CN107708162A

CN107708162A - Base station-to-base station handover method and system, uplink authorization configuration, method of reseptance and device

Info

Publication number: CN107708162A
Application number: CN201610651190.2A
Authority: CN
Inventors: 陈中明
Original assignee: ZTE Corp
Current assignee: ZTE Corp
Priority date: 2016-08-09
Filing date: 2016-08-09
Publication date: 2018-02-16
Also published as: WO2018028572A1

Abstract

The invention provides a kind of base station-to-base station handover method and system, uplink authorization configuration, method of reseptance and device.Wherein, the base station-to-base station handover method includes：Source base station sends handover request to target BS, wherein, the handover request carries the configured information for indicating the target BS collocating uplink mandate；The source base station obtains the handoff response for carrying the uplink authorization that the target BS returns；The source base station sends the switching command for carrying the uplink authorization to terminal, wherein, the switching command is used to indicate that the terminal switches to the target BS by the source base station.By the present invention, when solving base station handoff procedure, the problem of UE long-time Communications failures, so realize it is quick switch between base station, so as to reach the effect for reducing business interruption time caused by handoff procedure.

Description

Base station-to-base station handover method and system, uplink authorization configuration, method of reseptance and device

Technical field

The present invention relates to the communications field, and in particular to a kind of base station-to-base station handover method and system, uplink authorization is matched somebody with somebody Put, method of reseptance and device.

Background technology

In mobile communication system, in order to ensure quality of service, the business experience good to user, when UE is in some cell After establishing connection with network, UE still needs to be measured to the signal quality of serving cell and neighbor cell, and selection is suitable Cell switch over, so as to meet mobility requirement.Fig. 1 is the handoff procedure schematic diagram according to correlation technique, such as Fig. 1 institutes Showing, source base station determines to perform handoff procedure to terminal in long evolving system (Long Term Evolution, referred to as LTE), Handover request message is sent to target BS, target BS is agreed to reserve resource after switching over, and responds handoff response and gives source base Stand, after source base station receives handoff response, switched over again with order notice terminal by RRC, terminal receives switching command (Fig. 1 Middle A points), disconnection be connected with the data of source base station, start the synchronizing process in target BS, comprising down-going synchronous and it is up together Step, wherein, uplink synchronous be by random access procedure come complete (UE to base station send data before, it is necessary to obtain with The uplink synchronous of base station, i.e. obtain and send Timing Advance (Time Advance, abbreviation TA), UE is by Stochastic accessing mistake Journey reaches this purpose), after successfully completing random access procedure, terminal sends RRC again with completion message to target BS, this When, terminal can carry out data transmit-receive (B points in Fig. 1) by target BS, and handoff procedure terminates.Between A points and B points, UE with Cell-of-origin and Target cell are all unable to normal communication, and the break period referred to as switched, this break period is random access procedure The time of occupancy, i.e. refer to Stochastic accessing start and complete between time.

In order to carry out the transmission of data, MAC (Medium Access Control) layer needs to obtain correlation from physical layer HARQ (Hybrid ARQ) information.There is a HARQ entity in UE sides, it safeguards the parallel HARQ processes of certain amount, so as to real Wait now and continue continuously to transmit during last transmission success whether feedback.In a given TTI (Transmission Time Interval), if it is indicated that the uplink authorization of the TTI, HARQ entities are the biography that will occur One HARQ process of defeated determination.HARQ entities are also the HARQ feedback (ACK/NACK received from physical layer (Acknowledgement/Negative Acknowledgement)), MCS (Modulation and Coding Scheme) Corresponding HARQ processes are sent to resource information.The corresponding HARQ cachings of each HARQ processes.At present, using synchronization Mode, i.e., transmit, can be retransmitted in the place of the fixation of same HARQ processes relative to first time.But the above method is still Can not so solve in base station handoff procedure, the problem of UE long-time Communications failures.

The content of the invention

The embodiments of the invention provide a kind of base station-to-base station handover method and system, uplink authorization configuration, method of reseptance and dress Put, during at least solving base station handoff procedure in correlation technique, the problem of UE long-time Communications failures.

According to one embodiment of present invention, there is provided a kind of base station-to-base station handover method, including：Source base station is to target BS Handover request is sent, wherein, the instruction that the handover request carries for indicating the target BS collocating uplink mandate is believed Breath；The source base station obtains the handoff response for carrying the uplink authorization that the target BS returns；The source base station to Terminal sends the switching command for carrying the uplink authorization, wherein, the switching command is used to indicate the terminal by described Source base station switches to the target BS.

Alternatively, methods described also includes：After the terminal switches to the target BS, the uplink authorization loses Effect.

Alternatively, the uplink authorization failure is determined in a case where：The number of uplink authorization reaches default maximum During number, and/or, the terminal sends RRC again with completion message success on the uplink authorization of configuration, wherein, receiving To physical layer ACK when, send RRC again with completion message success, and/or, the terminal receives the target BS and existed When first uplink scheduling sent on PDCCH or first PDCCH descending scheduling, and/or, terminal, which sends first, to be included The RRC is again after the data with success message.

Alternatively, the configured information comprises at least one of：Uplink authorization initial time, uplink authorization cycle Information, uplink authorization duration, uplink authorization number message and uplink authorization effective time.

Alternatively, following information is also carried in the handoff response：The configuration information and Target cell of Target cell The Cell Radio Network Temporary Identifier/Identity, Cell-RNTI C-RNTI of distribution.

According to another embodiment of the invention, there is provided a kind of uplink authorization collocation method, it is characterised in that including： Target BS receives the handover request that source base station is sent, wherein, the handover request is carried for indicating the target BS The configured information of collocating uplink mandate；The target BS configures according to the handover request to the uplink authorization；Institute State target BS and described carry is sent to terminal with the uplink authorization postponed via the source base station.

Alternatively, methods described also includes：After the terminal switches to the target BS, determine in a case where The uplink authorization failure：When the number of uplink authorization reaches default maximum times, and/or, institute of the terminal in configuration State and RRC is sent on uplink authorization again with completion message success, wherein, when receiving the ACK of physical layer, transmission RRC matches somebody with somebody again to be completed Message success, and/or, the terminal receives first uplink scheduling that the target BS sends on PDCCH or the During one PDCCH descending scheduling, and/or, terminal, which sends first upstream data, includes the data that the RRC matches somebody with somebody success message again Afterwards.

According to still a further embodiment, there is provided a kind of uplink authorization method of reseptance, including：Terminal receives source base Stand send the switching command for carrying uplink authorization, wherein, the switching command be used for indicate the terminal by the source base Station switches to target BS, and the uplink authorization is the target BS according to carrying for indicating the target BS configuration The configured information of uplink authorization is carried out with the uplink authorization postponed；According to the switching command, the terminal is by the source base station Switch to the target BS.

Alternatively, methods described also includes, and after the terminal switches to the target BS, determines the uplink authorization Failure, wherein, the uplink authorization failure is determined in a case where：The number of uplink authorization reaches default maximum times When, and/or, the terminal sends RRC again with completion message success on the uplink authorization of configuration, wherein, receiving thing When managing the ACK of layer, RRC is sent again with completion message success, and/or, the terminal receives the target BS on PDCCH When first uplink scheduling or first PDCCH descending scheduling that send, and/or, terminal sends first upstream data bag Include the data that the RRC matches somebody with somebody success message again after.

Alternatively, methods described also includes, the terminal to source base station send stop schedule information after, calculate TA and just Beginning transmission power；The terminal disconnects to be connected with the data of the source base station, and the configuration information of the application target BS；Institute State terminal and match somebody with somebody success message again to target BS transmission RRC in the resource of the uplink authorization.

According to another embodiment of the present invention, there is provided switching device between a kind of base station, including：First sending module, For sending handover request to target BS, wherein, the handover request is carried for indicating the target BS configuration The configured information that row authorizes；Acquisition module, the switching for carrying the uplink authorization returned for obtaining the target BS Response；Second sending module, the switching command of the uplink authorization is carried for being sent to terminal, wherein, the switching life Make for indicating that the terminal switches to the target BS by the source base station.

Alternatively, after the terminal switches to the target BS, the uplink authorization failure.

According to another embodiment of the invention, there is provided a kind of uplink authorization configuration device, including：Receiving module, use In the handover request for receiving source base station transmission, wherein, the handover request is carried for indicating the target BS configuration The configured information that row authorizes；Configuration module, for according to the handover request, being configured to the uplink authorization；Send mould Block, for described carry to be sent into terminal via the source base station with the uplink authorization postponed.

According to still a further embodiment, there is provided a kind of uplink authorization reception device, including：Receiving module, use In the switching command for carrying uplink authorization for receiving source base station transmission, wherein, the switching command is used to indicate the terminal Target BS is switched to by the source base station, the uplink authorization, which is the target BS, to be used to indicate the mesh according to carrying The configured information of mark base station collocating uplink mandate is carried out with the uplink authorization postponed；Handover module, for being ordered according to the switching Order, the target BS is switched to by the source base station.

Alternatively, described device also includes：Determining module, for after the terminal switches to the target BS, really The fixed uplink authorization failure, wherein, the uplink authorization failure is determined in a case where：The number of uplink authorization reaches pre- If maximum times when, and/or, the terminal sent on the uplink authorization of configuration RRC again with completion message success, its In, when receiving the ACK of physical layer, RRC is sent again with completion message success, and/or, the terminal receives the target base Stand in first uplink scheduling sent on PDCCH or first PDCCH descending scheduling, and/or, terminal sends first After the RRC again data with success message.

According to still another embodiment of the invention, there is provided switching system between a kind of base station, including, source base station, for The target BS sends handover request, wherein, the handover request is carried for indicating the target BS collocating uplink The configured information of mandate；Obtain the target BS return carries the handoff response with the uplink authorization postponed；To Terminal sends the switching command for carrying the uplink authorization；The target BS, the institute sent for receiving the source base station State handover request；According to the handover request, the uplink authorization is configured；Sent to the source base station and carry configuration The handoff response of the uplink authorization afterwards；The terminal, receive the switching for carrying the uplink authorization that source base station is sent Order, according to the switching command, the target BS is switched to by the source base station, the target is switched in the terminal Behind base station, the uplink authorization failure is determined, wherein, the uplink authorization failure is determined in a case where：Uplink authorization When number reaches default maximum times, and/or, the terminal sends RRC again with completion on the uplink authorization of configuration Message success, wherein, when receiving the ACK of physical layer, RRC is sent again with completion message success, and/or, the terminal receives To the target BS in first uplink scheduling sent on PDCCH or first PDCCH descending scheduling, and/or, eventually After end sends first including the RRC again data with success message.

According to still another embodiment of the invention, a kind of storage medium is additionally provided.The storage medium is arranged to storage and used In the program code for performing following steps：

S1, source base station send handover request to target BS, wherein, the handover request is carried for indicating the mesh Mark the configured information of base station collocating uplink mandate；

S2, the source base station obtain the handoff response for carrying the uplink authorization that the target BS returns；

S3, the source base station send the switching command for carrying the uplink authorization to terminal, wherein, the switching command For indicating that the terminal switches to the target BS by the source base station.

Alternatively, storage medium is also configured to the program code that storage is used to perform following steps：

According to another embodiment of the invention, another storage medium is additionally provided.The storage medium is arranged to store For performing the program code of following steps：

S1, target BS receive the handover request that source base station is sent, wherein, the handover request is carried for indicating institute State the configured information of target BS collocating uplink mandate；

S2, the target BS configure according to the handover request to the uplink authorization；

Described carry is sent to end by S3, the target BS with the uplink authorization postponed via the source base station End.

According to still another embodiment of the invention, another storage medium is additionally provided.The storage medium is arranged to store For performing the program code of following steps：

S1, terminal receive the switching command for carrying uplink authorization that source base station is sent, wherein, the switching command is used for Indicate that the terminal switches to target BS by the source base station, the uplink authorization is the target BS according to carrying use Carried out in the configured information for indicating the target BS collocating uplink mandate with the uplink authorization postponed；

S2, according to the switching command, the terminal switches to the target BS by the source base station.

By the present invention, because source base station instruction target BS is pre-configured with uplink authorization and is transmitted to terminal, while eventually End can cause uplink authorization failure according to uplink authorization after the completion of switching.Therefore, can solve among correlation technique also It can not realize and quickly carry out switching between base station, therefore, when can cause base station handoff procedure, UE long-time Communications failures are asked Topic, realize and quickly carry out switching between base station, so as to reach the effect for reducing business interruption time caused by handoff procedure.

Brief description of the drawings

Accompanying drawing described herein is used for providing a further understanding of the present invention, forms the part of the application, this hair Bright schematic description and description is used to explain the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings：

Fig. 1 is the handoff procedure schematic diagram according to correlation technique；

Fig. 2 is a kind of hardware structure diagram of the mobile terminal of base station-to-base station handover method of the embodiment of the present invention；

Fig. 3 is a kind of flow chart of base station-to-base station handover method according to embodiments of the present invention；

Fig. 4 is a kind of flow chart of uplink authorization collocation method according to embodiments of the present invention；

Fig. 5 is a kind of flow chart of uplink authorization collocation method according to embodiments of the present invention；

Fig. 6 is to switch schematic diagram between a kind of base station according to embodiments of the present invention；

Fig. 7 is a kind of sub-frame configuration figure of uplink authorization according to embodiments of the present invention；

Fig. 8 is the sub-frame configuration figure of another uplink authorization according to embodiments of the present invention；

Fig. 9 is the sub-frame configuration figure of another uplink authorization according to embodiments of the present invention；

Figure 10 is the sub-frame configuration figure of another uplink authorization according to embodiments of the present invention；

Figure 11 is the structure chart of switching device between a kind of base station according to embodiments of the present invention；

Figure 12 is a kind of structure chart of uplink authorization configuration device according to embodiments of the present invention；

Figure 13 is a kind of structure chart of uplink authorization reception device according to embodiments of the present invention；

Figure 14 is the structure chart of another uplink authorization reception device according to embodiments of the present invention；

Figure 15 is the structure chart of switching system between a kind of base station according to embodiments of the present invention.

Embodiment

Describe the present invention in detail below with reference to accompanying drawing and in conjunction with the embodiments.It should be noted that do not conflicting In the case of, the feature in embodiment and embodiment in the application can be mutually combined.

It should be noted that term " first " in description and claims of this specification and above-mentioned accompanying drawing, " Two " etc. be for distinguishing similar object, without for describing specific order or precedence.

Embodiment 1

The embodiment of the method that the embodiment of the present application one is provided can be in mobile terminal, terminal or similar fortune Calculate and performed in device.Exemplified by running on mobile terminals, Fig. 2 is a kind of shifting of base station-to-base station handover method of the embodiment of the present invention The hardware structure diagram of dynamic terminal.Handled as shown in Fig. 2 mobile terminal 10 can include one or more (one is only shown in figure) Device 202 (processor 202 can include but is not limited to Micro-processor MCV or PLD FPGA etc. processing unit), Memory 204 for data storage and the transmitting device 206 for communication function.Those of ordinary skill in the art can be with Understand, the structure shown in Fig. 2 is only to illustrate, and it does not cause to limit to the structure of above-mentioned electronic installation.For example, mobile terminal 20 It may also include more either less components than shown in Fig. 2 or there is the configuration different from shown in Fig. 2.

Memory 204 can be used for the software program and module of storage application software, such as the base station in the embodiment of the present invention Programmed instruction/module corresponding to method for switching between, processor 202 by operation be stored in software program in memory 204 with And module, so as to perform various function application and data processing, that is, realize above-mentioned method.Memory 204 may include at a high speed Random access memory, nonvolatile memory is may also include, such as one or more magnetic storage device, flash memory or other are non- Volatile solid-state.In some instances, memory 204 can further comprise remotely located relative to processor 202 Memory, these remote memories can pass through network connection to mobile terminal 20.The example of above-mentioned network includes but is not limited to Internet, intranet, LAN, mobile radio communication and combinations thereof.

Transmitting device 206 is used to data are received or sent via a network.Above-mentioned network instantiation may include The wireless network that the communication providerses of mobile terminal 20 provide.In an example, transmitting device 206 includes a Network adaptation Device (Network Interface Controller, NIC), its can be connected by base station with other network equipments so as to it is mutual Networking is communicated.In an example, transmitting device 206 can be radio frequency (Radio Frequency, RF) module, and it is used In wirelessly being communicated with internet.

It is pointed out that above-mentioned hardware configuration is equally applicable to the uplink authorization collocation method in following examples And uplink authorization method of reseptance.In order to avoid repeating, no longer repeated in the following description.

A kind of base station-to-base station handover method for running on above-mentioned mobile terminal is provided in the present embodiment, and Fig. 3 is according to this The flow chart of a kind of base station-to-base station handover method of inventive embodiments, as shown in figure 3, the flow comprises the following steps：

Step S302, source base station send handover request to target BS, wherein, the handover request is carried for indicating The configured information of the target BS collocating uplink mandate；

Alternatively, the configured information is not perform the information of random access procedure for instruction terminal.So that target BS After the instruction message is received, uplink authorization is configured accordingly, and determines the mandate time of uplink authorization and awards Power condition.

Alternatively, the configured information comprises at least one of：Uplink authorization initial time, uplink authorization cycle letter Breath, uplink authorization duration, uplink authorization number message and uplink authorization effective time.It is pointed out that up award Power initial time comprises at least System Frame Number (SFN), subframe numbers (subframe) or skew (offset).The uplink authorization cycle believes Breath (SchedInterval) includes number of sub frames, and uplink authorization persistent information (duration) includes number of sub frames, and uplink authorization is secondary Number information (TTIamount) be comprising uplink authorization quantity, such as uplink authorization number message be 5 times when, include 51 The uplink authorization of subframe, uplink authorization effective time (lengthoftime) such as 40 subframes.

Step S304, the source base station obtain the switching for carrying the uplink authorization that the target BS returns and rung Should；

Alternatively, the configuration information in above-mentioned switching is corresponding also including Target cell and the cell of Target cell distribution Radio Network Temporary Identifier (Cell-Radio Network Temp Identity, referred to as C-RNTI).Specifically, the target The configuration information of cell includes the relevant informations such as the carrier frequency of Target cell.

Step S306, the source base station send the switching command for carrying the uplink authorization to terminal, wherein, it is described to cut Order is changed to be used to indicate that the terminal switches to the target BS by the source base station.

Specifically, the switching command is specially RRC again with order.

Alternatively, after terminal switches to target BS, uplink authorization failure.Specifically, failure condition comprise at least with It is one of lower：

(1) when the number of uplink authorization reaches default maximum times.

(2) terminal sends RRC again with completion message success on the uplink authorization of configuration, wherein, receiving During the ACK of physical layer, RRC is sent again with completion message success.

(3) terminal receives first uplink scheduling or first that the target BS sends on PDCCH During PDCCH descending schedulings.

(4) after terminal sends first upstream data including the RRC again data with success message.

It is pointed out that in (2) individual failure condition, physical layer includes target BS.

By above-mentioned steps, when solving base station handoff procedure among correlation technique, the problem of UE long-time Communications failures, Realize and quickly carry out switching between base station, so as to reach the effect for reducing business interruption time caused by handoff procedure.

Through the above description of the embodiments, those skilled in the art can be understood that according to above-mentioned implementation The method of example can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but a lot In the case of the former be more preferably embodiment.Based on such understanding, technical scheme is substantially in other words to existing The part that technology contributes can be embodied in the form of software product, and the computer software product is stored in a storage In medium (such as ROM/RAM, magnetic disc, CD), including some instructions to cause a station terminal equipment (can be mobile phone, calculate Machine, server, or network equipment etc.) perform method described in each embodiment of the present invention.

Embodiment 2

A kind of uplink authorization collocation method is provided in the present embodiment, and Fig. 4 is in one kind according to embodiments of the present invention The flow chart of row authorization configuration method, as shown in figure 4, the flow comprises the following steps：

S402, target BS receive the handover request that source base station is sent, wherein, the handover request is carried for indicating The configured information of the target BS collocating uplink mandate；

S404, the target BS configure according to the handover request to the uplink authorization；

Specifically, carry out, with postponing, one below being comprised at least in the uplink authorization for uplink authorization：Uplink authorization rises Begin time, uplink authorization cycle information, uplink authorization duration and uplink authorization number message.On it is pointed out that Row authorizes initial time to comprise at least System Frame Number, subframe numbers or skew.Uplink authorization cycle information includes number of sub frames, up to award Power persistent information includes number of sub frames, and uplink authorization number message be comprising uplink authorization quantity, such as uplink authorization is secondary When number message is 5 times, the uplink authorization of 51 subframes, uplink authorization effective time are included.

Described carry is sent to by S406, the target BS with the uplink authorization postponed via the source base station Terminal.

Alternatively, the above-mentioned effect by the process for being transmitted to terminal via source base station with the uplink authorization postponed is to indicate The terminal switches to the target BS by the source base station.

It is pointed out that target BS can also send the configuration information and Target cell of Target cell to source base station The C-RNTI of distribution.Specifically, the configuration information of the Target cell includes the relevant informations such as the carrier frequency of Target cell.

(1) when the number of uplink authorization reaches default maximum times.

(2) terminal sends RRC on the uplink authorization of configuration and matches somebody with somebody completion message again

Success, wherein, when receiving the ACK of physical layer, send RRC and match somebody with somebody completion message again

Success.

(4) terminal, which sends first upstream data, includes the number that the RRC matches somebody with somebody success message again

According to rear.

Embodiment 3

A kind of uplink authorization method of reseptance is provided in the present embodiment, and Fig. 5 is in one kind according to embodiments of the present invention The flow chart of row authorization configuration method, as shown in figure 5, the flow comprises the following steps：

S502, terminal receive the switching command for carrying uplink authorization that source base station is sent, wherein, the switching command is used In indicating that the terminal switches to target BS by the source base station, the uplink authorization is the target BS according to carrying Configured information for indicating the target BS collocating uplink mandate is carried out with the uplink authorization postponed；

Alternatively, after terminal receives the switching command, perform in the following manner and institute is switched to by the source base station State the operation that target BS is switched to target BS：Terminal is sent to source base station stop schedule information after, calculate TA and initial Transmission power；It is then turned off being connected with the data of the source base station, and the configuration information of application target base station；Last terminal is in source RRC is sent to target BS match somebody with somebody success message again in the resource of the uplink authorization of base station forwarding.

S504, according to the switching command, the terminal switches to the target BS by the source base station.

Alternatively, after the terminal switches to the target BS, determine uplink authorization failure, wherein, with The uplink authorization failure is determined in the case of lower：When the number of uplink authorization reaches default maximum times, and/or, the mesh Mark base station is successfully received Radio Resource connection RRC and matches somebody with somebody completion message again, and/or, the terminal receives the target BS In first uplink scheduling sent on PDCCH or first PDCCH descending scheduling, and/or, terminal is sent on first Row data include the data that the RRC matches somebody with somebody success message again after.

According to embodiment 1,2 and 3, the scene based on above-described embodiment is additionally provided in the present invention, to understand this Technical scheme shown in inventor.

Fig. 6 is to switch schematic diagram between a kind of base station according to embodiments of the present invention.As shown in fig. 6, the home base station 1 of cell 1, The home base station 2 of cell 2, it is the neighbor cell of cell 1.Current UE is in connection status in cell 1.

Scene 1

Step 1：According to terminal capability, and measurement report, and the information such as load of target BS, decision allows UE for base station 1 It is switched in cell 2 (Handover decision), sends handover request order (Handover request) and give base station 2, take The information of Stochastic accessing is not performed with this handoff procedure, switching target is the information of cell 2.

Step 2：After cell 2 receives handover request order, switching is agreed to, and send switching request response (Handover Request ack) give cell 1, wherein, in the switching command also comprising the terminal that cell 2 is distributed cell 2 C-RNTI, small The configuration information (for example, the relevant information such as carrier frequency comprising cell 2) in area 2, also cell 2 keeps for the uplink authorization of terminal to believe Breath, Fig. 7 is a kind of sub-frame configuration figure of uplink authorization according to embodiments of the present invention.As shown in fig. 7, uplink authorization is comprising following Information：Uplink authorization start time information such as system frame number SFN start time 6 (current is System Frame Number 4), subframe numbers Subframestart time 4 or skew offset (skew with frame boundaries is 4 i.e. subframe numbers 4), the cycle letter of uplink authorization Cease SchedInterval such as number of sub frames 10 (having a uplink authorization in 10 subframes), uplink authorization duration Duration such as number of sub frames 1 is subframe 4 (showing that uplink authorization includes two subframes i.e. 4 and 5 if 2), up to award Such as 4 times uplink authorizations for including 41 subframes of the number information TTIamount of power.It is up it can in addition contain notifying cell 1 The start time information of mandate.

Specifically, terminal calculates the real time of uplink authorization according to formula 1.

(10*SFN+subframe)=[(10*SFNstart time+subframestart time)+N* SchedInterval. (formula 1)

It is pointed out that the SFNstart time occurred in formula 1 are uplink authorizations start No. SFN be now 6, Subframestart time are that the subframe numbers that uplink authorization starts are now subframe 4, and SchedInterval is uplink authorization Cycle is now 10 subframes, and the uplink authorization duration, duration was defaulted as 1.

Table 1 is each each time list of time list uplink authorization of uplink authorization time corresponding to uplink authorization：

The uplink authorization time	SFN	Subframe
			N=0	6	4
N=1	7	4
			N=2	8	4
N=3	9	4

If that configuration is not initial subframe number subframestart time, but sub-frame offset is inclined with frame boundaries It is now 4 to move Offset, and terminal calculates the real time of uplink authorization according to formula 2.

(10*SFN+subframe)=[(10*SFNstart time+offset)+N*SchedInterval. (formula 2)

If SFNstart time are uplink authorizations start No. SFN now for 6, Offset be sub-frame offset i.e. and frame The skew on border is now now 10 subframes for the cycle that 4, SchedInterval is uplink authorization, when uplink authorization continues Between duration be defaulted as 1：If the Duration of configuration is now 2, then, calculation formula is still formula 1.But it is corresponding Time list it is as shown in table 2.Table 2, which is that each time list of uplink authorization time corresponding to another uplink authorization is up, to be awarded Weigh each time list：

The number information TTI amount of wherein uplink authorization can not be configured, or be configured to infinity, wait base station Mandatum cassatorium discharge.Or configuration is uplink authorization effective time (lengthoftime) such as 40 subframes, is shown Calculated from the uplink authorization time started of configuration, after lengthoftime, uplink authorization is cancelled.

Step 3：After cell 1 receives switching request response, the suitable time is selected, the switching command is transmitted to UE (RRC reconfiguration Handover)), include the configuration of cell 2, and the C-RNTI that cell 2 is distributed, uplink authorization Etc. information.

Step 4：Terminal receives switching command, sends and stops schedule information to cell 1, starts handoff procedure, for example calculate TA, Initial Trans etc. are calculated, disconnection is connected with the data of cell 1, using the configuration of cell 2, in the uplink authorization of cell 2 Resource is specified to send RRC again with completion message to cell 2.

Step 5：Cell 1 receives terminal and stops schedule information, then stops the scheduling to terminal, or cell 1 receives terminal The ACK of the reception switching command of feedback, stop the scheduling to terminal at once or continue scheduling of a period of time stopping to terminal.

Terminal sends RRC on the uplink authorization of configuration, up Failure is authorized, as shown in fig. 7, i.e. terminal, in System Frame Number 7, subframe numbers 0 receive the ACK information of base station feedback, uplink authorization loses Imitate, i.e. System Frame Number 7, the uplink authorization on 8,9 releases automatically.

If discharge uplink authorization according to the number information TTIamount such as 4 times of uplink authorization, then, terminal exists RRC is sent on System Frame Number 6 again with after completion message, data can be sent on the uplink authorization of System Frame Number 7,8,9, it Afterwards, because number reaches 4 times, therefore, the uplink authorization of configuration terminates.

Scene 2

Step 1：According to terminal capability, and measurement report, and the information such as load of target BS, decision allows UE for base station 1 It is switched in cell 2, sends handover request order to base station 2, carry the information that this handoff procedure does not perform Stochastic accessing, and Switch the information that target is cell 2.

Step 2：After cell 2 receives handover request order, switching is agreed to, and send switching request response to cell 1, Wherein, the terminal in the switching command also comprising the distribution of cell 2 is pre- in the C-RNTI of cell 2, the information of cell 2, also cell 2 Leave the uplink authorization information of terminal for, Fig. 8 is the sub-frame configuration figure of another uplink authorization according to embodiments of the present invention.Such as figure Shown in 8, uplink authorization includes following information：Uplink authorization start time information such as System Frame Number 6 (current is System Frame Number 4), Subframe numbers 4 or skew (skew with frame boundaries is 4 i.e. subframe numbers 4), the cycle information such as number of sub frames 10 (i.e. 10 of uplink authorization Have a uplink authorization in individual subframe), uplink authorization duration such as number of sub frames 1 is subframe 4 (if on 2 surfaces Row authorization packets are 4 and 5) containing two subframes, such as 4 times uplink authorizations for including 41 subframes of number information of uplink authorization. It can in addition contain the start time information of the uplink authorization of notifying cell 1.

Step 3：After cell 1 receives switching request response, the suitable time is selected, the switching command is transmitted to UE, is wrapped Configuration containing cell 2, and the information such as C-RNTI, uplink authorization that cell 2 is distributed.

Step 4：Terminal receives switching command, starts handoff procedure, for example calculates TA, calculates Initial Trans etc., breaks Open and be connected with the data of cell 1, using the configuration of cell 2, specify resource to send RRC again with completion in the uplink authorization of cell 2 Message is to cell 2.

Step 5：The start time information for the uplink authorization of cell 1 that cell 1 notifies according to cell 2, calculate and stop to terminal Scheduling time, then stop the scheduling to terminal.

Terminal sends RRC again with after completion message on the uplink authorization of configuration, and uplink authorization failure, terminal sends first Individual upstream data includes transmission RRC and matches somebody with somebody success message again, as shown in Figure 8.Terminal sends RRC in the subframe numbers 4 of System Frame Number 7 and matched somebody with somebody again Success message, afterwards, uplink authorization fail, i.e. System Frame Number 8, and the uplink authorization on 9 releases automatically.

Scene 3

Step 2：After cell 2 receives handover request order, switching is agreed to, and send switching request response to cell 1, Wherein, the terminal in the switching command also comprising the distribution of cell 2 is pre- in the C-RNTI of cell 2, the information of cell 2, also cell 2 Leave the uplink authorization information of terminal for, Fig. 9 is the sub-frame configuration figure of another uplink authorization according to embodiments of the present invention.Such as figure Shown in 9, uplink authorization includes following information：Uplink authorization start time information such as System Frame Number 6 (current is System Frame Number 4), Subframe numbers 4 or skew (skew with frame boundaries is 4 i.e. subframe numbers 4), the cycle information such as number of sub frames 10 (i.e. 10 of uplink authorization Have a uplink authorization in individual subframe), uplink authorization duration such as number of sub frames 1 is subframe 4 (if on 2 surfaces Row authorization packets are 4 and 5) containing two subframes, such as 4 times uplink authorizations for including 41 subframes of number information of uplink authorization.

Step 5：Due to base station configuration error, or terminal receives time of switching command and delayed, and terminal is in configuration Before uplink authorization terminates (subframe 4 of System Frame Number 9) without complete switching command processing, as shown in Figure 9 so that in switching command The uplink authorization of configuration can not send RRC, and with completion message, (it is again System Frame Number with the time completed that terminal, which can send RRC, again 9 subframes 9), now uplink authorization is over, and this time switching is counted out.,

Scene 4

Step 2：After cell 2 receives handover request order, switching is agreed to, and send switching request response to cell 1, Wherein, the terminal in the switching command also comprising the distribution of cell 2 is pre- in the C-RNTI of cell, the information of cell 2, also cell 2 Leave the uplink authorization information of terminal for, Figure 10 is the sub-frame configuration figure of another uplink authorization according to embodiments of the present invention.Such as Shown in Figure 10, uplink authorization includes following information：Uplink authorization start time information such as System Frame Number 6 (is currently System Frame Number 4), subframe numbers 4 or skew (skew with frame boundaries is 4 i.e. subframe numbers 4), the cycle information such as number of sub frames 10 of uplink authorization (having a uplink authorization in 10 subframes), uplink authorization duration such as number of sub frames 1 are subframe 4 (if 2 tables Face uplink authorization is 4 and 5) comprising two subframes, and the number information of uplink authorization is awarded for such as 4 times comprising 4 the up of 1 subframe Power.

Step 5：After terminal receives the first PDCCH uplink scheduling or descending scheduling of target BS, the up of configuration is awarded Power failure.As shown in Figure 10.Terminal receives the uplink scheduling of cell 2 in the subframe numbers 8 of System Frame Number 5, then in of System Frame Number 6 Frame number 2 sends RRC and matches somebody with somebody success message again, and afterwards, uplink authorization fails, i.e. System Frame Number 6, and the uplink authorization on 7,8,9 is automatic Release.

Embodiment 4

Provide switching device between a kind of base station in the present embodiment, the device is used to realizing above-described embodiment and preferred real Mode is applied, had carried out repeating no more for explanation.As used below, term " module " can realize the soft of predetermined function The combination of part and/or hardware.Although device described by following examples is preferably realized with software, hardware, or The realization of the combination of software and hardware is also what may and be contemplated.

Figure 11 is the structure chart of switching device between a kind of base station according to embodiments of the present invention, as shown in figure 11, the device Including：First sending module 1102, the sending module 1106 of acquisition module 1104 and second.

First sending module 1102, for sending handover request to the target BS, wherein, the handover request carries There is the configured information for indicating the target BS collocating uplink mandate；

Alternatively, the configured information comprises at least one of：Uplink authorization initial time, uplink authorization cycle letter Breath, uplink authorization duration and uplink authorization number message.It is pointed out that uplink authorization initial time comprises at least System Frame Number, subframe numbers or skew.Uplink authorization cycle information includes number of sub frames, and uplink authorization persistent information includes number of sub frames, And uplink authorization number message be comprising uplink authorization quantity, such as uplink authorization number message be 5 times when, include 51 The uplink authorization of subframe.

Acquisition module 1104, the handoff response for carrying the uplink authorization returned for obtaining the target BS；

Alternatively, the configuration information in above-mentioned switching is corresponding also including Target cell and the small C- of Target cell distribution RNTI.Specifically, the configuration information of the Target cell includes the relevant informations such as the carrier frequency of Target cell.

Second sending module 1106, the switching command of the uplink authorization is carried for being sent to terminal, wherein, it is described Switching command is used to indicate that the terminal switches to the target BS by the source base station.

Specifically, the switching command is specially RRC again with order.

(1) when the number of uplink authorization reaches default maximum times.

(4) terminal sends first upstream data, including the RRC matches somebody with somebody the data of success message again after.

It should be noted that above-mentioned modules can be realized by software or hardware, for the latter, Ke Yitong Cross in the following manner realization, but not limited to this：Above-mentioned module is respectively positioned in same processor；Or above-mentioned modules are with any The form of combination is located in different processors respectively.

Embodiment 5

A kind of uplink authorization configuration device is provided in the present embodiment, and Figure 12 is in one kind according to embodiments of the present invention The structure chart of row authorization configuration device, as shown in figure 12, the device includes：First receiving module 1202, configuration module 1204 with And sending module 1206.

Receiving module 1202, for receiving the handover request of source base station transmission, wherein, the handover request, which carries, to be used for Indicate the configured information of the target BS collocating uplink mandate；

Acquisition module 1204, for according to the handover request, being configured to the uplink authorization；

Sending module 1206, for described carry to be sent to the uplink authorization postponed via the source base station Terminal.

Embodiment 6

A kind of uplink authorization reception device is provided in the present embodiment, and Figure 13 is in one kind according to embodiments of the present invention Row authorizes the structure chart of reception device, and as shown in figure 13, the device includes：First receiving module 1302 and handover module 1304。

Receiving module 1302, for receiving the switching command for carrying uplink authorization of source base station transmission, wherein, it is described to cut Change order to be used to indicate that the terminal switches to the target BS by the source base station, the uplink authorization is the target base Basis of standing is carried for indicating that the configured information of the target BS collocating uplink mandate is carried out with the uplink authorization postponed；

Handover module 1304, for according to the switching command, the target BS to be switched to by the source base station.

Additionally provide another uplink authorization reception device in the present embodiment, Figure 14 is according to embodiments of the present invention another A kind of structure chart of uplink authorization reception device, as shown in figure 14, the device are included outside the module shown in Figure 13 in device, also Including：Determining module 1402.

Determining module 1402, for after the terminal switches to the target BS, determining the uplink authorization failure, Wherein, the uplink authorization failure is determined in a case where：When the number of uplink authorization reaches default maximum times, and/ Or, the terminal sends RRC again with completion message success on the uplink authorization of configuration, wherein, receiving physical layer During ACK, RRC is sent again with completion message success, and/or, the terminal receives what the target BS was sent on PDCCH When first uplink scheduling or first PDCCH descending scheduling, and/or, terminal sends first and is made into again including the RRC After the data of work(message.

Embodiment 7

Switching system between a kind of base station is provided in the present embodiment, and Figure 15 is a kind of base station according to embodiments of the present invention Between switching system structure chart, as shown in figure 15, the system includes：Source base station 1502, target BS 1504 and terminal 1506.

Source base station 1502, for source base station, for sending handover request to the target BS 1504, wherein, it is described to cut Change and ask to carry the configured information for indicating the collocating uplink mandate of target BS 1504；Obtain the target BS 1504 returns carry the handoff response with the uplink authorization postponed；Sent to terminal 1506 and carry described up award The switching command of power；

Target BS 1504, for receiving the handover request of the transmission of source base station 1502；According to the handover request, to described Uplink authorization is configured；Sent to the target BS 1502 and carry the handoff response with the uplink authorization postponed；

The terminal 1506, the switching command for carrying the uplink authorization that source base station 1502 is sent is received, according to institute Switching command is stated, the target BS is switched to by the source base station 1502, the target base is switched in the terminal 1506 After standing, the uplink authorization failure is determined, wherein, the uplink authorization failure is determined in a case where：Time of uplink authorization Count to when reaching default maximum times, and/or, the terminal 1506 sends RRC on the uplink authorization of configuration and matched somebody with somebody again Into message success, wherein, when receiving the ACK of physical layer, RRC is sent again with completion message success, and/or, the terminal 1506 receive the target BS in first uplink scheduling sent on PDCCH or first PDCCH descending scheduling, And/or after terminal 1506 sends first including the RRC again data with success message.

Embodiment 8

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. is various can be with the medium of store program codes.

Alternatively, the specific example in the present embodiment may be referred to described in above-described embodiment and optional embodiment Example, the present embodiment will not be repeated here.

Embodiment 9

Embodiment 10

Obviously, those skilled in the art should be understood that above-mentioned each module of the invention or each step can be with general Computing device realize that they can be concentrated on single computing device, or be distributed in multiple computing devices and formed Network on, alternatively, they can be realized with the program code that computing device can perform, it is thus possible to they are stored Performed in the storage device by computing device, and in some cases, can be with different from shown in order execution herein The step of going out or describing, they are either fabricated to each integrated circuit modules respectively or by multiple modules in them or Step is 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 the skill of this area For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies Change, equivalent substitution, improvement etc., should be included in the scope of the protection.

Claims

A kind of 1. base station-to-base station handover method, it is characterised in that including：

Source base station sends handover request to target BS, wherein, the handover request is carried for indicating the target BS The configured information of collocating uplink mandate；

The source base station obtains the handoff response for carrying the uplink authorization that the target BS returns；

The source base station sends the switching command for carrying the uplink authorization to terminal, wherein, the switching command is used to refer to Show that the terminal switches to the target BS by the source base station.
2. according to the method for claim 1, it is characterised in that methods described also includes：

After the terminal switches to the target BS, the uplink authorization failure.
3. according to the method for claim 2, it is characterised in that determine the uplink authorization failure in a case where：

When the number of uplink authorization reaches default maximum times, and/or,

The terminal sends RRC again with completion message success on the uplink authorization of configuration, wherein, receiving physical layer During ACK, RRC is sent again with completion message success, and/or,

The terminal is received under first uplink scheduling or first PDCCH that the target BS is sent on PDCCH During row scheduling, and/or,

Terminal sends first upstream data, including the RRC matches somebody with somebody the data of success message again after.
4. according to the method for claim 1, it is characterised in that the configured information comprises at least one of：

Uplink authorization initial time, uplink authorization cycle information, the uplink authorization duration, uplink authorization number message and on Row authorizes effective time.
5. according to the method for claim 1, it is characterised in that following information is also carried in the handoff response：Target The Cell Radio Network Temporary Identifier/Identity, Cell-RNTI C-RNTI of configuration information and the Target cell distribution of cell.
A kind of 6. uplink authorization collocation method, it is characterised in that including：

Target BS receives the handover request that source base station is sent, wherein, the handover request is carried for indicating the target The configured information of base station collocating uplink mandate；

The target BS configures according to the handover request to the uplink authorization；

Described carry is sent to terminal by the target BS with the uplink authorization postponed via the source base station.
7. according to the method for claim 6, it is characterised in that methods described also includes：

The uplink authorization failure is determined in a case where：When the number of uplink authorization reaches default maximum times, and/ Or, the terminal sends RRC again with completion message success on the uplink authorization of configuration, wherein, receiving physical layer During ACK, RRC is sent again with completion message success, and/or, the terminal receives what the target BS was sent on PDCCH When first uplink scheduling or first PDCCH descending scheduling, and/or, terminal sends first upstream data including described RRC is again after the data with success message.
A kind of 8. uplink authorization method of reseptance, it is characterised in that including：

Terminal receives the switching command for carrying uplink authorization that source base station is sent, wherein, the switching command is used to indicate institute State terminal and target BS is switched to by the source base station, the uplink authorization, which is the target BS, to be used to indicate according to carrying The configured information of the target BS collocating uplink mandate is carried out with the uplink authorization postponed；

According to the switching command, the terminal switches to the target BS by the source base station.
9. according to the method for claim 8, it is characterised in that methods described also includes, and is switched in the terminal described After target BS, the uplink authorization failure is determined, wherein, the uplink authorization failure is determined in a case where：It is up to award When the number of power reaches default maximum times, and/or, the target BS is successfully received Radio Resource connection RRC and matched somebody with somebody again Completion message, and/or, the terminal receives first uplink scheduling or that the target BS is sent on PDCCH During one PDCCH descending scheduling, and/or, terminal, which sends first upstream data, includes the data that the RRC matches somebody with somebody success message again Afterwards.
10. device according to claim 8, it is characterised in that according to the switching command, terminal is cut by the source base station The target BS is shifted to, including：

After the terminal sends stopping schedule information to source base station, TA and Initial Trans are calculated；

The terminal disconnects to be connected with the data of the source base station, and the configuration information of the application target BS；

The terminal sends RRC to the target BS in the resource of the uplink authorization and matches somebody with somebody success message again.
A kind of 11. switching device between base station, it is characterised in that including：

First sending module, for sending handover request to target BS, wherein, the handover request is carried for indicating institute State the configured information of target BS collocating uplink mandate；

Acquisition module, the handoff response for carrying the uplink authorization returned for obtaining the target BS；

Second sending module, the switching command of the uplink authorization is carried for being sent to terminal, wherein, the switching command For indicating that the terminal switches to the target BS by the source base station.
12. device according to claim 11, it is characterised in that after the terminal switches to the target BS, institute State uplink authorization failure.
13. device according to claim 11, it is characterised in that determine the uplink authorization failure in a case where： When the number of uplink authorization reaches default maximum times, and/or, the terminal is sent on the uplink authorization of configuration RRC is again successful with completion message, wherein, when receiving the ACK of physical layer, RRC is sent again with completion message success, and/or, institute State terminal and receive first uplink scheduling or first PDCCH descending scheduling that the target BS is sent on PDCCH When, and/or, after terminal sends first including the RRC again data with success message.
A kind of 14. uplink authorization configuration device, it is characterised in that including：

Receiving module, for receiving the handover request of source base station transmission, wherein, the handover request carries described for indicating The configured information of target BS collocating uplink mandate；

Configuration module, for according to the handover request, being configured to the uplink authorization；

Sending module, for described carry to be sent into terminal via the source base station with the uplink authorization postponed.
A kind of 15. uplink authorization reception device, it is characterised in that including：

Receiving module, for receiving the switching command for carrying uplink authorization of source base station transmission, wherein, the switching command is used In indicating that the terminal switches to target BS by the source base station, the uplink authorization is the target BS according to carrying Configured information for indicating the target BS collocating uplink mandate is carried out with the uplink authorization postponed；

Handover module, for according to the switching command, the target BS to be switched to by the source base station.
16. device according to claim 14, it is characterised in that described device also includes：

Determining module, for after the terminal switches to the target BS, determining the uplink authorization failure, wherein, The uplink authorization failure is determined under situations below：When the number of uplink authorization reaches default maximum times, and/or, it is described Terminal sends RRC again with completion message success on the uplink authorization of configuration, wherein, when receiving the ACK of physical layer, hair Send RRC again with completion message success, and/or, the terminal is received on first that the target BS is sent on PDCCH When row scheduling or first PDCCH descending scheduling, and/or, terminal sends first and matches somebody with somebody success message again including the RRC After data.
A kind of 17. switching system between base station, it is characterised in that including：

Source base station, for sending handover request to the target BS, wherein, the handover request carries described for indicating The configured information of target BS collocating uplink mandate；Carrying of obtaining that the target BS returns described up is awarded with what is postponed The handoff response of power；The switching command for carrying the uplink authorization is sent to terminal；

The target BS, the handover request sent for receiving the source base station；According to the handover request, to described Uplink authorization is configured；Sent to the source base station and carry the handoff response with the uplink authorization postponed；

The terminal, the switching command for carrying the uplink authorization that source base station is sent is received, according to the switching command, by The source base station switches to the target BS, after the terminal switches to the target BS, determines the uplink authorization Failure, wherein, the uplink authorization failure is determined in a case where：The number of uplink authorization reaches default maximum times When, and/or, the terminal sends RRC again with completion message success on the uplink authorization of configuration, wherein, receiving thing When managing the ACK of layer, RRC is sent again with completion message success, and/or, the terminal receives the target BS on PDCCH When first uplink scheduling or first PDCCH descending scheduling that send, and/or, terminal, which sends first, includes the RRC Again after the data with success message.