CN110430602A - Relay switching method and device - Google Patents
Relay switching method and device Download PDFInfo
- Publication number
- CN110430602A CN110430602A CN201810390109.9A CN201810390109A CN110430602A CN 110430602 A CN110430602 A CN 110430602A CN 201810390109 A CN201810390109 A CN 201810390109A CN 110430602 A CN110430602 A CN 110430602A
- Authority
- CN
- China
- Prior art keywords
- cell
- dedicated signaling
- mobile
- source device
- target
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/20—Services signaling; Auxiliary data signalling, i.e. transmitting data via a non-traffic channel
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/20—Selecting an access point
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The present invention provides a kind of relay switching method and device, the first dedicated signaling is sent to mobile relay RN by source device, mobile RN carries out common frequency measurement and/or different-frequency measure to candidate cell according to the first dedicated signaling, wherein, the second community that the first dedicated signaling that candidate cell includes first community indicated by the first dedicated signaling and/or mobile RN is scanned does not indicate, the measurement result for meeting the third cell of measurement report condition is sent to source device by mobile RN, source device determines Target cell according to measurement result in third cell, and third dedicated signaling is sent to the corresponding target device of Target cell, after source device receives the 4th dedicated signaling of target device transmission, the second dedicated signaling is sent to mobile RN according to the 4th dedicated signaling, realize that mobile RN switches to Target cell.By the above method, realizes that mobile RN is rapidly switched to the optimal Target cell of quality, realize the reasonable distribution of resource.
Description
Technical field
The present embodiments relate to mobile communication technology field more particularly to a kind of relay switching methods and device.
Background technique
To extend over, 3GPP agreement is in E-UTRAN (Evolved Universal Terrestrial Radio
Access Network: the universal land radio access web of evolution) relaying technique is used in system, define RN (Relay
Node: relay node) and DeNB (Doner eNB: alms giver eNB), wherein DeNB, which refers to, supports that the lower eNB for hanging RN, Fig. 1 are in existing
After the application scenarios schematic diagram of technology, as shown in Figure 1, MME (Mobility Management Entity: mobile management entity)
It is in EPC (Evolved Packet Core: the packet-based core networks of evolution) with S-GW (Serving Gateway: gateway)
Network element.RN accesses the cell of DeNB, carries out information exchange by Un interface between RN and DeNB.Un interface is one and wirelessly connects
Mouthful, there are two logic interfacings for interface tool: S1 and X2.DeNB is acted on behalf of as the S1/X2 of RN, passes through the logic interfacing on Un interface
S1/X2 forwards S1/X2 information between RN and EPC related network elements.One side DeNB will be from RN's by logic interfacing S1/X2
S1/X2 information is transmitted to other eNB of EPC/, and by logic interfacing S1/X2, by EPC/, other eNB are sent to RN to another aspect DeNB
S1/X2 information be transmitted to RN.RN cell is accessed by Uu interface for the UE in RN cell.RN passes through Uu interface UE's
Uplink information, and the uplink information is transferred to DeNB by the logic interfacing S1 on Un interface, it is further transferred to by DeNB
EPC.The downlink information that EPC sends UE transmits information to RN by the logic interfacing S1 on Un interface to DeNB, DeNB, and RN is logical
It crosses Uu interface and transmits information to UE.
In above-mentioned junction network, the link between UE and RN in RN cell is referred to as access link (Access
Link), the link between RN and own base station DeNB is referred to as backhaul link (Backhaul Link), if backhaul link and connecing
Incoming link works on identical frequency spectrum, then such relaying is known as with interior relaying (In-band RN).In order to avoid in band
It relays and generates interference between itself receiving end and transmitting terminal, cannot be carried out simultaneously on backhaul link and access link with interior relaying
The transmission of downlink or uplink, it is necessary to be staggered in time.Therefore, 3GPP agreement defines RN subframe on backhaul link and matches
It sets: in the UL/DL subframe specified in RN sub-frame configuration, RN sent in backhaul link/receive information.In RN cell, RN are returned
The DL subframe that journey chain road uses is configured to MBSFN sub-frame, and the UE in RN cell is made not execute measurement in these subframes.RN is in Uu
The sub-frame of uplink or downlink subframe needs used when uplink information or transmission downlink information of the interface from UE are to UE is avoided
Sub-frame of uplink or downlink subframe used in when being communicated between RN and DeNB on backhaul link.
Currently, 3GPP agreement only supports level-one (jump) with interior relaying, does not support multistage (jump) with interior relaying, also do not support more
Grade (jump) is with outer relaying or multistage (jump) mixing relaying.Meanwhile 3GPP agreement does not support the switching of RN between cells, i.e., does not prop up
Hold the mobility demand of RN.
Summary of the invention
The present invention provides a kind of relay switching method and device, realizes that mobile relay RN is rapidly switched to the optimal mesh of quality
Mark cell.
The first aspect of the present invention provides a kind of relay switching method, comprising:
Mobile relay RN receives the first dedicated signaling that source device is sent, and first dedicated signaling is used to indicate the shifting
Dynamic RN carries out common frequency measurement and/or different-frequency measure, and the source device is source DeNB or source DeRN；
The mobile RN carries out common frequency measurement and/or different-frequency measure according to first dedicated signaling, to candidate cell；Institute
State candidate cell include first community indicated by first dedicated signaling and the mobile RN is scanned described first specially
The second community not indicated with signaling；
The mobile RN sends the measurement result for meeting the third cell of measurement report condition to the source device, so that institute
It states source device and Target cell is determined in the third cell according to the measurement result；The measurement result includes third cell
Reference Signal Received Power and Reference Signal Received Quality；
The mobile RN receives the second dedicated signaling that the source device is sent, and is switched according to second dedicated signaling
To the Target cell.
Optionally, the measurement result further includes the jamming power of the corresponding downlink subframe of the third cell, described
At least one of the RN sub-frame configuration that the RN sub-frame configuration sequence list of three cells or the peripheral cell of the mobile RN use.
Optionally, first dedicated signaling is specially RN reallocation message or RRC connection reconfiguration message.
Optionally, second dedicated signaling include the configuration information of non-competing random access, RN subframe configuration information with
And the other parameters for Un interface communication.
Second aspect of the present invention provides a kind of relay switching method, comprising:
Source device sends the first dedicated signaling to mobile relay RN, and first dedicated signaling is used to indicate the mobile RN
Common frequency measurement and/or different-frequency measure are carried out to candidate cell, the source device is source DeNB or source DeRN；The candidate cell packet
Include the first community indicated in first dedicated signaling and/or first dedicated signaling that RN is scanned in do not indicate
Two cells；
The source device receives the measurement result of the third cell for the satisfaction measurement report condition that the mobile RN is sent；Institute
State the Reference Signal Received Power and Reference Signal Received Quality that measurement result includes third cell；
The source device determines Target cell according to the measurement result in the third cell, and small to the target
The corresponding target device in area sends third dedicated signaling；The target device is target DeNB or target DeRN；The third is special
It include the request of RN sub-frame configuration with signaling；
The source device receives the 4th dedicated signaling that the target device is sent, and according to the 4th dedicated signaling to
The mobile RN sends the second dedicated signaling.
Optionally, the source device determines Target cell according to the measurement result in the third cell, comprising:
The source device will have the function of lower extension RN in the third cell and the quality of reception expire according to the measurement result
The cell of sufficient preset condition is as Target cell.
Optionally, the measurement result further includes the jamming power of the corresponding downlink subframe of the third cell, described
At least one of the RN sub-frame configuration that the RN sub-frame configuration sequence list of three cells or the peripheral cell of the mobile RN use；
Corresponding, the third dedicated signaling includes the jamming power, described of the corresponding downlink subframe of the Target cell
At least the one of the RN sub-frame configuration that the RN sub-frame configuration sequence list of Target cell or the peripheral cell of the Target cell use
.
Optionally, the third dedicated signaling further includes establishing radio bearer between the source device and the mobile RN
GBR information and NON-GBR information.
Optionally, second dedicated signaling include the configuration information of non-competing random access, RN subframe configuration information with
And the other parameters for Un interface communication.
Third aspect present invention provides a kind of trunking, comprising:
Receiving module, for receiving the first dedicated signaling of source device transmission, first dedicated signaling is used to indicate shifting
Dynamic RN carries out common frequency measurement and/or different-frequency measure, and the source device is source DeNB or source DeRN；
Measurement module, for carrying out common frequency measurement to candidate cell and/or alien frequencies being surveyed according to first dedicated signaling
Amount；The candidate cell includes first community indicated by first dedicated signaling and the mobile RN is scanned described
The second community that one dedicated signaling does not indicate；
Sending module, for sending the measurement result for meeting the third cell of measurement report condition to the source device, with
The source device is set to determine Target cell in the third cell according to the measurement result；The measurement result includes third
The Reference Signal Received Power and Reference Signal Received Quality of cell；
The receiving module, the second dedicated signaling sent for receiving the source device；
Switching module, for switching to the Target cell according to second dedicated signaling.
Fourth aspect present invention provides a kind of trunking, comprising:
Memory；
Processor；And
Computer program；
Wherein, the computer program stores in the memory, and is configured as being executed by the processor with reality
The now method as described in any one of first aspect.
Fifth aspect present invention provides a source device, comprising:
Sending module, for sending the first dedicated signaling to mobile relay RN, first dedicated signaling is used to indicate institute
It states mobile RN and common frequency measurement and/or different-frequency measure is carried out to candidate cell；The candidate cell includes first dedicated signaling
The second community not indicated in first dedicated signaling that the first community and/or RN of middle instruction scan；
Receiving module, the measurement knot of the third cell for receiving the satisfaction measurement report condition that the mobile RN is sent
Fruit；The measurement result includes the Reference Signal Received Power and Reference Signal Received Quality of third cell；
Determining module, for determining Target cell in the third cell according to the measurement result；The transmission mould
Block, for sending third dedicated signaling to the corresponding target device of the Target cell；The target device be target DeNB or
Target DeRN；The third dedicated signaling includes the request of RN sub-frame configuration；
The receiving module, the 4th dedicated signaling sent for receiving the target device；
The sending module, for sending the second dedicated signaling to the mobile RN according to the 4th dedicated signaling.
Sixth aspect present invention provides a source device, comprising:
Memory；
Processor；And
Computer program；
Wherein, the computer program stores in the memory, and is configured as being executed by the processor with reality
The now method as described in any one of second aspect.
Relay switching method and device provided in an embodiment of the present invention send first specially to mobile relay RN by source device
With signaling, mobile RN carries out common frequency measurement and/or different-frequency measure to candidate cell according to the first dedicated signaling, wherein candidate small
The first dedicated signaling that area includes first community indicated by the first dedicated signaling and/or mobile RN is scanned do not indicate second
The measurement result for meeting the third cell of measurement report condition is sent to source device by cell, mobile RN, and source device is according to measurement
As a result Target cell is determined in third cell, and sends third dedicated signaling to the corresponding target device of Target cell, and source is set
After standby the 4th dedicated signaling for receiving target device transmission, the second dedicated letter is sent to mobile RN according to the 4th dedicated signaling
It enables, realizes that mobile RN switches to Target cell.By the above method, it is small to realize that mobile RN is rapidly switched to the optimal target of quality
Area realizes the reasonable distribution of resource.
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 this hair
Bright some embodiments for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the application scenarios schematic diagram of existing relaying technique；
Fig. 2 is the schematic diagram of a scenario of relay networking provided in an embodiment of the present invention；
Fig. 3 is the flow diagram of relay switching method provided in an embodiment of the present invention；
Fig. 4 is the structural schematic diagram one of trunking provided in an embodiment of the present invention；
Fig. 5 is the structural schematic diagram two of trunking provided in an embodiment of the present invention；
Fig. 6 is the structural schematic diagram one of source device provided in an embodiment of the present invention；
Fig. 7 is the structural schematic diagram two of source device provided in an embodiment of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
Description and claims of this specification and term " first ", " second ", " third ", " in above-mentioned attached drawing
Four " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so as to the embodiment of the present invention described herein can in addition to illustrating herein or
Sequence other than those of description is implemented.
Fig. 2 is the schematic diagram of a scenario of relay networking provided in an embodiment of the present invention, as shown in Fig. 2, provided in this embodiment
Relay networking scene is multistage (jump) relay networking scene.
Wherein, first order relaying RN passes through Un interface and DeNB (Doner eNB: alms giver eNB, support the lower eNB for hanging RN)
Connection, subsequent every grade of RN are connect by Un interface with previous stage RN.UE in every grade of RN coverage area should by the access of Uu interface
Grade RN.This grade of RN passes through the uplink information (including uplink business data and ascending control information) of Uu interface UE, and passes through
The uplink information is transmitted to upper level RN or DeNB by Un interface.Meanwhile this grade of RN comes from upper level RN by Un interface
Or the downlink information (including downlink service data and Downlink Control Information) of the UE of DeNB, and believed the downlink by Uu interface
Breath is transmitted to UE.
The function of Un interface between the function and the first order RN and DeNB of Un interface between every grade of RN and upper level RN
It is identical.There are two logic interfacings S1 and X2, S1 and X2 function of the upper level RN in interface proxy the same level RN on Un interface
Energy.
Wherein, in RN at different levels shown in Fig. 2 under hung the RN of RN and be defined as in the present invention: DeNB (Doner RN:
Alms giver RN).
In level-one (jump) or above-mentioned multistage (jump) relay networking scene, when the cell of RN access DeRN or DeNB,
DeRN or DeNB determines the RN sub-frame configuration that backhaul link uses, and by RN reallocation message by determining RN sub-frame configuration and
Other are sent to RN in the parameter that backhaul link sends and receives information for RN.Wherein, other are sent out for RN in backhaul link
It send and sees RN reallocation message includes in 3GPP agreement TS 36.331 related IE to the parameter for receiving information, details are not described herein again.RN
After receiving RN reallocation message, each IE in RN reallocation message is saved, and send RN reconfiguration to DeRN or DeNB and complete
Message.Later, which is being sent or received by Un interface in the corresponding sub-frame of uplink of above-mentioned RN sub-frame configuration or downlink subframe
Information.
In order to support the mobility of RN, the present invention to provide the switching method of RN a kind of, realize mobile RN at one or more levels
It is rapidly switched to the optimal Target cell of quality under relay networking scene, realizes the reasonable distribution of resource.With reference to the accompanying drawing and
Relay switching method provided by the invention is described in detail in specific embodiment.
Fig. 3 is the flow diagram of relay switching method provided in an embodiment of the present invention, as shown in figure 3, the present invention provides
Relay switching method specifically includes the following steps:
S301, source device send the first dedicated signaling to mobile relay RN；
Wherein, the first dedicated signaling is used to indicate mobile RN and carries out common frequency measurement and/or different-frequency measure to candidate cell.In
In the case where not having specified otherwise, the source device mentioned in the present embodiment is source DeNB or source DeRN.
It should be pointed out that when mobile RN accesses the cell of source device, source device is the shifting of access before executing S301
Dynamic RN determines RN sub-frame configuration and other relevant parameters, and passes through RN reallocation message for the RN sub-frame configuration and other correlations
Parameter is sent to mobile RN, and mobile RN sends RN after receiving RN reconfiguration message and completing relevant configuration, to source device
Message is completed in reconfiguration.After source device receives RN reconfiguration completion message, source device passes through the first dedicated signaling again and separately refers to
Show that mobile RN carries out common frequency measurement and/or different-frequency measure.Specifically,
Source device is specially that RN reallocation message or RRC connection are heavy to the first dedicated signaling otherwise dictated that mobile RN is sent
With message.Corresponding, mobile RN, should to source device feedback response message after receiving the first dedicated signaling that source device is sent
Response message is that message is completed in RN reconfiguration or RRC connection reconfiguration completes message, is used to indicate mobile RN and completes relevant configuration.
Optionally, source device can send while sending above-mentioned RN reconfiguration message and be used to indicate mobile RN progress
First dedicated signaling of common frequency measurement and/or different-frequency measure.That is, source device can be same in above-mentioned RN reconfiguration message
When carry the configuration information of common frequency measurement and/or different-frequency measure.
For common frequency measurement and different-frequency measure, source device first can configure common frequency measurement to mobile RN, can also be first to shifting
Dynamic RN configures different-frequency measure, can also be simultaneously to mobile RN configuration common frequency measurement and different-frequency measure.For different application scenarios,
Those skilled in the art pointedly the measuring sequence to common frequency measurement and different-frequency measure can be specifically arranged, to this this reality
Example is applied to be not construed as limiting.
S302, mobile RN carry out common frequency measurement and/or different-frequency measure to candidate cell according to the first dedicated signaling；Wherein,
Candidate cell includes that first community indicated by the first dedicated signaling does not indicate with mobile RN the first dedicated signaling scanned
Second community；
It should be pointed out that mobile RN is according to the common frequency measurement and/or different-frequency measure configuration information in the first dedicated signaling,
Common frequency measurement and/or different-frequency measure are carried out to first community indicated in the first dedicated signaling, do not include the first dedicated letter
The second community not indicated in order.
Specifically, the first community of the first dedicated signaling instruction is the cell that DeNB and DeRN is established.Source device is according to X2
Interface message and S1 interface message can know whether the cell of surrounding is DeNB and the cell of DeRN foundation, in order to support to move
The switching of dynamic RN, the cell that source device can select DeNB and DeRN to establish in peripheral cell is as first community, to move
Dynamic RN can switch to first community.Source device indicates that mobile RN measures first community by the first dedicated signaling.
Since there may be the second community for being moved through the RN come from otherwise and establishing, these are second small around mobile RN
Area may not be known by source device, specifically, the corresponding RN of these cells can be DeRN (having the function of lower extension RN),
It is also possible to without the lower RN for hanging RN function.Therefore, mobile RN can also voluntarily scan the cell of surrounding, when in scanning process
Middle mobile RN has found new cell (i.e. second community), and these new cells are not belonging to the first dedicated signaling that source device issues
The first community of middle instruction, mobile RN equally can according to the common frequency measurement and/or different-frequency measure configuration information in measurement instruction,
Common frequency measurement and/or different-frequency measure are carried out to these new cells (i.e. second community).
Specifically, DeNB and DeRN is connect by system message broadcast from grade (jump) number, the Un in multistage (jump) networking
RN sub-frame configuration mouth unused upstream or downstream service rate grade and used in Un interface.For scan one
A new cell, mobile RN is according to whether receiving the above-mentioned broadcast message of the cell can determine: new cell whether be
The cell that DeNB and DeRN is established.Optionally, the cell that mobile RN selects DeNB and DeRN to establish in the cell scanned is made
For second community.
Wherein, common frequency measurement is measured to the measurement of correlation amount of candidate cell identical with source cell frequency point, alien frequencies
Measurement is measured to the measurement of correlation amount of the candidate cell different from source cell frequency point.Specifically, measurement of correlation amount includes
The Reference Signal Received Power (RSRP, Reference Signal Receiving Power) and reference signal of cell receive matter
It measures (RSRQ, Reference Signal Receiving Quality).
Optionally, mobile RN matches according to the various RN subframes that the type of candidate cell can determine that candidate cell can use
Set corresponding each downlink subframe, jamming power of the measurement candidate cell in each downlink subframe.It can also be according to interference function
Rate determines the disturbed condition of every kind of RN sub-frame configuration, and the subscript of the journal RN sub-frame configuration to grow from weak to strong according to interference,
Obtain RN sub-frame configuration sequence list.
Optionally, if the corresponding equipment in peripheral cell (DeNB or DeRN) of mobile RN by system message broadcast oneself in
Grade (jump) in multistage (jumps) networking is several, the unused upstream or downstream service rate grade of Un interface and has adopted in Un interface
RN sub-frame configuration, then moving RN would know that the above-mentioned relevant information that the peripheral cell of mobile RN is broadcasted in system message,
The RN sub-frame configuration including first community, second community use is known to move RN.
S303, mobile RN send the measurement result for meeting the third cell of measurement report condition to source device；
According to the record of above-mentioned S302 it is found that RSRP and RSRQ of the mobile RN in addition to measuring each candidate cell, can also survey
Each candidate cell is measured in the jamming power of each downlink subframe, and records the RN sub-frame configuration sequence list of each candidate cell, with
And the RN sub-frame configuration that the peripheral cell of mobile RN uses.
Optionally, the RN sub-frame configuration that the peripheral cell of mobile RN uses is adopted to meet the third cell of measurement report condition
RN sub-frame configuration.
For candidate cell identical with source cell frequency point, mobile RN according to preset common frequency measurement report condition,
The measurement result for meeting the third cell of common frequency measurement report condition is sent to source device, wherein the measurement result of third cell
It can also include: corresponding downlink of third cell except measurement of correlation amount (such as RSRP and RSRQ) including common frequency measurement
The RN sub-frame configuration that the peripheral cell of the RN sub-frame configuration sequence list of the jamming power, third cell of frame or mobile RN use
At least one of；
For the candidate cell different from source cell frequency point, mobile RN according to preset different-frequency measure report condition,
The measurement result for meeting the third cell of different-frequency measure report condition is sent to source device, wherein the measurement result of third cell
It can also include: corresponding downlink of third cell except measurement of correlation amount (such as RSRP and RSRQ) including different-frequency measure
The RN sub-frame configuration that the peripheral cell of the RN sub-frame configuration sequence list of the jamming power, third cell of frame or mobile RN use
At least one of.
Optionally, mobile RN is determined according to above-mentioned common frequency measurement report condition and/or different-frequency measure report condition and is needed
After the third cell of report, the not used upstream or downstream business of Un interface can also be further selected in these third cells
Speed grade can satisfy the small of the Qos demand for the corresponding radio bearer that Un interface of the mobile RN in current area has built up
Area is reported to source device as final third cell, and by the measurement result of final third cell.
S304, source device determine Target cell according to measurement result in third cell；
Third cell in the present embodiment refers to the candidate cell for meeting measurement report condition.
Specifically, if third cell be the first dedicated signaling indicated by first community, i.e., source device would know that first
Cell.Source device can be known according to X2 interface message and S1 interface message, under whether third cell corresponding eNB or RN has
Hang the function of RN.Therefore, the measurement result that source device is sent according to above-mentioned X2 interface message, S1 interface message and mobile RN,
Determination has the function of lower extension RN in third cell and the quality of reception meets the cell of preset condition as Target cell；Wherein,
The cell that the quality of reception meets preset condition refers to the optimal third of the quality of reception in the lower third cell for hanging RN function
Cell.
Specifically, i.e. source is set if third cell is the second community that the first dedicated signaling that mobile RN is scanned does not indicate
It is standby to know that third cell corresponds to whether eNB or RN has the function of lower extension RN according to X2 interface message and S1 interface message,
Therefore, source device determines that the quality of reception meets the small of preset condition according only to the measurement result that mobile RN is sent in third cell
As Target cell, the corresponding target device of the Target cell may be eNB, RN, DeNB or DeRN in area.
Specifically, source device is sent according to mobile RN if third cell includes above-mentioned first community and second community
Measurement result determines that the quality of reception meets the cell of preset condition as Target cell in third cell.The Target cell can
To be first community, it is also possible to second community.If Target cell is first community, the corresponding target device of Target cell is
DeNB or DeRN；If Target cell is second community, the corresponding target device of Target cell may for eNB, RN, DeNB or
DeRN。
S305, source device send third dedicated signaling to the corresponding target device of Target cell；
The third dedicated signaling of the present embodiment includes the request of RN sub-frame configuration；
If in the measurement result that mobile RN is sent to source device including the jamming power of the corresponding downlink subframe of third cell,
The jamming power of the corresponding downlink subframe of Target cell is then carried in third dedicated signaling；
If in the measurement result that mobile RN is sent to source device including the RN sub-frame configuration sequence list of third cell, the
The RN sub-frame configuration sequence list of Target cell is carried in three dedicated signalings；
If in the measurement result that mobile RN is sent to source device including the RN sub-frame configuration that the peripheral cell of mobile RN uses,
The RN sub-frame configuration that the peripheral cell of Target cell uses then is carried in third dedicated signaling.
Optionally, third dedicated signaling further include: established between source device and mobile RN radio bearer GBR information and
NON-GBR information so that target device according to GBR information assess target device whether have enough resources ensure with mobile RN it
Between GBR carrying QOS, and according to NON-GBR information evaluation target device whether have enough resources ensure with mobile RN it
Between non-GBR carrying minimum-rate requirement.
It should be pointed out that source device is after sending third dedicated signaling to the corresponding target device of Target cell, mesh
Marking device is requested according to the RN sub-frame configuration in third dedicated signaling, when determining that switching object is mobile RN, if target device is
DeNB or DeRN, then execute S306；
If target device is eNB or RN, refusal is carried by dedicated signaling and is indicated to source device.Source device is receiving
After the refusal instruction sent to target device, RN will be moved by, which abandoning, switches to the corresponding Target cell of the target device, and again
Execute S304, S305.
If there are X2 interface between source device and target device, source device sends third to target device by X2 interface
Dedicated signaling；If X2 interface is not present between source device and target device, source device sends the 5th specially to EPC by S1 interface
With signaling, EPC sends the 6th dedicated signaling after parsing the 5th dedicated signaling, to target device.
It should be pointed out that being carried in above-mentioned third dedicated signaling, the 5th dedicated signaling and the 6th dedicated signaling useful
All relevant parameters of target device are switched in mobile RN, these parameters execute admission control for target device.In addition, the
It is also carried in three dedicated signalings: some parameters or mark for X2 interface communication；5th dedicated signaling and the 6th dedicated letter
It is also carried in order: the parameter for S1 interface communication.
S306, target device send the 4th dedicated signaling to source device；
Specifically, being comprised the following processes before target device (DeNB or DeRN) sends the 4th dedicated signaling to source device:
The corresponding each downlink subframe of Target cell in third dedicated signaling that target device is sent according to source device
The jamming power determination that jamming power and target device measure the corresponding each sub-frame of uplink of Target cell is suitable for and moves
The downlink subframe and sub-frame of uplink of dynamic RN communication；
The RN sub-frame configuration sequence list for the Target cell in third dedicated signaling that target device is sent according to source device,
And the obtained jamming power of the corresponding each sub-frame of uplink of Target cell of target device measurement determines and is suitable for and mobile RN
The RN sub-frame configuration of communication；
RN that the peripheral cell for the Target cell in third dedicated signaling that target device is sent according to source device uses
Frame configuration, target device is when determining the downlink subframe and sub-frame of uplink that are suitable for communicating with mobile RN, it should exclude week as far as possible
Enclose downlink subframe and sub-frame of uplink corresponding to the RN sub-frame configuration of cell use；Alternatively, target device determine be suitable for
When the RN sub-frame configuration of mobile RN communication, it should avoid the RN sub-frame configuration that the mobile peripheral cell RN uses as far as possible.
For multilevel network scene, it should be pointed out that if target device is DeRN, target DeRN does not have in same son
On frame with the ability that is communicated while upper level DeRN or DeNB with lower extension RN:
Target DeRN should be suitable for and downlink subframe and sub-frame of uplink that mobile RN communicate in exclusion target DeRN and
The corresponding sub-frame of uplink of RN sub-frame configuration and downlink subframe that upper level DeRN or DeNB are used when communicating；And be suitable for
The RN sub-frame configuration used when target DeRN and upper level DeRN or DeNB communication is excluded in the RN sub-frame configuration of mobile RN communication.
Target device, which is based on the above process, allows mobile RN access, then sends the 4th dedicated signaling to source device, wherein the
Four dedicated signalings include the configuration information of non-competing random access, RN subframe configuration information and other for Un interface communication
Parameter.
If there are X2 interface between source device and target device, target device sends the 4th to source device by X2 interface
Dedicated signaling；If X2 interface is not present between source device and target device, target device sends the 7th to EPC by S1 interface
Dedicated signaling, EPC send the 8th dedicated signaling after parsing the 7th dedicated signaling, to source device.
It should be pointed out that being carried in above-mentioned 4th dedicated signaling, the 7th dedicated signaling and the 8th dedicated signaling useful
All relevant parameters of target device are switched in mobile RN, these parameters are for moving RN access target device.In addition, the 4th
It is also carried in dedicated signaling: some parameters or mark for X2 interface communication；7th dedicated signaling and the 8th dedicated signaling
In also carry: the parameter for S1 interface communication.
S307, source device send the second dedicated signaling to mobile RN according to the 4th dedicated signaling；
In this step, after source device receives the 4th dedicated signaling of target device transmission, according in the 4th dedicated signaling
The parameter for moving RN switching generate the second dedicated signaling, and send second dedicated signaling to mobile RN.
Optionally, the second dedicated signaling of transmission is RRC connection reconfiguration message, is carried in the RRC connection reconfiguration message
The various configuration informations of Target cell, the RN sub-frame configuration of selection are accessed and for other of Un interface communication for moving RN
Parameter.
S308, mobile RN receive the second dedicated signaling that source device is sent, and switch to target according to the second dedicated signaling
Cell.
Specifically, mobile RN is non-in Target cell initiation according to the configuration information of the non-competing access in the second dedicated signaling
Random access procedure is competed, the uplink synchronous with Target cell is obtained；Mobile RN matches according to the RN subframe in the second dedicated signaling
Confidence ceases the sub-frame of uplink and downlink subframe for determining Un interface communication；Mobile RN is logical according to Un interface is used in the second dedicated signaling
The other parameters of letter receive the downlink information of target device in corresponding sub-frame of uplink, send out in corresponding sub-frame of uplink to target device
Serve row information.
Mobile RN needs the RN subframe configuration information according to Target cell after accessing Target cell, adjusts mobile RN
The downlink subframe and sub-frame of uplink used when Uu interface communication in Target cell.If under Uu interface communication in Target cell
Row subframe or sub-frame of uplink are changed, and mobile RN needs correspondingly to adjust the downlink or uplink of affected UE with confidence
Breath.
When mobile RN stop executing relay function or in the cell of mobile RN without any UE when, mobile RN can discharge
In the carrying that Un interface is established, enter RRC_IDLE from RRC_CONNECTED.
Optionally, after S308, mobile RN sends response message to source device.Optionally, response message is RRC connection
Message is completed in reconfiguration.
Relay switching method provided in an embodiment of the present invention sends the first dedicated letter to mobile relay RN by source device
It enables, mobile RN carries out common frequency measurement and/or different-frequency measure to candidate cell according to the first dedicated signaling, wherein candidate cell packet
It includes first community indicated by the first dedicated signaling and/or that the first dedicated signaling that mobile RN is scanned does not indicate is second small
The measurement result for meeting the third cell of measurement report condition is sent to source device by area, mobile RN, and source device is tied according to measurement
Fruit determines Target cell in third cell, and sends third dedicated signaling, source device to the corresponding target device of Target cell
After the 4th dedicated signaling for receiving target device transmission, the second dedicated signaling is sent to mobile RN according to the 4th dedicated signaling,
Realize that mobile RN switches to Target cell.By the above method, realize that mobile RN is rapidly switched to the optimal Target cell of quality,
Realize the reasonable distribution of resource.
Fig. 4 is the structural schematic diagram one of trunking provided in an embodiment of the present invention, as shown in figure 4, the present embodiment provides
Trunking 40, comprising:
Receiving module 41, for receiving the first dedicated signaling of source device transmission, first dedicated signaling is used to indicate
Mobile RN carries out common frequency measurement and/or different-frequency measure, and the source device is source DeNB or source DeRN；
Measurement module 42, for carrying out common frequency measurement to candidate cell and/or alien frequencies being surveyed according to first dedicated signaling
Amount；The candidate cell includes first community indicated by first dedicated signaling and the mobile RN is scanned described
The second community that one dedicated signaling does not indicate；
Sending module 43, for sending the measurement result for meeting the third cell of measurement report condition to the source device,
So that the source device determines Target cell according to the measurement result in the third cell；The measurement result includes the
The Reference Signal Received Power and Reference Signal Received Quality of three cells；
The receiving module 41, the second dedicated signaling sent for receiving the source device；
Switching module 44, for switching to the Target cell according to second dedicated signaling.
Optionally, the measurement result further includes the jamming power of the corresponding downlink subframe of the third cell, described
At least one of the RN sub-frame configuration that the RN sub-frame configuration sequence list of three cells or the peripheral cell of the mobile RN use.
Optionally, first dedicated signaling is specially RN reallocation message or RRC connection reconfiguration message.
Optionally, second dedicated signaling include the configuration information of non-competing random access, RN subframe configuration information with
And the other parameters for Un interface communication.
Trunking provided in this embodiment, can execute the technical solution of above method embodiment, realization principle and
Technical effect is similar, and details are not described herein again for the present embodiment.
Fig. 5 is the structural schematic diagram two of trunking provided in an embodiment of the present invention, as shown in figure 5, the present embodiment provides
Trunking 50, comprising:
Memory 51；
Processor 52；And
Computer program；
Wherein, the computer program is stored in the memory 51, and is configured as being executed by the processor 52
The technical solution of mobile RN in any one of aforementioned embodiment of the method, it is similar that the realization principle and technical effect are similar, and details are not described herein again.
Optionally, memory 51 can also be integrated with processor 52 either independent.
When the memory 51 is independently of the device except processor 52, the trunking 50 can also include:
Bus 53, for connecting the memory 51 and processor 52.
Fig. 6 is the structural schematic diagram one of source device provided in an embodiment of the present invention, as shown in fig. 6, provided in this embodiment
Source device 60, comprising:
Sending module 61, for sending the first dedicated signaling to mobile relay RN, first dedicated signaling is used to indicate
The mobile RN carries out common frequency measurement and/or different-frequency measure to candidate cell；The candidate cell includes the described first dedicated letter
The second community not indicated in first dedicated signaling that the first community and/or RN indicated in order scans；
Receiving module 62, the measurement knot of the third cell for receiving the satisfaction measurement report condition that the mobile RN is sent
Fruit；The measurement result includes the Reference Signal Received Power and Reference Signal Received Quality of third cell；
Determining module 63, for determining Target cell in the third cell according to the measurement result；The transmission
Module, for sending third dedicated signaling to the corresponding target device of the Target cell；The target device is target DeNB
Or target DeRN；The third dedicated signaling includes the request of RN sub-frame configuration；
The receiving module 62, the 4th dedicated signaling sent for receiving the target device；
The sending module 61, for sending the second dedicated signaling to the mobile RN according to the 4th dedicated signaling.
Optionally, the determining module 63 is specifically used for according to the measurement result, under having in the third cell
It hangs RN function and the quality of reception meets the cell of preset condition as Target cell.
Optionally, the measurement result further includes the jamming power of the corresponding downlink subframe of the third cell, described
At least one of the RN sub-frame configuration that the RN sub-frame configuration sequence list of three cells or the peripheral cell of the mobile RN use；
Corresponding, the third dedicated signaling includes the jamming power, described of the corresponding downlink subframe of the Target cell
At least the one of the RN sub-frame configuration that the RN sub-frame configuration sequence list of Target cell or the peripheral cell of the Target cell use
.
Optionally, the third dedicated signaling further includes establishing radio bearer between the source device and the mobile RN
GBR information and NON-GBR information.
Optionally, the 4th dedicated signaling include the configuration information of non-competing random access, RN subframe configuration information with
And the other parameters for Un interface communication.
Source device provided in this embodiment can execute the technical solution of above method embodiment, realization principle and skill
Art effect is similar, and details are not described herein again for the present embodiment.
Fig. 7 is the structural schematic diagram two of source device provided in an embodiment of the present invention, as shown in fig. 7, provided in this embodiment
Source device 70, comprising:
Memory 71；
Processor 72；And
Computer program；
Wherein, the computer program is stored in the memory 71, and is configured as being executed by the processor 72
The technical solution of source device in any one of aforementioned embodiment of the method, it is similar that the realization principle and technical effect are similar, and details are not described herein again.
Optionally, memory 71 can also be integrated with processor 72 either independent.
When the memory 71 is independently of the device except processor 72, the source device 70 can also include:
Bus 73, for connecting the memory 71 and processor 72.
Those of ordinary skill in the art will appreciate that: realize that all or part of the steps of above-mentioned each method embodiment can lead to
The relevant hardware of program instruction is crossed to complete.Program above-mentioned can be stored in a computer readable storage medium.The journey
When being executed, execution includes the steps that above-mentioned each method embodiment to sequence；And storage medium above-mentioned include: ROM, RAM, magnetic disk or
The various media that can store program code such as person's CD.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (13)
1. a kind of relay switching method characterized by comprising
Mobile relay RN receives the first dedicated signaling that source device is sent, and first dedicated signaling is used to indicate the mobile RN
Common frequency measurement and/or different-frequency measure are carried out, the source device is source DeNB or source DeRN；
The mobile RN carries out common frequency measurement and/or different-frequency measure according to first dedicated signaling, to candidate cell；The time
Selecting cell includes first community indicated by first dedicated signaling and the described first dedicated letter that the mobile RN is scanned
Enable the second community not indicated；
The mobile RN sends the measurement result for meeting the third cell of measurement report condition to the source device, so that the source
Equipment determines Target cell according to the measurement result in the third cell；The measurement result includes the ginseng of third cell
Examine signal reception power and Reference Signal Received Quality；
The mobile RN receives the second dedicated signaling that the source device is sent, and switches to institute according to second dedicated signaling
State Target cell.
2. the method according to claim 1, wherein the measurement result further includes that the third cell is corresponding
The peripheral cell of the jamming power of downlink subframe, the RN sub-frame configuration sequence list of the third cell or the mobile RN uses
RN sub-frame configuration at least one of.
3. the method according to claim 1, wherein first dedicated signaling be specially RN reallocation message or
RRC connection reconfiguration message.
4. the method according to claim 1, wherein second dedicated signaling includes non-competing random access
Configuration information, RN subframe configuration information and the other parameters for Un interface communication.
5. a kind of relay switching method characterized by comprising
Source device sends the first dedicated signaling to mobile relay RN, and first dedicated signaling is used to indicate the mobile RN to time
Cell is selected to carry out common frequency measurement and/or different-frequency measure, the source device is source DeNB or source DeRN；The candidate cell includes institute
State the first community indicated in the first dedicated signaling and/or first dedicated signaling that RN is scanned in do not indicate it is second small
Area；
The source device receives the measurement result of the third cell for the satisfaction measurement report condition that the mobile RN is sent；The survey
Amount result includes the Reference Signal Received Power and Reference Signal Received Quality of third cell；
The source device determines Target cell according to the measurement result in the third cell, and to the Target cell pair
The target device answered sends third dedicated signaling；The target device is target DeNB or target DeRN；The dedicated letter of third
Enable includes that RN sub-frame configuration is requested；
The source device receives the 4th dedicated signaling that the target device is sent, and according to the 4th dedicated signaling to described
Mobile RN sends the second dedicated signaling.
6. according to the method described in claim 5, it is characterized in that, the source device is according to the measurement result in the third
Target cell is determined in cell, comprising:
The source device will have the function of lower extension RN and the quality of reception meet in advance according to the measurement result in the third cell
If the cell of condition is as Target cell.
7. according to the method described in claim 5, it is characterized in that, the measurement result further includes that the third cell is corresponding
The peripheral cell of the jamming power of downlink subframe, the RN sub-frame configuration sequence list of the third cell or the mobile RN uses
RN sub-frame configuration at least one of；
Corresponding, the third dedicated signaling includes the jamming power of the corresponding downlink subframe of the Target cell, the target
At least one of the RN sub-frame configuration that the RN sub-frame configuration sequence list of cell or the peripheral cell of the Target cell use.
8. the method according to the description of claim 7 is characterized in that the third dedicated signaling further includes the source device and institute
State the GBR information that radio bearer is established between mobile RN and NON-GBR information.
9. according to the method described in claim 5, it is characterized in that, second dedicated signaling includes non-competing random access
Configuration information, RN subframe configuration information and the other parameters for Un interface communication.
10. a kind of trunking characterized by comprising
Receiving module, for receiving the first dedicated signaling of source device transmission, first dedicated signaling is used to indicate mobile RN
Common frequency measurement and/or different-frequency measure are carried out, the source device is source DeNB or source DeRN；
Measurement module, for carrying out common frequency measurement and/or different-frequency measure to candidate cell according to first dedicated signaling；Institute
State candidate cell include first community indicated by first dedicated signaling and the mobile RN is scanned described first specially
The second community not indicated with signaling；
Sending module, for sending the measurement result for meeting the third cell of measurement report condition to the source device, so that institute
It states source device and Target cell is determined in the third cell according to the measurement result；The measurement result includes third cell
Reference Signal Received Power and Reference Signal Received Quality；
The receiving module, the second dedicated signaling sent for receiving the source device；
Switching module, for switching to the Target cell according to second dedicated signaling.
11. a kind of trunking characterized by comprising
Memory；
Processor；And
Computer program；
Wherein, the computer program stores in the memory, and is configured as being executed by the processor to realize such as
The described in any item methods of claim 1-4.
12. a source device characterized by comprising
Sending module, for sending the first dedicated signaling to mobile relay RN, first dedicated signaling is used to indicate the shifting
Dynamic RN carries out common frequency measurement and/or different-frequency measure to candidate cell；The candidate cell includes the first dedicated signaling middle finger
The second community not indicated in first dedicated signaling that the first community and/or RN shown scan；
Receiving module, the measurement result of the third cell for receiving the satisfaction measurement report condition that the mobile RN is sent；Institute
State the Reference Signal Received Power and Reference Signal Received Quality that measurement result includes third cell；
Determining module, for determining Target cell in the third cell according to the measurement result；The sending module is used
In sending third dedicated signaling to the corresponding target device of the Target cell；The target device is target DeNB or target
DeRN；The third dedicated signaling includes the request of RN sub-frame configuration；
The receiving module, the 4th dedicated signaling sent for receiving the target device；
The sending module, for sending the second dedicated signaling to the mobile RN according to the 4th dedicated signaling.
13. a source device characterized by comprising
Memory；
Processor；And
Computer program；
Wherein, the computer program stores in the memory, and is configured as being executed by the processor to realize such as
The described in any item methods of claim 5-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810390109.9A CN110430602B (en) | 2018-04-27 | 2018-04-27 | Relay switching method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810390109.9A CN110430602B (en) | 2018-04-27 | 2018-04-27 | Relay switching method and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110430602A true CN110430602A (en) | 2019-11-08 |
| CN110430602B CN110430602B (en) | 2021-12-07 |
Family
ID=68408252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810390109.9A Active CN110430602B (en) | 2018-04-27 | 2018-04-27 | Relay switching method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110430602B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110505639A (en) * | 2018-05-16 | 2019-11-26 | 成都鼎桥通信技术有限公司 | Relay measuring configuration method and device |
| WO2021254011A1 (en) * | 2020-06-19 | 2021-12-23 | 展讯通信（上海）有限公司 | Method and device for communication |
| CN116134885A (en) * | 2020-08-07 | 2023-05-16 | 华为技术有限公司 | Communication method and device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101873722A (en) * | 2009-04-24 | 2010-10-27 | 大唐移动通信设备有限公司 | Method and device for informing MBSFN subframe configuration |
| CN102594435A (en) * | 2011-01-11 | 2012-07-18 | 华为技术有限公司 | Relay node subframe configuration method, device and communication system |
| CN103249081A (en) * | 2012-02-03 | 2013-08-14 | 上海贝尔股份有限公司 | Multi-mobile relay cooperative handover method and device |
| CN103313326A (en) * | 2012-03-13 | 2013-09-18 | 北京三星通信技术研究有限公司 | Method for supporting relay switching |
| CN103428789A (en) * | 2012-05-21 | 2013-12-04 | 普天信息技术研究院有限公司 | Switching method of repeater |
| CN105792297A (en) * | 2010-11-05 | 2016-07-20 | 交互数字专利控股公司 | Methods for handing over a relay node from a source enb to a target enb, rn and implementation method thereof |
-
2018
- 2018-04-27 CN CN201810390109.9A patent/CN110430602B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101873722A (en) * | 2009-04-24 | 2010-10-27 | 大唐移动通信设备有限公司 | Method and device for informing MBSFN subframe configuration |
| CN105792297A (en) * | 2010-11-05 | 2016-07-20 | 交互数字专利控股公司 | Methods for handing over a relay node from a source enb to a target enb, rn and implementation method thereof |
| CN102594435A (en) * | 2011-01-11 | 2012-07-18 | 华为技术有限公司 | Relay node subframe configuration method, device and communication system |
| CN103249081A (en) * | 2012-02-03 | 2013-08-14 | 上海贝尔股份有限公司 | Multi-mobile relay cooperative handover method and device |
| CN103313326A (en) * | 2012-03-13 | 2013-09-18 | 北京三星通信技术研究有限公司 | Method for supporting relay switching |
| CN103428789A (en) * | 2012-05-21 | 2013-12-04 | 普天信息技术研究院有限公司 | Switching method of repeater |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110505639A (en) * | 2018-05-16 | 2019-11-26 | 成都鼎桥通信技术有限公司 | Relay measuring configuration method and device |
| WO2021254011A1 (en) * | 2020-06-19 | 2021-12-23 | 展讯通信（上海）有限公司 | Method and device for communication |
| CN116134885A (en) * | 2020-08-07 | 2023-05-16 | 华为技术有限公司 | Communication method and device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110430602B (en) | 2021-12-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11832239B2 (en) | Resource selection method for V2X operation of terminal in wireless communication system, and terminal using method | |
| EP3780746B1 (en) | Access selection method and apparatus | |
| US10051496B2 (en) | Method and apparatus for efficiently reporting a CQI/CSI measurement report | |
| CN104641691B (en) | The method and apparatus of reception system information in a wireless communication system | |
| CN104349504B (en) | User's equipment and its device communicate selection method to device | |
| EP2115957B1 (en) | Method for changing route in wireless communication | |
| CN103916917B (en) | Method, equipment and the system switched under a kind of carrying separation scene | |
| KR101574491B1 (en) | Cell partitioning for high-speed users | |
| CN103477698B (en) | Mobile communication system, relay station, base station, and control method thereof | |
| CN102625438B (en) | A kind ofly carry out synchronous method, system and equipment | |
| CN102123480B (en) | The notice of access capability of relay node and transmission method | |
| CN102948201B (en) | Equipment and the method for the measurement of report record in wireless communication system | |
| EP3749046B1 (en) | Processing methods for wireless backhaul communication, related devices and computer readable storage media | |
| KR20150022240A (en) | Apparatus and method for providing service to isolated user equipment in device-to-device communication system | |
| CN108419273A (en) | The local access of enhancing in mobile communication | |
| CN108966318A (en) | Communication device and network selection method | |
| CN109804679A (en) | In a wireless communication system by the terminal sidelinks method for transmitting synchronizing signal executed and the terminal of use this method | |
| CN108632851A (en) | cell measuring method and user terminal | |
| TW201238277A (en) | Method and apparatus for signalling measurement signalling | |
| KR20090016721A (en) | Handover method and base station in a radio communication network | |
| EP3235300A1 (en) | Methods, base station, mobile node and relay node | |
| JP6435399B2 (en) | Selection between cellular and link-to-device (D2D) communication links using reference signals | |
| KR20120139841A (en) | Method, equipment and node for determining quality of service in each section of link | |
| CN110430602A (en) | Relay switching method and device | |
| CN105940687A (en) | D2d operation method performed by terminal in wireless communication system and terminal using same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |