CN106604341A - Relay UE reselection triggering method, device and terminal - Google Patents
Relay UE reselection triggering method, device and terminal Download PDFInfo
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- CN106604341A CN106604341A CN201510674436.3A CN201510674436A CN106604341A CN 106604341 A CN106604341 A CN 106604341A CN 201510674436 A CN201510674436 A CN 201510674436A CN 106604341 A CN106604341 A CN 106604341A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
- H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
- H04W40/22—Communication route or path selection, e.g. power-based or shortest path routing using selective relaying for reaching a BTS [Base Transceiver Station] or an access point
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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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/70—Services for machine-to-machine communication [M2M] or machine type communication [MTC]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The present invention relates to a relay UE reselection triggering method, a device and a terminal. The method comprises the following steps: firstly, a first UE receives a cell reference signal sent from a base station eNB, and the reception power of the cell reference signal is determined according to the cell reference signal; secondly, the first UE determines whether the current first UE has the relay capability or not according to the reception power of the cell reference signal; thirdly, the first UE sends a control message or a discovery message used for illustrating whether the first UE has the relay capability or not to a second UE, so that the second UE determines whether to adopt the first UE as a relay UE or not according to the control message or the discovery message. The invention has the advantages of simple operation and easy implementation. The second UE is timely triggered to reselect one relay terminal to serve the second UE, so that the communication quality of the system is improved.
Description
Technical field
The present invention relates to wireless communication technology field, and in particular to a kind of relaying UE gravity treatments touch
Forwarding method, device and terminal.
Background technology
In existing Long Term Evolution (Long Term Evolution, LTE) system, two use
Data transfer between family terminal (User Equipment, UE) is all by network side
In transfer realization, transmitting terminal UE first has to for communication data to be sent to network side, afterwards
Network side sends the data to receiving terminal UE again, even if two are wanted apart from close UE
Communicated, then these communication datas also just will can issue other side through the transmission of network side,
Which results in the reduction of efficient network resource usage and the increase of control signaling.
Device-to-device (Device-to-Device, D2D) transmission is for transmitting terminal UE
The application scenarios closer to the distance with receiving terminal UE, now directly can transmit between two UE
Communication data, and no longer need network side to carry out transfer.Introduce D2D technologies and can reduce net
The load of network side, reduces the propagation delay time of data.Further, since two UE are closer to the distance,
The transmission power of UE can be effectively reduced, the interference to other users is reduced and is realized section simultaneously
The purpose of energy.As shown in figure 1, when the chain between distal end (remote) UE and base station (eNB)
During the degradation of road, remote UE cannot meet remote UE to the channel quality between base station
The needs of business, remote UE can select suitably to relay (relay) UE, pass through
UE-to-Network relaying techniques ensure the seriality of business, to ensure in communication service not
It is disconnected.
But with the movement of remote UE and relay UE, the Uu between relay UE and base station
Link Channel Quality can change, and the D2D between remote UE and relay UE leads directly to
Link channel conditions also can change with customer location and transmission characteristic, it is likely that lead
Cause the relay UE perform relay function.If now remote UE are ignorant, still
Communicated using original relay UE, may result in service disconnection.
For the problems referred to above, existing solution is to trigger relay UE by remote UE
Gravity treatment, as shown in Fig. 2 i.e. remote UE by monitoring and relay UE between PC5 chains
Road quality is determining the need for gravity treatment relay UE.When remote UE are detected and are currently selected
When the PC5 link-qualities of the relay UE for selecting are less than a threshold value, then relay UE are carried out
Gravity treatment.However, as remote UE communications also relate to the Uu between relay UE to eNB
Mouthful link-quality (i.e. Relay UE eat dishes without rice or wine channel quality), if Uu mouths link-quality is deteriorated
And when causing relay UE provide relay services, remote UE are to know in time
, this will certainly make the communication of remote UE be affected.
Therefore, how to trigger reselect a link terminal for remote UE service, carry
The communication quality of high system becomes one of technical problem urgently to be resolved hurrily.
The content of the invention
The technical problem to be solved is：How to trigger and reselect a link terminal
Service for remote UE, to improve the communication quality of remote UE.
For this purpose, one aspect of the present invention proposes a kind of triggering method of relaying UE gravity treatments,
Including：
First UE receives the cell reference signals that base station eNB sends, and according to the cell reference
Signal determines the receiving power of the cell reference signals；
First UE determines a current UE according to the receiving power of the cell reference signals
Whether there is the ability of relaying；
First UE sends control message, the control to the 2nd UE of the first UE of connection
Carry in message for illustrating whether a UE has the information of the ability of relaying, with
The 2nd UE is made to determine whether to be continuing with described according to the information in the control message
One UE is used as relaying UE；
Or, the UE sends and finds message, carry in the discovery message for
Illustrate whether a UE has the information of the ability of relaying, so as to receive the discovery
The UE of message is determined whether using a UE as according to the information found in message
After UE.
Preferably, a UE determines according to the receiving power of the cell reference signals and works as
Whether a front UE has the ability of relaying, specially：
First UE is by the receiving power of the cell reference signals and default receiving power door
Limit value is compared, if the receiving power of the cell reference signals is higher than the default reception work(
Rate threshold value a, it is determined that UE has the ability of relaying.
Preferably, the control message includes the target UE group identities for indicating receiving data
Information and data resource position information.
Preferably, a UE sends control message to the 2nd UE of the first UE of connection,
Specially：
First UE is broadcasted to the 2nd UE of the first UE of connection using broadcast mode
The control message.
Preferably, the discovery message is a UE periodically into preset range
The message for setting up short-range communication connection of all UE broadcast.
On the other hand, the invention provides a kind of triggering device of relaying UE gravity treatments, including：
Reference signal receiving unit, for receiving the cell reference signals of base station eNB transmission, and
The receiving power of the cell reference signals is determined according to the cell reference signals；
Relay capabilities judging unit, for being determined according to the receiving power of the cell reference signals
Whether a current UE has the ability of relaying；
Message sending unit, for sending control message to the 2nd UE of the first UE of connection,
Carry in the control message for illustrating whether a UE has the ability of relaying
Information, so that the 2nd UE determines whether to continue to make according to the information in the control message
With a UE as relaying UE；
Or, the message sending unit is used to send discovery message, takes in the discovery message
With for illustrating whether a UE has the information of the ability of relaying, so as to receive
The UE for finding message is determined whether using described the according to the information found in message
One UE is used as relaying UE.
Preferably, the relay capabilities judging unit is specifically for by the cell reference signals
Receiving power is compared with default receiving power threshold value, if the cell reference signals connect
It is higher than the default receiving power threshold value to receive power, it is determined that a UE has relaying
Ability.
Preferably, the message sending unit adopts broadcast mode to connection the first UE's
2nd UE broadcasts the control message；
The control message include indicate receiving data target UE group identities information and
The information of data resource position.
Preferably, the discovery message is a UE periodically into preset range
The message for setting up short-range communication connection of all UE broadcast.
The third aspect, present invention also offers a kind of triggering terminal of relaying UE gravity treatments, including
The triggering device of any of the above-described kind of relaying UE gravity treatments.
The present invention is sent to the 2nd UE by a UE and is carried for illustrating a UE
Whether there is the control message of the ability of relaying or message is found, make the 2nd UE can be with root
Determine whether using a UE as relaying UE according to the control message or discovery message,
Uu mouths link-quality that can be between relay UE to eNB is deteriorated and causes relay UE carry
When servicing for relay, the 2nd UE of triggering reselects a link terminal for the 2nd UE clothes in time
Business, and then system communication quality can be improved.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below
Accompanying drawing to be used needed for embodiment or description of the prior art will be briefly described, show and
Easy insight, drawings in the following description are some embodiments of the present invention, common for this area
For technical staff, on the premise of not paying creative work, can be with according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 shows knot of the terminal UE to the D2D relay communications systems of network in prior art
Structure schematic diagram；
Fig. 2 is shown for illustrating the selection of relay UE and reuse adoption process in prior art
The structural representation of D2D relay communications systems；
Fig. 3 shows the flow process of the triggering method of relaying provided in an embodiment of the present invention UE gravity treatments
Schematic diagram；
Fig. 4 shows the structure of the triggering device of relaying provided in an embodiment of the present invention UE gravity treatments
Schematic diagram.
Specific embodiment
To make purpose, technical scheme and the advantage of the embodiment of the present invention clearer, below will
With reference to the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clearly
Chu, complete description, it is clear that described embodiment is a part of embodiment of the invention,
Rather than the embodiment of whole.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment obtained under the premise of creative work is not made by member, belongs to
The scope of protection of the invention.
Fig. 3 shows the flow process of the triggering method of relaying provided in an embodiment of the present invention UE gravity treatments
Schematic diagram.As shown in figure 3, the triggering method of the relaying UE gravity treatments of the present embodiment proposition, including
Following steps：
S1：First UE receives the cell reference signals that base station eNB sends, and according to described little
Area's reference signal determines the receiving power of the cell reference signals；
S2：First UE determines current according to the receiving power of the cell reference signals
Whether one UE has the ability of relaying；
S3：First UE sends control message to the 2nd UE of the first UE of connection, described
Carry in control message for illustrating whether a UE has the letter of the ability of relaying
Breath, so that the 2nd UE determines whether to be continuing with according to the information in the control message
First UE is used as relaying UE；
Or, the UE sends and finds message, carry in the discovery message for
Illustrate whether a UE has the information of the ability of relaying, so as to receive the discovery
The UE of message is determined whether using a UE as according to the information found in message
After UE.
The triggering method step of the relaying UE gravity treatments that the present embodiment is provided simply, be easily achieved,
Uu mouths link-quality that can be between relay UE to eNB is deteriorated and causes relay UE carry
When servicing for relay, triggering remote UE reselect a link terminal for remote in time
UE is serviced, and then can improve system communication quality.
As the preferred of the present embodiment, step S2：First UE is according to the cell
The receiving power of reference signal determines the ability whether a current UE has relaying, specially：
First UE is by the receiving power of the cell reference signals and default receiving power door
Limit value is compared, if the receiving power of the cell reference signals is higher than the default reception work(
Rate threshold value a, it is determined that UE has the ability of relaying.
Further, the control message includes the target UE group body for indicating receiving data
The information of part and the information of data resource position.
Preferably, in step S3, a UE is sent to the 2nd UE of the first UE of connection
Control message, can be specially：
First UE is broadcasted to the 2nd UE of the first UE of connection using broadcast mode
The control message.
The discovery message is that a UE is periodically sent out to all UE in preset range
The message for setting up short-range communication connection sent；
Wherein, short-range communication connection is, for example, that D2D is communicated to connect, and the preset range is
First UE carries out the scope covered by D2D communications.Preferably, the institute in the present embodiment
It can disappear in control to state for illustrating whether a UE has the information of the ability of relaying
The thresholding increased in breath or discovery message, value is 1bit.Concrete scheme is as follows：
Scheme 1, the communication mode based on D2D：
Table 1 shows 0 format transmissions of SCI format in the existing communication mode based on D2D
SC contents, as shown in table 1, such as in existing D2D communication modes, as D2D communications are adopted
It is broadcast mode, if a remote UE needs relay UE, may only connects
One relay UE；But a relay UE can connect multiple remote UE.Relay UE will
The data of transmission be sent to by the way of broadcast establish communication annexation each is remote
All remote UE in the remoteUE groups of end.First have to send out during Relay UE transmission datas
Control message SC is sent, all of remote UE are known by " ID " after receiving SC contents and connect in group
The target remote UE identification informations of receipts data, i.e., group No. ID, by " Resource
Block assignment and hopping resource allocation " know that data resource position is believed
Breath, so as to receive corresponding data.
The 0 format transmission SC contents of SCI format that table 2 is provided for the present embodiment.As shown in table 2,
The present embodiment proposes to increase a thresholding in control message SC that relay UE send, and value is
1bit, is used to indicate whether to perform relay functions, for example, the Relay function of increase
Thresholding can value 1 represent be able to carry out relay functions；Value 0 represents no longer execution relay functions.
The relay UE after confirming to perform relay functions, by Relay in the SC information for sending
Function thresholdings are set to 1.If the Uu Link Channel Qualities of the relay UE are deteriorated and cannot hold
After row relay functions, the UE by the value be set to 0 and with broadcast in the form of notify all being connected to
After the remote UE of the UE, remote UE receive the SC control messages, it is found that the thresholding sets
0 is set to, then carries out the reuse adoption process of relay UE.
1 existing SCI format of table, 0 format transmission SC contents
The 0 format transmission SC contents of SCI format that 2 the present embodiment of table is provided
As a relay UE can be that the remote UE of different groups are relayed, so by being somebody's turn to do
Method can inform that all remote UE for being connected to the relay UE carry out relay UE's in time
Gravity treatment.
Scheme 2, the discovery mode based on D2D：
In existing D2D technologies, UE can periodically be issued and be found message, existing SCI
0 format transmissions of format find that message content is as shown in table 3.Although Remote UE are connected to one
Individual relay UE also can monitoring discovery message always, including having been coupled to sending out for relay UE issues
Existing message.Can lead to not perform relay work(if the Uu change in link quality of relay UE
Energy.Table 4 shows that 0 format transmissions of SCI format that the present embodiment is provided find message content.
As shown in table 4, the present embodiment by the discovery message that relay UE send increase a domain,
Value is 1bit, is used to indicate whether to perform relay functions, if the domain indicates current relay
UE can not perform relay functions again, and remote UE are by one relay UE of gravity treatment.
3 existing 0 format transmissions of SCI format of table find message content
| Message type | 8bits |
| ProSe relay UE id | 24bits |
| PLMN id | 23bits |
| Connectivity info(APN info) | 800bits |
| Status/maintenance flags | 8bits |
| Group info | 24x m bits |
| MIC | 32bits |
| UTC-based counter LSB | 8bits |
0 format transmissions of SCI format that 4 the present embodiment of table is provided find message content
| Relay function | 1bit |
| Message type | 8bits |
| ProSe relay UE id | 24bits |
| PLMN id | 23bits |
| Connectivity info(APN info) | 800bits |
| Status/maintenance flags | 8bits |
| Group info | 24x m bits |
| MIC | 32bits |
| UTC-based counter LSB | 8bits |
For example, the Relay function thresholdings of increase can be with value as Boolean type, and 1 is relay UE
Gravity treatment indicates that 0 sends to find message, and remote UE listen to the discovery of relay UE issues
Think that the UE is no longer appropriate for being relay UE if the instruction is set to 1 in message, need
Carry out the gravity treatment of relay UE.
The method and step of the present embodiment is simple, be easily achieved, and is referred to by sending to remote UE
Show that can the relay UE perform the first information of relay function, realize triggering remote in time
UE reselects a link terminal and services for remote UE, and then improves system communication matter
Amount.
Fig. 4 shows the structure of the triggering device of relaying provided in an embodiment of the present invention UE gravity treatments
Schematic diagram.As shown in figure 4, the triggering device 10 of the relaying UE gravity treatments of the present embodiment offer, bag
Include reference signal receiving unit 11, relay capabilities judging unit 12 and message sending unit 13：
It is described including reference signal receiving unit 11, for receiving the cell of base station eNB transmission
Reference signal, and the reception work(of the cell reference signals is determined according to the cell reference signals
Rate；
Described relay capabilities judging unit 12, for the reception according to the cell reference signals
Power determines the ability whether a current UE has relaying；
Described information transmitting unit 13, for sending control to the 2nd UE of the first UE of connection
Message processed, carries in the control message for illustrating whether a UE has relaying
Ability information so that the 2nd UE according in the control message information determine be
It is no to be continuing with a UE as relaying UE；
Or, described information transmitting unit 13 is used to send discovery message, the discovery message
In carry for illustrating that whether a UE has the information of the ability of relaying, so as to connect
Receive the UE for finding message to determine whether to use institute according to the information found in message
A UE is stated as relaying UE.
The triggering device of the relaying UE gravity treatments described in the present embodiment can be used for performing above-mentioned relaying
The triggering method embodiment of UE gravity treatments, its principle are similar with technique effect, and here is omitted.
Used as the preferred of the present embodiment, the relay capabilities judging unit 12 is specifically for will be described
The receiving power of cell reference signals is compared with default receiving power threshold value, if described little
The receiving power of area's reference signal is higher than the default receiving power threshold value, it is determined that this first
UE has the ability of relaying.
On this basis, the message sending unit 13 adopts broadcast mode to connection described first
2nd UE of UE broadcasts the control message.
The discovery message can be a UE periodically to owning in preset range
UE send in a broadcast manner for setting up short-range communication, such as D2D communications, connection
Message.
The triggering device of the relaying UE gravity treatments described in the present embodiment can be used for performing above-mentioned relaying
The triggering method embodiment of UE gravity treatments, its principle are similar with technique effect, and here is omitted.
In addition, present invention also offers a kind of triggering terminal of relaying UE gravity treatments including above-mentioned
The triggering device of any one relaying UE gravity treatment.
The triggering terminal of the relaying UE gravity treatments described in the present embodiment can be used for performing above-mentioned relaying
The triggering method embodiment of UE gravity treatments, its principle are similar with technique effect, and here is omitted.
The present invention is carried for illustrating whether a UE has by sending to the 2nd UE
The control message of the ability of relaying finds message, allows the 2nd UE according to the control
Message processed finds that message is determined whether using a UE as relaying UE, Ke Yi
Uu mouths link-quality between relay UE to eNB is deteriorated and causes relay UE provide relay
During service, timely triggering remote UE reselect a link terminal and service for remote UE,
And then system communication quality can be improved.
Above example is merely to illustrate technical scheme, rather than a limitation；Although
With reference to the foregoing embodiments the present invention is described in detail, one of ordinary skill in the art
It should be understood that：Which still can be modified to the technical scheme described in foregoing embodiments,
Or equivalent is carried out to which part technical characteristic；And these modifications or replacement, do not make
The essence of appropriate technical solution departs from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. the triggering method of a kind of relaying UE gravity treatments, it is characterised in that include：
First UE receives the cell reference signals that base station eNB sends, and according to the cell reference
Signal determines the receiving power of the cell reference signals；
First UE determines a current UE according to the receiving power of the cell reference signals
Whether there is the ability of relaying；
First UE sends control message, the control to the 2nd UE of the first UE of connection
Carry in message for illustrating whether a UE has the information of the ability of relaying, with
The 2nd UE is made to determine whether to be continuing with described according to the information in the control message
One UE is used as relaying UE；
Or, the UE sends and finds message, carry in the discovery message for
Illustrate whether a UE has the information of the ability of relaying, so as to receive the discovery
The UE of message is determined whether using a UE as according to the information found in message
After UE.
2. the triggering method of UE gravity treatments is relayed as claimed in claim 1, it is characterised in that
Whether first UE determines a current UE according to the receiving power of the cell reference signals
Ability with relaying, specially：
First UE is by the receiving power of the cell reference signals and default receiving power door
Limit value is compared, if the receiving power of the cell reference signals is higher than the default reception work(
Rate threshold value a, it is determined that UE has the ability of relaying.
3. the triggering method of UE gravity treatments is relayed as claimed in claim 1, it is characterised in that
The control message includes the information and data of the target UE group identities for indicating receiving data
The information of resource location.
4. the triggering method of UE gravity treatments is relayed as claimed in claim 1, it is characterised in that
First UE sends control message to the 2nd UE of the first UE of connection, specially：
First UE is broadcasted to the 2nd UE of the first UE of connection using broadcast mode
The control message.
5. the triggering method of UE gravity treatments is relayed as claimed in claim 1, it is characterised in that
It is described to find that message is that a UE is periodically broadcasted to all UE in preset range
For setting up the message of short-range communication connection.
6. the triggering device of a kind of relaying UE gravity treatments, it is characterised in that include：
Reference signal receiving unit, for receiving the cell reference signals of base station eNB transmission, and
The receiving power of the cell reference signals is determined according to the cell reference signals；
Relay capabilities judging unit, for being determined according to the receiving power of the cell reference signals
Whether a current UE has the ability of relaying；
Message sending unit, for sending control message to the 2nd UE of the first UE of connection,
Carry in the control message for illustrating whether a UE has the ability of relaying
Information, so that the 2nd UE determines whether to continue to make according to the information in the control message
With a UE as relaying UE；
Or, the message sending unit is used to send discovery message, takes in the discovery message
With for illustrating whether a UE has the information of the ability of relaying, so as to receive
The UE for finding message is determined whether using described the according to the information found in message
One UE is used as relaying UE.
7. the triggering device of UE gravity treatments is relayed as claimed in claim 6, it is characterised in that
The relay capabilities judging unit specifically for by the receiving power of the cell reference signals with
Default receiving power threshold value is compared, if the receiving power of the cell reference signals is higher than
The default receiving power threshold value a, it is determined that UE has the ability of relaying.
8. the triggering device of UE gravity treatments is relayed as claimed in claim 6, it is characterised in that
The message sending unit is wide to the 2nd UE for connecting a UE using broadcast mode
Broadcast the control message；
The control message include indicate receiving data target UE group identities information and
The information of data resource position.
9. the triggering device of UE gravity treatments is relayed as claimed in claim 6, it is characterised in that
It is described to find that message is that a UE is periodically broadcasted to all UE in preset range
For setting up the message of short-range communication connection.
10. the triggering terminal of a kind of relaying UE gravity treatments, it is characterised in that including claim
The triggering device of the relaying UE gravity treatments any one of 6-9.
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| CN201510674436.3A CN106604341A (en) | 2015-10-16 | 2015-10-16 | Relay UE reselection triggering method, device and terminal |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111447545A (en) * | 2018-12-29 | 2020-07-24 | 华为技术有限公司 | Communication method and device |
| WO2020220325A1 (en) * | 2019-04-30 | 2020-11-05 | 富士通株式会社 | Method and apparatus for identifying user equipment context in sidelink transmission |
| WO2021102782A1 (en) | 2019-11-28 | 2021-06-03 | Apple Inc. | Access control at a relay user equipment |
| WO2021134614A1 (en) * | 2019-12-31 | 2021-07-08 | 华为技术有限公司 | Communication method, device and system |
| CN113923724A (en) * | 2020-07-10 | 2022-01-11 | 大唐移动通信设备有限公司 | Flow control method and device |
| CN114071637A (en) * | 2020-08-07 | 2022-02-18 | 展讯半导体(南京)有限公司 | Relay response method and device, storage medium and user equipment |
| WO2022094809A1 (en) * | 2020-11-04 | 2022-05-12 | 北京小米移动软件有限公司 | Relay ue reselection method, apparatus, communication device, and storage medium |
| CN115150907A (en) * | 2021-03-31 | 2022-10-04 | 维沃移动通信有限公司 | Relay processing method and device, terminal and readable storage medium |
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| WO2022094809A1 (en) * | 2020-11-04 | 2022-05-12 | 北京小米移动软件有限公司 | Relay ue reselection method, apparatus, communication device, and storage medium |
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