CN101400112A - Paging status data transmission method in TD-SCDMA system - Google Patents
Paging status data transmission method in TD-SCDMA system Download PDFInfo
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- CN101400112A CN101400112A CNA200710161466XA CN200710161466A CN101400112A CN 101400112 A CN101400112 A CN 101400112A CN A200710161466X A CNA200710161466X A CN A200710161466XA CN 200710161466 A CN200710161466 A CN 200710161466A CN 101400112 A CN101400112 A CN 101400112A
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Abstract
A data transmission method of paging state in a TD-SCDMA system, comprises: A. a higher level of universal mobile communication system land tetherless access network configurates configuration information in transmitting through a high speed down sharing channel HS-DSCH under paging state, wherein the configuration information informs user equipment UE under the paging state through district system broadcast or special signalling, and the configuration information includes the one of a paging indication channel PICH, a control channel of high speed down sharing channel HS-SCCH and a high speed down sharing physical channel HS-PDSCH, the channel being built on the main carrier of the district; B. the user equipment receives the information on the HS-DSCH in a period of discontiguously receiving DRX according to the configuration information. The invention inducts HS-DSCH channel under the paging state, builds relative channel with HS-DSCH on the main carrier, thereby effectively reducing transmission delay and avoiding increasing complexity of UE receiver.
Description
Technical field
The present invention relates to field of wireless communications, the data transmission method of paging state in particularly a kind of TD-SCDMA (Time Division-Synchronous Code Division Multiple Access, TD SDMA) system.
Background technology
WCDMA (Wideband Code Division Multiple Access, Wideband Code Division Multiple Access (WCDMA)) system has released the enhancement techniques under CELL_PCH (cell _ paging channel), URA_PCH (UTRAN Acceditation Area _ paging channel) state on based on HSDPA (High Speed Downlink Packet Access, high speed downlink packet insert) technical foundation.CELL_PCH, URA_PCH enhancement techniques are by introducing HS-DSCH (High-Speed DownlinkShared Channel at CELL_PCH, URA_PCH state, high speed descending sharing channel) transmission channel strengthens the data transmission performance of this state, make it obtain less propagation delay time and higher transmission rate, accelerate the speed of paging and downlink data transmission.
WCDMA is not before strengthening CELL_PCH and URA_PCH state, UTRAN (UMTS Terrestrial Radio Access Network, the universal mobile telecommunications system land radio access web) under CELL_PCH and URA_PCH state, can only be to UE (User Equipment, subscriber equipment) sends out beep-page message, UTRAN is at first at PICH (Paging Indicator Channel, Page Indication Channel) sends the paging indication on the channel, then at PCCH (Paging Control Channel, Paging Control Channel) sends beep-page message on the logic channel, this moment, the PCCH logic channel was mapped on PCH (the Paging Channel paging channel) transmission channel, and the PCH channel is mapped on S-CCPCH (Secondary Common Control Physical Channel, the auxiliary Common Control Channel) physical channel again.UE regularly monitors the PICH channel, if find to have the paging to oneself, then remove to receive corresponding PCH channel, otherwise UE does not receive the PCH channel, continues regularly to monitor the PICH channel.
WCDMA is after strengthening CELL_PCH and URA_PCH channel, if UE supports the CELL_PCH and the URA_PCH function of enhancing, the PCCH logic channel will no longer be mapped on the PCH transmission channel, but be mapped on the HS-DSCH transmission channel, the HS-DSCH transmission channel is mapped on HS-PDSCH (High Speed Physical Downlink Shared Channel, the high speed down sharing physical channel) physical channel again.UTRAN sends beep-page message then if paging UE at first sends the paging indication on PICH on the HS-DSCH transmission channel; If UE has special-purpose H-RNTI (HS-DSCH Radio Network Temporary Identifier, the Radio Network Temporary Identifier of HS-DSCH), then at first on PICH, send the paging indication, on HS-SCCH (shared control channel of Shared ControlChannel for HS-DSCH high speed descending sharing channel) channel, send the HS-PDSCH channel then and receive parameter, on the HS-DSCH channel, send beep-page message again.After UE regularly monitors the PICH channel and finds to have paging to oneself, no longer receive the PCH channel, but the beep-page message on the reception HS-DSCH channel.
Because a series of enhancement techniques of HS-DSCH itself, as scheduling, HARQ (Hybrid Automatic Repeat reQuest based on Node B (base station), mix automatic repeat requests) etc., can effectively improve data transfer rate, thereby will significantly improve the signaling delay under CELL_PCH, the URA_PCH state and improve message transmission rate after introducing HS-DSCH.At present TD-SCDMA (TimeDivision-Synchronous Code Division Multiple Access, TD SDMA) in the system, at CELL_PCH state and URA_PCH state, the PCH channel is still used in the transmission of beep-page message, propagation delay time is big, and transmission rate is low.Because WCDMA is a single-carrier system, and TD-SCDMA is a multicarrier system, the introducing pattern that therefore can not directly indiscriminately imitate WCDMA strengthens the CELL_PCH state and the URA_PCH state of TD-SCDMA system.
Summary of the invention
The technical problem to be solved in the present invention provides the data transmission method of paging state in a kind of TD-SCDMA system, reduces the transmission delay of this state, improves transmission rate.
For addressing the above problem, the present invention proposes the data transmission method of paging state in a kind of TD-SCDMA system, this transmission method may further comprise the steps:
A, configuration information when transmitting by high speed downlink shared channel HS-DSCH under the high-rise configuration of the universal mobile telecommunications system land radio access web UTRAN paging state, described configuration information is by the user equipment (UE) under cell system broadcast message or the dedicated signaling notice paging state, described configuration information comprises the control channel HS-SCCH of Page Indication Channel PICH, high speed descending sharing channel and the configuration information of high speed down sharing physical channel HS-PDSCH channel, and described channel all is based upon on the cell main carrier;
B, described subscriber equipment receives information on the described HS-DSCH channel according to described configuration information in discontinuous reception DRX cycle.
Further, said method also can have following characteristics, and the process that described subscriber equipment receives the information on the described HS-DSCH channel may further comprise the steps:
B1, described subscriber equipment is in paging state, paging receiving indicating channel PICH;
B2, described subscriber equipment judges that as the efficient paging indication to oneself is arranged on the Page Indication Channel as described in analyzing whether UTRAN is the Radio Network Temporary Identifier H-RNTI that oneself has distributed special-purpose high speed descending sharing channel, if distribute, carries out next step;
B3, described subscriber equipment receives high-speed shared control channel HS-SCCH, parses high speed down sharing physical channel HS-PDSCH and receives parameter, receives described HS-PDSCH channel then.
Further, said method also can have following characteristics, and described paging state comprises CELL_PCH state and URA_PCH state.
Further, said method also can have following characteristics, in the message pick-up process of described subscriber equipment on described HS-DSCH channel, does not mix automatic repeat requests HARQ feedback and channel quality indication CQI report.
Further, said method also can have following characteristics, among the step B2, described subscriber equipment then directly receives parameter according to the HS-PDSCH in the system broadcast message and receives the HS-PDSCH channel as judging the Radio Network Temporary Identifier that does not have to distribute for oneself special-purpose high speed descending sharing channel.
Further, said method also can have following characteristics, described subscriber equipment is retransmitted number of times and transport format information by configuration information, HS-PDSCH channel that system broadcast message or dedicated signaling obtain HS-PDSCH, HS-SCCH and PICH channel, and the configuration information of dedicated H-RNTI, the configuration information of each channel comprises: the incidence relation of the configuration of the frequency at each channel place, time slot, code channel and intermediate code, PICH channel and HS-PDSCH channel.
Further, said method also can have following characteristics, described subscriber equipment is regularly to receive described PICH channel by discontinuous reception DRX cycle, if wherein the efficient paging of this subscriber equipment is not indicated, then subscriber equipment finishes this paging receiving message cycle, waits for next receiving cycle.
Further, said method also can have following characteristics, UTRAN repeats to send HS-PDSCH according to the configuration parameter in the system broadcast message, subscriber equipment is then according to the repeating transmission number of times of HS-PDSCH channel in the system broadcast message, repeatedly receive the HS-PDSCH channel content, till correct demodulation or reaching the maximum retransmission of UTRAN.
Further, said method also can have following characteristics, described subscriber equipment is as judging the Radio Network Temporary Identifier that does not have to distribute for oneself special-purpose high speed descending sharing channel, according to the transport block length information in the system broadcast message HS-PDSCH channel is carried out blind decoding, receive relevant HS-PDSCH channel continuously according to the repeating transmission number of times information in the system broadcast message, up to decoding successfully, subscriber equipment judges by the customer equipment identification in the identification top signaling whether to one's name this send.
Further, said method also can have following characteristics, when described UTRAN wants calling user device, if this subscriber equipment does not have special-purpose H-RNTI, at first sends the paging indication on PICH, sends beep-page message then on the HS-DSCH transmission channel; If this subscriber equipment has special-purpose H-RNTI, then at first on PICH, send the paging indication, on the HS-SCCH channel, send the HS-PDSCH channel then and receive parameter, on the HS-DSCH channel, send beep-page message again.
The invention provides a kind of paging Enhancement Method based on multi-carrier TD-SCDMA system, under paging state, introduce the HS-DSCH channel, and the channel that HS-DSCH is relevant all is based upon on the main carrier, when effectively reducing propagation delay time, avoids increasing the complexity of UE receiver.
Description of drawings
Fig. 1 is CELL_PCH of the present invention, URA_PCH state paging flow chart.
Embodiment
The present invention describes the method that how to realize strengthening CELL_PCH and URA_PCH state under a kind of multi-carrier TD-SCDMA system." paging state " among the present invention refers to CELL_PCH, the URA_PCH state in the existing TD-SCDMA system.
Below in conjunction with drawings and Examples technical scheme of the present invention is described in detail.
Embodiment
Present embodiment provides a kind of multi-carrier TD-SCDMA system to use the method for HS-DSCH channel under CELL_PCH, URA_PCH state.
At network side, the configuration information when transmit by high speed downlink shared channel HS-DSCH under the high-rise configuration of the UTRAN paging state, described configuration information is notified user equipment (UE) under the paging state by cell system broadcast message or dedicated signaling.Described configuration information comprises PICH channel, the control channel (comprising the HS-SCCH channel) that HS-DSCH is relevant, reach the configuration information of HS-PDSCH channel, comprise the incidence relation of configuration, PICH channel and the HS-PDSCH channel of frequency, time slot, code channel and the intermediate code at each channel place.PICH channel, control channel and HS-PDSCH channel that HS-DSCH is relevant all are based upon on the cell main carrier.
At network side, UTRAN is to CELL_PCH, when the UE under the URA_PCH state sends message, logic channel is mapped on the HS-DSCH transmission channel, HS-DSCH is mapped to the HS-PDSCH channel on the main carrier in the sub-district, the DPCH that does not follow (Dedicated Physical Channel, DPCH) channel, wherein logic channel can comprise: the PCCH channel, CCCH (CommonControl Channel, Common Control Channel) channel, DCCH (Dedicated Control Channel, Dedicated Control Channel) channel, DTCH (Dedicated Traffic Channel, Dedicated Traffic Channel) channel.Whether its concrete transmission flow has dedicated H-RNTI to be divided into two kinds according to UE, identical with the WCDMA system, no longer repeats.
Network side is to determine link adaptation scheme to the measurement report that network side sends according to UE in up access procedure, comprises definite modulation system, transport block length, selection repeating transmission number of times etc.Wherein, up access comprises: RRC (Radio Resource Control, Radio Resource control) connection request process or cell updating course, comprise measurement result and the time slot interference sign indicating number power of UE in the described measurement report to beacon channel, described beacon channel is P-CCPCH (the Primary Common ControlPhysical Channel in the sub-district, Primary Common Control Physical Channel) channel, described measurement result is to report RNC (Radio Network Controller earlier by UE, radio network controller), send to relevant Node B by RNC by Iub interface again.If network side does not have the measurement report of UE or measurement report invalid, network side also can and be retransmitted number of times according to the fixing modulation system of selection of configuration, transport block length.
User equipment (UE) under the same existing system, paging state is all used DRX (DiscontinuousReception, discontinuous reception) and is received.
Before carrying out the HS-DSCH reception, the UE under the paging state need read relevant configuration information.Comprise DRX receiving cycle, the high-rise parameter channel configuration of notifying UE by cell system broadcast or dedicated signaling of network etc.UE can also obtain the configuration information of dedicated H-RNTI by dedicated signaling, also obtains the HS-PDSCH channel by system broadcast message and retransmits number of times and transformat, comprises the information of transport block length.UE receives information on the HS-DSCH channel according to the configuration information that obtains in discontinuous reception DRX cycle.
Fig. 1 shows the DRX receiving course under paging state of present embodiment, and in this process, the UE of CELL_PCH, URA_PCH state uses the HS-DSCH channel to receive.
UE intercepts the PICH channel at the DRX cycle of oneself, and when the PICH channel comprised with own relevant efficient paging indication, UE just carried out follow-up reception.
Sequential relationship between described HS-SCCH and the HS-PDSCH is arranged by agreement.
In the receiving course in this step, UE carries out blind decoding according to the transport block length information in the system broadcast message to the HS-PDSCH channel, receive relevant HS-PDSCH channel continuously according to the repeating transmission number of times information in the system broadcast message, up to decoding successfully, UE identifies by the UE in the identification top signaling and judges whether to one's name this send.
When not having special-purpose H-RNTI, the sequential relationship between described PICH and the HS-PDSCH is arranged by agreement.
In above-mentioned steps 150 and the step 160, UTRAN repeats to send HS-PDSCH according to the configuration parameter in the system broadcast message, to guarantee the accurate reception of UE.UE then according to the repeating transmission number of times of HS-PDSCH channel in the system broadcast message, repeatedly receives HS-PDSCH, till demodulation that can be correct or reaching the maximum retransmission of UTRAN.UE does not need to feed back HARQ affirmation and CQI (Channel Quality Indicator, channel quality indication) indication in DRP data reception process.
DRX receive finish after, UE begins to wait for the arrival of DRX receiving cycle next time, or UE is moved to other state and carried out up feedback etc.
The present invention is directed to the paging state that multi-carrier TD-SCDMA system proposes, be that CELL_PCH, URA_PCH state use in the HS-DSCH channel transmission data method, consider that the PICH channel is a broadcast channel, only on main carrier, exist, for fear of the complexity that increases the UE receiver, the HSDPA channel under these two states all is based upon on the main carrier; The UE of these two states does not have up activity, thereby does not require and carry out HARQ feedback and CQI report, and network side carries out link adaptation according to RACH (RandomAccess Channel, Random Access Channel) measurement result; HS-PDSCH physical channel resources described in the present invention, HS-SCCH channel resource can be shared the HSDPA resource in the whole sub-district with the UE under CELL_DCH (CELL _ DCH), CELL_FACH (sub-district _ forward access channel) state.By the method for the invention, the HS-DSCH channel can be used for the PCH state, very limited to the increase of the complexity of UE, simple possible.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (10)
1, the data transmission method of paging state in a kind of TD-SCDMA system is characterized in that this transmission method may further comprise the steps:
A, configuration information when transmitting by high speed downlink shared channel HS-DSCH under the high-rise configuration of the universal mobile telecommunications system land radio access web UTRAN paging state, described configuration information is by the user equipment (UE) under cell system broadcast message or the dedicated signaling notice paging state, described configuration information comprises the control channel HS-SCCH of Page Indication Channel PICH, high speed descending sharing channel and the configuration information of high speed down sharing physical channel HS-PDSCH channel, and described channel all is based upon on the cell main carrier;
B, described subscriber equipment receives information on the described HS-DSCH channel according to described configuration information in discontinuous reception DRX cycle.
2, the method for claim 1 is characterized in that, the process that described subscriber equipment receives the information on the described HS-DSCH channel may further comprise the steps:
B1, described subscriber equipment is in paging state, paging receiving indicating channel PICH;
B2, described subscriber equipment judges that as the efficient paging indication to oneself is arranged on the Page Indication Channel as described in analyzing whether UTRAN is the Radio Network Temporary Identifier H-RNTI that oneself has distributed special-purpose high speed descending sharing channel, if distribute, carries out next step;
B3, described subscriber equipment receives high-speed shared control channel HS-SCCH, parses high speed down sharing physical channel HS-PDSCH and receives parameter, receives described HS-PDSCH channel then.
3, method as claimed in claim 1 or 2 is characterized in that, described paging state comprises CELL_PCH state and URA_PCH state.
4, method as claimed in claim 1 or 2 is characterized in that, in the message pick-up process of described subscriber equipment on described HS-DSCH channel, does not mix automatic repeat requests HARQ feedback and channel quality indication CQI report.
5, method as claimed in claim 2, it is characterized in that, among the step B2, described subscriber equipment then directly receives parameter according to the HS-PDSCH in the system broadcast message and receives the HS-PDSCH channel as judging the Radio Network Temporary Identifier that does not have to distribute for oneself special-purpose high speed descending sharing channel.
6, method as claimed in claim 1 or 2, it is characterized in that, described subscriber equipment is retransmitted number of times and transport format information by configuration information, HS-PDSCH channel that system broadcast message or dedicated signaling obtain HS-PDSCH, HS-SCCH and PICH channel, and the configuration information of dedicated H-RNTI, the configuration information of each channel comprises: the incidence relation of the configuration of the frequency at each channel place, time slot, code channel and intermediate code, PICH channel and HS-PDSCH channel.
7, method as claimed in claim 2, it is characterized in that, described subscriber equipment is regularly to receive described PICH channel by discontinuous reception DRX cycle, if wherein the efficient paging of this subscriber equipment is not indicated, then subscriber equipment finishes this paging receiving message cycle, waits for next receiving cycle.
8, method as claimed in claim 6, it is characterized in that, UTRAN repeats to send HS-PDSCH according to the configuration parameter in the system broadcast message, subscriber equipment is then according to the repeating transmission number of times of HS-PDSCH channel in the system broadcast message, repeatedly receive the HS-PDSCH channel content, till correct demodulation or reaching the maximum retransmission of UTRAN.
9, as claim 2 or 8 described methods, it is characterized in that, described subscriber equipment is as judging the Radio Network Temporary Identifier that does not have to distribute for oneself special-purpose high speed descending sharing channel, according to the transport block length information in the system broadcast message HS-PDSCH channel is carried out blind decoding, receive relevant HS-PDSCH channel continuously according to the repeating transmission number of times information in the system broadcast message, up to decoding successfully, subscriber equipment judges by the customer equipment identification in the identification top signaling whether to one's name this send.
10, the method for claim 1 is characterized in that, when described UTRAN wants calling user device, if this subscriber equipment does not have special-purpose H-RNTI, at first sends the paging indication on PICH, sends beep-page message then on the HS-DSCH transmission channel; If this subscriber equipment has special-purpose H-RNTI, then at first on PICH, send the paging indication, on the HS-SCCH channel, send the HS-PDSCH channel then and receive parameter, on the HS-DSCH channel, send beep-page message again.
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| CN200710161466XA CN101400112B (en) | 2007-09-24 | 2007-09-24 | Paging status data transmission method in TD-SCDMA system |
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| CN200710161466XA CN101400112B (en) | 2007-09-24 | 2007-09-24 | Paging status data transmission method in TD-SCDMA system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102448025A (en) * | 2010-09-30 | 2012-05-09 | 华为技术有限公司 | Method and device for paging user equipment (UE) in Cell_PCH state |
| CN102833734A (en) * | 2011-06-14 | 2012-12-19 | 普天信息技术研究院有限公司 | Method for transmitting paging message |
| 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) |
| CN104796223A (en) * | 2009-05-07 | 2015-07-22 | 高通股份有限公司 | Method and apparatus for processing blind decoding results in a wireless communication system |
| CN108352959A (en) * | 2015-11-06 | 2018-07-31 | 摩托罗拉移动有限责任公司 | Method and device for low delay transmission |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1925360B (en) * | 2005-09-02 | 2010-12-08 | 大唐移动通信设备有限公司 | Method for distribution of terminal wireless resources in time-division duplex system |
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2007
- 2007-09-24 CN CN200710161466XA patent/CN101400112B/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104796223A (en) * | 2009-05-07 | 2015-07-22 | 高通股份有限公司 | Method and apparatus for processing blind decoding results in a wireless communication system |
| CN104796223B (en) * | 2009-05-07 | 2019-05-14 | 高通股份有限公司 | Method and apparatus for handling blind decoding results in a wireless communication system |
| CN102448025A (en) * | 2010-09-30 | 2012-05-09 | 华为技术有限公司 | Method and device for paging user equipment (UE) in Cell_PCH state |
| US20130250883A1 (en) * | 2010-09-30 | 2013-09-26 | Huawei Technologies Co., Ltd. | Method and Apparatus for Paging User Equipment in Cell_PCH State |
| CN102833734A (en) * | 2011-06-14 | 2012-12-19 | 普天信息技术研究院有限公司 | Method for transmitting paging message |
| 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) |
| CN108352959A (en) * | 2015-11-06 | 2018-07-31 | 摩托罗拉移动有限责任公司 | Method and device for low delay transmission |
| CN108352959B (en) * | 2015-11-06 | 2021-12-28 | 摩托罗拉移动有限责任公司 | Method and apparatus for low latency transmission |
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| CN101400112B (en) | 2012-05-09 |
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