CN101330721A - Data indication method and system - Google Patents
Data indication method and system Download PDFInfo
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- CN101330721A CN101330721A CNA2007101115695A CN200710111569A CN101330721A CN 101330721 A CN101330721 A CN 101330721A CN A2007101115695 A CNA2007101115695 A CN A2007101115695A CN 200710111569 A CN200710111569 A CN 200710111569A CN 101330721 A CN101330721 A CN 101330721A
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Abstract
The invention provides a data indication method, wherein, a data indication mark is arranged on HS-SCCH by Node B, the data indication mark is used for indicating whether the data transmitted on HS-DSCH are new data or retransmitted data, and the Node B carries out the data transmission on the HS-DSCH. The method allows the subscriber to accurately identify the new data or the retransmitted data.
Description
Technical field
The present invention relates to field of wireless communication, and more specifically, relate to a kind of data indication method and system, it is particularly useful for using the situation of public H-RNTI decoding HS-SCCH.
Background technology
At present, 3GPP (3G (Third Generation) Moblie partnership) has finished the standardization effort that CELL_FACH state (sub-district _ forward access channel status) strengthens in WCDMA (Wideband Code Division Multiple Access (WCDMA) access) system.CELL_FACH state enhancement techniques makes it obtain less packet transfer delay and higher speed by introducing the packet data transmission performance that HS-DSCH (high-speed downlink shared transmission channel) transmission channel strengthens this state at the CELL_FACH state.In addition, the HS-DSCH transmission channel also has been incorporated into CELL_PCH (cell paging channel) state.
In the version before 3GPP REL-7, the HS-DSCH channel only uses under CELL_DCH (cell private channel) state.Scheduling by the HS-DSCH resource under the control of the newly-increased entity MAC-ehs (enhancing high speed media access control) among the Node B (Node B, base station) CELL_FACH, the CELL_PCH state.CELL_FACH, CELL_PCH state and CELL_DCH state are shared the resource pool of the HS-PDSCH (high-speed downstream Physical Shared Channel) in the sub-district, and out of Memory such as HS-SCCH (High-Speed Shared Control Channel), public H-RNTI (at a high speed-Radio Network Temporary Identifier), priority query etc. broadcast in system message.
A plurality of public H-RNTI are arranged in the sub-district, and UE (User Equipment) selects the method for H-RNTI to be: the index of selected H-RNTI=UE sign mod K, and wherein K is the number of H-RNTI in the public H-RNTI tabulation of system message broadcasting; For the UE of Idle (free time) state, the UE sign is the initial marking that UE carries in RRC (Radio Resource control) connection request message; For connection status UE, the UE sign is U-RNTI (UTRAN Radio Network Temporary Identifier).
Whether UE will support the ability information of HS-DSCH to send to RNC (radio network controller) by RRC connection request or cell update message is located.UE is after the Idle state sends the RRC connection request, if support HS-DSCH to receive, then UE will select a public H-RNTI according to the initial marking of oneself, use the signaling on the public H-RNTI decoding HS-SCCH, and according to the data on the reception of the indication on the HS-SCCH HS-PDSCH, after data are correctly decoded, finally need whether to one's name to come recognition data by the UE initial marking in the RRC message.After entering CELL_FACH or CELL_PCH state, if UE is not assigned to dedicated H-RNTI, UE will be by the signaling on the public H-RNTI decoding HS-SCCH, and, data are correctly decoded the back come recognition data whether to one's name by the U-RNTI (UTRAN Radio Network Temporary Identifier) among MAC-c (public medium access control) PDU (protocol Data Unit) according to the data on the reception of the indication on the HS-SCCH HS-PDSCH.Different with the CELL_DCH state is that UE does not need to carry out ascending HARQ (mixing automatic repeat requests) feedback.
RRC can be by reshuffling the H-RNTI that signaling is the UE configure dedicated of CELL_FACH or CELL_PCH state, and UE uses special-purpose H-RNTI to receive the HS-SCCH channel after possessing special-purpose H-RNTI.
Downlink signaling during Node B scheduling resource is carried on the HS-SCCH channel, and concrete signaling content as shown in Figure 1.Wherein, the resource of code channel and the gap information territory indication UE HS-PDSCH that need receive; The transformat of the data that modulation system and the indication of transport block length information field will receive; The HARQ process that this secondary data is used is handled in the indication of HARQ process number information field; RV version information territory indication redundancy version information; What new data indication (NDI) field was used to indicate ensuing HS-PDSCH channel is new data or data retransmission, if the NDI that receives than the preceding NDI on the same HARQ process saltus step has taken place, so next the UE data that will receive are new datas.
At present, NDI uses 1 bit information, and as shown in Figure 2, coded system is: the NDI on continuous 2 HS-SCCH in the front and back of pointing to same user, same HARQ process changes, being NDI becomes 1 or become at 0 o'clock by 1 by 0, and what ensuing HS-PDSCH channel was described is new data; What NDI did not change that next explanation transmit is data retransmission.
In the sub-district, public H-RNTI can corresponding a plurality of UE, but represent a particular user at H-RNTI of arbitrary moment of transfer of data.For Node B, a public H-RNTI is exactly a user who is scheduled, and it does not need to be concerned about concrete sometime corresponding which concrete user.For UE, after UE need be correctly decoded the data on the HS-PDSCH, whether to one's name to discern these data by the UE identification information of UE identification information in layer 3 signaling or layer 2MAC-cPDU (public medium access control protocol data cell) head.Before this, UE at first will use selected public H-RNTI decoding HS-SCCH channel.For the user who uses public H-RNTI, when initial the reception, can't obtain the whether information of saltus step of NDI, thereby can't obtain the information of new data/data retransmission from the new data indication field.Saltus step has taken place in the NDI that receives on same HARQ process up to UE, and just clear ensuing data will be new datas.Initially receiving between the NDI saltus step first from UE, may be once complete new data and retransmission processes thereof, also may be data retransmission.Owing to adopt the HARQ technology that merges decoding in the high speed descending grouping access system, retransmission data packet may must and new data and before the data that retransmit several times merge the back decoding and just can obtain high gain, thereby what need that UE identifies reception exactly is new data or data retransmission.
Like this, the problem that currently used public H-RNTI receives the technology existence of HS-SCCH is: UE is on each HARQ process, before detecting the NDI saltus step for the first time, can't discern new data and data retransmission, therefore UE can't determine how to handle, and this may cause loss of data or invalid decoding.
Summary of the invention
Consider the problems referred to above and make the present invention, for this reason, the present invention aims to provide a kind of data indication scheme when using public H-RNTI decoding HS-SCCH, and it can overcome or avoid the above-mentioned problems in the prior art.
According to the embodiment of the invention, provide a kind of data indication method when using public H-RNTI decoding HS-SCCH.
In the method: Node B is new data or data retransmission using the data sign to indicate these data of transmitting on the HS-SCCH on HS-DSCH.
Wherein, can use the value of data sign to indicate new data or data retransmission.Particularly, when the data sign was 0, designation data was a new data, and when the data sign was 1, designation data was a data retransmission; Perhaps, when the data sign was 1, designation data was a new data, and when the data sign was 0, designation data was a data retransmission.
In addition, in the method, after subscriber equipment uses public H-RNTI with the HS-SCCH decoding, judge that according to the data sign data of this transmission are new data or data retransmission, and carry out respective handling according to judged result.
Wherein, indicating the data of this transmission at the data sign is under the situation of new data, and subscriber equipment is replaced the data in the HARQ process buffering area of HS-SCCH appointment with new data.
The data of indicating this transmission at the data sign are for retransmitting under the data conditions, if the HARQ process of HS-SCCH appointment receives data for the first time, then subscriber equipment abandons data retransmission.
The data of indicating this transmission at the data sign are for retransmitting under the data conditions, if the data in the HARQ process buffering area of HS-SCCH appointment are not correctly decoded, then subscriber equipment merges the data in data retransmission and the HARQ process buffering area.If the data block length of data retransmission is different from the data block length of data in the HARQ process buffering area, then subscriber equipment is replaced data in the HARQ process buffering area with data retransmission.
According to the embodiment of the invention, also provide a kind of data indication mechanism when using public H-RNTI decoding HS-SCCH.
This system comprises: the data sign is provided with portion, is positioned at Node B side, is used at HS-SCCH the data sign being set, and the data sign is indicated these data of transmitting on HS-DSCH be new data or data retransmission; Data sign analysis unit, be positioned at user equipment side, after subscriber equipment used public H-RNTI with the HS-SCCH decoding, data sign analysis unit judged that according to the data sign data of this transmission are new data or data retransmission, and carries out respective handling according to judged result.
By such scheme of the present invention, than prior art, can solve the fuzzy problem of new data indication when using public H-RNTI to decode HS-SCCH, promptly, can eliminate the problem that to resolve new legacy data when utilizing public H-RNTI to receive the HS-DSCH data when user terminal just enters the sub-district, make that the user can accurate recognition new data or data retransmission.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the schematic diagram according to the HS-SCCH signaling content of prior art;
Fig. 2 is the schematic diagram of indicating new data/data retransmission on HS-SCCH according to prior art;
Fig. 3 is according to using the data sign to come the schematic diagram of the example of designation data in the method for the embodiment of the invention; And
Fig. 4 is the structural representation of the data indication mechanism when decoding HS-SCCH according to the public H-RNTI of the use of the embodiment of the invention.
Embodiment
At present, CELL_FACH, CELL_PCH strengthen also will be incorporated into TD-SCDMA (TD SDMA access) system, hereinafter, will be that example is introduced embodiments of the invention with the TD-SCDMA system.
Describe the embodiment of the invention in detail hereinafter with reference to accompanying drawing, wherein, provide following examples with provide to of the present invention comprehensively and thorough, rather than the present invention carried out any restriction.
Method embodiment
In this embodiment, provide a kind of data indication method when using public H-RNTI decoding HS-SCCH.
In this method according to present embodiment, Node B is provided with the data sign and (is similar to the NDI that mentions in the prior art on HS-SCCH, can be called new data indication etc., this does not influence essence of the present invention), the data sign is indicated these data of transmitting on HS-DSCH be new data or data retransmission; Afterwards, Node B carries out this transfer of data on HS-DSCH.
Wherein, above-mentioned data sign adopts fixing coded system, for example, can use the value of data sign to indicate new data or data retransmission.Particularly, when the data sign was 0, designation data was a new data, and when the data sign was 1, designation data was a data retransmission; Perhaps, when the data sign was 1, designation data was a new data, and when the data sign was 0, designation data was data retransmission (for example, Fig. 3 has provided the example schematic under this situation).Perhaps, also can adopt other modes to indicate, for example, when the data sign was N, designation data was a new data, and when the data sign was O, designation data was a data retransmission; Perhaps, when the data sign was N, designation data was a new data, and when the data sign was O, designation data was a data retransmission.
Obviously, to those skilled in the art,, can adopt different coded systems to realize the purpose of indication letter data or data retransmission to the data sign according to the needs of implementing.
After Node B has carried out transfer of data, can carry out subsequent treatment according to the data sign at receiving terminal, particularly, UE no longer need with this HARQ process on a HS-SCCH channel on NDI compare, on the contrary, after UE uses public H-RNTI with the HS-SCCH decoding, judge that according to the data sign data of this transmission are new data or data retransmission, and carry out respective handling according to judged result.
Particularly, indicating the data of this transmission at the data sign is under the situation of new data, and UE replaces the data in the HARQ process buffering area of HS-SCCH appointment with new data.
The data of indicating this transmission at the data sign are for retransmitting under the data conditions, if the HARQ process of HS-SCCH appointment receives data for the first time, then UE abandons data retransmission.
In addition, the data of indicating this transmission at the data sign are for retransmitting under the data conditions, if the data in the HARQ process buffering area of HS-SCCH appointment are not correctly decoded, then UE merges the data in data retransmission and the HARQ process buffering area.If the data block length of data retransmission is different from the data block length of data in the HARQ process buffering area, then UE replaces data in the HARQ process buffering area with data retransmission.
For example, the tentation data sign is 0 expression new data, is 1 expression data retransmission, then in above-mentioned processing:
When the data sign was 0, UE replaced the data in the HARQ process buffering area of HS-SCCH appointment with new data;
When the data sign was 1, if the HARQ process of HS-SCCH appointment receives data for the first time, then UE abandoned data retransmission;
When the data sign was 1, if the data in the HARQ process buffering area of HS-SCCH appointment are not correctly decoded, then UE merged the data in data retransmission and the HARQ process buffering area.If the data block length of data retransmission is different from the data block length of data in the HARQ process buffering area, then UE replaces data in the HARQ process buffering area with data retransmission.
Apparatus embodiments
In this embodiment, provide a kind of data indication mechanism when using public H-RNTI decoding HS-SCCH.
As shown in Figure 4, this system comprises: the data sign is provided with portion 402, is positioned at the NodeB side, is used at HS-SCCH the data sign being set, and the data sign is indicated these data of transmitting on HS-DSCH be new data or data retransmission; Data sign analysis unit 404, be positioned at user equipment side, after subscriber equipment used public H-RNTI with the HS-SCCH decoding, data sign analysis unit judged that according to the data sign data of this transmission are new data or data retransmission, and carries out respective handling according to judged result.
Above-mentioned data sign adopts fixing coded system, and for example, the data sign is provided with the value that portion 402 can use the data sign and indicates new data or data retransmission.Particularly, when the data sign was 0, designation data was a new data, and when the data sign was 1, designation data was a data retransmission; Perhaps, when the data sign was 1, designation data was a new data, and when the data sign was 0, designation data was data retransmission (for example, Fig. 3 has provided the example schematic under this situation).Perhaps, also can adopt other modes to indicate, for example, when the data sign was N, designation data was a new data, and when the data sign was O, designation data was a data retransmission; Perhaps, when the data sign was N, designation data was a new data, and when the data sign was O, designation data was a data retransmission.
Like this, by the technical scheme that provides more than the present invention, UE no longer need with this HARQ process on a HS-SCCH channel on NDI compare, just can judge that the data of this transmission are new data or data retransmission by the data sign.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. data indication method is characterized in that:
Node B is provided with the data sign on HS-SCCH, described data sign is indicated these data of transmitting on HS-DSCH be new data or data retransmission.
2. data indication method according to claim 1 is characterized in that, uses the value of described data sign to indicate new data or data retransmission.
3. data indication method according to claim 2 is characterized in that, when described data sign was 0, indicating described data was new datas, and when described data sign was 1, indicating described data was data retransmissions; Perhaps, when described data sign was 1, indicating described data was new datas, and when described data sign was 0, indicating described data was data retransmissions.
4. according to each described data indication method in the claim 1 to 3, it is characterized in that, after subscriber equipment uses public H-RNTI with described HS-SCCH decoding, judge that according to described data sign the described data of this transmission are new data or data retransmission, and carry out respective handling according to judged result.
5. data indication method according to claim 4, it is characterized in that, indicating the described data of this transmission at described data sign is under the situation of new data, and described subscriber equipment is replaced the data in the HARQ process buffering area of described HS-SCCH appointment with described new data.
6. data indication method according to claim 4, it is characterized in that, the described data of indicating this transmission at described data sign are for retransmitting under the data conditions, if the HARQ process of described HS-SCCH appointment receives described data retransmission for the first time, then described subscriber equipment abandons described data retransmission.
7. data indication method according to claim 4, it is characterized in that, the described data of indicating this transmission at described data sign are for retransmitting under the data conditions, if the data in the HARQ process buffering area of described HS-SCCH appointment are not correctly decoded, then described subscriber equipment merges the data in described data retransmission and the described HARQ process buffering area.
8. data indication method according to claim 7, it is characterized in that, if the data block length of described data retransmission is different from the data block length of data in the described HARQ process buffering area, then described subscriber equipment is replaced data in the described HARQ process buffering area with described data retransmission.
9. a data indication mechanism is characterized in that, comprising:
The data sign is provided with portion, is positioned at Node B side, is used at HS-SCCH the data sign being set, and described data sign is indicated these data of transmitting on HS-DSCH be new data or data retransmission; And
Data sign analysis unit, be positioned at user equipment side, after subscriber equipment uses public H-RNTI with described HS-SCCH decoding, described data sign analysis unit judges that according to described data sign the described data of this transmission are new data or data retransmission, and carries out respective handling according to judged result.
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| CNA2007101115695A CN101330721A (en) | 2007-06-19 | 2007-06-19 | Data indication method and system |
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| CNA2007101115695A CN101330721A (en) | 2007-06-19 | 2007-06-19 | Data indication method and system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101848490A (en) * | 2009-03-24 | 2010-09-29 | 三星电子株式会社 | In the mobile communication system according to the method for operation and the device of data duplicate retransmission |
| CN103873211A (en) * | 2012-12-10 | 2014-06-18 | 普天信息技术研究院有限公司 | HARQ retransmission and blind detection method |
| CN104993916A (en) * | 2009-03-24 | 2015-10-21 | 三星电子株式会社 | method and apparatus for processing date by terminal in mobile communication system |
| WO2016011706A1 (en) * | 2014-07-21 | 2016-01-28 | 华为技术有限公司 | Method and device for controlling data transmission, and base station |
| CN110737905A (en) * | 2019-09-19 | 2020-01-31 | 深圳市先河系统技术有限公司 | Data authorization method, data authorization device and computer storage medium |
| CN113364562A (en) * | 2015-01-23 | 2021-09-07 | Lg电子株式会社 | Method and apparatus for transceiving signals of D2D communication terminal in wireless communication system |
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2007
- 2007-06-19 CN CNA2007101115695A patent/CN101330721A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9985752B2 (en) | 2009-03-24 | 2018-05-29 | Samsung Electronics Co., Ltd. | Operating method and apparatus according to data duplicate retransmission in mobile communication system |
| US9166746B2 (en) | 2009-03-24 | 2015-10-20 | Samsung Electronics Co., Ltd. | Operating method and apparatus according to data duplicate retransmission in mobile communication system |
| CN104993916A (en) * | 2009-03-24 | 2015-10-21 | 三星电子株式会社 | method and apparatus for processing date by terminal in mobile communication system |
| CN101848490A (en) * | 2009-03-24 | 2010-09-29 | 三星电子株式会社 | In the mobile communication system according to the method for operation and the device of data duplicate retransmission |
| CN104993916B (en) * | 2009-03-24 | 2018-09-11 | 三星电子株式会社 | Method and apparatus for handling data by terminal in mobile communication system |
| US10476638B2 (en) | 2009-03-24 | 2019-11-12 | Samsung Electronics Co., Ltd. | Operating method and apparatus according to data duplicate retransmission in mobile communication system |
| US11088787B2 (en) | 2009-03-24 | 2021-08-10 | Samsung Electronics Co., Ltd. | Operating method and apparatus according to data duplicate retransmission in mobile communication system |
| CN103873211A (en) * | 2012-12-10 | 2014-06-18 | 普天信息技术研究院有限公司 | HARQ retransmission and blind detection method |
| CN103873211B (en) * | 2012-12-10 | 2017-06-16 | 普天信息技术研究院有限公司 | A kind of HARQ is retransmitted and blind checking method |
| WO2016011706A1 (en) * | 2014-07-21 | 2016-01-28 | 华为技术有限公司 | Method and device for controlling data transmission, and base station |
| CN113364562A (en) * | 2015-01-23 | 2021-09-07 | Lg电子株式会社 | Method and apparatus for transceiving signals of D2D communication terminal in wireless communication system |
| CN113364562B (en) * | 2015-01-23 | 2024-02-20 | Lg电子株式会社 | Method and apparatus for transceiving signal of D2D communication terminal in wireless communication system |
| CN110737905A (en) * | 2019-09-19 | 2020-01-31 | 深圳市先河系统技术有限公司 | Data authorization method, data authorization device and computer storage medium |
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