CN101990170A - 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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- CN101990170A CN101990170A CN2009100562296A CN200910056229A CN101990170A CN 101990170 A CN101990170 A CN 101990170A CN 2009100562296 A CN2009100562296 A CN 2009100562296A CN 200910056229 A CN200910056229 A CN 200910056229A CN 101990170 A CN101990170 A CN 101990170A
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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 the method and apparatus that transfer of data behind the former sub-district is returned in a kind of terminal gravity treatment.
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 has improved the transmission rate of terminal under the CELL_FACH state greatly.
Terminal needs this sub-district and adjacent sub-district are measured under the CELL_FACH state, and measurement result is assessed according to the sub-district reselection criterion, if find a better sub-district, terminal arrives new sub-district with gravity treatment.Under traditional CELL_FACH state, if gravity treatment has taken place, terminal is carried out cell updating course after finishing gravity treatment on new sub-district.Carry out in the process of gravity treatment in terminal, terminal can't receive any data message in former sub-district, during this period of time, if network sends data to terminal, can cause loss of data.
Under the traditional C ELL_FACH state, because RACH (Random Access Channel, Random Access Channel) and the speed ratio of FACH (Forward Access Chnnel, forward access channel) lower, even terminal uses the mode of sub-district gravity treatment also can not cause losing in a large number of data.
Strengthening under the CELL_FACH state, owing to adopt 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 the sub-district gravity treatment, dispatch terminal the 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, satisfy the criterion of sub-district gravity treatment if terminal is found certain adjacent sub-district, then send sub-district gravity treatment indication to the base station, the base station stops the up-downgoing of this terminal is dispatched after receiving sub-district gravity treatment indication.Terminal is carried out the reuse adoption process of new sub-district after sending sub-district gravity treatment indication.
Existing sub-district gravity treatment scheme earlier sends the gravity treatment indication in this sub-district to the base station after terminal finds that reselection criterion is satisfied in certain adjacent sub-district, then in new sub-district read system information, but judge whether to satisfy the condition of persistent district.If find that this sub-district can not be resident when terminal reads adjacent system information of subdistricts, such as LAI (Location Area, the lane place) situation such as be under an embargo, be that gravity treatment is unsuccessful, and former sub-district is got back in gravity treatment, because what terminal was resident before and after gravity treatment was attempted is same sub-district, then terminal does not need to carry out cell updating course and comes informing network.But because terminal has sent the gravity treatment indication before this, 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 the base station yet, thereby can cause business normally to carry out.
Summary of the invention
The method and apparatus that the embodiment of the invention provides a kind of terminal gravity treatment to return transfer of data behind the former sub-district strengthening after former sub-district is gone back in gravity treatment under the CELL_FACH state, can carry out normal business data transmission to guarantee terminal.
For this reason, the embodiment of the invention provides following technical scheme:
The method of transfer of data behind the former sub-district is returned in a kind of terminal gravity treatment, comprising:
After former sub-district is got back in the terminal gravity treatment, send the sub-district gravity treatment to the base station and return to indicate;
The transfer of data flow process to described terminal is recovered after receiving that the gravity treatment of described sub-district returns to indicate in the base station.
The method of transfer of data behind the former sub-district is returned in a kind of terminal gravity treatment, comprising:
After former sub-district 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 the base station.
A kind of terminal comprises:
Message sending unit is used for sending the gravity treatment indication to the base station after finding to satisfy the adjacent sub-district of reselection criterion;
The gravity treatment unit is used for gravity treatment and makes described terminal enter described adjacent sub-district of satisfying reselection criterion, and after the gravity treatment failure, gravity treatment makes described terminal get back to former sub-district;
Described message sending unit also is used for after described terminal is got back to former sub-district, returns to indicate described new sub-district whether to satisfy the condition of persistent district but send the sub-district gravity treatment to the base station, so that the transfer of data flow process to described terminal is recovered in the base station.
A kind of terminal comprises:
Message sending unit is used for sending the gravity treatment indication to the base station after finding to satisfy the adjacent sub-district of reselection criterion;
The gravity treatment unit is used for gravity treatment and makes described terminal enter described adjacent sub-district of satisfying reselection criterion, and after the gravity treatment failure, gravity treatment makes described terminal get back to former sub-district;
The cell update unit is used for after described terminal is got back to former sub-district, initiates the cell update flow process, so that the transfer of data flow process to described terminal is recovered in the base station in described cell update flow process.
A kind of base station comprises:
Data transmission unit is used for sending downlink data to terminal;
The first message sink unit is used for the gravity treatment indication that receiving terminal sends, and after receiving described gravity treatment indication, notifies described data transmission unit to stop to send downlink data to described terminal;
The described first message sink unit also is used for sub-district gravity treatment that receiving terminal the sends indication of returning, and returns after the indication receiving the gravity treatment of described sub-district, notifies described data transmission unit to recover transfer of data flow process to described terminal.
A kind of base station comprises:
Data transmission unit is used for sending downlink data to terminal;
The first message sink unit is used for the gravity treatment indication that receiving terminal sends, and after receiving described gravity treatment indication, notifies described data transmission unit to stop to send downlink data to described terminal;
The second message sink unit is used to receive the notice of the recovery of radio network controller transmission to the transfer of data of described terminal, and after receiving described notice, notifies the transfer of data of described data transmission unit recovery to described terminal.
The method and apparatus of transfer of data behind the former sub-district is returned in the gravity treatment of embodiment of the invention terminal, for the terminal that strengthens under the CELL_FACH state, when gravity treatment unsuccessful after former sub-district is gone back in gravity treatment again to adjacent sub-district, sending the sub-district gravity treatment by terminal to the base station returns to indicate, perhaps by initiating the cell update flow process, make the transfer of data of base station recovery, thereby guaranteed normally carrying out of terminal traffic this terminal.
Description of drawings
Fig. 1 is a kind of flow chart that the method for transfer of data behind the former sub-district is returned in the gravity treatment of embodiment of the invention terminal;
Fig. 2 is the another kind of flow chart that the method for transfer of data behind the former sub-district is returned in the gravity treatment of embodiment of the invention terminal;
Fig. 3 is the message interaction process during the terminal gravity treatment in the embodiment of the invention;
Fig. 4 is a kind of structural representation of embodiment of the invention terminal;
Fig. 5 is the another kind of structural representation of embodiment of the invention terminal;
Fig. 6 is a kind of structural representation of embodiment of the invention base station;
Fig. 7 is the another kind of structural representation of embodiment of the invention base station.
Embodiment
In order to make those skilled in the art person understand the scheme of the embodiment of the invention better, the embodiment of the invention is described in further detail below in conjunction with drawings and embodiments.
The method and apparatus of transfer of data behind the former sub-district is returned in the gravity treatment of embodiment of the invention terminal, for the terminal that strengthens under the CELL_FACH state, when gravity treatment unsuccessful after former sub-district is gone back in gravity treatment again to adjacent sub-district, sending the sub-district gravity treatment by terminal to the base station returns to indicate, perhaps by initiating the cell update flow process, make the transfer of data of base station recovery, thereby guarantee normally carrying out of terminal traffic this terminal.
As shown in Figure 1, be a kind of flow chart that the method for transfer of data behind the former sub-district is returned in the gravity treatment of embodiment of the invention terminal, may further comprise the steps:
Particularly, terminal can be passed through E-RUCCH (E-DCH random access uplink controlchannel, E-DCH inserts ascending control channel at random) and sends the described sub-district gravity treatment indication of returning.
Network was the special E-RNTI of this terminal distribution before E-RNTI in the E-RUCCH channel (E-DCH Radio Network Temporary Identifier, E-DCH Radio Network Temporary Identifier symbol) was set to; For the SI in the E-RUCCH channel (Scheduling information, schedule information), do not limit in embodiments of the present invention, can be provided with according to the practical application needs.Such as, if current do not have upstream data to need transmission, then SI is set to 0, if there is upstream data to need transmission, then fills out according to the situation of current cache device and send SI.
After E-RUCCH message is received in the base station, judge that this E-RNTI sent the terminal that the sub-district gravity treatment is indicated to described base station before belonging to, and then recovered transfer of data and scheduling to this terminal.
If this E-RUCCH transmission course is unsuccessful, terminal can be attempted repeatedly E-RUCCH process of transmitting.
Certainly, in the invention process, terminal sends the described sub-district gravity treatment indication of returning 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 the former sub-district is returned in the gravity treatment of embodiment of the invention terminal, may further comprise the steps:
Particularly, in the cell update flow process, the 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 the base station, recover transfer of data flow process to described terminal.
Wherein, RNC sends to described base station and carries out after the notice of recovering the transfer of data of described terminal is to receive the lastest imformation that described terminal sends.
Concrete cell update flow process and prior art are similar, are 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 invention.
Step 301 is in the UE that strengthens the CELL_FACH state, and this sub-district A and adjacent sub-district are measured, and according to reselection criterion measurement result is assessed;
Step 302 satisfies reselection criterion if find certain adjacent sub-district B, and UE sends sub-district gravity treatment indication to the base station at A place, sub-district, and indication UE will leave this sub-district;
Step 303, base station are received the transfer of data of this gravity treatment indication back, sub-district time-out to this UE;
Step 304, UE reads the system message of adjacent sub-district B, and judges whether adjacent sub-district B satisfies resident condition after sending sub-district gravity treatment indication;
Judged result can have two kinds of situations, describes respectively below:
(1) if adjacent sub-district B satisfies resident condition, then 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 the base station is notified, the information of deleting this UE.
(2) if adjacent sub-district B does not satisfy resident condition, then carry out following steps:
Step 305b, sub-district A is returned in the UE gravity treatment;
Step 306b, UE sends back to sub-district A indication to the base station, and this sub-district A is got back in indication UE gravity treatment; Particularly, UE can send the sub-district gravity treatment indication of returning to the base station of sub-district A by the E-RUCCH channel;
Step 307b, the transfer of data flow process to this UE is recovered after receiving that the sub-district gravity treatment returns to indicate in the base station.
In embodiments of the present invention, after former sub-district is got back in the UE gravity treatment, can also make the transfer of data flow process of base station recovery by another mode to this UE.Promptly, replace above-mentioned steps 206b by step 306c1-306c2 shown in Figure 3.
Step 306c1 after sub-district A is returned in the UE gravity treatment, initiates the cell update flow process on the A of sub-district;
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 the former sub-district is returned in the gravity treatment of embodiment of the invention terminal, for the terminal that strengthens under the CELL_FACH state, when gravity treatment unsuccessful after former sub-district is gone back in gravity treatment again to adjacent sub-district, sending the sub-district gravity treatment by terminal to the base station returns to indicate, perhaps by initiating the cell update flow process, make the transfer of data of base station recovery, thereby guaranteed normally carrying out of terminal traffic this terminal.
One of ordinary skill in the art will appreciate that all or part of step that realizes in the foregoing description method is to instruct relevant hardware to finish by program, described program can be stored in the 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 invention terminal.
In this embodiment, described terminal comprises:
Message sending unit 401 is used for sending the gravity treatment indication to the base station after finding to satisfy the adjacent sub-district of reselection criterion; Particularly, can send the gravity treatment of described sub-district by the E-RUCCH channel and return to indicate, network was the special E-RNTI of this terminal distribution before the E-RNTI in the described E-RUCCH channel was set to.
Gravity treatment unit 402 is used for gravity treatment and makes described terminal enter described adjacent sub-district of satisfying reselection criterion, and after the gravity treatment failure, gravity treatment makes described terminal get back to former sub-district.
In embodiments of the present invention, described message sending unit 401, also be used for after described terminal is got back to former sub-district, return to indicate described new sub-district whether to satisfy the condition of persistent district but send the sub-district gravity treatment, so that the transfer of data flow process to described terminal is recovered in the base station to the base station.
The terminal of the embodiment of the invention, unsuccessful after former sub-district is gone back in gravity treatment again in gravity treatment to adjacent sub-district, by send the sub-district gravity treatment indication of returning to the base station, make the base station recover transfer of data, thereby guaranteed normally carrying out of terminal traffic this terminal.
As shown in Figure 5, be the another kind of structural representation of embodiment of the invention terminal.
In this embodiment, described terminal comprises:
Message sending unit 501 is used for sending the gravity treatment indication to the base station after finding to satisfy the adjacent sub-district of reselection criterion;
Gravity treatment unit 502 is used for gravity treatment and makes described terminal enter described adjacent sub-district of satisfying reselection criterion, and after the gravity treatment failure, gravity treatment makes described terminal get back to former sub-district;
Cell update unit 503 is used for after described terminal is got back to former sub-district, initiates the cell update flow process, so that the transfer of data flow process to described terminal is recovered in the base station in described cell update flow process.
The terminal of the embodiment of the invention, unsuccessful after former sub-district is gone back in gravity treatment again in gravity treatment to adjacent sub-district, by initiating the cell update flow process, make the base station recover transfer of data, thereby guaranteed normally carrying out of terminal traffic this terminal.
The embodiment of the invention also provides a kind of base station, as shown in Figure 6, is a kind of structural representation of embodiment of the invention base station.
In this embodiment, described base station 600 comprises: the data transmission unit 601 and the first message sink unit 602.Wherein:
The first message sink unit 602 is used for the gravity treatment indication that receiving terminal sends, and after receiving described gravity treatment indication, notifies described data transmission unit 601 to stop to send downlink data to described terminal;
In embodiments of the present invention, the described first message sink unit 602, also be used for sub-district gravity treatment that receiving terminal the sends indication of returning, and return after the indication transfer of data flow process of notifying described data transmission unit 601 to recover receiving the gravity treatment of described sub-district described terminal.
Particularly, the described first message sink unit 602 can receive the gravity treatment of described sub-district by the E-RUCCH channel returns to indicate, and network was the special E-RNTI of this terminal distribution before the E-RNTI in the described E-RUCCH channel was set to.
Sub-district gravity treatment that the terminal behind the former sub-district the sends indication of returning can be returned to the unsuccessful gravity treatment again in adjacent sub-district according to gravity treatment in the base station of the embodiment of the invention, recovers the transfer of data to this terminal, thereby has guaranteed normally carrying out of terminal traffic.
As shown in Figure 7, be the another kind of structural representation of embodiment of the invention base station.
In this embodiment, described base station 700 comprises:
The first message sink unit 702 is used for the gravity treatment indication that receiving terminal sends, and after receiving described gravity treatment indication, notifies described data transmission unit to stop to send downlink data to described terminal;
The second message sink unit 703 is used to receive 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 to described terminal.
The base station of the embodiment of the invention can according to the notice that RNC sends, be recovered the transfer of data to described terminal, thereby guarantee normally carrying out of terminal traffic in the gravity treatment cell update flow process that unsuccessful terminal after former sub-district is gone back in gravity treatment is again initiated to adjacent sub-district.
More than the embodiment of the invention is described in detail, used embodiment herein the present invention set forth, the explanation of above embodiment just is used for help understanding method and apparatus of the present invention; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (10)
1. the method for transfer of data behind the former sub-district is returned in a terminal gravity treatment, it is characterized in that, comprising:
After former sub-district is got back in the terminal gravity treatment, send the sub-district gravity treatment to the base station and return to indicate;
The transfer of data flow process to described terminal is recovered after receiving that the gravity treatment of described sub-district returns to indicate in the base station.
2. method according to claim 1 is characterized in that, described terminal sends the sub-district gravity treatment indication of returning to the base station and comprises:
Described terminal sends the gravity treatment of described sub-district by the E-RUCCH channel returns to indicate, and network was the special E-RNTI of this terminal distribution before the E-RNTI in the described E-RUCCH channel was set to.
3. the method for transfer of data behind the former sub-district is returned in a terminal gravity treatment, it is characterized in that, comprising:
After former sub-district 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 the base station.
4. method according to claim 3 is characterized in that, described base station recovers the transfer of data flow process of described terminal is comprised:
After the notice of recovery to the transfer of data of described terminal of radio network controller transmission received in the base station, recover transfer of data flow process to described terminal.
5. method according to claim 4 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.
6. a terminal is characterized in that, comprising:
Message sending unit is used for sending the gravity treatment indication to the base station after finding to satisfy the adjacent sub-district of reselection criterion;
The gravity treatment unit is used for gravity treatment and makes described terminal enter described adjacent sub-district of satisfying reselection criterion, and after the gravity treatment failure, gravity treatment makes described terminal get back to former sub-district;
Described message sending unit also is used for after described terminal is got back to former sub-district, returns to indicate described new sub-district whether to satisfy the condition of persistent district but send the sub-district gravity treatment to the base station, so that the transfer of data flow process to described terminal is recovered in the base station.
7. terminal according to claim 6 is characterized in that,
Described message sending unit specifically is used for sending the gravity treatment of described sub-district by the E-RUCCH channel and returns to indicate, and network was the special E-RNTI of this terminal distribution before the E-RNTI in the described E-RUCCH channel was set to.
8. a terminal is characterized in that, comprising:
Message sending unit is used for sending the gravity treatment indication to the base station after finding to satisfy the adjacent sub-district of reselection criterion;
The gravity treatment unit is used for gravity treatment and makes described terminal enter described adjacent sub-district of satisfying reselection criterion, and after the gravity treatment failure, gravity treatment makes described terminal get back to former sub-district;
The cell update unit is used for after described terminal is got back to former sub-district, initiates the cell update flow process, so that the transfer of data flow process to described terminal is recovered in the base station in described cell update flow process.
9. base station comprises:
Data transmission unit is used for sending downlink data to terminal;
The first message sink unit is used for the gravity treatment indication that receiving terminal sends, and after receiving described gravity treatment indication, notifies described data transmission unit to stop to send downlink data to described terminal;
It is characterized in that,
The described first message sink unit also is used for sub-district gravity treatment that receiving terminal the sends indication of returning, and returns after the indication receiving the gravity treatment of described sub-district, notifies described data transmission unit to recover transfer of data flow process to described terminal.
10. base station comprises:
Data transmission unit is used for sending downlink data to terminal;
The first message sink unit is used for the gravity treatment indication that receiving terminal sends, and after receiving described gravity treatment indication, notifies described data transmission unit to stop to send downlink data to described terminal;
It is characterized in that, also comprise:
The second message sink unit is used to receive the notice of the recovery of radio network controller transmission to the transfer of data of described terminal, and after receiving described notice, notifies the transfer of data of described data transmission unit recovery to described terminal.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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 true CN101990170A (en) | 2011-03-23 |
| CN101990170B CN101990170B (en) | 2013-11-20 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103718606A (en) * | 2011-08-10 | 2014-04-09 | 阿尔卡特朗讯 | Autonomous cell re select i on by a user equipment |
| CN111107599A (en) * | 2019-12-30 | 2020-05-05 | 展讯通信（上海）有限公司 | Information transmission method, device, equipment and storage medium |
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| 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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| 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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| CN103718606B (en) * | 2011-08-10 | 2017-09-29 | 阿尔卡特朗讯 | The autonomous cell reselection performed by user equipment |
| CN111107599A (en) * | 2019-12-30 | 2020-05-05 | 展讯通信（上海）有限公司 | Information transmission method, device, equipment and storage medium |
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| CN101990170B (en) | 2013-11-20 |
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