CN105517059B

CN105517059B - A kind of the device-to-device D2D resource allocation methods and equipment of car networking terminal

Info

Publication number: CN105517059B
Application number: CN201410487384.4A
Authority: CN
Inventors: 唐纪晔; 冯媛; 郭宣羽; 周海军; 房家奕
Original assignee: Datang Telecom Technology Industry Holding Co Ltd
Current assignee: Datang Mobile Communications Equipment Co Ltd
Priority date: 2014-09-22
Filing date: 2014-09-22
Publication date: 2019-02-12
Anticipated expiration: 2034-09-22
Also published as: CN105517059A

Abstract

The invention discloses a kind of device-to-device D2D resource allocation methods of car networking terminal and equipment, to realize the D2D resource allocation of terminal in car networking system, and can be realized the interference coordination of the terminal to the marginal portion for being located at adjacent control regions.First scheme is that mutually orthogonal D2D resource is preset in each adjacent subarea domain in the fringe region of the D2D resource control entity in preset configuration information, and be subregion adjacent to each other in the fringe region of the fringe region of D2D resource control entity and adjacent D2D resource control entity, preset mutually orthogonal D2D resource；Alternative plan is the first D2D resource control entity in the fringe region for locally saving more than one adjacent the 2nd D2D resource control entity, the D2D resource occupation information of second subregion adjacent with the first subregion, is terminal distribution D2D resource according to the occupied information of the second subregion.

Description

A kind of the device-to-device D2D resource allocation methods and equipment of car networking terminal

Technical field

The present invention relates to field of communication technology more particularly to a kind of device-to-device (the Device to of car networking terminal Device, D2D) resource allocation methods and equipment.

Background technique

The car networking communication system of vehicle active safety is that the information of vehicle and road is obtained based on wireless communication technique, is led to It crosses vehicle vehicle, bus or train route information exchange and shares and realize intelligent coordinated between vehicle and infrastructure and cooperation, reach Optimum utilization system The purpose for resource, raising traffic safety, the alleviation traffic congestion of uniting.

The car networking communication system of vehicle active safety has higher requirement to communication delay, therefore is generally used short distance The self-organization network technology of communication.At present in car networking field, the form used according to radio resource, self-organizing that there are two main classes Network technology, one is dedicated short-distance wireless communication (DSRC) technologies based on IEEE 802.11p, this is oneself of asynchronous communication Organize network；Another kind is to move the synchronous communication self-organizing network that CDMA slotted ALOHA (MS-ALOHA) is representative.

Each terminal requires to be communicated in self-organizing network, but the mutual strange and dynamic change of each terminal, to guarantee Safety is required comprising no small security information data in each data that each terminal is sent；For using MS-ALOHA The self-organizing system of mechanism also needs the information such as sending time slots occupancy in this way.These all reduce the transmission of payload data Amount influences the efficiency of communication link, is also unfavorable for the extension of communication function very much.

Terminal sends and receives data all under the control of a network in cell mobile communication systems, distributes nothing by grid Line resource, and data are transmitted by network.To meet specific communication requirement, 3GPP has also carried out device-to-device The discussion and research of (Device to Device, D2D) communication service.

3GPP D2D technology includes close to service discovery (D2D Discovery) and close to communication for service (D2D Communication) two major classes function.As shown in Figure 1, two kinds of Linktypes can be defined: D2D link: referring to equipment and equipment Between the link that is directly communicated；Equipment is to network (D2N) link: the link communicated between equipment and network node. The UE for participating in D2D Discovery/Communication is divided to for two kinds of roles: D2D sends UE: i.e. transmission D2D The UE of Discovery/Communication message；D2D receives UE: i.e. reception D2D sends the D2D Discovery/ that UE is sent The UE of Communication message.

For 3GPP D2D technology, mainly using the band inner portion for having distributed frequency spectrum, a small amount of terminal can activate D2D industry Business, and the terminal of car networking requires distribution frequency spectrum resource, the characteristic of 3GPP D2D technology is different from the demand that car networking is applied, Therefore the radio resource allocation mode of terminal can not directly use for reference the nothing of terminal in 3GPP D2D technology in vehicle network communication system Line resource distribution mode.

As it can be seen that needing to seek a kind of terminal resource distribution method for car networking communication system.

Summary of the invention

The embodiment of the present invention provides the device-to-device D2D resource allocation methods and equipment of a kind of car networking terminal, to It realizes the D2D resource allocation of terminal in car networking system, and can be realized the end to the marginal portion for being located at adjacent control regions The interference coordination at end.

Specific technical solution provided in an embodiment of the present invention is as follows:

In a first aspect, providing a kind of device-to-device D2D resource allocation methods of car networking terminal, comprising:

D2D resource control entity receives the first signal that terminal is sent by base station, at least carries in first signal There is the location information of the terminal；

The D2D resource control entity determines that the terminal is located at the D2D resource according to the location information of the terminal When the fringe region of controlled entity institute management region, the first subregion of the fringe region belonging to the terminal is determined；

It is the preset D2D resource of first subregion that the D2D resource control entity, which obtains in preset configuration information, And the occupied information of the preset D2D resource of first subregion of preservation is obtained, according to the preset D2D of the first subregion The occupied information of resource selects idle D2D resource allocation to the end from the preset D2D resource of first subregion End；

The D2D resource control entity sends the instruction information of the D2D resource of distribution by the base station to the terminal；

It is each phase in the fringe region of D2D resource control entity institute management region in the preset configuration information Adjacent subregion, presets mutually orthogonal D2D resource, and for the fringe region of D2D resource control entity institute management region with Subregion adjacent to each other in the fringe region that adjacent D2D resource control entity is managed presets mutually orthogonal D2D money Source, the subregion are made of the fringe region of integer cellular cell.

Preferably, the fringe region of the D2D resource control entity institute management region subregion group equivalent by 3 sizes At each subregion includes the fringe region of two cellular cells；

It is the different subdivisions that each subregion presets total D2D resource in the preset configuration information, it is described Total D2D resource is divided into three mutually orthogonal subdivisions, and in the fringe region of the D2D resource control entity with it is adjacent The fringe region that is managed of D2D resource control entity in subregion adjacent to each other preset the different of total D2D resource Subdivision.

Preferably, the number for the subregion that the fringe region of D2D resource control entity institute management region includes is equivalent Number in the cellular cell that the D2D resource control entity is managed, the edge of the corresponding cellular cell of each subregion Region；

Total D2D resource is divided into four mutually orthogonal subdivisions；

It is two sub-portions that the D2D resource control entity configures total D2D resource in the preset configuration information Point, the subdivision of the different total D2D resource of the adjacent subarea configuration of territory of the fringe region, and total D2D resource Two subdivisions of two subdivisions and total D2D resource that adjacent D2D resource control entity is configured are not exactly the same.

Preferably, D2D resource control entity receives the first signal that terminal is sent by base station, comprising:

The D2D resource control entity receives described in the terminal sent using preset duration as the period by the base station First signal.

Preferably, after the D2D resource control entity receives first signal, further includes:

The D2D resource control entity is saved or is updated in the preset D2D resource occupation information of the subregion The location information of the terminal；

The D2D resource control entity is after the terminal distribution D2D resource, further includes:

The D2D resource control entity saves or more in the occupied information of the preset D2D resource of first subregion The D2D resource occupation information of the new terminal.

Preferably, the D2D resource control entity is according to the occupied information of the preset D2D resource of first subregion, From idle D2D resource allocation is selected in the preset D2D resource of first subregion, to after the terminal, the method is also wrapped It includes:

The D2D resource control entity receives the second signal that the terminal is sent by the base station, second letter D2D time interval resource collision accident instruction information is carried in number；

If the D2D resource control entity determines that the terminal still belongs to according to the location information of the terminal of newest acquisition When the first subregion of the fringe region, according to the occupied information of the preset D2D resource of first subregion, from described Select idle new D2D resource allocation to the terminal in the preset D2D resource of first subregion, by the base station to institute State the instruction information that terminal sends the new D2D resource of distribution；

If determining that the terminal is moved to the of the fringe region according to the location information of the terminal of newest acquisition When two subregions, obtaining in preset configuration information is the preset D2D resource of second subregion, and obtains the described of preservation The occupied information of the preset D2D resource of second subregion, according to the occupied information of the preset D2D resource of second subregion, It selects idle new D2D resource allocation to the terminal from the preset D2D resource of second subregion, passes through the base It stands and sends the instruction information of the new D2D resource of distribution to the terminal；

If it is real to determine that the terminal is moved to the D2D resources control according to the location information of the terminal of newest acquisition When the central area of body institute management region, the occupied information of the D2D resource of the central area is obtained, according to the central area The occupied information of D2D resource select idle new D2D resource allocation to the end from the D2D resource of the central area End sends the instruction information of the new D2D resource of distribution by the base station to the terminal；

If determining that the terminal is moved to adjacent D2D resources control according to the location information of the terminal of newest acquisition Entity is the terminal distribution D2D resource by the adjacent D2D resource control entity.

Preferably, the D2D resource timeslot quality of reception of the terminal position is also carried in first signal；

The D2D resource control entity is according to the occupied information of the preset D2D resource of first subregion, from described Before the D2D resource for selecting the free time in the preset D2D resource of one subregion, comprising:

The D2D resource control entity determines that interference signal intensity is greater than according to the quality of reception of the D2D resource timeslot The time slot of given threshold；

The D2D resource control entity is according to the occupied information of the preset D2D resource of first subregion, from described After selecting idle D2D resource in the preset D2D resource of one subregion, the method also includes:

The signal strength of disturbing for determining the time slot of the D2D resource of selection and determining is greater than the time slot of given threshold not It is identical, give the D2D resource allocation of selection to the terminal.

Preferably, the D2D resource of the free time includes unappropriated D2D in the preset D2D resource of first subregion The the allocated but D2D resource that can be multiplexed, described to answer in resource and the preset D2D resource of first subregion D2D resource is the occupied resource of terminal being greater than the set value at a distance from the terminal.

Second aspect provides a kind of device-to-device D2D resource allocation methods of car networking terminal, comprising:

First D2D resource control entity receives the first signal for sending by base station of terminal, in first signal at least Carry the location information of the terminal；

The first D2D resource control entity determines that the terminal is located at described first according to the location information of the terminal First subregion of the fringe region of D2D resource control entity institute management region；

The first D2D resource control entity determines what more than one adjacent the 2nd D2D resource control entity was managed Second subregion adjacent with first subregion in fringe region obtains and each of locally saves second subregion D2D resource occupation information, the D2D resource occupation information include the location information and its occupancy for the terminal for having distributed D2D resource D2D resource information；

The first D2D resource control entity is according to the location information of the terminal and each second subregion D2D resource occupation information is the D2D resource of the terminal distribution free time；

The first D2D resource control entity sends the instruction of the D2D resource of distribution by the base station to the terminal Information.

Preferably, the first D2D resource control entity obtains the D2D resource occupation information of each second subregion Before, comprising:

A length of period when the first D2D resource control entity is to set, from each of adjacent 2nd D2D resource control The D2D resource that all subregion adjacent with the fringe region of the first D2D resource control entity management is obtained in entity processed accounts for With information and save.

Preferably, the first D2D resource control entity receives the first signal that terminal is sent by base station, comprising:

The first D2D resource control entity receives what the terminal was sent as the period by the base station using preset duration First signal.

Preferably, after the first D2D resource control entity receives first signal, further includes:

The first D2D resource control entity is saved or is updated in the D2D resource occupation information of first subregion The location information of the terminal；

The first D2D resource control entity is after the terminal distribution D2D resource, further includes:

The first D2D resource control entity saves in the first subregion D2D resource occupation information or updates institute State the D2D resource occupation information of terminal.

Preferably, the first D2D resource control entity is according to the location information of the terminal and each described second The D2D resource occupation information of subregion, after the D2D resource of the terminal distribution free time, the method also includes:

The first D2D resource control entity receives the second signal that the terminal is sent by the base station, and described D2D time interval resource collision accident instruction information is carried in binary signal；

Location information and newest acquisition of the first D2D resource control entity according to the terminal of newest acquisition Second subregion D2D resource occupation information, be the terminal distribution free time new D2D resource, pass through the base It stands and sends the instruction information of the new D2D resource of distribution to the terminal.

The first D2D resource control entity is according to the location information of the terminal and each second subregion D2D resource occupation information, before the D2D resource of the terminal distribution free time, the method also includes:

The first D2D resource control entity determines interference signal intensity according to the quality of reception of the D2D resource timeslot Greater than the time slot of given threshold；

The first D2D resource control entity is according to the location information of the terminal and each second subregion D2D resource occupation information is the D2D resource of the terminal distribution free time, comprising:

The first D2D resource control entity is according to the location information of the terminal and each second subregion D2D resource occupation information selects idle D2D resource, determines that the time slot of the D2D resource of selection and the described of determination disturb letter The time slot that number intensity is greater than given threshold is not identical, gives the D2D resource allocation of selection to the terminal.

Preferably, a length of period when the first D2D resource control entity is to set, from each of adjacent described second The all subregion adjacent with the fringe region of the first D2D resource control entity management is obtained in D2D resource control entity While D2D resource occupation information, the method also includes:

A length of period when the first D2D resource control entity is to set, from each of adjacent 2nd D2D resource control The time interval resource for obtaining all subregion adjacent with the fringe region of the first D2D resource control entity management in entity processed touches Event instruction information is hit, the end as the receiving end in D2D communication is carried in the time interval resource collision accident instruction information End mark；

The first D2D resource control entity is according to the location information of the terminal and each second subregion D2D resource occupation information, after the D2D resource of the terminal distribution free time, the method also includes:

The first D2D resource control entity determines that the terminal and the receiving end carry out D2D communication, according to the end The D2D resource occupation information of the location information at end and each second subregion is the new of the terminal distribution free time D2D resource sends the instruction information of the new D2D resource of distribution by the base station to the terminal.

The third aspect provides a kind of device-to-device D2D resource control entity, comprising:

Receiving module, the first signal sent for receiving terminal by base station at least carry in first signal The location information of the terminal；

First processing module, for determining that the terminal is located at the D2D resource control according to the location information of the terminal When the fringe region of entity institute processed management region, the first subregion of the fringe region belonging to the terminal is determined；

Second processing module is the preset D2D resource of first subregion for obtaining in preset configuration information, and The occupied information for obtaining the preset D2D resource of first subregion saved is provided according to the preset D2D of first subregion The occupied information in source selects idle D2D resource allocation to the terminal from the preset D2D resource of first subregion；

Sending module, the instruction information of the D2D resource for sending distribution to the terminal by the base station；

Total D2D resource is divided into four mutually orthogonal subdivisions；

Preferably, the receiving module is specifically used for:

Receive first signal that the terminal is sent as the period by the base station using preset duration.

Preferably, further include memory module, be used for:

After the receiving module receives first signal, in the preset D2D resource occupation letter of the subregion The location information of the terminal is saved or updated in breath；

And be used for after the Second processing module is the terminal distribution D2D resource, it is pre- in first subregion If D2D resource occupied information in save or update the D2D resource occupation information of the terminal.

Preferably, the receiving module is also used to:

The second signal that the terminal is sent by the base station is received, D2D time slot money is carried in the second signal Source collision accident indicates information；

If the first processing module determines that the terminal is still fallen within according to the location information of the terminal of newest acquisition When the first subregion of the fringe region, the Second processing module is according to the preset D2D resource of first subregion Occupied information selects idle new D2D resource allocation to the terminal from the preset D2D resource of first subregion, Indicate that the sending module sends the instruction information of the new D2D resource of distribution by the base station to the terminal；

If the first processing module determines that the terminal is moved to according to the location information of the terminal of newest acquisition When the second subregion of the fringe region, it is second sub-district that the Second processing module, which obtains in preset configuration information, The preset D2D resource in domain, and the occupied information of the preset D2D resource of second subregion of preservation is obtained, according to described The occupied information of the preset D2D resource of two subregions selects idle new from the preset D2D resource of second subregion D2D resource allocation gives the terminal, indicates that the sending module sends the described new of distribution to the terminal by the base station D2D resource instruction information；

If the first processing module determines that the terminal is moved to according to the location information of the terminal of newest acquisition When the central area of D2D resource control entity institute management region, the Second processing module obtains the central area The occupied information of D2D resource, according to the occupied information of the D2D resource of the central area from the D2D resource of the central area The idle new D2D resource allocation of middle selection gives the terminal, indicates the sending module by the base station to the terminal Send the instruction information of the new D2D resource of distribution；

If the first processing module determines that the terminal is moved to according to the location information of the terminal of newest acquisition Adjacent D2D resource control entity is the terminal distribution D2D resource by the adjacent D2D resource control entity.

The Second processing module is also used to:

According to the occupied information of the preset D2D resource of first subregion, from the preset D2D money of first subregion Before selecting idle D2D resource in source, according to the quality of reception of the D2D resource timeslot, determine that interference signal intensity is greater than The time slot of given threshold；

According to the occupied information of the preset D2D resource of first subregion, from the preset D2D money of first subregion After selecting idle D2D resource in source, determine that the time slot of the D2D resource of selection and the interference signal intensity determined are big It is not identical in the time slot of given threshold, give the D2D resource allocation of selection to the terminal.

Fourth aspect provides a kind of D2D resource control entity, comprising:

First processing module, for determining that the terminal is located at the first D2D money according to the location information of the terminal First subregion of the fringe region of source controlled entity institute management region；

Second processing module, the marginal zone managed for determining more than one adjacent the 2nd D2D resource control entity Second subregion adjacent with first subregion in domain obtains the D2D money for each of locally saving second subregion Source occupied information, the D2D resource occupation information include the location information for the terminal for having distributed D2D resource and its D2D of occupancy Resource information；

Third processing module, for being provided according to the location information of the terminal and the D2D of each second subregion Source occupied information is the D2D resource of the terminal distribution free time；

Sending module, the instruction information of the D2D resource for sending distribution to the terminal by the base station.

Preferably, the Second processing module is also used to:

Before the D2D resource occupation information for obtaining each second subregion, a length of period when setting, from adjacent It is obtained in each 2nd D2D resource control entity adjacent with the fringe region of the first D2D resource control entity management All subregion D2D resource occupation information and save.

Preferably, the receiving module is specifically used for:

Preferably, further include memory module, be used for:

After the receiving module receives first signal, in the D2D resource occupation information of first subregion Save or update the location information of the terminal；

And it is used for:

After the third processing module is the terminal distribution D2D resource, in the first subregion D2D resource occupation The D2D resource occupation information of the terminal is saved or updated in information.

Preferably, the receiving module is also used to:

The third processing module is also used to:

It is provided according to the D2D of the location information of the terminal of newest acquisition and second subregion of newest acquisition Source occupied information is the new D2D resource of the terminal distribution free time, sends the institute of distribution to the terminal by the base station State the instruction information of new D2D resource.

The third processing module is also used to:

Before D2D resource for the terminal distribution free time, according to the quality of reception of the D2D resource timeslot, determine dry Disturb the time slot that signal strength is greater than given threshold；

According to the D2D resource occupation information of the location information of the terminal and each second subregion, selection is empty After not busy D2D resource, the interference signal intensity for determining the time slot of the D2D resource of selection and determining is greater than given threshold Time slot it is not identical when, by the D2D resource allocation of selection give the terminal.

Preferably, the Second processing module is also used to:

A length of period when setting obtains and described first from each of adjacent 2nd D2D resource control entity The time interval resource collision accident of the adjacent all subregion of the fringe region of D2D resource control entity management indicates information, when described The terminal iidentification as the receiving end in D2D communication is carried in gap resource collision event instruction information；

The third processing module is also used to:

After D2D resource for the terminal distribution free time, determine that the terminal and the receiving end carry out D2D communication, It is the terminal distribution according to the D2D resource occupation information of the location information of the terminal and each second subregion Idle new D2D resource sends the instruction information of the new D2D resource of distribution by the base station to the terminal.

Detailed description of the invention

Fig. 1 is existing 3GPP D2D discovery/communication scheme；

Fig. 2 is the system architecture schematic diagram for carrying out D2D resource allocation in the embodiment of the present invention using cellular network；

Fig. 3 is the method flow schematic diagram that D2D resource control entity is terminal distribution D2D resource in the embodiment of the present invention；

Fig. 4 is the sub-zone dividing schematic diagram of the fringe region of D2D resource control entity in the embodiment of the present invention；

Fig. 5 is another sub-zone dividing schematic diagram of the fringe region of D2D resource control entity in the embodiment of the present invention；

Another D2D resource control entity is that the method flow of terminal distribution D2D resource is illustrated in Fig. 6 embodiment of the present invention Figure；

Fig. 7 is D2D resource control entity structural schematic diagram in the embodiment of the present invention；

Fig. 8 is another D2D resource control entity structural schematic diagram in the embodiment of the present invention；

Fig. 9 is another D2D resource control entity structural schematic diagram in the embodiment of the present invention；

Figure 10 is another D2D resource control entity structural schematic diagram in the embodiment of the present invention.

Specific embodiment

To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention make into It is described in detail to one step, it is clear that described embodiments are only a part of the embodiments of the present invention, rather than whole implementation Example.Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts All other embodiment, shall fall within the protection scope of the present invention.

Using cellular network be car networking terminal distribution D2D resource scheme in, it is shown in Figure 2, vehicle termination with D2N link is established between base station, which is wireless communication link conventional in cellular network, and system will by D2N link The D2D resource of distribution is sent to vehicle termination, and the D2D resource of the terminal based on distribution and adjacent vehicle termination establish D2D link And carry out D2D transmission.

D2D resource control entity is set in network side, is managed under several cellular cells by the D2D resource control entity Vehicle termination, the vehicle termination in cellular cell need to give the information reportings such as position into D2D resource control entity, D2D resource control Entity processed is provided according to the location information and D2D resource occupation information of vehicle termination for the idle D2D of vehicle termination distribution Source.

Wherein, which can be arranged in identical network element with base station, also can be set on base station In other network elements of layer, or in the individual network element of network settings as D2D resource control entity.If D2D resource control entity It is arranged in identical network element with base station, then D2D resource control entity is base station；If D2D resource control entity is arranged in base It stands in the network element on upper layer, intermediate node of the base station as D2D resource control entity and terminal is responsible for the forwarding of message.

When being car networking terminal distribution D2D resource using cellular network, it is also necessary to coordinate to be located at adjacent cells side Interference problem between the vehicle termination of edge is based on this, and the invention proposes following embodiments, to be using cellular network Vehicle network termination distributes D2D resource, and can carry out interference coordination to the car networking terminal for being located at cell edge, to avoid The terminal room at adjacent cells edge interferes with each other.

In following embodiment, idle D2D resource includes unappropriated in the preset D2D resource of first subregion The the allocated but D2D resource that can be multiplexed in D2D resource and the preset D2D resource of first subregion, it is described can The D2D resource of multiplexing is that the occupied resource of terminal of (multiplex distance) is greater than the set value at a distance from the terminal.

In first scheme provided in an embodiment of the present invention, D2D resource control entity institute management region is divided into center Domain and fringe region, and fringe region is divided into all subregion, each subregion by integer cellular cell fringe region Composition.

Configuration information is preset in each D2D resource control entity, the D2D resources control is directed in the configuration information Mutually orthogonal D2D resource is preset in each adjacent subarea domain of the fringe region of entity institute management region, and is D2D resources control Son adjacent to each other in the fringe region that the fringe region of entity institute management region and adjacent D2D resource control entity are managed Mutually orthogonal D2D resource is preset in region.

In first embodiment of the invention, as shown in figure 3, being the terminal distribution in control area by D2D resource control entity The method detailed process of D2D resource is as follows:

Step 301:D2D resource control entity receives the first signal for sending by base station of terminal, in first signal extremely The location information of the terminal is carried less.

In the embodiment of the present invention, the mode for not obtaining the location information of itself to terminal is limited, for that can obtain The mode of own location information is suitable for the present invention, for example, terminal is obtained accurately using modes such as global positioning system (GPS) Location information.

Specifically, D2D resource control entity receives the first signal that terminal is sent as the period by base station using preset duration. It, can be with (such as the D2D communication of the service condition of the D2D resource of carried terminal in the first signal that terminal reports in specific implementation Quality) etc. information.

In a specific embodiment, base station carries out semi-continuous scheduling to terminal in physics (MAC) layer, to realize with default The Shi Changwei period obtains the location information of terminal, and which can reduce Physical Downlink Control Channel (PDCCH) letter of D2N link The expense in road.

In specific implementation, after terminal booting, before sending the first signal by the Radio Link of cellular network, the terminal It needs to establish wireless heterogeneous networks (RRC) with network side first to connect, is the dedicated money of terminal distribution D2N link by network side Source.In cellular cell planning and D2D resource control entity overlay area planning process, the parameter of system, including terminal are configured The transmission power of D2D link, the parameters such as multiplex distance of D2D link circuit resource.

Step 302:D2D resource control entity determines that the terminal is located at the D2D resources control according to the location information of terminal When the fringe region of entity institute management region, the first subregion of fringe region belonging to the terminal is determined.

Preferably, D2D resource control entity institute management region, according to the transmission power of terminal, by the side of institute's management region The area within line of demarcation that region determined by double bounce transmission range is determined as fringe region, the double bounce transmission range within boundary Region centered on domain.

It is the preset D2D resource of the first subregion in preset configuration information that step 303:D2D resource control entity, which obtains, And the occupied information of the preset D2D resource of first subregion of preservation is obtained, according to the preset D2D resource of first subregion Occupied information, select idle D2D resource allocation to the terminal from the preset D2D resource of first subregion.

It wherein, is each adjacent in the fringe region of D2D resource control entity institute management region in preset configuration information Subregion, presets mutually orthogonal D2D resource, and for the fringe region of the D2D resource control entity institute management region with it is adjacent The fringe region that is managed of D2D resource control entity in subregion adjacent to each other, preset mutually orthogonal D2D resource, should Subregion is made of the fringe region of integer cellular cell.

Preferably, after D2D resource control entity receives first signal, in the preset D2D money of the subregion The location information of the terminal is saved or updated in the occupied information of source；

D2D resource control entity be the terminal distribution D2D resource after, in the preset D2D resource of first subregion Occupied information in save or update the D2D resource occupation information of the terminal.

Step 304:D2D resource control entity sends the instruction of the D2D resource of distribution by the base station to the terminal Information.

In the embodiment of the present invention, D2N link and D2D link are not binding relationships, and the switching of D2N link not will lead to D2D Resource is redistributed, and equally, D2D link circuit resource redistributes the switching that will not lead to D2N link.Wherein, D2N link Switching is identical as the link switching process in cellular network, i.e., the signal of the adjacent cellular cell of cellular cell is currently located in terminal Quality is better than when deserving preceding cellular cell, the D2N link switching of triggering terminal to the neighbour cellular cell.

Preferably, in the embodiment of the present invention, only when terminal detects that the time interval resource of D2D resource collides, triggering D2D resource re-allocation process.Marginal zone is moved to from the central area of D2D resource control entity institute management region in terminal Perhaps terminal is moved to region that adjacent D2D resource control entity is managed or terminal from D2D resource control entity in domain The fringe region of institute's management region is moved to central area, if terminal and the time interval resource of D2D resource be not detected colliding, D2D resource re-allocation process will not be triggered.

Specifically, D2D resource control entity receives the terminal and passes through after for the first time successfully for terminal distribution D2D resource The second signal that the base station is sent carries D2D time interval resource collision accident instruction information in the second signal, need for The terminal redistributes idle, new D2D resource.

This is preferably carried out in mode, according to the location information where the terminal of newest acquisition, there is following several divide again Mode with D2D resource:

First way, if D2D resource control entity is according to the determination of the location information of the terminal of newest acquisition When terminal still falls within the first subregion of the fringe region, believed according to the occupancy of the preset D2D resource of first subregion Breath selects idle new D2D resource allocation to the terminal from the preset D2D resource of first subregion, passes through institute State the instruction information that base station sends the new D2D resource of distribution to the terminal；

The second way, if D2D resource control entity is according to the determination of the location information of the terminal of newest acquisition When terminal is moved to the second subregion of the fringe region, obtaining in preset configuration information is that second subregion is default D2D resource, and the occupied information of the preset D2D resource of second subregion of preservation is obtained, according to second sub-district The occupied information of the preset D2D resource in domain selects idle new D2D money from the preset D2D resource of second subregion The terminal is distributed in source, sends the instruction information of the new D2D resource of distribution to the terminal by the base station；

The third mode, if D2D resource control entity is according to the determination of the location information of the terminal of newest acquisition When terminal is moved to the central area of D2D resource control entity institute management region, the D2D resource of the central area is obtained Occupied information, sky is selected from the D2D resource of the central area according to the occupied information of the D2D resource of the central area Not busy new D2D resource allocation gives the terminal, sends the new D2D resource of distribution to the terminal by the base station Instruction information；

4th kind of mode, if D2D resource control entity is according to the determination of the location information of the terminal of newest acquisition Terminal is moved to adjacent D2D resource control entity, is the terminal distribution D2D by the adjacent D2D resource control entity Resource.

Preferably, the D2D resource timeslot quality of reception of the terminal position is also carried in the first signal；

The location information carried in first signal according to the D2D resource control entity is that terminal selection is idle Before D2D resource, according to the quality of reception of the D2D resource timeslot, determine that interference signal intensity determines greatly the time slot of threshold value, In, interference signal intensity is bigger, and the quality of reception of the time slot is poorer, and interference signal intensity is smaller, and the quality of reception of the time slot is got over Excellent, the time slot for being herein greater than the set value interference signal intensity is determined as the time slot for being unsatisfactory for requiring；

In the embodiment, the division for the subregion that the fringe region according to D2D resource control entity institute management region includes The difference of mode and the preset D2D resource of each subregion has following two specific embodiment:

In the first embodiment, as shown in figure 4, the directorial area of the corresponding D2D resource control entity of each circle of dotted line The fringe region in domain, D2D resource control entity institute management region is made of 3 equivalent subregions of size, each subregion packet The fringe region of two cellular cells is included, the line of demarcation between adjacent subarea domain uses the line of demarcation of cellular cell.

Wherein, in preset configuration information it is different subdivisions that each subregion presets total D2D resource, this is total D2D resource is divided into three mutually orthogonal subdivisions, and in the fringe region of D2D resource control entity with adjacent D2D Subregion adjacent to each other presets the different subdivisions of total D2D resource in the fringe region that resource control entity is managed.

Wherein, the central area of D2D resource control entity institute management region will not be to adjacent D2D resource control entity institute Management region interferes, and therefore, arbitrary D2D resource can be used in the terminal of central area.And the side of a cellular cell The 1/6 of total D2D resource can be used in the terminal in edge region.

In second of embodiment, as shown in figure 5, the directorial area of the corresponding D2D resource control entity of each circle of dotted line The number in domain, the subregion that the fringe region of D2D resource control entity institute management region includes is equal to the D2D resources control The number for the cellular cell that entity is managed, the fringe region of the corresponding cellular cell of each subregion, adjacent subarea domain Boundary directlys adopt the boundary of neighboring community；

Total D2D resource is divided into four mutually orthogonal subdivisions；

Preferably, in preset configuration information it is two sons that the D2D resource control entity configures total D2D resource Part, the subdivision of the different total D2D resource of the adjacent subarea configuration of territory of the fringe region, and total D2D resource Two subdivisions of total D2D resource for being configured of two subdivisions and adjacent D2D resource control entity it is not exactly the same.It should It is preferably carried out in mode, the 1/4 of total D2D resource can be used in the fringe region of a cellular cell, than the first embodiment party Formula improves resource utilization.

In specific implementation, or each subdivision of the fringe region of D2D resource control entity institute management region is default The subdivision of different total D2D resource；3 can also be chosen from three subdivisions of total D2D resource be allocated to edge The all subregion in region, wherein the subdivision of same total D2D resource is arranged in non-conterminous two sub-regions.Regardless of which kind of is used Configuration mode, it is only necessary to can satisfy the D2D money of the adjacent subarea configuration of territory for the fringe region that D2D resource control entity is managed Source is mutually orthogonal, and is the fringe region of the D2D resource control entity institute management region and adjacent D2D resource control entity institute The D2D resource of subregion adjacent to each other in the fringe region of management, configuration is mutually orthogonal.

Wherein, the central area of D2D resource control entity institute management region will not be to adjacent D2D resource control entity institute Management region interferes, and therefore, arbitrary D2D resource can be used in central area.

It is each phase in the fringe region of D2D resource control entity institute management region in configuration information in the embodiment Adjacent subregion presets mutually orthogonal D2D resource, and is the fringe region and phase of the D2D resource control entity institute management region Subregion adjacent to each other, presets mutually orthogonal D2D resource in the fringe region that adjacent D2D resource control entity is managed, According to the idling-resource that the configuration information is in the preset D2D resource of subregion where terminal selects it, adjacent D2D can be realized Interference coordination between the fringe region of resource control entity.

In the alternative plan that the embodiment of the present invention improves, D2D resource control entity and adjacent D2D resource control entity are handed over The mutually information of the location information of the terminal in the fringe region of respective institute management region and occupied D2D resource, D2D resource control Entity processed is accounted for according to the location information and D2D resource for the terminal being located in fringe region in adjacent D2D resource control entity Be the terminal distribution D2D resource in fringe region with information, thus realize adjacent D2D resource control entity institute management region it Between interference coordination.

In second embodiment of the invention, as shown in fig. 6, in fringe region of the D2D resource control entity for institute's management region Terminal distribution D2D resource method detailed process it is as follows:

Step 601: the first D2D resource control entity receives the first signal that terminal is sent by base station, first letter The location information of the terminal is at least carried in number.

Preferably, the first D2D resource control entity is received the terminal and is sent out using preset duration as the period by the base station First signal sent.It, can be with the use of the D2D resource of carried terminal in the first signal that terminal reports in specific implementation The information such as situation (such as D2D communication quality).

Step 602: the first D2D resource control entity determines the terminal positioned at described according to the location information of the terminal First subregion of the fringe region of the first D2D resource control entity institute management region.

Preferably, any D2D resource control entity institute management region, according to the transmission power of terminal, by institute's management region Boundary within the line of demarcation that is determined as fringe region, the double bounce transmission range of region determined by double bounce transmission range Region centered on region.

In a specific implementation, the fringe region of any D2D resource management entity institute management region is small by six honeycombs The fringe region in area forms, and is divided into three sub-regions for the fringe region of the management region is third, wherein each subregion includes The fringe region of two cellular cells, the boundary in adjacent subarea domain are the boundary of cellular cell；

In another specific implementation, the fringe region of any D2D resource management entity institute management region is by six honeycombs The fringe region of cell forms, and the fringe region six of the management region is divided into six sub-regions, wherein each subregion includes The fringe region of one cellular cell, the boundary in adjacent subarea domain are the boundary of cellular cell.

Step 603: the first D2D resource control entity determines that 2nd D2D resource control entity of more than one adjacent is managed Second subregion adjacent with first subregion in the fringe region of reason, acquisition each of locally save second sub-district The D2D resource occupation information in domain, the D2D resource occupation information include the terminal for having distributed D2D resource location information and its The D2D resource information of occupancy.

Preferably, a length of period when the first D2D resource control entity is to set provides from each of adjacent 2nd D2D The D2D that all subregion adjacent with the fringe region of the first D2D resource control entity management is obtained in the controlled entity of source is provided Source occupied information simultaneously saves.

Step 604: location information and each second sub-district of the first D2D resource control entity according to the terminal The D2D resource occupation information in domain is the D2D resource of the terminal distribution free time；

Specifically, the first D2D resource control entity receives institute after for the first time for the D2D resource of terminal distribution free time The second signal that terminal is sent by the base station is stated, the instruction of D2D time interval resource collision accident is carried in the second signal Information needs to redistribute idle, new D2D resource for the terminal, specific as follows:

First D2D resource control entity is according to the location information of the terminal of newest acquisition and the institute of newest acquisition State the D2D resource occupation information of the second subregion, be the terminal distribution free time new D2D resource, by the base station to The terminal sends the instruction information of the new D2D resource of distribution.

Step 605: the first D2D resource control entity sends the D2D resource distributed to the terminal by the base station Indicate information.

Preferably, it after the first D2D resource control entity receives first signal, is provided in the D2D of first subregion The location information of the terminal is saved or updated in the occupied information of source；

The first D2D resource control entity be the terminal distribution D2D resource after, the first subregion D2D provide The D2D resource occupation information of the terminal is saved or updated in the occupied information of source.

Before first D2D resource control entity is the D2D resource of the terminal distribution free time, when according to the D2D resource The quality of reception of gap determines that interference signal intensity is greater than the time slot of given threshold；

The first D2D resource control entity is according to the location information of the terminal and each second subregion D2D resource occupation information after selecting idle D2D resource, determines that the time slot of the D2D resource of selection and the interference signal determined are strong The time slot that degree is greater than given threshold is not identical, gives the D2D resource allocation of selection to the terminal.

Preferably, a length of period when the first D2D resource control entity is to set, from each of adjacent 2nd D2D resource control The D2D resource that all subregion adjacent with the fringe region of the first D2D resource control entity management is obtained in entity processed accounts for While with information, a length of period when setting, from each of adjacent 2nd D2D resource control entity obtain with it is described The time interval resource collision accident of the adjacent all subregion of the fringe region of first D2D resource control entity management indicates information, institute State the terminal iidentification carried in time interval resource collision accident instruction information as the receiving end in D2D communication；

First D2D resource control entity is according to the location information of the terminal and the D2D of each second subregion Resource occupation information determines that the terminal and the receiving end carry out D2D after the D2D resource of the terminal distribution free time Communication is the terminal according to the D2D resource occupation information of the location information of the terminal and each second subregion Idle new D2D resource is distributed, the instruction for the new D2D resource for sending distribution to the terminal by the base station is believed Breath.

In the embodiment, the first D2D resource control entity is locally saving more than one adjacent the 2nd D2D resources control The D2D resource occupation information for the fringe region that entity is managed, according to 2nd D2D resource control entity institute of more than one adjacent The D2D resource occupation information of the fringe region of management is terminal distribution free time D2D resource, so as to realize adjacent D2D resource Interference coordination between the fringe region of controlled entity.

Based on the same inventive concept, in third embodiment of the invention, a kind of D2D resource control entity, the D2D are additionally provided The specific implementation of resource control entity can be found in the description of D2D resource control entity in first embodiment, and it is no longer superfluous to repeat place It states, as shown in fig. 7, the D2D resource control entity specifically includes that

Receiving module 701, the first signal sent for receiving terminal by base station at least carry in first signal There is the location information of the terminal；

First processing module 702, for determining that the terminal is located at the D2D resource according to the location information of the terminal When the fringe region of controlled entity institute management region, the first subregion of the fringe region belonging to the terminal is determined；

Second processing module 703 is the preset D2D money of first subregion for obtaining in preset configuration information Source, and the occupied information of the preset D2D resource of first subregion of preservation is obtained, it is preset according to first subregion The occupied information of D2D resource selects idle D2D resource allocation to described from the preset D2D resource of first subregion Terminal；

Sending module 704, the instruction information of the D2D resource for sending distribution to the terminal by the base station；

In a preferred embodiment, the fringe region of D2D resource control entity institute management region is big by 3 Small equivalent subregion composition, each subregion includes the fringe region of two cellular cells；

It is preferably carried out in mode at another, the fringe region of D2D resource control entity institute management region includes The number of subregion be equal to the number of the cellular cell that the D2D resource control entity is managed, each subregion is corresponding The fringe region of one cellular cell；

Total D2D resource is divided into four mutually orthogonal subdivisions；

Preferably, receiving module 701 is specifically used for:

Preferably, further include memory module 705, be used for:

After the receiving module 701 receives first signal, in the preset D2D resource occupation of the subregion The location information of the terminal is saved or updated in information；

And be used for after the Second processing module 703 is the terminal distribution D2D resource, in first subregion The D2D resource occupation information of the terminal is saved or updated in the occupied information of preset D2D resource.

Preferably, receiving module 701 is also used to:

If the first processing module 702 determines that the terminal still belongs to according to the location information of the terminal of newest acquisition When the first subregion of the fringe region, the Second processing module 703 is provided according to the preset D2D of first subregion The occupied information in source selects idle new D2D resource allocation to the end from the preset D2D resource of first subregion End indicates that the instruction for the new D2D resource that the sending module 704 sends distribution to the terminal by the base station is believed Breath；

If the first processing module 702 determines that the terminal is mobile according to the location information of the terminal of newest acquisition To the fringe region the second subregion when, it is described that the Second processing module 703, which obtains in preset configuration information, The preset D2D resource of two subregions, and the occupied information of the preset D2D resource of second subregion of preservation is obtained, according to The occupied information of the preset D2D resource of second subregion selects idle from the preset D2D resource of second subregion New D2D resource allocation give the terminal, indicate the sending module 704 by the base station to the terminal send distribution The new D2D resource instruction information；

If the first processing module 702 determines that the terminal is mobile according to the location information of the terminal of newest acquisition To D2D resource control entity institute management region central area when, the Second processing module 703 obtains the center The occupied information of the D2D resource in domain, according to the occupied information of the D2D resource of the central area from the D2D of the central area It selects idle new D2D resource allocation to the terminal in resource, indicates that the sending module 704 passes through the base station to institute State the instruction information that terminal sends the new D2D resource of distribution；

If the first processing module 702 determines that the terminal is mobile according to the location information of the terminal of newest acquisition It is the terminal distribution D2D resource by the adjacent D2D resource control entity to adjacent D2D resource control entity.

The Second processing module 703 is also used to:

In the embodiment, the D2D resource of the free time includes unappropriated in the preset D2D resource of first subregion The the allocated but D2D resource that can be multiplexed in D2D resource and the preset D2D resource of first subregion, it is described can The D2D resource of multiplexing is the occupied resource of terminal being greater than the set value at a distance from the terminal.

Based on the same inventive concept, in fourth embodiment of the invention, another D2D resource control entity is additionally provided, it should The specific implementation of D2D resource control entity can be found in the description of D2D resource control entity in first embodiment, repeat place no longer It repeats, as shown in figure 8, the D2D resource control entity mainly includes processor 801, the memory 802 connected by bus interface With transceiver 803, wherein processor 801 is used for for reading and executing the program saved in memory 802, transceiver 803 Data are sended and received under the control of processor 801, specific as follows:

Transceiver 803, the first signal sent for receiving terminal by base station at least carry in first signal The location information of the terminal；

Processor 801, it is real for determining that the terminal is located at the D2D resources control according to the location information of the terminal When the fringe region of body institute management region, the first subregion of the fringe region belonging to the terminal is determined, obtain default Configuration information in be the preset D2D resource of first subregion, and obtain the preset D2D of the first subregion of preservation The occupied information of resource, it is default from first subregion according to the occupied information of the preset D2D resource of first subregion D2D resource in select idle D2D resource allocation to the terminal；Indicate that transceiver 803 passes through the base station to the end End sends the instruction information of the D2D resource of distribution；

Total D2D resource is divided into four mutually orthogonal subdivisions；

Preferably, transceiver 803 is specifically used for:

Preferably, processor 801 is after transceiver 803 receives first signal, saved in memory 802 described in The location information of the terminal is saved or updated in the preset D2D resource occupation information of subregion；

Processor 801 is after the terminal distribution D2D resource, first subregion saved in memory 802 is pre- If D2D resource occupied information in save or update the D2D resource occupation information of the terminal.

Preferably, transceiver 803 is also used to:

If it is described that the processor 801 according to the location information of the terminal of newest acquisition determines that the terminal is still fallen within When the first subregion of fringe region, according to the occupied information of the preset D2D resource of first subregion, from first son Select idle new D2D resource allocation to the terminal in the preset D2D resource in region, instruction transceiver 803 passes through described Base station sends the instruction information of the new D2D resource of distribution to the terminal；

If processor 801 determines that the terminal is moved to the edge according to the location information of the terminal of newest acquisition When second subregion in region, obtaining in preset configuration information is the preset D2D resource of second subregion, and obtains guarantor The occupied information for the preset D2D resource of second subregion deposited, according to accounting for for the preset D2D resource of the second subregion With information, selects idle new D2D resource allocation to the terminal from the preset D2D resource of second subregion, refer to Show that transceiver 803 sends the instruction information of the new D2D resource of distribution by the base station to the terminal；

If it is described that the processor 801 according to the location information of the terminal of newest acquisition determines that the terminal is moved to When the central area of D2D resource control entity institute management region, the occupied information of the D2D resource of the central area, root are obtained Idle new D2D money is selected from the D2D resource of the central area according to the occupied information of the D2D resource of the central area The terminal is distributed in source, and instruction transceiver 803 sends the new D2D resource of distribution by the base station to the terminal Instruction information；

The processor 801 is also used to:

Based on the same inventive concept, in fifth embodiment of the invention, another D2D resource control entity, the D2D are provided The specific implementation of resource control entity can be found in the description of D2D resource control entity in second embodiment, and it is no longer superfluous to repeat place It states, as shown in figure 9, the D2D resource control entity specifically includes that

Receiving module 901, the first signal sent for receiving terminal by base station at least carry in first signal There is the location information of the terminal；

First processing module 902, for determining that the terminal is located at the first D2D according to the location information of the terminal First subregion of the fringe region of resource control entity institute management region；

Second processing module 903, the edge managed for determining more than one adjacent the 2nd D2D resource control entity Second subregion adjacent with first subregion in region obtains the D2D for each of locally saving second subregion Resource occupation information, the D2D resource occupation information include the location information and its occupancy for the terminal for having distributed D2D resource D2D resource information；

Third processing module 904, for according to the location information of the terminal and the D2D of each second subregion Resource occupation information is the D2D resource of the terminal distribution free time；

Sending module 905, the instruction information of the D2D resource for sending distribution to the terminal by the base station.

Preferably, Second processing module 903 is also used to:

Preferably, receiving module 901 is specifically used for:

Preferably, further include memory module 906, be used for:

After the receiving module 901 receives first signal, in the D2D resource occupation information of first subregion Middle preservation or the location information for updating the terminal；

And it is used for:

After the third processing module 904 is the terminal distribution D2D resource, in the first subregion D2D resource The D2D resource occupation information of the terminal is saved or updated in occupied information.

Preferably, receiving module 901 is also used to:

Third processing module 904 is also used to:

The third processing module 904 is also used to:

Preferably, the Second processing module 903 is also used to:

The third processing module 904 is also used to:

Based on the same inventive concept, in sixth embodiment of the invention, another D2D resource control entity, the D2D are provided The specific implementation of resource control entity can be found in the description of D2D resource control entity in second embodiment, and it is no longer superfluous to repeat place It states, as shown in Figure 10, which mainly includes processor 1001, the memory connected by bus interface 1002 and transceiver 1003, wherein processor 1001 is for reading and executing the program saved in memory 1002, transceiver 1003 under the control of processor 1001 for sending and receiving data, specific as follows:

Transceiver 1003, the first signal sent for receiving terminal by base station at least carry in first signal There is the location information of the terminal；

Processor 1001, for determining that the terminal is located at the first D2D resource according to the location information of the terminal First subregion of the fringe region of controlled entity institute management region determines that 2nd D2D resources control of more than one adjacent is real Second subregion adjacent with first subregion in the fringe region that body is managed, acquisition each of locally save described the The D2D resource occupation information of two subregions, the D2D resource occupation information include the position letter for the terminal for having distributed D2D resource Breath and its D2D resource information occupied, according to the D2D resource of the location information of the terminal and each second subregion Occupied information is the D2D resource of the terminal distribution free time；And instruction transceiver 1003 by the base station to the terminal Send the instruction information of the D2D resource of distribution.

Preferably, processor 1001 is also used to:

Preferably, transceiver 1003 is specifically used for:

Preferably, processor 1001 is protected in memory 1002 after the transceiver 1003 receives first signal The location information of the terminal is saved or updated in the D2D resource occupation information for first subregion deposited；

Processor 1001 is in described first to be saved after the terminal distribution D2D resource in memory 1002 The D2D resource occupation information of the terminal is saved or updated in subregion D2D resource occupation information.

Preferably, transceiver 1003 is also used to:

Processor 1001 is also used to:

Preferably, processor 1001 is also used to:

Processor 1001 is also used to:

It should be understood by those skilled in the art that, the embodiment of the present invention can provide as method, system or computer program Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the present invention Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the present invention, which can be used in one or more, The shape for the computer program product implemented in usable storage medium (including but not limited to magnetic disk storage and optical memory etc.) Formula.

The present invention be referring to according to the method for the embodiment of the present invention, the process of equipment (system) and computer program product Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.

These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates, Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or The function of being specified in multiple boxes.

These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one The step of function of being specified in a box or multiple boxes.

Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies Within, then the present invention is also intended to include these modifications and variations.

Claims

1. a kind of device-to-device D2D resource allocation methods of car networking terminal characterized by comprising

D2D resource control entity receives the first signal that terminal is sent by base station, at least carries in first signal State the location information of terminal；

The D2D resource control entity determines that the terminal is located at the D2D resources control according to the location information of the terminal When the fringe region of entity institute management region, the first subregion of the fringe region belonging to the terminal is determined；

It is the preset D2D resource of first subregion that the D2D resource control entity, which obtains in preset configuration information, and is obtained The occupied information for the preset D2D resource of first subregion deposited of going bail for, according to the preset D2D resource of first subregion Occupied information, select idle D2D resource allocation to the terminal from the preset D2D resource of first subregion；

It is each adjacent son in the fringe region of D2D resource control entity institute management region in the preset configuration information Region, presets mutually orthogonal D2D resource, and for the fringe region of D2D resource control entity institute management region with it is adjacent The fringe region that is managed of D2D resource control entity in subregion adjacent to each other, preset mutually orthogonal D2D resource, institute Subregion is stated to be made of the fringe region of integer cellular cell.

2. the method as described in claim 1, which is characterized in that the marginal zone of D2D resource control entity institute management region Domain is made of 3 equivalent subregions of size, and each subregion includes the fringe region of two cellular cells；

It is the different subdivisions that each subregion presets total D2D resource, total D2D in the preset configuration information Resource is divided into three mutually orthogonal subdivisions, and in the fringe region of the D2D resource control entity with adjacent D2D Subregion adjacent to each other presets the different sub-portions of total D2D resource in the fringe region that resource control entity is managed Point.

3. the method as described in claim 1, which is characterized in that the marginal zone of D2D resource control entity institute management region The number for the subregion that domain includes is equal to the number for the cellular cell that the D2D resource control entity is managed, each sub-district The fringe region of the corresponding cellular cell in domain；

Total D2D resource is divided into four mutually orthogonal subdivisions；

It is two subdivisions that the D2D resource control entity configures total D2D resource, institute in the preset configuration information State the subdivision of the different total D2D resource of adjacent subarea configuration of territory of fringe region, and two sons of total D2D resource Part and two subdivisions of total D2D resource that adjacent D2D resource control entity is configured are not exactly the same.

4. the method according to claim 1, which is characterized in that D2D resource control entity receives terminal and passes through base Stand send the first signal, comprising:

The D2D resource control entity receive the terminal using preset duration as the period sent by the base station described first Signal.

5. method as claimed in claim 4, which is characterized in that after the D2D resource control entity receives first signal, Further include:

The D2D resource control entity saves in the preset D2D resource occupation information of the subregion or described in updating The location information of terminal；

The D2D resource control entity saves in the occupied information of the preset D2D resource of first subregion or updates institute State the D2D resource occupation information of terminal.

6. method as claimed in claim 4, which is characterized in that the D2D resource control entity is according to first subregion The occupied information of preset D2D resource selects idle D2D resource allocation from the preset D2D resource of first subregion After the terminal, the method also includes:

The D2D resource control entity receives the second signal that the terminal is sent by the base station, in the second signal Carry D2D time interval resource collision accident instruction information；

If the D2D resource control entity determines that the terminal still falls within institute according to the location information of the terminal of newest acquisition When stating the first subregion of fringe region, according to the occupied information of the preset D2D resource of first subregion, from described first Select idle new D2D resource allocation to the terminal in the preset D2D resource of subregion, by the base station to the end End sends the instruction information of the new D2D resource of distribution；

If determining that the terminal is moved to the second son of the fringe region according to the location information of the terminal of newest acquisition When region, obtaining in preset configuration information is the preset D2D resource of second subregion, and obtains described the second of preservation The occupied information of the preset D2D resource of subregion, according to the occupied information of the preset D2D resource of second subregion, from institute State and select idle new D2D resource allocation to the terminal in the preset D2D resource of the second subregion, by the base station to The terminal sends the instruction information of the new D2D resource of distribution；

If determining that the terminal is moved to the D2D resource control entity institute according to the location information of the terminal of newest acquisition When the central area of management region, the occupied information of the D2D resource of the central area is obtained, according to the central area The occupied information of D2D resource selects idle new D2D resource allocation to the end from the D2D resource of the central area End sends the instruction information of the new D2D resource of distribution by the base station to the terminal；

If it is real to determine that the terminal is moved to adjacent D2D resources control according to the location information of the terminal of newest acquisition Body is the terminal distribution D2D resource by the adjacent D2D resource control entity.

7. the method as described in claim 1, which is characterized in that also carry the terminal position in first signal The D2D resource timeslot quality of reception；

The D2D resource control entity is according to the occupied information of the preset D2D resource of first subregion, from first son Before the D2D resource for selecting the free time in the preset D2D resource in region, comprising:

The D2D resource control entity determines that interference signal intensity is greater than setting according to the quality of reception of the D2D resource timeslot The time slot of threshold value；

The D2D resource control entity is according to the occupied information of the preset D2D resource of first subregion, from first son After selecting idle D2D resource in the preset D2D resource in region, the method also includes:

The time slot not phase for disturbing signal strength greater than given threshold for determining the time slot of the D2D resource of selection and determining Together, the D2D resource allocation of selection is given to the terminal.

8. the method as described in claim 1, which is characterized in that the D2D resource of the free time includes that first subregion is pre- If D2D resource in it is the allocated in unappropriated D2D resource and the preset D2D resource of first subregion but can The D2D resource of multiplexing, the D2D resource that can be multiplexed are that the terminal that is greater than the set value at a distance from the terminal is occupied Resource.

9. a kind of device-to-device D2D resource allocation methods of car networking terminal characterized by comprising

First D2D resource control entity receives the first signal that terminal is sent by base station, at least carries in first signal There is the location information of the terminal；

The first D2D resource control entity determines that the terminal is located at the first D2D according to the location information of the terminal First subregion of the fringe region of resource control entity institute management region；

The first D2D resource control entity determines the edge that more than one adjacent the 2nd D2D resource control entity is managed Second subregion adjacent with first subregion in region obtains the D2D for each of locally saving second subregion Resource occupation information, the D2D resource occupation information include the location information and its occupancy for the terminal for having distributed D2D resource D2D resource information；

The first D2D resource control entity is according to the location information of the terminal and the D2D of each second subregion Resource occupation information is the D2D resource of the terminal distribution free time；

The first D2D resource control entity sends the instruction information of the D2D resource of distribution by the base station to the terminal.

10. method as claimed in claim 9, which is characterized in that the first D2D resource control entity obtains each described the Before the D2D resource occupation information of two subregions, comprising:

It is a length of period when the first D2D resource control entity is to set, real from each of adjacent 2nd D2D resources control The D2D resource occupation that all subregion adjacent with the fringe region of the first D2D resource control entity management is obtained in body is believed It ceases and saves.

11. method as claimed in claim 10, which is characterized in that the first D2D resource control entity receives terminal and passes through The first signal that base station is sent, comprising:

The first D2D resource control entity receives described in the terminal sent using preset duration as the period by the base station First signal.

12. method as claimed in claim 11, which is characterized in that the first D2D resource control entity receives described first After signal, further includes:

The first D2D resource control entity saves in the D2D resource occupation information of first subregion or described in updating The location information of terminal；

The first D2D resource control entity saves or updates the end in the first subregion D2D resource occupation information The D2D resource occupation information at end.

13. method as claimed in claim 11, which is characterized in that the first D2D resource control entity is according to the terminal Location information and each second subregion D2D resource occupation information, be the terminal distribution free time D2D resource Afterwards, the method also includes:

The first D2D resource control entity receives the second signal that the terminal is sent by the base station, second letter D2D time interval resource collision accident instruction information is carried in number；

The first D2D resource control entity is according to the location information of the terminal of newest acquisition and the institute of newest acquisition State the D2D resource occupation information of the second subregion, be the terminal distribution free time new D2D resource, by the base station to The terminal sends the instruction information of the new D2D resource of distribution.

14. method as claimed in claim 9, which is characterized in that also carry the terminal position in first signal The D2D resource timeslot quality of reception；

The first D2D resource control entity is according to the location information of the terminal and the D2D of each second subregion Resource occupation information, before the D2D resource of the terminal distribution free time, the method also includes:

The first D2D resource control entity determines that interference signal intensity is greater than according to the quality of reception of the D2D resource timeslot The time slot of given threshold；

The first D2D resource control entity is according to the location information of the terminal and the D2D of each second subregion Resource occupation information is the D2D resource of the terminal distribution free time, comprising:

The first D2D resource control entity is according to the location information of the terminal and the D2D of each second subregion Resource occupation information selects idle D2D resource, determines that the time slot of the D2D resource of selection and the described of determination disturb signal The time slot that intensity is greater than given threshold is not identical, gives the D2D resource allocation of selection to the terminal.

15. method as claimed in claim 10, which is characterized in that a length of when the first D2D resource control entity is to set Period obtains and the first D2D resource control entity management from each of adjacent 2nd D2D resource control entity While the D2D resource occupation information of the adjacent all subregion of fringe region, the method also includes:

It is a length of period when the first D2D resource control entity is to set, real from each of adjacent 2nd D2D resources control The time interval resource that all subregion adjacent with the fringe region of the first D2D resource control entity management is obtained in body collides thing Part indicates information, and the terminal mark as the receiving end in D2D communication is carried in the time interval resource collision accident instruction information Know；

The first D2D resource control entity is according to the location information of the terminal and the D2D of each second subregion Resource occupation information, after the D2D resource of the terminal distribution free time, the method also includes:

The first D2D resource control entity determines that the terminal and the receiving end carry out D2D communication, according to the terminal The D2D resource occupation information of location information and each second subregion, for the idle new D2D money of the terminal distribution Source sends the instruction information of the new D2D resource of distribution by the base station to the terminal.

16. a kind of device-to-device D2D resource control entity characterized by comprising

Receiving module, the first signal sent for receiving terminal by base station at least carry in first signal described The location information of terminal；

First processing module, it is real for determining that the terminal is located at the D2D resources control according to the location information of the terminal When the fringe region of body institute management region, the first subregion of the fringe region belonging to the terminal is determined；

Second processing module is the preset D2D resource of first subregion for obtaining in preset configuration information, and obtains The occupied information of the preset D2D resource of first subregion saved, according to the preset D2D resource of first subregion Occupied information selects idle D2D resource allocation to the terminal from the preset D2D resource of first subregion；

17. D2D resource control entity as claimed in claim 16, which is characterized in that the D2D resource control entity is managed The fringe region in region is made of 3 equivalent subregions of size, and each subregion includes the fringe region of two cellular cells；

18. D2D resource control entity as claimed in claim 16, which is characterized in that the D2D resource control entity is managed The number for the subregion that the fringe region in region includes is equal to for the cellular cell that the D2D resource control entity is managed Number, the fringe region of the corresponding cellular cell of each subregion；

Total D2D resource is divided into four mutually orthogonal subdivisions；

19. such as the described in any item D2D resource control entities of claim 16-18, which is characterized in that the receiving module is specific For:

20. D2D resource control entity as claimed in claim 19, which is characterized in that further include memory module, be used for:

After the receiving module receives first signal, in the preset D2D resource occupation information of the subregion Save or update the location information of the terminal；

And be used for after the Second processing module is the terminal distribution D2D resource, it is preset in first subregion The D2D resource occupation information of the terminal is saved or updated in the occupied information of D2D resource.

21. D2D resource control entity as claimed in claim 19, which is characterized in that the receiving module is also used to:

The second signal that the terminal is sent by the base station is received, D2D time interval resource is carried in the second signal and touches Hit event instruction information；

If it is described that the first processing module according to the location information of the terminal of newest acquisition determines that the terminal is still fallen within When the first subregion of fringe region, the Second processing module is according to the occupancy of the preset D2D resource of first subregion Information selects idle new D2D resource allocation to the terminal, instruction from the preset D2D resource of first subregion The sending module sends the instruction information of the new D2D resource of distribution by the base station to the terminal；

If it is described that the first processing module according to the location information of the terminal of newest acquisition determines that the terminal is moved to When the second subregion of fringe region, it is that second subregion is pre- that the Second processing module, which obtains in preset configuration information, If D2D resource, and the occupied information of the preset D2D resource of second subregion of preservation is obtained, according to second son The occupied information of the preset D2D resource in region selects idle new D2D from the preset D2D resource of second subregion Resource allocation give the terminal, indicate the sending module by the base station to the terminal send distribution it is described newly The instruction information of D2D resource；

If it is described that the first processing module according to the location information of the terminal of newest acquisition determines that the terminal is moved to When the central area of D2D resource control entity institute management region, the Second processing module obtains the D2D money of the central area The occupied information in source is selected from the D2D resource of the central area according to the occupied information of the D2D resource of the central area Idle new D2D resource allocation gives the terminal, indicates that the sending module is sent by the base station to the terminal and divides The instruction information for the new D2D resource matched；

If it is adjacent that the first processing module according to the location information of the terminal of newest acquisition determines that the terminal is moved to D2D resource control entity, by the adjacent D2D resource control entity be the terminal distribution D2D resource.

22. D2D resource control entity as claimed in claim 16, which is characterized in that described in also being carried in first signal The D2D resource timeslot quality of reception of terminal position；

The Second processing module is also used to:

According to the occupied information of the preset D2D resource of first subregion, from the preset D2D resource of first subregion Before selecting idle D2D resource, according to the quality of reception of the D2D resource timeslot, determine that interference signal intensity is greater than setting The time slot of threshold value；

According to the occupied information of the preset D2D resource of first subregion, from the preset D2D resource of first subregion After selecting idle D2D resource, determines that the time slot of the D2D resource of selection is greater than with the interference signal intensity determined and set The time slot for determining threshold value is not identical, gives the D2D resource allocation of selection to the terminal.

23. D2D resource control entity as claimed in claim 16, which is characterized in that the D2D resource of the free time includes described In the preset D2D resource of first subregion in unappropriated D2D resource and the preset D2D resource of first subregion D2D resource that is the allocated but being multiplexed, the D2D resource that can be multiplexed are to be greater than the set value at a distance from the terminal The occupied resource of terminal.

24. a kind of D2D resource control entity characterized by comprising

First processing module, it is real for determining that the terminal is located at the first D2D resources control according to the location information of the terminal First subregion of the fringe region of body institute management region；

Second processing module, for determining in fringe region that more than one adjacent the 2nd D2D resource control entity is managed The second adjacent subregion with first subregion obtains and each of locally saves the D2D resource of second subregion and account for With information, the D2D resource occupation information includes the location information for the terminal for having distributed D2D resource and its D2D resource of occupancy Information；

Third processing module, for being accounted for according to the location information of the terminal and the D2D resource of each second subregion It is the D2D resource of the terminal distribution free time with information；

25. D2D resource control entity as claimed in claim 24, which is characterized in that the Second processing module is also used to:

Before the D2D resource occupation information for obtaining each second subregion, a length of period when setting, from each of adjacent It is obtained in the 2nd D2D resource control entity each with the adjoining of the fringe region of the first D2D resource control entity management The D2D resource occupation information of subregion simultaneously saves.

26. D2D resource control entity as claimed in claim 24, which is characterized in that the receiving module is specifically used for:

27. D2D resource control entity as claimed in claim 26, which is characterized in that further include memory module, be used for:

After the receiving module receives first signal, saved in the D2D resource occupation information of first subregion Or update the location information of the terminal；

And it is used for:

After the third processing module is the terminal distribution D2D resource, in the first subregion D2D resource occupation information Middle preservation or the D2D resource occupation information for updating the terminal.

28. D2D resource control entity as claimed in claim 26, which is characterized in that the receiving module is also used to:

The third processing module is also used to:

It is accounted for according to the D2D resource of the location information of the terminal of newest acquisition and second subregion of newest acquisition It is the new D2D resource of the terminal distribution free time with information, the described new of distribution is sent to the terminal by the base station D2D resource instruction information.

29. D2D resource control entity as claimed in claim 24, which is characterized in that described in also being carried in first signal The D2D resource timeslot quality of reception of terminal position；

The third processing module is also used to:

Before D2D resource for the terminal distribution free time, according to the quality of reception of the D2D resource timeslot, interference letter is determined Number intensity is greater than the time slot of given threshold；

According to the D2D resource occupation information of the location information of the terminal and each second subregion, the free time is selected After D2D resource, determine the D2D resource of selection time slot and determine the interference signal intensity be greater than given threshold when When gap is not identical, the D2D resource allocation of selection is given to the terminal.

30. D2D resource control entity as claimed in claim 25, which is characterized in that the Second processing module is also used to:

A length of period when setting obtains from each of adjacent 2nd D2D resource control entity and provides with the first D2D The time interval resource collision accident of the adjacent all subregion of the fringe region of source controlled entity management indicates information, the time interval resource The terminal iidentification as the receiving end in D2D communication is carried in collision accident instruction information；

The third processing module is also used to:

After D2D resource for the terminal distribution free time, determine that the terminal and the receiving end carry out D2D communication, according to The D2D resource occupation information of the location information of the terminal and each second subregion, it is idle for the terminal distribution New D2D resource, pass through the base station to the terminal send distribution the new D2D resource instruction information.