CN101212272B - Method for implementing broadcasting service in TD-SCDMA system - Google Patents
Method for implementing broadcasting service in TD-SCDMA system Download PDFInfo
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- CN101212272B CN101212272B CN2006101697901A CN200610169790A CN101212272B CN 101212272 B CN101212272 B CN 101212272B CN 2006101697901 A CN2006101697901 A CN 2006101697901A CN 200610169790 A CN200610169790 A CN 200610169790A CN 101212272 B CN101212272 B CN 101212272B
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Abstract
The invention relates to a method for realizing broadcasting business in a TD-SCDMA system, which is provided with a downlink multimedia broadcasting channel, and the configuration information of the downlink multimedia broadcasting channel is broadcasted through the broadcasting channel; a group mark of the downlink multimedia broadcasting business is added in forward accessing channel paging message; information is distributed through the group paging broadcasting program list and the downlink channel resources; the configuration information of the downlink multimedia broadcasting channel broadcasted by the broadcasting channel and distribution information of the program list broadcasted by forward accessing channel as well as the downlink channel resources are received and stored by the terminal according to the internal stored group mark; a mapping relation is established between the program and the occupied channel resources; the receiving and demodulation of the signal is carried out by the terminal according to the mapping relation between the established program and the occupied channel resources. The invention realizes the downlink multimedia business of broadcasting type based on the current TD-SCDMA system.
Description
Technical field
The present invention relates to mobile communication technology, relate in particular to the method that realizes broadcasting service in the TD-SCDMA system.
Background technology
Time division duplex (Time Division Duplex; Abbreviation TDD) system has slot allocation method and sufficient frequency resource flexibly; In the TDD system, because the same frequency of up-downgoing Channel Sharing, the resource ratio of up-downgoing channel can be divided through time slot flexibly and realized; So the TDD system can support symmetrical service and non-symmetrical service neatly, improve the availability of frequency spectrum of system.In data is in numerous business of master; The broadcast type business is a kind of typical following behavior master's data service; Through sending same business tine to several users simultaneously, can avoid a plurality of users to repeat to take resource, greatly improve usage factor of system resource.For existing TD-SCDMA system, in order to realize multimedia multicast and broadcasting service, need follow the standard of 3GPP R6 version, newly-increased physical channel carries out bigger upgrading to TD-SCDMA system prior network device and terminal equipment.So at the networking initial stage of TD-SCDMA system, the network equipment and terminal equipment meet under the situation of 3GPP R4 or R5 Version Spec, the multi-media broadcasting service in the 3GPP standard is difficult to be applied.
Summary of the invention
The objective of the invention is to the existing in prior technology defective; The method that realizes broadcasting service in a kind of TD-SCDMA system is provided; On existing TD-SCDMA system (TD-SCDMA of R5 version and R4 version) basis, realize the descending multimedia service of broadcast type.
To achieve these goals, the invention provides the method that realizes broadcasting service in a kind of TD-SCSMA system, comprise the steps:
Step 1, on terminal or subscriber card, store group identification;
Step 4, terminal receive the also configuration information of the descending multi-media broadcasting service channel of stored broadcast channel radio; Group identification according to storage inside; Receive the rendition list and the descending multi-media broadcasting service signal channel resource allocation information of also storage FACH broadcasting, and set up program and the channel resource that takies between mapping relations;
Step 5, terminal are carried out the reception and the demodulation of signal according to the mapping relations between program of setting up and the channel resource that takies.
Network side can issue group identification to the terminal according to service log-on information, and can regularly upgrade group identification.When issuing, can adopt the mode of encryption.
After the terminal receives program selection information, the mapping relations between the program of selecting information and foundation according to this program and the channel resource that takies, channel of confirming to receive and demodulating information accordingly carry out the reception and the demodulation of signal.
When configurating downlink multi-media broadcasting service channel, can adopt the mode of fixed configurations, also can adopt mode according to the traffic carrying capacity dynamic-configuration of descending multi-media broadcasting service.In the business time-slot of a carrier wave, dispose symmetrical time slot and be used for other business except that descending multi-media broadcasting service, and remaining business time-slot is formed descending multi-media broadcasting service channel.
The present invention needn't increase new transmission channel and physical channel; On existing TD-SCDMA system (TD-SCDMA of R5 version and R4 version) basis, through revising configuration parameter, newly-increased section processes function; The mode of change section processes flow process, the descending multimedia service of realization broadcast type; On the basis at existing terminal, carry out a spot of software modification, can make the terminal possess the broadcast type of reception multimedia high-speed downstream transmittability; At the initial stage of TDD system deployment, need not on the network equipment of system and terminal, to realize that the function of R6 just can provide descending multi-media broadcasting service; To receiving the not restriction of the professional terminal quantity of broadcast type in the sub-district.
Through accompanying drawing and embodiment, technical scheme of the present invention is done further detailed description below.
Description of drawings
Fig. 1 is a method flow diagram of realizing broadcasting service in the TD-SCDMA of the present invention system;
Fig. 2 is a kind of time slot allocation mode sketch map of the present invention;
Fig. 3 is an another kind of time slot allocation mode sketch map of the present invention.
Embodiment
The present invention proposes a kind of on existing TD-SCDMA system (TD-SCDMA of R5 version and R4 version) basis; Through revising configuration parameter; Newly-increased section processes function, the mode of change section processes flow process, the method for the descending multimedia service of realization broadcast type.
As shown in Figure 1, for realizing the method flow diagram of broadcasting service in the TD-SCDMA of the present invention system, comprise the steps:
Step 1, configurating downlink multi-media broadcasting service channel, and the configuration information through the descending multi-media broadcasting service channel of broadcast channel broadcasts;
Step 4, terminal are carried out the reception and the demodulation of signal according to the mapping relations between program of setting up and the channel resource that takies.
When configurating downlink multi-media broadcasting service channel; Can the fixed allocation several slots form special descending multi-media broadcasting service channel; Simultaneously; For considering the concurrent of voice and other data service, in a carrier wave, reserve the transfer resource of certain symmetrical resource as voice and other simple data service.As shown in Figure 2, be a kind of time slot allocation mode sketch map of the present invention.A tdd frame comprises 7 time slot TS0-TS6; TS0 is used for the transmission of signaling and broadcast message; TS1 and TS2 are used for the uplink business data transmission of voice and other simple data service; TS3 and TS4 are used for the downlink service data transmission of voice and other simple data service, and TS5 and TS6 are used for descending multimedia service data transmission, form descending multimedia service broadcasting service channel.As shown in Figure 3; Be another kind of time slot allocation mode sketch map of the present invention; When descending multimedia broadcast business data amount increases; Can be the more business time-slot of this traffic assignments, be about to TS3-TS6 and all be used for descending multi-media broadcasting service, TS1 and TS2 are respectively applied for the up and downlink data transmission of voice and other simple data service.
In general, can be the resource of voice and other simple data service reservation symmetry, promptly as shown in Figures 2 and 3, this is applicable to the roughly suitable situation of uplink and downlink data volume of voice and other simple data service.When the up-downgoing data volume of voice and other simple data service differs greatly; Can adjust distributed time slot; For example be that voice and other simple data service distribute a uplink service time slot, two downlink business time slots, three remaining business time-slots are used for descending multi-media broadcasting service.
When descending multimedia broadcast business data transmission quantity and other professional volume of transmitted data change, can dynamically adjust the distribution of business time-slot as the case may be, several business time-slots of dynamic assignment are formed descending multi-media broadcasting service channel.
In the original broadcast message of system, increase the configuration information of descending multi-media broadcasting service channel, promptly in the system information block (System Information Block is called for short SIB) of broadcast channel, add the message of descending multi-media broadcasting service channel.
For each descending multi-media broadcasting service distributes groups of users sign, ordered in user's the terminal of descending multi-media broadcasting service and stored corresponding group identification.In the FACH beep-page message, increase the user's who has ordered descending multi-media broadcasting service group identification, and through group paging broadcast program listing and concrete descending multi-media broadcasting service signal channel resource allocation information.
The terminal receives the also information relevant with multi-media broadcasting service of stored broadcast channel radio, the configuration information of promptly descending multi-media broadcasting service channel; And; According to the information relevant that group identification receives and storage FACH upward broadcasts with multi-media broadcasting service; The resource allocation information that comprises the rendition list and descending multi-media broadcasting service channel; According to the above-mentioned information of storage, set up broadcast program and the channel resource that takies between mapping relations.
The user is presented to the rendition list in the terminal; The user selects the program that need watch, after the terminal receives program selection information, according to the mapping relations between broadcast program of setting up and the channel resource that takies; Confirm the channel and the corresponding demodulating information of reception, signal is received and demodulation.
The present invention directly uses the descending time slot transmitting multimedia data, rather than uses FACH, more near the occupation mode of DSCH Downlink Shared Channel.When the user is in dedicated channel (Dedicated Channel is called for short DCH) state,, still can initiate or answer the voice service of other dedicated channel if supporting business is concurrent.When receiving the downlink broadcast type service, need not to initiate connection request to network, according to the canned data content, directly carry out the reception and the demodulation of corresponding down channel.
In the present invention, professional group identification can be stored in the subscriber card, perhaps is stored in the terminal.This sign can store in the user terminal in several ways.For example, the user during transacting business, write cards device capable of using writes subscriber card with this group identification in the business hall; When the user is professional through the application of WEB mode, can the terminal be connected on the computer through equipment interfaces such as USB interface, com interfaces, behind network acquisition group identification, write the terminal by computer through the corresponding interface; Group identification also can pass through air download (Over The Air is called for short OTA) mode and write the terminal, when group identification is sent at the terminal, be according to user's service log-on information, and promptly the business of user's order selects corresponding group identification to send to the user.
In order to guarantee the fail safe of group identification as far as possible, when issuing group identification, can adopt the mode of encryption, key can obtain through point-to-point mode, is handed down to the user of order business by the service server in the network; And, but the regular update group identification, and issue the group identification of renewal to the terminal according to the user's of network side record service log-on information.
The present invention needn't increase new transmission channel and physical channel; On existing TD-SCDMA system (TD-SCDMA of R5 version and R4 version) basis, through revising configuration parameter, newly-increased section processes function; The mode of change section processes flow process, the descending multimedia service of realization broadcast type; On the basis at existing terminal, carry out a spot of software modification, can make the terminal possess the broadcast type of reception multimedia high-speed downstream transmittability; At the initial stage of TDD system deployment, need not on the network equipment of system and terminal, to realize that the function of R6 just can provide descending multi-media broadcasting service; To receiving the not restriction of the professional terminal quantity of broadcast type in the sub-district.
Should be noted that at last: above embodiment is only in order to technical scheme of the present invention to be described but not to its restriction; Although with reference to preferred embodiment the present invention has been carried out detailed explanation, the those of ordinary skill in affiliated field should be appreciated that still can specific embodiments of the invention makes amendment or the part technical characterictic is equal to replacement; And not breaking away from the spirit of technical scheme of the present invention, it all should be encompassed in the middle of the technical scheme scope that the present invention asks for protection.
Claims (10)
1. realize the method for broadcasting service in the TD-SCDMA system, comprising following steps:
On terminal or subscriber card, store group identification;
Configurating downlink multi-media broadcasting service channel, and the configuration information through the descending multi-media broadcasting service channel of broadcast channel broadcasts;
In the forward access channel beep-page message, increase the group identification of descending multi-media broadcasting service, through group paging broadcast program listing and descending multi-media broadcasting service signal channel resource allocation information;
The terminal receives the also configuration information of the descending multi-media broadcasting service channel of stored broadcast channel radio; Group identification according to storage inside; Receive the rendition list and the descending multi-media broadcasting service signal channel resource allocation information of also storage forward access channel broadcasting, and set up program and the channel resource that takies between mapping relations;
The reception and the demodulation of signal are carried out according to the mapping relations between program of setting up and the channel resource that takies in the terminal.
2. realize the method for broadcasting service in the TD-SCDMA according to claim 1 system, wherein also comprise: issue group identification to the terminal according to service log-on information.
3. realize the method for broadcasting service in the TD-SCDMA according to claim 2 system, wherein also comprise: regularly upgrade group identification, and issue the group identification of renewal to the terminal according to service log-on information.
4. according to the method that realizes broadcasting service in claim 2 or the 3 described TD-SCDMA systems, wherein said issuing is specially: adopt the mode of encrypting to issue.
5. realize the method for broadcasting service in the TD-SCDMA according to claim 1 system; Reception and demodulation that signal is carried out according to the mapping relations between program of setting up and the channel resource that takies in wherein said terminal are specially: after the terminal receives program selection information; According to this program select the program of information and foundation and the channel resource that takies between mapping relations; Confirm the channel and the corresponding demodulating information of reception, carry out the reception and the demodulation of signal.
6. realize the method for broadcasting service in the TD-SCDMA according to claim 1 system, the step of wherein said configurating downlink multimedia broadcast channels is specially: the descending multi-media broadcasting service channel of fixed configurations.
7. realize the method for broadcasting service in the TD-SCDMA according to claim 6 system; The step of the descending multi-media broadcasting service channel of wherein said fixed configurations is specially: in the business time-slot of a carrier wave; Dispose symmetrical time slot and be used for other business except that descending multi-media broadcasting service, and remaining business time-slot is formed descending multi-media broadcasting service channel.
8. realize the method for broadcasting service in the TD-SCDMA according to claim 7 system; The symmetrical time slot of wherein said configuration is used for other business except that descending multi-media broadcasting service; And remaining business time-slot is formed descending multi-media broadcasting service channel be specially: in six business time-slots of a carrier wave; Distribute a uplink service time slot and a downlink business time slot; Be used for other the professional transfer of data except that descending multi-media broadcasting service, four remaining business time-slots are formed descending multi-media broadcasting service channel.
9. realize the method for broadcasting service in the TD-SCDMA according to claim 7 system; The symmetrical time slot of wherein said configuration is used for other business except that descending multi-media broadcasting service; And remaining business time-slot is formed descending multi-media broadcasting service channel be specially: in six business time-slots of a carrier wave; Distribute two uplink service time slots and two downlink business time slots; Be used for other the professional transfer of data except that descending multi-media broadcasting service, two remaining business time-slots are formed descending multi-media broadcasting service channel.
10. the method for the broadcasting service that realizes in the TD-SCDMA according to claim 1 system, the step of wherein said configurating downlink multimedia broadcast channels is specially: the traffic carrying capacity dynamic-configuration according to descending multi-media broadcasting service is distributed the time slot of forming descending multi-media broadcasting service channel.
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| CN2006101697901A CN101212272B (en) | 2006-12-28 | 2006-12-28 | Method for implementing broadcasting service in TD-SCDMA system |
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| CN2006101697901A CN101212272B (en) | 2006-12-28 | 2006-12-28 | Method for implementing broadcasting service in TD-SCDMA system |
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| CN101212272B true CN101212272B (en) | 2012-04-11 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102469585A (en) * | 2010-11-09 | 2012-05-23 | 中兴通讯股份有限公司 | Method and system for carrying out paging on MTC group |
| CN104284448A (en) * | 2014-09-12 | 2015-01-14 | 惠州Tcl移动通信有限公司 | Offline communication method and intelligent mobile terminal |
| CN105142223B (en) * | 2015-08-17 | 2020-09-25 | 联想(北京)有限公司 | Data transmission method and electronic equipment |
| CN112995919A (en) * | 2019-12-18 | 2021-06-18 | 北京新岸线移动通信技术有限公司 | Method and device for data transmission in wireless communication system |
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| CN1181667A (en) * | 1996-09-10 | 1998-05-13 | 诺基亚流动电话有限公司 | Multicast transmission for DS-CDMA cellular telephones |
| CN1463103A (en) * | 2002-04-09 | 2003-12-24 | 三星电子株式会社 | Appts. and method for transmitting control information of multimedia broadcasting/combined broadcasting affairs |
| CN1496139A (en) * | 2002-07-31 | 2004-05-12 | ���ǵ�����ʽ���� | Equipment and method for supply multimedia broadcasting/multi-broadcasting service for mobile communication system |
| EP1507358A2 (en) * | 2003-08-14 | 2005-02-16 | Samsung Electronics Co., Ltd. | Method of using a service identifier for transmitting control information in a mobile communication system providing multimedia broadcast/multicast services |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1181667A (en) * | 1996-09-10 | 1998-05-13 | 诺基亚流动电话有限公司 | Multicast transmission for DS-CDMA cellular telephones |
| CN1463103A (en) * | 2002-04-09 | 2003-12-24 | 三星电子株式会社 | Appts. and method for transmitting control information of multimedia broadcasting/combined broadcasting affairs |
| CN1496139A (en) * | 2002-07-31 | 2004-05-12 | ���ǵ�����ʽ���� | Equipment and method for supply multimedia broadcasting/multi-broadcasting service for mobile communication system |
| EP1507358A2 (en) * | 2003-08-14 | 2005-02-16 | Samsung Electronics Co., Ltd. | Method of using a service identifier for transmitting control information in a mobile communication system providing multimedia broadcast/multicast services |
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