CN105208626A

CN105208626A - Communication method of wireless network, access equipment, and user equipment

Info

Publication number: CN105208626A
Application number: CN201410265605.3A
Authority: CN
Inventors: 谢峰; 陈琳; 郝鹏; 吴栓栓; 吕开颖
Original assignee: ZTE Corp
Current assignee: ZTE Corp
Priority date: 2014-06-13
Filing date: 2014-06-13
Publication date: 2015-12-30
Also published as: WO2015188571A1

Abstract

The present invention provides a communication method of a wireless network, access equipment, and user equipment. The communication method comprises the following steps that the access equipment and the user equipment (UE) establish equipment to equipment communication, wherein the UE is connected to a specified network through the access equipment, and the access equipment forwards the data from the specified network to the UE or forwards the data from the UE to the specified network. By using the technical scheme provided by the invention, the technical problem of no realization of a wireless network with flexible deployment and without planning in the related technology is solved, thus the flexible deployment of the wireless network is realized, and the network architecture is simplified.

Description

The communication means of wireless network, access device, subscriber equipment

Technical field

The present invention relates to the communications field, especially relate to a kind of communication means of wireless network, access device, subscriber equipment (UserEquipment, referred to as UE, also can be described as terminal terminal).

Background technology

In radio honeycomb communication system, (BaseStatione, referred to as BS in base station; Be also called the Node B of evolution, evolvedNodeB, referred to as eNB) be for UE provides the equipment of wireless access, carry out radio communication by electromagnetic wave between base station and UE.A base station may provide one or more Serving cell, and wireless communication system can provide wireless coverage for the terminal within the scope of reason definitely by Serving cell.

Wireless communication system is in order to can on a large scale for user provides radio communication, need to dispose the large base station of coverage, this base station is commonly referred to macro base station (MacroeNB or MacroBS, MacroBaseStation), its Serving cell is commonly referred to macrocell (MacroCell).In addition, consider the different demand of user and different environment for use, wireless communication system needs cover cavity for user provides to make up or provide higher-quality radio communication service under some environment or scene, therefore some coverages are little, small base station that transmitting power is lower (or transmission node transmissionpoint, referred to as TP) is used.These small base stations comprise micro-base station (PicoeNB or PicoBS) and sub-base stations (FemtoeNB or FemtoBS), and wherein sub-base stations also can be called that Home eNodeB (is also called home node-b, HomeNodeB, referred to as HNB; Or HomeeNB, referred to as HeNB), femto base station or fly base station, the community that micro-base station and Home eNodeB provide is called Microcell (picocell) and Femto cell (femtocell).The node corresponding with small base station is also called low power nodes (LowPowerNode is abbreviated as LPN), and the community that these nodes are corresponding is also called small-cell (smallcell).

Improve network capacity by the mode of dense deployment small-cell or small base station, become the important means improving wireless network capacitance.But the deployment of existing base station is also dumb, such as base station belongs to Provider Equipment, the deployment of base station relates to the network planning and optimization that professional carries out, and relates to a series of work such as configuration and management of base station.Therefore, how to support a kind of can flexible deployment without the need to planning intensive wireless network extremely important.

For the above-mentioned technical problem in correlation technique, there is no solution effectively at present.

Summary of the invention

For in correlation technique, there is no the technical problems such as the solution of the wireless network without the need to planning realizing flexible deployment, the invention provides a kind of communication means of wireless network, access device, subscriber equipment, at least to solve the problems of the technologies described above.

In order to achieve the above object, according to an aspect of the present invention, provide a kind of communication means of wireless network, comprising: access device communicates to equipment D2D with user equipment (UE) apparatus for establishing, wherein, described UE is by described access device access specified network; Described access device forwards from the data of described specified network to described UE or forwards the data from described UE to described specified network.

Preferably, access device and UE set up before D2D communicates, comprise: described access device sends D2D synchronizing signal and/or finds message, wherein, described D2D finds the type and/or the title that carry described specified network in message, and/or carries the type of described specified network in D2D synchronizing signal.

Preferably, access device and UE set up before D2D communicates, comprise: described access device sends D2D synchronizing signal and/or finds message, wherein, device type is carried in described D2D synchronizing signal and/or described discovery message, this device type comprises: be used to indicate D2D synchronizing signal and/or find that whether the sender of message is the instruction of access device, and/or for distinguishing the indication information of different access devices.

Preferably, access device and UE set up before D2D communicates, and comprising: described access device sends D2D and finds message, wherein, described D2D finds that message carries the information of WLAN (wireless local area network) WLAN.

Preferably, the information of described WLAN comprise following one of at least: service set SSID, basic service set identification BSSID, carrier frequency information, channel channel information.

Preferably, described method also comprises: described UE measures D2D signal power and/or the quality of described access device; Judge whether described signal power and/or quality meet the measurement event condition of base station configuration; When satisfied, then send measurement report to described base station, wherein, described measurement report is set up D2D communication indication information and is provided decision-making foundation for described base station issues.

Preferably, described measurement report comprises: the information in the described D2D synchronizing signal of D2D signal measurements, reception and/or described discovery message.

Preferably, described measurement event condition comprises one of following: the signal measurements of D2D signal measurements higher than Serving cell and the offset parameter sum of base station configuration; The threshold value that D2D signal measurements configures higher than base station; The second threshold value that the first threshold value that D2D signal measurements configures higher than base station and the signal measurements of Serving cell configure lower than base station.

Preferably, after described base station sends measurement report, also comprise: base station sends the instruction of D2D connection setup or D2D to UE and access device and to communicate configuration information, carry in wherein said D2D connection setup instruction and/or described D2D communication configuration information: whether be the communication type of with described specified network carrying out communicate identify, and/or carry out to the described specified network of access the relevant configuration information that communicates if being used to indicate.

Preferably, access device and UE set up before D2D communicates, and comprising: the discovery resource information that base station is broadcasted or described in clean culture, access device is used by eating dishes without rice or wine, and/or the synchronous signal information that described access device is used.

Preferably, access device and UE set up before D2D communicates, comprise: described UE sends D2D synchronizing signal and/or finds message, wherein, device type is carried in described D2D synchronizing signal and/or described discovery message, this device type comprises: be used to indicate D2D synchronizing signal and/or find that whether the sender of message is in the instruction finding described access device, and/or for distinguishing the indication information finding different described access devices or different described specified networks.

Preferably, described method also comprises: described access device measures D2D signal power and/or the quality of described UE; Judge whether described signal power and/or quality meet the measurement event condition of base station configuration; When satisfied, then send measurement report to described base station, wherein, described measurement report is set up D2D communication indication information and is provided decision-making foundation for described base station issues.

Preferably, base station, to after UE and access device send the instruction of D2D connection setup, also comprises: described access device receives the instruction of described D2D connection setup; Described access device is the IP address that described UE distributes described UE and communicates with described specified network, and sends described IP address.

Preferably, described method also comprises: the discovery resource information that base station is broadcasted or described in clean culture, UE uses by eating dishes without rice or wine, and wherein, described UE is the UE finding described access device or described specified network.

Preferably, access device and user equipment (UE) apparatus for establishing also comprise before communicating to equipment D2D: the resource information that the described access device that described UE reception base station indicates is special.

Preferably, described resource information comprise following one of at least: the scheduling assignment SA resource information that described access device is special, the data asset information that described access device is special.

Preferably, described SA resource information comprises: the transmission direction indication information being used to indicate the data transfer direction of described access device.

Preferably, described access device forwards from the data of described specified network to described UE or forwards the data from described UE to described specified network, comprising: described access device forwards the data from described specified network or described UE by back haul link backhaul mode.

Preferably, described backhaul mode, comprising: wired backhaul and/or wireless backhaul.

In order to achieve the above object, according to a further aspect of the invention, additionally provide a kind of communication means of wireless network, comprising: user equipment (UE) communicates to equipment D2D with access device apparatus for establishing, wherein, described UE is by described access device access specified network; The data that described UE is sent data by described access device to described specified network or receives from described specified network.

Preferably, UE and access device are set up before D2D communicates, comprise: described UE receives the D2D synchronizing signal of described access device transmission and/or finds message, wherein, described D2D finds the type and/or the title that carry described specified network in message, and/or carries the type of described specified network in D2D synchronizing signal.

Preferably, before UE and access device apparatus for establishing communicate to equipment D2D, comprise: described UE receives the D2D synchronizing signal of described access device transmission and/or finds message, wherein, device type is carried in described D2D synchronizing signal and/or described discovery message, this device type comprises: be used to indicate the instruction whether described access device is access device, and/or for distinguishing the indication information of different access devices.

Preferably, UE and access device apparatus for establishing comprise before communicating to equipment D2D: described UE receives the D2D discovery message that described access device sends, and wherein, described D2D finds that message carries the information of WLAN (wireless local area network) WLAN.

Preferably, described method also comprises: described UE measures D2D signal power and/or the quality of described access device; Judge whether described signal power and/or quality meet the measurement event condition of base station configuration; When satisfied, then send measurement report to described base station, wherein, described measurement report is set up D2D indication information for described base station issues and is provided decision-making foundation.

Preferably, described measurement report comprises: the described D2D synchronizing signal of D2D signal measurements, reception and/or the information of described discovery message.

Preferably, after described base station sends measurement report, also comprise: UE receives the instruction of D2D connection setup or the D2D communication configuration information of the transmission of described base station, carry in wherein said D2D connection setup instruction and/or described D2D communication configuration information: whether be the communication type of with described specified network carrying out communicate identify, and/or carry out to the described specified network of access the relevant configuration information that communicates if being used to indicate.

Preferably, after UE receives the D2D connection setup instruction that described base station sends, also comprise: it is the IP address that described UE distributes described UE and communicates with specified network that described UE receives described access device.

Preferably, UE and access device apparatus for establishing comprise before communicating to equipment D2D: described UE receives the discovery resource information that base station is broadcasted or described in clean culture, access device is used by eating dishes without rice or wine, and/or the synchronous signal information that described access device is used.

Preferably, described method also comprises: described UE receives the discovery resource information that described base station is broadcasted or described in clean culture, UE uses by eating dishes without rice or wine.

Preferably, UE and access device apparatus for establishing also comprise before communicating to equipment D2D: the resource information that the described access device that described UE reception base station indicates is special.

Preferably, the data that described UE is sent data by described access device to described specified network or receives from described specified network, comprising: described UE adopts back haul link backhaul mode to be sent or reception data to described specified network by described access device.

In order to achieve the above object, according to a further aspect of the invention, a kind of access device is additionally provided, comprise: communication module, communicate for the device-to-device D2D set up between described access device and user equipment (UE), wherein, described UE is by described access device access specified network; Forwarding module, for forwarding to described UE from the data of described specified network or forwarding the data from described UE to described specified network.

In order to achieve the above object, according to a further aspect of the invention, additionally provide a kind of user equipment (UE), comprising:

Communication module, communicates for the device-to-device D2D set up between described UE and access device, and wherein, described UE is by described access device access specified network; Transceiver module, for the data being sent data by described access device to described specified network or receive from described specified network.

Pass through the present invention, adopt between access device and UE apparatus for establishing to equipment (DevicetoDevice, referred to as D2D) communication, access device is by forwarding the technological means from the data of specified network or the data to specified network forwarding UE to UE, solve in correlation technique, there is no the technical problems such as the solution of the wireless network without the need to planning realizing flexible deployment, thus realize the flexible deployment of wireless network, further, the network architecture is simplified.

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 communication means of wireless network according to the embodiment of the present invention;

Fig. 2 is the structured flowchart of the access device according to the embodiment of the present invention;

Fig. 3 is another flow chart of the communication means of wireless network according to the embodiment of the present invention;

Fig. 4 is the structured flowchart of the subscriber equipment according to the embodiment of the present invention;

Fig. 5 is the network topological diagram of the access device of the wired backhaul of support had according to the preferred embodiment of the invention in eNB base station coverage situation;

Fig. 6 is the network topological diagram of the access device of the wireless backhaul of support had according to the preferred embodiment of the invention in eNB base station coverage situation;

Fig. 7 is according to the preferred embodiment of the invention without the network topological diagram of the access device of the wired backhaul of support in eNB base station coverage situation;

Fig. 8 is according to the preferred embodiment of the invention without the network topological diagram of the access device of the wireless backhaul of support in eNB base station coverage situation;

Fig. 9 is the network topological diagram of the multiple access devices had according to the preferred embodiment of the invention in eNB base station coverage situation;

Figure 10 is according to the preferred embodiment of the invention without the network topological diagram of the multiple access devices in eNB base station coverage situation;

Figure 11 is the simplified flow chart that communicates with access device of UE according to the preferred embodiment of the invention;

Figure 12 is the flow chart having the UE under base station coverage to communicate with access device according to the preferred embodiment of the invention;

Figure 13 is the flow chart having the UE under base station coverage to communicate with access device according to the preferred embodiment of the invention;

Figure 14 is the flow chart that the UE under part covering according to the preferred embodiment of the invention communicates with access device;

Figure 15 is the flow chart that the UE under part covering according to the preferred embodiment of the invention communicates with access device;

Figure 16 is according to the preferred embodiment of the invention without the flow chart that the UE under eNB base station coverage communicates with access device;

Figure 17 is according to the preferred embodiment of the invention without another flow chart that the UE under eNB base station coverage communicates with access device.

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.

Fig. 1 is the flow chart of the communication means of wireless network according to the embodiment of the present invention.As shown in Figure 1, the method comprising the steps of S102 and step S104:

Step S102, access device and UE set up D2D and communicate, and wherein, UE accesses specified network by access device;

Step S104, access device forwards from the data of above-mentioned specified network to UE or forwards the data from UE to above-mentioned specified network.

By each treatment step above-mentioned, owing to make use of D2D communication when wireless network deployment, namely utilize the D2D between access device and UE to communicate and realize the communication of wireless network, therefore, the flexible deployment of wireless network can be realized, and, simplify the network architecture.In step S104, the mode of access device forwarding data has multiple, in a preferred implementation of the present embodiment, can adopt and forward data from above-mentioned specified network or above-mentioned UE by back haul link backhaul mode, but be not limited thereto.

Wherein, above-mentioned backhaul mode, comprising: wired backhaul and/or wireless backhaul.

The implementation of step S102 has multiple, such as, can realize in the following manner:

(1) be the D2D communication in establishment step S102, access device sends D2D synchronizing signal and/or finds message, wherein, device type is carried in D2D synchronizing signal and/or above-mentioned discovery message, this device type comprises: be used to indicate the instruction whether above-mentioned access device is access device, and/or for distinguishing the indication information of different access devices.

(2) access device sends D2D synchronizing signal and/or finds message, and wherein, this D2D finds the type and/or the title that carry above-mentioned specified network in message, and/or carries the type of above-mentioned specified network in D2D synchronizing signal.

(3) access device sends D2D and finds message, and wherein, this D2D finds that message carries the information of WLAN.Preferably, the information of this WLAN include but not limited to following one of at least: service set SSID, basic service set identification BSSID, carrier frequency, channel (channel) information.

Certainly, in a preferred embodiment, (1)-(3) are planted implementation and also can be combined arbitrarily, such as, in above-mentioned discovery message, carry following at least two information: the information of the type of specified network and/or title, device type, WLAN simultaneously.

By above-mentioned processing procedure, UE just can find this access device, thus sets up the D2D communication between access device and UE.

Before establishment step S102, the present embodiment can also perform following process: UE measures D2D signal power and/or the quality of access device; Judge whether above-mentioned signal power and/or quality meet the measurement event condition of Serving cell configuration; When satisfied, then send measurement report to above-mentioned Serving cell own base station, wherein, this measurement report is set up D2D indication information and is provided decision-making foundation for base station issues.Now, measurement report comprises: the above-mentioned D2D synchronizing signal of D2D signal measurements, reception and/or the information of above-mentioned discovery message, but is not limited thereto.Above-mentioned measurement event condition comprises one of following: the signal measurements of D2D signal measurements higher than Serving cell and the offset parameter sum of base station configuration; The threshold value that D2D signal measurements configures higher than base station; The second threshold value that the first threshold value that D2D signal measurements configures higher than base station and the signal measurements of Serving cell configure lower than base station.

In a preferred implementation process, after base station sends measurement report, base station sends the instruction of D2D connection setup or D2D to UE and access device and to communicate configuration information, wherein carry in above-mentioned D2D connection setup instruction and/or above-mentioned D2D communication configuration information: whether be the communication type of with above-mentioned specified network carrying out communicate identify, and/or carry out to the above-mentioned specified network of access the relevant configuration information that communicates if being used to indicate.

In the present embodiment, before step S102, discovery resource information (the such as time domain pattern information that base station is broadcasted or clean culture access device is used by eating dishes without rice or wine, frequency domain resource information, but be not limited thereto), and/or the synchronous signal information that above-mentioned access device is used (span of the synchronous signal sequence index of such as access device).Like this, access device just can find UE, thus sets up D2D communication.

In the present embodiment, before step S102, UE sends D2D synchronizing signal and/or finds message, wherein, device type is carried in this D2D synchronizing signal and/or above-mentioned discovery message, this device type comprises: be used to indicate D2D synchronizing signal and/or find that whether the sender of message is in the instruction finding above-mentioned access device, and/or for distinguishing the indication information finding different access devices or different above-mentioned specified networks

Now, the discovery resource information that base station can also be broadcasted or the above-mentioned UE of clean culture uses by eating dishes without rice or wine, wherein, this UE finds the UE of access device or the UE of above-mentioned specified network.Effective pairing of UE and access device can be realized like this, the process that Speed-up Establishment D2D communicates.

In a preferred implementation process, before step S102, following processing procedure can also be comprised: access device measures D2D signal power and/or the quality of UE; Judge whether above-mentioned signal power and/or quality meet the measurement event condition of base station configuration; When satisfied, then send measurement report to above-mentioned base station, wherein, above-mentioned measurement report is set up D2D communication indication information and is provided decision-making foundation for base station issues.

Measurement event condition described in the present embodiment includes but not limited to one of following: the signal measurements of D2D signal measurements (such as signal strength signal intensity and/or quality) higher than Serving cell and the offset parameter sum of base station configuration; The threshold value that D2D signal measurements configures higher than base station; The second threshold value that the first threshold value that D2D signal measurements configures higher than base station and the signal measurements of Serving cell configure lower than base station.

In the present embodiment, after sending measurement report to above-mentioned base station, base station sends the instruction of D2D connection setup or D2D to UE and access device and to communicate configuration information, wherein carry in above-mentioned D2D connection setup instruction and/or above-mentioned D2D communication configuration information: whether be used to indicate is that the communication type of carrying out communicating with above-mentioned specified network identifies, and/or to the above-mentioned specified network of the access configuration information that carries out communicating relevant (such as IP address assignment indication information, but be not limited thereto).

Base station is to after UE and access device send the instruction of D2D connection setup, and access device receives the instruction of above-mentioned D2D connection setup; Access device is the IP address that UE distribution UE communicates with above-mentioned specified network, concurrently send above-mentioned IP address, wherein, L2 such as medium education (MediaAccessControl can be passed through, referred to as MAC) control cell (ControlElement, referred to as CE) send, also can pass through IP layer or application layer, but be not limited thereto.

In the present embodiment, the discovery resource information that base station can also be broadcasted or clean culture UE uses by eating dishes without rice or wine, wherein, UE is the UE finding access device or above-mentioned specified network.

Before setting up D2D communication, the resource information that the above-mentioned access device that UE reception base station indicates is special.Like this, whether UE can be just the designated equipment accessing above-mentioned specified network according to this resource information identification access device.In a preferred embodiment, above-mentioned resource information include but not limited to following one of at least: the scheduling assignment SA resource information that above-mentioned access device is special, the data asset information that above-mentioned access device is special.Wherein, this SA resource information comprises: the transmission direction indication information being used to indicate the data transfer direction of above-mentioned access device.

In the present embodiment, additionally provide a kind of access device, for realizing said method, as shown in Figure 2, this access device comprises:

Communication module 20, communicate for the device-to-device D2D set up between access device and UE, wherein, UE accesses specified network by access device;

Forwarding module 22, is connected to communication module 20, for forwarding to UE from the data of specified network or forwarding the data from UE to specified network.

In a preferred embodiment, forwarding module 22, also for being forwarded the data from above-mentioned specified network or UE by back haul link backhaul mode, and for when above-mentioned backhaul mode comprises following information, forward the data from above-mentioned specified network or above-mentioned UE: wired backhaul and/or wireless backhaul.

It should be noted that, the modules in above-described embodiment can be realized by software or hardware.For the latter, can realize in the following manner, but be not limited thereto: communication module 20 and forwarding module 22 lay respectively in first processor and the second processor, or communication module 20 and forwarding module 22 are arranged in same processor.

In the present embodiment, also provide a kind of communication means of wireless network in user equipment side, as shown in Figure 3, the method comprises:

Step S302, UE communicate to equipment D2D with access device apparatus for establishing, and wherein, UE accesses specified network by access device;

The data that step S304, UE are sent data by access device to above-mentioned specified network or receive from above-mentioned specified network.

By each treatment step above-mentioned, owing to establishing D2D communication between UE and access device, and, UE to specified network transmission or from specified network reception data, therefore, can realize the flexible deployment of wireless network by access device, further, the network architecture is simplified.

In the present embodiment, UE adopts back haul link backhaul mode to be sent or reception data to above-mentioned specified network by above-mentioned access device.Wherein, backhaul mode, comprising: wired backhaul and/or wireless backhaul.

Before UE and access device apparatus for establishing communicate to equipment D2D, one of following process can also be performed:

(1) UE receives the D2D synchronizing signal of above-mentioned access device transmission and/or finds message, wherein, device type is carried in above-mentioned D2D synchronizing signal and/or above-mentioned discovery message, this device type comprises: be used to indicate the instruction whether above-mentioned access device is access device, and/or for distinguishing the indication information of different access devices.

(2) UE receives the D2D synchronizing signal of described access device transmission and/or finds message, and wherein, D2D finds the type and/or the title that carry above-mentioned specified network in message, and/or carries the type of above-mentioned specified network in D2D synchronizing signal.

(3) UE receives the D2D discovery message that access device sends, and wherein, D2D finds that message carries the information of WLAN (wireless local area network) WLAN.Now the information of WLAN include but not limited to following one of at least: service set SSID, basic service set identification BSSID, carrier frequency, channel channel information.

Now, UE measures D2D signal power and/or the quality of above-mentioned access device; Judge whether above-mentioned signal power and/or quality meet the measurement event condition of Serving cell configuration; When satisfied, then send measurement report to above-mentioned Serving cell own base station, wherein, above-mentioned measurement report is set up D2D indication information for above-mentioned base station issues and is provided decision-making foundation.

Following information is included but not limited to: the above-mentioned D2D synchronizing signal of D2D signal measurements, reception and/or the information of above-mentioned discovery message in above-mentioned measurement report.

Before UE and access device apparatus for establishing communicate to equipment D2D, UE receives the discovery resource information that base station is broadcasted by eating dishes without rice or wine or the above-mentioned access device of clean culture is used, and/or the synchronous signal information that above-mentioned access device is used.Now UE receives the discovery resource information that above-mentioned base station is broadcasted or the above-mentioned UE of clean culture uses by eating dishes without rice or wine.

In a preferred embodiment, above-mentioned measurement event condition comprises one of following: the signal measurements of D2D signal measurements higher than Serving cell and the offset parameter sum of base station configuration; The threshold value that D2D signal measurements configures higher than base station; The second threshold value that the first threshold value that D2D signal measurements configures higher than base station and the signal measurements of Serving cell configure lower than base station.

In the present embodiment, after above-mentioned Serving cell own base station sends measurement report, also comprise: above-mentioned UE receives the instruction of D2D connection setup or the D2D communication configuration information of the transmission of above-mentioned base station, wherein above-mentioned D2D sets up in instruction and/or above-mentioned D2D communication configuration information and carries: whether be the communication type of with above-mentioned specified network carrying out communicate identify, and/or carry out to the above-mentioned specified network of access the relevant configuration information that communicates if being used to indicate.

In the present embodiment, after UE receives the D2D connection setup instruction of base station transmission, it is the IP address that above-mentioned UE distributes that UE receives access device, and this IP address is the address of above-mentioned UE in above-mentioned specified network.

Before UE and access device apparatus for establishing communicate to equipment D2D, following process can also be comprised: UE receives the special resource information of the access device of base station instruction.Above-mentioned resource information comprise following one of at least: the scheduling assignment SA resource information that above-mentioned access device is special, the data asset information that above-mentioned access device is special.Above-mentioned SA resource information comprises: the transmission direction indication information being used to indicate the data transfer direction of above-mentioned access device.

In the present embodiment, additionally provide a kind of UE, as shown in Figure 4, this UE comprises: communication module 40, communicates for the device-to-device D2D set up between above-mentioned UE and access device, and wherein, UE is by above-mentioned access device access specified network; Transceiver module 42, is connected to communication module 40, for the data being sent data by access device to above-mentioned specified network or receive from above-mentioned specified network.

Preferably, transceiver module 42, sent or reception data to above-mentioned specified network by above-mentioned access device for adopting back haul link (backhaul) mode, can also be used for when above-mentioned backhaul mode comprises following information, the data to above-mentioned specified network sends data or receives from above-mentioned specified network: wired backhaul and/or wireless backhaul.

It should be noted that, the modules in above-described embodiment can be realized by software or hardware.For the latter, can realize in the following manner, but be not limited thereto: communication module 40 and transceiver module 42 lay respectively in first processor and the second processor, or communication module 40 and transceiver module 42 are arranged in same processor.

In order to understand above-described embodiment better, describe in detail below in conjunction with preferred embodiment.It should be noted that, the access device in following examples can include but not limited to: contiguous access device, and contiguous forwarding or routing device, D2D forwards or routing device, D2D transmission equipment.

Embodiment one

Fig. 5 is the network topological diagram of the access device of a kind of wired backhaul of support had in base station coverage situation, comprising base station eNB, and access device, UE1 and UE2.Access device can regard a kind of special UE as, carries out data communication on the one hand between access device and UE1/UE2 by D2D link; Access device is by wired backhaul (such as optical fiber, PTN, digital subscriber line (DigitalSubscriberLine on the other hand, referred to as DSL), Ethernet) be UE1/UE2 forward unicast data, access device also can with the mode distributing data of broadcast/group broadcast.Fig. 6 is the network topological diagram of the access device of a kind of wireless backhaul of support had in base station coverage situation, comprising base station eNB, and access device, UE1 and UE2.Data communication is carried out by D2D link between access device and UE1/UE2.Access device is by wireless backhaul (such as microwave, WLAN, Cellular Networks) for UE1/UE2 forwards unicast data, and access device also can with the mode distributing data of broadcast/group broadcast.Fig. 7 is a kind of network topological diagram of the access device without the wired backhaul of the support in base station coverage situation, comprising access device, UE1 and UE2.Data communication is carried out by D2D link between access device and UE1/UE2.Access device is by wired backhaul (such as optical fiber, PTN, DSL, Ethernet) for UE1/UE2 forwards unicast data, and access device also can with the mode distributing data of broadcast/group broadcast.Fig. 8 is a kind of network topological diagram of the access device without the wireless backhaul of the support in base station coverage situation, comprising access device, UE1 and UE2.Access device is by wireless backhaul (such as microwave, WLAN, Cellular Networks) for UE1/UE2 forwards unicast data, and access device also can with the mode distributing data of broadcast/group broadcast.Fig. 9 is a kind of network topology schematic diagram that there is a more than access device had under base station coverage, comprising eNB, and access device A, access device B, UE1 ~ UE4.Data communication is carried out by D2D link between access device B and UE1/UE2; Access device B is UE1/UE2 forwarding data by wireless backhaul (such as microwave, WLAN, Cellular Networks); Data communication is carried out by D2D link between access device A and UE3/UE4, access device A is UE3/UE4 forwarding data by wired backhaul (such as optical fiber, PTN, DSL, Ethernet), and access device A and B also can with the mode distributing data of broadcast/group broadcast.Figure 10 is a kind of without the network topology schematic diagram that there is a more than access device under base station eNB covering, comprising access device A, and access device B, UE1 ~ UE4.Data communication is carried out by D2D link between access device B and UE1/UE2; Access device B is UE1/UE2 forwarding data by wireless backhaul (such as microwave, WLAN, Cellular Networks); Data communication is carried out by D2D link between access device A and UE3/UE4, access device A is UE3/UE4 forwarding data by wired backhaul (such as optical fiber, PTN, DSL, Ethernet), and access device A and B also can with the mode distributing data of broadcast/group broadcast.

Figure 11 is the simplified flow chart that a kind of UE communicates with access device; As shown in figure 11, comprise the following steps:

Step S1102:UE and access device are set up D2D and are communicated;

Step S1104: access device forwarding/route UE data.

Figure 12 is a kind of flow chart having the UE under base station coverage to communicate with access device; As shown in figure 12, comprise the following steps:

Step S1202: access device receives D2D and finds resource information;

Step S1204:UE receives D2D and finds resource information;

Step S1206:UE receives D2D and finds message;

Step S1208:UE sends measurement report to eNB;

Step S1210:UE receives D2D connection setup message;

Step S1212: access device receives D2D connection setup message; (order of step S1212 and S1210 also can exchange);

Step S1214: access device receives D2D communication resource information; (step S1214 also can merge with step S1212, and namely a piece of news comprises D2D connection setup information and D2D communication resource information);

Step S1216:UE receives D2D scheduling assignment (SchedulingAssignment, abbreviation SA) resource information; (remarks: step S1216 can merge with step S1204, and namely D2D finds that resource information and scheduling assignment resource information may be incorporated in a message, such as, receives and dispatches in system information block SIB);

Step S1218:UE receives D2D scheduling assignment (SA);

Step S1220:UE and access device carry out D2D and communicate;

Elaborate the present embodiment below:

Having (such as Fig. 5, Fig. 6, Fig. 9) under base station coverage scene, base station is broadcasted by eating dishes without rice or wine or clean culture D2D finds resource information, such as time domain pattern information, frequency domain resource information.Access device (or be called contiguous access device, contiguous forwarding/routing device, D2D forwarding/routing device, or D2D transmission equipment) transmit D2D discovery message, if need (be such as at access device or cover edge close to eNB, when possible part UE directly cannot receive the synchronizing signal of base station, or such as D2D synchronizing signal can be used for identifying the situation of type of access device) D2D synchronizing signal can also be transmitted.D2D finds type (the such as contiguous access network of the specified network carrying access device service in message, contiguous wire/wireless backhaul access network) and/or title (the contiguous access network of such as certain company), the type of the specified network of access device service can be carried in D2D synchronizing signal.D2D synchronizing signal and/or find that message the type of Portable device (can also comprise the ability of equipment, but be not limited thereto), comprising following one of at least: whether be used for differentiation equipment for providing the instruction of the equipment of forwarding (or route/access), whether the equipment that WLAN communicates (or WLAN access) is also provided, (such as instruction supports the equipment of wired backhaul or supports the equipment of wireless backhaul to be used for distinguishing the instruction of different access device, such as indicate whether again the equipment for providing IP to forward, such as indicate whether again (or to close for public/open, semi-enclosed) access device).D2D finds the service set SSID (if access device supports WLAN access) that can also carry WLAN in message, basic service set identification BSSID, carrier frequency information, channel channel information.UE receives D2D and finds message, also may comprise D2D synchronizing signal.According to the D2D received, UE can find that message and/or synchronizing signal identify type and/or the title of specified network, and/or the type of access device.Such as, the span of the synchronous signal sequence index of access device pre-configuredly tells UE's to UE or the message by base station or the information from core net, or D2D finds the type carrying specified network in message, the instruction of access device and/or the instruction of different access devices, or D2D finds to carry device id (or application ID) in message, the specific fields of this ID is in order to show type and/or the title of specified network, and/or whether differentiation equipment is for providing the equipment of forwarding, and/or be used for distinguishing different access devices.

If UE receives the SSID/BSSID that D2D finds the WLAN that message is carried, then UE likely sets up further and communicates with the WLAN of access device, like this, UE can be communicated with access device by LTED2D mode and/or WLAN mode, thus obtain larger bandwidth sum throughput, this means better service experience.Preferably, discovery resource information (the such as time domain pattern information that base station is broadcasted or the access device of clean culture access device or different specified network is used by eating dishes without rice or wine, frequency domain resource information), and/or the synchronous signal information that access device is used (span of the synchronous signal sequence index of such as access device), receive and search for the synchronizing signal of access device (or access device of specified network) to reduce UE and/or find the expense of message or accelerate the speed of reception and search.

UE finds to measure signal strength signal intensity and/or quality in message and/or D2D synchronizing signal process at reception D2D, these signals comprise D2D synchronizing signal, and/or D2D finds signal (such as D2D finds preamble and/or the reference signal DMRS of message).If D2D access device supports WLAN, then UE can scan the beacon beacon of WLAN and measure further.UE controls to report according to base station allocating and measuring event.Measurement event can be the signal measurements of D2D signal measurements (such as intensity and/or quality) higher than Serving cell and the offset parameter sum of base station configuration, or the threshold value that D2D signal measurements (such as intensity and/or quality) configures higher than base station, and/or the B threshold value that the A threshold value that configures higher than base station of D2D signal measurements and the signal measurements of Serving cell configure lower than base station.If D2D access device supports WLAN, then whether UE controls to communicate with WLAN foundation according to base station configuration WLAN measurement event.WLAN measurement event also can be the threshold value that the signal measurements (such as intensity and/or quality) of WLAN configures higher than base station, and/or the B threshold value that the A threshold value that configures higher than base station of WLAN signal measured value and the signal measurements of Serving cell configure lower than base station.Shake in order to avoid measured value causes frequently entering/leaving of measurement event, can add the hypothesis factor in Rule of judgment, the condition such as entering a certain event and the condition leaving a certain event differ the positive and negative hypothesis factor (i.e. 2 times of hypothesis factors).Report to smoothly measure, to the smoothing control of measurement, and/or timer (just reporting after the condition meeting measurement event exceedes certain hour) can also be reported to the setting that reports of measurement event.Finally, after the condition that satisfied measurement reports, UE is to Serving cell reporting measurement reports, comprising signal measurements (such as D2D signal measurements, WLAN signal measured value can also be carried), also comprise from the D2D synchronizing signal received and/or the information finding message, such as D2D synchronizing signal index/mark, device identification, device type.In addition, after the condition meeting WLAN connection setup, UE can directly initiate to associate (association) process with the WLAN of access device, communicates with the WLAN of access device to set up.

Base station sends the instruction of D2D connection setup or D2D to UE and access device and to communicate configuration information, comprising communication type mark (whether be forward communication to distinguish), and/or with forward the configuration (such as IP address assignment instruction) communicating relevant.In addition, D2D communication configuration comprises the configuration (such as packet data convergence protocol (PacketDataConvergenceProtocol of layer 2, referred to as PDCP)/wireless spread-spectrum technology (RadioLinkControl, referred to as RLC) configuration of/MAC), and the configuration of PHY.Wherein, PDCP configuration may comprise the relevant configuration information of safety and head compressed configuration information.RLC configuration may comprise AM (affirmation mode)/UM (without affirmation mode)/TM (transparent mode) and configure instruction, Logic Channel Identifier.MAC configuration may comprise HARQ configuration information.ENB is that access device distributes and indicates for sending SA and the resource (these resources may be access device private resources, and namely access device available resources are different with UE available resources) of carrying out D2D data transmit-receive.These resources can be the ascending resource (some subframe of such as FDD up-link carrier or some sub-frame of uplink of TDD) of LTE honeycomb or downlink resource (some subframe of such as FDD descending carrier or some descending sub frame of TDD or special subframe), also can be special carrier wave (being such as exclusively used in the carrier wave of D2D communication or local communication, Small Extension Node. Communications) resource, can also be unlicensed spectrum (such as sharing with WLAN) resource.Preferably, SA resource information comprises: the transmission direction indication information being used to indicate the data transfer direction of described access device, like this, the SA resource of data that the SA resource of data transmitted of forward direction (from access device to UE) and backward (from UE to access device) transmit can separately indicate.ENB can combine or independently instruction, for sending SA and the resource of carrying out D2D data transmit-receive, comprises its carrier wave, subframe pattern (such as cycle, sub-frame offset, bitmap), frequency domain position (such as frequency offsets, frequency domain bandwidth).Access device sends scheduling assignment SA (or schedule information according to the resource (independent SA resource or SA/ data aggregate resource) of the instruction of eNB, namely the information of Resourse Distribute and/or data transmit-receive parameter is used to indicate), scheduling assignment comprises the target identification (mark of such as object UE, or the mark of target group, or broadcast identification) and/or source mark, also may comprise D2D data asset information (such as the running time-frequency resource information of D2D transfer of data), Modulation and Coding Scheme MCS indicates, whether new data or retransmit instruction, (HARQ) redundancy versions, data transfer direction (such as indicates forward direction/backward, with difference from access device to UE or from UE to access device).

In UE side, UE receives SA resource information (be such as exclusively used in the running time-frequency resource information that access device sends SA, and/or may be used for the running time-frequency resource information that all D2D equipment sends SA), to receive SA from access device from eNB.UE is according to after SA asset information receipt to SA, according to the information of SA determine this SA whether with oneself about (such as according to the destination address in SA information or mark, and/or source address or mark), and (if relevant with oneself) is determined to carry out wherein receiving/sending out, and the design parameter received/send out.If determine to receive data (if not carrying transmission direction instruction or transmission direction in SA to be designated as direction from access device to UE), then UE carries out data receiver on the running time-frequency resource of instruction, and carry out the process of corresponding PHY/MAC/RLC/PDCP, such as determine the correctness of this transmission block and deliver to upper strata.To access device, data are sent for UE, has three kinds of modes or their mixing.A kind of mode is access device is that UE distributes some resources and is indicated to UE (now in SA, transmission direction is designated as the direction from UE to access device) by SA, so that UE sends resource request or buffer status report (such as by the mode of MACCE) to access device, then access device is further for UE distributes the resource sending data.The second way is, UE sends resource request or buffer status report (such as RRC information or the mode by MACCE) to eNB, and then eNB is that UE distributes the resource sending SA and data.The third mode is, UE competition from (SA resource pool and data resource pond) the resource pool that eNB configures obtains the corresponding resource for sending SA and data, and carries out the transmission of SA and data.After this, UE sends SA and data, and access device receives SA and data.

For the transfer of data from access device to UE, access device receives the data of UE from backhaul and UE data is transmitted to UE by D2D link.Wherein, access device is IP data from the UE data that backhaul receives, such as, from the data (comprise the scene of wired backhaul Fig. 5, or the scene of wireless backhaul Fig. 6) of Internet or EPC.For this reason, this IP address is sent to UE (can by L2 such as MACCE, also can by IP layer or application layer) for UE distributing IP address receiving the D2D connection setup instruction of base station (comprising communication type instruction) by access device afterwards.Access device is preserved the IP address of UE and the mapping relations of UEID and according to these mapping relations, the data of the different UEs received from backhaul is issued corresponding UE by D2D link.

For the transfer of data from UE to access device, UE receives data from IP layer (further from the application layer more) and data is issued access device by D2D link.Carry out forwarding/route to backhaul after access device correctly receives data, such as, carry out forwarding/route (such as going to the data of Internet or EPC) according to object IP address.

Embodiment two

Figure 13 is the flow chart that another kind has the UE under base station coverage and communicates with access device; As shown in figure 13, comprise the following steps:

Step S1302: access device receives D2D and finds resource information;

Step S1304:UE receives D2D and finds resource information;

Step S1306: access device receives D2D and finds message;

Step S1308: access device sends measurement report to eNB;

Step S1310: access device receives D2D connection setup instruction (or communication configuration information);

Step S1312:UE receives D2D connection setup instruction (or communication configuration information); (order of step S1312 and S1310 also can exchange);

Step S1314: access device receives D2D communication resource information; (step S1314 also can merge with step S1310, and namely a piece of news comprises D2D connection setup information and D2D communication resource information);

Step S1316:UE receives D2D scheduling assignment (SchedulingAssignment, abbreviation SA) resource information; (remarks: step S1316 can merge with step S1304, and namely D2D finds that resource information and scheduling assignment resource information may be incorporated in a message, such as, receives and dispatches in system information block SIB);

Step S1318:UE and access device carry out D2D and communicate.

Elaborate the present embodiment below:

Most of process of the present embodiment and embodiment one is all similar, difference is mainly in the present embodiment it is that access device finds UE (and being that UE finds access device in embodiment one), UE sends D2D and finds message specifically, sends measurement report (comprising UEID) after access device receives to eNB.This situation may when access device enters power save mode (such as do not send D2D and find that message or D2D find that the interval of message is long).In addition, also have difference to be eNB to send D2D to access device and UE and to communicate the sequencing of configuration information.The following detailed description of.

Base station is broadcasted by eating dishes without rice or wine or clean culture D2D finds resource information, such as time domain pattern information, frequency domain resource information.UE transmits D2D and finds message.Whether whether D2D finds the type of message Portable device, wherein do not comprise for differentiation equipment for providing the instruction of the equipment of forwarding or comprise indicated value the differentiation equipment that is used for being false for providing the instruction of the equipment of forwarding.Access device receives D2D and finds message.Access device can identify UE type according to the D2D discovery message received is non-access equipment.Such as, the span of the synchronous signal sequence index of access device pre-configuredly tells access device to access device or the message by base station or the information from core net, or whether D2D finds to carry in message is the instruction of access device, or D2D finds to carry device id (or application ID) in message, and whether the specific fields of this ID is in order to distinguish equipment for providing the equipment of forwarding.D2D finds that message can also comprise and whether is finding the instruction of access device (such as, find that certain field instruction UE in message is finding access device, or instruction UE request forward, or UE is equipment to be forwarded), and/or for distinguishing the indication information finding different described access devices or different described specified networks, preferably, discovery resource information (the such as time domain pattern information that base station is broadcasted or the non-access equipment of clean culture (or finding the UE of access device further) is used by eating dishes without rice or wine, frequency domain resource information), to help more effective pairing between access device and UE.

Access device finds to measure signal strength signal intensity and/or quality in message process at reception D2D, and these signals comprise D2D and find signal (such as D2D finds preamble and/or the reference signal DMRS of message).Access device controls to report according to base station allocating and measuring event.Measurement event can be the signal measurements of D2D signal measurements (such as intensity and/or quality) higher than Serving cell and the offset parameter sum of base station configuration, or the threshold value that D2D signal measurements (such as intensity and/or quality) configures higher than base station, and/or the B threshold value that the A threshold value that configures higher than base station of D2D signal measurements and the signal measurements of Serving cell configure lower than base station.Shake in order to avoid measured value causes frequently entering/leaving of measurement event, can add the hypothesis factor in Rule of judgment, the condition such as entering a certain event and the condition leaving a certain event differ the positive and negative hypothesis factor (i.e. 2 times of hypothesis factors).Report to smoothly measure, to the smoothing control of measurement, and/or timer (just reporting after the condition meeting measurement event exceedes certain hour) can also be reported to the setting that reports of measurement event.Finally, after the condition that satisfied measurement reports, access device, to Serving cell reporting measurement reports, comprising signal measurements, also comprises the information finding message from the D2D received, such as device identification, device type.Flow process and the embodiment one of follow-up foundation communication are similar, do not repeat them here.

Embodiment three

Figure 14 is the flow chart that the UE under a kind of part covers communicates with access device; As shown in figure 14, comprise the following steps:

Step S1402: access device receives D2D and finds resource information;

Step S1404:UE receives D2D and finds message;

Step S1406:UE receives D2D and finds resource information; (step S1406 also can merge with step S1404, and namely a piece of news comprises D2D discovery information and D2D discovery resource information);

Step S1408: access device receives D2D and finds message;

Step S1410: access device sends measurement report to eNB;

Step S1412: access device receives D2D connection setup instruction (or communication configuration information);

Step S1414:UE receives D2D connection setup instruction (or communication configuration information);

Step S1416: access device receives D2D communication resource information; (step S1416 also can merge with step S1412, and namely a piece of news comprises D2D communication configuration information and D2D communication resource information);

Step S1418:UE receives D2D communication resource information; (step S1418 also can merge with step S1414, and namely a piece of news comprises D2D communication configuration information and D2D communication resource information);

Step S1420:UE and access device carry out D2D and communicate;

Elaborate the present embodiment below:

Under part covering scene (in such as Fig. 5, Fig. 6, Fig. 9, access device is under base station coverage, but UE is not under base station coverage), base station is broadcasted by eating dishes without rice or wine or clean culture D2D finds resource information, such as time domain pattern information, frequency domain resource information.Access device transmission D2D synchronizing signal and D2D find message.D2D finds type (the such as contiguous access network of the specified network carrying access device service in message, contiguous wire/wireless backhaul access network) and/or title (the contiguous access network of such as certain company), the type of the specified network of access device service can be carried in D2D synchronizing signal.D2D synchronizing signal and/or find that message the type of Portable device (can also comprise the ability of equipment, but be not limited thereto), comprising following one of at least: whether be used for differentiation equipment for providing the instruction of the equipment of forwarding (alternatively forwarding/route), whether the equipment that WLAN communicates (or WLAN access) is also provided, the instruction being used for distinguishing different access devices (such as supports the equipment of wired backhaul, support the equipment of wireless backhaul, such as indicate whether again the equipment for providing IP to forward, such as indicate whether again (or to close for public/open, semi-enclosed) access device).D2D finds the service set SSID (if access device supports WLAN access) that can also carry WLAN in message, basic service set identification BSSID, carrier frequency, channel channel information.UE receives D2D synchronizing signal and D2D finds message.UE according to the D2D synchronizing signal received and/or can find that message identifies type and/or the title of specified network, and/or the type of access device.Such as, the span of the synchronous signal sequence index of access device is the pre-configured or prior storage of UE, or D2D finds the type carrying specified network in message, the instruction of access device and/or the instruction of different access devices, or D2D finds to carry device id (or application ID) in message, the specific fields of this ID is in order to show type and/or the title of specified network, and/or whether differentiation equipment is for providing the equipment of forwarding, and/or be used for distinguishing different access devices.If UE receives the SSID/BSSID that D2D finds the WLAN that message is carried, then UE can set up further and communicate with the WLAN of access device, like this, UE can be communicated with access device by LTED2D mode and/or WLAN mode, thus obtain larger bandwidth sum throughput, this means better service experience.

UE finds to measure signal strength signal intensity and/or quality in message process in reception D2D synchronizing signal and/or D2D, these signals comprise D2D synchronizing signal, and/or D2D finds signal (such as D2D finds preamble and/or the reference signal DMRS of message).If D2D access device supports WLAN, then UE can scan the beacon beacon of WLAN and measure further.These measurements may be used for judging whether to have found available access device, and then UE judges whether that sending D2D finds message.For this reason, UE receives D2D from access device and finds resource information, to determine or to select to find for sending D2D the resource location of message.Then, UE sends D2D and finds message, and comprising the device id (or adding application ID) of UE self, device type, can also comprise ID and/or the measurement report of the access device of discovery.

Access device controls to report according to base station allocating and measuring event after receiving the D2D discovery message of UE transmission.Measurement event can be D2D signal measurements (such as intensity and/or quality, can be that UE reports access device or access device measures, or the combination of the two) higher than the signal measurements of Serving cell and the offset parameter sum of base station configuration, or the threshold value that D2D signal measurements (such as intensity and/or quality) configures higher than base station, and/or the B threshold value that the A threshold value that configures higher than base station of D2D signal measurements and the signal measurements of Serving cell configure lower than base station.If D2D access device supports WLAN, then whether UE controls to communicate with WLAN foundation according to base station configuration WLAN measurement event.WLAN measurement event also can be the threshold value that the signal measurements (such as intensity and/or quality) of WLAN configures higher than base station, and/or the B threshold value that the A threshold value that configures higher than base station of WLAN signal measured value and the signal measurements of Serving cell configure lower than base station.Shake in order to avoid measured value causes frequently entering/leaving of measurement event, can add the hypothesis factor in Rule of judgment, the condition such as entering a certain event and the condition leaving a certain event differ the positive and negative hypothesis factor (i.e. 2 times of hypothesis factors).Report to smoothly measure, to the smoothing control of measurement, and/or timer (just reporting after the condition meeting measurement event exceedes certain hour) can also be reported to the setting that reports of measurement event.Finally, after the condition that satisfied measurement reports, access device is to Serving cell reporting measurement reports, comprising signal measurements (such as D2D signal measurements, WLAN signal measured value can also be carried), also comprise the information from receiving the D2D discovery message that UE sends, such as UEID, device type.In addition, after the condition meeting WLAN connection setup, UE can directly initiate to associate (association) process with the WLAN of access device, communicates with the WLAN of access device to set up.

Base station sends D2D connection setup instruction (or D2D communication configuration information) to access device, comprising communication type mark (whether be forward communication to distinguish), and/or with forward the configuration (such as IP address assignment instruction) communicating relevant.In addition, D2D communication configuration comprises the configuration (configuration of such as PDCP/RLC/MAC) of layer 2, and the configuration of PHY.Wherein, PDCP configuration may comprise the relevant configuration information of safety and head compressed configuration information.RLC configuration may comprise AM (affirmation mode)/UM (without affirmation mode)/TM (transparent mode) and configure instruction, Logic Channel Identifier.MAC configuration may comprise HARQ configuration information.Send to UE after access device receives D2D communication configuration information or forward (all or part of configuration information), the relevant configuration so that UE execution communicates with D2D.

ENB is that access device distributes and indicates for sending SA and the resource (these resources may be access device private resources, and namely access device available resources are different with UE available resources) of carrying out D2D data transmit-receive.These resources can be the ascending resource (some subframe of such as FDD up-link carrier or some sub-frame of uplink of TDD) of LTE honeycomb or downlink resource (some subframe of such as FDD descending carrier or some descending sub frame of TDD or special subframe), also can be special carrier wave (being such as exclusively used in the carrier wave of D2D communication or local communication, Small Extension Node. Communications) resource, can also be unlicensed spectrum (such as sharing with WLAN) resource.Preferably, SA resource information comprises: the transmission direction indication information being used to indicate the data transfer direction of described access device, like this, the SA resource of data that the SA resource of data transmitted of forward direction (from access device to UE) and backward (from UE to access device) transmit can separately indicate.ENB can combine or independently instruction, for sending SA and the resource of carrying out D2D data transmit-receive, comprises its carrier wave, subframe pattern (such as cycle, sub-frame offset, bitmap), frequency domain position (such as frequency offsets, frequency domain bandwidth).Access device sends to UE or forwards for sending SA and the resource information of carrying out D2D data transmit-receive.In UE side, UE receives SA from access device and (is such as exclusively used in the running time-frequency resource information that this access device sends SA and carries out D2D data transmit-receive with the resource information of carrying out D2D data transmit-receive, and/or be exclusively used in all access device transmission SA and the running time-frequency resource information of carrying out D2D data transmit-receive, and/or may be used for all D2D equipment transmission SA and the running time-frequency resource information of carrying out D2D data transmit-receive), to receive SA and D2D data from access device, or send D2D data (it is optional for allowing UE to send SA to D2D equipment) to access device.

The resource (independent SA resource or SA/ data aggregate resource) that access device indicates according to eNB sends scheduling assignment SA (or schedule information, namely the information of Resourse Distribute and/or data transmit-receive parameter is used to indicate), scheduling assignment comprises the target identification (mark of such as object UE, or the mark of target group, or broadcast identification) and/or source mark, also may comprise D2D data asset information (such as the running time-frequency resource information of D2D transfer of data), Modulation and Coding Scheme MCS indicates, whether new data or retransmit instruction, (HARQ) redundancy versions, data transfer direction (such as indicates forward direction/backward, with difference from access device to UE or from UE to access device).

UE is according to after SA asset information receipt to SA, according to the information of SA determine this SA whether with oneself about (such as according to the destination address in SA information or mark, and/or source address or mark), and (if relevant with oneself) is determined to carry out wherein receiving/sending out, and the design parameter received/send out.If determine to receive data (if not carrying transmission direction instruction or transmission direction in SA to be designated as direction from access device to UE), then UE carries out data receiver on the running time-frequency resource of instruction, and carry out the process of corresponding PHY/MAC/RLC/PDCP, such as determine the correctness of this transmission block and deliver to upper strata.To access device, data are sent for UE, has three kinds of modes or their mixing.A kind of mode is access device is that UE distributes some resources and is indicated to UE (now in SA, transmission direction is designated as the direction from UE to access device) by SA, so that UE sends resource request or buffer status report (such as by the mode of MACCE) to access device, then access device is further for UE distributes the resource sending data.Another kind of mode is, UE sends resource request or buffer status report (such as RRC information or the mode by MACCE) by access device to eNB, and then eNB is that UE distributes the resource (relevant configuration information is transmitted to UE by access device) sending SA and data.A kind of mode is also had to be that UE obtains resource, for the transmission of SA and D2D data by competition from D2DSA resource pool and D2D communication resource pond.Afterwards, UE sends SA and data, and access device receives SA and data.

Embodiment four

Figure 15 is the flow chart that the UE under another kind of part covers communicates with access device; As shown in figure 15, comprise the following steps:

Step S1502: access device receives D2D and finds resource information;

Step S1504:UE receives D2D and finds message;

Step S1506:UE receives D2D and finds resource information; (step S1506 also can merge with step S1504, and namely a piece of news comprises D2D discovery information and D2D discovery resource information);

Step S1508: access device receives D2D and finds message;

Step S1510:UE receives D2D connection setup instruction (or communication configuration information);

Step S1512: access device sends the report of D2D connection setup to eNB;

Step S1514: access device receives D2D communication resource information;

Step S1516:UE receives D2D communication resource information;

Step S1518:UE and access device carry out D2D and communicate.

The main distinction of this embodiment and embodiment three is it is initiate D2D connection setup (and being initiate D2D connection setup by eNB in an embodiment) by access device in the present embodiment, and then informs eNB.Due to step 1502 to step 1508 and embodiment three (step 1402 is to step 1408) similar, do not repeat them here.

After access device receives D2D discovery message (or connection setup request) of UE transmission, if receive this UE, then send D2D connection setup instruction (or D2D communication configuration information) to UE, comprising the configuration (configuration of such as PDCP/RLC/MAC) of layer 2, and the configuration of physical layer (PHY).Wherein, PDCP configuration may comprise the relevant configuration information of safety and head compressed configuration information.RLC configuration may comprise AM (affirmation mode)/UM (without affirmation mode)/TM (transparent mode) and configure instruction, Logic Channel Identifier.MAC configuration may comprise hybrid automatic repeat-request (HybridAutomaticRepeatRequest, referred to as HARQ) configuration information.Communication/connection setup instruction (or D2D communicate with configuration information) is sent before or afterwards to UE at access device, UE communication capacity information can be asked and receive to access device, to be configured (if before sending connection setup instruction to UE) or reprovision (if after sending connection setup instruction to UE) to the communication between the two.After UE receives D2D communication/connection setup instruction (or D2D communication configuration information), alternatively, UE sends D2D communication/connection setup response (or D2D communication configuration completes information), to confirm the foundation of communication between the two to access device.

Then, access device, to eNB notice and the D2D connection setup of UE, comprising UEID, can also comprise D2D communication configuration information, and/or signal measurements, and/or the device type of UE.Afterwards, eNB be access device distribute the process of the D2D communication resource and subsequent process (step 1514 is to step 1518) similar with embodiment three (step 1416 is to 1420), do not repeat them here.

Embodiment five

Figure 16 is a kind of flow chart communicated with access device without the UE under eNB base station coverage; As shown in figure 16, comprise the following steps:

Step S1602:UE receives D2D and finds message;

Step S1604:UE sends D2D connection setup request (D2D finds message);

Step S1606:UE receives the instruction of D2DSA resource; (step S1606 also can merge with step S1602, and namely a piece of news comprises D2D discovery information and D2DSA resource information)

Step S1608:UE receives D2DSA;

Step S1610:UE receives D2D connection setup instruction (or communication configuration information);

Step S1612:UE and access device carry out D2D and communicate;

Elaborate the present embodiment below:

The present embodiment corresponds to without covering scene (such as Fig. 7, Fig. 8, Figure 10).Access device (or D2D forwarding/routing device, or D2D transmission equipment) transmit D2D synchronizing signal and D2D discovery message.D2D finds type (the such as contiguous access network of the specified network carrying access device service in message, contiguous wire/wireless backhaul access network) and/or title (the contiguous access network of such as certain company), the type of the specified network of access device service can be carried in D2D synchronizing signal.D2D synchronizing signal and/or find that message the type of Portable device (can also comprise the ability of equipment, but be not limited thereto), comprising following one of at least: whether be used for differentiation equipment for providing the instruction of the equipment of forwarding (alternatively forwarding/route), whether the equipment that WLAN communicates (or WLAN access) is also provided, the instruction being used for distinguishing different access devices (such as supports the equipment of wired backhaul, support the equipment of wireless backhaul, such as indicate whether again the equipment for providing IP to forward, such as indicate whether again (or to close for public/open, semi-enclosed) access device).D2D finds the service set SSID (if access device supports WLAN access) that can also carry WLAN in message, basic service set identification BSSID, carrier frequency, channel channel information.UE receives D2D synchronizing signal and D2D finds message.UE according to the D2D synchronizing signal received and/or can find that message identifies type and/or the title of specified network, and/or the type of access device.Such as, the span of the synchronous signal sequence index of access device is the pre-configured or prior storage of UE, or D2D finds to carry the instruction of access device and/or the instruction of different access devices in message, or D2D finds to carry device id (or application ID) in message, the specific fields of this ID is in order to show type and/or the title of specified network, and/or whether differentiation equipment is for providing the equipment of forwarding, and/or be used for distinguishing different access devices.If UE receives the SSID/BSSID that D2D finds the WLAN that message is carried, then UE likely sets up further and communicates with the WLAN of access device, like this, UE can be communicated with access device by LTED2D mode and/or WLAN mode, thus obtain larger bandwidth sum throughput, this means better service experience.

UE finds to measure signal strength signal intensity and/or quality in message process in reception D2D synchronizing signal and/or D2D, these signals comprise D2D synchronizing signal, and/or D2D finds signal (such as D2D finds preamble and/or the reference signal DMRS of message).If D2D access device supports WLAN, then UE can scan the beacon beacon of WLAN and measure further.These measurements may be used for judging whether to have found available access device, and then UE judges whether that sending D2D finds message, wherein carries the request of D2D connection setup.UE sends D2D and finds message (or connection setup request), comprising the device id (or adding application ID) of UE self, and device type, that discovery can also be comprised or that ask the access device setting up communication ID and/or measurement report.

After access device receives D2D discovery message (or connection setup request) of UE transmission, if receive this UE, then send D2D communication/connection setup instruction (or D2D communication configuration information) to UE, comprising the configuration (configuration of such as PDCP/RLC/MAC) of layer 2, and the configuration of PHY.Wherein, PDCP configuration may comprise the relevant configuration information of safety and head compressed configuration information.RLC configuration may comprise AM (affirmation mode)/UM (without affirmation mode)/TM (transparent mode) and configure instruction, Logic Channel Identifier.MAC configuration may comprise HARQ configuration information.Communication/connection setup instruction (or D2D communicate with configuration information) is sent before or afterwards to UE at access device, UE communication capacity information can be asked and receive to access device, to be configured (if before sending connection setup instruction to UE) or reprovision (if after sending connection setup instruction to UE) to the communication between the two.

D2D resource can be ascending resource (such as the sub-frame of uplink of FDD up-link carrier or TDD) or the downlink resource (such as the descending sub frame of FDD descending carrier or TDD) of LTE honeycomb, also can be special carrier wave (being such as exclusively used in the carrier wave of D2D communication or local communication, Small Extension Node. Communications) resource, can also be unlicensed spectrum (such as sharing with WLAN) resource.Access device can send resource information for sending SA (or add carry out D2D data transmit-receive) to UE.Preferably, SA resource information comprises: the transmission direction indication information being used to indicate the data transfer direction of described access device, like this, the SA resource of data that the SA resource of data transmitted of forward direction (from access device to UE) and backward (from UE to access device) transmit can separately indicate.In UE side, UE receives the resource information of SA (or add carry out D2D data transmit-receive) from access device, such as be exclusively used in the running time-frequency resource information that this access device sends SA and D2D data, and/or be exclusively used in the running time-frequency resource information that UE sends SA and D2D data), to receive SA and D2D data from access device, or send D2D data (it is optional for allowing UE to send SA to D2D equipment) to access device.

Access device transmission scheduling assignment SA (or schedule information, namely the information of Resourse Distribute and/or data transmit-receive parameter is used to indicate), scheduling assignment comprises the target identification (mark of such as object UE, or the mark of target group, or broadcast identification) and/or source mark, also may comprise D2D data asset information (such as the running time-frequency resource information of D2D transfer of data), Modulation and Coding Scheme MCS indicates, whether new data or retransmit instruction, (HARQ) redundancy versions, data transfer direction (such as indicates forward direction/backward, with difference from access device to UE or from UE to access device).

UE is according to after SA asset information receipt to SA, according to the information of SA determine this SA whether with oneself about (such as according to the destination address in SA information or mark, and/or source address or mark), and (if relevant with oneself) is determined to carry out wherein receiving/sending out, and the design parameter received/send out.If determine to receive data (if not carrying transmission direction instruction or transmission direction in SA to be designated as direction from access device to UE), then UE carries out data receiver on the running time-frequency resource of instruction, and carry out the process of corresponding PHY/MAC/RLC/PDCP, such as determine the correctness of this transmission block and deliver to upper strata.To access device, data are sent for UE, has two kinds of modes or their mixing.A kind of mode is access device is that UE distributes some resources and is indicated to UE (now in SA, transmission direction is designated as the direction from UE to access device) by SA, so that UE sends resource request or buffer status report (such as by the mode of MACCE) to access device, then access device is further for UE distributes the resource sending data.Another kind of mode is that UE obtains resource, for the transmission of SA and D2D data by competition from D2DSA resource pool and D2D communication resource pond.

For the transfer of data from access device to UE, access device receives the data of UE from backhaul and UE data is transmitted to UE by D2D link.Wherein, access device is IP data from the UE data that backhaul receives, such as, from the data (comprise the scene of wired backhaul Fig. 7, or the scene of wireless backhaul Fig. 8) of Internet or EPC.For this reason, access device is UE distributing IP address and this IP address is sent to UE (can by L2 such as MACCE, also can by IP layer or application layer).Access device is preserved the IP address of UE and the mapping relations of UEID and according to these mapping relations, the data of the different UEs received from backhaul is issued corresponding UE by D2D link.

For the transfer of data from UE to access device, UE receives data from IP layer (further from the application layer more) and data is issued access device by D2D link.Carry out forwarding/route to backhaul after access device correctly receives data, such as, route data to Internet or EPC according to object IP address.

Embodiment six

Figure 17 is a kind of flow chart communicated with access device without the UE under eNB base station coverage; As shown in figure 17, comprise the following steps:

Step S1702:UE receives D2D and finds message;

Step S1704:UE receives D2D and finds resource instruction; (step S1704 also can merge with step S1702, and namely a piece of news comprises D2D discovery information and D2D discovery resource information);

Step S1706:UE sends D2D and finds message (request of D2D connection setup);

Step S1708:UE receives the instruction of SA resource; (step S1708 also can merge with step S1702/1704, and namely a piece of news comprises the instruction of D2DSA resource and discovery information/discovery resource information);

Step S1710:UE receives D2DSA;

Step S1712:UE receives D2D communication/connection setup message;

Step S1714: access device receives D2D communication/connection setup response message; (step S1714 is optional);

Step S1716:UE and access device carry out D2D and communicate;

Elaborate the present embodiment below:

The present embodiment corresponds to without covering scene (such as Fig. 7, Fig. 8, Figure 10).Access device (or D2D forwarding/routing device, or D2D transmission equipment) transmit D2D synchronizing signal and D2D discovery message.D2D finds type (the such as contiguous access network of the specified network carrying access device service in message, contiguous wire/wireless backhaul access network) and/or title (the contiguous access network of such as certain company), the type of the specified network of access device service can be carried in D2D synchronizing signal.D2D synchronizing signal and/or find that message the type of Portable device (can also comprise the ability of equipment, but be not limited thereto), comprising following one of at least: whether be used for differentiation equipment for providing the instruction of the equipment of forwarding (alternatively forwarding/route), whether the equipment that WLAN communicates (or WLAN access) is also provided, the instruction being used for distinguishing different access devices (such as supports the equipment of wired backhaul, support the equipment of wireless backhaul, such as indicate whether again the equipment for providing IP to forward, such as indicate whether again (or to close for public/open, semi-enclosed) access device).D2D finds the service set SSID (if access device supports WLAN access) that can also carry WLAN in message, basic service set identification BSSID, carrier frequency, channel channel information.UE receives D2D synchronizing signal and D2D finds message.UE according to the D2D synchronizing signal received and/or can find that message identifies type and/or the title of specified network, and/or the type of access device.Such as, the span of the synchronous signal sequence index of access device is the pre-configured or prior storage of UE, or D2D finds the type carrying specified network in message, the instruction of access device and/or the instruction of different access devices, or D2D finds to carry device id (or application ID) in message, the specific fields of this ID is in order to show type and/or the title of specified network, and/or whether differentiation equipment is for providing the equipment of forwarding, and/or be used for distinguishing different access devices.If UE receives the SSID/BSSID that D2D finds the WLAN that message is carried, then UE likely sets up further and communicates with the WLAN of access device, like this, UE can be communicated with access device by LTED2D mode and/or WLAN mode, thus obtain larger bandwidth sum throughput, this means better service experience.

UE finds to measure signal strength signal intensity and/or quality in message process in reception D2D synchronizing signal and/or D2D, these signals comprise D2D synchronizing signal, and/or D2D finds signal (such as D2D finds preamble and/or the reference signal DMRS of message).If D2D access device supports WLAN, then UE can scan the beacon beacon of WLAN and measure further.These measurements may be used for judging whether to have found available access device, and then UE judges whether that sending D2D finds message, wherein carries the request of D2D connection setup.For this reason, UE receives D2D from access device and finds resource information, to determine or to select to find for sending D2D the resource location of message.Then, UE sends D2D and finds message (or connection setup request), comprising the device id (or adding application ID) of UE self, device type, the ID of that can also comprise discovery or that request foundation communicates access device and/or measurement report.

UE is according to after SA asset information receipt to SA, according to the information of SA determine this SA whether with oneself about (such as according to the destination address in SA information or mark, and/or source address or mark), and (if relevant with oneself) is determined to carry out wherein receiving/sending out, and the design parameter received/send out.If determine to receive data (if not carrying transmission direction instruction or transmission direction in SA to be designated as direction from access device to UE), then UE carries out data receiver on the running time-frequency resource of instruction, and carry out the process of corresponding PHY/MAC/RLC/PDCP, such as determine the correctness of this transmission block and deliver to upper strata.To access device, data are sent for UE, a kind of mode is access device is that UE distributes some resources and is indicated to UE (now in SA, transmission direction is designated as the direction from UE to access device) by SA, so that UE sends resource request or buffer status report (such as by the mode of MACCE) to access device, then access device is further for UE distributes the resource sending data.Another kind of mode is that UE obtains resource, for the transmission of SA and D2D data by competition from D2DSA resource pool and D2D communication resource pond.

After access device receives D2D discovery message (or connection setup request) of UE transmission, if receive this UE, then send D2D communication/connection setup instruction (or D2D communication configuration information) to UE, comprising the configuration (configuration of such as PDCP/RLC/MAC) of layer 2, and the configuration of PHY.Wherein, PDCP configuration may comprise the relevant configuration information of safety and head compressed configuration information.RLC configuration may comprise AM (affirmation mode)/UM (without affirmation mode)/TM (transparent mode) and configure instruction, Logic Channel Identifier.MAC configuration may comprise HARQ configuration information.Communication/connection setup instruction (or D2D communicate with configuration information) is sent before or afterwards to UE at access device, UE communication capacity information can be asked and receive to access device, to be configured (if before sending connection setup instruction to UE) or reprovision (if after sending connection setup instruction to UE) to the communication between the two.After UE receives D2D communication/connection setup instruction (or D2D communication configuration information), UE sends D2D communication/connection setup response (or D2D communication configuration completes information), to confirm the foundation communicated between the two to access device.

It should be noted that, correlation technique feature in above-described embodiment (at least comprising embodiment one to embodiment six) in a preferred embodiment can be mutually general, and the information of such as, carrying in the discovery message in embodiment one or synchronizing signal can be applied to embodiment two.

In another embodiment, additionally provide a kind of software, this software is for performing the technical scheme described in above-described embodiment and preferred implementation.

In another embodiment, additionally provide a kind of storage medium, store above-mentioned software in this storage medium, this storage medium includes but not limited to: CD, floppy disk, hard disk, scratch pad memory etc.

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.

These are 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 communication means for wireless network, is characterized in that, comprising:

Access device communicates to equipment D2D with user equipment (UE) apparatus for establishing, and wherein, described UE is by described access device access specified network;

Described access device forwards from the data of described specified network to described UE or forwards the data from described UE to described specified network.

2. method according to claim 1, is characterized in that, access device and UE set up before D2D communicates, and comprising:

Described access device sends D2D synchronizing signal and/or finds message, and wherein, described D2D finds the type and/or the title that carry described specified network in message, and/or carries the type of described specified network in D2D synchronizing signal.

3. method according to claim 1, is characterized in that, access device and UE set up before D2D communicates, and comprising:

Described access device sends D2D synchronizing signal and/or finds message, wherein, device type is carried in described D2D synchronizing signal and/or described discovery message, this device type comprises: be used to indicate D2D synchronizing signal and/or find that whether the sender of message is the instruction of access device, and/or for distinguishing the indication information of different access devices.

4. method according to claim 1, is characterized in that, access device and UE set up before D2D communicates, and comprising:

Described access device sends D2D and finds message, and wherein, described D2D finds that message carries the information of WLAN (wireless local area network) WLAN.

5. method according to claim 4, is characterized in that, the information of described WLAN comprise following one of at least: service set SSID, basic service set identification BSSID, carrier frequency information, channel channel information.

6. the method according to any one of claim 2 to 5, is characterized in that, described method also comprises:

Described UE measures D2D signal power and/or the quality of described access device; Judge whether described signal power and/or quality meet the measurement event condition of base station configuration; When satisfied, then send measurement report to described base station, wherein, described measurement report is set up D2D communication indication information and is provided decision-making foundation for described base station issues.

7. method according to claim 6, is characterized in that, described measurement report comprises: the information in the described D2D synchronizing signal of D2D signal measurements, reception and/or described discovery message.

8. method according to claim 6, is characterized in that, described measurement event condition comprises one of following:

The signal measurements of D2D signal measurements higher than Serving cell and the offset parameter sum of base station configuration;

The threshold value that D2D signal measurements configures higher than base station;

The second threshold value that the first threshold value that D2D signal measurements configures higher than base station and the signal measurements of Serving cell configure lower than base station.

9. method according to claim 6, is characterized in that, after described base station sends measurement report, also comprises:

Base station sends the instruction of D2D connection setup or D2D to UE and access device and to communicate configuration information, carry in wherein said D2D connection setup instruction and/or described D2D communication configuration information: whether be the communication type of with described specified network carrying out communicate identify, and/or carry out to the described specified network of access the relevant configuration information that communicates if being used to indicate.

10. method according to claim 1, is characterized in that, access device and UE set up before D2D communicates, and comprising:

The discovery resource information that base station is broadcasted or described in clean culture, access device is used by eating dishes without rice or wine, and/or the synchronous signal information that described access device is used.

11. methods according to claim 1, is characterized in that, access device and UE set up before D2D communicates, and comprising:

Described UE sends D2D synchronizing signal and/or finds message, wherein, device type is carried in described D2D synchronizing signal and/or described discovery message, this device type comprises: be used to indicate D2D synchronizing signal and/or find that whether the sender of message is in the instruction finding described access device, and/or for distinguishing the indication information finding different described access devices or different described specified networks.

12. methods according to claim 11, is characterized in that, described method also comprises:

Described access device measures D2D signal power and/or the quality of described UE; Judge whether described signal power and/or quality meet the measurement event condition of base station configuration; When satisfied, then send measurement report to described base station, wherein, described measurement report is set up D2D communication indication information and is provided decision-making foundation for described base station issues.

13. methods according to claim 12, is characterized in that, described measurement event condition comprises one of following:

14. methods according to claim 12, is characterized in that, after described base station sends measurement report, also comprise:

15. methods according to claim 14, is characterized in that, base station, to after UE and access device send the instruction of D2D connection setup, also comprises:

Described access device receives the instruction of described D2D connection setup;

Described access device is the IP address that described UE distributes described UE and communicates with described specified network, and sends described IP address.

16. methods according to claim 1, is characterized in that, described method also comprises:

The discovery resource information that base station is broadcasted or described in clean culture, UE uses by eating dishes without rice or wine, wherein, described UE is the UE finding described access device or described specified network.

17. methods according to claim 1, is characterized in that, access device and user equipment (UE) apparatus for establishing also comprise before communicating to equipment D2D:

The resource information that the described access device that described UE reception base station indicates is special.

18. methods according to claim 17, is characterized in that, described resource information comprise following one of at least:

The scheduling assignment SA resource information that described access device is special, the data asset information that described access device is special.

19. methods according to claim 18, is characterized in that, described SA resource information comprises: the transmission direction indication information being used to indicate the data transfer direction of described access device.

20. methods according to claim 1, is characterized in that, described access device forwards from the data of described specified network to described UE or forwards the data from described UE to described specified network, comprising:

Described access device forwards the data from described specified network or described UE by back haul link backhaul mode.

21.. method according to claim 20, is characterized in that, described backhaul mode, comprising:

Wired backhaul and/or wireless backhaul.

The communication means of 22. 1 kinds of wireless networks, is characterized in that, comprising:

User equipment (UE) communicates to equipment D2D with access device apparatus for establishing, and wherein, described UE is by described access device access specified network;

The data that described UE is sent data by described access device to described specified network or receives from described specified network.

23. methods according to claim 22, is characterized in that, UE and access device are set up before D2D communicates, and comprising:

Described UE receives the D2D synchronizing signal of described access device transmission and/or finds message, and wherein, described D2D finds the type and/or the title that carry described specified network in message, and/or carries the type of described specified network in D2D synchronizing signal.

24. methods according to claim 22, is characterized in that, UE and access device apparatus for establishing comprise before communicating to equipment D2D:

Described UE receives the D2D synchronizing signal of described access device transmission and/or finds message, wherein, device type is carried in described D2D synchronizing signal and/or described discovery message, this device type comprises: be used to indicate the instruction whether described access device is access device, and/or for distinguishing the indication information of different access devices.

25. methods according to claim 22, is characterized in that, UE and access device apparatus for establishing comprise before communicating to equipment D2D:

Described UE receives the D2D discovery message that described access device sends, and wherein, described D2D finds that message carries the information of WLAN (wireless local area network) WLAN.

26. methods according to claim 25, is characterized in that, the information of described WLAN comprise following one of at least: service set SSID, basic service set identification BSSID, carrier frequency information, channel channel information.

27. methods according to any one of claim 23 to 26, is characterized in that, also comprise:

Described UE measures D2D signal power and/or the quality of described access device; Judge whether described signal power and/or quality meet the measurement event condition of base station configuration; When satisfied, then send measurement report to described base station, wherein, described measurement report is set up D2D indication information for described base station issues and is provided decision-making foundation.

28. methods according to claim 27, is characterized in that, described measurement report comprises: the described D2D synchronizing signal of D2D signal measurements, reception and/or the information of described discovery message.

29. methods according to claim 27, is characterized in that, described measurement event condition comprises one of following:

30. methods according to claim 27, is characterized in that, after described base station sends measurement report, also comprise:

UE receives the instruction of D2D connection setup or the D2D communication configuration information of the transmission of described base station, carry in wherein said D2D connection setup instruction and/or described D2D communication configuration information: whether be the communication type of with described specified network carrying out communicate identify, and/or carry out to the described specified network of access the relevant configuration information that communicates if being used to indicate.

31. methods according to claim 30, is characterized in that, after UE receives the D2D connection setup instruction of described base station transmission, also comprise:

It is the IP address that described UE distributes described UE and communicates with specified network that described UE receives described access device.

32. methods according to claim 22, is characterized in that, UE and access device apparatus for establishing comprise before communicating to equipment D2D:

Described UE receives the discovery resource information that base station is broadcasted or described in clean culture, access device is used by eating dishes without rice or wine, and/or the synchronous signal information that described access device is used.

33. methods according to claim 32, is characterized in that, described method also comprises:

Described UE receives the discovery resource information that described base station is broadcasted or described in clean culture, UE uses by eating dishes without rice or wine.

34. methods according to claim 22, is characterized in that, UE and access device apparatus for establishing also comprise before communicating to equipment D2D:

35. methods according to claim 34, is characterized in that, described resource information comprise following one of at least:

36. methods according to claim 35, is characterized in that, described SA resource information comprises: the transmission direction indication information being used to indicate the data transfer direction of described access device.

37. methods according to claim 22, is characterized in that, the data that described UE is sent data by described access device to described specified network or receives from described specified network, comprising:

Described UE adopts back haul link backhaul mode to be sent or reception data to described specified network by described access device.

38. methods according to claim 31, is characterized in that, described backhaul mode, comprising:

Wired backhaul and/or wireless backhaul.

39. 1 kinds of access devices, is characterized in that, comprising:

Communication module, communicates for the device-to-device D2D set up between described access device and user equipment (UE), and wherein, described UE is by described access device access specified network;

Forwarding module, for forwarding to described UE from the data of described specified network or forwarding the data from described UE to described specified network.

40. 1 kinds of user equipment (UE)s, is characterized in that, comprising:

Communication module, communicates for the device-to-device D2D set up between described UE and access device, and wherein, described UE is by described access device access specified network;

Transceiver module, for the data being sent data by described access device to described specified network or receive from described specified network.