CN102958066A

CN102958066A - Method and device for D2D (door-to-door) terminal communication

Info

Publication number: CN102958066A
Application number: CN2011102555025A
Authority: CN
Inventors: 常俊仁
Original assignee: Huawei Technologies Co Ltd
Current assignee: Honor Device Co Ltd
Priority date: 2011-08-31
Filing date: 2011-08-31
Publication date: 2013-03-06
Anticipated expiration: 2031-08-31
Also published as: CN102958066B; WO2013029462A1

Abstract

The invention discloses a method and a device for D2D (door-to-door) terminal communication. The method comprises the following steps that: a first user device obtains information related with a distance, wherein the distance is a distance between the first user device and a second user device; the first user device reports the information related with the distance to a base station; the first user device or the second user device sends a first device-to-device caching state report to the base station, wherein the first device-to-device caching state report comprises a caching state report of the first user device and/or a caching state report of the second user device; and the first user device receives the first device-to-device caching state report responding to the base station, distributes the resources and transmitting powers used by device-to-device communication between the first user device and the second user device according to the information related with the distance, and performs the device-to-device communication based on the distributed resources and the distributed transmitting powers used by the device-to-device communication between the first user device and the second user device.

Description

D2D terminal communicating method and equipment

Technical field

The present invention relates to the communication technology, be specifically related to a kind of device-to-device (Device to Device, D2D) terminal communicating method and equipment.

Background technology

In subzone network, subscriber equipment (User Equipment, UE, that is to say a terminal) in the time of will communicating with other other subscriber equipmenies, need to pass through the base station, for example carry out centralized control by the base station (Evolved NodeB, eNB) in Long Term Evolution (Long Term Evolution, the LTE) network.Through the benefit of eNB be eNB can the centralized control residential quarter in the use of Radio Resource, effectively disturb control.But, in two closer situations of subscriber equipment distance, still communicate by eNB, then can bring the waste of Radio Resource.

Along with the development of the communication technology, need in-plant transfer of data between the increasing subscriber equipment, for example carry out sharing of data, mutual blit sheet, business card etc. all is typical short-range communication.Therefore how in subzone network, use the mandate frequency range of operator to carry out the direct transfer of data of subscriber equipment and begin to be taken seriously.D2D equipment is a kind of resource of frequency range of cellular communications networks and equipment that other D2D equipment carries out the immediate data transmission of utilizing.Not causing again the interference to the user of traditional subzone network when how improving transmission rate as far as possible in D2D communication is the problem that needs solve.

Summary of the invention

The embodiment of the invention reduces the interference to traditional subzone network by D2D terminal communicating method, system and equipment as far as possible in D2D communication.

For solving the problems of the technologies described above, the embodiment of the invention provides following technical scheme.

According to an aspect of the present invention, provide a kind of terminal communicating method of device-to-device, having comprised: first user equipment obtains the information with distance dependent, and wherein, described distance is the distance between first user equipment and the second subscriber equipment; First user equipment is reported information described and distance dependent to the base station; First user equipment or the second subscriber equipment send the first device-to-device buffer status report to the base station, and described the first device-to-device buffer status report comprises the buffer status report of first user equipment and/or the buffer status report of described the second subscriber equipment; First user equipment receives resource and the transmitting power that base station in response is communicated by letter and used in the first device-to-device buffer status report, the described first user equipment that distributes with the information of distance dependent of foundation and the device-to-device between the second subscriber equipment, and carries out device-to-device based on the resource that first user equipment and the device-to-device communication between the second subscriber equipment of described distribution are used with transmitting power and communicate by letter.

According to another aspect of the present invention, provide a kind of terminal communicating method of device-to-device, having comprised: the base station is from the information of first user equipment reception with distance dependent, and wherein, described distance is the distance between first user equipment and the second subscriber equipment; The base station receives the first device-to-device buffer status report from first user equipment or the second subscriber equipment, and described the first device-to-device buffer status report comprises the buffer status report of first user equipment and/or the buffer status report of described the second subscriber equipment; The base station is resource and the transmitting power that first user equipment and the device-to-device communication of the second user equipment allocation between first user equipment and the second subscriber equipment are used, and described resource and transmitting power are that base station in response is in the first device-to-device buffer status report, definite according to described information with distance dependent.

According to another aspect of the present invention, provide a kind of terminal communicating method of device-to-device, having comprised: first user equipment sends positional information or the location aided rebroadcast information of first user equipment and the second subscriber equipment to the base station; Receive described base station according to the virtual subdistrict communication Indication message of described positional information or the transmission of location aided rebroadcast information, described virtual subdistrict communication Indication message comprises the operable communication resource information of described virtual subdistrict; Wherein, described virtual subdistrict comprises first user equipment and the second subscriber equipment; Described first user equipment and the second subscriber equipment utilize the operable communication resource of described virtual subdistrict to communicate.

According to another aspect of the present invention, a kind of terminal communicating method of device-to-device is provided, comprise: the base station receives positional information or the location aided rebroadcast information of first user equipment and the second subscriber equipment from first user equipment, perhaps receive respectively the positional information of first user equipment and the positional information of the second subscriber equipment from first user equipment and the second subscriber equipment, perhaps receive respectively the location aided rebroadcast information of first user equipment and the location aided rebroadcast information of the second subscriber equipment from first user equipment and the second subscriber equipment; The base station according to described positional information or location aided rebroadcast information to described first user equipment and the operable communication resource of the second user equipment allocation virtual subdistrict; Send the virtual subdistrict Indication message of communicate by letter to first user equipment and the second subscriber equipment, the described virtual subdistrict Indication message of communicating by letter comprises the operable communication resource information of described virtual subdistrict; Wherein, described virtual subdistrict comprises first user equipment and the second subscriber equipment.

According to another aspect of the present invention, a kind of terminal communication device of device-to-device of user equipment side is provided, has comprised: acquiring unit is used for obtaining the information with distance dependent, wherein, described distance is the distance between first user equipment and the second subscriber equipment; Reporting unit is used for information described to the base station report and distance dependent; Transmitting element is used for sending the first device-to-device buffer status report to the base station, and described the first device-to-device buffer status report comprises the buffer status report of first user equipment and/or the buffer status report of described the second subscriber equipment; Receiving element, for resource and the transmitting power of communicating by letter and using in response to the first device-to-device buffer status report, the described first user equipment that distributes with the information of distance dependent of foundation and the device-to-device between the second subscriber equipment from the base station reception, and carry out device-to-device based on the resource that first user equipment and the device-to-device communication between the second subscriber equipment of described distribution are used with transmitting power and communicate by letter.

According to another aspect of the present invention, a kind of terminal communication device of device-to-device of base station side is provided, it is characterized in that, comprise: the first receiving element, be used for from the information of first user equipment reception with distance dependent, wherein, described distance is the distance between first user equipment and the second subscriber equipment; The second receiving element, be used for receiving the first device-to-device buffer status report from first user equipment or the second subscriber equipment, described the first device-to-device buffer status report comprises the buffer status report of first user equipment and/or the buffer status report of described the second subscriber equipment; Allocation units, the resource and the transmitting power that are used to the device-to-device communication between first user equipment and the second subscriber equipment of first user equipment and the second user equipment allocation to use, described resource and transmitting power are that base station in response is in the first device-to-device buffer status report, definite according to described information with distance dependent.

According to another aspect of the present invention, a kind of terminal communication device of device-to-device of user equipment side is provided, it is characterized in that, comprising: transmitting element is used for to positional information or the location aided rebroadcast information of base station transmission first user equipment and the second subscriber equipment; Receiving element is used for receiving described base station according to the virtual subdistrict communication Indication message of described positional information or the transmission of location aided rebroadcast information, and described virtual subdistrict communication Indication message comprises the operable communication resource information of described virtual subdistrict; Wherein, described virtual subdistrict comprises first user equipment and the second subscriber equipment; Communication unit is used for utilizing the operable communication resource of described virtual subdistrict to communicate.

According to another aspect of the present invention, a kind of terminal communication device of device-to-device of base station side is provided, it is characterized in that, comprise: receiving element, be used for receiving from first user equipment positional information or the location aided rebroadcast information of first user equipment and the second subscriber equipment, perhaps receive respectively the positional information of first user equipment and the positional information of the second subscriber equipment from first user equipment and the second subscriber equipment, perhaps receive respectively the location aided rebroadcast information of first user equipment and the location aided rebroadcast information of the second subscriber equipment from first user equipment and the second subscriber equipment; Allocation units are used for according to described positional information or location aided rebroadcast information to described first user equipment and the operable communication resource of the second user equipment allocation virtual subdistrict; Transmitting element is used for sending the virtual subdistrict Indication message of communicate by letter to first user equipment and the second subscriber equipment, and the described virtual subdistrict Indication message of communicating by letter comprises the operable communication resource information of described virtual subdistrict; Wherein, described virtual subdistrict comprises first user equipment and the second subscriber equipment.

The embodiment of the invention had both realized the D2D terminal direct communication by the resource of the UE of two D2D of reasonable distribution communication, and that avoids effectively also that D2D communication communicates by letter with conventional cell interferes with each other, and has improved the frequency spectrum service efficiency of residential quarter.For the situation of the same data volume of two UE transmission, compare the communication mode of cell pattern, can save Radio Resource according to the D2D communication plan of the embodiment of the invention.

Description of drawings

In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.

Fig. 1 shows the D2D communication means flow chart of realizing in the UE side according to an embodiment of the invention;

Fig. 2 shows the D2D terminal communicating method of realizing in base station side according to an embodiment of the invention;

Fig. 3 shows the flow chart of D2D terminal communicating method according to an embodiment of the invention;

Fig. 4 shows according to an embodiment of the invention the flow chart of the D2D terminal communicating method of realizing in base station side;

Fig. 5 shows the according to an embodiment of the invention terminal communication device of the device-to-device of user equipment side;

Fig. 6 shows the according to an embodiment of the invention terminal communication device of the device-to-device of base station side;

Fig. 7 shows the according to an embodiment of the invention terminal communication device of the device-to-device of user equipment side;

Fig. 8 shows the according to an embodiment of the invention terminal communication device of the device-to-device of base station side.

Embodiment

The below is elaborated to D2D terminal communicating method, system and equipment.

Need to prove that the communication means of the described D2D terminal of the embodiment of the invention refers to the method for the direct communication between terminal equipment and the terminal equipment, and described communication is undertaken by the frequency spectrum resource that uses subzone network.

Embodiment 1

Fig. 1 shows the D2D communication means flow chart of realizing in the UE side according to an embodiment of the invention.As seen, described D2D communication means comprises:

Step 110, UE1 obtain and UE1 and UE2 between the information of distance dependent.

For this reason, UE1 can detect UE2, and estimates distance between UE1 and the UE2 based on detection signal.In embodiments of the present invention, " with the information of distance dependent " has widely implication." with the information of distance dependent " can comprise the communication distance that utilizes length or time representation, information on path loss, very-short-reach communication request indication or the combination in any they between relevant with communication distance.

Wherein, UE1 can be for example by the signal delay that communicates between UE1 and the UE2 or signal fadeout obtains and UE1 and UE2 between the information of distance dependent.In addition, preferably, when UE2 was detected, UE1 also can obtain the sign of UE2.

Step 120, UE1 report information described and distance dependent to the base station.

In an embodiment of the invention, UE1 can report to the base station described and information distance dependent.In yet another embodiment of the present invention, UE1 can be in the information of and distance dependent described to the base station report, to the sign of base station report UE2.

In a specific embodiment of the present invention, can judge that distance between UE1 and the UE2 is whether less than predetermined threshold value in the UE side.For this reason, when UE1 based on and the information of Range-based when determining that distance between UE1 and the UE2 is less than predetermined threshold value, the described information with distance dependent to the base station report of UE1.In addition, after the sign of base station report UE2, UE1 can also further receive the notice that the base station has established a communications link with UE2 from the base station at UE1.

In another embodiment of the present invention, can judge in the base station that also distance between UE1 and the UE2 is whether less than predetermined threshold value.For this reason, need to determine distance between UE1 and the UE2 in the base station whether during less than predetermined threshold value, UE1 can receive that the base station sends reports directive command with distance dependent information; Then respond the order of base station, UE1 reports information described and distance dependent to the base station.In addition, when judging described distance less than predetermined threshold value in the base station based on the information of described and distance dependent, UE1 can also receive from the base station the notice that establishes a communications link with UE2.

Step 130, UE1 or UE2 send a D2D buffer status report to the base station, and a described D2D buffer status report comprises the buffer status report of UE1 and/or the buffer status report of described UE2.

In an embodiment of the invention, UE1 and UE2 can be respectively send to the base station with separately D2D buffer status report.

In yet another embodiment of the present invention, also can consult by the UE side, unify to send buffer status report by one among UE1 and the UE2.For example, if negotiation result is to be unified to send by UE1, then UE2 can send self buffer status report to UE1, and can unify to send a D2D buffer status report to the base station by UE1.Wherein, a described D2D buffer status report can comprise the buffer status report of a UE (being UE1) and/or the 2nd UE (being UE2).Specifically, when UE1 and UE2 all needed resource to send data, a described D2D buffer status report can comprise the buffer status report of UE1 and UE2; When only UE1 needed resource to send data, a described D2D buffer status report can only comprise the buffer status report of UE1; When only UE2 needed resource to send data, a described D2D buffer status report can only comprise the buffer status report of UE2.

In yet another embodiment of the present invention, also can specify one among UE1 and the UE2 to send buffer status report by the base station.In this case, UE1 and UE2 can receive the Indication message of base station, and described Indication message is used to specify UE1 or UE2 sends a D2D buffer status report; Then, UE1 or UE2 send a D2D buffer status report according to the appointment of base station, and a described D2D buffer status report comprises the buffer status report of a UE and/or the 2nd UE.

In yet another embodiment of the present invention, when UE1 or UE2 send a D2D buffer status report information, there are not enough resources to send a D2D buffer status report information.In this case, UE1 or UE2 can send first a D2D dispatch request to the base station, a described D2D dispatch request comprises the dispatch request of UE1 or the dispatch request of UE2, and perhaps the dispatch request of UE1 and UE2 sends a D2D buffer status report information with request base station assigns resource.

Step 140, UE1 and UE2 receive the resource that base station in response is communicated by letter and used in a D2D buffer status report, the described UE1 that distributes with the information of distance dependent of foundation and the D2D between the UE2 from the base station, can also comprise further the D2D operable transmitting power of communicating by letter, described transmitting power can be that the D2D communication of base station appointment allows the maximum transmission power that uses.The buffer status report of a UE has represented the data volume of this UE institute buffer memory, is used for for the reference of base station as Resources allocation.Usually the data volume of buffer memory is more, and more resources can be distributed for UE in the base station.The base station can determine to be these two UE Resources allocation based on described distance.Be appreciated that the distance of working as two UE is nearer, the transmitted power between these two UE can be lower, is not easy other subscriber equipment is produced interference, and this moment, the base station can be this two UE Resources allocation.The base station can be carried out in described distance the operation of described Resources allocation during less than certain thresholding.

The resource that UE1 and UE2 use based on UE1 and the communication of the D2D between the UE2 of described distribution is carried out D2D communication based on certain transmitting power.

In an embodiment of the invention, UE1 and UE2 can receive the base station and send the resource information allocate, and described resource information comprises the resource ratio that UE1 and UE2 can use; Then, UE1 and the UE2 resource that can use the base station to allocate in the resource ratio in the resource information.In addition, preferably, the transmitting power of base station appointment is maximum transmission power.

In a preferred embodiment of the present invention, described resource information can also comprise the effective time of resource, for this reason, and the resource that UE1 and UE2 can use the base station to allocate according to effective time and the resource ratio of resource.If described resource ratio is 1: 1, then these two UE can within effective time, use described resource according to 1: 1 ratio.Be the time that UE can use described resource the effective time of resource.

In another preferred embodiment of the present invention, when in the transmission resource of distributing for UE1 or UE2 surplus resources being arranged, UE1 or UE2 can increase to send in the packet that sends and finish to identify, so that described remaining transmission resource can be used by UE2 or UE1.Perhaps, when the transmission resource of distributing for UE1 or UE2 had surplus resources, UE1 or UE2 sent to UE2 or UE1 and finish identification information, so that described remaining transmission resource can be used by UE2 or UE1.By such processing, can further improve resource utilization.

In addition, in the D2D communication means according to the embodiment of the invention, by reasonable distribution resource between two UE, both realize the D2D terminal direct communication, also effectively avoided interfering with each other of D2D communication and cell communication, improved the frequency efficiency of residential quarter.For the situation of the same data volume of two UE transmission, compare the communication mode of cell pattern, can save the Radio Resource of half according to the scheme of the embodiment of the invention.

Embodiment 2

Abovely from the UE side D2D terminal communicating method according to the embodiment of the invention has been described in conjunction with Fig. 1, correspondingly, the D2D terminal communicating method that the embodiment of the invention also provides in base station side.

Fig. 2 shows the D2D terminal communicating method of realizing in base station side according to an embodiment of the invention.As seen, described D2D communication means comprises:

Step 210, base station are from the information of UE1 reception with distance dependent, and wherein, described distance is the distance between UE1 and the UE2.

In an embodiment of the invention, the base station can receive described and information distance dependent from UE1.In another embodiment of the present invention, when the base station can receive the information of described and distance dependent from UE1, receive the sign of UE2.

In a specific embodiment of the present invention, can judge that distance between UE1 and the UE2 is whether less than predetermined threshold value in the UE side.For this reason, when UE1 based on and the information of Range-based when determining that distance between UE1 and the UE2 is less than predetermined threshold value, the base station can receive described and information distance dependent from UE1.In addition, after the base station received the sign of UE2 from UE1, the base station can also further send beep-page message to UE2, after establishing a communications link with UE2, can send the notice that establishes a communications link with UE2 to UE1.

In another embodiment of the present invention, can judge in the base station that also distance between UE1 and the UE2 is whether less than predetermined threshold value.For this reason, think that in the base station UE1 and UE2 may carry out D2D and communicate by letter, thereby need to judge distance between UE1 and the UE2 whether during less than predetermined threshold value that the base station can report directive command with distance dependent information to the UE1 transmission; Then the base station receives information described and distance dependent from UE1.In addition, in the base station based on the information of described and distance dependent and when judging that distance between UE1 and the UE2 is less than predetermined threshold value, the base station can send beep-page message to UE2, after establishing a communications link with UE2, further can send the notice that establishes a communications link with UE2 to UE1.

Step 220, base station receive a D2D buffer status report from UE1 or UE2, and a described D2D buffer status report comprises the buffer status report of UE1 and/or the buffer status report of UE2.

In an embodiment of the invention, the base station can be respectively from UE1 and UE2 reception D2D buffer status report separately.

In yet another embodiment of the present invention, one that the base station can be from UE1 and UE2 receives a D2D buffer status report.Wherein, consult by the UE side, unify to send buffer status report by one among UE1 and the UE2.For example, if negotiation result is to be unified to send by UE1, then UE2 can send self buffer status report to UE1, like this, the base station receives a D2D buffer status report from UE1.Wherein, a described D2D buffer status report can comprise the buffer status report of UE1 and/or UE2.Specifically, when UE1 and UE2 all needed resource to send data, a described D2D buffer status report can comprise the buffer status report of UE1 and UE2; When only UE1 needed resource to send data, a described D2D buffer status report can only comprise the buffer status report of UE1; When only UE2 needed resource to send data, a described D2D buffer status report can only comprise the buffer status report of UE2.

In yet another embodiment of the present invention, also can specify one among UE1 and the UE2 to send buffer status report by the base station.In this case, the base station sends Indication message to UE1 and UE2, and described Indication message is used to specify UE1 or UE2 sends a D2D buffer status report; Then, the base station receives a D2D buffer status report from UE1 or the UE2 of appointment, and a described D2D buffer status report comprises the buffer status report of a UE and/or the 2nd UE.

In yet another embodiment of the present invention, when UE1 or UE2 send a D2D buffer status report information, there are not enough resources to send a D2D buffer status report information.In this case, the base station can receive a D2D dispatch request from UE1 or UE2 first, and a described D2D dispatch request comprises the dispatch request of UE1 or the dispatch request of UE2, the perhaps dispatch request of UE1 and UE2; Then, the base station sends a D2D buffer status report information to UE1 and/or UE2 Resources allocation.

Step 230, base station are that a UE and the 2nd UE are distributed in the resource that the D2D communication between a UE and the 2nd UE is used, can also comprise further the D2D operable transmitting power of communicating by letter, described transmitting power can be that the D2D communication of base station appointment allows the maximum transmission power that uses.

Described resource and transmitting power are that base station in response is in a D2D buffer status report, definite according to described information with distance dependent.

In an embodiment of the invention, the base station can send the resource information of allocating to UE1 and UE2, described resource information comprises the resource ratio that UE1 and UE2 can use, so that the resource that UE1 and UE2 can use the base station to allocate in the resource ratio in the resource information.In addition, preferably, the transmitting power of base station appointment is maximum transmission power.

In a preferred embodiment of the present invention, described resource information can also comprise the effective time of resource, and for this reason, the base station can indicate UE1 and UE2 to use the resource of allocating in the resource ratio in the resource of base station appointment in effective time.Here, we are referred to as long-term half-persistence scheduling resources with this resource distribution mode, i.e. Long-Term SPS (Semi-persistent scheduling) resource.

Like this, in the D2D communication means according to the embodiment of the invention, the Long-Term SPS resource information by two UE of reasonable distribution had both realized the D2D terminal direct communication, also effectively avoid interfering with each other of D2D communication and cell communication, improved the frequency efficiency of residential quarter.For the situation of the same data volume of two UE transmission, compare the communication mode of cell pattern, can save the Radio Resource of half according to the scheme of the embodiment of the invention.

Embodiment 3

In addition, the embodiment of the invention also provides a kind of D2D terminal communicating method.

Fig. 3 shows the flow chart of D2D terminal communicating method according to an embodiment of the invention.Described D2D communication means comprises:

Step 310, UE1 send positional information or the location aided rebroadcast information of UE1 and UE2 to the base station, perhaps UE1 and UE2 send respectively positional information or location aided rebroadcast information to the base station.

In an embodiment of the invention, UE2 can send to UE1 with the positional information of self, and then UE1 sends positional information or the location aided rebroadcast information of UE1 and UE2 to the base station.Wherein, described location aided rebroadcast information is can be for the information of the position of deriving UE1 and UE2, and for example, described location aided rebroadcast information can comprise the positional information of UE1 and the range information between UE1 and the UE2.

In yet another embodiment of the present invention, also can be UE1 and UE2 send respectively self to the base station positional information.

Step 320, receive the virtual subdistrict communication Indication message that described base station sends according to described positional information or location aided rebroadcast information.

In an embodiment of the invention, virtual subdistrict communication Indication message comprises by the operable communication resource information of the virtual subdistrict of base station assigns, described communication resource information comprises UE1 and UE2 carries out D2D and communicates by letter and allow the information of the Radio Resource that uses, such as the carrier information that allows to use etc.Wherein, described virtual subdistrict comprises UE1 and UE2 at least.In yet another embodiment of the present invention, among UE1 and the UE2 which can also further comprise the main UE indication information of virtual subdistrict in order to indicate main UE be to virtual subdistrict communication Indication message; Perhaps, virtual subdistrict communication Indication message can further comprise main UE indication information and the auxiliary UE indication information of virtual subdistrict, in order to indicate main UE and auxiliary UE in UE1 and UE2.The base station can two UE of base determining positions whether allow the virtual subdistrict communication of described two UE.Be appreciated that the distance of working as two UE is nearer, for example less than certain thresholding, then this transmitted power of practicing between the UE can be lower, is not easy other subscriber equipment is produced interference, and the base station can allow virtual subdistrict communication at this moment.

Specifying the processing of main UE and auxiliary UE by the base station is example, the invention is not restricted to this, and main UE and auxiliary UE also can be come to determine by UE through consultation.Preferably, after the UE side was determined main UE and auxiliary UE, UE1 or UE2 can also report to the base station described definite main UE or report determined main UE and auxiliary UE.

Step 330, UE1 and/or UE2 utilize the operable communication resource of described virtual subdistrict of described base station assigns to communicate.

What in an embodiment of the invention, main UE and auxiliary UE can receive respectively the base station transmission is one or more groups pre-configured modulating-coding form and/or transmission power information of described virtual subdistrict.Described one or more groups modulating-coding form and/or transmission power information can by the virtual subdistrict communication Indication message carrying of step 320, perhaps be carried by the message of special use.Then, main UE and auxiliary UE consult to determine virtual subdistrict communicate by letter operable modulating-coding form and/or transmitting power and mutually communicate by letter based on one or more groups the pre-configured modulating-coding form that receives and/or transmission power information.

In yet another embodiment of the present invention, main UE receives virtual subdistrict pre-configured one or more groups modulating-coding form and/or transmission power information that the base station sends, and transmits virtual subdistrict pre-configured one or more groups modulating-coding form and/or transmission power information to auxiliary UE.Afterwards, main UE consults to determine the operable modulating-coding form of described virtual subdistrict and/or transmitting power and mutually communicate by letter based on described one or more groups pre-configured modulating-coding form and/or transmission power information with auxiliary UE.

Determine the occupation mode of resource by the negotiation between the UE in the virtual subdistrict except above-mentioned, also can be determined by main UE the occupation mode of the resource used in virtual subdistrict communication.Namely determine main UE communicate by letter with auxiliary UE the adjustment coded format used and both sides' transmitting power by main UE.At this moment, main UE notifies the information of determined adjustment coded format and/or transmitting power to auxiliary UE.

In yet another embodiment of the present invention, the pre-configured of modulating-coding form and/or transmitting power also can not carried out in the base station, but can determine D2D communicate by letter operable modulating-coding form and/or transmitting power by main UE, and the operable modulating-coding form of determining to auxiliary UE notice and/or the information of transmitting power.

Above-mentioned pre-configured transmission power information can be respectively for the specific transmitting power of each modulating-coding form or also can be to allow the maximum transmission power that uses in D2D communication.

In the D2D communication means according to above-described embodiment, the D2D Microcell that the position-based information structure is virtual, the base station can independently be selected for UE flexibly for information such as the pre-configured several groups of modulating-coding forms of the D2D equipment in the virtual subdistrict and corresponding maximum transmission power, perhaps by main UE Autonomous determination D2D communicate by letter operable modulating-coding form and/or transmitting power, can avoid like this base station that D2D equipment is dispatched frequently.Therefore, with respect to existing technology, the embodiment of the invention can reduce the traffic, the raising control channel utilance of UE and eNB.

Embodiment 4

Similar with the D2D terminal communicating method of above-mentioned UE side, the embodiment of the invention also provides a kind of terminal communicating method of base station side.

Fig. 4 shows according to an embodiment of the invention the flow chart of the D2D terminal communicating method of realizing in base station side.Described D2D communication means comprises:

Receiving position information or location aided rebroadcast information are perhaps distinguished from a UE and the 2nd UE from positional information or location aided rebroadcast information that a UE receives a UE and the 2nd UE in step 410, base station.

In an embodiment of the invention, UE2 can send to UE1 with the positional information of self, and then the base station receives positional information or the location aided rebroadcast information of UE1 and UE2 from UE1.Wherein, described location aided rebroadcast information is to derive the information of the position of UE1 and UE2, and for example, described location aided rebroadcast information can comprise the positional information of UE1 and the range information between UE1 and the UE2.

In yet another embodiment of the present invention, the base station also can receive respectively their positional informations separately from UE1 and UE2.

Step 420, send the virtual subdistrict of determining according to described positional information or location aided rebroadcast information the base station Indication message of communicating by letter to a UE and the 2nd UE.

In an embodiment of the invention, virtual subdistrict communication Indication message comprises by the operable communication resource information of the virtual subdistrict of base station assigns, described communication resource information comprises UE1 and UE2 carries out D2D and communicates by letter and allow the information of the Radio Resource that uses, such as the carrier information that allows to use etc.Wherein, described virtual subdistrict comprises UE1 and UE2 at least.In yet another embodiment of the present invention, among UE1 and the UE2 which can also further comprise the main UE indication information of virtual subdistrict in order to indicate main UE be to virtual subdistrict communication Indication message; Perhaps, virtual subdistrict communication Indication message can further comprise main UE indication information and the auxiliary UE indication information of virtual subdistrict, in order to indicate main UE and auxiliary UE in UE1 and UE2.

Specifying the processing of main UE and auxiliary UE by the base station is example, the invention is not restricted to this, and main UE and auxiliary UE also can be come to determine by UE through consultation.Preferably, after the UE side was determined main UE and auxiliary UE, the base station can receive definite main UE information or definite main UE and auxiliary UE information from UE1 or UE2.

Step 430, base station send the occupation mode of the operable communication resource of described virtual subdistrict to a described UE and/or the 2nd UE.

In an embodiment of the invention, the base station can be sent as described virtual subdistrict pre-configured one or more groups modulating-coding form and/or transmission power information to main UE and auxiliary UE respectively.Described one or more groups modulating-coding form and/or transmission power information can be included in the virtual subdistrict communication Indication message of step 420, this moment,

step

430 and 420 was same step, perhaps be included in the special-purpose message, this moment, step 430 was step independently with 420.Then, main UE and auxiliary UE consult to determine virtual subdistrict communicate by letter operable modulating-coding form and/or transmitting power and mutually communicate by letter based on one or more groups the pre-configured modulating-coding form that receives and/or transmission power information.

In yet another embodiment of the present invention, the base station can be sent as virtual subdistrict pre-configured one or more groups modulating-coding form and/or transmission power information to main UE, and being transmitted to auxiliary UE by main UE is pre-configured one or more groups modulating-coding form and/or transmission power information of virtual subdistrict.Afterwards, main UE consults to determine the operable modulating-coding form of described virtual subdistrict and/or transmitting power and mutually communicate by letter based on described one or more groups pre-configured modulating-coding form and/or transmission power information with auxiliary UE.

In yet another embodiment of the present invention, the base station can be sent as virtual subdistrict pre-configured one or more groups modulating-coding form and/or transmission power information to main UE, determine operable modulating-coding form and/or transmitting power by main UE, and to definite operable modulating-coding form and/or the transmitting power of auxiliary UE notice.Perhaps, the pre-configured of modulating-coding form and/or transmitting power also can not carried out in the base station, but can determine D2D communicate by letter operable modulating-coding form and/or transmitting power by main UE, and the operable modulating-coding form of determining to auxiliary UE notice and/or the information of transmitting power.Here, described pre-configured transmission power information can be respectively for the specific transmitting power of each modulating-coding form or also can say allow the maximum transmission power that uses in D2D communication.

Above-mentioned pre-configured transmission power information can be respectively for the specific transmitting power of each modulating-coding form or also can say allow the maximum transmission power that uses in D2D communication.

In the D2D communication means according to above-described embodiment, the D2D Microcell that the position-based information structure is virtual, autonomous selection can be drawn together for the UE spirit for information such as the pre-configured several groups of modulating-coding forms of the D2D equipment in the virtual subdistrict and corresponding maximum transmission power in the base station, perhaps by main UE Autonomous determination D2D communicate by letter operable modulating-coding form and/or transmitting power, can avoid like this base station that D2D equipment is dispatched frequently.Therefore, with respect to existing technology, the embodiment of the invention can reduce the traffic, the raising control channel utilance of UE and eNB.

Similar with above-mentioned embodiment of the method, the present invention also provides corresponding device embodiment.

Fig. 5 shows the according to an embodiment of the invention terminal communication device of the device-to-device of user equipment side.

As shown in Figure 5, the terminal communication device according to the device-to-device of the user equipment side of the embodiment of the invention can comprise acquiring unit 510, reporting unit 520, transmitting element 530 and receiving element 540.

Acquiring unit can obtain the information with distance dependent, and wherein, described distance is the distance between first user equipment and the second subscriber equipment.Reporting unit can be reported to the base station described and information distance dependent.Transmitting element can send the first device-to-device buffer status report to the base station, and described the first device-to-device buffer status report comprises the buffer status report of first user equipment and/or the buffer status report of described the second subscriber equipment.Receiving element can receive from the base station resource and the transmitting power of communicating by letter and using in response to the first device-to-device buffer status report, the described first user equipment that distributes with the information of distance dependent of foundation and the device-to-device between the second subscriber equipment, and carries out device-to-device based on the resource that first user equipment and the device-to-device communication between the second subscriber equipment of described distribution are used with transmitting power and communicate by letter.

Preferably, whether reporting unit further can judge described distance less than predetermined threshold value based on described and information Range-based, when described distance during less than predetermined threshold value, and the information of and distance dependent described to the base station report.

Preferably, reporting unit can receive further that the base station sends reports directive command with distance dependent information, and the order of response base station, the information of and distance dependent described to the base station report.

Preferably, reporting unit is reported the sign of described the second subscriber equipment to the base station in the information of and distance dependent described to the base station report.

Preferably, receiving element further can be after the information of and distance dependent described to base station report, receives the notice that the base station has established a communications link with the second subscriber equipment from the base station.

Preferably, transmitting element further can receive the second buffer status report that the second subscriber equipment sends, and sending the first device-to-device buffer status report to the base station, described the first device-to-device buffer status report comprises the buffer status report of first user equipment and the buffer status report of the second subscriber equipment; Perhaps, receive the Indication message of base station, described Indication message is used to specify first user equipment or the second subscriber equipment sends the first device-to-device buffer status report; Afterwards, transmitting element can send the first device-to-device buffer status report according to described Indication message.

Preferably, before the first device-to-device buffer status report information of transmission, transmitting element further can send the first device-to-device dispatch request to the base station, described the first device-to-device dispatch request is used for sending to base station requests the resource of described the first device-to-device buffer status report, comprise the dispatch request of first user equipment or the dispatch request of the second subscriber equipment, perhaps the dispatch request of first user equipment and the second subscriber equipment.

Preferably, the resource that receiving element receives can comprise: the base station sends the resource information of allocating, and described resource information comprises the resource ratio that first user equipment and the second subscriber equipment can use; The resource that first user equipment uses the base station to allocate in described ratio.

Preferably, resource information can also comprise the effective time of resource, the resource that first user equipment uses the base station to allocate according to the effective time of described resource in described ratio ground.

Preferably, the resource used of the first user equipment of distribution and the device-to-device communication between the second subscriber equipment is included as the transmission resource that first user equipment distributes and is the transmission resource that the second subscriber equipment distributes.When the transmission resource of distributing for first user equipment or the second subscriber equipment has surplus resources, first user equipment or the second subscriber equipment increase to send in the packet that sends and finish to identify, so that described surplus resources can be used by the second subscriber equipment or first user equipment.Perhaps, when the transmission resource of distributing for first user equipment or the second subscriber equipment has surplus resources, first user equipment or the second subscriber equipment send the end identification information to the second subscriber equipment or first user equipment, so that described surplus resources can be used by the second subscriber equipment or first user equipment.

Preferably, information described and distance dependent can comprise: at least one among the range information between the information on path loss between first user equipment and the second subscriber equipment, first user equipment and the second subscriber equipment and the indication of very-short-reach communication request.

Fig. 6 shows the according to an embodiment of the invention terminal communication device of the device-to-device of base station side.

As shown in Figure 6, the terminal communication device according to the device-to-device of the base station side of the embodiment of the invention can comprise: the first receiving element 610, the second receiving element 620 and allocation units 630.The first receiving element can be from the information of first user equipment reception with distance dependent, and wherein, described distance is the distance between first user equipment and the second subscriber equipment.The second receiving element can receive the first device-to-device buffer status report from first user equipment or the second subscriber equipment, and described the first device-to-device buffer status report comprises the buffer status report of first user equipment and/or the buffer status report of described the second subscriber equipment.Resource and transmitting power that allocation units can use for the device-to-device communication between first user equipment and the second subscriber equipment of first user equipment and the second user equipment allocation, described resource and transmitting power are that base station in response is in the first device-to-device buffer status report, determine according to described information with distance dependent.

Preferably, the first receiving element further can send to first user equipment the command messages of the information of report and distance dependent, and receives information described and distance dependent from first user equipment.

Preferably, the first receiving element can when receiving the information of described and distance dependent from first user equipment, also receive the sign of described the second subscriber equipment.

Preferably, the first receiving element can establish a communications link according to the second customer equipment identification and the second subscriber equipment, and the foundation of the described communication connection of notice first user equipment.

Preferably, after the information of the reception of first user equipment and distance dependent, the first receiving element further can judge that with information distance dependent whether described distance is less than predetermined threshold value based on described; When described distance during less than predetermined threshold value, send beep-page message to the second subscriber equipment; Send the notice that establishes a communications link with the second subscriber equipment to first user equipment.

Preferably, the second receiving element further can specify first user equipment or the second subscriber equipment to send the first device-to-device buffer status report; The base station receives the first device-to-device buffer status report from first user equipment or the second subscriber equipment.

Preferably, before the base station receives the first device-to-device buffer status report from first user equipment or the second subscriber equipment, the second receiving element further can receive from the first device-to-device dispatch request of first user equipment or the report of the second subscriber equipment, described the first device-to-device dispatch request is used for sending to base station requests the resource of described the first device-to-device buffer status report, comprise the dispatch request of first user equipment or the dispatch request of the second subscriber equipment, perhaps the dispatch request of first user equipment and the second subscriber equipment.

Preferably, the resource information that allocation units further can notify first user equipment and the second subscriber equipment base station to allocate, described resource information comprise the resource ratio that first user equipment and the second subscriber equipment can use.

Preferably, resource information can also comprise the effective time of base station notice first user equipment and the second resources for user equipment.

Preferably, and the information of distance dependent can comprise: at least one in the indication of the range information between the information on path loss between first user equipment and the second subscriber equipment, first user equipment and the second subscriber equipment and very-short-reach communication request.

Fig. 7 shows the according to an embodiment of the invention terminal communication device of the device-to-device of user equipment side.

As described in Figure 7, the terminal communication device according to the device-to-device of the user equipment side of the embodiment of the invention can comprise transmitting element 710, receiving element 720 and communication unit 730.Transmitting element can send to the base station positional information or the location aided rebroadcast information of first user equipment and the second subscriber equipment.Receiving element can receive described base station according to the virtual subdistrict communication Indication message of described positional information or the transmission of location aided rebroadcast information, and described virtual subdistrict communication Indication message comprises the operable communication resource information of described virtual subdistrict; Wherein, described virtual subdistrict comprises first user equipment and the second subscriber equipment.Communication unit can utilize the operable communication resource of described virtual subdistrict to communicate.

Preferably, virtual subdistrict communication Indication message can comprise primary user's equipment indication information of described virtual subdistrict, and described primary user's equipment is any one in described first user equipment and described the second subscriber equipment.Perhaps, described virtual subdistrict communication Indication message can comprise described primary user's equipment indication information and auxiliary subscriber equipment indication information, described primary user's equipment is in described first user equipment and the second subscriber equipment, and described auxiliary subscriber equipment is another in described first user equipment and the second subscriber equipment.

Preferably, the terminal communication device according to the device-to-device of the user equipment side of the embodiment of the invention may further include negotiation element.Described negotiation element can be held consultation between described first user equipment and the second subscriber equipment, to determine primary user's equipment in described first user equipment and the second subscriber equipment, perhaps determines primary user's equipment and auxiliary subscriber equipment.

Preferably, may further include according to the terminal communication device of the device-to-device of the user equipment side of the embodiment of the invention: primary user's device report unit is used for reporting to the base station described definite primary user's equipment, perhaps primary user's equipment and auxiliary subscriber equipment.

Preferably, communication unit can be further used for: what receive the transmission of described base station is one or more groups pre-configured modulating-coding form and/or transmission power information of described virtual subdistrict; Consult to determine virtual subdistrict communicate by letter operable modulating-coding form and/or transmitting power based on described one or more groups pre-configured modulating-coding form and/or transmission power information, and mutually communicate by letter.Perhaps, communication unit can be further used for: what receive that described base station sends is described virtual subdistrict pre-configured one or more groups modulating-coding form and/or transmission power information, and to transmit described to described auxiliary subscriber equipment be pre-configured one or more groups modulating-coding form and/or transmission power information of virtual subdistrict; Consult to determine the operable modulating-coding form of described virtual subdistrict and/or transmitting power based on one or more groups the described pre-configured modulating-coding form that receives and/or transmission power information, and mutually communicate by letter.

Preferably, described communication unit can be further used for determining the occupation mode of the operable communication resource of described virtual subdistrict and notify the occupation mode of the described definite communication resource of described auxiliary subscriber equipment.

Preferably, the occupation mode of the described definite communication resource can comprise: modulating-coding form and/or transmitting power that described primary user's equipment and auxiliary subscriber equipment are communicated by letter and used at virtual subdistrict.

As shown in Figure 8, the terminal communication device according to the base station side of the embodiment of the invention can comprise receiving element 810, allocation units 820 and transmitting element 830.Receiving element can receive from first user equipment positional information or the location aided rebroadcast information of first user equipment and the second subscriber equipment, perhaps receive respectively the positional information of first user equipment and the positional information of the second subscriber equipment from first user equipment and the second subscriber equipment, perhaps receive respectively the location aided rebroadcast information of first user equipment and the location aided rebroadcast information of the second subscriber equipment from first user equipment and the second subscriber equipment.Allocation units can be according to described positional information or location aided rebroadcast information to described first user equipment and the operable communication resource of the second user equipment allocation virtual subdistrict.Transmitting element can send the virtual subdistrict Indication message of communicate by letter to first user equipment and the second subscriber equipment, and the described virtual subdistrict Indication message of communicating by letter comprises the operable communication resource information of described virtual subdistrict; Wherein, described virtual subdistrict comprises first user equipment and the second subscriber equipment.

Preferably, virtual subdistrict communication Indication message further comprises primary user's equipment indication information of described virtual subdistrict, and described primary user's equipment is any one in described first user equipment and described the second subscriber equipment.

Preferably, virtual subdistrict communication Indication message further comprises described primary user's equipment indication information and auxiliary subscriber equipment indication information, described primary user's equipment is in described first user equipment and the second subscriber equipment, and described auxiliary subscriber equipment is another in described first user equipment and the second subscriber equipment.

Preferably, described receiving element further can receive described first user equipment and the second subscriber equipment from described first user equipment or the second subscriber equipment and consult primary user's equipment of determining and the information of auxiliary subscriber equipment, described primary user's equipment is in described first user equipment and the second subscriber equipment, and described auxiliary subscriber equipment is another in described first user equipment and the second subscriber equipment.

Preferably, transmitting element further can be sent as described virtual subdistrict pre-configured one or more groups modulating-coding form and/or transmission power information to primary user's equipment and/or auxiliary subscriber equipment.

Said apparatus according to the embodiment of the invention is corresponding with method technically, can referring to the detailed description of method, no longer give unnecessary details so that specification keeps succinct at this about the ins and outs of device.

It should be appreciated by those skilled in the art that the function that is divided into of apparatus module is divided in the embodiment of the invention, actual concrete structure can be fractionation or the merging of above-mentioned functions module.

The invention described above embodiment sequence number does not represent the quality of embodiment just to description.

The scheme of the content record of claim also is the protection range of the embodiment of the invention.

One of ordinary skill in the art will appreciate that all or part of processing in above-described embodiment method is to come the relevant hardware of instruction to finish by program, described program can be stored in a kind of computer-readable recording medium.

The above is preferred embodiment of the present invention only, is not for limiting protection scope of the present invention.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims

1. the terminal communicating method of a device-to-device is characterized in that, comprising:

First user equipment obtains the information with distance dependent, and wherein, described distance is the distance between first user equipment and the second subscriber equipment;

First user equipment is reported information described and distance dependent to the base station;

First user equipment or the second subscriber equipment send the first device-to-device buffer status report to the base station, and described the first device-to-device buffer status report comprises the buffer status report of first user equipment and/or the buffer status report of described the second subscriber equipment;

First user equipment receives resource and the transmitting power that base station in response is communicated by letter and used in the first device-to-device buffer status report, the described first user equipment that distributes with the information of distance dependent of foundation and the device-to-device between the second subscriber equipment, and carries out device-to-device based on the resource that first user equipment and the device-to-device communication between the second subscriber equipment of described distribution are used with transmitting power and communicate by letter.

2. the method for claim 1 is characterized in that, first user equipment reports that to the base station processing of the information of described and distance dependent comprises:

Whether first user equipment judges described distance less than predetermined threshold value based on described and information Range-based, when described distance during less than predetermined threshold value, and the described information with distance dependent to the base station report of first user equipment.

3. the method for claim 1 is characterized in that, first user equipment reports that to the base station processing of the information of described and distance dependent comprises:

What receive that the base station sends reports directive command with distance dependent information;

Information described and distance dependent is reported in the order of response base station, first user equipment to the base station.

4. such as each described method among the claim 1-3, it is characterized in that, when first user equipment is reported the information of described and distance dependent to the base station, report the sign of described the second subscriber equipment to the base station.

5. such as each described method among the claim 1-4, it is characterized in that, after the information of and distance dependent described to base station report at first user equipment, also comprise: first user equipment receives the notice that the base station has established a communications link with the second subscriber equipment from the base station.

6. such as each described method among the claim 1-5, it is characterized in that first user equipment or the second subscriber equipment send the first device-to-device buffer status report and comprise to the processing of base station:

First user equipment receives the second buffer status report that the second subscriber equipment sends, and sending the first device-to-device buffer status report to the base station, described the first device-to-device buffer status report comprises the buffer status report of first user equipment and the buffer status report of the second subscriber equipment;

Perhaps,

Receive the Indication message of base station, described Indication message is used to specify first user equipment or the second subscriber equipment sends the first device-to-device buffer status report;

First user equipment or the second subscriber equipment send the first device-to-device buffer status report according to described Indication message.

7. such as each described method among the claim 1-6, it is characterized in that, before described first user equipment or the second subscriber equipment send the first device-to-device buffer status report information, also comprise:

First user equipment or the second subscriber equipment send the first device-to-device dispatch request to the base station, described the first device-to-device dispatch request is used for sending to base station requests the resource of described the first device-to-device buffer status report, comprise the dispatch request of first user equipment or the dispatch request of the second subscriber equipment, perhaps the dispatch request of first user equipment and the second subscriber equipment.

8. such as each described method among the claim 1-7, it is characterized in that first user equipment receives resource from the base station processing comprises:

Receive the base station and send the resource information of allocating, described resource information comprises the resource ratio that first user equipment and the second subscriber equipment can use;

The resource that first user equipment uses the base station to allocate in described ratio.

9. method as claimed in claim 8 is characterized in that, described resource information also comprises the effective time of resource, the resource that first user equipment uses the base station to allocate according to the effective time of described resource in described ratio ground.

10. such as each described method among the claim 1-9, it is characterized in that the resource that the first user equipment of described distribution and the device-to-device communication between the second subscriber equipment are used is included as the transmission resource that first user equipment distributes and is the transmission resource that the second subscriber equipment distributes;

When the transmission resource of distributing for first user equipment or the second subscriber equipment has surplus resources, first user equipment or the second subscriber equipment increase to send in the packet that sends and finish to identify, so that described surplus resources can be used by the second subscriber equipment or first user equipment;

Perhaps,

When the transmission resource of distributing for first user equipment or the second subscriber equipment has surplus resources, first user equipment or the second subscriber equipment send the end identification information to the second subscriber equipment or first user equipment, so that described surplus resources can be used by the second subscriber equipment or first user equipment.

11. such as each described method among the claim 1-10, it is characterized in that information described and distance dependent comprises: at least one among the range information between the information on path loss between first user equipment and the second subscriber equipment, first user equipment and the second subscriber equipment and the indication of very-short-reach communication request.

12. the terminal communicating method of a device-to-device is characterized in that, comprising:

The base station is from the information of first user equipment reception with distance dependent, and wherein, described distance is the distance between first user equipment and the second subscriber equipment;

The base station receives the first device-to-device buffer status report from first user equipment or the second subscriber equipment, and described the first device-to-device buffer status report comprises the buffer status report of first user equipment and/or the buffer status report of described the second subscriber equipment;

The base station is resource and the transmitting power that first user equipment and the device-to-device communication of the second user equipment allocation between first user equipment and the second subscriber equipment are used, and described resource and transmitting power are that base station in response is in the first device-to-device buffer status report, definite according to described information with distance dependent.

13. method as claimed in claim 12 is characterized in that, the base station comprises from the processing of first user equipment reception with the information of distance dependent:

The base station sends the command messages of the information of report and distance dependent to first user equipment;

The base station receives information described and distance dependent from first user equipment.

14., it is characterized in that the base station also receives the sign of described the second subscriber equipment such as claim 12 or 13 described methods when receiving the information of described and distance dependent from first user equipment.

15. such as each described method among the claim 12-14, it is characterized in that, comprise that also the base station establishes a communications link according to the second customer equipment identification and the second subscriber equipment, and the foundation of the described communication connection of notice first user equipment.

16. such as each described method among the claim 12-14, it is characterized in that,, after the information of the reception of first user equipment and distance dependent, also comprise in the base station:

The base station judges that with information distance dependent whether described distance is less than predetermined threshold value based on described;

When described distance during less than predetermined threshold value, the base station sends beep-page message to the second subscriber equipment;

Send the notice that the base station has established a communications link with the second subscriber equipment to first user equipment.

17., it is characterized in that the base station comprises from the processing that first user equipment or the second subscriber equipment receive the first device-to-device buffer status report such as each described method among the claim 12-16:

The base station specifies first user equipment or the second subscriber equipment to send the first device-to-device buffer status report; The base station receives the first device-to-device buffer status report from first user equipment or the second subscriber equipment.

18. such as each described method among the claim 12-17, it is characterized in that, before the base station receives the first device-to-device buffer status report from first user equipment or the second subscriber equipment, also comprise:

The base station receives from the first device-to-device dispatch request of first user equipment or the report of the second subscriber equipment, described the first device-to-device dispatch request is used for sending to base station requests the resource of described the first device-to-device buffer status report, comprise the dispatch request of first user equipment or the dispatch request of the second subscriber equipment, perhaps the dispatch request of first user equipment and the second subscriber equipment.

19. such as each described method among the claim 12-18, it is characterized in that, the base station is that the processing of the resource used of first user equipment and the second user equipment allocation device-to-device communication between first user equipment and the second subscriber equipment comprises: the resource information that base station notice first user equipment and the second subscriber equipment base station are allocated, described resource information comprise the resource ratio that first user equipment and the second subscriber equipment can use.

20. method as claimed in claim 19 is characterized in that, also comprises the effective time of base station notice first user equipment and the second resources for user equipment.

21. such as each described method among the claim 12-20, it is characterized in that information described and distance dependent comprises: at least one in the range information between the information on path loss between first user equipment and the second subscriber equipment, first user equipment and the second subscriber equipment and the indication of very-short-reach communication request.

22. the terminal communicating method of a device-to-device is characterized in that, comprising:

First user equipment sends positional information or the location aided rebroadcast information of first user equipment and the second subscriber equipment to the base station;

Receive described base station according to the virtual subdistrict communication Indication message of described positional information or the transmission of location aided rebroadcast information, described virtual subdistrict communication Indication message comprises the operable communication resource information of described virtual subdistrict; Wherein, described virtual subdistrict comprises first user equipment and the second subscriber equipment;

Described first user equipment and the second subscriber equipment utilize the operable communication resource of described virtual subdistrict to communicate.

23. method as claimed in claim 22 is characterized in that,

Described virtual subdistrict communication Indication message further comprises primary user's equipment indication information of described virtual subdistrict, and described primary user's equipment is any one in described first user equipment and described the second subscriber equipment; Perhaps,

Described virtual subdistrict communication Indication message further comprises described primary user's equipment indication information and auxiliary subscriber equipment indication information, described primary user's equipment is in described first user equipment and the second subscriber equipment, and described auxiliary subscriber equipment is another in described first user equipment and the second subscriber equipment.

24. method as claimed in claim 22 is characterized in that, also comprises:

Described first user equipment and the second subscriber equipment are held consultation, and to determine primary user's equipment in described first user equipment and the second subscriber equipment, perhaps determine primary user's equipment and auxiliary subscriber equipment.

25. method as claimed in claim 24 is characterized in that, also comprises:

Described first user equipment or the second subscriber equipment are reported described definite primary user's equipment, perhaps primary user's equipment and auxiliary subscriber equipment to the base station.

26., it is characterized in that the processing that described first user equipment and the second subscriber equipment utilize the operable communication resource of described virtual subdistrict to communicate comprises such as each described method of claim 23-25:

What primary user's equipment and auxiliary subscriber equipment received the transmission of described base station is one or more groups pre-configured modulating-coding form and/or transmission power information of described virtual subdistrict;

Described primary user's equipment and auxiliary subscriber equipment consult to determine virtual subdistrict communicate by letter operable modulating-coding form and/or transmitting power based on described one or more groups pre-configured modulating-coding form and/or transmission power information, and mutually communicate by letter;

Perhaps,

Primary user's equipment receives that described base station sends is described virtual subdistrict pre-configured one or more groups modulating-coding form and/or transmission power information, and to transmit described to described auxiliary subscriber equipment be pre-configured one or more groups modulating-coding form and/or transmission power information of virtual subdistrict;

Described primary user's equipment and auxiliary subscriber equipment are consulted to determine the operable modulating-coding form of described virtual subdistrict and/or transmitting power based on one or more groups the described pre-configured modulating-coding form that receives and/or transmission power information, and are mutually communicated by letter.

27., it is characterized in that the processing that described first user equipment and the second subscriber equipment utilize the operable communication resource of described virtual subdistrict to communicate comprises such as the described method of claim 23-25:

Primary user's equipment is determined the occupation mode of the operable communication resource of described virtual subdistrict and is notified the occupation mode of the described definite communication resource of described auxiliary subscriber equipment.

28. method as claimed in claim 27 is characterized in that, the occupation mode of the described definite communication resource comprises:

Modulating-coding form and/or transmitting power that described primary user's equipment and auxiliary subscriber equipment are communicated by letter and used at virtual subdistrict.

29. the terminal communicating method of a device-to-device is characterized in that, comprising:

The base station receives positional information or the location aided rebroadcast information of first user equipment and the second subscriber equipment from first user equipment, perhaps receive respectively the positional information of first user equipment and the positional information of the second subscriber equipment from first user equipment and the second subscriber equipment, perhaps receive respectively the location aided rebroadcast information of first user equipment and the location aided rebroadcast information of the second subscriber equipment from first user equipment and the second subscriber equipment;

The base station according to described positional information or location aided rebroadcast information to described first user equipment and the operable communication resource of the second user equipment allocation virtual subdistrict;

Send the virtual subdistrict Indication message of communicate by letter to first user equipment and the second subscriber equipment, the described virtual subdistrict Indication message of communicating by letter comprises the operable communication resource information of described virtual subdistrict; Wherein, described virtual subdistrict comprises first user equipment and the second subscriber equipment.

30. method as claimed in claim 29 is characterized in that:

31. method as claimed in claim 29 is characterized in that, also comprises:

The base station is from described first user equipment or the second subscriber equipment receives described first user equipment and the second subscriber equipment is consulted definite primary user's equipment and the information of auxiliary subscriber equipment, described primary user's equipment is in described first user equipment and the second subscriber equipment, and described auxiliary subscriber equipment is another in described first user equipment and the second subscriber equipment.

32. such as each described method among the claim 29-31, it is characterized in that, also comprise:

The base station is sent as described virtual subdistrict pre-configured one or more groups modulating-coding form and/or transmission power information to primary user's equipment and/or auxiliary subscriber equipment.

33. the terminal communication device of the device-to-device of a user equipment side is characterized in that, comprising:

Acquiring unit is used for obtaining the information with distance dependent, and wherein, described distance is the distance between first user equipment and the second subscriber equipment;

Reporting unit is used for information described to the base station report and distance dependent;

Transmitting element is used for sending the first device-to-device buffer status report to the base station, and described the first device-to-device buffer status report comprises the buffer status report of first user equipment and/or the buffer status report of described the second subscriber equipment;

Receiving element, for resource and the transmitting power of communicating by letter and using in response to the first device-to-device buffer status report, the described first user equipment that distributes with the information of distance dependent of foundation and the device-to-device between the second subscriber equipment from the base station reception, and carry out device-to-device based on the resource that first user equipment and the device-to-device communication between the second subscriber equipment of described distribution are used with transmitting power and communicate by letter.

34. device as claimed in claim 33 is characterized in that, described transmitting element is further used for:

Receive the second buffer status report that the second subscriber equipment sends, and sending the first device-to-device buffer status report to the base station, described the first device-to-device buffer status report comprises the buffer status report of first user equipment and the buffer status report of the second subscriber equipment;

Perhaps,

Send the first device-to-device buffer status report according to described Indication message.

35., it is characterized in that the resource that described receiving element receives comprises such as claim 33 or 34 described devices:

The base station sends the resource information allocate, and described resource information comprises the resource ratio that first user equipment and the second subscriber equipment can use;

36. the terminal communication device of the device-to-device of a base station side is characterized in that, comprising:

The first receiving element is used for from the information of first user equipment reception with distance dependent, and wherein, described distance is the distance between first user equipment and the second subscriber equipment;

The second receiving element, be used for receiving the first device-to-device buffer status report from first user equipment or the second subscriber equipment, described the first device-to-device buffer status report comprises the buffer status report of first user equipment and/or the buffer status report of described the second subscriber equipment;

Allocation units, the resource and the transmitting power that are used to the device-to-device communication between first user equipment and the second subscriber equipment of first user equipment and the second user equipment allocation to use, described resource and transmitting power are that base station in response is in the first device-to-device buffer status report, definite according to described information with distance dependent.

37. such as claim 36 a described device, it is characterized in that information described and distance dependent comprises: at least one in the range information between the information on path loss between first user equipment and the second subscriber equipment, first user equipment and the second subscriber equipment and the indication of very-short-reach communication request.

38. the terminal communication device of the device-to-device of a user equipment side is characterized in that, comprising:

Transmitting element is used for to positional information or the location aided rebroadcast information of base station transmission first user equipment and the second subscriber equipment;

Receiving element is used for receiving described base station according to the virtual subdistrict communication Indication message of described positional information or the transmission of location aided rebroadcast information, and described virtual subdistrict communication Indication message comprises the operable communication resource information of described virtual subdistrict; Wherein, described virtual subdistrict comprises first user equipment and the second subscriber equipment;

Communication unit is used for utilizing the operable communication resource of described virtual subdistrict to communicate.

39. device as claimed in claim 38 is characterized in that,

40. such as claim 38 or 39 described devices, it is characterized in that described communication unit is further used for:

What receive the transmission of described base station is one or more groups pre-configured modulating-coding form and/or transmission power information of described virtual subdistrict;

Consult to determine virtual subdistrict communicate by letter operable modulating-coding form and/or transmitting power based on described one or more groups pre-configured modulating-coding form and/or transmission power information, and mutually communicate by letter;

Perhaps,

What receive that described base station sends is described virtual subdistrict pre-configured one or more groups modulating-coding form and/or transmission power information, and to transmit described to described auxiliary subscriber equipment be pre-configured one or more groups modulating-coding form and/or transmission power information of virtual subdistrict;

Consult to determine the operable modulating-coding form of described virtual subdistrict and/or transmitting power based on one or more groups the described pre-configured modulating-coding form that receives and/or transmission power information, and mutually communicate by letter.

41. the terminal communication device of the device-to-device of a base station side is characterized in that, comprising:

Receiving element, be used for receiving from first user equipment positional information or the location aided rebroadcast information of first user equipment and the second subscriber equipment, perhaps receive respectively the positional information of first user equipment and the positional information of the second subscriber equipment from first user equipment and the second subscriber equipment, perhaps receive respectively the location aided rebroadcast information of first user equipment and the location aided rebroadcast information of the second subscriber equipment from first user equipment and the second subscriber equipment;

Allocation units are used for according to described positional information or location aided rebroadcast information to described first user equipment and the operable communication resource of the second user equipment allocation virtual subdistrict;

Transmitting element is used for sending the virtual subdistrict Indication message of communicate by letter to first user equipment and the second subscriber equipment, and the described virtual subdistrict Indication message of communicating by letter comprises the operable communication resource information of described virtual subdistrict; Wherein, described virtual subdistrict comprises first user equipment and the second subscriber equipment.

42. device as claimed in claim 41 is characterized in that: