CN106937384B - A kind of communication means and device based on relay request - Google Patents
A kind of communication means and device based on relay request Download PDFInfo
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- CN106937384B CN106937384B CN201511021356.4A CN201511021356A CN106937384B CN 106937384 B CN106937384 B CN 106937384B CN 201511021356 A CN201511021356 A CN 201511021356A CN 106937384 B CN106937384 B CN 106937384B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
- H04W88/04—Terminal devices adapted for relaying to or from another terminal or user
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- Computer Networks & Wireless Communication (AREA)
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- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a kind of communication means and device based on relay request, which comprises when the resource pool instruction that evolved base station eNB is sent to relay UE is the instruction of communication resource pond, the relay UE sends relaying relay request to the eNB；The eNB is requested according to the relay, and Xiang Suoshu relay UE sends the instruction of relay resource pool；The relay UE receives the relay resource pool instruction, obtains relay resource pool, and carry out data forwarding as relay node.The present invention forces relay request or after preset time to eNB transmission relay request by sending to eNB, the node currently in network coverage is enabled to carry out data forwarding as relay node, other relay nodes for meeting condition are looked for without expending additional Internet resources, improve network performance.
Description
Technical field
The present invention relates to the communications fields, and in particular to a kind of communication means and device based on relay request.
Background technique
In the 3GPP R13 of long term evolution (Long Term Evolution, LTE) network system, relay is introduced
The concept of UE, relay UE is indicated can be as the terminal of relaying, it is not only a common terminal, is also used as long-range
The relay node of terminal (remote UE), so that being in except network coverage the remote of (out of coverage)
UE can also access the evolved base station (eNB) in network by the relay forwarding function of relay UE.
It is communicated between remote UE and relay UE using the communication resource of D2D, relay UE necessarily is in network
In coverage area (in coverage), and remain RRC CONNECTED state, such eNB could control relay at the moment
The relay role of UE.
When eNB in LTE network is that network node distributes resource pool, it is divided into two kinds: communication resource pond and relay resource
Pond.Resource pool is periodicity time-frequency domain resources block used in D2D communication process, after which is handed down to UE, UE
It is communicated using the communication resource block included in resource pool description.Communication resource pond is the communication that eNB distributes to UE
Permission is the periodic location set that the UE is allowed to the communication resource occupied；Relay resource pool is that eNB distributes to relaying section
The forwarding permission of point, so that UE has data forwarding function.Wherein, UE indicates terminal, such as mobile phone, plate terminal device.
When relay UE will be communicated, it will be requested by ProseUEInformation to eNB proprietary
Relay resource pool, eNB indicate that the resource pool for being allocated to relay UE whether may be used using a characterization parameter (value tag)
To be used for relay.If it is then this resource pool can be used for relay.If it is not, then current relay UE need to be abandoned
Relay function, and data forwarding function is realized as relaying by other terminals.
Summary of the invention
Due to existing in current communication when the eNB resource pool for being sent to relay UE cannot be used for relaying, relay
UE need to be abandoned the problem of relay function, and the present invention proposes a kind of communication means and device based on relay request.
In a first aspect, the present invention proposes a kind of communication means based on relay request, comprising:
When the resource pool instruction that evolved base station eNB is sent to relaying relay UE is the instruction of communication resource pond,
The relay UE sends relaying relay request to the eNB；
The eNB is requested according to the relay, and Xiang Suoshu relay UE sends the instruction of relay resource pool；
The relay UE receives the relay resource pool instruction, obtains relay resource pool, and as relay node into
Row data forwarding；
Wherein, relay UE expression can be as the terminal of relaying.
Preferably,
The relay UE sends relaying relay request to the eNB, comprising:
The relay UE receives the resource pool instruction, and sends to the eNB and force relay request.
Preferably,
The eNB is requested according to the relay, and Xiang Suoshu relay UE sends the instruction of relay resource pool, comprising:
The eNB is requested according to the pressure relay, modifies the value of characterization parameter, and will join comprising modified characterization
Several relay resource pool instructions are sent to the relay UE.
Preferably, the relay UE sends relaying relay request to the eNB, comprising:
After preset time, the relay UE sends relay request to the eNB.
Second aspect, the present invention also propose a kind of communication device based on relay request, comprising:
Relay request module, the resource pool instruction for being sent to link terminal relay UE as evolved base station eNB are
When communication resource pond instructs, relaying relay request is sent to evolved base station eNB by relaying relay UE；Wherein, relay
UE is indicated can be as the terminal of relaying；
Resource pool sending module, for being requested by the eNB according to the relay, Xiang Suoshu relay UE is sent
The instruction of relay resource pool；
Trunk module instructs for receiving the relay resource pool by the relay UE, obtains relay resource pool,
And data forwarding is carried out as relay node.
Preferably, the relay request module is used to receive resource pool instruction by the relay UE, and to institute
It states eNB and sends pressure relay request.
Preferably,
The resource pool sending module is used to be requested by the eNB according to the pressure relay, modifies characterization parameter
Value, and the relay resource pool instruction comprising modified characterization parameter is sent to the relay UE.
Preferably, the relay request module is used for after preset time, is sent out by the relay UE to the eNB
Relay is sent to request.
As shown from the above technical solution, relay request is forced or after preset time to eNB transmission by sending to eNB
Relay request enables the node currently in network coverage to carry out data forwarding as relay node, without expending
Additional Internet resources look for other relay nodes for meeting condition, improve network performance.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Other attached drawings are obtained according to these figures.
Fig. 1 is a kind of flow diagram for communication means based on relay request that one embodiment of the invention provides；
Fig. 2 is a kind of structural schematic diagram for communication device based on relay request that one embodiment of the invention provides.
Specific embodiment
With reference to the accompanying drawing, the specific embodiment of invention is further described.Following embodiment is only used for more clear
Illustrate to Chu technical solution of the present invention, and not intended to limit the protection scope of the present invention.
Fig. 1 shows a kind of flow diagram of communication means based on relay request provided in this embodiment, comprising:
S1, when evolved base station eNB be sent to relaying relay UE resource pool instruction be the communication resource pond instruction when, institute
It states relay UE and sends relaying relay request to the eNB, wherein relay UE is indicated can be as the terminal of relaying；
S2, the eNB are requested according to the relay, and Xiang Suoshu relay UE sends the instruction of relay resource pool；
S3, the relay UE receive the relay resource pool instruction, obtain relay resource pool, and as relay node
Carry out data forwarding.
The present embodiment passes through the node conduct continued enable currently in network coverage to eNB transmission request
Relay node carries out data forwarding, looks for other relay nodes for meeting condition without expending additional Internet resources, is promoted
Network performance.
As the preferred embodiment of the present embodiment, S1 includes:
The relay UE receives the resource pool instruction, and sends to the eNB and force relay request.
Relay request is forced by sending to eNB, the node currently in network coverage is enabled to be used as relaying
Node carries out data forwarding, looks for other relay nodes for meeting condition without expending additional Internet resources.
Further, S2 includes:
The eNB is requested according to the pressure relay, modifies the value of characterization parameter, and will join comprising modified characterization
Several relay resource pool instructions are sent to the relay UE.
By the value of characterization parameter (value tag) in modification resource pool instruction, and the instruction is sent to relay UE,
In the case where meeting coverage requirement, finding again without expending new Internet resources can be as the terminal of relaying.
As another preferred embodiment of this programme, S1 includes:
After preset time, the relay UE sends relay request to the eNB.
When relay UE do not obtain eNB relay authorization when, illustrate eNB think in processing resource allocation currently to
It is not optimal selection that relay UE, which distributes relay resource, therefore after the network operation after a period of time, is sent again to eNB
Relay request, had not only deferred to the resource optimal allocation principle of eNB, but also enable the node currently in network coverage
Data forwarding is carried out as relay node, looks for other relay nodes for meeting condition without expending additional Internet resources,
Improve network performance.
Fig. 2 shows a kind of structural schematic diagrams of the communication device based on relay request provided in this embodiment, comprising:
Relay request module 11, the resource pool instruction for being sent to relaying relay UE as evolved base station eNB is logical
When believing resource pool instruction, relaying relay request is sent to evolved base station eNB by link terminal relay UE；Wherein,
Relay UE is indicated can be as the terminal of relaying；
Resource pool sending module 12, for being requested by the eNB according to the relay, Xiang Suoshu relay UE is sent
The instruction of relay resource pool；
Trunk module 13 obtains relay resource for receiving the relay resource pool instruction by the relay UE
Pond, and data forwarding is carried out as relay node.
The present embodiment continues to send to eNB by relay request module requests, so that currently in network coverage
Node can carry out data forwarding as relay node, look for other meet in condition without expending additional Internet resources
After node, network performance is improved.
As the preferred embodiment of the present embodiment, the relay request module 11 is used for by described in relay UE reception
Resource pool instruction, and sent to the eNB and force relay request.
Relay request is forced by sending to eNB, the node currently in network coverage is enabled to be used as relaying
Node carries out data forwarding, looks for other relay nodes for meeting condition without expending additional Internet resources.
Further, the resource pool sending module 12 is used to be requested by the eNB according to the pressure relay, repairs
Change the value of characterization parameter, and the relay resource pool instruction comprising modified characterization parameter is sent to the relay UE.
By the value of characterization parameter (value tag) in modification resource pool instruction, and the instruction is sent to relay UE,
In the case where meeting coverage requirement, finding again without expending new Internet resources can be as the terminal of relaying.
As another preferred embodiment of the present embodiment, the relay request module 11 is used for after preset time, is led to
It crosses the relay UE and sends relay request to the eNB.
When relay UE do not obtain eNB relay authorization when, illustrate eNB think in processing resource allocation currently to
It is not optimal selection that relay UE, which distributes relay resource, therefore after the network operation after a period of time, is sent again to eNB
Relay request, had not only deferred to the resource optimal allocation principle of eNB, but also enable the node currently in network coverage
Data forwarding is carried out as relay node, looks for other relay nodes for meeting condition without expending additional Internet resources,
Improve network performance.
In specification of the invention, numerous specific details are set forth.It is to be appreciated, however, that the embodiment of the present invention can be with
It practices without these specific details.In some instances, well known method, structure and skill is not been shown in detail
Art, so as not to obscure the understanding of this specification.
Claims (4)
1. a kind of communication means based on relay request characterized by comprising when evolved base station eNB is sent to relay
When the resource pool instruction of UE is the instruction of communication resource pond,
The relay UE sends relaying relay request to the eNB；
The eNB is requested according to the relay, and Xiang Suoshu relay UE sends the instruction of relay resource pool；
The relay UE receives the relay resource pool instruction, obtains relay resource pool, and counted as relay node
According to forwarding；
Wherein, relay UE expression can be as the terminal of relaying；Wherein,
The relay UE sends relaying relay request to the eNB, comprising:
The relay UE receives the resource pool instruction, and sends to the eNB and force relay request, or by default
After time, the relay UE sends relay request to the eNB.
2. the method according to claim 1, wherein the eNB is requested according to the relay, Xiang Suoshu relay
UE sends the instruction of relay resource pool, comprising:
The eNB is requested according to the pressure relay, modifies the value of characterization parameter, and will include modified characterization parameter
The instruction of relay resource pool is sent to the relay UE.
3. a kind of communication device based on relay request characterized by comprising
Relay request module, the resource pool instruction for being sent to link terminal relay UE as evolved base station eNB are communication
When resource pool instructs, relaying relay request is sent to evolved base station eNB by relay UE；Wherein, relay UE indicates energy
Enough terminals as relaying；
Resource pool sending module, for being requested by the eNB according to the relay, Xiang Suoshu relay UE sends relay money
Source Chi Zhiling；
Trunk module obtains relay resource pool, and make for receiving the relay resource pool instruction by the relay UE
Data forwarding is carried out for relay node；Wherein,
The relay request module is used to receive the resource pool instruction by the relay UE, and strong to eNB transmission
Relay request processed, or after preset time, the relay UE sends relay request to the eNB.
4. device according to claim 3, which is characterized in that the resource pool sending module is used to pass through the eNB root
It is requested according to the pressure relay, modifies the value of characterization parameter, and the relay resource pool comprising modified characterization parameter is referred to
Order is sent to the relay UE.
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| CN201511021356.4A CN106937384B (en) | 2015-12-30 | 2015-12-30 | A kind of communication means and device based on relay request |
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| CN106937384B true CN106937384B (en) | 2019-09-06 |
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| CN110139337A (en) * | 2018-02-09 | 2019-08-16 | 电信科学技术研究院有限公司 | A kind of selection method and equipment of relay node |
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| CN101262696B (en) * | 2007-03-09 | 2012-07-04 | 华为技术有限公司 | A method for realizing inter-system communication and system and terminal |
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