CN105101424A - Device-to-device subframe allocation method, first communication node and second communication node - Google Patents
Device-to-device subframe allocation method, first communication node and second communication node Download PDFInfo
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- CN105101424A CN105101424A CN201410196588.2A CN201410196588A CN105101424A CN 105101424 A CN105101424 A CN 105101424A CN 201410196588 A CN201410196588 A CN 201410196588A CN 105101424 A CN105101424 A CN 105101424A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
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- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
Disclosed are a device-to-device subframe allocation method, a first communication node and a second communication node. The method comprises: sending to a second communication node, by a first communication node, indication information used for indicating a device-to-device (D2D) subframe and/or indication information used for indicating a D2D system frame through high-level signalling and/or physical layer signalling.
Description
Technical field
The present invention relates to the distribution technique of radio communication, particularly relate to a kind of device-to-device (D2D, Device-to-Device) subframe allocation method, the first communication node and second communication node.
Background technology
Present inventor, in the process realizing the embodiment of the present application technical scheme, at least finds to there is following technical problem in correlation technique:
Along with the development of wireless multimedia service, the demand of people to high data rate and Consumer's Experience is growing, thus proposes high requirement to the power system capacity of conventional cellular network and covering.On the other hand public safety, social networks, the closely application scenarios such as data sharing, local advertising make that people are right desorbs nearly persons or things and adjacent service (ProximityServices) demand communicated with it increases gradually.There is obvious limitation in traditional cellular network centered by base station, under this requirement background, the D2D technology representing future communication technologies development new direction is arisen at the historic moment in the support of high data rate and adjacent service.The application of D2D technology, can alleviate the burden of cellular network, reduces the battery power consumption of subscriber equipment, improve data rate, and improve the robustness of network infrastructure, meet the requirement of above-mentioned high data rate traffic and adjacent service well.
D2D technology can be operated in authorizes frequency range or unauthorized frequency range, allows the subscriber equipment of multiple support D2D function when having network infrastructure or directly find/direct communication without when network infrastructure.Wherein, the subscriber equipment of described D2D function, also referred to as D2D subscriber equipment (D2DUE, D2DUserEquipment).
D2D technology generally includes D2D discovery technique and the D2D communication technology, wherein, D2D discovery technique refer to for judge/determine between two or more D2D subscriber equipment mutually contiguous (such as, within the scope can carrying out D2D direct communication), or for judging/determining the technology of first user proximity of devices second subscriber equipment.Usually, find that signal/information finds the other side by sending or receiving between D2D subscriber equipment, when there being cellular network to cover, network can assist D2D subscriber equipment to carry out D2D discovery; The D2D communication technology refers to that between D2D subscriber equipment, part or all of communication data directly can not carry out the technology communicated by network infrastructure.
In support D2D discovery technique and the UE of the D2D communication technology to be simultaneously in state that cellular communication communicates with D2D, or be in the state of the transmission/monitoring of cellular communication and D2D discovery signal simultaneously, namely while UE and base station keep cellular communication, also need also keep D2D to be connected with another UE and carry out transfer of data, and send the transmission signal finding signal or monitor other UE transmission, in D2D communication, two UE carrying out D2D communication are called that D2DUE is to (D2DUEpair), and each UE is called D2D opposite end UE relative to another UE.In D2D finds, the UE sending discovery signal is called transmission UE or declaration UE, receives and finds that the UE of signal is called reception UE or monitoring UE.
Communicate/find between two kinds of patterns in cellular communication and D2D, need for UE divides different resources, from the angle of temporal partitioning, be D2D communication/discovery and divide special subframe, can consider that designing D2D by the D2D of network side communication and/or the system-frame that finds and the distribution of subframe communicates/find special subframe, and reasonably indicate, make UE can receive special subframe according to instruction, work under cellular communication communicates/find two kinds of communication patterns with D2D simultaneously, and interference and impact reach minimum, but, effective solution is there is not in correlation technique.
Summary of the invention
In view of this, the embodiment of the present invention is desirable to provide a kind of D2D subframe allocation method, the first communication node and second communication node, special subframe is divided by being assigned as D2D and communicating of the D2D communication of network side and/or the system-frame and the subframe that find/discovery mode, make UE can receive special subframe according to instruction, work under cellular communication communicates/find two kinds of communication patterns with D2D, and interference and impact reach minimum simultaneously.
The technical scheme of the embodiment of the present invention is achieved in that
A kind of device-to-device subframe allocation method, described method comprises:
First communication node is used to indicate the indication information of device-to-device D2D subframe by high-level signaling and/or physical layer signaling to described second communication node transmission and/or is used to indicate the indication information of D2D system-frame.
Preferably, the indication information of described D2D subframe at least comprise following one or more:
The index of D2D sub-frame configuration pattern;
D2D sub-frame configuration pattern;
D2D sub-frame allocation indicates.
Preferably, described D2D sub-frame configuration pattern is arrange in advance, carries out pre-configured at described first communication node and described second communication node.
Preferably, one or more downstream signals following in the D2D subframe represented in described D2D sub-frame configuration pattern and cellular system are not in same subframe;
One or more downstream signals described comprise: master sync signal, auxiliary synchronous signals, paging signal, main broadcast channel, system broadcasts signal 1.
Preferably, described method also comprises: for described cellular system, and described D2D subframe can not appear at the 0th, 4,5,9 subframes.
Preferably, the D2D sub-frame interval represented in described D2D sub-frame configuration pattern does not allow for N number of subframe; Wherein, the value of N is hybrid automatic repeat-request HARQ retransmission time interval.
Preferably, the D2D sub-frame interval represented in described D2D sub-frame configuration pattern comprises: 1 subframe and k subframe; Wherein, the interval between the subframe of k residing for HARQ feedback information and the subframe residing for data message corresponding to described feedback information.
Preferably, for cellular system, the D2D subframe that represents in the set of described D2D sub-frame configuration pattern numbering comprise following one or more:
Sub-frame set 1:[2,3,6,7];
Sub-frame set 2:[1,2,7,8];
Sub-frame set 3:[1,2,6,7];
Sub-frame set 4:[2,3,7,8];
Sub-frame set 5:[1,2,3,6,7,8].
Preferably, described method also comprises: by the described D2D subframe of described D2D sub-frame allocation instruction configuration;
Comprised by the described D2D subframe of described D2D sub-frame allocation instruction configuration: in the fdd mode, described D2D sub-frame allocation is designated as 6bit indication information, the corresponding subframe #1 of Far Left bit, second corresponding subframe #2 of bit, 3rd the corresponding subframe #3 of bit, the 4th the corresponding subframe #6 of bit, the 5th the corresponding subframe #7 of bit, 6th the corresponding subframe #8 of bit, the sub-frame configuration expressing its correspondence when bit value is 1 is D2D subframe.
Preferably, described high-level signaling at least comprises one or more message in Paging beep-page message, broadcast, D2D connection establishment request message, D2D connection establishment request response, D2D connection reconfiguration message;
Described physical layer signaling at least comprises Downlink Control Information.
Preferably, the indication information of described D2D system-frame is the instruction of D2D system-frame, at least comprise following one or more:
D2D finds and/or D2D signal of communication activates indication information;
D2D finds and/or D2D signal of communication deexcitation indication information;
D2D finds and/or D2D signal of communication starter system frame number;
D2D finds and/or D2D signal of communication continuous systems frame number;
D2D finds and/or D2D signal of communication activates indication information and/or stops D2D transmission system frame number;
D2D finds and/or D2D communication and signal system frame number offset information;
D2D finds and/or D2D communication and signal system frame period information;
N-th+k system-frame whether D2D system-frame indication information; Wherein, described n represents current system frame, and described k is the integer in set [0,1,2...].
Preferably, described method also comprises:
D2D subframe determined in index according to described D2D sub-frame allocation instruction and/or described D2D sub-frame configuration pattern;
The described D2D subframe determined distributes D2D resource.
A kind of first communication node, described first communication node comprises:
Indication information transmitting element, for being used to indicate the indication information of device-to-device D2D subframe by high-level signaling and/or physical layer signaling to described second communication node transmission and/or being used to indicate the indication information of D2D system-frame.
Preferably, the configuration information of described subframe at least comprise following one or more:
The index of D2D sub-frame configuration pattern;
D2D sub-frame configuration pattern;
D2D sub-frame allocation indicates.
Preferably, described D2D sub-frame configuration pattern is arrange in advance, carries out pre-configured at described first communication node and described second communication node.
Preferably, one or more downstream signals following in the D2D subframe represented in described D2D sub-frame configuration pattern and cellular system are not in same subframe;
One or more downstream signals described comprise: master sync signal, auxiliary synchronous signals, paging signal, main broadcast channel, system broadcasts signal 1.
Preferably, described method also comprises: for described cellular system, and described D2D subframe can not appear at the 0th, 4,5,9 subframes.
Preferably, the D2D sub-frame interval represented in described D2D sub-frame configuration pattern does not allow for N number of subframe; Wherein, the value of N is hybrid automatic repeat-request HARQ retransmission time interval.
Preferably, the D2D sub-frame interval represented in described D2D sub-frame configuration pattern comprises: 1 subframe and k subframe; Wherein, the interval between the subframe of k residing for HARQ feedback information and the subframe residing for data message corresponding to described feedback information.
Preferably, for cellular system, the D2D subframe that represents in the set of described D2D sub-frame configuration pattern numbering comprise following one or more:
Sub-frame set 1:[2,3,6,7];
Sub-frame set 2:[1,2,7,8];
Sub-frame set 3:[1,2,6,7];
Sub-frame set 4:[2,3,7,8];
Sub-frame set 5:[1,2,3,6,7,8].
Preferably, described first communication node also comprises:
Configuration process unit, for configuring described D2D subframe by described D2D sub-frame allocation instruction, comprised by the described D2D subframe of described D2D sub-frame allocation instruction configuration: in the fdd mode, described D2D sub-frame allocation is designated as 6bit indication information, the corresponding subframe #1 of Far Left bit, second corresponding subframe #2 of bit, 3rd the corresponding subframe #3 of bit, 4th the corresponding subframe #6 of bit, 5th the corresponding subframe #7 of bit, 6th the corresponding subframe #8 of bit, the sub-frame configuration expressing its correspondence when bit value is 1 is D2D subframe.
Preferably, described high-level signaling at least comprises one or more message in Paging beep-page message, broadcast, D2D connection establishment request message, D2D connection establishment request response, D2D connection reconfiguration message;
Described physical layer signaling at least comprises Downlink Control Information.
Preferably, the indication information of described D2D system-frame is the instruction of D2D system-frame, at least comprise following one or more:
D2D finds and/or D2D signal of communication activates indication information;
D2D finds and/or D2D signal of communication deexcitation indication information;
D2D finds and/or D2D signal of communication starter system frame number;
D2D finds and/or D2D signal of communication continuous systems frame number;
D2D finds and/or D2D signal of communication activates indication information and/or stops D2D transmission system frame number;
D2D finds and/or D2D communication and signal system frame number offset information;
D2D finds and/or D2D communication and signal system frame period information;
N-th+k system-frame whether D2D system-frame indication information; Wherein, described n represents current system frame, and described k is the integer in set [0,1,2...].
Preferably, described first communication node also comprises:
Determining unit, for determining D2D subframe according to the index of described D2D sub-frame allocation instruction and/or described D2D sub-frame configuration pattern;
Allocation units, for distributing D2D resource in the described D2D subframe determined.
A kind of device-to-device subframe allocation method, described method comprises:
What second communication node received that the first communication node sent by high-level signaling and/or physical layer signaling is used to indicate the indication information of device-to-device D2D subframe and/or is used to indicate the indication information of D2D system-frame.
Preferably, the configuration information of described subframe at least comprise following one or more:
The index of D2D sub-frame configuration pattern;
D2D sub-frame configuration pattern;
D2D sub-frame allocation indicates.
Preferably, described D2D sub-frame configuration pattern is arrange in advance, carries out pre-configured at described first communication node and described second communication node.
Preferably, described method also comprises:
According to the index-mapping of described D2D sub-frame configuration pattern to D2D sub-frame configuration;
The transmission of D2D data and/or monitoring is carried out according to the subframe that the index by described D2D sub-frame allocation instruction and/or described D2D sub-frame configuration pattern is determined.
A kind of second communication node, described second communication node comprises:
Indication information receiving element, is used to indicate the indication information of device-to-device D2D subframe for what receive that the first communication node sent by high-level signaling and/or physical layer signaling and/or is used to indicate the indication information of D2D system-frame.
Preferably, the configuration information of described subframe at least comprise following one or more:
The index of D2D sub-frame configuration pattern;
D2D sub-frame configuration pattern;
D2D sub-frame allocation indicates.
Preferably, described D2D sub-frame configuration pattern is arrange in advance, carries out pre-configured at described first communication node and described second communication node.
Preferably, described second communication node also comprises:
Map unit, for according to the index-mapping of described D2D sub-frame configuration pattern to D2D sub-frame configuration;
Processing unit, carries out the transmission of D2D data and/or monitoring for the subframe determined according to the index by described D2D sub-frame allocation instruction and/or described D2D sub-frame configuration pattern.
The embodiment of the present invention first communication node is used to indicate the indication information of device-to-device D2D subframe by high-level signaling and/or physical layer signaling to described second communication node transmission and/or is used to indicate the indication information of D2D system-frame.Adopt the embodiment of the present invention, special subframe is divided by being assigned as D2D and communicating of the D2D communication of network side and/or the system-frame and the subframe that find/discovery mode, make UE can receive special subframe according to instruction, work under cellular communication communicates/find two kinds of communication patterns with D2D, and interference and impact reach minimum simultaneously.
Accompanying drawing explanation
Fig. 1 is the principle flow chart of the inventive method embodiment;
Fig. 2 is the principle composition structural representation of the present invention first communication node embodiment;
Fig. 3 is the first communication node schematic flow sheet in the embodiment of the present invention 1;
Fig. 4 is second communication node schematic flow sheet in the embodiment of the present invention 1;
Fig. 5 is each communication node Signalling exchange schematic flow sheet in the embodiment of the present invention 1;
Fig. 6 is each communication node Signalling exchange schematic flow sheet in the embodiment of the present invention 2;
Fig. 7 is the first communication node schematic flow sheet in the embodiment of the present invention 3;
Fig. 8 is second communication node schematic flow sheet in the embodiment of the present invention 3;
Fig. 9 is the first communication node schematic flow sheet in the embodiment of the present invention 7.
Embodiment
Be described in further detail below in conjunction with the enforcement of accompanying drawing to technical scheme.
To communicate/find special subframe for D2D need be designed, UE can be worked simultaneously under cellular communication communicates/find two kinds of communication patterns with D2D, and interference and impact reach minimum problem, present inventor analyzes in the process realizing the embodiment of the present application technical scheme, considers following problem:
Due to for the limited UE of partial capability, following operation can not be performed in same subframe:
1) cellular data is sent; Send D2D and find signal/communication data;
2) cellular data is sent; Receive D2D and find signal/communication data;
3) cellular data is received; Send D2D and find signal/communication data;
4) cellular data is received; Receive D2D and find signal/communication data;
Therefore, correspondingly, consideration is needed to avoid following situation occurs:
1, UE receives the broadcast channel of Cellular Networks in D2D subframe, synchronizing channel, paging channel etc.;
2, UE is at D2D subframe scheduling cellular data;
3, UE retransmits cellular data in D2D subframe;
4, UE receives or feeding back ACK/nack message in D2D subframe;
Correspondingly, the solution that the embodiment of the present invention provides is intended to, by rational D2D subframe designs, in conjunction with the rational management of base station, can avoid the generation of above-mentioned situation, comprise following content:
One, for avoiding the generation of situation 1, D2D subframe cannot be designed to broadcast channel subframe, synchronizing channel subframe and paging channel subframe etc.For LTE, namely D2D subframe can not appear at 0, and 4,5,9 subframes;
Two, for avoiding the generation of situation 2, can be avoided by the mode of base station scheduling.
Three, for avoiding the generation of situation 3, can by protocol conventions when both collide time, preferential transmission D2D signal, cellular data can wait for next chance, but for avoiding repeatedly retransmission opportunity all to collide with D2D subframe, it is not identical with retransmission time interval (HARQRTTtimer) that we design D2D sub-frame interval.In FDD-LTE, this retransmission time interval is 8.
Four, for avoiding the generation of situation 4, also can be avoided by the mode of scheduling, namely the n-th subframe is D2D subframe, so n-k subframe does not also dispatch cellular data, wherein, the interval between the subframe of k residing for HARQ feedback information and the subframe residing for data message corresponding to described feedback information.Value for FDD-LTE, k is 4, and in other words, n-4 is preferably also designed to D2D subframe, and namely D2D sub-frame interval is 4 subframes.
The embodiment of the present invention mainly comprises following content:
The embodiment of the present invention provides a kind of D2D subframe allocation method, and as shown in Figure 1, described method comprises:
Step S101, the first communication node are used to indicate the indication information of device-to-device D2D subframe by high-level signaling and/or physical layer signaling to described second communication node transmission and/or are used to indicate the indication information of D2D system-frame.
In this step, described D2D subframe is the described subframe in described system-frame.
That is, the embodiment of the present invention is by high-level signaling and/or physical layer signaling, indicates the indication information of D2D subframe and/or D2D system-frame to D2DUE, and the D2D subframe in described D2D system-frame is used for the transmitting of D2D communication/discovery and/or receives subframe.
In the embodiment of the present invention one preferred implementation, the configuration information of described D2D subframe at least comprises one of following: the index (D2D-SubframeConfigPatternindex) of D2D sub-frame configuration pattern; D2D sub-frame configuration pattern (D2D-SubframeConfigPattern); D2D sub-frame allocation instruction (D2D-SubframeAllocation).
In the embodiment of the present invention one preferred implementation, the set of described D2D sub-frame configuration pattern (D2D-SubframeConfigPattern) is by protocol conventions, and the first communication node and second communication node carry out pre-configured.
In the embodiment of the present invention one preferred implementation, one or more downstream signals following in the D2D subframe that represents in described D2D sub-frame configuration pattern and cellular system not in same subframe, described downstream signal comprises: master sync signal (PSS), auxiliary synchronous signals (SSS), paging signal (PAGING), main broadcast channel (PBCH), system broadcasts signal 1 (SIB1).
In the embodiment of the present invention one preferred implementation, for LTE cellular system, described D2D subframe can not appear at the 0th, 4,5,9 subframes.
In the embodiment of the present invention one preferred implementation, the D2D sub-frame interval represented in described D2D sub-frame configuration pattern does not allow for N number of subframe; Wherein, the value of N is hybrid automatic repeat-request (HARQ) retransmission time interval (HARRTTtimer).
In the embodiment of the present invention one preferred implementation, the D2D sub-frame interval represented in described D2D sub-frame configuration pattern comprises: 1 subframe and k subframe; Wherein, the interval between the subframe of k residing for HARQ feedback information and the subframe residing for data message corresponding to described feedback information.
In the embodiment of the present invention one preferred implementation, institute for LTE cellular system, the D2D subframe that represents in the set of described D2D sub-frame configuration pattern numbering include but not limited to following one or more: sub-frame set 1:[2,3,6,7]; Sub-frame set 2:[1,2,7,8]; Sub-frame set 3:[1,2,6,7]; Sub-frame set 4:[2,3,7,8]; Sub-frame set 5:[1,2,3,6,7,8].
| D2D subframe drawing indexing | Sub-frame configuration |
| 1 | 2,3,6,7 |
| 2 | 1,2,7,8 |
| 3 | 1,2,6,7 |
| 4 | 2,3,7,8 |
| 5 | 1,2,3,6,7,8 |
| 。。。 |
In the embodiment of the present invention one preferred implementation, when configuring D2D subframe by described D2D sub-frame allocation instruction (D2D-SubframeAllocation), comprise: in the fdd mode, described D2D sub-frame allocation is designated as 6bit indication information, the corresponding subframe #1 of Far Left bit, second corresponding subframe #2 of bit, 3rd the corresponding subframe #3 of bit, 4th the corresponding subframe #6 of bit, 5th the corresponding subframe #7 of bit, 6th the corresponding subframe #8 of bit, the sub-frame configuration expressing its correspondence when bit value is 1 is D2D subframe.
| d2D subframe configuration information | corresponding subframe position |
| 011110 | 2,3,6,7 |
| 110011 | 1,2,7,8 |
| 110110 | 1,2,6,7 |
| 011011 | 2,3,7,8 |
| 111111 | 1,2,3,6,7,8 |
| .。。 |
In the embodiment of the present invention one preferred implementation, described high-level signaling at least comprises one of following: Paging beep-page message, broadcast, D2D connection establishment request message, D2D connection establishment request response, D2D connect reconfiguration message.Described physical layer signaling includes but not limited to: Downlink Control Information (Downlinkcontrolinformation is called for short DCI).
In the embodiment of the present invention one preferred implementation, described D2D finds and/or the system-frame indication information of D2D signal of communication is the instruction of D2D system-frame, include but not limited to following one or more:
D2D finds and/or D2D signal of communication activates indication information;
D2D finds and/or D2D signal of communication deexcitation indication information;
D2D finds and/or D2D signal of communication starter system frame number D2DSysFrameNumStart;
D2D finds and/or D2D signal of communication continuous systems frame number D2DSysFrameNumDuration;
D2D finds and/or D2D signal of communication activates indication information and/or stops D2D transmission system frame number D2DEndSysFrameNum;
D2D finds and/or D2D communication and signal system frame number offset information (D2D-radioframeAllocationOffset);
D2D finds and/or D2D communication and signal system frame period information (D2D-radioframeAllocationPeriod);
N-th+k system-frame whether D2D system-frame indication information.Wherein, n represents current system frame, and k is the integer in set [0,1,2...].
Described first communication node comprises: base station, D2Drelay equipment, D2D equipment, terminal etc.
Described second communication node comprises: base station, D2Drelay equipment, D2D equipment, terminal etc.
In the embodiment of the present invention one preferred implementation, described method also comprises:
D2D subframe determined in index according to described D2D sub-frame allocation instruction and/or described D2D sub-frame configuration pattern; The described D2D subframe determined distributes D2D resource.
First communication node of the embodiment of the present invention, as shown in Figure 2, comprising:
Indication information transmitting element 11, for being used to indicate the indication information of device-to-device D2D subframe by high-level signaling and/or physical layer signaling to described second communication node transmission and/or being used to indicate the indication information of D2D system-frame.
The D2D subframe allocation method of the embodiment of the present invention, described method comprises:
What second communication node received that the first communication node sent by high-level signaling and/or physical layer signaling is used to indicate the indication information of device-to-device D2D subframe and/or is used to indicate the indication information of D2D system-frame.
The second communication node of the embodiment of the present invention, described second communication node comprises:
Indication information receiving element, is used to indicate the indication information of device-to-device D2D subframe for what receive that the first communication node sent by high-level signaling and/or physical layer signaling and/or is used to indicate the indication information of D2D system-frame.
The embodiment of the present invention provides a kind of D2D sub-frame distribution system, and described system comprises any one communication node above-mentioned and subscriber equipment.
In sum, due to for the limited communication node of partial capability, transceiving data can not be carried out in D2D communication system and cellular communication system in same subframe simultaneously, therefore, how design D2D by the D2D communication of network side and/or the system-frame that finds and the distribution of subframe to communicate/find special subframe reasonably indicating, UE can be worked under cellular communication communicates/find two kinds of communication patterns with D2D by the mode of time-division, and interference and impact reach the problem that the minimum the present invention of being needs to solve.
For the problems referred to above, the technical scheme of the embodiment of the present invention mainly comprises: by high-level signaling and/or physical layer signaling, to the communication node instruction D2D sub-frame allocation situation and/or the D2D subframe drawing indexing that possess D2D ability, and the configuration information of D2D system-frame.Described D2D subframe is used for the transmitting of D2D communication/discovery and/or receives subframe.Described D2D subframe pattern meets the rule of agreement, is undertaken pre-configured or issued by the first transmission node by agreement.
Pass through the embodiment of the present invention, by instruction D2D sub-frame allocation situation and/or D2D subframe drawing indexing, and the configuration information of D2D system-frame, divide suitable D2D to subscriber equipment to communicate/find special subframe, UE can be worked by the mode of time-division simultaneously under cellular communication communicates/find two kinds of communication patterns with D2D, and interference and impact reach minimum.
Below the embodiment of the present invention is specifically addressed, in each embodiment, includes the first communication node, and the method realization flow of the second communication node corresponding with the first communication node.
Embodiment 1:
With regard to the first communication node, as described in Figure 3, comprise the following steps:
Step 301, the first communication node are found by broadcast or RRC transmitting signaling downwards D2D and/or D2D signal of communication activates indication information;
Here, described activation indication information also can pass through physical layer signaling Downlink Control Information (Downlinkcontrolinformation, be called for short DCI) and indicates.
Step 302, the first communication node are found by broadcast or RRC transmitting signaling downwards D2D and/or D2D communication subframe allocation plan sample index.
Correspondingly, with regard to second communication node, as shown in Figure 4, comprising:
The set of step 401, second communication node find according to the pre-configured D2D of agreement and/or D2D communicates subframe allocation plan sample;
It is following several that the set of described communication subframe allocation plan sample includes but not limited in table 1:
| d2D subframe drawing indexing | sub-frame configuration | |
| 1 | 2,3,6,7 | |
| 2 | 1,2,7,8 | |
| 3 | 1,2,6,7 | |
| 4 | 2,3,7,8 | |
| 5 | 1,2,3,6,7,8 | |
| .。。 |
Table 1
It should be noted that, above-mentioned corresponding relation also comprises any corresponding relation between two of D2D subframe drawing indexing 1 corresponding sub-frame configuration 1,2,7,8, D2D subframe drawing indexing 2 correspondence 2,3,6,7 etc.
Step 402, second communication node receive D2D and find and/or D2D signal of communication enable instruction;
Step 403, second communication node receive D2D and find and/or D2D communication subframe allocation plan sample index;
The aggregate information of step 404, second communication node find according to the pre-configured D2D of agreement and/or D2D communicates subframe allocation plan sample and the described drawing indexing received, search and determine that D2D finds and/or D2D communicates subframe allocation plan sample;
Step 405, second communication node carry out D2D discovery/signal of communication in described D2D discovery and/or D2D communication subframe and send/monitor D2D signal to other communication nodes, namely send in D2D subframe or receive D2D data.
As shown in Figure 5, the Signalling exchange between multiple communication node comprises:
Step 501, the first communication node and second communication node be pre-configured D2D sub-frame configuration pattern respectively;
Step 502, the first communication node send D2D to second communication node and activate indication information, D2D sub-frame configuration drawing indexing;
Step 503, second communication node determine D2D system-frame and subframe;
Step 504, second communication node send to third communication node or monitor D2D data.
Embodiment 2:
With regard to the first communication node, comprising:
First communication node is found and/or D2D signal of communication deexcitation indication information by broadcast or RRC transmitting signaling downwards D2D.
In addition, described deexcitation indication information also can pass through physical layer signaling Downlink Control Information (Downlinkcontrolinformation, be called for short DCI) and indicates.
With regard to second communication node, comprising:
Step 601, second communication node receive D2D and find and/or D2D signal of communication deexcitation indication information;
Step 602, second communication node stop D2D discovery/signal of communication to send/monitor.
As shown in Figure 6, the Signalling exchange of the first communication node and second communication node comprises:
Step 701, the first communication node send deexcitation indication information to second communication node;
Step 702, second communication node determine that D2D stops transmission system frame number;
Step 703, second communication node stop sending or receiving D2D data.
Embodiment 3:
With regard to the first communication node, as shown in Figure 7, comprising:
Step 801, the first communication node are found and/or D2D signal of communication starter system frame number D2DSysFrameNumStart and continuous systems frame number D2DSysFrameNumDuration by broadcast or RRC transmitting signaling downwards D2D;
Step 802, the first communication node are found by broadcast or RRC transmitting signaling downwards D2D and/or D2D communication subframe allocation plan sample index.
With regard to second communication node, as shown in Figure 8, comprising:
The set of step 901, second communication node find according to the pre-configured D2D of agreement and/or D2D communicates subframe allocation plan sample;
The set of described communication subframe allocation plan sample includes but not limited in table 2 following several:
| d2D subframe drawing indexing | sub-frame configuration | |
| 1 | 2,3,6,7 | |
| 2 | 1,2,7,8 | |
| 3 | 1,2,6,7 | |
| 4 | 2,3,7,8 | |
| 5 | 1,2,3,6,7,8 | |
| .。。 |
Table 2
Step 902, second communication node receive D2D and find and/or D2D signal of communication starter system frame number D2DSysFrameNumStart and continuous systems frame number D2DSysFrameNumDuration, determine D2D System Frame Number;
Step 903, second communication node receive D2D and find and/or D2D communication subframe allocation plan sample index;
The set of step 904, second communication node find according to the pre-configured D2D of agreement and/or D2D communicates subframe allocation plan sample and the described drawing indexing received, search and determine that D2D finds and/or D2D communicates subframe allocation plan sample;
Step 905, second communication node carry out D2D discovery/signal of communication at the wireless sub-frame that described D2D finds and/or D2D communication system frame is corresponding and send/monitor.
Embodiment 4:
With regard to the first communication node, comprising:
Step 1001, the first communication node are found by broadcast or RRC transmitting signaling downwards D2D and/or D2D signal of communication activates indication information and/or stops D2D transmission system frame number D2DEndSysFrameNum;
Step 1002, the first communication node are found by broadcast or RRC transmitting signaling downwards D2D and/or D2D communication subframe allocation plan sample index.
With regard to second communication node, comprising:
The set of step 1011, second communication node find according to the pre-configured D2D of agreement and/or D2D communicates subframe allocation plan sample;
The set of described communication subframe allocation plan sample includes but not limited in table 3 following several:
| d2D subframe drawing indexing | sub-frame configuration | |
| 1 | 1,2,7,8 | |
| 2 | 2,3,6,7 | |
| 3 | 1,2,6,7 | |
| 4 | 2,3,7,8 | |
| 5 | 1,2,3,6,7,8 | |
| .。。 |
Table 3
Step 1012, second communication node receive D2D discovery and/or D2D signal of communication activates indication information and/or stops D2D transmission system frame number D2DEndSysFrameNum, determines D2D System Frame Number;
Step 1013, second communication node receive D2D and find and/or D2D communication subframe allocation plan sample index;
The set of step 1014, second communication node find according to the pre-configured D2D of agreement and/or D2D communicates subframe allocation plan sample and the described drawing indexing received, search and determine that D2D finds and/or D2D communicates subframe allocation plan sample;
Step 1015, second communication node find at described D2D and/or
The subframe that embodiment 5:D2D communication system frame is corresponding is carried out D2D discovery/signal of communication and is sent/monitor.
The difference of the present embodiment and embodiment 3 is:
With regard to the first communication node, comprising:
First communication node is found by broadcast or RRC transmitting signaling downwards D2D and/or D2D communication and signal system frame number cycle and System Frame Number biased.
With regard to second communication node, comprising:
Second communication node receives D2D and finds and/or D2D communication and signal system frame number cycle and System Frame Number biased, determines D2D System Frame Number.
Embodiment 6:
Protocol conventions D2D finds that proprietary subframe can appear in D2DSysFrameNumDuration system-frame continuously, suppose that startup offset is D2DSysFrameNumOffset, so when UE receives D2D discovery and/or D2D signal of communication activation indication information at D2DSysFrameNumDuration* (i-1)+D2DSysFrameNumOffset to D2DSysFrameNumDuration*i+D2DSysFrameNumOffset-1 system-frame, then start to carry out D2D discovery/signal of communication D2DSysFrameNumDuration*i+D2DSysFrameNumOffset system-frame to send/monitor.Wherein, i is natural number, and D2DSysFrameNumDuration, D2DSysFrameNumOffset are the natural number that protocol conventions or system are issued a notice.
With regard to the first communication node, comprising:
Step 1021, the first communication node are by beep-page message or broadcast or RRC transmitting signaling downwards D2D finds and/or D2D signal of communication activates indication information;
Step 1022, the first communication node are found by broadcast or RRC transmitting signaling downwards D2D and/or D2D communication subframe allocation plan sample index.
With regard to second communication node, comprising:
The set of step 1031, second communication node find according to the pre-configured D2D of agreement and/or D2D communicates subframe allocation plan sample;
The set of described communication subframe allocation plan sample includes but not limited in table 4 following several:
| d2D subframe drawing indexing | sub-frame configuration | |
| 1 | 2,3,6,7 | |
| 2 | 1,2,7,8 | |
| 3 | 1,2,6,7 | |
| 4 | 2,3,7,8 | |
| 5 | 1,2,3,6,7,8 | |
| .。。 |
Table 4
It should be noted that, above-mentioned corresponding relation also comprises any corresponding relation between two of D2D subframe drawing indexing 1 corresponding sub-frame configuration 1,2,7,8, D2D subframe drawing indexing 2 correspondence 2,3,6,7 etc.
Step 1032, second communication node receive D2D and find and/or D2D signal of communication enable instruction in paging channel or broadcast channel;
Step 1033, second communication node, according to the D2DSysFrameNumDuration of protocol conventions, D2DSysFrameNumOffset and current System Frame Number iSysFrameNum, determine the value of i,
I=floor ((iSysFrameNum-D2DSysFrameNumOffset)/D2DSysFrameNumDuration); Thus determine that next D2D sends the position N of the starter system frame in cycle, N=D2DSysFrameNumDuration*i+D2DSysFrameNumOffset;
Step 1034, second communication node receive D2D and find and/or D2D communication subframe allocation plan sample index;
The set of second communication node finds according to the pre-configured D2D of agreement and/or D2D communicates subframe allocation plan sample and the described sub-frame configuration drawing indexing received, search and determine that D2D finds and/or D2D communicates subframe allocation plan sample;
Step 1035, second communication node start to carry out D2D discovery/signal of communication in described D2D discovery and/or D2D communication subframe in N number of system-frame and send/monitor.
Embodiment 7:
The difference of the present embodiment and embodiment 6 is:
First communication node is by beep-page message or broadcast or RRC transmitting signaling downwards D2D finds and/or the continuous systems frame number D2DSysFrameNumDuration of D2D signal of communication, and startup offset is D2DSysFrameNumOffset.And these two parameters are protocol conventions in embodiment 6, without the need to issuing.
With regard to the first communication node, as shown in Figure 9, comprising:
Step 1041, the first communication node are by beep-page message or broadcast or RRC transmitting signaling downwards D2D finds and/or D2D signal of communication activates indication information;
Step 1042, the first communication node are by broadcast or RRC transmitting signaling downwards continuous systems frame number D2DSysFrameNumDuration, and startup offset is D2DSysFrameNumOffset.
Step 1043, the first communication node are found by broadcast or RRC transmitting signaling downwards D2D and/or D2D communication subframe allocation plan sample index.
With regard to second communication node, comprising:
The set of step 1051, second communication node find according to the pre-configured D2D of agreement and/or D2D communicates subframe allocation plan sample;
The set of described communication subframe allocation plan sample includes but not limited in table 5 following several:
| d2D subframe drawing indexing | sub-frame configuration | |
| 1 | 2,3,6,7 | |
| 2 | 1,2,7,8 | |
| 3 | 1,2,6,7 | |
| 4 | 2,3,7,8 | |
| 5 | 1,2,3,6,7,8 | |
| .。。 |
Table 5
It should be noted that, above-mentioned corresponding relation also comprises any corresponding relation between two of D2D subframe drawing indexing 1 corresponding sub-frame configuration 1,2,7,8, D2D subframe drawing indexing 2 correspondence 2,3,6,7 etc.
Step 1052, second communication node receive D2D and find and/or D2D signal of communication enable instruction in paging channel or broadcast channel;
Step 1053, second communication node receive D2DSysFrameNumDuration, D2DSysFrameNumOffset and current System Frame Number iSysFrameNum, determine the value of i,
I=floor ((iSysFrameNum-D2DSysFrameNumOffset)/D2DSysFrameNumDuration); Thus determine that next D2D sends the position N of the starter system frame in cycle, N=D2DSysFrameNumDuration*i+D2DSysFrameNumOffset;
Step 1054, second communication node receive D2D and find and/or D2D communication subframe allocation plan sample index;
The set of step 1055, second communication node find according to the pre-configured D2D of agreement and/or D2D communicates subframe allocation plan sample and the described sub-frame configuration drawing indexing received, search and determine that D2D finds and/or D2D communicates subframe allocation plan sample;
Step 1056, second communication node start to carry out D2D discovery/signal of communication in described D2D discovery and/or D2D communication subframe in N number of system-frame and send/monitor.
Embodiment 8:
With regard to the first communication node, comprising:
First communication node is found and/or D2D signal of communication deexcitation indication information by broadcast or RRC transmitting signaling downwards D2D.
With regard to second communication node, comprising:
Step 1061, second communication node receive D2D and find and/or D2D signal of communication deexcitation indication information;
Step 1062, second communication node are according to the system-frame duration D2DSysFrameNumDuration of protocol conventions, and D2DSysFrameNumOffset and current System Frame Number iSysFrameNum, determines the value of i,
I=floor ((iSysFrameNum-D2DSysFrameNumOffset)/D2DSysFrameNumDuration); Thus determine that next D2D sends the position N of the cut-off system frame in cycle, N=D2DSysFrameNumDuration*i+D2DSysFrameNumOffset;
Wherein, system-frame duration D2DSysFrameNumDuration, D2DSysFrameNumOffset and current System Frame Number iSysFrameNum also can by the first communication node by broadcast or RRC transmitting signaling downwards.Also receive before can adopting and the value information of preserving.
Step 1063, second communication node start to stop D2D discovery/signal of communication to send/monitor in N number of system-frame.
Embodiment 9:
The present embodiment is with the difference of embodiment 1: the set of described D2D finds and/or D2D communicates subframe allocation plan sample is not carry out pre-configured according to agreement, but by system broadcasts or proprietary transmitting signaling downwards.
Embodiment 10:
With regard to the first communication node, comprising:
Step 1071, the first communication node are found by broadcast or RRC transmitting signaling downwards D2D and/or D2D signal of communication activates indication information;
Step 1072, the first communication node are found by broadcast or RRC transmitting signaling downwards D2D and/or D2D communication subframe allocation plan sample.
With regard to second communication node, comprising:
Step 1081, second communication node receive D2D and find and/or D2D communication subframe configuration information;
Described communication subframe allocation plan sample includes but not limited in table 6 following several:
| d2D subframe configuration information | corresponding subframe position | |
| 011110 | 2,3,6,7 | |
| 110011 | 1,2,7,8 | |
| 110110 | 1,2,6,7 | |
| 011011 | 2,3,7,8 | |
| 111111 | 1,2,3,6,7,8 | |
| .。。 |
Table 6
Step 1082, second communication node receive D2D and find and/or D2D signal of communication enable instruction;
Step 1083, second communication node receive D2D and find and/or D2D communication subframe configuration information, determine D2D subframe;
Step 1084, second communication node carry out D2D discovery/signal of communication in described D2D discovery and/or D2D communication subframe and send/monitor.
In sum, the method proposed by the embodiment of the present invention, subscriber equipment as required by the request D2D communication resource of simple flow process fast and flexible, can guarantee the distribution of D2D resource and carrying out smoothly of follow-up D2D communication.In addition the method that the embodiment of the present invention proposes also can be applicable to the communication of business application scenarios.
If module integrated described in the embodiment of the present invention using the form of software function module realize and as independently production marketing or use time, also can be stored in a computer read/write memory medium.Based on such understanding, the technical scheme of the embodiment of the present invention can embody with the form of software product the part that prior art contributes in essence in other words, this computer software product is stored in a storage medium, comprises some instructions and performs all or part of of method described in each embodiment of the present invention in order to make a computer equipment (can be personal computer, server or the network equipment etc.).And aforesaid storage medium comprises: USB flash disk, portable hard drive, read-only memory (ROM, Read-OnlyMemory), random access memory (RAM, RandomAccessMemory), magnetic disc or CD etc. various can be program code stored medium.Like this, the embodiment of the present invention is not restricted to any specific hardware and software combination.
Accordingly, the embodiment of the present invention also provides a kind of computer-readable storage medium, wherein stores computer program, and this computer program is for performing the D2D subframe allocation method of the embodiment of the present invention.
The above, be only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention.
Claims (32)
1. a device-to-device subframe allocation method, is characterized in that, described method comprises:
First communication node is used to indicate the indication information of device-to-device D2D subframe by high-level signaling and/or physical layer signaling to described second communication node transmission and/or is used to indicate the indication information of D2D system-frame.
2. method according to claim 1, is characterized in that, the indication information of described D2D subframe at least comprise following one or more:
The index of D2D sub-frame configuration pattern;
D2D sub-frame configuration pattern;
D2D sub-frame allocation indicates.
3. method according to claim 2, is characterized in that, described D2D sub-frame configuration pattern is arrange in advance, carries out pre-configured at described first communication node and described second communication node.
4. method according to claim 3, is characterized in that, one or more downstream signals following in the D2D subframe represented in described D2D sub-frame configuration pattern and cellular system are not in same subframe;
One or more downstream signals described comprise: master sync signal, auxiliary synchronous signals, paging signal, main broadcast channel, system broadcasts signal 1.
5. method according to claim 4, is characterized in that, described method also comprises: for described cellular system, and described D2D subframe can not appear at the 0th, 4,5,9 subframes.
6. method according to claim 3, is characterized in that, the D2D sub-frame interval represented in described D2D sub-frame configuration pattern does not allow for N number of subframe; Wherein, the value of N is hybrid automatic repeat-request HARQ retransmission time interval.
7. method according to claim 3, is characterized in that, the D2D sub-frame interval represented in described D2D sub-frame configuration pattern comprises: 1 subframe and k subframe; Wherein, the interval between the subframe of k residing for HARQ feedback information and the subframe residing for data message corresponding to described feedback information.
8., according to the method described in claim 2 to 7, it is characterized in that, for cellular system, the D2D subframe that represents in the set of described D2D sub-frame configuration pattern numbering comprise following one or more:
Sub-frame set 1:[2,3,6,7];
Sub-frame set 2:[1,2,7,8];
Sub-frame set 3:[1,2,6,7];
Sub-frame set 4:[2,3,7,8];
Sub-frame set 5:[1,2,3,6,7,8].
9. method according to claim 2, is characterized in that, described method also comprises: by the described D2D subframe of described D2D sub-frame allocation instruction configuration;
Comprised by the described D2D subframe of described D2D sub-frame allocation instruction configuration: in the fdd mode, described D2D sub-frame allocation is designated as 6bit indication information, the corresponding subframe #1 of Far Left bit, second corresponding subframe #2 of bit, 3rd the corresponding subframe #3 of bit, the 4th the corresponding subframe #6 of bit, the 5th the corresponding subframe #7 of bit, 6th the corresponding subframe #8 of bit, the sub-frame configuration expressing its correspondence when bit value is 1 is D2D subframe.
10. method according to claim 1, it is characterized in that, described high-level signaling at least comprises one or more message in Paging beep-page message, broadcast, D2D connection establishment request message, D2D connection establishment request response, D2D connection reconfiguration message;
Described physical layer signaling at least comprises Downlink Control Information.
11. methods according to claim 1, is characterized in that, the indication information of described D2D system-frame is the instruction of D2D system-frame, at least comprise following one or more:
D2D finds and/or D2D signal of communication activates indication information;
D2D finds and/or D2D signal of communication deexcitation indication information;
D2D finds and/or D2D signal of communication starter system frame number;
D2D finds and/or D2D signal of communication continuous systems frame number;
D2D finds and/or D2D signal of communication activates indication information and/or stops D2D transmission system frame number;
D2D finds and/or D2D communication and signal system frame number offset information;
D2D finds and/or D2D communication and signal system frame period information;
N-th+k system-frame whether D2D system-frame indication information; Wherein, described n represents current system frame, and described k is the integer in set [0,1,2...].
12. methods according to claim 2, is characterized in that, described method also comprises:
D2D subframe determined in index according to described D2D sub-frame allocation instruction and/or described D2D sub-frame configuration pattern;
The described D2D subframe determined distributes D2D resource.
13. a kind of first communication node, is characterized in that, described first communication node comprises:
Indication information transmitting element, for being used to indicate the indication information of device-to-device D2D subframe by high-level signaling and/or physical layer signaling to described second communication node transmission and/or being used to indicate the indication information of D2D system-frame.
14. first communication nodes according to claim 13, is characterized in that, the configuration information of described subframe at least comprise following one or more:
The index of D2D sub-frame configuration pattern;
D2D sub-frame configuration pattern;
D2D sub-frame allocation indicates.
15. first communication nodes according to claim 14, is characterized in that, described D2D sub-frame configuration pattern is arrange in advance, carries out pre-configured at described first communication node and described second communication node.
16. first communication nodes according to claim 15, is characterized in that, one or more downstream signals following in the D2D subframe represented in described D2D sub-frame configuration pattern and cellular system are not in same subframe;
One or more downstream signals described comprise: master sync signal, auxiliary synchronous signals, paging signal, main broadcast channel, system broadcasts signal 1.
17. first communication nodes according to claim 16, it is characterized in that, described method also comprises: for described cellular system, and described D2D subframe can not appear at the 0th, 4,5,9 subframes.
18. first communication nodes according to claim 15, is characterized in that, the D2D sub-frame interval represented in described D2D sub-frame configuration pattern does not allow for N number of subframe; Wherein, the value of N is hybrid automatic repeat-request HARQ retransmission time interval.
19. first communication nodes according to claim 15, is characterized in that, the D2D sub-frame interval represented in described D2D sub-frame configuration pattern comprises: 1 subframe and k subframe; Wherein, the interval between the subframe of k residing for HARQ feedback information and the subframe residing for data message corresponding to described feedback information.
20., according to claim 14 to the first communication node described in 19, is characterized in that, for cellular system, the D2D subframe that represents in the set of described D2D sub-frame configuration pattern numbering comprise following one or more:
Sub-frame set 1:[2,3,6,7];
Sub-frame set 2:[1,2,7,8];
Sub-frame set 3:[1,2,6,7];
Sub-frame set 4:[2,3,7,8];
Sub-frame set 5:[1,2,3,6,7,8].
21. first communication nodes according to claim 14, is characterized in that, described first communication node also comprises:
Configuration process unit, for configuring described D2D subframe by described D2D sub-frame allocation instruction, comprised by the described D2D subframe of described D2D sub-frame allocation instruction configuration: in the fdd mode, described D2D sub-frame allocation is designated as 6bit indication information, the corresponding subframe #1 of Far Left bit, second corresponding subframe #2 of bit, 3rd the corresponding subframe #3 of bit, 4th the corresponding subframe #6 of bit, 5th the corresponding subframe #7 of bit, 6th the corresponding subframe #8 of bit, the sub-frame configuration expressing its correspondence when bit value is 1 is D2D subframe.
22. first communication nodes according to claim 13, it is characterized in that, described high-level signaling at least comprises one or more message in Paging beep-page message, broadcast, D2D connection establishment request message, D2D connection establishment request response, D2D connection reconfiguration message;
Described physical layer signaling at least comprises Downlink Control Information.
23. first communication nodes according to claim 13, is characterized in that, the indication information of described D2D system-frame is the instruction of D2D system-frame, at least comprise following one or more:
D2D finds and/or D2D signal of communication activates indication information;
D2D finds and/or D2D signal of communication deexcitation indication information;
D2D finds and/or D2D signal of communication starter system frame number;
D2D finds and/or D2D signal of communication continuous systems frame number;
D2D finds and/or D2D signal of communication activates indication information and/or stops D2D transmission system frame number;
D2D finds and/or D2D communication and signal system frame number offset information;
D2D finds and/or D2D communication and signal system frame period information;
N-th+k system-frame whether D2D system-frame indication information; Wherein, described n represents current system frame, and described k is set [0,1,2 ... ] in integer.
24. first communication nodes according to claim 14, is characterized in that, described first communication node also comprises:
Determining unit, for determining D2D subframe according to the index of described D2D sub-frame allocation instruction and/or described D2D sub-frame configuration pattern;
Allocation units, for distributing D2D resource in the described D2D subframe determined.
25. 1 kinds of device-to-device subframe allocation methods, is characterized in that, described method comprises:
What second communication node received that the first communication node sent by high-level signaling and/or physical layer signaling is used to indicate the indication information of device-to-device D2D subframe and/or is used to indicate the indication information of D2D system-frame.
26. methods according to claim 25, is characterized in that, the configuration information of described subframe at least comprise following one or more:
The index of D2D sub-frame configuration pattern;
D2D sub-frame configuration pattern;
D2D sub-frame allocation indicates.
27. methods according to claim 26, is characterized in that, described D2D sub-frame configuration pattern is arrange in advance, carries out pre-configured at described first communication node and described second communication node.
28. methods according to claim 26, is characterized in that, described method also comprises:
According to the index-mapping of described D2D sub-frame configuration pattern to D2D sub-frame configuration;
The transmission of D2D data and/or monitoring is carried out according to the subframe that the index by described D2D sub-frame allocation instruction and/or described D2D sub-frame configuration pattern is determined.
29. 1 kinds of second communication nodes, is characterized in that, described second communication node comprises:
Indication information receiving element, is used to indicate the indication information of device-to-device D2D subframe for what receive that the first communication node sent by high-level signaling and/or physical layer signaling and/or is used to indicate the indication information of D2D system-frame.
30. second communication nodes according to claim 29, is characterized in that, the configuration information of described subframe at least comprise following one or more:
The index of D2D sub-frame configuration pattern;
D2D sub-frame configuration pattern;
D2D sub-frame allocation indicates.
31. second communication nodes according to claim 30, is characterized in that, described D2D sub-frame configuration pattern is arrange in advance, carries out pre-configured at described first communication node and described second communication node.
32. second communication nodes according to claim 30, is characterized in that, described second communication node also comprises:
Map unit, for according to the index-mapping of described D2D sub-frame configuration pattern to D2D sub-frame configuration;
Processing unit, carries out the transmission of D2D data and/or monitoring for the subframe determined according to the index by described D2D sub-frame allocation instruction and/or described D2D sub-frame configuration pattern.
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| PCT/CN2014/087336 WO2015169034A1 (en) | 2014-05-09 | 2014-09-24 | Device-to-device subframe allocation method, first communication node and second communication node |
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| WO2017133417A1 (en) * | 2016-02-04 | 2017-08-10 | 中兴通讯股份有限公司 | Data channel subframe indication method and device |
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| CN102281099A (en) * | 2011-08-08 | 2011-12-14 | 电信科学技术研究院 | Method, system and equipment for transmitting data in time division duplex (TDD) radio frame |
| CN103139921A (en) * | 2011-11-24 | 2013-06-05 | 华为技术有限公司 | Device-to-device (D2D) method, D2D device and base station |
| CN103209487A (en) * | 2012-01-17 | 2013-07-17 | 中兴通讯股份有限公司 | Wireless communication method, device and system |
| CN103368713A (en) * | 2012-03-26 | 2013-10-23 | 中兴通讯股份有限公司 | Device-to-device communication method and device |
| CN104113913A (en) * | 2013-04-17 | 2014-10-22 | 中兴通讯股份有限公司 | Data transmitting method and device |
| CN104244413A (en) * | 2013-06-14 | 2014-12-24 | 中兴通讯股份有限公司 | Subframe configuration indication method and system in device-to-device (D2D) communication |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017133417A1 (en) * | 2016-02-04 | 2017-08-10 | 中兴通讯股份有限公司 | Data channel subframe indication method and device |
| CN107041002A (en) * | 2016-02-04 | 2017-08-11 | 中兴通讯股份有限公司 | The indicating means and device of data channel sub-frame |
| CN107041002B (en) * | 2016-02-04 | 2023-11-17 | 中兴通讯股份有限公司 | Indication method and device for data channel subframes |
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| Publication number | Publication date |
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| WO2015169034A1 (en) | 2015-11-12 |
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