CN101400026B - Data transmission method under cell paging state - Google Patents
Data transmission method under cell paging state Download PDFInfo
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- CN101400026B CN101400026B CN2007101614725A CN200710161472A CN101400026B CN 101400026 B CN101400026 B CN 101400026B CN 2007101614725 A CN2007101614725 A CN 2007101614725A CN 200710161472 A CN200710161472 A CN 200710161472A CN 101400026 B CN101400026 B CN 101400026B
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Abstract
The invention discloses a data transmission method for cell under paging state, belonging to 3G mobile communication system. The method comprises (1)when universal mobile communication system land wireless access network UTRAN is to transmits data to user terminal UE under cell paging state CELL_PCH, if high speed downlink shared channel wireless network temporary mark H-RNTI has been assigned for UE, then sending UE paging instruction at high speed shared control channel Hs-SCCH and high speed downlink physical shared channel HS-PDSCH reception parameter and transmits data to the UE at HS-PDSCH channel; (2) when UE directly monitors HS-SCCH channel at incontinuous reception DRX cycle, if the UE finds the own paging instruction, then receives the data transmitted at the channel using corresponding HS-PDSCH channel reception parameter. The invention can effectively reduce time delay, promotes transmission efficiency.
Description
Technical field
The present invention relates to the third generation mobile system, relate in particular to the data transmission method under a kind of CELL_PCH (cell paging channel) state.
Background technology
In the third generation mobile system, under the CELL_PCH state that strengthens, as UE (UserEquipment, user terminal) has special-purpose H-RNTI (HS-DSCH (High Speed DownlinkShared Channel, high speed descending sharing channel) Radio Network Temporary Identifier, the high speed descending sharing channel Radio Network Temporary Identifier) time, if UTRAN is (UMTS TerrestrialRadio Access Network, the universal mobile telecommunications system land radio access web) there are data will send to UE, or when wanting paging UE, at the DRX of UE (Discontinuous Reception, discontinuous reception) time of reception, UTRAN is at first at PICH (Paging Indicator Channel, Page Indication Channel) sends the paging indication on the physical channel, then at HS-SCCH (Shared Control Channelfor HS-DSCH, the shared control channel of high speed descending sharing channel) sends out HS-PDSCH (High Speed Physical Downlink Shared Channel on the transmission channel, high speed down sharing physical channel) channel receives relevant parameter, sends signaling or data to UE at last on the HS-PDSCH physical channel.If UE does not have special-purpose H-RNTI, UTRAN sends message by following flow process to UE: send out the paging indication of this UE earlier on the PICH channel, directly send message to UE on the HS-PDSCH channel then.
Accordingly, when UE receives data under the CELL_PCH state, if UE has special-purpose H-RNTI, UE monitors the PICH physical channel, after UE is receiving PICH channel paging indication, discovery has the paging to oneself, then receive the data of HS-SCCH channel again, H-RNTI by wherein when receiving the HS-SCCH channel judges whether this channel data issues oneself, if issue oneself then obtain HS-PDSCH physical channel relevant parameter, receive the data of HS-PDSCH channel at last from the HS-SCCH channel.If UE does not have special-purpose H-RNTI, then UE receives message: UE by following flow process and monitors the PICH channel earlier, receive the data on the PICH channel, UE judges if any the paging to this UE then, then UE receives the data on the HS-PDSCH channel according to the HS-PDSCH channel parameter information that provides in system broadcast message or the dedicated signaling notice.
When receiving the PICH channel, UE finds the paging indication of pointing to oneself according to system's predetermined algorithm, to judge whether to continue to receive follow-up HS-SCCH channel or HS-PDSCH channel; When receiving the HS-SCCH channel, judge by the H-RNTI that wherein carries whether this transmission sends to oneself, if send to oneself, just mean the HS-PDSCH channel that continues to receive the back.Thereby receive the process of PICH and HS-SCCH, the effect that these two processes all have notice UE to receive from UE.The PICH channel has been the effect of notice, and the HS-SCCH channel also carries HS-PDSCH and receives relevant configuration information except notice UE receives.The transmission of two channels has definite sequential relationship, presses the flow process of existing system, and these two processes take the time of 10ms at least, so the data transmit-receive time delay is bigger.
Summary of the invention
The invention provides the data transmission method under a kind of CELL_PCH state, to solve in existing third generation mobile system, under the CELL_PCH state, when UE has special-purpose H-RNTI, the problem that the data transmit-receive time delay is bigger.
Basic design of the present invention is if directly utilize the informing function of HS-SCCH channel, can improve the data transmission delay under the paging state greatly.
Based on above design, the invention provides the data transmission method under a kind of cell paging state, be applied to comprise the steps: in the third generation mobile system
When (1) universal mobile telecommunications system land radio access web UTRAN has data will send to user terminal UE under the cell paging state CELL_PCH, as distributing specialized high-speed DSCH Downlink Shared Channel Radio Network Temporary Identifier H-RNTI for this UE, the paging indication and the high speed down sharing physical channel HS-PDSCH channel that then send described UE on high-speed shared control channel HS-SCCH receive parameter, and send data to described UE on described HS-PDSCH channel;
(2) described UE directly monitors the HS-SCCH channel at discontinuous reception DRX cycle, as finds the paging indication of oneself, then utilizes corresponding HS-PDSCH channel to receive the data that parameter receives this channel.
The method of the invention, wherein, the paging of described UE indication is included as the dedicated H-RNTI that this UE distributes.
The method of the invention, wherein, in the step (2), after described UE has dedicated H-RNTI, judge according to the H-RNTI that carries on the HS-SCCH channel is whether identical with the dedicated H-RNTI of this UE whether this transmission is sent to this UE, as identical, then receive parameter according to described HS-PDSCH channel, on the HS-PDSCH channel, receive the described data that described UTRAN sends to UE.
Further, be not sent to this UE if UE judges described HS-SCCH transmission, then UE continues to wait for that next discontinuous reception DRX cycle arrives.
The method of the invention, wherein, in the step (1), if the UE that UTRAN will send under the CELL_PCH state of data does not have dedicated H-RNTI, then at first on Page Indication Channel PICH physical channel, send the paging indication, send described data on the HS-PDSCH channel, for then described UE.
Further, in the step (2), when the described UE that is under the CELL_PCH state received data, if UE does not have special-purpose H-RNTI, UE monitored the PICH channel earlier, found to have the efficient paging indication to this UE, received the described data on the HS-PDSCH channel then.
The method of the invention, wherein, in the step (2), described UE directly receives the data on the HS-SCCH channel, and the configuration information of described HS-SCCH channel is notified UE by UTRAN in system broadcast message or in the dedicated signaling.
The present invention is directed to a kind of data transmission method under the CELL_PCH state that the third generation mobile system proposes, when UE has special-purpose H-RNTI, replace the PICH channel with the HS-SCCH channel, be that UE does not need to receive the PICH channel in the DRX receiving cycle, and direct search HS-SCCH channel, compared with prior art, can effectively reduce propagation delay time, improve efficiency of transmission.
Description of drawings
Fig. 1 is embodiment of the invention UTRAN sends data to the UE under the CELL_PCH state a flow chart;
Fig. 2 is that the UE side joint is received data flowchart under the embodiment of the invention CELL_PCH state.
Embodiment
Below in conjunction with the drawings and specific embodiments technical scheme of the present invention is described in detail.
Cell paging state of the present invention refers to the CELL_PCH state in the existing system.Before the UE under the CELL_PCH state being sent data by the HS-DSCH channel, UTRAN determines that at first the CELL_PCH state sends data or the required configuration parameter of signaling by the HS-DSCH channel down, comprises the configuration of HS-SCCH channel, the configuration of HS-PDSCH channel, the configuration of PICH channel etc.These configuration parameters can be notified UE under the CELL_PCH state by cell system broadcast message or dedicated signaling.UTRAN can also distribute special-purpose H-RNTI for UE as required in dedicated signaling.The configuration parameter that other uses under the CELL_PCH state is identical with existing system as the configuration of DRX cycle etc.According to the method for the invention, under the CELL_PCH state, the PICH channel only is used for not having the UE of dedicated H-RNTI.
As shown in Figure 1, in the third generation mobile system, embodiment of the invention UTRAN comprises the steps: the flow process that the UE under the CELL_PCH state sends data
Wherein, described UTRAN sends to the data of UE, comprises the data that direct transfer, or signaling;
As shown in Figure 2, in the third generation mobile system, the UE side joint is received data flow under the embodiment of the invention CELL_PCH state, comprises the steps:
Step 201, DRX receives beginning;
Step 202, UE judges at first whether this UE has distributed special-purpose H-RNTI: if special-purpose H-RNTI is arranged, then change step 203, otherwise change step 207;
Step 203, UE directly receives the data on the HS-SCCH channel, and the configuration information of HS-SCCH channel is notified UE by UTRAN in system broadcast message or in the dedicated signaling;
Step 204 after the information on the UE reception HS-SCCH channel, judges whether the H-RNTI that carries among the HS-SCCH is identical with this UE dedicated H-RNTI, promptly judges whether to pointing to the message of this UE: if identical, then change step 205, otherwise change step 206;
Step 205, UE receives parameter according to the HS-PDSCH channel that provides among the HS-SCCH, receives the data on the corresponding HS-PDSCH channel on the reception sequential of in-system define, solves concrete message content;
Step 206, this DRX receives and finishes;
At this moment, UE waits for that the DRX receiving cycle arrives next time, or UE determines corresponding handling process according to the message among the HS-PDSCH.
Step 207, if UE does not have special-purpose H-RNTI, then UE is still by original flow process, UE monitors the PICH channel earlier, receives the paging indication on the PICH channel;
Step 208, UE judges whether the paging to this UE: if any, then change step 209, otherwise, step 206 changeed;
Step 209, UE receives the data on the HS-PDSCH channel according to the HS-PDSCH channel parameter information that provides in the broadcast, solves concrete message content, changes step 206 then.
The present invention has replaced the informing function of PICH channel with the informing function on the HS-SCCH channel, for the data transmit-receive of the UE under the CELL_PCH state has been saved flow process, can improve the data transmission delay under the paging state greatly, and the lifting that existing system is not brought complexity.
Scheme of the present invention is not restricted to listed utilization in specification and the execution mode.Concerning the technology of the present invention those of ordinary skill in the field, can make various corresponding changes and distortion according to the present invention, and all these corresponding changes and distortion all belong to the protection range of claim of the present invention.
Claims (7)
1. the data transmission method under the cell paging state is applied to it is characterized in that in the third generation mobile system, comprises the steps:
When (1) universal mobile telecommunications system land radio access web UTRAN has data will send to user terminal UE under the cell paging state CELL_PCH, as distributing specialized high-speed DSCH Downlink Shared Channel Radio Network Temporary Identifier H-RNTI for this UE, the paging indication and the high speed down sharing physical channel HS-PDSCH channel that then send described UE on high-speed shared control channel HS-SCCH receive parameter, and send data to described UE on described HS-PDSCH channel;
When (2) the described UE that is under the CELL_PCH state receives data, if UE has special-purpose H-RNTI, described UE directly monitors the HS-SCCH channel at discontinuous reception DRX cycle, as find the paging of oneself to indicate, then utilize corresponding HS-PDSCH channel to receive the data that parameter receives this channel.
2. method according to claim 1 is characterized in that, the paging indication of described UE is included as the dedicated H-RNTI that this UE distributes.
3. method as claimed in claim 1 or 2, it is characterized in that, in the step (2), after described UE has dedicated H-RNTI, judge according to the H-RNTI of the HS-SCCH channel that listens to is whether identical with the dedicated H-RNTI of this UE whether this transmission is sent to this UE, as identical, then receive parameter according to described HS-PDSCH channel, on the HS-PDSCH channel, receive the described data that described UTRAN sends to UE.
4. as method as described in the claim 3, it is characterized in that be not sent to this UE if UE judges described HS-SCCH transmission, then UE continues to wait for that next discontinuous reception DRX cycle arrives.
5. method according to claim 1, it is characterized in that, in the step (1), if the UE that UTRAN will send under the CELL_PCH state of data does not have dedicated H-RNTI, then at first on Page Indication Channel PICH physical channel, send the paging indication, send described data on the HS-PDSCH channel, for then described UE.
6. as method as described in the claim 5, it is characterized in that, in the step (2), when the described UE that is under the CELL_PCH state receives data, if UE does not have special-purpose H-RNTI, UE monitors the PICH channel earlier, finds to have the efficient paging indication to this UE, receives the described data on the HS-PDSCH channel then.
7. method according to claim 1 is characterized in that in the step (2), described UE directly receives the data on the HS-SCCH channel, and the configuration information of described HS-SCCH channel is notified UE by UTRAN in system broadcast message or in the dedicated signaling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101614725A CN101400026B (en) | 2007-09-24 | 2007-09-24 | Data transmission method under cell paging state |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2007101614725A CN101400026B (en) | 2007-09-24 | 2007-09-24 | Data transmission method under cell paging state |
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| CN101400026A CN101400026A (en) | 2009-04-01 |
| CN101400026B true CN101400026B (en) | 2011-04-20 |
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| CN2007101614725A Expired - Fee Related CN101400026B (en) | 2007-09-24 | 2007-09-24 | Data transmission method under cell paging state |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102577546A (en) * | 2009-08-14 | 2012-07-11 | 捷讯研究有限公司 | Methods and apparatus for controlling discontinuous reception |
| CN102123518B (en) * | 2010-01-08 | 2013-12-25 | 电信科学技术研究院 | Method and system for storing special identification of terminal |
| CN102148639B (en) * | 2010-02-10 | 2014-08-06 | 华为技术有限公司 | Data transmission method and system |
| CN102082638B (en) * | 2010-09-28 | 2013-06-05 | 电信科学技术研究院 | Method and equipment for sending and processing messages on high-speed shared control channel |
| CN102448025B (en) * | 2010-09-30 | 2015-07-08 | 华为技术有限公司 | Method and device for paging user equipment (UE) in Cell_PCH state |
| CN103260223A (en) * | 2012-02-17 | 2013-08-21 | 中兴通讯股份有限公司 | Method and system for power saving of user equipment (UE) |
| CN103378939B (en) | 2012-04-28 | 2016-09-28 | 电信科学技术研究院 | A kind of downlink data transmission method and device |
| WO2014146251A1 (en) * | 2013-03-19 | 2014-09-25 | 华为技术有限公司 | Control information indication method and device |
| US10034269B2 (en) * | 2016-04-18 | 2018-07-24 | Qualcomm Incorporated | Enhanced discontinuous reception design for a shared frequency band |
| CN110536286A (en) | 2018-05-25 | 2019-12-03 | 中兴通讯股份有限公司 | Data transmission method, device, base station, terminal and readable storage medium storing program for executing |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1856154A (en) * | 2005-04-19 | 2006-11-01 | 大唐移动通信设备有限公司 | Method for inquiring Co-shared channel capacity |
| CN101015141A (en) * | 2004-08-12 | 2007-08-08 | Lg电子株式会社 | Reception in dedicated service of wireless communication system |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101015141A (en) * | 2004-08-12 | 2007-08-08 | Lg电子株式会社 | Reception in dedicated service of wireless communication system |
| CN1856154A (en) * | 2005-04-19 | 2006-11-01 | 大唐移动通信设备有限公司 | Method for inquiring Co-shared channel capacity |
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