CN107371210A - Switching method and device - Google Patents
Switching method and device Download PDFInfo
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- CN107371210A CN107371210A CN201610323420.2A CN201610323420A CN107371210A CN 107371210 A CN107371210 A CN 107371210A CN 201610323420 A CN201610323420 A CN 201610323420A CN 107371210 A CN107371210 A CN 107371210A
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- 230000005540 biological transmission Effects 0.000 claims abstract description 131
- 238000013468 resource allocation Methods 0.000 claims abstract description 91
- 238000012546 transfer Methods 0.000 claims abstract description 7
- 238000011144 upstream manufacturing Methods 0.000 claims description 22
- 238000012790 confirmation Methods 0.000 claims description 3
- 239000002699 waste material Substances 0.000 abstract description 5
- 230000008569 process Effects 0.000 description 5
- 238000005259 measurement Methods 0.000 description 4
- 241001269238 Data Species 0.000 description 3
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
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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
- H04W36/302—Reselection being triggered by specific parameters by measured or perceived connection quality data due to low signal strength
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/08—Reselecting an access point
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0446—Resources in time domain, e.g. slots or frames
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
- H04W74/0833—Random access procedures, e.g. with 4-step access
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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention provides a kind of switching method and device, wherein, this method includes：In the handoff procedure without Stochastic accessing, source base station receive target BS send resource allocation information, wherein, the resource allocation information be UE carry out transmitting uplink data required for up transmission resource configuration information；The resource allocation information is carried in switching command and is sent to user equipment (UE) by the source base station, wherein, the switching command switches to the target BS for triggering the UE from the source base station.Using above-mentioned technical proposal, solve when distributing up transmission resource, due to distribution opportunity unreasonable caused problem of resource waste, UE realizes accurate base station switching, and effective and reasonable make use of transfer resource.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of switching method and device.
Background technology
1st, the handoff procedure without Stochastic accessing
Fig. 1 is the handoff procedure flow chart without Stochastic accessing in correlation technique, such as Fig. 1
Shown, step is as follows：
S101, UE reporting measurement reports (Measurement Report) give network side.
S102, source base station (Source eNB) send handover request (Handover Request)
Target BS (Target eNB) is given, includes " timer for being maintained at target side connection " configuration
(T), (eNB be evolved base station, Evolved Node B).
S103, target BS agree to switching, reply Handover Request Acknowledge (Handover Request
Acknowledge) include：" timer for being maintained at target side connection " configuration (T)；It is up
Send resource distribution (Uplink grant, referred to as UL grant).
S104, source base station send switching command and reconfigure (RRC to UE, i.e. RRC connections
Connection Reconfiguration) message, RRC Chinese wireless heterogeneous networks (Radio
Resource Control).UE starts after receiving switching command " is maintained at target side connection
Timer ", the connection with source base station (or cell-of-origin) is kept not discharge before timer expiry,
Retain cell-of-origin is configured to maintenance and the connection of cell-of-origin, and the configuration for preserving Target cell is used
In the follow-up connection for building on target BS (or Target cell).
S105, source base station initiate data forwarding process, send numbering state transfer information (5a.SN
Status Transfer) target BS is given, and data forwarding (5b.Data forwarding) is given
Target BS.
S106, UE are after " timer for being maintained at target side connection " time-out, according to target base
The configuration stood reconfigures its Radio Resource, is provided according to the up transmission received in switching command
Source configures (UL grant), sends RRC connections configuration completion message (RRC Connection
Reconfiguration Complete) give Target cell.Target BS starts after receiving the message
Carry out normal up-downgoing data transmit-receive.
2nd, UL HARQ (UL is up, Uplink)
UE upstream data sends the merging decoding for supporting new biography and re-transmission at intended recipient end.
Up hybrid automatic request repeat requests (Hybrid Automatic Repeat Request, abbreviation
For HARQ) re-transmission of process is sync retransmission, it is fixed subframe position to retransmit subframe.It is up
The order for the HARQ versions that HARQ transmission uses is 0,2,3,1.
In the handoff procedure without Stochastic accessing, target BS lack in switching command for
The up occupation mode for sending resource (UL grant), and lack source base station and target BS
Negotiation mechanism, wasted so as to which up transmission resource allocation can be produced caused by too early, distribution is too late
Caused delay, up waste caused by sending resource continuous distribution overlong time.
For in correlation technique, when distributing up transmission resource, because distribution opportunity is unreasonable
Caused problem of resource waste, there is presently no effective solution.
The content of the invention
The embodiments of the invention provide a kind of switching method and device, at least to solve correlation technique
In distribute it is up transmission resource when, due to distribution opportunity it is unreasonable caused by problem of resource waste.
According to one embodiment of present invention, there is provided a kind of switching method, including：Without with
In the handoff procedure of machine access, source base station receives the resource allocation information that target BS is sent, its
In, the resource allocation information is upper required for user equipment (UE) progress transmitting uplink data
Row sends the configuration information of resource；The source base station matches somebody with somebody the resource carried in switching command
Confidence breath is transmitted to UE, wherein, the switching command is used to trigger the UE from the source
Base station switches to the target BS.
Alternatively, before source base station receives the resource allocation information that target BS is sent, the side
Method also includes：The source base station sends handover request to the target BS；The source base station connects
The resource allocation information that target BS is sent is received, including：The source base station receives the target base
Stand send switching request acknowledgement message, wherein, carried in the switching request acknowledgement message
The resource allocation information.
Alternatively, following information is carried in the handover request：The one of switching command can be issued
Individual or multiple subframe positions.
Alternatively, the source base station forwards the resource allocation information carried in switching command
To UE, including：The source base station is in one or more of subframe positions that target BS is specified
Put to the UE and send the switching command.
Alternatively, the resource allocation information includes one or more of following information：It is up
Send the time-frequency location of resource；The up transmission subframe position for sending resource；Up transmission resource
The semi-continuous scheduling SPS cycles；Send the sub-frame information of switching command；Up transmission resource
Transmit power；The up modulation coding mode for sending resource；Channel quality reports instruction.
Alternatively, in the case where the resource allocation information reports instruction including channel quality,
The switching command is additionally operable to trigger the UE to target BS reporting channel quality.
Alternatively, the source base station forwards the resource allocation information carried in switching command
Include to user equipment (UE)：The UE is connected to the target according to the switching command
Base station, wherein, after the UE is connected into the target BS, according to the switching
The UE is connected to the target BS by order, wherein, the UE is being connected to institute
After stating target BS, the up hybrid automatic request repeat requests for sending resource and being supported
Redundancy versions version is that redundancy versions as defined in agreement (Redundancy Version, are referred to as
RV) version.The up hybrid automatic request repeat requests redundancy for sending resource and being supported
Version (Hybrid Automatic Repeat Request Redundancy Version, referred to as
HARQ RV) version be redundancy versions as defined in agreement (Redundancy Version, letter
Referred to as RV).
Alternatively, the source base station has carried out data transmission in the UE and the target BS
After finishing, indicate that the UE is released to the up transmission resource of the UE configurations.
According to one embodiment of present invention, there is provided a kind of switching method, including：Without with
In the handoff procedure of machine access, target BS sends resource allocation information to source base station, wherein,
The resource allocation information be used for UE from the source base station switch to the target BS it
Afterwards, the configuration information of the up transmission resource required for the UE progress transmitting uplink data.
Alternatively, before target BS sends resource allocation information to source base station, methods described is also
Including：The target BS receives the handover request that the source base station is sent, wherein, it is described to cut
Request is changed to be used to ask UE being switched to target BS by source base station；The target BS is to institute
State source base station and send resource allocation information, including：The target BS is sent to the source base station
Switching request acknowledgement message, wherein, the resource is carried in the switching request acknowledgement message
Configuration information.
Alternatively, the resource allocation information includes one or more of following information：It is up
Send the time-frequency location of resource；The up transmission subframe position for sending resource；Up transmission resource
The semi-continuous scheduling SPS cycles；Send the subframe position information of switching command；Up transmission
The transmit power of resource；The up modulation coding mode for sending resource；Channel quality reports instruction.
Alternatively, the target BS carries out data transmission in the UE and the target BS
After finishing, indicate that the UE is released to the up transmission resource of the UE configurations, or
The UE configurations are voluntarily released to according to target BS described in the upstream data type that UE is sent
Up transmission resource.
According to one embodiment of present invention, there is provided a kind of switching method, including：Without with
In the handoff procedure of machine access, UE receives the resource allocation information that source base station is sent, wherein,
The resource allocation information is used in UE after the source base station switches to target BS,
The configuration information of up transmission resource required for the UE progress transmitting uplink data.
Alternatively, the resource allocation information includes one or more of following information：It is up
Send the time-frequency location of resource；The up transmission subframe position for sending resource；Up transmission resource
The semi-continuous scheduling SPS cycles；Send the subframe position information of switching command；Up transmission
The transmit power of resource；The up modulation coding mode for sending resource；Channel quality reports instruction.
Alternatively, UE sends upstream data according to the resource allocation information to target BS,
Including：UE reports instruction triggering to deliver newspaper channel quality reporting according to channel quality；UE is upper
It is RV versions as defined in agreement that row, which sends the HARQ RV versions that resource is supported,.
Alternatively, the UE carries out data transmission after finishing with the target BS, described
UE is released to the up transmission resource of the UE configurations.
According to one embodiment of present invention, there is provided a kind of switching device, applied to source base station,
Including：First receiving module, in the handoff procedure without Stochastic accessing, source base station to connect
The resource allocation information that target BS is sent is received, wherein, the resource allocation information enters for UE
The configuration information of up transmission resource required for row transmitting uplink data；First sending module,
The resource allocation information carried in switching command is transmitted to user for the source base station
Equipment UE, wherein, the switching command switches for triggering the UE from the source base station
To the target BS.
Alternatively, first sending module is additionally operable to carry out data biography in UE and target BS
It is totally lost after finishing, indicates that the UE is released to the up transmission resource of the UE configurations.
Alternatively, the resource allocation information includes one or more of following information：It is up
Send the time-frequency location of resource；The up transmission subframe position for sending resource；Up transmission resource
The semi-continuous scheduling SPS cycles；Send the sub-frame information of switching command；Up transmission resource
Transmit power；The up modulation coding mode for sending resource；Channel quality reports instruction.
According to one embodiment of present invention, there is provided a kind of switching device, applied to target base
Stand, including：Second sending module, in the handoff procedure without Stochastic accessing, Xiang Yuan
Base station sends resource allocation information, wherein, the resource allocation information is used in UE from institute
State source base station to switch to after the target BS, the UE is carried out needed for transmitting uplink data
The configuration information for the up transmission resource wanted；Second receiving module, received for basis
UE upstream data type is released to the up transmission resource of the UE configurations.
Alternatively, second sending module is additionally operable to carry out data biography in UE and target BS
It is totally lost after finishing, indicates that the UE is released to the up transmission resource of the UE configurations.
Alternatively, the resource allocation information includes one or more of following information：It is up
Send the time-frequency location of resource；The up transmission subframe position for sending resource；Up transmission resource
The semi-continuous scheduling SPS cycles；Send the sub-frame information of switching command；Up transmission resource
Transmit power；The up modulation coding mode for sending resource；Channel quality reports instruction.
According to one embodiment of present invention, there is provided a kind of switching device, applied to UE,
Including：3rd receiving module, in the handoff procedure without Stochastic accessing, UE to receive source
Base station send resource allocation information, wherein, the resource allocation information be used for UE from
The source base station is switched to after target BS, and the UE is carried out required for transmitting uplink data
Up transmission resource configuration information；3rd sending module, in cutting without Stochastic accessing
During changing, UE determines that up send provides according to the up transmission resource distribution is received
Source, upstream data is sent to target BS.
Alternatively, the resource allocation information includes one or more of following information：It is up
Send the time-frequency location of resource；The up transmission subframe position for sending resource；Up transmission resource
The semi-continuous scheduling SPS cycles；Send the sub-frame information of switching command；Up transmission resource
Transmit power；The up modulation coding mode for sending resource；Channel quality reports instruction.
Alternatively, the 3rd sending module is additionally operable to according on the channel quality received
Report instruction, channel quality reporting is sent to target BS；3rd sending module is additionally operable to
After the UE is sent completely upstream data, indicate that the UE voluntarily discharges the UE configurations
Up transmission resource.
Alternatively, the 3rd receiving module is additionally operable to receive what source base station or target BS were sent
Configured information, wherein, the configured information is used for the up hair for indicating the UE releases configuration
Send resource.
By the present invention, source base station after UE handover request is received, source base station to will
The target base station requests of switching are asked to carry out the information that base station switching needs, target BS returns accordingly
Resource allocation information is presented, the resource allocation information is to be used to UE carry out line number with target BS
According to transmission required for up transmission resource configuration information, including for control UE disconnect with
The connection of source base station, the time being attached with target BS.Source base station is by resource allocation information
UE is transmitted to, UE completes the handoff procedure of target BS according to resource allocation information.Solve
When distributing up transmission resource, due to distribution opportunity it is unreasonable caused by problem of resource waste,
UE realizes accurate base station switching, and effective and reasonable make use of transfer resource.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, forms the application
A part, schematic description and description of the invention is used to explain the present invention, not structure
Into inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the handoff procedure flow chart without Stochastic accessing in correlation technique；
Fig. 2 is a kind of flow chart one of switching method according to embodiments of the present invention；
Fig. 3 is a kind of flowchart 2 of switching method according to embodiments of the present invention；
Fig. 4 is a kind of flow chart 3 of switching method according to embodiments of the present invention；
Fig. 5 is the flow chart according to a kind of switching method of alternative embodiment of the present invention；
Fig. 6 is a kind of knot of switching device applied to source base station according to embodiments of the present invention
Structure block diagram one；
Fig. 7 is a kind of switching device applied to target BS according to embodiments of the present invention
Structured flowchart two；
Fig. 8 is a kind of structural frames of switching device applied to UE according to embodiments of the present invention
Figure three.
Embodiment
Describe the present invention in detail below with reference to accompanying drawing and in conjunction with the embodiments.Need what is illustrated
It is that, in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.
It should be noted that the art in description and claims of this specification and above-mentioned accompanying drawing
Language " first ", " second " etc. are for distinguishing similar object, without specific for describing
Order or precedence.
Random access procedure refers to that sending random access lead code from user begins attempt to access network
Network is to the process set up between network before basic signaling connection.
Embodiment 1
The embodiment of the present application can run on long evolving system (Long Term Evolution,
Referred to as LTE) in system, (including but is not limited to LTE system), the net of the grid
Network framework can include network side equipment (such as base station) and terminal.There is provided in the present embodiment
A kind of switching base station methods that can run in the above-mentioned network architecture, it is necessary to explanation, this
The running environment of the above-mentioned switching base station methods provided in application embodiment is not limited to above-mentioned net
Network framework.
Fig. 2 is a kind of flow chart one of switching method according to embodiments of the present invention, the flow chart
The method of record corresponds to source base station, as shown in Fig. 2 the flow comprises the following steps：
Step S202, in the handoff procedure without Stochastic accessing, source base station receives target BS
The resource allocation information of transmission, wherein, the resource allocation information is that UE carries out upstream data biography
The configuration information of up transmission resource required for defeated；
Alternatively, before the resource allocation information that source base station receives that target BS is sent, the party
Method also includes：The source base station sends handover request to the target BS；The source base station receives target
The resource allocation information that base station is sent, including：The source base station receives cutting for target BS transmission
Request confirmation message is changed, wherein, resource distribution letter is carried in the switching request acknowledgement message
Breath.As can be seen here, in above-mentioned alternative embodiment, target BS can be passively to source base station
Sending above-mentioned resource allocation information, (triggering sends above-mentioned resource after receiving above-mentioned handover request
Configuration information), certainly, in another alternative embodiment of the application, target BS can also
Spontaneously actively send above-mentioned resource allocation information to source base station.
Alternatively, following information is carried in the handover request：One of switching command can be issued
Or multiple subframe positions.The resource allocation information is carried in switching command and sent by the source base station
To UE, including：The source base station sends this to the UE in one or more subframe positions and cut
Change order.
In above-mentioned alternative embodiment, the resource allocation information include following information in one or
It is multiple：The up time-frequency location for sending resource；The up transmission subframe position for sending resource；On
Row sends the semi-continuous scheduling SPS cycles of resource；Send the sub-frame information of switching command；On
Row sends the transmit power of resource；The up modulation coding mode for sending resource；On channel quality
Report instruction.In the case where the resource allocation information reports instruction including channel quality, the switching
Order is additionally operable to trigger the UE to target BS reporting channel quality.
Above-mentioned resource allocation information is carried in switching command by step S204, above-mentioned source base station
User equipment (UE) is sent to, wherein, the switching command is used to trigger the UE from the source base station
Switch to the target BS.Alternatively, the UE is connected to the target according to the switching command
Base station, wherein, after the UE is connected into the target BS, the up transmission resource institute
The HARQ RV versions of support are RV versions as defined in agreement.Alternatively, according to the switching
The UE is connected to the target BS by order, wherein, the UE is being connected to the target base
Stand, the UE carries out data transmission after finishing with the target BS, indicates that the UE is released to
In the up transmission resource of UE configurations.
In the present embodiment, UE receives the resource allocation information that above-mentioned source base station is sent, and root
The time-frequency location of its up up transmission resource for sending signal is configured according to the resource allocation information；
The up transmission subframe position for sending resource；The up semi-continuous scheduling for sending resource SPS weeks
Phase；The up transmit power for sending resource；The up modulation coding mode for sending resource.Upper
State UE reception resource allocation information report instruction including channel quality in the case of, UE is touched
It is sent to target BS reporting channel quality.Above-mentioned UE is supported in the up transmission resource
HARQ RV versions are RV versions as defined in agreement.Above-mentioned UE receive source base station or
The release instruction of target BS, or after the up transmission resource has sent upstream data, release
For the up transmission resource of UE configurations.
Another alternative embodiment of the embodiment of the present invention describes a kind of switching method, this method
Corresponding to target BS, Fig. 3 is a kind of flow chart of switching method according to embodiments of the present invention
Two, as shown in figure 3, comprising the following steps：
Step S302, in the handoff procedure without Stochastic accessing, target BS obtains resource and matched somebody with somebody
Confidence ceases, wherein, the resource allocation information is to be used to switch to the mesh from the source base station in UE
After marking base station, the configuration of the up transmission resource required for UE progress transmitting uplink datas
Information；
Step S304, target BS send above-mentioned resource allocation information to source base station.
It should be noted that be an alternatively step for the acquisition process in step S302,
Step S302, which can not be performed, (such as can obtain or configure in advance above-mentioned resource distribution letter
Breath), and directly perform step S304.
In an alternative embodiment of above-described embodiment, target BS sends resource to source base station
Before configuration information, this method also includes：The target BS receives the switching of source base station transmission
Request, wherein, the handover request is used to ask UE being switched to target BS by source base station；
The target BS sends resource allocation information to the source base station, including：The target BS is to the source
Base station sends switching request acknowledgement message, wherein, carry this in the switching request acknowledgement message
Resource allocation information.
Alternatively, the target BS carries out data transmission finishing it in the UE and the target BS
Afterwards, indicate that the UE is released to the up transmission resource of UE configurations, or sent out according to UE
The upstream data type target BS sent is voluntarily released to the up transmission resource of UE configurations.
The target BS that above-described embodiment is recorded is according to the UE upstream data types sent and then discharges money
Source technical scheme to be expressed is, before the two carries out data transmission, network side and UE are about
Release conditions are set, release conditions can be the subframe that UE sends agreement number, or arrange
The good Connection Time, when reaching release conditions, target BS is voluntarily released to the upper of UE configurations
Row sends resource, and whether the release conditions reach the upstream data type that can be sent according to UE
To judge.
Another alternative embodiment of the embodiment of the present invention describes a kind of switching method, this method
Corresponding to UE, Fig. 4 is a kind of flow chart 3 of switching method according to embodiments of the present invention,
As shown in figure 4, comprise the following steps：
Step S402, in the handoff procedure without Stochastic accessing, UE receives what source base station was sent
Resource allocation information, wherein, the resource allocation information is to be used to from the source base station switch in UE
To target BS, the UE carries out the up transmission resource required for transmitting uplink data
Configuration information.
Step S404, the UE carry out upstream data according to the resource allocation information and target BS
Transmission.
Alternatively, the resource allocation information includes one or more of following information：
The up time-frequency location for sending resource；The up transmission subframe position for sending resource；It is up
Send the semi-continuous scheduling SPS cycles of resource；Send the subframe position information of switching command；
The up transmit power for sending resource；The up modulation coding mode for sending resource；Channel quality
Report instruction.
Alternatively, UE sends upstream data, bag according to the resource allocation information to target BS
Include：UE reports instruction triggering to deliver newspaper channel quality reporting according to channel quality；UE is up
It is RV versions as defined in agreement to send the HARQ RV versions that resource is supported.
Alternatively, the UE carries out data transmission after finishing with the target BS, and the UE is released
Put the up transmission resource for UE configurations.
Three kinds of switching methods of above-mentioned record, are respectively applied to source base station, target BS and UE
Side, above-mentioned three kinds of methods are synthesized into a kind of switching method, this method step is as follows：
Step 1, source base station instruction target BS, the one or more that can issue switching command are sub
Frame position.
Step 2, indicated based on source base station or in the case where target BS is spontaneous, target base
Feedback of standing source base station confirmation, comprising：The up time-frequency location for sending resource；Up transmission
The transmission subframe position of resource；The up semi-continuous scheduling SPS cycles for sending resource；Send
The subframe position of switching command；The up transmit power for sending resource；The up tune for sending resource
Coded system processed；Channel quality reports instruction.
Step 3, the subframe position of transmission switching command of the source base station in above- mentioned information, hair
Switching command is sent to UE, comprising：The up time-frequency location for sending resource；Up transmission resource
Transmission subframe position；The up semi-continuous scheduling SPS cycles for sending resource；Up transmission
The transmit power of resource；The up modulation coding mode for sending resource；Channel quality reports instruction.
Step 4, UE reconfigure its Radio Resource according to the configuration of target BS, according to cutting
The up transmission resource distribution received in order is changed, sends upstream data to target BS, should
The up new biography for sending resource support and re-transmission use HARQ RV versions to be solid as defined in agreement
Fixed RV versions.
Step 5, if including " channel quality reports instruction " in the up configuration at networking, UE
Trigger to target BS reporting channel quality.
Step 6, UE is successfully transmitted complete uplink after, UE can voluntarily releasing network
The ascending resource of configuration.After the instruction of network side is received, UE releases configure up
Resource.
The method of above-mentioned record summarises two kinds of technical schemes, when one kind is that network side consults fixed
Triplet frame, i.e., when target BS sends above-mentioned Handover Request Acknowledge information to source base station, feedback
Be it is up transmission resource transmission subframe position；Another is the son on semi-continuous scheduling
The scheme of frame position, i.e., when target BS sends above-mentioned Handover Request Acknowledge information to source base station,
Feedback is the up semi-continuous scheduling SPS cycles for sending resource.
Fig. 5 is according to a kind of flow chart of switching method of alternative embodiment of the present invention, such as Fig. 5
Shown, step is as follows：
S501, UE reporting measurement reports (Measurement Report) give network side, network side
Source base station receive UE handover request.
S502, source base station (Source eNB) send handover request (Handover Request)
Target BS (Target eNB) is given, handover request includes：" it is maintained at determining for target side connection
When device " configuration (T)；One or more subframe positions (HO subframe of switching command can be issued
pattern)。
S503, target BS agree to switching, it is determined that sending position and the UE holdings of switching command
In the switching duration of source base station, the available sub-frame of uplink positions of UE are judged, reply handover request
Confirm (Handover Request Acknowledge), included in Handover Request Acknowledge：" keep
In the timer of target side connection " configuration (T)；Up time-frequency location (the Uplink for sending resource
Grant, referred to as UL grant)；Up transmission subframe position (the UL grant for sending resource
Subframe, can be one or more subframes) or semi-continuous scheduling the transmission cycle
(Semi-Pesisitent Scheduling, referred to as SPS config, can be one or more
Cycle)；Send the subframe position (HO subframe) of switching command；Up transmission resource
Transmit power (power control)；Up modulation coding mode (the Modulation for sending resource
And Coding Scheme, referred to as MCS)；Channel quality reports instruction (Channel State
Information Indication, referred to as CSI Indication).
S504, source base station is according to the subframe position (HO subframe) for sending switching command, hair
Switching command is sent to UE, i.e. wireless resource control connection reconfiguration (Radio Resource
Control Connection Reconfiguration, referred to as RRC Connection
Reconfiguration) message, comprising：" timer for being maintained at target side connection " configuration (T)；
The up time-frequency location (UL grant) for sending resource；The up transmission subframe position for sending resource
(UL grant subframe, can be one or more subframes) or the SPS transmission cycle
(SPS config, can be one or more cycles)；The up transmit power for sending resource
(power control)；The up modulation coding mode (MCS) for sending resource；Channel quality
Report instruction (CSI Indication).Startup " is maintained at target after UE receives switching command
The timer of side connection ", the company with source base station (or cell-of-origin) is kept before timer expiry
Connect and do not discharge, retain cell-of-origin is configured to maintenance and the connection of cell-of-origin, and it is small to preserve target
The connection for being configured to subsequently build on target BS (or Target cell) in area.
S505, source base station initiate data forwarding process, send numbering state transfer information (5a.SN
Status Transfer) target BS is given, and data forwarding (5b.Data forwarding) is given
Target BS.
S506, UE are after " timer for being maintained at target side connection " time-out, according to target base
The configuration stood reconfigures its Radio Resource, is provided according to the up transmission received in switching command
Source configures, and sends RRC connections configuration completion message (RRC Connection
Reconfiguration Complete) Target cell is given, the up new biography and again for sending resource
The HARQ RV versions of biography are RV versions fixed as defined in agreement, such as " 0 ".UE into
After work(is sent completely uplink, UE can voluntarily releasing network configuration ascending resource.Such as
There is channel quality to report instruction (CSI Indication) in the up transmission resource distribution that fruit receives,
UE triggerings report CSI report.Target BS is proceeded by above and below normal after receiving the message
Row data transmit-receive.
S507, the ascending resource of network side instruction (UL Grant Release) UE release configurations.
Through the above description of the embodiments, those skilled in the art can be understood that
The mode of general hardware platform necessary to can add to the method according to above-described embodiment by software
To realize, naturally it is also possible to which by hardware, but the former is more preferably embodiment in many cases.
Based on such understanding, technical scheme substantially makes tribute to prior art in other words
The part offered can be embodied in the form of software product, and the computer software product is stored in
In one storage medium (such as ROM/RAM, magnetic disc, CD), including some instructions to
A so that station terminal equipment (can be mobile phone, computer, server, or network equipment etc.)
Perform the method that each embodiment of the present invention is somebody's turn to do.
Embodiment 2
A kind of switching device is additionally provided in the present embodiment, and the device is used to realize above-mentioned implementation
Example and preferred embodiment, repeating no more for explanation was carried out.As used below,
Term " module " can realize the combination of the software and/or hardware of predetermined function.It is although following
Device described by embodiment is preferably realized with software, but hardware, or software and hard
The realization of the combination of part is also what may and be contemplated.
Fig. 6 is a kind of knot of switching device applied to source base station according to embodiments of the present invention
Structure block diagram one, as shown in fig. 6, the device includes：
First receiving module 62, in the handoff procedure without Stochastic accessing, source base station to connect
The resource allocation information that target BS is sent is received, wherein, the resource allocation information is carried out for UE
The configuration information of up transmission resource required for transmitting uplink data；
First sending module 64, it is connected with the first receiving module 62, should for the source base station
Resource allocation information, which is carried in switching command, is sent to user equipment (UE), wherein, the switching
Order and switch to the target BS from the source base station for triggering the UE.
Alternatively, first sending module is additionally operable to carry out data transmission in UE and target BS
After finishing, indicate that the UE is released to the up transmission resource of UE configurations.
Alternatively, the resource allocation information includes one or more of following information：Up hair
Send the time-frequency location of resource；Up the transmissions subframe position for sending resource or up transmission resource
The semi-continuous scheduling SPS cycles；Send the sub-frame information of switching command；Up transmission resource
Transmit power；The up modulation coding mode for sending resource.
Fig. 7 is a kind of switching device applied to target BS according to embodiments of the present invention
Structured flowchart two, as shown in fig. 7, the device includes：
Second sending module 72, in the handoff procedure without Stochastic accessing, to source base station
Resource allocation information is sent, wherein, the resource allocation information is used in UE from the source base station
Switch to after the target BS, the UE carries out the up transmission required for transmitting uplink data
The configuration information of resource；
Second receiving module 74, it is connected with the second sending module 72, is received for basis
UE upstream data type is released to the up transmission resource of UE configurations.
Alternatively, second sending module 72 is additionally operable to carry out data in UE and target BS
After end of transmission, indicate that the UE is released to the up transmission resource of UE configurations.
Alternatively, the resource allocation information includes one or more of following information：Up hair
Send the time-frequency location of resource；Up the transmissions subframe position for sending resource or up transmission resource
The semi-continuous scheduling SPS cycles；Send the sub-frame information of switching command；Up transmission resource
Transmit power；The up modulation coding mode for sending resource.
Fig. 8 is a kind of structural frames of switching device applied to UE according to embodiments of the present invention
Figure three, as shown in figure 8, the device includes：
3rd receiving module 82, in the handoff procedure without Stochastic accessing, UE to receive source
Base station send resource allocation information, wherein, the resource allocation information be used for UE from this
Source base station is switched to after target BS, up required for UE progress transmitting uplink datas
Send the configuration information of resource；
3rd sending module 84, it is connected with the 3rd receiving module 82, for without Stochastic accessing
Handoff procedure in, UE determines up transmission according to the up transmission resource distribution is received
Resource, upstream data is sent to target BS.
Alternatively, the 3rd sending module 84 is additionally operable to be reported according to the channel quality received
Instruction, channel quality reporting is sent to target BS；3rd sending module is additionally operable at this
After UE is sent completely upstream data, indicate that the UE voluntarily discharges the up hair of UE configurations
Send resource.
Alternatively, the 3rd receiving module 82 is additionally operable to receive source base station or target BS is sent
Configured information, wherein, the configured information be used for indicate the UE release configuration up transmission
Resource.
It should be noted that above-mentioned modules can be realized by software or hardware,
For the latter, can be accomplished by the following way, but not limited to this：Above-mentioned module is respectively positioned on together
In one processor；Or the form of above-mentioned modules in any combination is respectively positioned at different
In processor.
Embodiment 3
Embodiments of the invention additionally provide a kind of storage medium.Alternatively, in the present embodiment,
Above-mentioned storage medium can be configured to the program code that storage is used to perform following steps：
S1, in the handoff procedure without Stochastic accessing, source base station receives the money that target BS is sent
Source configuration information, wherein, the resource allocation information is carried out for UE required for transmitting uplink data
Up transmission resource configuration information；
S2, the resource allocation information is carried in switching command by the source base station to be sent to user and sets
Standby UE, wherein, the switching command switches to the target for triggering the UE from the source base station
Base station.
Above-mentioned storage medium can be configured to the program code that storage is used to perform following steps：
S3, in the handoff procedure without Stochastic accessing, target BS sends resource to source base station and matched somebody with somebody
Confidence ceases, wherein, the resource allocation information is to be used to switch to the mesh from the source base station in UE
After marking base station, the configuration of the up transmission resource required for UE progress transmitting uplink datas
Information.
Above-mentioned storage medium can be configured to the program code that storage is used to perform following steps：
S4, in the handoff procedure without Stochastic accessing, UE receives the resource that source base station is sent and matched somebody with somebody
Confidence ceases, wherein, the resource allocation information is to be used to switch to target from the source base station in UE
After base station, the up transmission resource required for the UE carries out transmitting uplink data matches somebody with somebody confidence
Breath.
Alternatively, in the present embodiment, above-mentioned storage medium can include but is not limited to：USB flash disk,
Read-only storage (ROM, Read-Only Memory), random access memory (RAM,
Random Access Memory), mobile hard disk, magnetic disc or CD etc. are various to store
The medium of program code.
Alternatively, in the present embodiment, processor is according to the program generation stored in storage medium
Code performs the method and step that above-described embodiment is recorded.
Alternatively, the specific example in the present embodiment may be referred to above-described embodiment and optional implementation
Example described in mode, the present embodiment will not be repeated here.
Obviously, those skilled in the art should be understood that above-mentioned each module of the invention or each
Step can realize that they can concentrate on single computing device with general computing device
On, or be distributed on the network that multiple computing devices are formed, alternatively, they can be used
The executable program code of computing device is realized, it is thus possible to be stored in storage dress
Performed in putting by computing device, and in some cases, can be with suitable different from herein
Sequence performs shown or described step, or they are fabricated to each integrated circuit die respectively
Block, or the multiple modules or step in them are fabricated to single integrated circuit module to realize.
So, the present invention is not restricted to any specific hardware and software combination.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention,
For those skilled in the art, the present invention can have various modifications and variations.It is all this
Within the spirit and principle of invention, any modification, equivalent substitution and improvements made etc. all should
Within protection scope of the present invention.
Claims (26)
- A kind of 1. switching method, it is characterised in that including：In the handoff procedure without Stochastic accessing, source base station receives the money that target BS is sent Source configuration information, wherein, the resource allocation information is that user equipment (UE) progress is up The configuration information of up transmission resource required for data transfer；The resource allocation information carried in switching command is transmitted to by the source base station UE, wherein, the switching command switches to for triggering the UE from the source base station The target BS.
- 2. according to the method for claim 1, it is characterised in that source base station receives mesh Before marking the resource allocation information that base station is sent, methods described also includes：The source base station sends handover request to the target BS；The source base station receives the resource allocation information that target BS is sent, including：It is described Source base station receives the switching request acknowledgement message that the target BS is sent, wherein, it is described The resource allocation information is carried in switching request acknowledgement message.
- 3. according to the method for claim 2, it is characterised in that the handover request In carry following information：One or more subframe positions of switching command can be issued.
- 4. according to the method for claim 3, it is characterised in that the source base station will The resource allocation information carried in switching command is transmitted to UE, including：One or more of subframe positions that the source base station is specified in target BS are to institute State UE and send the switching command.
- 5. according to the method described in any one of Claims 1-4, it is characterised in that institute Stating resource allocation information includes one or more of following information：The up time-frequency location for sending resource；The up transmission subframe position for sending resource； The up semi-continuous scheduling SPS cycles for sending resource；Send the sub-frame information of switching command； The up transmit power for sending resource；The up modulation coding mode for sending resource；Channel Quality uploading indicates.
- 6. according to the method for claim 5, it is characterised in that match somebody with somebody in the resource Confidence breath is included in the case that channel quality reports instruction, and the switching command is additionally operable to touch Send out UE described to target BS reporting channel quality.
- 7. according to the method for claim 1, it is characterised in that the source base station The resource allocation information carried in switching command is transmitted into user equipment (UE) includes：The UE is connected to the target BS according to the switching command, wherein, After the UE is connected into the target BS, the up transmission resource is propped up The hybrid automatic request repeat requests redundancy versions HARQ RV versions held provide for agreement Redundancy versions RV versions.
- 8. according to the method for claim 1, it is characterised in that the source base station After the UE and the target BS carry out data transmission finishing, the UE is indicated It is released to the up transmission resource of the UE configurations.
- A kind of 9. switching method, it is characterised in that including：In the handoff procedure without Stochastic accessing, target BS sends resource to source base station and matched somebody with somebody Confidence ceases, wherein, the resource allocation information is to be used to cut from the source base station in UE Shift to after the target BS, it is upper required for the UE progress transmitting uplink data Row sends the configuration information of resource.
- 10. according to the method for claim 9, it is characterised in that target BS to Before source base station sends resource allocation information, methods described also includes：The target BS receives the handover request that the source base station is sent, wherein, it is described Handover request is used to ask UE being switched to target BS by source base station；The target BS sends resource allocation information to the source base station, including：It is described Target BS sends switching request acknowledgement message to the source base station, wherein, the switching The resource allocation information is carried in request confirmation message.
- 11. according to the method for claim 9, it is characterised in that the resource is matched somebody with somebody Confidence breath includes one or more of following information：The up time-frequency location for sending resource；The up transmission subframe position for sending resource； The up semi-continuous scheduling SPS cycles for sending resource；Send the subframe position of switching command Information；The up transmit power for sending resource；The up modulation coding mode for sending resource； Channel quality reports instruction.
- 12. according to the method for claim 11, it is characterised in that the target Base station indicates institute after the UE and the target BS carry out data transmission finishing State UE and be released to the up transmission resource of the UE configurations, or sent according to UE Target BS described in upstream data type is voluntarily released to the up transmission of the UE configurations Resource.
- A kind of 13. switching method, it is characterised in that including：In the handoff procedure without Stochastic accessing, UE receives the resource distribution that source base station is sent Information, wherein, the resource allocation information is to be used to from the source base station switch in UE To target BS, the UE carries out the up transmission required for transmitting uplink data The configuration information of resource.
- 14. according to the method for claim 13, it is characterised in that the resource is matched somebody with somebody Confidence breath includes one or more of following information：The up time-frequency location for sending resource；The up transmission subframe position for sending resource； The up semi-continuous scheduling SPS cycles for sending resource；Send the subframe position of switching command Information；The up transmit power for sending resource；The up modulation coding mode for sending resource； Channel quality reports instruction.
- 15. according to the method for claim 14, it is characterised in that UE is according to institute State resource allocation information and send upstream data to target BS, including：UE reports instruction triggering to deliver newspaper channel quality reporting according to channel quality；UE is RV as defined in agreement in the HARQ RV versions that up transmission resource is supported Version.
- 16. according to the method for claim 13, it is characterised in that the UE with The target BS carries out data transmission after finishing, and the UE is released to the UE The up transmission resource of configuration.
- A kind of 17. switching device, applied to source base station, it is characterised in that including：First receiving module, in the handoff procedure without Stochastic accessing, source base station to connect The resource allocation information that target BS is sent is received, wherein, the resource allocation information is UE The configuration information of up transmission resource required for progress transmitting uplink data；First sending module, the money that will be carried for the source base station in switching command Source configuration information is transmitted to user equipment (UE), wherein, the switching command is used to trigger institute State UE and switch to the target BS from the source base station.
- 18. device according to claim 17, it is characterised in that described first Sending module is additionally operable to after UE and target BS carry out data transmission finishing, instruction The UE is released to the up transmission resource of the UE configurations.
- 19. device according to claim 17, it is characterised in that the resource Configuration information includes one or more of following information：The up time-frequency location for sending resource；The up transmission subframe position for sending resource； The up semi-continuous scheduling SPS cycles for sending resource；Send the sub-frame information of switching command； The up transmit power for sending resource；The up modulation coding mode for sending resource；Channel Quality uploading indicates.
- A kind of 20. switching device, applied to target BS, it is characterised in that including：Second sending module, in the handoff procedure without Stochastic accessing, to source base station Resource allocation information is sent, wherein, the resource allocation information is used in UE from institute State source base station to switch to after the target BS, the UE carries out transmitting uplink data The configuration information of required up transmission resource；Second receiving module, for the upstream data type release according to the UE received For the up transmission resource of UE configurations.
- 21. device according to claim 20, it is characterised in that described second Sending module is additionally operable to after UE and target BS carry out data transmission finishing, instruction The UE is released to the up transmission resource of the UE configurations.
- 22. device according to claim 21, it is characterised in that the resource Configuration information includes one or more of following information：The up time-frequency location for sending resource；The up transmission subframe position for sending resource； The up semi-continuous scheduling SPS cycles for sending resource；Send the sub-frame information of switching command； The up transmit power for sending resource；The up modulation coding mode for sending resource；Channel Quality uploading indicates.
- A kind of 23. switching device, applied to UE, it is characterised in that including：3rd receiving module, in the handoff procedure without Stochastic accessing, UE to receive source The resource allocation information that base station is sent, wherein, the resource allocation information is used in UE After the source base station switches to target BS, the UE carries out transmitting uplink data The configuration information of required up transmission resource；3rd sending module, in the handoff procedure without Stochastic accessing, UE is according to connecing The up transmission resource distribution is received, determines up transmission resource, is sent out to target BS Send upstream data.
- 24. device according to claim 23, it is characterised in that the resource is matched somebody with somebody Confidence breath includes one or more of following information：The up time-frequency location for sending resource；The up transmission subframe position for sending resource； The up semi-continuous scheduling SPS cycles for sending resource；Send the sub-frame information of switching command； The up transmit power for sending resource；The up modulation coding mode for sending resource；Channel Quality uploading indicates.
- 25. device according to claim 24, it is characterised in that the described 3rd Sending module is additionally operable to report instruction according to the channel quality received, to target base Stand and send channel quality reporting；3rd sending module is additionally operable to send in the UE After completing upstream data, indicate that the UE voluntarily discharges the up hair of the UE configurations Send resource.
- 26. device according to claim 23, it is characterised in that the described 3rd Receiving module is additionally operable to receive the configured information that source base station or target BS are sent, wherein, The configured information is used for the up transmission resource for indicating the UE releases configuration.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610323420.2A CN107371210A (en) | 2016-05-13 | 2016-05-13 | Switching method and device |
| PCT/CN2017/084219 WO2017194011A1 (en) | 2016-05-13 | 2017-05-12 | Switching method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610323420.2A CN107371210A (en) | 2016-05-13 | 2016-05-13 | Switching method and device |
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| Publication Number | Publication Date |
|---|---|
| CN107371210A true CN107371210A (en) | 2017-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610323420.2A Pending CN107371210A (en) | 2016-05-13 | 2016-05-13 | Switching method and device |
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| CN (1) | CN107371210A (en) |
| WO (1) | WO2017194011A1 (en) |
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| WO2017194011A1 (en) | 2017-11-16 |
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