CN105992231A - Method for realizing off-network adjacent area D2D communication - Google Patents
Method for realizing off-network adjacent area D2D communication Download PDFInfo
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- CN105992231A CN105992231A CN201510054738.0A CN201510054738A CN105992231A CN 105992231 A CN105992231 A CN 105992231A CN 201510054738 A CN201510054738 A CN 201510054738A CN 105992231 A CN105992231 A CN 105992231A
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Abstract
The present invention provides a method for realizing off-network adjacent area D2D communication. The method comprises: a D2D terminal located at the covering edge forwards the base control information to the outside of the network in a network covering range, each offline D2D terminal receiving the control information forwarded by a D2D terminal in the same network and a D2D terminal in the network form a cluster, the D2D terminal in the network is the cluster head node of the cluster, each offline D2D terminal is the member node of the cluster; and the cluster member node applies and obtains the resource information distributed by the base through the cluster head node and uses the source for D2D communication. The covering range of a district is effectively extended, the source utilization rate of a cellular system is improved, and the system capacity is increased.
Description
Technical field
The present invention relates to communication technical field, in particularly relating to a kind of utilization net, straightforward trunking node realizes network
The method covering peripheral adjacent domain terminal-to-terminal service communication.
Background technology
At present, in cellular networks in order to improve system effectiveness and resource utilization, in LTE-Advanced
Have been proposed for the pattern of a kind of direct communication between terminals, i.e. terminal-to-terminal service (Device-to-Device, letter
Claim D2D) communication.Under this communication pattern, when two terminals are close together, base can not be passed through
Stand and forward and directly communicate.Terminal in D2D system, still by base station control, needs to receive honeycomb system
The control information of system transmission, to obtain the D2D communication resource, and realizes interference coordination under the control of base station,
The functions such as charging.In communicating due to D2D between terminal the data of transmission without by the switching of base station, because of
This alleviates the burden of cellular network communication.
But, two terminals carrying out D2D communication are still to be under cellular network covering, to receive base
Stand send control information, and then obtain the D2D communication resource.If it is intended to communicate two D2D
One of terminal or two D2D terminals are in off-grid state, just cannot get the resource of base station distribution, from
And cause the resource that base station cannot be utilized to distribute to carry out D2D communication.How to realize the terminal under situation above
Between utilize Internet resources communicate become be currently needed for solve problem.
Summary of the invention
In order to solve the problems referred to above, the present invention proposes a kind of method realizing and netting the communication of outer adjacent domain D2D,
Including: in network coverage and be in cover edge D2D terminal to net outer repeating base station control disappear
Breath, receives in each off-grid D2D terminal and this net of the controls message that D2D terminal forwards in same net
D2D terminal forms one bunch, and in described net, D2D terminal is the cluster head node of this bunch, and each off-grid D2D is eventually
End is the member node of this bunch；Bunch member node is by cluster head node application and obtains the resource of base station distribution and believes
Breath, and use described resource to carry out D2D communication.
Particularly, the forming process of described bunch specifically includes: base station sends a broadcast over the broadcast and disappears
Breath, comprises one piece of public resource for D2D in this message；In net, D2D terminal receives this broadcast,
And broadcast one controls message on a control channel, comprises: described D2D's is public in described control message
D2D Termination ID in resource and described net；Off-grid D2D terminal receives described control message, it is thus achieved that described
D2D Termination ID in the public resource of D2D and described net；In the net included in control message received
Each off-grid D2D terminal that D2D Termination ID is identical forms one bunch with D2D terminal in this net.
Further, described bunch of member node by cluster head node application and obtains the resource information that base station is distributed
Specifically include: bunch member node sends D2D to cluster head node on the public resource of the D2D of base station broadcast
Conversation request；After described cluster head node receives D2D conversation request, send resource allocation request to base station；
Described base station is this bunch of distribution channel resource, and by controlling cluster head node described in channel notification；Described cluster head
Node bunch in broadcast base station distribution channel resource；Described bunch of member node monitor cluster head node bunch in wide
Broadcast message, obtain the described channel resource of base station distribution.
Particularly, described cluster head node carries the geographical position of this bunch in the resource allocation request that base station sends
Information.
Particularly, described bunch of member node takies the public resource of described D2D based on competitive way.
Particularly, described base station is that the channel resource of this bunch of distribution is one group of time long enough and does not leads to honeycomb
The frequency resource that letter interferes.
Particularly, the method also includes: when having multiple bunches in network coverage periphery adjacent domain, base station
According to the positional information of each bunch, for the adjacent bunch frequency resource that distribution is different, bunch distribution for interval is identical
Frequency resource.
The present invention gives utilize net in D2D terminal as relaying, neighbouring for being positioned at network coverage periphery
The resource of the D2D terminal repeating base station distribution of the off-grid state that is in region, so that being positioned at the network coverage
The resource that the off-grid D2D terminal of peripheral adjacent domain can use base station to distribute realizes the side of D2D communication
Method, the method extends the coverage of community effectively, improves the resource utilization of cellular system, and
Add power system capacity.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to enforcement
In example or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that, retouch below
Accompanying drawing in stating is some embodiments of the present invention, for those of ordinary skill in the art, is not paying
On the premise of creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 be the present invention net in straightforward trunking auxiliary net outer terminal D 2D communication scenes figure；
Fig. 2 is the base station that uses of the present invention resource allocation flow figure to certain bunch；
Fig. 3 is the base station that uses of the present invention frequency resource allocation figure to multiple bunches.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with the present invention
Accompanying drawing in embodiment, is clearly and completely described the technical scheme in the embodiment of the present invention, it is clear that
Described embodiment is a part of embodiment of the present invention rather than whole embodiments；It should be noted that
In the case of not conflicting, the embodiment in the application and the feature in embodiment can be mutually combined.Based on
Embodiment in the present invention, those of ordinary skill in the art are obtained under not making creative work premise
Every other embodiment, broadly fall into the scope of protection of the invention.
In order to solve to be in off-grid state and be positioned at the D2D terminal of network coverage periphery adjacent domain and utilize base
Stand the problem that communicates of resource of distribution, the invention provides a kind of D2D utilized in network's coverage area
Terminal carries out D2D as the resource utilizing base station to distribute between the outer D2D terminal of via node achievement unit subnetting
Communication method, the method includes: in network coverage and be in cover edge D2D terminal to
Net outer repeating base station and control message, receive each off-grid of the control message that D2D terminal forwards in same net
D2D terminal forms one bunch with D2D terminal in this net, and in described net, D2D terminal is the cluster head joint of this bunch
Point, each off-grid D2D terminal is the member node of this bunch；Bunch member node is by cluster head node application and obtains
Take the resource information of base station distribution, and use described resource to carry out D2D communication.
Wherein, the forming process of above-mentioned bunch can process as follows: base station sends a broadcast over the broadcast
Message, comprises one piece of public resource for D2D in this message；The interior D2D terminal of net receives this broadcast and disappears
Breath, and broadcast one controls message on a control channel, comprises: described D2D's in described control message
D2D Termination ID in public resource and described net；Off-grid D2D terminal receives described control message, it is thus achieved that institute
State D2D Termination ID in the public resource of D2D and described net；The net included in control message received
Each off-grid D2D terminal that interior D2D Termination ID is identical forms one bunch with D2D terminal in this net.
Further, bunch member node is concrete by the resource information of cluster head node application and the distribution of acquisition base station
Including: bunch member node sends D2D session to cluster head node on the public resource of the D2D of base station broadcast
Request；After described cluster head node receives D2D conversation request, send resource allocation request to base station；Described
Base station is this bunch of distribution channel resource, and by controlling cluster head node described in channel notification；Described cluster head node
Bunch in broadcast base station distribution channel resource；Described bunch of member node monitor cluster head node bunch in broadcast and disappear
Breath, obtains the described channel resource of base station distribution.Wherein, the resource distribution that cluster head node sends to base station please
The geographical location information of this bunch is carried in asking.Described bunch of member node takies described D2D based on competitive way
Public resource.Base station is that the channel resource of this bunch of distribution is one group of time long enough and does not makes cellular communication
Become the frequency resource of interference.When having multiple bunches in network coverage periphery adjacent domain, base station is according to each bunch
Positional information, for the frequency resource that adjacent bunch of distribution is different, for bunch frequency that distribution the is identical money at interval
Source.
The realization of said method can be illustrated in terms of following three respectively.
1, bunch forming process
In network's coverage area, being dispersed with some D2D terminals, these D2D terminals are responsible for turning outside net
Send out the control message of base station, and network coverage edge should be positioned at, to guarantee the control that base station sends to be disappeared
It is overseas and reach certain coverage that breath is forwarded to network coverage area.
In network coverage periphery adjacent domain, it is dispersed with some D2D terminals being in off-grid state, receives
All such of the control message that D2D terminal forwards in same net is netted in outer D2D terminal and this net
D2D terminal forms one bunch, and in this net, D2D terminal is referred to as the cluster head node of this bunch, the D2D of other off-grids
Terminal is referred to as the member node of this bunch.D2D communication can be realized between bunch interior all terminals.
It is likely to be formed multiple such bunch in network coverage periphery adjacent domain.
Refer to accompanying drawing 1, as a example by bunch 1 in Fig. 1, UE1 is in the D2D in network's coverage area
Terminal, UE11, UE12, UE13 are in off-grid state and are positioned at network coverage periphery adjacent domain
D2D terminal, and UE11, UE12, UE13 can receive UE1 forward control message, therefore UE1
Belong to same bunch with UE11, UE12, UE13, be bunch 1 herein, and the cluster head joint that UE1 is bunch 1
Point, UE11, UE12, UE13 are the member node of bunch 1.Fig. 1 contains 4 such bunch.
2, the base station resource allocation process to bunch
Refer to accompanying drawing 2, base station generally comprises following steps to the resource allocation process of bunch:
Step one: base station sends a broadcast over the broadcast, this message comprises one piece for
The public resource of D2D；
Step 2: in net, D2D terminal receives this broadcast, and one control of broadcast on a control channel
Message, comprises in this message: the public resource for D2D of base station broadcast, broadcasts this control message
D2D Termination ID in net；
Step 3: be in off-grid state and be positioned at the D2D terminal reception net of network coverage periphery adjacent domain
The control message of interior D2D terminal broadcast, it is thus achieved that for the public resource of D2D, and learn this control of broadcast
D2D Termination ID in the net of message.The terminal of off-grid forms one bunch with D2D terminal in net herein, this net
Interior D2D terminal is cluster head node, and the terminal of off-grid is member node；
Bunch interior member node mode based on competition on the public resource for D2D of base station broadcast to
Cluster head node sends D2D conversation request；
Step 4: after cluster head node receives D2D conversation request, applies for one group of available channel money to base station
Source；
Step 5: base station is according to the position at bunch place, to resources such as one group of available frequencies of this bunch of distribution, and
By controlling the cluster head node of this bunch of channel notification；
Step 6: cluster head node bunch in broadcast base station distribution resource；
Step 7: bunch interior member node monitor cluster head node bunch in broadcast, obtain base station distribution
Resource；
Step 8: bunch interior nodes proceeds by D2D communication in the resource that base station is distributed.
3, base station is the principle of multiple bunches of resource distribution
1), when cluster head node sends resource allocation request to base station, the geographical location information of this bunch is comprised；
2) base station is required to be cluster head node and distributes one group and use time long enough and can not causing cellular communication
The frequency resource of interference；
3) when network coverage periphery adjacent domain exists multiple bunches, base station according to the positional information of each bunch,
For the frequency resource that adjacent bunch of distribution is different, for bunch frequency resource that distribution is identical at interval.
Base station refer to accompanying drawing 3 to the frequency resource allocation situation of multiple bunches.Frequency resource f1 and f2 for
It is all enough from the point of view of the D2D communication of bunch 1～bunches 4, and will not existing cellular communication be caused dry
Disturb.Non-conterminous in view of bunch 1 and bunches 4, will not mutually interfere, thus sharp in order to improve frequency as far as possible
By rate, it is assigned with identical frequency resource f1 for bunch 1 and bunches 4；Same reason, for bunches 2 and bunches 3 points
Join resource f2.Although bunches 3 and bunches 4 is adjacent, but they obtain different frequency resources, so phase
Also interference will not be formed between Hu；Bunch 1 and bunches 2 is as the same.
Illustrating in terms of above three is analyzed it can be seen that The present invention gives and utilize the D2D in netting eventually
End, as relaying, forwards for being positioned at the D2D terminal of the off-grid state that is in of network coverage periphery adjacent domain
The resource of base station distribution, so that the off-grid D2D terminal being positioned at network coverage periphery adjacent domain can make
The method realizing D2D communication by the resource of base station distribution, the method extends the covering model of community effectively
Enclose, improve the resource utilization of cellular system, and add power system capacity.
One of ordinary skill in the art will appreciate that: all or part of step realizing said method embodiment can
Completing with the hardware relevant by programmed instruction, aforesaid program can be stored in an embodied on computer readable and deposit
In storage media, this program upon execution, performs to include the step of said method embodiment；And aforesaid storage
Medium includes: the various media that can store program code such as ROM, RAM, magnetic disc or CD.
Last it is noted that above example is only in order to illustrate technical scheme, rather than it is limited
System；Although the present invention being described in detail with reference to previous embodiment, those of ordinary skill in the art
It is understood that the technical scheme described in foregoing embodiments still can be modified by it, or to it
Middle part technical characteristic carries out equivalent；And these amendments or replacement, do not make appropriate technical solution
Essence departs from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (7)
1. the method realizing netting the communication of outer adjacent domain D2D, it is characterised in that including:
In network coverage and be in cover edge D2D terminal to net outer repeating base station control message,
Receive each off-grid D2D terminal of control message of D2D terminal forwarding and D2D in this net in same net
Terminal forms one bunch, and in described net, D2D terminal is the cluster head node of this bunch, and each off-grid D2D terminal is
The member node of this bunch；
Bunch member node is by cluster head node application and the resource information that obtains base station distribution, and uses described money
Source carries out D2D communication.
Method the most according to claim 1, it is characterised in that the forming process of described bunch is specifically wrapped
Include:
Base station sends a broadcast over the broadcast, comprises one piece of public affairs for D2D in this message
Resource altogether；
In net, D2D terminal receives this broadcast, and broadcast one controls message, institute on a control channel
State in control message and comprise: D2D Termination ID in the public resource of described D2D and described net；
Off-grid D2D terminal receives described control message, it is thus achieved that in the public resource of described D2D and described net
D2D Termination ID；
Each off-grid D2D terminal that in net included in the control message received, D2D Termination ID is identical
One bunch is formed with D2D terminal in this net.
Method the most according to claim 2, it is characterised in that described bunch of member node passes through cluster head
The resource information of node application and the distribution of acquisition base station specifically includes:
Bunch member node sends D2D session to cluster head node on the public resource of the D2D of base station broadcast please
Ask；
After described cluster head node receives D2D conversation request, send resource allocation request to base station；
Described base station is this bunch of distribution channel resource, and by controlling cluster head node described in channel notification；
Described cluster head node bunch in broadcast base station distribution channel resource；
Described bunch of member node monitor cluster head node bunch in broadcast, obtain the described channel of base station distribution
Resource.
Method the most according to claim 3, it is characterised in that described cluster head node sends to base station
Resource allocation request in carry the geographical location information of this bunch.
Method the most according to claim 3, it is characterised in that described bunch of member node is based on competition
Mode takies the public resource of described D2D.
6. according to the method described in claim 1 or 3, it is characterised in that described base station is this bunch of distribution
Channel resource be one group of time long enough and the frequency resource cellular communication not interfered.
7. according to the method described in claim 1 or 3, it is characterised in that the method also includes: when
When network coverage periphery adjacent domain exists multiple bunches, base station is according to the positional information of each bunch, for adjacent bunch
Distribute different frequency resources, for bunch frequency resource that distribution is identical at interval.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510054738.0A CN105992231A (en) | 2015-02-03 | 2015-02-03 | Method for realizing off-network adjacent area D2D communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510054738.0A CN105992231A (en) | 2015-02-03 | 2015-02-03 | Method for realizing off-network adjacent area D2D communication |
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| Publication Number | Publication Date |
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| CN105992231A true CN105992231A (en) | 2016-10-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510054738.0A Withdrawn CN105992231A (en) | 2015-02-03 | 2015-02-03 | Method for realizing off-network adjacent area D2D communication |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106982475A (en) * | 2017-04-10 | 2017-07-25 | 海能达通信股份有限公司 | A kind of call-establishing method and device |
| CN107645392A (en) * | 2016-07-20 | 2018-01-30 | 电信科学技术研究院 | Communication and its control method and device between a kind of user equipment |
| CN110139379A (en) * | 2019-04-23 | 2019-08-16 | 广州海格通信集团股份有限公司 | Information transferring method, equipment, communication system and storage medium in the network integration |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102026307A (en) * | 2010-12-20 | 2011-04-20 | 北京交通大学 | Frequency spectrum switching method in next-generation mobile communication heterogeneous network |
| CN103238306A (en) * | 2010-12-03 | 2013-08-07 | 诺基亚公司 | Device to device cluster enhancement to support data transmission from/to multiple devices |
| WO2014042345A1 (en) * | 2012-09-17 | 2014-03-20 | Lg Electronics Inc. | Method and apparatus for performing harq operation in wireless communication system |
| CN103718600A (en) * | 2011-07-28 | 2014-04-09 | 美国博通公司 | Signaling and procedure design for cellular cluster contending on license-exempt bands |
-
2015
- 2015-02-03 CN CN201510054738.0A patent/CN105992231A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103238306A (en) * | 2010-12-03 | 2013-08-07 | 诺基亚公司 | Device to device cluster enhancement to support data transmission from/to multiple devices |
| CN102026307A (en) * | 2010-12-20 | 2011-04-20 | 北京交通大学 | Frequency spectrum switching method in next-generation mobile communication heterogeneous network |
| CN103718600A (en) * | 2011-07-28 | 2014-04-09 | 美国博通公司 | Signaling and procedure design for cellular cluster contending on license-exempt bands |
| WO2014042345A1 (en) * | 2012-09-17 | 2014-03-20 | Lg Electronics Inc. | Method and apparatus for performing harq operation in wireless communication system |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107645392A (en) * | 2016-07-20 | 2018-01-30 | 电信科学技术研究院 | Communication and its control method and device between a kind of user equipment |
| CN107645392B (en) * | 2016-07-20 | 2020-07-10 | 电信科学技术研究院 | Communication method and device between user equipment, and communication control method and device |
| CN106982475A (en) * | 2017-04-10 | 2017-07-25 | 海能达通信股份有限公司 | A kind of call-establishing method and device |
| CN110139379A (en) * | 2019-04-23 | 2019-08-16 | 广州海格通信集团股份有限公司 | Information transferring method, equipment, communication system and storage medium in the network integration |
| CN110139379B (en) * | 2019-04-23 | 2023-10-13 | 广州海格通信集团股份有限公司 | Information transmission method, equipment, communication system and storage medium in network convergence |
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