CN101159902A - Time slot configuration method of carrier cell dedicated for multimedia broadcasting multicast system - Google Patents
Time slot configuration method of carrier cell dedicated for multimedia broadcasting multicast system Download PDFInfo
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- CN101159902A CN101159902A CNA2007101653768A CN200710165376A CN101159902A CN 101159902 A CN101159902 A CN 101159902A CN A2007101653768 A CNA2007101653768 A CN A2007101653768A CN 200710165376 A CN200710165376 A CN 200710165376A CN 101159902 A CN101159902 A CN 101159902A
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Abstract
The invention discloses a time slot configuration method for special MBMS carrier wave, which includes a node B configuration and a terminal configuration. Firstly, in wireless resources control information and/or system broadcasting information sent by RNC to cells, configure a primary common control physical channel bearing the system broadcasting information, an auxiliary common control physical channel and a MBMS indicating channel bearing MBMS control channel on a short time slot, and configure the auxiliary common control physical channel bearing MBMS business channel on a common time slot; in the node B application protocol information sent by RNC to the node B, configure the primary common control physical channel and the MBMS indicating channel on the short time slot and configure the auxiliary common control physical channel on the common time slot; after receiving the information, the terminal and the node B configure corresponding time slots respectively. The invention facilitates network side and UE to send out MBMS control signaling and business information on improved frame structure.
Description
Technical field
The present invention relates to field of wireless communication, relate in particular to (Time DivisionSynchronization Code Division Multiple Access at TD-SCDMA, the TD SDMA access) in the system, the time-slot configuring method of carrier cell dedicated for multimedia broadcasting multicast system.
Background technology
The MBMS of TD-SCDMA (multimedia broadcasting and multicast) special carrier technology passes in 3GPP (third generation partner program) meeting, the MBMS business only is provided on this special carrier, the spectrum efficiency of MBMS has obtained raising under this structure, but this scheme is based on existing frame structure, as shown in Figure 1, be not suitable for bigger cell transmission, and spectrum efficiency neither be very high.Requirement for the big cell networking that satisfies the MBMS of operator broadcasting, obtain higher spectrum efficiency, guarantee UE (user equipment, mobile subscriber equipment) the MBMS quality of service under the high-speed mobile, at present, frame structure for TD-SCDMA improves, and this frame structure is applicable to the MBMS special carrier.
After having carried out simple improvement for frame structure shown in Figure 1, go for the MBMS special carrier, its main feature is: all time slots all are used for downlink transfer and do not have ascending time slot; 3 special time slot (protection between descending pilot frequency time slot DwPTS, uplink pilot time slot UpPTS, the up-downgoing is GP at interval) free time do not send any data; Each common time slot still adopts midamble (intermediate code) to carry out channel estimating.
In order further to improve the spectrum efficiency of special carrier carrying MBMS business, frame structure for TD-SCMDA has carried out improving further, it mainly improves: 3 special time slots are merged into a crack (MBMS special burst in short-term, be called for short MS burst), be used to carry MBMS control signaling and system broadcast message etc., with other 7 common time slots (Time slot=0 ... 6, MBMStraffic burst is called for short MT burst) carrying MBMS business information; And adopt Preamble (leading) sign indicating number to replace the Midamble sign indicating number and carry out channel estimating, promptly each common time slot comprises lead code and data symbol front and back two parts.At present, disclosed new improvement frame structure as shown in Figure 2, its main feature is:
(1) all time slots all are descending, all are used for downlink transfer;
(2) do not protect (GP) at interval between the time slot; The switching point that does not have uplink and downlink timeslot;
(3) 3 special time slots (DwPTS, UpPTS, GP) are merged into a crack in short-term;
On a TD-SCDMA subframe, comprise 7 common time slots and 1 crack in short-term;
The crack is used to carry sub-district public control signaling and system broadcast message and paging indication information etc. in short-term, comprise particularly: the control information of MBMS business, as: MCCH (MBMS control channel), MICH (MBMS indicating channel) etc., and system broadcast message etc.;
Common time slot is used to carry the Traffic Channel (MTCH, MBMS traffic channel) of MBMS;
Adopt Preamble sign indicating number (lead code) to replace midamble (centre) sign indicating number and carry out channel estimating, be used for protection and isolation between time slot with CP (cyclic sequence) replacement GP.
Frame structure after improving like this, spectrum efficiency is higher, also supports the big zone of MBMS business to cover.Frame structure after this improvement, the sub-district that only is used to carry the MBMS special carrier, the common time slot of all of this sub-district all is used to carry the MBMS business.In the present invention, sub-district on the MBMS special carrier is exactly MBSFN pattern (MBSFN mode:Transmission mode where a set ofsynchronized cells transmit exactly the same data for provision of MBMSservice, the MBMS business of transmission identical data in some synchronized cells) sub-district, the MBMS business is only carried in this sub-district.
The problem that exists is at present, many variations have taken place in the TD-SCDMA frame structure on the MBMS special carrier, particularly the time slot of beared information (control information and business information) no longer is 7, but 8 (wherein the MBMS of crack carrying in short-term controls time slot, MS burst).Correspondingly, in high-level signaling, also should correspondingly make amendment, can on the frame structure after this improves, send MBMS control signaling and business information with network enabled side (comprising radio network controller and Node B) and UE.
Summary of the invention
The technical problem to be solved in the present invention provides the carrier cell dedicated time-slot configuring method of a kind of MBMS, be applicable to the TD-SCDMA system, realize the carrier cell dedicated configuration of time slot in high-level signaling of MBMS, make network side and UE can support improved MBMS frame structure.
In order to address the above problem, the invention provides a kind of time-slot configuring method of multimedia broadcast/multicast system MBMS special carrier, be applicable to TD-SCDMA system, it is characterized in that, comprising:
A, send in the radio resource control information and/or system broadcast message of sub-district at radio network controller, the auxiliary publish control physical channel of the Primary Common Control Physical Channel of bearing system broadcast, carrying MBMS control channel and MBMS indicating channel are configured in short-term on the crack, and the auxiliary publish control physical channel that will carry the MBMS Traffic Channel is configured on the common time slot;
Send in the Node B application protocol message of Node B at radio network controller, Primary Common Control Physical Channel and MBMS indicating channel are configured in short-term on the crack, auxiliary publish control physical channel is configured on the common time slot;
Terminal in B, the sub-district and Node B are distinguished the corresponding configuration time slot after receiving described message.
Further, described step B comprises:
After terminal in the sub-district received above-mentioned radio resource control information and/or system broadcast message, configuration MBMS Traffic Channel on common time slot was disposing MBMS control channel and/or MBMS indicating channel on the crack in short-term, and the system broadcast message control channel;
After Node B receives above-mentioned Node B application protocol message, Primary Common Control Physical Channel and MBMS indicating channel are configured in short-term on the crack, auxiliary publish control physical channel is configured on the common time slot.
Further, in the steps A:
The radio resource control information that described radio network controller sends to the sub-district comprises MBMS general notification message, MBMS P-T-M wireless loading notification message; The system broadcast message that described radio network controller sends to the sub-district comprises: system broadcast message 5.
Further, in the steps A:
The Node B application protocol message that described RNC sends to Node B comprises that request message is set up in the sub-district, cell re-configuration puts request message and Common transport channel is set up request message.
The present invention also provides a kind of multimedia broadcast/multicast system MBMS the carrier cell dedicated time-slot configuring method of going up terminal, is applicable to TD-SCDMA system, it is characterized in that, comprising:
A, send in the MBMS carrier cell dedicated radio resource control information and/or system broadcast message at radio network controller, the auxiliary publish control physical channel of the Primary Common Control Physical Channel of bearing system broadcast, carrying MBMS control channel and MBMS indicating channel are configured in short-term on the crack, and the auxiliary publish control physical channel that will carry the MBMS Traffic Channel is configured on the common time slot;
After portable terminal in B, the sub-district was received described message, configuration MBMS Traffic Channel on common time slot was disposing MBMS control channel and/or MBMS indicating channel and system broadcast message control channel on the crack in short-term.
Further, in the steps A:
The radio resource control information that described radio network controller sends to the sub-district comprises MBMS general notification message, MBMS P-T-M wireless loading notification message; The system broadcast message that described radio network controller sends to the sub-district comprises: system broadcast message 5.
Further, each 5 milliseconds of subframe of MBMS special carrier comprise 7 common time slots, and its time slot is numbered 0～6; Also comprise 1 crack in short-term, its time slot is numbered 7.
The present invention also provides a kind of multimedia broadcast/multicast system MBMS the carrier cell dedicated time-slot configuring method of going up Node B, is applicable to TD-SCDMA system, it is characterized in that, comprising:
A, send in the Node B application protocol message of the carrier cell dedicated Node B of MBMS at radio network controller, Primary Common Control Physical Channel and MBMS indicating channel are configured in short-term on the crack, auxiliary publish control physical channel is configured on the common time slot;
After B, Node B are received described message, Primary Common Control Physical Channel and MBMS indicating channel are configured in short-term on the crack, auxiliary publish control physical channel is configured on the common time slot.
Further, in the steps A:
The Node B application protocol message that described RNC sends to Node B comprises that request message is set up in the sub-district, cell re-configuration puts request message and Common transport channel is set up request message.
Further, each 5 milliseconds of subframe of MBMS special carrier comprise 7 common time slots, and its time slot is numbered 0～6; Also comprise 1 crack in short-term, its time slot is numbered 7.
The solution of the present invention is made amendment to high-level signaling, makes its network enabled side (comprising radio network controller and Node B) and UE can send MBMS control signaling and business information on the frame structure after the improvement.
Description of drawings
Fig. 1 is the frame structure schematic diagram on the common carrier wave in the prior art;
Fig. 2 is the frame structure schematic diagram on the MBMS special carrier in the prior art;
Fig. 3 is the concrete implementing procedure figure of the carrier cell dedicated time-slot configuring method of MBMS of the present invention;
Fig. 4 is the schematic flow sheet of application example one of the present invention;
Fig. 5 is the schematic flow sheet of application example two of the present invention.
Embodiment
Below in conjunction with drawings and Examples technical scheme of the present invention is described in detail.
The present invention proposes the carrier cell dedicated time-slot configuring method of a kind of MBMS, be applicable to the TD-SCDMA system; In this system, have 8 time slots on carrier cell dedicated each the 5ms subframe of MBMS, comprise 7 common time slots (MT burst) and 1 crack (MS burst) in short-term; Explanation hereinafter for convenience, the time-gap number (Timeslot number) of regulation special carrier is 0～7, wherein time-gap number 0～6 is common time slot, time-gap number 7 be crack in short-term.
The carrier cell dedicated time-slot configuring method of described MBMS comprises as shown in Figure 3:
A1, when RNC (radio network controller) is the time slot of the carrier cell dedicated UE configuration public physic channel of MBMS, send in the carrier cell dedicated RRC of MBMS (Radio Resource control) message and/or the system broadcast message at RNC, Primary Common Control Physical Channel (P-CCPCH) with the bearing system broadcast, the auxiliary publish control physical channel (S-CCPCH) of carrying MBMS control channel (MCCH) and MBMS indicating channel physical channels such as (MICH) are configured in short-term on crack (time-gap number is 7), and the S-CCPCH that will carry MBMS Traffic Channel (MTCH) is configured in (time-gap number is 0～6) on 7 common time slots;
Described RNC sends to the carrier cell dedicated RRC of MBMS (Radio Resource control) message and comprises MBMS general notification message (MBMS GENERAL INFORMATION), MBMS P-T-M wireless loading notification message (MBMS COMMON P-T-M RB INFORMATION) etc.; The system broadcast message that described RNC sends to the sub-district comprises: system broadcast message 5 (SIB 5) etc.
A2, when RNC is the time slot of the carrier cell dedicated Node B (Node B) of MBMS configuration public physic channel, send in NBAP (Node B application protocol) message of Node B at RNC, P-CCPCH and MICH are configured in short-term on crack (time-gap number is 7), and S-CCPCH is configured on 7 common time slots (time-gap number is 0～6);
NBAP (Node B application protocol) message that described RNC sends to the carrier cell dedicated Node B of MBMS comprises: request message (CELL SETUP REQUEST) is set up in the sub-district, cell re-configuration puts request message (CELL RECONFIGURATION REQUEST) and Common transport channel is set up request message (COMMON TRANSPORT CHANNEL SETUP REQUEST) etc.
A1 and A2 be order in no particular order.
B, UE and Node B are distinguished the corresponding configuration time slot after receiving described message, are specially:
After UE during B1, MBMS are carrier cell dedicated receives above-mentioned RRC message and/or system broadcast message, on common time slot, dispose MTCH, control channel and/or the indicating channel of configuration MBMS on crack in short-term, and BCCH (system broadcast message control channel).
After B2, Node B receive above-mentioned NBAP message, P-CCPCH and MICH are configured in short-term on the crack, S-CCPCH is configured on 7 common time slots.
B1 and B2 be order in no particular order.
The present invention also provides a kind of MBMS the time-slot configuring method of the carrier cell dedicated UE of going up, comprises A1 and B1 in the above-mentioned steps; The present invention also provides a kind of MBMS the time-slot configuring method of the carrier cell dedicated Node B of going up, comprises A2 and B2 in the above-mentioned steps.
Further be illustrated with two application examples of the present invention below.
The number of time slot of the public physic channel on application example one, the MBMS special carrier is 8, that is: Timeslot number=Integer (0..7), and wherein integer=(0..6) is used for MT burst, and integer=7 is used for MS burst;
Aloft on the interface (Uu interface), what increase newly is applicable to that the carrier cell dedicated time slot configuration of MBMS is as shown in table 1.
The time slot configuration of table one, MBMS special carrier
| Information Element/Group?name | ?Need | ?Multi | ?Type?and ?reference | Semantics description | ?Version |
| ＞1.28?Mcps?TDD MBSFN?only | |||||
| ＞＞Timeslot?number | ?MP | ?Integer(0. ?.7) | Timeslot within a subframe, integer=(0..6) is used for MT burst; Integer=7 is used for MC burst | ?REL-7 |
As shown in Figure 4, during public physic channel on system broadcast message 5 (SIB5) configuration/reconfiguration MBMS special carrier, in the information unit (IE) " Secondary CCPCH infoMBMS " of this message, the time slot configuration of S-CCPCH physical channel of carrying MCCH at Timeslotnumber=7, promptly is configured in short-term on the crack (MS burst); UE in the sub-district receives relevant information unit among the SIB 5, is then receiving the relevant S-CCPCH channel of MCCH on the crack in short-term.
In RNC sends to IE " MICH configuration information " in the carrier cell dedicated MBMS general notification message " MBMSGENERAL INFORMATION " of MBMS, the time slot configuration of MICH at Timeslot number=7, promptly is configured in short-term on the crack (MS burst); UE in the sub-district receives relevant information unit in this message, is then receiving the MICH physical channel on the crack in short-term.
In RNC sends to IE " Secondary CCPCH infoMBMS " in the public P-T-M wireless loading notification message of MBMS (MBMSCOMMON P-T-M RB INFORMATION) of sub-district, the time slot configuration of S-CCPCH physical channel of carrying MTCH in Timeslotnumber=0～6, promptly is configured in (MT burst) on the common time slot; UE in the sub-district receives relevant information unit in this message, then receives the MTCH physical channel on common time slot.
The number of time slot of the public physic channel on application example two, the MBMS special carrier is 8, that is: Timeslot number=Integer (0..7), and wherein integer=(0..6) is used for MT burst, and integer=7 is used for MS burst; On Iub interface, the number of time slot of physical channel is revised as shown in table 2.
Table 2: low spreading rate time slot
| ?IE/Group?Name | ?Presence | ?Range | ?IE?Type?and?Reference | Semantics?Description |
| ?Time?Slot?LCR | ?INTEGER(0..7) | Integer(0..6)MT?burst. integer＝7?MC?burst |
The quantity of communication time slot in 5 milliseconds of subframes that low spreading rate time slot (Time Slot LCR) is a low spreading rate tdd systems.
As shown in Figure 5, setting up request message and cell re-configuration in the sub-district that RNC sends to NodeB puts in the request message and P-CCPCH to be configured in time-gap number 7 (Time slot LCR=7);
The Common transport channel that sends to the carrier cell dedicated Node B of MBMS at RNC is set up in the request message, MICH is configured in time-gap number 7 (Time slot LCR=7), and S-CCPCH is configured in Timeslot slot LCR=0, ... .7, be that S-CCPCH is configured in 7 common time slots (MTburst) and 1 in short-term on crack (MS burst), this is that the mapping S-CCPCH that has (time-gap number 0～6) is to MTCH because the S-CCPCH (time-gap number 7) that has is mapped on the MCCH;
After Node B receives related news from RNC, P-CCCH and S-CCPCH and MICH are configured on the time slot corresponding.
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 time-slot configuring method of a multimedia broadcast/multicast system MBMS special carrier is applicable to TD-SCDMA system, it is characterized in that, comprising:
A, send in the radio resource control information and/or system broadcast message of sub-district at radio network controller, the auxiliary publish control physical channel of the Primary Common Control Physical Channel of bearing system broadcast, carrying MBMS control channel and MBMS indicating channel are configured in short-term on the crack, and the auxiliary publish control physical channel that will carry the MBMS Traffic Channel is configured on the common time slot;
Send in the Node B application protocol message of Node B at radio network controller, Primary Common Control Physical Channel and MBMS indicating channel are configured in short-term on the crack, auxiliary publish control physical channel is configured on the common time slot;
Terminal in B, the sub-district and Node B are distinguished the corresponding configuration time slot after receiving described message.
2. time-slot configuring method as claimed in claim 1 is characterized in that, described step B comprises:
After terminal in the sub-district received above-mentioned radio resource control information and/or system broadcast message, configuration MBMS Traffic Channel on common time slot was disposing MBMS control channel and/or MBMS indicating channel on the crack in short-term, and the system broadcast message control channel;
After Node B receives above-mentioned Node B application protocol message, Primary Common Control Physical Channel and MBMS indicating channel are configured in short-term on the crack, auxiliary publish control physical channel is configured on the common time slot.
3. time-slot configuring method as claimed in claim 1 is characterized in that, in the steps A:
The radio resource control information that described radio network controller sends to the sub-district comprises MBMS general notification message, MBMS P-T-M wireless loading notification message; The system broadcast message that described radio network controller sends to the sub-district comprises: system broadcast message 5.
4. time-slot configuring method as claimed in claim 1 is characterized in that, in the steps A:
The Node B application protocol message that described RNC sends to Node B comprises that request message is set up in the sub-district, cell re-configuration puts request message and Common transport channel is set up request message.
5. the carrier cell dedicated time-slot configuring method of going up terminal of multimedia broadcast/multicast system MBMS is applicable to TD-SCDMA system, it is characterized in that, comprising:
A, send in the MBMS carrier cell dedicated radio resource control information and/or system broadcast message at radio network controller, the auxiliary publish control physical channel of the Primary Common Control Physical Channel of bearing system broadcast, carrying MBMS control channel and MBMS indicating channel are configured in short-term on the crack, and the auxiliary publish control physical channel that will carry the MBMS Traffic Channel is configured on the common time slot;
After portable terminal in B, the sub-district was received described message, configuration MBMS Traffic Channel on common time slot was disposing MBMS control channel and/or MBMS indicating channel and system broadcast message control channel on the crack in short-term.
6. time-slot configuring method as claimed in claim 5 is characterized in that, in the steps A:
The radio resource control information that described radio network controller sends to the sub-district comprises MBMS general notification message, MBMS P-T-M wireless loading notification message; The system broadcast message that described radio network controller sends to the sub-district comprises: system broadcast message 5.
7. time-slot configuring method as claimed in claim 5 is characterized in that: each 5 milliseconds of subframe of MBMS special carrier comprise 7 common time slots, and its time slot is numbered 0～6; Also comprise 1 crack in short-term, its time slot is numbered 7.
8. the carrier cell dedicated time-slot configuring method of going up Node B of multimedia broadcast/multicast system MBMS is applicable to TD-SCDMA system, it is characterized in that, comprising:
A, send in the Node B application protocol message of the carrier cell dedicated Node B of MBMS at radio network controller, Primary Common Control Physical Channel and MBMS indicating channel are configured in short-term on the crack, auxiliary publish control physical channel is configured on the common time slot;
After B, Node B are received described message, Primary Common Control Physical Channel and MBMS indicating channel are configured in short-term on the crack, auxiliary publish control physical channel is configured on the common time slot.
9. time-slot configuring method as claimed in claim 8 is characterized in that, in the steps A:
The Node B application protocol message that described RNC sends to Node B comprises that request message is set up in the sub-district, cell re-configuration puts request message and Common transport channel is set up request message.
10. time-slot configuring method as claimed in claim 8 is characterized in that: each 5 milliseconds of subframe of MBMS special carrier comprise 7 common time slots, and its time slot is numbered 0～6; Also comprise 1 crack in short-term, its time slot is numbered 7.
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| CN101931599B (en) * | 2009-06-23 | 2013-08-07 | 中兴通讯股份有限公司 | Single-frequency multicast network subframe as well as sending device and method of user data channel |
| CN101931599A (en) * | 2009-06-23 | 2010-12-29 | 中兴通讯股份有限公司 | Single-frequency multicast network subframe as well as sending device and method of user data channel |
| US8842594B2 (en) | 2009-06-23 | 2014-09-23 | Zte Corporation | Multicast broadcast single frequency network subframe, and user data channel transmission method and device |
| CN101938699B (en) * | 2009-06-30 | 2015-01-28 | 中兴通讯股份有限公司 | Data transmission method and device of multicast channel |
| WO2010145502A1 (en) * | 2009-06-30 | 2010-12-23 | 中兴通讯股份有限公司 | Data transmitting method and apparatus for multicast channel |
| WO2011012001A1 (en) * | 2009-07-30 | 2011-02-03 | 中兴通讯股份有限公司 | Method and system for allocating resources to multimedia broadcast multicast control channel |
| CN101990166B (en) * | 2009-07-30 | 2014-04-09 | 中兴通讯股份有限公司 | Multimedia broadcast multicast control channel (MCCH) resource allocation method and system |
| WO2011082544A1 (en) * | 2010-01-08 | 2011-07-14 | Nokia Siemens Networks Oy | Downlink control signaling for a backhaul link |
| WO2017166996A1 (en) * | 2016-03-29 | 2017-10-05 | 中兴通讯股份有限公司 | Method and device for transmitting control information |
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| CN101159902B (en) | 2012-05-23 |
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