CN101990170B - Method and equipment of data transmission for terminal after re-separation back to original cell - Google Patents
Method and equipment of data transmission for terminal after re-separation back to original cell Download PDFInfo
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- CN101990170B CN101990170B CN2009100562296A CN200910056229A CN101990170B CN 101990170 B CN101990170 B CN 101990170B CN 2009100562296 A CN2009100562296 A CN 2009100562296A CN 200910056229 A CN200910056229 A CN 200910056229A CN 101990170 B CN101990170 B CN 101990170B
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Abstract
The invention discloses a method and equipment of data transmission for a terminal after re-separation back to an original cell. In the method, after the terminal is reelected back to the original cell, the terminal sends a cell reselection return indication to a base station; and after the base station receives the cell reselection return indication, the base station recovers the data transmission process of the terminal. The invention can be used for ensuring that the terminal can carry out normal service data transmission after being reelected back to the original cell in an enhanced CELL FACH (Forward Access Channel) state.
Description
Technical field
The present invention relates to the communication technology, be specifically related to a kind of terminal gravity treatment and return the method and apparatus of transfer of data behind former residential quarter.
Background technology
TD-SCDMA (Time Division-Synchronous Code Division Multiple Access, the code division multiple access that time-division is synchronous) system is at 3GPP (3rd Generation Partnership Project, third generation partner program) introduced enhancing CELL_FACH (cell forward access channel) technology in, strengthening the CELL_FACH state, terminal can be used up E-DCH (Enhanced DedicatedChannel, strengthen dedicated channel) and descending HS-DSCH (High-Speed Downlink SharedChannel, high-speed downlink shared channel) resource, greatly improved the transmission rate of terminal under the CELL_FACH state.
Terminal needs this residential quarter and adjacent cell are measured under the CELL_FACH state, and measurement result is assessed according to the cell reselection criterion, if find a better residential quarter, terminal arrives new residential quarter with gravity treatment.Under traditional CELL_FACH state, if gravity treatment has occurred, terminal is carried out cell updating course after completing gravity treatment on new residential quarter.Carry out in the process of gravity treatment in terminal, terminal can't receive any data message in former residential quarter, during this period of time,, if network sends data to terminal, can cause loss of data.
Under traditional C ELL_FACH state, due to RACH (Random Access Channel, Random Access Channel) and FACH (Forward Access Chnnel, forward access channel) speed ratio is lower, even terminal uses the mode of cell reselection also can not cause a large amount of loss of data.
Strengthening under the CELL_FACH state, owing to adopting E-DCH resource and HS-DSCH channel resource, its upstream data peak rate and downlink data peak rate will obviously promote, if terminal is in the process of carrying out cell reselection, dispatch terminal base station, and the problem of the wasting of resources and loss of data can be more serious than traditional C ELL_FACH state.For this reason,, strengthening under the CELL_FACH state, if terminal is found certain adjacent cell, meet the criterion of cell reselection, to base station, send the cell reselection indication, base station stops the up-downgoing of this terminal is dispatched after receiving the cell reselection indication.Terminal is carried out the reuse adoption process of new residential quarter after sending the cell reselection indication.
Existing cell reselection scheme after terminal finds that certain adjacent cell meets reselection criterion, first sends the gravity treatment indication to base station in this residential quarter, then in new residential quarter read system information, but judge whether to meet the condition of persistent district.If find that this residential quarter can not be resident when terminal reads the system information of adjacent cell, such as LAI (Location Area, lane place) situation such as be prohibited, be that gravity treatment is unsuccessful, and former residential quarter is got back in gravity treatment, due to gravity treatment attempt before and after terminal resident be same residential quarter, terminal does not need to carry out cell updating course and carrys out informing network.But because terminal has before this sent the gravity treatment indication, so base station side has stopped the scheduling to this terminal downlink data.If this moment, terminal had downlink data transmission, the transmission of carrying out downlink data can not dispatched in base station yet, thereby can cause business normally to carry out.
Summary of the invention
The method and apparatus that the embodiment of the present invention provides a kind of terminal gravity treatment to return transfer of data behind former residential quarter,, strengthening under the CELL_FACH state after former residential quarter is gone back in gravity treatment, can carry out normal business data transmission to guarantee terminal.
For this reason, the embodiment of the present invention provides following technical scheme:
The method of transfer of data behind former residential quarter is returned in a kind of terminal gravity treatment, comprising:
After former residential quarter is got back in the terminal gravity treatment, send cell reselection to base station and return to indicate;
The transfer of data flow process to described terminal is recovered after receiving that described cell reselection returns to indicate in base station.
The method of transfer of data behind former residential quarter is returned in a kind of terminal gravity treatment, comprising:
After former residential quarter is got back in the terminal gravity treatment, initiate the cell update flow process;
In described cell update flow process, the transfer of data flow process to described terminal is recovered in base station.
A kind of terminal comprises:
Message sending unit, be used for sending the gravity treatment indication to base station after finding to meet the adjacent cell of reselection criterion;
The gravity treatment unit, be used for gravity treatment and make described terminal enter the described adjacent cell that meets reselection criterion, and after the gravity treatment failure, gravity treatment makes described terminal get back to former residential quarter;
Described message sending unit, also be used for after described terminal is got back to former residential quarter, returns to indicate described new residential quarter whether to meet the condition of persistent district but send cell reselection to base station, so that the transfer of data flow process to described terminal is recovered in base station.
A kind of terminal comprises:
Message sending unit, be used for sending the gravity treatment indication to base station after finding to meet the adjacent cell of reselection criterion;
The gravity treatment unit, be used for gravity treatment and make described terminal enter the described adjacent cell that meets reselection criterion, and after the gravity treatment failure, gravity treatment makes described terminal get back to former residential quarter;
The cell update unit, be used for initiating the cell update flow process, so that the transfer of data flow process to described terminal is recovered in base station in described cell update flow process after described terminal is got back to former residential quarter.
A kind of base station comprises:
Data transmission unit, be used for sending downlink data to terminal;
The first message sink unit, be used for the gravity treatment indication that receiving terminal sends, and after receiving described gravity treatment indication, notify described data transmission unit to stop sending downlink data to described terminal;
Described the first message sink unit, also be used for the indication of returning of cell reselection that receiving terminal sends, and return after indication receiving described cell reselection, notifies described data transmission unit to recover transfer of data flow process to described terminal.
A kind of base station comprises:
Data transmission unit, be used for sending downlink data to terminal;
The first message sink unit, be used for the gravity treatment indication that receiving terminal sends, and after receiving described gravity treatment indication, notify described data transmission unit to stop sending downlink data to described terminal;
The second message sink unit, be used for receiving the notice of the recovery of radio network controller transmission to the transfer of data of described terminal, and after receiving described notice, notify the transfer of data of described data transmission unit recovery to described terminal.
The method and apparatus of transfer of data behind former residential quarter is returned in the gravity treatment of embodiment of the present invention terminal, for the terminal that strengthens under the CELL_FACH state, after former residential quarter is gone back in unsuccessful gravity treatment again to adjacent cell when gravity treatment, send cell reselection returns to indicate to base station by terminal, perhaps by initiating the cell update flow process, make the transfer of data of base station recovery to this terminal, thereby guaranteed normally carrying out of terminal traffic.
Description of drawings
Fig. 1 is a kind of flow chart that the method for transfer of data behind former residential quarter is returned in the gravity treatment of embodiment of the present invention terminal;
Fig. 2 is the another kind of flow chart that the method for transfer of data behind former residential quarter is returned in the gravity treatment of embodiment of the present invention terminal;
Fig. 3 is the message interaction process during the terminal gravity treatment in the embodiment of the present invention;
Fig. 4 is a kind of structural representation of embodiment of the present invention terminal;
Fig. 5 is the another kind of structural representation of embodiment of the present invention terminal;
Fig. 6 is a kind of structural representation of embodiment of the present invention base station;
Fig. 7 is the another kind of structural representation of embodiment of the present invention base station.
Embodiment
, in order to make those skilled in the art person understand better the scheme of the embodiment of the present invention, below in conjunction with drawings and embodiments, the embodiment of the present invention is described in further detail.
The method and apparatus of transfer of data behind former residential quarter is returned in the gravity treatment of embodiment of the present invention terminal, for the terminal that strengthens under the CELL_FACH state, after former residential quarter is gone back in unsuccessful gravity treatment again to adjacent cell when gravity treatment, send cell reselection returns to indicate to base station by terminal, perhaps by initiating the cell update flow process, make the transfer of data of base station recovery to this terminal, thereby guarantee normally carrying out of terminal traffic.
As shown in Figure 1, be a kind of flow chart that the method for transfer of data behind former residential quarter is returned in the gravity treatment of embodiment of the present invention terminal, comprise the following steps:
Particularly, terminal can be passed through E-RUCCH (E-DCH random access uplink controlchannel, E-DCH accesses ascending control channel at random) and sends the indication of returning of described cell reselection.
Before E-RNTI in the E-RUCCH channel (E-DCH Radio Network Temporary Identifier, E-DCH radio network temporary identifier) is set to, network is the special E-RNTI of this terminal distribution; For the SI in the E-RUCCH channel (Scheduling information, schedule information), be not construed as limiting in embodiments of the present invention, can need to arrange according to practical application.Such as, if current do not have upstream data to need transmission, SI is set to 0,, if there is upstream data to need transmission, according to the situation of current cache device, fills out and send SI.
After E-RUCCH message is received in base station, judge that this E-RNTI sent the terminal that cell reselection is indicated before belonging to described base station, recover transfer of data and scheduling to this terminal.
If this E-RUCCH transmitting procedure is unsuccessful, terminal can be attempted repeatedly E-RUCCH process of transmitting.
Certainly, in the invention process, terminal sends the indication of returning of described cell reselection and is not limited in aforesaid way, also can adopt other message.
As shown in Figure 2, be the another kind of flow chart that the method for transfer of data behind former residential quarter is returned in the gravity treatment of embodiment of the present invention terminal, comprise the following steps:
Particularly, in the cell update flow process, base station receives the notice of the recovery of RNC (Radio Network Controller, radio network controller) transmission to the transfer of data of described terminal, after this notice is received in base station, recover the transfer of data flow process to described terminal.
Wherein, send the notice of recovering the transfer of data of described terminal to described base station be to carry out after receiving the lastest imformation that described terminal sends to RNC.
Concrete cell update flow process similarly to the prior art, is not described in detail at this.
As shown in Figure 3, be the message interaction process during the terminal gravity treatment in the embodiment of the present invention.
Step 301, be in the UE that strengthens the CELL_FACH state, and this residential quarter A and adjacent cell are measured, and according to reselection criterion, measurement result assessed;
Step 302, if find that certain adjacent cell B meets reselection criterion, UE sends the cell reselection indication to the base station at A place, residential quarter, indication UE will leave this residential quarter;
Step 303, base station are received the rear transfer of data of suspending this UE of this cell reselection indication;
Step 304, UE after sending the cell reselection indication, reads the system message of adjacent cell B, and judges whether adjacent cell B meets resident condition;
Judged result can have two kinds of situations, below describes respectively:
(1), if adjacent cell B meets resident condition, carry out following steps:
Step 305a, UE initiates the cell update flow process to RNC;
Step 306a, the RNC informing base station is deleted the information of this UE;
Step 307a, after base station is notified, delete the information of this UE.
(2), if adjacent cell B does not meet resident condition, carry out following steps:
Step 305b, residential quarter A is returned in the UE gravity treatment;
Step 306b, UE send back to residential quarter A indication to base station, this residential quarter A is got back in indication UE gravity treatment; Particularly, UE can return to indicate to the base station transmission cell reselection of residential quarter A by the E-RUCCH channel;
Step 307b, the transfer of data flow process to this UE is recovered after receiving that cell reselection returns to indicate in base station.
In embodiments of the present invention, after former residential quarter is got back in the UE gravity treatment, can also make the transfer of data flow process of base station recovery to this UE by another mode.Namely, by step 306c1-306c2 shown in Figure 3, replace above-mentioned steps 206b.
Step 306c1, after residential quarter A is returned in the UE gravity treatment, initiate the cell update flow process on the A of residential quarter;
After step 306c2, RNC received this cell update information, informing base station recovered the transfer of data flow process of this UE.
The method of transfer of data behind former residential quarter is returned in the gravity treatment of embodiment of the present invention terminal, for the terminal that strengthens under the CELL_FACH state, after former residential quarter is gone back in unsuccessful gravity treatment again to adjacent cell when gravity treatment, send cell reselection returns to indicate to base station by terminal, perhaps by initiating the cell update flow process, make the transfer of data of base station recovery to this terminal, thereby guaranteed normally carrying out of terminal traffic.
One of ordinary skill in the art will appreciate that all or part of step that realizes in above-described embodiment method is to come the relevant hardware of instruction to complete by program, described program can be stored in a computer read/write memory medium, described storage medium, as: ROM/RAM, magnetic disc, CD etc.
As shown in Figure 4, be a kind of structural representation of embodiment of the present invention terminal.
In this embodiment, described terminal comprises:
In embodiments of the present invention, described message sending unit 401, also be used for after described terminal is got back to former residential quarter, return to indicate described new residential quarter whether to meet the condition of persistent district but send cell reselection to base station, so that the transfer of data flow process to described terminal is recovered in base station.
The terminal of the embodiment of the present invention, after former residential quarter is gone back in unsuccessful gravity treatment again to adjacent cell in gravity treatment, return to indicate by send cell reselection to base station, makes the transfer of data of base station recovery to this terminal, thereby guaranteed normally carrying out of terminal traffic.
As shown in Figure 5, be the another kind of structural representation of embodiment of the present invention terminal.
In this embodiment, described terminal comprises:
The terminal of the embodiment of the present invention, after former residential quarter is gone back in unsuccessful gravity treatment again to adjacent cell in gravity treatment,, by initiating the cell update flow process, make the transfer of data of base station recovery to this terminal, thereby guaranteed normally carrying out of terminal traffic.
The embodiment of the present invention also provides a kind of base station, as shown in Figure 6, is a kind of structural representation of embodiment of the present invention base station.
In this embodiment, described base station 600 comprises: data transmission unit 601 and the first message sink unit 602.Wherein:
Data transmission unit 601, be used for sending downlink data to terminal;
The first message sink unit 602, be used for the gravity treatment indication that receiving terminal sends, and after receiving described gravity treatment indication, notify described data transmission unit 601 to stop sending downlink data to described terminal;
In embodiments of the present invention, described the first message sink unit 602, also be used for the indication of returning of cell reselection that receiving terminal sends, and return after indication receiving described cell reselection, the transfer of data flow process of notifying described data transmission unit 601 to recover described terminal.
Particularly, described the first message sink unit 602 can receive described cell reselection by the E-RUCCH channel returns to indicate, and before the E-RNTI in described E-RUCCH channel is set to, network is the special E-RNTI of this terminal distribution.
The base station of the embodiment of the present invention, can return the indication of returning of cell reselection that the terminal behind former residential quarter sends to the unsuccessful gravity treatment again of adjacent cell according to gravity treatment, recovers the transfer of data to this terminal, thereby guaranteed normally carrying out of terminal traffic.
As shown in Figure 7, be the another kind of structural representation of embodiment of the present invention base station.
In this embodiment, described base station 700 comprises:
The first message sink unit 702, be used for the gravity treatment indication that receiving terminal sends, and after receiving described gravity treatment indication, notify described data transmission unit to stop sending downlink data to described terminal;
The second message sink unit 703, be used for receiving the notice of the recovery of RNC transmission to the transfer of data of described terminal, and after receiving described notice, the transfer of data of notifying described data transmission unit 701 to recover described terminal.
The base station of the embodiment of the present invention, in the cell update flow process that the terminal after can former residential quarter is gone back in unsuccessful gravity treatment again to adjacent cell in gravity treatment is initiated,, according to the notice that RNC sends, recover the transfer of data to described terminal, thereby guaranteed normally carrying out of terminal traffic.
Above the embodiment of the present invention is described in detail, has applied embodiment herein the present invention is set forth, the explanation of above embodiment just is used for helping to understand method and apparatus of the present invention; Simultaneously,, for one of ordinary skill in the art,, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (7)
1. the method for transfer of data behind former residential quarter is returned in a terminal gravity treatment, it is characterized in that, comprising:
Terminal after finding to meet the adjacent cell of reselection criterion, sends the gravity treatment indication to base station in former residential quarter, the indication base station stops the scheduling to the downlink data of described terminal;
Reside in the described terminal of former residential quarter after gravity treatment is got back to former residential quarter to the rear gravity treatment of adjacent cell failure, send cell reselection returns to indicate to base station, comprise that described terminal sends described cell reselection by the E-RUCCH channel and returns to indicate, before the E-RNTI in described E-RUCCH channel is set to, network is the special E-RNTI of this terminal distribution;
The transfer of data flow process to described terminal is recovered after receiving that described cell reselection returns to indicate in base station.
2. the method for transfer of data behind former residential quarter is returned in a terminal gravity treatment, it is characterized in that, comprising:
Terminal after finding to meet the adjacent cell of reselection criterion, sends the gravity treatment indication to base station in former residential quarter, the indication base station stops the scheduling to the downlink data of described terminal;
Reside in the described terminal of former residential quarter after gravity treatment is got back to former residential quarter to the rear gravity treatment of adjacent cell failure, initiate the cell update flow process;
In described cell update flow process, the transfer of data flow process to described terminal is recovered in base station, after comprising that the notice of recovery to the transfer of data of described terminal of radio network controller transmission received in base station, recovers the transfer of data flow process to described terminal.
3. method according to claim 2, is characterized in that, described method also comprises:
After described radio network controller is received the lastest imformation of described terminal transmission, send the notice of recovering the transfer of data of described terminal to described base station.
4. a terminal, is characterized in that, comprising:
Message sending unit, be used for sending the gravity treatment indication to base station after finding to meet the adjacent cell of reselection criterion, and the indication base station stops the scheduling to the downlink data of terminal;
The gravity treatment unit, be used for gravity treatment and make described terminal enter the described adjacent cell that meets reselection criterion, and after the gravity treatment failure, gravity treatment makes described terminal get back to former residential quarter;
Described message sending unit, also be used for after described terminal is got back to former residential quarter, send cell reselection returns to indicate to base station, specifically by the E-RUCCH channel, sending described cell reselection returns to indicate, before E-RNTI in described E-RUCCH channel is set to, network is the special E-RNTI of this terminal distribution, so that the transfer of data flow process to described terminal is recovered in base station.
5. a terminal, is characterized in that, comprising:
Message sending unit, be used for sending the gravity treatment indication to base station after finding to meet the adjacent cell of reselection criterion, and the indication base station stops the scheduling to the downlink data of terminal;
The gravity treatment unit, be used for gravity treatment and make described terminal enter the described adjacent cell that meets reselection criterion, and after the gravity treatment failure, gravity treatment makes described terminal get back to former residential quarter;
The cell update unit, be used for initiating the cell update flow process, so that the transfer of data flow process to described terminal is recovered in base station in described cell update flow process after described terminal is got back to former residential quarter.
6. base station comprises:
Data transmission unit, be used for sending downlink data to terminal;
The first message sink unit, be used for the gravity treatment indication that receiving terminal sends, and after receiving described gravity treatment indication, notify described data transmission unit to stop sending downlink data to described terminal;
It is characterized in that,
Described the first message sink unit, also be used for receiving the described terminal that resides in former residential quarter gets back to gravity treatment after the adjacent cell failure cell reselection that sends behind former residential quarter in gravity treatment and returns to indicate, and return after indication receiving described cell reselection, notify described data transmission unit to recover transfer of data flow process to described terminal.
7. base station comprises:
Data transmission unit, be used for sending downlink data to terminal;
The first message sink unit, be used for the gravity treatment indication that receiving terminal sends, and after receiving described gravity treatment indication, notify described data transmission unit to stop sending downlink data to described terminal;
It is characterized in that, also comprise:
The second message sink unit, be used for residing in the described terminal of former residential quarter after gravity treatment is got back to former residential quarter to the rear gravity treatment of adjacent cell failure, receive the notice of the recovery of radio network controller transmission to the transfer of data of described terminal, and after receiving described notice, notify the transfer of data of described data transmission unit recovery to described terminal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009100562296A CN101990170B (en) | 2009-08-07 | 2009-08-07 | Method and equipment of data transmission for terminal after re-separation back to original cell |
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| CN2009100562296A CN101990170B (en) | 2009-08-07 | 2009-08-07 | Method and equipment of data transmission for terminal after re-separation back to original cell |
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| CN101990170A CN101990170A (en) | 2011-03-23 |
| CN101990170B true CN101990170B (en) | 2013-11-20 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2557842B1 (en) * | 2011-08-10 | 2018-05-23 | Alcatel Lucent | Autonomous cell reselection by a user equipment |
| CN111107599B (en) * | 2019-12-30 | 2022-04-26 | 展讯通信（上海）有限公司 | Information transmission method, device, equipment and storage medium |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101400143A (en) * | 2007-09-26 | 2009-04-01 | 华为技术有限公司 | Redirecting method, system and apparatus for UE |
| CN101494883A (en) * | 2009-03-06 | 2009-07-29 | 北京交通大学 | Method for normalizing timer of dynamic voice group call |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101400143A (en) * | 2007-09-26 | 2009-04-01 | 华为技术有限公司 | Redirecting method, system and apparatus for UE |
| CN101494883A (en) * | 2009-03-06 | 2009-07-29 | 北京交通大学 | Method for normalizing timer of dynamic voice group call |
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