make that people are right desorbs nearly persons or things and the demand of communicate with it (Proximity Services, adjacent service) increases gradually.Obvious limitation is there is in traditional cellular network centered by base station in the support of high data rate and adjacent service, under this requirement background, device-to-device (Device-to-Device, referred to as the D2D) technology representing future communication technologies development new direction is arisen at the historic moment.The application of D2D technology, can alleviate the burden of cellular network, reduces the battery power consumption of subscriber equipment, improve data rate, and improve the robustness of network infrastructure, meet the requirement of above-mentioned high data rate traffic and adjacent service well.

But, in the prior art not under public safety scene, D2D broadcast/group broadcast connection setup when present communications shortage of resources or the paralysis of congested or network infrastructure provides the solution of system perfecting, namely in the related, there is UE covering without covering or having and the problem of D2D multicast and broadcast communication under part covering scene, cannot be realized.

Summary of the invention

The invention provides a kind of device-to-device D2D multicast/broadcast communication processing method, device and subscriber equipment, at least to solve in correlation technique, there is UE and covering without covering or having and the problem of D2D multicast and broadcast communication under part covering scene, cannot be realized.

According to an aspect of the present invention, providing a kind of device-to-device D2D multicast/broadcast communication processing method, comprising: obtaining the resource information that air interface identifier and/or described D2D multicast/broadcast for identifying the communication of D2D multicast/broadcast communicate; In the resource that described resource information is corresponding, D2D multicast/broadcast communication process is carried out according to described air interface identifier.

Preferably, in the resource that described resource information is corresponding, carry out D2D multicast/broadcast communication process according to described air interface identifier to comprise: in the resource that described resource information is corresponding, send D2D multicast/broadcast communication data packet according to described air interface identifier; And/or, in the resource that described resource information is corresponding, receive D2D multicast/broadcast communication data packet according to described air interface identifier.

Preferably, the described air interface identifier obtained for identifying the communication of D2D multicast/broadcast comprise following one of at least: obtain described air interface identifier from D2D application server; According to the first pre-defined rule, by D2D multicast/broadcast application layer identity map is obtained described air interface identifier to the mode of air interface identifier; According to the second pre-defined rule, by D2D multicast/broadcast IP address maps is obtained described air interface identifier to the mode of air interface identifier; The described air interface identifier that acquisition system is given tacit consent in advance; Described air interface identifier is generated according to D2D multicast/broadcast application layer mark; Obtain described air interface identifier from adjacent node, wherein, described adjacent node periodic broadcast comprises the message of described air interface identifier; Obtain described air interface identifier from central node, wherein, described central node is used for controlling the communication of described D2D multicast/broadcast.

Preferably, obtain described air interface identifier from described central node to comprise: send to described central node the D2D multicast/broadcast communication request comprising D2D multicast/broadcast application layer mark; Receive the described air interface identifier that described central node distributes according to described D2D multicast/broadcast communication request.

Preferably, obtain described air interface identifier from described central node and comprise: receiving package is containing the message of described air interface identifier, and described message is sent by described central node by the mode of periodic broadcast.

Preferably, obtain be used for the described resource information of described D2D multicast/broadcast communication comprise following one of at least: obtain described resource information from D2D application server; Obtain the described resource information of system default; The mode of competition is adopted to obtain described resource information; Obtain described resource information from adjacent node, wherein, described adjacent node periodic broadcast comprises the message of described resource information; Obtain described resource information from central node, wherein, described central node is used for controlling the communication of described D2D multicast/broadcast.

Preferably, obtain described resource information from described central node and comprise: receiving package is containing the message of described resource information, and described message is sent by described central node by the mode of periodic broadcast.

Preferably, obtain described resource information from described central node to comprise: send D2D multicast/broadcast communication request to described central node; Receive the described resource information of the resource that described central node distributes according to described D2D multicast/broadcast communication request.

Preferably, described multicast/broadcast communication request include following one of at least: D2D multicast/broadcast application layer mark, D2D multicast/broadcast IP address, multicast/broadcast communication instruction, D2D multicast/broadcast priority, one or more multicast/broadcast communication traffic streams service quality QoS information.

Preferably, when described multicast/broadcast communication request comprises one or more multicast/broadcast communication traffic streams service quality QoS information, the described resource information receiving the resource that described central node distributes according to described D2D multicast/broadcast communication request comprises: receive the multicast/broadcast communication acknowledge message that described central node sends, wherein, described one or more multicast/broadcast communication traffic streams service quality QoS information that described central node comprises according to described multicast/broadcast communication request carry out call access control, determine the multicast/broadcast communication traffic streams accepted, described multicast/broadcast communication acknowledge message comprise following one of at least: the resource information of the described resource that described central node distributes, the described multicast/broadcast communication traffic streams accepted.

Preferably, described resource information include following one of at least: the frequency point information of multicast/broadcast communication, the band resource information of multicast/broadcast communication, the frame offset information of multicast/broadcast communication, the sub-frame offset information of multicast/broadcast communication, the sub-frame mode information of multicast/broadcast communication, the gap information of multicast/broadcast communication, the resource block information of multicast/broadcast communication, the resource repetition period information of multicast/broadcast communication, the described D2D multicast/broadcast air interface identifier corresponding with described resource information, send the identification information of the subscriber equipment of D2D multicast/broadcast communication data packet.

Preferably, the resource allocation information of the resource that described resource information is corresponding comprise following one of at least: resource bearing identifies, media access control MAC configuration information, wireless spread-spectrum technology RLC configuration information, PDCP PDCP configuration information, logic channel configuration information.

Preferably, in the resource that described resource information is corresponding, send described D2D multicast/broadcast communication data packet according to described air interface identifier to comprise: in described resource, send the described D2D multicast/broadcast communication data packet carrying D2D multicast/broadcast air interface identifier and/or the instruction of D2D multicast/broadcast.

Preferably, in described resource, one of at least send the described D2D multicast/broadcast communication data packet carrying described D2D multicast/broadcast air interface identifier and/or the instruction of described D2D multicast/broadcast in the following manner: by carrying the mode of described D2D multicast/broadcast air interface identifier and/or the instruction of described D2D multicast/broadcast in the media access control MAC/sub-head of wireless spread-spectrum technology RLC/ PDCP PDCP of described D2D multicast/broadcast communication data packet, described resource sends the described D2D multicast/broadcast communication data packet carrying described D2D multicast/broadcast air interface identifier and/or the instruction of described D2D multicast/broadcast, by adopting described D2D multicast/broadcast air interface identifier and/or D2D multicast/broadcast to indicate the mode of described D2D multicast/broadcast communication resource distribution control information and/or packet being carried out to scrambling, described resource sends the described D2D multicast/broadcast communication data packet carrying described D2D multicast/broadcast air interface identifier and/or the instruction of described D2D multicast/broadcast, by sending the mode of carrying described D2D multicast/broadcast air interface identifier and/or the instruction of described D2D multicast/broadcast of the resource location implicit expression that described D2D multicast/broadcast communication data packet uses, described resource sends the described D2D multicast/broadcast communication data packet carrying described D2D multicast/broadcast air interface identifier and/or the instruction of described D2D multicast/broadcast, wherein, the described resource location sending the use of described D2D multicast/broadcast communication data packet corresponds to described D2D multicast/broadcast air interface identifier and/or the instruction of described D2D multicast/broadcast.

Preferably, in the resource that described resource information is corresponding, receive described D2D multicast/broadcast communication data packet according to described air interface identifier to comprise: judge whether the recipient of described D2D multicast/broadcast communication data packet belongs to multicast/broadcast communication set corresponding to described air interface identifier according to described air interface identifier; When judged result is for being, dissection process is carried out to described D2D multicast/broadcast communication data packet, and the Packet Generation after parsing is given high-rise; And/or, when judged result is no, abandon described D2D multicast/broadcast communication data packet.

According to a further aspect in the invention, provide a kind of device-to-device D2D multicast/broadcast communication processing apparatus, comprise: acquisition module, the resource information that air interface identifier and/or described D2D multicast/broadcast for obtaining for identifying the communication of D2D multicast/broadcast communicate; Processing module, for carrying out D2D multicast/broadcast communication process according to described air interface identifier in the resource that described resource information is corresponding.

Preferably, described processing module comprises: transmitting element, for sending D2D multicast/broadcast communication data packet according to described air interface identifier in the resource that described resource information is corresponding; And/or receiving element, for receiving D2D multicast/broadcast communication data packet according to described air interface identifier in the resource that described resource information is corresponding.

Preferably, described acquisition module comprise following one of at least: the first acquiring unit, for obtaining described air interface identifier from D2D application server; Second acquisition unit, for according to the first pre-defined rule, by obtaining described air interface identifier by D2D multicast/broadcast application layer identity map to the mode of air interface identifier; 3rd acquiring unit, for according to the second pre-defined rule, by obtaining described air interface identifier by D2D multicast/broadcast IP address maps to the mode of air interface identifier; 4th acquiring unit, for obtaining the described air interface identifier that system is given tacit consent in advance; Generation unit, for generating described air interface identifier according to D2D multicast/broadcast application layer mark; 5th acquiring unit, for obtaining described air interface identifier from adjacent node, wherein, described adjacent node periodic broadcast comprises the message of described air interface identifier; 6th acquiring unit, for obtaining described air interface identifier from central node, wherein, described central node is used for controlling the communication of described D2D multicast/broadcast.

Preferably, described 5th acquiring unit comprises: first sends subelement, for sending the D2D multicast/broadcast communication request comprising D2D multicast/broadcast application layer mark to described central node; First receives subelement, for receiving the described air interface identifier that described central node distributes according to described D2D multicast/broadcast communication request.

Preferably, described acquisition module comprise following one of at least: the 7th acquiring unit, for obtaining described resource information from D2D application server; 8th acquiring unit, for obtaining the described resource information of system default; 9th acquiring unit, obtains described resource information for adopting the mode of competition; Tenth acquiring unit, for obtaining described resource information from adjacent node, wherein, described adjacent node periodic broadcast comprises the message of described resource information; 11 acquiring unit, for obtaining described resource information from central node, wherein, described central node is used for controlling the communication of described D2D multicast/broadcast.

Preferably, described 11 acquiring unit comprises: second sends subelement, for sending D2D multicast/broadcast communication request to described central node; Second receives subelement, for receiving the described resource information of the resource that described central node distributes according to described D2D multicast/broadcast communication request.

Preferably, described transmitting element comprises: the 3rd sends subelement, for sending the described D2D multicast/broadcast communication data packet carrying D2D multicast/broadcast air interface identifier and/or the instruction of D2D multicast/broadcast in described resource.

Preferably, described 3rd send subelement comprise following one of at least: first sends time subelement, for the mode by carrying described D2D multicast/broadcast air interface identifier and/or the instruction of described D2D multicast/broadcast in the media access control MAC/sub-head of wireless spread-spectrum technology RLC/ PDCP PDCP of described D2D multicast/broadcast communication data packet, described resource sends the described D2D multicast/broadcast communication data packet carrying described D2D multicast/broadcast air interface identifier and/or the instruction of described D2D multicast/broadcast; Second sends time subelement, for by adopting described D2D multicast/broadcast air interface identifier and/or D2D multicast/broadcast to indicate the mode of described D2D multicast/broadcast communication resource distribution control information and/or packet being carried out to scrambling, described resource sends the described D2D multicast/broadcast communication data packet carrying described D2D multicast/broadcast air interface identifier and/or the instruction of described D2D multicast/broadcast; 3rd sends time subelement, for the mode of carrying described D2D multicast/broadcast air interface identifier and/or the instruction of described D2D multicast/broadcast by sending the resource location implicit expression that described D2D multicast/broadcast communication data packet uses, described resource sends the described D2D multicast/broadcast communication data packet carrying described D2D multicast/broadcast air interface identifier and/or the instruction of described D2D multicast/broadcast, wherein, the described resource location sending the use of described D2D multicast/broadcast communication data packet corresponds to described D2D multicast/broadcast air interface identifier and/or the instruction of described D2D multicast/broadcast.

Preferably, described receiving element comprises: judgment sub-unit, for judging according to described air interface identifier whether the recipient of described D2D multicast/broadcast communication data packet belongs to multicast/broadcast communication set corresponding to described air interface identifier; Resolving subelement, for when the judged result of described judgment sub-unit is for being, dissection process being carried out to described D2D multicast/broadcast communication data packet, and the Packet Generation after parsing is given high-rise; And/or, abandon subelement, for when the judged result of described judgment sub-unit is no, abandon described D2D multicast/broadcast communication data packet.

According to another aspect of the invention, provide a kind of subscriber equipment, comprise the D2D multicast/broadcast communication processing apparatus according to any one of described in above-mentioned any one.

By the present invention, adopt the resource information of air interface identifier and/or the described D2D multicast/broadcast communication obtained for identifying the communication of D2D multicast/broadcast; In the resource that described resource information is corresponding, D2D multicast/broadcast communication process is carried out according to described air interface identifier, solve in correlation technique, there is UE covering without covering or having and the problem of D2D multicast and broadcast communication under part covering scene, cannot be realized, and then reach the effect making UE carry out D2D multicast and broadcast communication smoothly under nothing covers or has covering and part covering scene.

Accompanying drawing explanation

Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:

Fig. 1 is the flow chart of the device-to-device D2D multicast/broadcast communication processing method according to the embodiment of the present invention;

Fig. 2 is the structured flowchart of the device-to-device D2D multicast/broadcast communication processing apparatus according to the embodiment of the present invention;

Fig. 3 is the preferred structure block diagram of processing module 24 in the device-to-device D2D multicast/broadcast communication processing apparatus according to the embodiment of the present invention;

Fig. 4 is the preferred structure block diagram one of acquisition module 22 in the device-to-device D2D multicast/broadcast communication processing apparatus according to the embodiment of the present invention;

Fig. 5 is the preferred structure block diagram of the 5th acquiring unit 46 in acquisition module 22 in the device-to-device D2D multicast/broadcast communication processing apparatus according to the embodiment of the present invention;

Fig. 6 is the preferred structure block diagram two of acquisition module 22 in the device-to-device D2D multicast/broadcast communication processing apparatus according to the embodiment of the present invention;

Fig. 7 is the preferred structure block diagram of the 11 acquiring unit 65 in acquisition module 22 in the device-to-device D2D multicast/broadcast communication processing apparatus according to the embodiment of the present invention;

Fig. 8 is the preferred structure block diagram of transmitting element 32 in processing module 24 in the device-to-device D2D multicast/broadcast communication processing apparatus according to the embodiment of the present invention;

Fig. 9 the 3rd sends the preferred structure block diagram of subelement 82 in transmitting element 32 in processing module 24 in the device-to-device D2D multicast/broadcast communication processing apparatus according to the embodiment of the present invention;

Figure 10 is the preferred structure block diagram of receiving element 34 in processing module 24 in the device-to-device D2D multicast/broadcast communication processing apparatus according to the embodiment of the present invention;

Figure 11 is the structured flowchart of the subscriber equipment according to the embodiment of the present invention;

Figure 12 is the equipment direct communication system communication pattern schematic diagram according to the embodiment of the present invention;

Figure 13 is according to the D2D multicast/broadcast of the embodiment of the present invention schematic diagram for Cover treatment scene;

Figure 14 be according to example 1 of the present invention without covering scene D2D cast communication flow chart;

Figure 15 be according to example 2 of the present invention without covering scene D2D cast communication flow chart;

Figure 16 be according to example 3 of the present invention without covering scene D2D cast communication flow chart;

Figure 17 be according to example 4 of the present invention without covering scene D2D cast communication flow chart;

Figure 18 be according to example 5 of the present invention without covering scene D2D broadcast communication flow chart;

Figure 19 has covering scene D2D cast communication flow chart according to example 6 of the present invention;

Figure 20 has covering scene D2D cast communication flow chart according to example 7 of the present invention;

Figure 21 has covering scene D2D cast communication flow chart according to example 8 of the present invention;

Figure 22 has covering scene D2D cast communication flow chart according to example 9 of the present invention;

Figure 23 has covering scene D2D broadcast communication flow chart according to example 10 of the present invention;

Figure 24 has covering scene D2D broadcast communication flow chart according to example 11 of the present invention;

Figure 25 is the part covering scene D2D cast communication flow chart according to example 12 of the present invention.

Embodiment

Hereinafter also describe the present invention in detail with reference to accompanying drawing in conjunction with the embodiments.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.

Provide a kind of device-to-device D2D multicast/broadcast communication processing method in the present embodiment, Fig. 1 is the flow chart of the device-to-device D2D multicast/broadcast communication processing method according to the embodiment of the present invention, and as shown in Figure 1, this flow process comprises the steps:

Step S102, obtains the resource information that air interface identifier and/or D2D multicast/broadcast for identifying the communication of D2D multicast/broadcast communicate;

Step S104, carries out D2D multicast/broadcast communication process according to air interface identifier in the resource that resource information is corresponding.

Pass through above-mentioned steps, D2D multicast/broadcast communication process is carried out according to the air interface identifier of D2D multicast/broadcast communication and/or the resource information of D2D multicast/broadcast communication, solve in correlation technique, there is UE covering without covering or having and the problem of D2D multicast and broadcast communication under part covering scene, cannot be realized, and then reach the effect making UE carry out D2D multicast and broadcast communication smoothly under nothing covers or has covering and part covering scene.

Wherein, in the resource that resource information is corresponding, carry out D2D multicast/broadcast communication process according to air interface identifier can comprise: in the resource that resource information is corresponding, send D2D multicast/broadcast communication data packet according to air interface identifier; And/or, in the resource that resource information is corresponding, receive D2D multicast/broadcast communication data packet according to air interface identifier.

Obtain and can have various ways for the air interface identifier identifying the communication of D2D multicast/broadcast, such as, can in the following ways one of at least: obtain air interface identifier from D2D application server; According to the first pre-defined rule, by D2D multicast/broadcast application layer identity map is obtained air interface identifier to the mode of air interface identifier; According to the second pre-defined rule, by D2D multicast/broadcast IP address maps is obtained air interface identifier to the mode of air interface identifier; The air interface identifier that acquisition system is given tacit consent in advance; Air interface identifier is generated according to D2D multicast/broadcast application layer mark; Obtain air interface identifier from adjacent node, wherein, this adjacent node periodic broadcast comprises the message of air interface identifier; Obtain air interface identifier from central node, wherein, central node is used for controlling the communication of D2D multicast/broadcast.Wherein, obtain air interface identifier from central node and can adopt following processing mode: send to central node the D2D multicast/broadcast communication request comprising D2D multicast/broadcast application layer mark; Receive the air interface identifier that central node distributes according to D2D multicast/broadcast communication request.More preferably, air interface identifier can be obtained by the mode of proprietary signaling and/or periodic broadcast from central node, such as, comprise the air interface identifier receiving central node and distribute according to D2D multicast/broadcast communication request.

Obtain and be used for the resource information of D2D multicast/broadcast communication and also can adopt various ways, such as, can in the following ways one of at least: from D2D application server Gains resources information; Obtain the resource information of system default; Adopt the mode Gains resources information of competition; From adjacent node Gains resources information, wherein, this adjacent node periodic broadcast comprises the message of resource information; From central node Gains resources information, wherein, this central node is used for controlling the communication of D2D multicast/broadcast.Wherein, following processing mode can be adopted: also can obtain this resource information by the mode of above-mentioned dedicated signaling and/or periodic broadcast from central node from central node Gains resources information, such as, D2D multicast/broadcast communication request can be sent to central node; Receive the resource information of the resource that central node distributes according to D2D multicast/broadcast communication request.

Wherein, this multicast/broadcast communication request can include following one of at least: D2D multicast/broadcast application layer mark, D2D multicast/broadcast IP address, multicast/broadcast communication instruction, D2D multicast/broadcast priority, one or more multicast/broadcast communication traffic streams service quality QoS information.

Preferably, when multicast/broadcast communication request comprises one or more multicast/broadcast communication traffic streams service quality QoS information, the resource information receiving the resource that central node distributes according to D2D multicast/broadcast communication request can adopt following process: receive the multicast/broadcast communication acknowledge message that central node sends, wherein, one or more multicast/broadcast communication traffic streams service quality QoS information that central node comprises according to multicast/broadcast communication request carry out call access control, determine the multicast/broadcast communication traffic streams accepted, multicast/broadcast communication acknowledge message comprise following one of at least: the resource information of the resource that central node distributes, the multicast/broadcast communication traffic streams accepted.

It should be noted that, above-mentioned resource information can comprise much information, such as, can include following one of at least: the frequency point information of multicast/broadcast communication, the band resource information of multicast/broadcast communication, the frame offset information of multicast/broadcast communication, the sub-frame offset information of multicast/broadcast communication, the sub-frame mode information of multicast/broadcast communication, the gap information of multicast/broadcast communication, the resource block information of multicast/broadcast communication, the resource repetition period information of multicast/broadcast communication, the D2D multicast/broadcast air interface identifier corresponding with resource information, send the identification information of the subscriber equipment of D2D multicast and broadcast communication data packet.Wherein, the resource allocation information of the resource corresponding to this resource information can comprise following one of at least: resource bearing identifies, media access control MAC configuration information, wireless spread-spectrum technology RLC configuration information, PDCP PDCP configuration information, logic channel configuration information.

In the resource that resource information is corresponding, send D2D multicast/broadcast communication data packet according to air interface identifier to comprise: in resource, send the D2D multicast/broadcast communication data packet carrying D2D multicast/broadcast air interface identifier and/or the instruction of D2D multicast/broadcast.Preferably, one of at least can send the D2D multicast/broadcast communication data packet carrying D2D multicast/broadcast air interface identifier and/or the instruction of D2D multicast/broadcast in the following manner in resource: by carrying the mode of D2D multicast/broadcast air interface identifier and/or the instruction of D2D multicast/broadcast in the media access control MAC/sub-head of wireless spread-spectrum technology RLC/ PDCP PDCP of D2D multicast/broadcast communication data packet, resource sends the D2D multicast/broadcast communication data packet carrying D2D multicast/broadcast air interface identifier and/or the instruction of D2D multicast/broadcast; By adopting D2D multicast/broadcast air interface identifier and/or D2D multicast/broadcast to indicate the mode of the communication resource distribution control information of D2D multicast/broadcast and/or packet being carried out to scrambling, resource sends the D2D multicast/broadcast communication data packet carrying D2D multicast/broadcast air interface identifier and/or the instruction of D2D multicast/broadcast; By sending the mode of carrying D2D multicast/broadcast air interface identifier and/or the instruction of D2D multicast/broadcast of the resource location implicit expression that D2D multicast/broadcast communication data packet uses, resource sends the D2D multicast/broadcast communication data packet carrying D2D multicast/broadcast air interface identifier and/or the instruction of D2D multicast/broadcast, wherein, the resource location sending the use of D2D multicast/broadcast communication data packet corresponds to D2D multicast/broadcast air interface identifier and/or the instruction of D2D multicast/broadcast.

In the resource that resource information is corresponding, receive D2D multicast/broadcast communication data packet according to air interface identifier to comprise: judge whether the recipient of D2D multicast/broadcast communication data packet belongs to multicast/broadcast communication set corresponding to air interface identifier according to air interface identifier; When judged result is for being, dissection process is carried out to D2D multicast/broadcast communication data packet, and the Packet Generation after parsing is given high-rise; And/or, when judged result is no, abandon D2D multicast/broadcast communication data packet.

Additionally provide a kind of device-to-device D2D multicast/broadcast communication processing apparatus in the present embodiment, this device is used for realizing above-described embodiment and preferred implementation, has carried out repeating no more of explanation.As used below, term " module " can realize the software of predetermined function and/or the combination of hardware.Although the device described by following examples preferably realizes with software, hardware, or the realization of the combination of software and hardware also may and conceived.

Fig. 2 is the structured flowchart of the device-to-device D2D multicast/broadcast communication processing apparatus according to the embodiment of the present invention, and as shown in Figure 2, this device comprises acquisition module 22 and processing module 24, is described below to this device.

Acquisition module 22, the resource information that air interface identifier and/or D2D multicast/broadcast for obtaining for identifying the communication of D2D multicast/broadcast communicate; Processing module 24, is connected to above-mentioned acquisition module 22, for carrying out D2D multicast/broadcast communication process according to air interface identifier in the resource that resource information is corresponding.

Fig. 3 is the preferred structure block diagram of processing module 24 in the device-to-device D2D multicast/broadcast communication processing apparatus according to the embodiment of the present invention, and as shown in Figure 3, this processing module 24 comprises transmitting element 32 and/or receiving element 34, is described below to this device.

Transmitting element 32, for sending D2D multicast/broadcast communication data packet according to air interface identifier in the resource that resource information is corresponding; Receiving element 34, for receiving D2D multicast/broadcast communication data packet according to air interface identifier in the resource that resource information is corresponding.

Fig. 4 is the preferred structure block diagram one of acquisition module 22 in the device-to-device D2D multicast/broadcast communication processing apparatus according to the embodiment of the present invention, as shown in Figure 4, this acquisition module 22 comprise following one of at least: the first acquiring unit 41, second acquisition unit 42, the 3rd acquiring unit 43, the 4th acquiring unit 44, generation unit 45, the 5th acquiring unit 46, the 6th acquiring unit 47, be described this acquisition module 22 below.

First acquiring unit 41, for obtaining air interface identifier from D2D application server; Second acquisition unit 42, for according to the first pre-defined rule, by obtaining air interface identifier by D2D multicast/broadcast application layer identity map to the mode of air interface identifier; 3rd acquiring unit 43, for according to the second pre-defined rule, by obtaining air interface identifier by D2D multicast/broadcast IP address maps to the mode of air interface identifier; 4th acquiring unit 44, for obtaining the air interface identifier that system is given tacit consent in advance; Generation unit 45, for generating air interface identifier according to D2D multicast/broadcast application layer mark; 5th acquiring unit 46, for obtaining air interface identifier from adjacent node, wherein, adjacent node periodic broadcast comprises the message of air interface identifier; 6th acquiring unit 47, for obtaining air interface identifier from central node, wherein, central node is used for controlling the communication of D2D multicast/broadcast.

Fig. 5 is the preferred structure block diagram of the 5th acquiring unit 46 in acquisition module 22 in the device-to-device D2D multicast/broadcast communication processing apparatus according to the embodiment of the present invention, as shown in Figure 5,5th acquiring unit 46 comprises the first transmission subelement 52 and first and receives subelement 54, is described below to the 5th acquiring unit 46.

First sends subelement 52, for sending the D2D multicast/broadcast communication request comprising D2D multicast/broadcast application layer mark to central node; First receives subelement 54, is connected to above-mentioned first and sends subelement 52, for receiving the air interface identifier that central node distributes according to D2D multicast/broadcast communication request.

Fig. 6 is the preferred structure block diagram two of acquisition module 22 in the device-to-device D2D multicast/broadcast communication processing apparatus according to the embodiment of the present invention, as shown in Figure 6, this acquisition module 22 comprise following one of at least: the 7th acquiring unit 61, the 8th acquiring unit 62, the 9th acquiring unit 63, the tenth acquiring unit the 64, the 11 acquiring unit 65, be described this acquisition module 22 below.

7th acquiring unit 61, for from D2D application server Gains resources information; 8th acquiring unit 62, for obtaining the resource information of system default; 9th acquiring unit 63, for adopting the mode Gains resources information of competition; Tenth acquiring unit 64, for from adjacent node Gains resources information, wherein, adjacent node periodic broadcast comprises the message of resource information; 11 acquiring unit 65, for from central node Gains resources information, wherein, central node is used for controlling the communication of D2D multicast/broadcast.

Fig. 7 is the preferred structure block diagram of the 11 acquiring unit 65 in acquisition module 22 in the device-to-device D2D multicast/broadcast communication processing apparatus according to the embodiment of the present invention, as shown in Figure 7,11 acquiring unit 65 comprises the second transmission subelement 72 and second and receives subelement 74, is described below to the 11 acquiring unit 65.

Second sends subelement 72, for sending D2D multicast/broadcast communication request to central node; Second receives subelement 74, is connected to above-mentioned second and sends subelement 72, for receiving the resource information of the resource that central node distributes according to D2D multicast/broadcast communication request.

Fig. 8 is the preferred structure block diagram of transmitting element 32 in processing module 24 in the device-to-device D2D multicast/broadcast communication processing apparatus according to the embodiment of the present invention, as shown in Figure 8, this transmitting element 32 comprises the 3rd and sends subelement 82, sends subelement 82 be below described the 3rd.

3rd sends subelement 82, for sending the D2D multicast/broadcast communication data packet carrying D2D multicast/broadcast air interface identifier and/or the instruction of D2D multicast/broadcast in resource.

Fig. 9 the 3rd sends the preferred structure block diagram of subelement 82 in transmitting element 32 in processing module 24 in the device-to-device D2D multicast/broadcast communication processing apparatus according to the embodiment of the present invention, as shown in Figure 9,3rd send subelement 82 comprise following one of at least: first sends time subelement 92, second sends time subelement 94, the 3rd and sends time subelement 96, sends subelement 82 be below described the 3rd.

First sends time subelement 92, for the mode by carrying D2D multicast/broadcast air interface identifier and/or the instruction of D2D multicast/broadcast in the media access control MAC/sub-head of wireless spread-spectrum technology RLC/ PDCP PDCP of D2D multicast/broadcast communication data packet, resource sends the D2D multicast/broadcast communication data packet carrying D2D multicast/broadcast air interface identifier and/or the instruction of D2D multicast/broadcast; Second sends time subelement 94, for by adopting D2D multicast/broadcast air interface identifier and/or D2D multicast/broadcast to indicate the mode of the communication resource distribution control information of D2D multicast/broadcast and/or packet being carried out to scrambling, resource sends the D2D multicast/broadcast communication data packet carrying D2D multicast/broadcast air interface identifier and/or the instruction of D2D multicast/broadcast; 3rd sends time subelement 96, for the mode of carrying D2D multicast/broadcast air interface identifier and/or the instruction of D2D multicast/broadcast by sending the resource location implicit expression that D2D multicast/broadcast communication data packet uses, resource sends the D2D multicast/broadcast communication data packet carrying D2D multicast/broadcast air interface identifier and/or the instruction of D2D multicast/broadcast, wherein, the resource location sending the use of D2D multicast/broadcast communication data packet corresponds to D2D multicast/broadcast air interface identifier and/or the instruction of D2D multicast/broadcast.

Figure 10 is the preferred structure block diagram of receiving element 34 in processing module 24 in the device-to-device D2D multicast/broadcast communication processing apparatus according to the embodiment of the present invention, as shown in Figure 8, this receiving element 34 comprises: judgment sub-unit 102, resolve subelement 104 and/or abandon subelement 106, is described below to this receiving element 34.

According to air interface identifier, judgment sub-unit 102, for judging whether the recipient of D2D multicast/broadcast communication data packet belongs to multicast/broadcast communication set corresponding to air interface identifier; Resolve subelement 104, being connected to above-mentioned judgment sub-unit 102, for when the judged result of judgment sub-unit 102 is for being, dissection process being carried out to D2D multicast/broadcast communication data packet, and the Packet Generation after parsing is given high-rise; And/or, abandon subelement 106, be connected to above-mentioned judgment sub-unit 102, for when the judged result of judgment sub-unit 102 is no, abandon D2D multicast/broadcast communication data packet.

Figure 11 is the structured flowchart of the subscriber equipment according to the embodiment of the present invention, and as shown in figure 11, this subscriber equipment 112 comprises the D2D multicast/broadcast communication processing apparatus 114 of above-mentioned any one.

D2D technology can be operated in authorizes frequency range or unauthorized frequency range, allow subscriber equipment (the i.e. D2D subscriber equipment of multiple support D2D function, D2D User Equipment, D2D UE) when having network infrastructure or directly find/direct communication without when network infrastructure.Figure 12 is the equipment direct communication system communication pattern schematic diagram according to the embodiment of the present invention, and as shown in figure 12, the application scenarios of this D2D mainly contains three kinds:

(1) UE1 and UE2 carries out data interaction under the covering of cellular network, user face data without network infrastructure, as the pattern 1 of Fig. 1;

(2) weak/without the UE relay transmission of overlay area, as the pattern 2 in Fig. 1, allow the poor UE4 of signal quality pass through near have the UE3 of the network coverage to communicate with network, operator can be helped to expand covering, raising capacity;

(3) in generation earthquake or emergency, when cellular network cisco unity malfunction, allow equipment room direct communication, as the mode 3 in Figure 12, between UE5, UE6 and UE7, the data communication of a jumping or multi-hop is all carried out in chain of command and user face without network infrastructure.

From the angle of public safety, public safety network system needs, for the first response people provides the means of services such as multimedia to finish the work, to require to have communication function in single-point communication and group.Specifically, the D2D communications packet of public safety scene contains as Types Below: clean culture, multicast, broadcast.Clean culture refers to man-to-man communication pattern between D2D subscriber equipment, and multicast and broadcast are the communication patterns for D2D subscriber equipment one-to-many.Unicast communication can regard the special shape of cast communication as, and as only comprised two subscriber equipmenies in D2D communication set, now D2D cast communication is equivalent to unicast communication.Meanwhile, the communicating requirement of public safety scene has very strong robustness, still can provide service to greatest extent when present communications shortage of resources or the paralysis of congested or network infrastructure.Therefore public safety requires that D2D communication not only works having under network coverage scene, also require part cover and without network coverage scene under work.Without under network coverage scene, D2D subscriber equipment can be worked by the mode of self-organizing, also can without choosing some D2D subscriber equipmenies under overlay environment as central node (Central Node, referred to as CN), these central nodes provide the function of similar base station.

Figure 13 is according to the D2D multicast/broadcast of the embodiment of the present invention schematic diagram for Cover treatment scene, as shown in figure 13, give the schematic diagram of D2D multicast and broadcast communication under public safety scene, wherein Figure 13 (a) is without the multicast and broadcast communication between the D2D subscriber equipment under covering scene, and Figure 13 (b) to have under covering scene or without the network coverage but the multicast and broadcast communication introduced under CN scene between D2D subscriber equipment.Here CN can be the eNB had under covering scene, also can be served as by D2D subscriber equipment without under covering scene.Figure 13 (c) gives the part D2D subscriber equipment that carries out group communication under central node covers, and the scene of part D2D subscriber equipment not under central node covers.

Based on above-mentioned scene, in the present embodiment, under providing a kind of public safety scene, UE covers in nothing or has D2D broadcast/group broadcast communication establishing method when covering and partly cover, by this D2D broadcast/group broadcast communication establishing method and system, subscriber equipment can have the network coverage and without various scenes such as the network coverage and subnetwork coverings under set up D2D multicast and broadcast communication by simple flow process fast and flexible, guarantee carrying out smoothly of multicast and broadcast communication.In addition, said method also can be applicable to unicast communication, as broadcast or cast communication only have the situation of a reception subscriber equipment.

This D2D multicast and broadcast communication method for building up comprise: subscriber equipment obtains air interface identifier and the resource information of the communication of D2D multicast/broadcast; Subscriber equipment uses this air interface identifier in above-mentioned resource, send/receive D2D multicast/broadcast communication data packet.Wherein, the subscriber equipment of above-mentioned indication comprises: the first user equipment of initiating the communication of D2D multicast/broadcast, and the second subscriber equipment receiving the communication of D2D multicast/broadcast; This second subscriber equipment relates to one or more subscriber equipment adjacent with first user equipment; Air interface identifier refers to D2D multicast/broadcast communication identifier, multicast air interface identifier wherein refers to can in all D2D cast communication of air interface identifier or specific D2D cast communication group (namely predetermined D2D cast communication group), and broadcast air interface identifier can in air interface identifier D2D broadcast communication.

On the one hand, the air interface identifier information that subscriber equipment obtains the communication of D2D multicast/broadcast can adopt various ways, such as, can one of at least obtain in the following ways: subscriber equipment from D2D application server obtain add the air interface identifier of D2D multicast/broadcast; Subscriber equipment is regular by the air interface identifier of D2D multicast application layer identity map to D2D group according to predefine; Subscriber equipment obtains institute from D2D application server and adds the IP multicast address of D2D group, and according to the regular air interface identifier IP multicast address of D2D group being mapped to D2D group of predefine; Before first user equipment initiates D2D cast communication, the air interface identifier of D2D group is generated according to D2D multicast application layer mark, and periodically broadcast D2D multicast application layer identifies the mapping relations with air interface identifier, second subscriber equipment receives the D2D multicast application layer mark of first user device periodically broadcast and the mapping relations of air interface identifier, thus obtains the air interface identifier of D2D group; Subscriber equipment obtains the D2D multicast/broadcast communication air interface identifier of acquiescence in advance; Subscriber equipment obtains D2D multicast/broadcast air interface identifier from central node.Wherein, it should be noted that, above-mentioned central node can be base station, or performs the subscriber equipment of Central Control Function, and this central node does not participate in the transmission of multicast/broadcast data, and the signaling of only carrying out corresponding chain of command controls.

Wherein, the air interface identifier that subscriber equipment obtains D2D group from central node can adopt following comparatively simple processing mode, comprising: first user equipment sends the D2D group communication request comprising D2D application layer group mark to central node; Central node receives the request of D2D group communication, distributes D2D group air interface identifier; Central node by proprietary signaling and or periodic broadcast will comprise D2D group air interface identifier, or the message of D2D group air interface identifier and D2D group application layer identity map information sends to subscriber equipment; Subscriber equipment receives the message comprising D2D group air interface identifier information that central node sends.

More preferably, subscriber equipment also comprises before obtaining the air interface identifier of D2D group from central node: first user equipment wishes to initiate D2D cast communication.

Wherein, subscriber equipment obtains D2D broadcast air interface identifier from central node also can adopt following comparatively simple processing mode, comprising: first user equipment sends D2D broadcast communication request to central node; Central node receives D2D broadcast communication request, distributes D2D and broadcasts air interface identifier; The message comprising D2D broadcast air interface identifier is sent to subscriber equipment by proprietary signaling and/or periodic broadcast by central node; Subscriber equipment receives the message comprising D2D broadcast air interface identifier information that central node sends.

On the other hand, subscriber equipment obtains the resource information of D2D multicast/broadcast communication, also can adopt multiple processing mode, such as, and also can in the following ways one of at least: subscriber equipment obtains D2D multicast/broadcast communication resource information from D2D application server; Subscriber equipment obtains the D2D multicast/broadcast communication resource information of system default; First user equipment adopts the mode of competition to obtain the running time-frequency resource sending multicast/broadcast communication data packet; Subscriber equipment obtains the resource information of D2D multicast/broadcast communication from central node.

Wherein, subscriber equipment also can adopt from the resource information that central node obtains the communication of D2D multicast/broadcast and comparatively simply to process below, comprising: first user equipment sends multicast/broadcast communication request to central node; After central node receiving group/broadcast communication request message, be multicast/broadcast allocation of communications interface-free resources, and transmission comprise the message of multicast/broadcast interface-free resources information to subscriber equipment; Subscriber equipment receiving package is containing the message of multicast/broadcast interface-free resources information.

More preferably, when first user equipment sends multicast/broadcast communication request message to central node, this multicast/broadcast communication request message can including but not limited to following field: D2D group identifies, multicast/broadcast communication indicates, D2D group priority, one or more multicast/broadcast communication traffic streams QoS information; Wherein, D2D group mark can be following one of at least: the D2D group air interface identifier of D2D group application layer mark, D2D IP multicast address, system default.

After central node receiving group/broadcast communication request message, for multicast/broadcast allocation of communications interface-free resources, and send comprise multicast/broadcast interface-free resources information message to subscriber equipment time, can following process be carried out to this multicast/broadcast: central node carries out call access control to multicast/broadcast communication request; The multicast/broadcast communication traffic streams QoS information that central node can comprise according to multicast/broadcast communication request message, determines the multicast/broadcast communication traffic streams accepted.After this, central node sends the message comprising multicast/broadcast interface-free resources information and can comprise to subscriber equipment: central node sends multicast/broadcast communication acknowledge message to first user equipment, wherein, this multicast/broadcast communication acknowledge message can comprise the resource and/or received Business Stream information of distributing to multicast/broadcast communication.

In addition, central node send comprise multicast/broadcast interface-free resources information message to subscriber equipment time, different send modes can be adopted to send different resource informations, such as, this central node can adopt the mode of periodic broadcast to send sub-frame mode information corresponding to multicast/broadcast communication; This central node can broadcast transmission comprise multicast/broadcast communication resource information, wherein, this multicast/broadcast interface-free resources information can comprise the combination in any of following field: the frequency of multicast/broadcast communication, band resource, frame/sub-frame offset, sub-frame mode, time slot, Resource Block, the resource repetition period etc.; The resource information of this multicast/broadcast communication comprise following one of at least: the identification information of corresponding D2D group air interface identifier/D2D broadcast air interface identifier, first user equipment.In addition, the resource information comprising multicast/broadcast communication that central node sends also can periodically send.

When subscriber equipment uses air interface identifier to send/receive D2D multicast/broadcast communication data packet in resource, comprise: first user equipment sends D2D multicast/broadcast communication data packet in resource, its packet implicit expression or explicitly carry D2D group air interface identifier/D2D broadcast identification; Second subscriber equipment receives D2D multicast packet in resource, judges whether to need further parsing according to D2D group air interface identifier, if needed, carries out MAC/RLC/PDCP dissection process further and delivers to high-rise, otherwise abandoning this packet; Or the second subscriber equipment receives D2D broadcast communication data bag in resource, after completing MAC/RLC/PDCP layer dissection process, deliver to high-rise.

When first user equipment sends D2D multicast/broadcast communication data packet in resource, its packet implicit expression or explicitly carry D2D group air interface identifier/D2D broadcast identification, comprise: first user equipment the D2D multicast/broadcast communication data packet sent carry following one of at least: D2D group air interface identifier/D2D broadcast identification, the instruction of D2D multicast/broadcast.Preferably, this D2D group air interface identifier/D2D broadcast identification can be carried in the following manner: can the sub-head of MAC/RLC/PDCP of D2D multicast/broadcast communication data packet carry following one of at least: D2D group air interface identifier/D2D broadcast identification, D2D multicast/broadcast indication field; D2D group air interface identifier/D2D broadcast identification is used to carry out scrambling to the D2D multicast/broadcast communication data packet that first user equipment sends; What the D2D multicast/broadcast communication data packet that first user equipment sends used central node to distribute corresponds to the resource of D2D group air interface identifier/D2D broadcast identification, and D2D multicast/broadcast communication data packet carries D2D group air interface identifier/D2D broadcast identification information by what send the resource location implicit expression of packet use.

Second subscriber equipment, before resource receives D2D multicast/broadcast communication data packet, also comprises: the second subscriber equipment is interested in reception D2D multicast/broadcast, and obtains D2D multicast/broadcast air interface identifier and resource information; Second subscriber equipment receives D2D multicast packet in resource, judges whether to need further parsing according to D2D group air interface identifier, if needed, carries out MAC/RLC/PDCP dissection process and delivers to high-rise, otherwise abandoning this packet.It should be noted that, if the member of the second subscriber equipment D2D group that to be D2D group air interface identifier corresponding, then the second subscriber equipment needs resolution data bag.

UE is under nothing covers or has covering and part covering scene, air interface identifier and resource information that subscriber equipment can be taked to obtain the communication of D2D multicast/broadcast are set up in D2D multicast and broadcast communication, and the mode that subscriber equipment uses air interface identifier to send/receive D2D multicast/broadcast communication data packet in resource afterwards completes.By above-described embodiment and preferred implementation, subscriber equipment can there being covering, without covering and setting up D2D multicast and broadcast communication by simple flow process fast and flexible under scene such as part covering etc., guarantees carrying out smoothly of multicast and broadcast communication.

For three kinds of covering scene that Figure 13 provides, introduce corresponding embodiment respectively below.

Embodiment one

The present embodiment provides without D2D multicast and broadcast communication establishing method under covering scene.The feature of this embodiment is the distribution not having central node to carry out resource coordination and D2D multicast/broadcast air interface identifier, needs UE independently to complete the mapping of resource contention and D2D multicast/broadcast air interface identifier or predefined mode obtains.Elaborate below by way of example 1 to example 5.

Example 1

In public safety scene, Officer A, B, C, D use the public safety UE1 possessing D2D function, UE2, UE3 and UE4.Officer A, B, C, D have subscribed public safety service, and UE1, UE2, UE3 configuration belongs to D2D communication set X, and UE4 belongs to D2D communication set Y.At Officer A, before B, C, D arrive emergency place, know D2D communication set mark GID and the wireless resource information for public safety in advance, wherein wireless resource information can comprise frequency and band information.After arrival emergency place, they are not in network coverage, but UE1, UE2, UE3, UE4 are each other in D2D communication range.

At emergency place, Officer A wishes to initiate cast communication, informs other Officer relevant informations in group.The UE1 of Officer A monitors preallocated Radio Resource service condition, by competition mode Gains resources, Figure 14 be according to example 1 of the present invention without covering scene D2D cast communication flow chart, as shown in figure 14.Compete UE1 broadcast transmission cast communication data after resource, institute sends packet and carries preallocated D2D group at the sub-head of MAC/RLC/PDCP and identify.Optionally, cast communication packet can carry the air interface identifier information of the instruction of D2D cast communication and UE1 at the sub-head of MAC/RLC/PDCP.

Officer B, the UE2 of C, D, UE3 and UE4 monitor the public safety Radio Resource known in advance.Suppose UE2, UE3, UE4 have listened to Packet Generation, then receive this packet, resolve the D2D group mark of the sub-head of MAC/RLC/PDCP.UE2 and UE3 judges the member oneself belonging to D2D group corresponding to this D2D group mark, then UE2 and UE3 carries out MAC/RLC/PDCP dissection process further and deliver to high-rise.The member oneself not belonging to D2D group corresponding to this D2D group mark is then judged for UE4, therefore abandons this packet.

Example 2

In public safety scene, Officer A, B, C, D use the public safety UE1 possessing D2D function, UE2, UE3 and UE4.Officer A, B, C, D have subscribed public safety service, and UE1, UE2, UE3 configuration belongs to D2D communication set X, and UE4 belongs to D2D communication set Y.At Officer A, before B, C, D arrive emergency place, know D2D communication set application layer mark GID and the wireless resource information for public safety in advance, wherein wireless resource information can comprise frequency and band information.After arrival emergency place, UE is not in network coverage, but UE1, UE2, UE3, UE4 are each other in D2D communication range.

At emergency place, Officer A wishes to initiate cast communication, informs other Officer relevant informations in group.Meanwhile, Officer B, the UE2 of C, D, UE3, UE4 wish to receive multicast information.Then first D2D communication set application layer mark GID is mapped to D2D group air interface identifier according to predefine rule by UE1, UE2, UE3, UE4, monitors preallocated Radio Resource afterwards.Want send data UE1 by competition mode Gains resources, Figure 15 be according to example 2 of the present invention without covering scene D2D cast communication flow chart, as shown in figure 15.Compete UE1 broadcast transmission cast communication data after resource, send packet and carry at the sub-head of MAC/RLC/PDCP and be mapped to D2D group air interface identifier according to predefine rule.Optionally, cast communication packet can carry the air interface identifier information of the instruction of D2D cast communication and UE1 at the sub-head of MAC/RLC/PDCP.

Officer B, the UE2 of C, D, UE3 and UE4 monitor the public safety Radio Resource known in advance.Suppose UE2, UE3, UE4 have listened to Packet Generation, then receive this packet, resolve the D2D group air interface identifier of the sub-head of MAC/RLC/PDCP.UE2 with UE3 judges that this D2D air interface identifier is consistent with the D2D air interface identifier that the D2D communication set belonging to oneself maps, then UE2 and UE3 carries out MAC/RLC/PDCP dissection process further and deliver to high-rise.The member oneself not belonging to D2D group corresponding to this D2D group mark is then judged for UE4, therefore abandons this packet.

This predefine mapping ruler likely produces the situation of different D2D communication set application layer identity map to same D2D group air interface identifier, for this situation, UE can continue through the D2D group information that the multicast address of IP layer or application layer carry and judge whether it is corresponding correct D2D communication set further, judges it is receive this packet or abandon by high level.

Example 3

In public safety scene, Officer A, B, C, D use the public safety UE1 possessing D2D function, UE2, UE3 and UE4.Officer A, B, C, D have subscribed public safety service, and UE1, UE2, UE3 configuration belongs to D2D communication set X, and UE4 belongs to D2D communication set Y.At Officer A, before B, C, D arrive emergency place, know the IP multicast address of D2D communication set and the wireless resource information for public safety in advance, wherein wireless resource information can comprise frequency and band information.After arrival emergency place, UE is not in network coverage, but UE1, UE2, UE3, UE4 are each other in D2D communication range.

At emergency place, Officer A wishes to initiate cast communication, informs other Officer relevant informations in group.Meanwhile, Officer B, the UE2 of C, D, UE3, UE4 wish to receive multicast information.Then first the IP multicast address of D2D communication set is mapped to D2D group air interface identifier according to predefine rule by UE1, UE2, UE3, UE4, monitors preallocated Radio Resource afterwards.Want send data UE1 by competition mode Gains resources, Figure 16 be according to example 3 of the present invention without covering scene D2D cast communication flow chart, as shown in figure 16.Compete UE1 broadcast transmission cast communication data after resource, send packet and carry at the sub-head of MAC/RLC/PDCP and be mapped to D2D group air interface identifier according to predefine rule.Optionally, cast communication packet can carry the air interface identifier of D2D cast communication indication information and UE1 at the sub-head of MAC/RLC/PDCP.

The IP multicast address that this predefine mapping ruler likely produces different D2D communication set is mapped to the situation of same D2D group air interface identifier, for this situation, the multicast address that UE can continue through IP layer judges whether it is corresponding correct D2D communication set further, judges it is receive this packet or abandon by high level.

Example 4

At emergency place, Officer A wishes to initiate cast communication, and inform other Officer relevant informations in group, meanwhile, Officer B, the UE2 of C, D, UE3, UE4 wish to receive multicast information.The UE1 sending data is wanted first to generate D2D group air interface identifier, the map information that D2D communication set application layer mark GID and D2D organizes air interface identifier is also periodically sent by the mode Gains resources of competition, Figure 17 be according to example 4 of the present invention without covering scene D2D cast communication flow chart, as shown in figure 17.UE2, UE3, UE4 monitors preallocated Radio Resource, obtain the map information that D2D communication set application layer mark GID and D2D organizes air interface identifier, then judge oneself whether also to add group corresponding to D2D communication set application layer mark GID, if it is preserve the map information that D2D communication set application layer mark GID and D2D organizes air interface identifier.

Except periodic broadcast group identification map information, UE1 can broadcast transmission cast communication data after competing resource, send packet carries generation D2D group air interface identifier at the sub-head of MAC/RLC/PDCP.Optionally, cast communication packet can carry the air interface identifier of D2D cast communication indication information and UE1 at the sub-head of MAC/RLC/PDCP.

Officer B, the UE2 of C, D, UE3 and UE4 monitor the public safety Radio Resource known in advance.Suppose UE2, UE3, UE4 have listened to Packet Generation, then receive this packet, resolve the D2D group air interface identifier of the sub-head of MAC/RLC/PDCP.UE2 with UE3 judges that this D2D air interface identifier D2D air interface identifier corresponding with the D2D communication set belonging to oneself is consistent, then UE2 and UE3 carries out MAC/RLC/PDCP dissection process further and deliver to high-rise.The member oneself not belonging to D2D group corresponding to this D2D group mark is then judged for UE4, therefore abandons this packet.

The mode that this UE oneself generates D2D group air interface identifier likely produces different UE by the situation of different D2D communication set application layer identity map to same D2D group air interface identifier, for this situation, UE can continue through the air interface identifier of the UE1 that cast communication packet carries, or the D2D group information that the multicast address of IP layer or application layer are carried judges whether it is corresponding correct D2D communication set further, judges it is receive this packet or abandon by high level.In addition also likely occur that different UE is by the situation of same D2D communication set application layer identity map to different D2D group air interface identifier, therefore monitoring UE needs while preservation D2D communication set application layer mark and D2D group air interface identifier mapping relations, the corresponding air interface identifier sending UE of record, for the judgement process that follow-up multicast communication data packet receives.

Example 5

In public safety scene, Officer A, B, C, D use the public safety UE1 possessing D2D function, UE2, UE3 and UE4.Officer A, B, C, D have subscribed public safety service, and UE1, UE2, UE3 configuration belongs to D2D communication set X, and UE4 belongs to D2D communication set Y.At Officer A, before B, C, D arrive emergency place, know D2D broadcast communication mark BID and the wireless resource information for public safety in advance, wherein wireless resource information can comprise frequency and band information.After arrival emergency place, UE is not in network coverage, but UE1, UE2, UE3, UE4 are each other in D2D communication range.

At emergency place, Officer A wishes to initiate broadcast communication, informs other Officer relevant informations in group.Then the UE1 of Officer A monitors preallocated Radio Resource service condition, by competition mode Gains resources, Figure 18 be according to example 5 of the present invention without covering scene D2D broadcast communication flow chart, as shown in figure 18.Compete UE1 broadcast transmission packet after resource, institute sends packet and carries preallocated D2D broadcast communication at the sub-head of MAC/RLC/PDCP and identify BID.Optionally, broadcast communication data bag can carry the air interface identifier information of D2D broadcast communication instruction and UE1 at the sub-head of MAC/RLC/PDCP.

Officer B, the UE2 of C, D, UE3 and UE4 monitor the public safety Radio Resource known in advance.Suppose UE2, UE3, UE4 have listened to Packet Generation, then receive this packet, and resolve the D2D broadcast communication mark of the sub-head of MAC/RLC/PDCP, judgement is after broadcast communication, then carry out MAC/RLC/PDCP dissection process further and deliver to high-rise.

Embodiment two

The present embodiment has provided D2D multicast and broadcast communication establishing method under central node covering scene.The feature of this embodiment is the distribution having central node to carry out resource coordination and D2D multicast/broadcast air interface identifier.Central node can be eNB, also can be the execution resource that UE serves as and the common UE identifying distribution.This embodiment can be used for public safety scene, also can be used for business scenario.Elaborate below by way of example 6 to example 9.

Example 6

In public safety scene, Officer A, B, C, D use the public safety UE1 possessing D2D function, UE2, UE3 and UE4.Officer A, B, C, D have subscribed public safety service, and UE1, UE2, UE3 configuration belongs to D2D communication set X, and UE4 belongs to D2D communication set Y.At Officer A, before B, C, D arrive emergency place, know D2D communication set application layer mark GID in advance.After arrival emergency place, although UE in network coverage or without the network coverage in the central node coverage chosen, and UE1, UE2, UE3, UE4 are each other in D2D communication range.

At emergency place, Officer A wishes to initiate cast communication, informs other Officer relevant informations in group.Then first the UE1 of Officer A sends group communication request message to CN/eNB, and D2D communication set application layer mark GID, Figure 19 that this message comprises the distribution obtained in advance have covering scene D2D cast communication flow chart according to example 6 of the present invention, as shown in figure 19.In addition also communication set priority can be comprised in group communication request message, the QoS information etc. of one or more group business stream.

After CN/eNB node receives this message, carry out call access control, according to the cast communication Business Stream QoS information that cast communication request message comprises, determine the multicast/broadcast communication traffic streams accepted, and distribute group communication air interface identifier G-RNTI and interface-free resources configuration.If Business Stream needs to continue for some time, as voice or video, then CN/eNB can be it and distributes semi-static scheduling of resource.

After CN/eNB completes call access control and Resourse Distribute, send group communication acknowledge message to UE1, wherein comprise the Business Stream of receiving, the G-RNTI of distribution, distribute to the interface-free resources of cast communication and configuration information etc.Multicast interface-free resources packets of information is containing the combination in any of following field: the frequency of cast communication, band resource, frame/sub-frame offset, sub-frame mode, time slot, Resource Block, resource repetition period etc.The resource allocation information of corresponding resource can be comprised in addition, as resource bearing mark, media access control MAC configuration information, wireless spread-spectrum technology RLC configuration information, PDCP PDCP configuration information, logic channel configuration information.

In addition the map information of CN/eNB periodic broadcast transmission D2D communication set application layer mark GID and group communication air interface identifier G-RNTI, and the sub-frame mode information that cast communication is corresponding.In addition can the resource allocation information of resource corresponding to broadcast transmission, as resource bearing mark, media access control MAC configuration information, wireless spread-spectrum technology RLC configuration information, PDCP PDCP configuration information, logic channel configuration information.Accordingly, the map information of the D2D communication set application layer mark GID and group communication air interface identifier G-RNTI of UE1, UE2, UE3, UE4 receive periodic broadcast.UE2 with UE3 judges that the D2D communication set application layer mark GID received is consistent with knowing D2D communication set application layer mark GID in advance, then UE2 and UE3 preserves the mapping of D2D communication set application layer mark GID and group communication air interface identifier G-RNTI, the sub-frame mode that cast communication is corresponding and resource allocation information, and configure accordingly according to resource allocation information.

The resource that UE1 distributes at CN/eNB sends D2D cast communication packet, and its packet can carry D2D group air interface identifier.As UE1 can carry D2D group air interface identifier and/or D2D multicast indication field at the sub-head of MAC/RLC/PDCP.Or the D2D cast communication packet that UE1 sends uses D2D group air interface identifier to carry out scrambling.Or what the D2D cast communication packet that UE1 sends used CN/eNB to distribute corresponds to the resource of D2D group air interface identifier, D2D cast communication packet carries D2D group air interface identifier information by what send the resource location implicit expression of packet use.

UE2, UE3 and UE4 are interested in reception D2D multicast, and UE2 and UE3 has obtained the D2D group air interface identifier of D2D communication set X.UE2 and UE3 to monitor corresponding subframe according to sub-frame mode information corresponding to the cast communication obtained before and receives D2D multicast packet.If receive D2D multicast packet, then further according to scrambling situation, resource location or the sub-head of MAC/RLC/PDCP judge the D2D air interface identifier corresponding to this D2D multicast packet.If judge the D2D group that this D2D air interface identifier adds corresponding to UE2 and UE3, then UE2 and UE3 completes the dissection process of MAC/RLC/PDCP and delivers to high-rise.

Example 7

In public safety scene, Officer A, B, C, D use the public safety UE1 possessing D2D function, UE2, UE3 and UE4.Officer A, B, C, D have subscribed public safety service, and UE1, UE2, UE3 configure and belong to D2D communication set X, and UE4 belongs to D2D communication set Y.At Officer A, before B, C, D arrive emergency place, know D2D communication set application layer mark GID in advance.After arrival emergency place, although UE in network coverage or without the network coverage in the central node coverage chosen, and UE1, UE2, UE3, UE4 are each other in D2D communication range.

At emergency place, Officer A wishes to initiate cast communication, informs other Officer relevant informations in group.Then first the UE1 of Officer A sends group communication request message to CN/eNB, and D2D communication set application layer mark GID, Figure 20 that this message comprises the distribution obtained in advance have covering scene D2D cast communication flow chart according to example 7 of the present invention, as shown in figure 20.In addition also communication set priority can be comprised in group communication request message, the QoS information etc. of one or more group business stream.

After CN/eNB node receives this message, carry out call access control, according to the cast communication Business Stream QoS information that cast communication request message comprises, determine the cast communication Business Stream accepted, and distribute group communication air interface identifier G-RNTI and interface-free resources configuration.

After CN/eNB completes call access control and Resourse Distribute, send group communication acknowledge message to UE1, group communication acknowledge message can comprise the Business Stream information of receiving.In addition the map information of CN/eNB periodic broadcast transmission D2D communication set application layer mark GID and group communication air interface identifier G-RNTI.Accordingly, the map information of the D2D communication set application layer mark GID and group communication air interface identifier G-RNTI of UE1, UE2, UE3, UE4 receive periodic broadcast.UE2 with UE3 judges that the D2D communication set application layer mark GID received is consistent with knowing D2D communication set application layer mark GID in advance, then UE2 and UE3 preserves the map information of D2D communication set application layer mark GID and group communication air interface identifier G-RNTI.

CN/eNB broadcast transmission comprises the schedule information of D2D group communication Resourse Distribute afterwards, can comprise the indication information of transmitting terminal UE1 in this schedule information.D2D communication set X interested UE1, UE2 and UE3 are detected for resource allocation information corresponding to corresponding D2D group air interface identifier.If detect that resource allocation information exists, then the resource that UE1 distributes at CN/eNB sends D2D cast communication packet, D2D cast communication packet carries D2D group air interface identifier information by the resource location implicit expression that sends packet and use.

UE2, UE3 monitor and receive D2D multicast packet on the Resourse Distribute corresponding to D2D communication set X detected, complete the dissection process of MAC/RLC/PDCP and deliver to high-rise.

Example 8

At emergency place, Officer A wishes to initiate cast communication, informs other Officer relevant informations in group.Then first the UE1 of Officer A sends group communication request message to CN/eNB, and D2D communication set application layer mark GID, Figure 21 that this message comprises the distribution obtained in advance have covering scene D2D cast communication flow chart according to example 8 of the present invention, as shown in figure 21.

After CN/eNB node receives this message, carry out call access control, and distribute group communication air interface identifier G-RNTI and interface-free resources configuration.If Business Stream needs to continue for some time, as voice or video, then CN/eNB can be it and distributes semi-static scheduling of resource.

After CN/eNB completes call access control and Resourse Distribute, send group communication acknowledge message to UE1.In addition CN/eNB periodic broadcast transmission D2D communication set application layer mark GID and group communication air interface identifier G-RNTI map information and not for the D2D cast communication resource of particular UE.Multicast interface-free resources packets of information is containing the combination in any of following field: the frequency of cast communication, band resource, frame/sub-frame offset, sub-frame mode, time slot, Resource Block, resource repetition period etc.Accordingly, the map information of the D2D communication set application layer mark GID and group communication air interface identifier G-RNTI of UE1, UE2, UE3, UE4 receive periodic broadcast.UE1, UE2 with UE3 judges that the D2D communication set application layer mark GID received is consistent with knowing D2D communication set application layer mark GID in advance, then UE1, UE2 and UE3 preserve map information and the D2D cast communication interface-free resources information of D2D communication set application layer mark GID and group communication air interface identifier G-RNTI.

Afterwards UE1 monitor CN/eNB distribute not for the D2D cast communication Radio Resource service condition of particular UE, by competition mode Gains resources.Compete UE1 broadcast transmission cast communication data after resource, institute sends packet and carries preallocated D2D group at the sub-head of MAC/RLC/PDCP and identify.Optionally, cast communication packet can carry the air interface identifier information of the instruction of D2D cast communication and UE1 at the sub-head of MAC/RLC/PDCP.

Officer B, the UE2 of C, D, UE3 according to get not for the D2D cast communication wireless resource information of particular UE, monitor at described Radio Resource.Suppose UE2, UE3 has listened to Packet Generation, then receive this packet, resolves the D2D group mark of the sub-head of MAC/RLC/PDCP.UE2 and UE3 judges the member oneself belonging to D2D group corresponding to this D2D group mark, then UE2 and UE3 carries out MAC/RLC/PDCP dissection process further and deliver to high-rise.

Example 9

In public safety scene, Officer A, B, C use the public safety UE1 possessing D2D function, UE2, UE3.Officer A, B, C have subscribed public safety service.After arrival emergency place, although UE in network coverage or without the network coverage in the central node coverage chosen, and UE1, UE2, UE3 are each other in D2D communication range.

At emergency place, Officer A wishes to initiate broadcast communication, inform other Officer relevant informations, then first the UE1 of Officer A sends broadcast communication request message to CN/eNB, this message comprises can comprise communication set priority, the QoS information etc. of one or more broadcasting service stream, Figure 22 has covering scene D2D cast communication flow chart according to example 9 of the present invention, as shown in figure 22.

After CN/eNB node receives this message, carry out call access control, distribute broadcast communication air interface identifier B-RNTI and interface-free resources configuration.If Business Stream needs to continue for some time, as voice or video, then CN/eNB can be it and distributes semi-static scheduling of resource.

After CN/eNB completes call access control and Resourse Distribute, send broadcast communication acknowledge message to UE1, wherein comprise the Business Stream of receiving, the B-RNTI of distribution, distribute to the interface-free resources etc. of broadcast communication.Broadcast interface-free resources packets of information is containing the combination in any of following field: the frequency of broadcast communication, band resource, frame/sub-frame offset, sub-frame mode, time slot, Resource Block, resource repetition period etc.

In addition CN/eNB periodic broadcast transmission broadcast communication air interface identifier B-RNTI and sub-frame mode information corresponding to broadcast communication.Accordingly, UE1, UE2, UE3 and preserve receive periodic broadcast broadcast communication air interface identifier B-RNTI and broadcast communication sub-frame mode information.

The resource that UE1 distributes at CN/eNB sends D2D broadcast communication data bag, and its packet can carry D2D and broadcast air interface identifier.As UE1 can carry D2D broadcast identification and or D2D broadcast indication field at the sub-head of MAC/RLC/PDCP.Or the D2D broadcast communication data bag that UE1 sends uses D2D broadcast air interface identifier to carry out scrambling.

UE2 and UE3 is interesting to reception D2D broadcast, and UE2 and UE3 has obtained D2D broadcast air interface identifier.UE2 and UE3 to monitor corresponding subframe according to sub-frame mode information corresponding to the broadcast communication obtained before and receives D2D broadcast data packet.If receive packet; then judge to correspond to whether this packet is broadcast packet according to scrambling situation or the broadcast air interface identifier of the sub-head protection of MAC/RLC/PDCP further, if it is UE2 and UE3 completes the dissection process of MAC/RLC/PDCP and delivers to high-rise.

Example 10

In public safety scene, Officer A, B, C use the public safety UE1 possessing D2D function, UE2, UE3.Officer A, B, C have subscribed public safety service.At Officer A, B, C arrive before emergency place, know that D2D broadcast communication is eated dishes without rice or wine B-RNTI information in advance.After arrival emergency place, although UE in network coverage or without the network coverage in the central node coverage chosen, and UE1, UE2, UE3 are each other in D2D communication range.

At emergency place, Officer A wishes to initiate broadcast communication, informs other Officer relevant informations in group.Then first the UE1 of Officer A sends broadcast communication request message to CN/eNB, Figure 23 has covering scene D2D broadcast communication flow chart according to example 10 of the present invention, as shown in figure 23, after CN/eNB node receives this message, carry out call access control, and distribute and or adjustment broadcast communication interface-free resources configuration.

After CN/eNB completes call access control and Resourse Distribute, send broadcast communication acknowledge message to UE1.In addition the periodic broadcast transmission of CN/eNB is not for the D2D broadcast communication resource of particular UE.Broadcast interface-free resources packets of information is containing the combination in any of following field: the frequency of broadcast communication, band resource, frame/sub-frame offset, sub-frame mode, time slot, Resource Block, resource repetition period etc.Accordingly, UE1, UE2, UE3 receive and the D2D broadcast communication resource information of retention cycle broadcast.

Afterwards UE1 monitor CN/eNB distribute not for the D2D broadcast communication Radio Resource service condition of particular UE, by competition mode Gains resources.Compete UE1 broadcast transmission broadcast communication data after resource, institute sends packet and carries preallocated D2D broadcast air interface identifier at the sub-head of MAC/RLC/PDCP.Optionally, broadcast communication data bag can carry the air interface identifier information of D2D broadcast communication instruction and UE1 at the sub-head of MAC/RLC/PDCP.

UE2, UE3 according to get not for the D2D broadcast communication wireless resource information of particular UE, monitor at described Radio Resource.Suppose UE2, UE3 has listened to Packet Generation, then receive this packet, and the D2D resolving the sub-head of MAC/RLC/PDCP broadcasts air interface identifier, carries out MAC/RLC/PDCP dissection process further and delivers to high-rise.

Embodiment three

The present embodiment provides D2D multicast and broadcast communication establishing method under part covering scene.The feature of this embodiment is that central node can not cover all UE carrying out the communication of D2D multicast/broadcast, and UE still needs independently to complete the mapping of resource contention and D2D multicast/broadcast air interface identifier or predefined mode obtains.Elaborate below by way of example 11.

Example 11

In public safety scene, Officer A, B, C use the public safety UE1 possessing D2D function, UE2, UE3.Officer A, B, C, D have subscribed public safety service, and UE1, UE2, UE3 configure and belong to D2D communication set X.At Officer A, before B, C arrive emergency place, know D2D multicast/broadcast communication air interface identifier information in advance and the resource collection information of broadcast/group broadcast communication may be used for.After arriving emergency place, UE1 is in network coverage, and UE2 and UE3 is without the network coverage, UE1 in addition, UE2, and UE3 is each other in D2D communication range.

At emergency place, Officer A wishes to initiate broadcast/group broadcast communication, informs other Officer relevant informations in group.Then first the UE1 of OfficerA sends broadcast/group broadcast communication request message to CN/eNB, and Figure 24 has covering scene D2D broadcast communication flow chart according to example 11 of the present invention, as shown in figure 24.After CN/eNB node receives this message, carry out call access control, and distribute and/or adjust not for the broadcast/group broadcast communication interface-free resources configuration of particular UE, the resource collection information that the D2D broadcast/group broadcast that this resource distribution should be known in advance with UE communicates is consistent, can be its subset.

After CN/eNB completes call access control and Resourse Distribute, send broadcast/group broadcast communication acknowledge message to UE1.In addition CN/eNB periodic broadcast transmission broadcast/group broadcast air interface identifier and corresponding not for the D2D broadcast/group broadcast communication resource of particular UE.Broadcast/group broadcast interface-free resources packets of information is containing the combination in any of following field: the frequency of multicast/broadcast communication, band resource, frame/sub-frame offset, sub-frame mode, time slot, Resource Block, resource repetition period etc.Accordingly, UE1, UE2, UE3 receive and the D2D broadcast/group broadcast communication resource information of retention cycle broadcast.

Afterwards UE1 monitor CN/eNB distribute not for the D2D cast communication Radio Resource service condition of particular UE, by competition mode Gains resources.Compete UE1 broadcast transmission cast communication data after resource, send packet and carry preallocated D2D broadcast/group broadcast air interface identifier at the sub-head of MAC/RLC/PDCP.Optionally, broadcast/group broadcast communication data packet can carry the air interface identifier information of D2D broadcast/group broadcast communication instruction and UE1 at the sub-head of MAC/RLC/PDCP.

UE2 according to get not for the D2D broadcast/group broadcast communication radio resource information of particular UE, monitor at described Radio Resource.And UE3 is according to knowing the resource collection information that may be used for broadcast/group broadcast communication in advance, corresponding resource is monitored.Suppose UE2, UE3 has listened to Packet Generation, then receive this packet, and the D2D resolving the sub-head of MAC/RLC/PDCP broadcasts air interface identifier, carries out MAC/RLC/PDCP dissection process further and delivers to high-rise.

Example 12

At emergency place, Officer A wishes to initiate cast communication, informs other Officer relevant informations in group.Then first the UE1 of Officer A sends group communication request message to CN/eNB, this message comprises the D2D communication set application layer mark GID of the distribution obtained in advance, Figure 25 is the part covering scene D2D cast communication flow chart according to example 12 of the present invention, as shown in figure 25.In addition also communication set priority can be comprised in group communication request message, the QoS information etc. of one or more group business stream.

In addition the map information of CN/eNB periodic broadcast transmission D2D communication set application layer mark GID and group communication air interface identifier G-RNTI, and the sub-frame mode information that cast communication is corresponding.In addition can the resource allocation information of resource corresponding to broadcast transmission, as resource bearing mark, media access control MAC configuration information, wireless spread-spectrum technology RLC configuration information, PDCP PDCP configuration information, logic channel configuration information.Accordingly, the map information of the D2D communication set application layer mark GID and group communication air interface identifier G-RNTI of UE1, UE2 receive periodic broadcast.Meanwhile, the map information of UE1 periodic broadcast transmission D2D communication set application layer mark GID and group communication air interface identifier G-RNTI, and the resource information that cast communication is corresponding.In addition can the resource allocation information of resource corresponding to broadcast transmission.UE2 with UE3 judges that the D2D communication set application layer mark GID received is consistent with knowing D2D communication set application layer mark GID in advance, then UE2 and UE3 preserves the mapping of D2D communication set application layer mark GID and group communication air interface identifier G-RNTI, the resource that cast communication is corresponding and resource allocation information, and configure accordingly according to resource allocation information.

UE2, UE3 are interested in reception D2D multicast, and UE2 and UE3 has obtained the D2D group air interface identifier of D2D communication set X.UE2 and UE3 to monitor corresponding subframe according to sub-frame mode information corresponding to the cast communication obtained before and receives D2D multicast packet.If receive D2D multicast packet, then further according to scrambling situation, resource location or the sub-head of MAC/RLC/PDCP judge the D2D air interface identifier corresponding to this D2D multicast packet.If judge the D2D group that this D2D air interface identifier adds corresponding to UE2 and UE3, then UE2 and UE3 completes the dissection process of MAC/RLC/PDCP and delivers to high-rise.

Obviously, those skilled in the art should be understood that, above-mentioned of the present invention each module or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on network that multiple calculation element forms, alternatively, they can realize with the executable program code of calculation element, thus, they can be stored and be performed by calculation element in the storage device, and in some cases, step shown or described by can performing with the order be different from herein, or they are made into each integrated circuit modules respectively, or the multiple module in them or step are made into single integrated circuit module to realize.Like this, the present invention is not restricted to any specific hardware and software combination.

The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.

Claims

1. a device-to-device D2D multicast/broadcast communication processing method, is characterized in that, comprising:

Obtain the resource information that air interface identifier and/or described D2D multicast/broadcast for identifying the communication of D2D multicast/broadcast communicate;

In the resource that described resource information is corresponding, D2D multicast/broadcast communication process is carried out according to described air interface identifier.

2. method according to claim 1, is characterized in that, carries out D2D multicast/broadcast communication process comprise according to described air interface identifier in the resource that described resource information is corresponding:

In the resource that described resource information is corresponding, D2D multicast/broadcast communication data packet is sent according to described air interface identifier; And/or,

In the resource that described resource information is corresponding, D2D multicast/broadcast communication data packet is received according to described air interface identifier.

3. method according to claim 1, is characterized in that, the described air interface identifier obtained for identifying the communication of D2D multicast/broadcast comprise following one of at least:

Described air interface identifier is obtained from D2D application server;

According to the first pre-defined rule, by D2D multicast/broadcast application layer identity map is obtained described air interface identifier to the mode of air interface identifier;

According to the second pre-defined rule, by D2D multicast/broadcast IP address maps is obtained described air interface identifier to the mode of air interface identifier;

The described air interface identifier that acquisition system is given tacit consent in advance;

Described air interface identifier is generated according to D2D multicast/broadcast application layer mark;

Obtain described air interface identifier from adjacent node, wherein, described adjacent node periodic broadcast comprises the message of described air interface identifier;

Obtain described air interface identifier from central node, wherein, described central node is used for controlling the communication of described D2D multicast/broadcast.

4. method according to claim 3, is characterized in that, obtains described air interface identifier comprise from described central node:

The D2D multicast/broadcast communication request comprising D2D multicast/broadcast application layer mark is sent to described central node;

Receive the described air interface identifier that described central node distributes according to described D2D multicast/broadcast communication request.

5. method according to claim 3, is characterized in that, obtains described air interface identifier comprise from described central node:

Receiving package is containing the message of described air interface identifier, and described message is sent by described central node by the mode of periodic broadcast.

6. method according to claim 1, is characterized in that, obtain be used for the described resource information of described D2D multicast/broadcast communication comprise following one of at least:

Described resource information is obtained from D2D application server;

Obtain the described resource information of system default;

The mode of competition is adopted to obtain described resource information;

Obtain described resource information from adjacent node, wherein, described adjacent node periodic broadcast comprises the message of described resource information;

Obtain described resource information from central node, wherein, described central node is used for controlling the communication of described D2D multicast/broadcast.

7. method according to claim 6, is characterized in that, obtains described resource information comprise from described central node:

Receiving package is containing the message of described resource information, and described message is sent by described central node by the mode of periodic broadcast.

8. method according to claim 6, is characterized in that, obtains described resource information comprise from described central node:

D2D multicast/broadcast communication request is sent to described central node;

Receive the described resource information of the resource that described central node distributes according to described D2D multicast/broadcast communication request.

9. method according to claim 8, is characterized in that, described multicast/broadcast communication request include following one of at least:

D2D multicast/broadcast application layer mark, D2D multicast/broadcast IP address, multicast/broadcast communication instruction, D2D multicast/broadcast priority, one or more multicast/broadcast communication traffic streams service quality QoS information.

10. method according to claim 9, it is characterized in that, when described multicast/broadcast communication request comprises one or more multicast/broadcast communication traffic streams service quality QoS information, the described resource information receiving the resource that described central node distributes according to described D2D multicast/broadcast communication request comprises:

Receive the multicast/broadcast communication acknowledge message that described central node sends, wherein, described one or more multicast/broadcast communication traffic streams service quality QoS information that described central node comprises according to described multicast/broadcast communication request carry out call access control, determine the multicast/broadcast communication traffic streams accepted, described multicast/broadcast communication acknowledge message comprise following one of at least: the resource information of described resource, the described multicast/broadcast communication traffic streams of acceptance that described central node distributes.

11. methods according to any one of claim 6 to 10, is characterized in that, described resource information include following one of at least:

The frequency point information of multicast/broadcast communication, the band resource information of multicast/broadcast communication, the frame offset information of multicast/broadcast communication, the sub-frame offset information of multicast/broadcast communication, the sub-frame mode information of multicast/broadcast communication, the gap information of multicast/broadcast communication, the resource block information of multicast/broadcast communication, the resource repetition period information of multicast/broadcast communication, the described D2D multicast/broadcast air interface identifier corresponding with described resource information, send the identification information of the subscriber equipment of D2D multicast/broadcast communication data packet.

12. methods according to any one of claim 6 to 10, is characterized in that, below the resource allocation information that described resource information comprises corresponding resource one of at least:

Resource bearing identifies, media access control MAC configuration information, wireless spread-spectrum technology RLC configuration information, PDCP PDCP configuration information, logic channel configuration information.

13. methods according to claim 2, is characterized in that, send described D2D multicast/broadcast communication data packet comprise according to described air interface identifier in the resource that described resource information is corresponding:

Described resource sends the described D2D multicast/broadcast communication data packet carrying D2D multicast/broadcast air interface identifier and/or the instruction of D2D multicast/broadcast.

14. methods according to claim 13, it is characterized in that, in described resource, one of at least send the described D2D multicast/broadcast communication data packet carrying described D2D multicast/broadcast air interface identifier and/or the instruction of described D2D multicast/broadcast in the following manner:

By carrying the mode of described D2D multicast/broadcast air interface identifier and/or the instruction of described D2D multicast/broadcast in the media access control MAC/sub-head of wireless spread-spectrum technology RLC/ PDCP PDCP of described D2D multicast/broadcast communication data packet, described resource sends the described D2D multicast/broadcast communication data packet carrying described D2D multicast/broadcast air interface identifier and/or the instruction of described D2D multicast/broadcast;

By adopting described D2D multicast/broadcast air interface identifier and/or D2D multicast/broadcast to indicate the mode of described D2D multicast/broadcast communication resource distribution control information and/or packet being carried out to scrambling, described resource sends the described D2D multicast/broadcast communication data packet carrying described D2D multicast/broadcast air interface identifier and/or the instruction of described D2D multicast/broadcast;

By sending the mode of carrying described D2D multicast/broadcast air interface identifier and/or the instruction of described D2D multicast/broadcast of the resource location implicit expression that described D2D multicast/broadcast communication data packet uses, described resource sends the described D2D multicast/broadcast communication data packet carrying described D2D multicast/broadcast air interface identifier and/or the instruction of described D2D multicast/broadcast, wherein, the described resource location sending the use of described D2D multicast/broadcast communication data packet corresponds to described D2D multicast/broadcast air interface identifier and/or the instruction of described D2D multicast/broadcast.

15. methods according to claim 2, is characterized in that, receive described D2D multicast/broadcast communication data packet comprise according to described air interface identifier in the resource that described resource information is corresponding:

Judge whether the recipient of described D2D multicast/broadcast communication data packet belongs to multicast/broadcast communication set corresponding to described air interface identifier according to described air interface identifier;

When judged result is for being, dissection process is carried out to described D2D multicast/broadcast communication data packet, and the Packet Generation after parsing is given high-rise; And/or, when judged result is no, abandon described D2D multicast/broadcast communication data packet.

16. 1 kinds of device-to-device D2D multicast/broadcast communication processing apparatus, is characterized in that, comprising:

Acquisition module, the resource information that air interface identifier and/or described D2D multicast/broadcast for obtaining for identifying the communication of D2D multicast/broadcast communicate;

Processing module, for carrying out D2D multicast/broadcast communication process according to described air interface identifier in the resource that described resource information is corresponding.

17. devices according to claim 16, is characterized in that, described processing module comprises:

Transmitting element, for sending D2D multicast/broadcast communication data packet according to described air interface identifier in the resource that described resource information is corresponding; And/or,

Receiving element, for receiving D2D multicast/broadcast communication data packet according to described air interface identifier in the resource that described resource information is corresponding.

18. devices according to claim 16, is characterized in that, described acquisition module comprise following one of at least:

First acquiring unit, for obtaining described air interface identifier from D2D application server;

Second acquisition unit, for according to the first pre-defined rule, by obtaining described air interface identifier by D2D multicast/broadcast application layer identity map to the mode of air interface identifier;

3rd acquiring unit, for according to the second pre-defined rule, by obtaining described air interface identifier by D2D multicast/broadcast IP address maps to the mode of air interface identifier;

4th acquiring unit, for obtaining the described air interface identifier that system is given tacit consent in advance;

Generation unit, for generating described air interface identifier according to D2D multicast/broadcast application layer mark;

5th acquiring unit, for obtaining described air interface identifier from adjacent node, wherein, described adjacent node periodic broadcast comprises the message of described air interface identifier;

6th acquiring unit, for obtaining described air interface identifier from central node, wherein, described central node is used for controlling the communication of described D2D multicast/broadcast.

19. devices according to claim 18, is characterized in that, described 5th acquiring unit comprises:

First sends subelement, for sending the D2D multicast/broadcast communication request comprising D2D multicast/broadcast application layer mark to described central node;

First receives subelement, for receiving the described air interface identifier that described central node distributes according to described D2D multicast/broadcast communication request.

20. devices according to claim 16, is characterized in that, described acquisition module comprise following one of at least:

7th acquiring unit, for obtaining described resource information from D2D application server;

8th acquiring unit, for obtaining the described resource information of system default;

9th acquiring unit, obtains described resource information for adopting the mode of competition;

Tenth acquiring unit, for obtaining described resource information from adjacent node, wherein, described adjacent node periodic broadcast comprises the message of described resource information;

11 acquiring unit, for obtaining described resource information from central node, wherein, described central node is used for controlling the communication of described D2D multicast/broadcast.

21. devices according to claim 20, is characterized in that, described 11 acquiring unit comprises:

Second sends subelement, for sending D2D multicast/broadcast communication request to described central node;

Second receives subelement, for receiving the described resource information of the resource that described central node distributes according to described D2D multicast/broadcast communication request.

22. devices according to claim 17, is characterized in that, described transmitting element comprises:

3rd sends subelement, for sending the described D2D multicast/broadcast communication data packet carrying D2D multicast/broadcast air interface identifier and/or the instruction of D2D multicast/broadcast in described resource.

23. devices according to claim 22, is characterized in that, the described 3rd send subelement comprise following one of at least:

First sends time subelement, for the mode by carrying described D2D multicast/broadcast air interface identifier and/or the instruction of described D2D multicast/broadcast in the media access control MAC/sub-head of wireless spread-spectrum technology RLC/ PDCP PDCP of described D2D multicast/broadcast communication data packet, described resource sends the described D2D multicast/broadcast communication data packet carrying described D2D multicast/broadcast air interface identifier and/or the instruction of described D2D multicast/broadcast;

Second sends time subelement, for by adopting described D2D multicast/broadcast air interface identifier and/or D2D multicast/broadcast to indicate the mode of described D2D multicast/broadcast communication resource distribution control information and/or packet being carried out to scrambling, described resource sends the described D2D multicast/broadcast communication data packet carrying described D2D multicast/broadcast air interface identifier and/or the instruction of described D2D multicast/broadcast;

3rd sends time subelement, for the mode of carrying described D2D multicast/broadcast air interface identifier and/or the instruction of described D2D multicast/broadcast by sending the resource location implicit expression that described D2D multicast/broadcast communication data packet uses, described resource sends the described D2D multicast/broadcast communication data packet carrying described D2D multicast/broadcast air interface identifier and/or the instruction of described D2D multicast/broadcast, wherein, the described resource location sending the use of described D2D multicast/broadcast communication data packet corresponds to described D2D multicast/broadcast air interface identifier and/or the instruction of described D2D multicast/broadcast.

24. devices according to claim 17, is characterized in that, described receiving element comprises:

Judgment sub-unit, for judging according to described air interface identifier whether the recipient of described D2D multicast/broadcast communication data packet belongs to multicast/broadcast communication set corresponding to described air interface identifier;

Resolving subelement, for when the judged result of described judgment sub-unit is for being, dissection process being carried out to described D2D multicast/broadcast communication data packet, and the Packet Generation after parsing is given high-rise; And/or, abandon subelement, for when the judged result of described judgment sub-unit is no, abandon described D2D multicast/broadcast communication data packet.

25. 1 kinds of subscriber equipmenies, is characterized in that, comprise the device according to any one of claim 16 to 24.