CN101237273B - Control method for HSDPA retransfer under non cell dedicated channel status - Google Patents
Control method for HSDPA retransfer under non cell dedicated channel status Download PDFInfo
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- CN101237273B CN101237273B CN2007100033397A CN200710003339A CN101237273B CN 101237273 B CN101237273 B CN 101237273B CN 2007100033397 A CN2007100033397 A CN 2007100033397A CN 200710003339 A CN200710003339 A CN 200710003339A CN 101237273 B CN101237273 B CN 101237273B
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Abstract
The invention relates to a retransmission control method corresponding to a HSDPA used under the state of a non-cell special channel, comprising the following steps that: a wireless network controller (1) packages control information corresponding to downstream data of a node B into an application part signaling of the node B, and the control information is transmitted to the node B by a signaling link; the node B (2) receives the control information and performs retransmission or non-retransmission according to the control information, wherein, the application part signaling at least comprises one among establishment signaling of a common transmission channel, reconfiguration signaling of the common transmission channel, audit request signaling, cell establishment signaling, cell reconfiguration signaling and physical shared channel reconfiguration signaling. The method informs the control information corresponding to the downstream data through the application part signaling of the node B, and the technical problem of avoidance of blind retransmission of the node B under the condition that an upstream is provided with no feedback channel under the mode of connection and under the state of the non-cell special channel and the node B is ignorant of any feedback information is solved.
Description
Technical field
The present invention relates to wireless communication system, be specifically related to a kind of high-speed downlink grouped data access characteristic that uses under non-cell private channel status and carry out the re-transmission controlling method that downlink data transmits correspondence under connection mode.
Background technology
Two basic manipulation modes of mobile terminal are idle pulley and connection mode.Wherein, connection mode can further be divided into four kinds of different states: (one) Universal Mobile Telecommunications System wireless access network registration area paging channel Universal mobile telecommunication system Radio access networkRegister area Paging Channel state, be called for short the URA_PCH state; (2) cell paging channel CELL Paging Channel state is called for short CELL_PCH; (3) cell forward access channel CELLForward Access Channel state is called for short CELL_FACH; (4) cell private channel CELLDedicated Channel state is called for short the CELL_DCH state.These states have further defined the physical channel of mobile terminal use and the kind of transmission channel.Non-under connection mode (four) cell private channel CELL_DCH state refers to other three kinds of states, i.e. CELL_FACH state, CELL_PCH state and URA_PCH state under connection mode.
In existing system, high-speed downlink grouped data access High Speed Downlink PacketAccess is called for short HSDPA, and its characteristic is only used under the CELL_DCH state.And in order to improve the performance of the data input and data output under non-cell private channel status under connection mode, also attempt to introduce under non-cell private channel status the HSDPA characteristic under connection mode.
In prior art, use the HSDPA characteristic under the CELL_DCH state, due to the up feedback channel that exists, after so Node B sends downlink data, can be according to up feedback, determine whether retransmit, the interval of re-transmission depends on and sends downlink data to the retransmission time interval length between up feedback, and the scheduling of Node B self.
And under connection mode under non-cell private channel status, due to up without any feedback channel, Node B is not known any feedback information, be merely able to blindly retransmit, thereby how to send downlink data and retransmit, be " introducing the HSDPA characteristic under connection mode under non-cell private channel status " use or better be applied to reality in the technical issues that need to address.
Summary of the invention
The technical issues that need to address of the present invention are to provide a kind of non-cell private channel status and use re-transmission controlling method corresponding to HSDPA, can avoid blindly retransmitting in the time of can making Node B introduce the HSDPA characteristic under non-cell private channel status under connection mode.
Above-mentioned first technical problem of the present invention solves like this, provide a kind of non-cell private channel status to use re-transmission controlling method corresponding to HSDPA, Node B uses HSDPA to send downlink data under connection mode under non-cell private channel status, comprise the following steps:
1.1) control information that radio network controller is corresponding with described downlink data is encapsulated in the node B application part signaling and by signaling link and passes to Node B; Described application part signalling comprises one or more in Common transport channel foundation, common transmission channel reconfiguration, audit request, residential quarter foundation, cell re-configuration and Physical Shared Channel reprovision signaling;
1.2) Node B (2) obtains and retransmit or do not retransmit corresponding downlink data according to this control information.
According to re-transmission controlling method provided by the invention, described non-cell private channel status refers to CELL_FACH state and or CELL_PCH state and or URA_PCH state.
According to re-transmission controlling method provided by the invention, described control information comprises the concrete kind of the source logic channel corresponding with described downlink data.
According to re-transmission controlling method provided by the invention, logic channel comprises following concrete kind logic channel:
Common Control Channel Common Control Channel is called for short CCCH
Dedicated Control Channel Dedicated Control Channel is called for short DCCH
Dedicated Traffic Channel Dedicated Traffic Channel is called for short DTCH
And, also possible, also comprise following logic channel:
Paging Control Channel Paging Control Channel is called for short PCCH
Broadcast Control Channel Broadcast Control Channel is called for short BCCH
According to re-transmission controlling method provided by the invention, described concrete kind comprises CCCH, DCCH, DTCH, PCCH or BCCH, like this can be according to the logic channel control of classifying, thus each logic of class channel is carried out independently Retransmission control separately.
According to re-transmission controlling method provided by the invention, the same class logic channel has a plurality of logic channels to exist, described control information also is included in the concrete numbering of the described logic channel in this concrete kind, can carry out independently Retransmission control separately to each logic channel in the same class logic channel like this.
According to re-transmission controlling method provided by the invention, described control information comprises the specific category of the radio bearer corresponding with described downlink data.
According to re-transmission controlling method provided by the invention, described radio bearer comprises:
The Signaling Radio Bearer of carrier signaling: comprise Signaling Radio Bearer 0, Signaling Radio Bearer 1, Signaling Radio Bearer 2, Signaling Radio Bearer 3, Signaling Radio Bearer 4, and, possible, comprise Signaling Radio Bearer 5 to 32;
Each business radio bearer of bearer service data.
According to re-transmission controlling method provided by the invention, described specific category comprises Signaling Radio Bearer classification and business radio bearer classification, can carry out independently Retransmission control separately to each class radio bearer like this.
According to re-transmission controlling method provided by the invention, the same class radio bearer has a plurality of radio bearers to exist, described control information also is included in the concrete numbering of the described radio bearer in this specific category, can carry out independently Retransmission control separately to each radio bearer in the same class radio bearer like this.
According to re-transmission controlling method provided by the invention, described control information comprises re-transmission time or number of retransmissions.
According to re-transmission controlling method provided by the invention, described re-transmission time or number of retransmissions can be 0, and Node B does not retransmit corresponding downlink data.
According to re-transmission controlling method provided by the invention, described re-transmission time or number of retransmissions are not 0, and Node B is by specifying re-transmission time or number of retransmissions requirement to retransmit corresponding downlink data.
According to re-transmission controlling method provided by the invention, retransmit in the described re-transmission time refers to how long be limited to and overtime after re-transmission time of stopping retransmitting.
According to re-transmission controlling method provided by the invention, when described control information comprises number of retransmissions, further comprise for surpassing the maximum limit that namely stops retransmitting and fixing time, namely carry out the re-transmission of corresponding number of times in this maximum limit is fixed time, also do not force to stop even completing the predetermined number of times re-transmission over maximum time.
A kind of non-cell private channel status provided by the invention uses re-transmission controlling method corresponding to HSDPA, and radio network controller makes Node B obtain this information by the control information of the corresponding downlink data of node B application part signaled.Thereby have a following obvious technique effect:
Node B can be controlled re-transmission by this information, has solved under connection mode under non-cell private channel status, and is up without any feedback channel, and Node B does not know that any feedback information situation lower node B avoids the technical problem that blindly retransmits.
Description of drawings
Further the present invention is described in detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is the schematic diagram of the specific embodiment one in the present invention.
Fig. 2 is the schematic diagram of the specific embodiment two in the present invention.
Fig. 3 is the schematic diagram of the specific embodiment three in the present invention.
Embodiment
As Fig. 1, the inventive method specific embodiment one comprises step:
110) radio network controller 1 is set up signaling or common transmission channel reconfiguration signaling by Common transport channel, will retransmit for the Signaling Radio Bearer of carrier signaling, and number of retransmissions is 1; These that do not retransmit for the business radio bearer of bearer service data retransmit relevant informations and inform to Node B 2, make Node B 2 obtain these information.
Wherein: not retransmitting can be by Node B 2 application part signalling implied expressions out, and as not carrying the Retransmission control information in the re-transmission situation in signaling, perhaps number of retransmissions is 0, and perhaps the re-transmission time is 0, thinks not retransmission information of implied expression Node B 2.
As Fig. 2, the inventive method specific embodiment two comprises step:
210) radio network controller 1 is set up signaling or cell re-configuration signaling by the residential quarter data in CCCH logic channel source is unconditionally retransmitted, and the re-transmission time is 200 milliseconds, informs to Node B 2, makes Node B 2 obtain these information.Mean that namely Node B 2 retransmits in 200 milliseconds after sending the initial data in CCCH logic channel source, stop retransmitting after 200 milliseconds.
As Fig. 3, the inventive method specific embodiment three comprises step:
310) radio network controller 1 by audit demand signalling or Physical Shared Channel reprovision signaling with CCCH, DCCH, the data in DTCH logic channel source unconditionally retransmit, number of retransmissions is to inform to Node B 2 for 2 times, with PCCH, the data in BCCH logic channel source do not retransmit informs to Node B 2, makes Node B 2 obtain this information.
Claims (9)
1. a non-cell private channel status uses re-transmission controlling method corresponding to HSDPA, and Node B (2) uses HSDPA to send downlink data under connection mode under non-cell private channel status, it is characterized in that, comprises the following steps:
1.1) control information that radio network controller (1) is corresponding with described downlink data is encapsulated in the node B application part signaling and by signaling link and passes to Node B (2); Described application part signalling is one or more in Common transport channel foundation, common transmission channel reconfiguration, audit request, residential quarter foundation, cell re-configuration and Physical Shared Channel reprovision signaling; The re-transmission relevant information has been indicated in the control information that downlink data is corresponding;
1.2) Node B (2) obtains this control information and retransmit or do not retransmit corresponding downlink data according to this control information;
Described control information comprises the concrete kind of the source logic channel corresponding with described downlink data, has been used to indicate the re-transmission relevant information.
2. re-transmission controlling method according to claim 1, is characterized in that, described non-cell private channel status refers to CELL_FACH state, CELL_PCH state or URA_PCH state.
3. re-transmission controlling method according to claim 1, is characterized in that, described concrete kind comprises CCCH, DCCH, DTCH, PCCH or BCCH.
4. re-transmission controlling method according to claim 1, is characterized in that, the same class logic channel has a plurality of logic channels to exist, and described control information also is included in the concrete numbering of the described logic channel in this concrete kind.
5. re-transmission controlling method according to claim 1, is characterized in that, described control information comprises the specific category of the radio bearer corresponding with described downlink data, has been used to indicate the re-transmission relevant information.
6. re-transmission controlling method according to claim 5, is characterized in that, described specific category comprises Signaling Radio Bearer classification and business radio bearer classification.
7. re-transmission controlling method according to claim 5, is characterized in that, the same class radio bearer has a plurality of radio bearers to exist, and described control information also is included in the concrete numbering of the described radio bearer in this specific category.
8. according to claim 1 or 5 described re-transmission controlling methods, is characterized in that, described control information also comprises re-transmission time or number of retransmissions; Described re-transmission time or number of retransmissions can be 0.
9. re-transmission controlling method according to claim 8, is characterized in that, when described control information comprises number of retransmissions, further comprises for surpassing the maximum limit that namely stops retransmitting and fixing time.
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| JP5271213B2 (en) * | 2009-09-14 | 2013-08-21 | 株式会社日立製作所 | Base station, terminal and radio communication system |
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| CN1719762A (en) * | 2004-07-09 | 2006-01-11 | 华为技术有限公司 | Data retransmission method based on high-speed down link data packet access technique |
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| CN1719762A (en) * | 2004-07-09 | 2006-01-11 | 华为技术有限公司 | Data retransmission method based on high-speed down link data packet access technique |
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Effective date of registration: 20170816 Address after: 274000, Shandong, Heze province peony Town, Huang Town, South Jin Zhuang administrative village, South Jin Zhuang village, No. 25 Patentee after: Song Qingzhen Address before: 518057 Nanshan District high tech Industrial Park, Guangdong, South Road, science and technology, ZTE building, legal department Patentee before: ZTE Corporation |
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