CN101296412B - Method for confirming multicast service bearing mode - Google Patents
Method for confirming multicast service bearing mode Download PDFInfo
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- CN101296412B CN101296412B CN2007101015220A CN200710101522A CN101296412B CN 101296412 B CN101296412 B CN 101296412B CN 2007101015220 A CN2007101015220 A CN 2007101015220A CN 200710101522 A CN200710101522 A CN 200710101522A CN 101296412 B CN101296412 B CN 101296412B
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Abstract
The invention discloses a method for determining the loading mode of multicast services, which includes the following steps: the statistics of the number of terminals requiring to receive the multicast service is carried out by an RNC; whether the multicast service is in the point-to-point loading mode or in the point-to-multipoint loading mode is determined on the basis of the number of the terminals requiring to receive the multicast service according to the statistics. The application of the method solves the problem of the determination that how to load the multicast service in a TD-SCDMA system; the PTP loading is adopted due to the small number of the terminals requiring to receive the multicast service, radio resource occupied by the terminals requiring to receive the multicast service is less and power sent by a Node B is comparatively low; therefore, interference to the terminals which do not require to receive the multicast service is comparatively low and the quality of the multicast service signal received by the terminal requiring to receive the multicast service is comparatively good; when the PTM loading is adopted due to that the number of the terminals requiring to receive the multicast service is large, the RNC configures a set of the radio resources for the service, and all the terminals requiring the multicast service use the radio resources, thus saving the resource.
Description
Technical field
The present invention relates to field of wireless communication; Particularly relate at TD SDMA and insert (TimeDivision Synchronization Code Division Multiple Access; TD-SCDMA) in the system, a kind of method of definite multicast service carrier pattern.
Background technology
Along with popularizing of large-screen multi-functional mobile phone; The application of mobile data services more and more widely no longer is satisfied with phone, message and surfing Internet with cell phone browse service to the demand of mobile communication, in order to effectively utilize mobile network resource; 3GPP has proposed multimedia broadcast-multicast service (MBMS; MultimediaBroadcast Multicast Service), in the mobile network, provides a data source to send the point-to-multipoint service of data, realize that Internet resources are shared to a plurality of users; Improve utilization rate of network resource, the especially valuable interface resource of eating dishes without rice or wine.The MBMS business is a kind of shared network resource transmits data to a plurality of targets from a data source a technology; The MBMS business of 3GPP definition can not only realize the classes of messages multicast and the broadcasting of plain text low rate; And can also realize multicast and the broadcasting that high-speed multimedia is professional, multiple rich video, audio frequency and multimedia service are provided.The MBMS business comprises: multicast service (MulticastService) and broadcasting service (Broadcast Service).Each multicast service all needs to add (Joining) process; Subscriber equipment (UE; User equipment) needs to BroadCast MultiCast Service center (BM-SC; Broadcast-Multicast Service Centre) activate certain multicast service, and for each broadcasting service, UE only needs local activation just passable.In the configuration of radio bearer, multicast service can adopt the bearer types that a little arrives multiple spot (P-T-M also can be abbreviated as PTM or ptm) and point-to-point (P-T-P also can be abbreviated as PTP or ptp), and broadcasting service can only adopt the bearer types of P-T-M.
MBMS is professional, and the downlink data bandwidth that takies is a lot, has taken many Internet resources, and is very big for normally influencing of general service, and is professional like non-MBMS such as speech businesses.For this reason, in the networking process of reality, often hope to carry the professional sub-district of the MBMS cell separation professional and come with carrying non-MBMS.Like this, the MBMS business is not carried in the sub-district that has, and carry voice traffic and high speed downlink grouping traffic etc., other sub-districts can be assigned with special carrier frequency, are used to carry the MBMS business.
In the present network architecture, UTRAN comprises a radio network controller (RNC) and a plurality of Node B, under each Node B a plurality of sub-districts is arranged.Each UE resides in the sub-district, receives the system broadcasts sub-district of this sub-district, carries out corresponding business.In the reality, RNC need add up needs the UE of receiving multicast business number, thereby confirms the bearing mode of this multicast service.If the UE number is few, then RNC can set up the PTP carrying for this multicast service; If the UE number is many, then RNC can set up the PTM carrying for this multicast service.Therefore the method that needs a kind of definite multicast service carrier pattern.
Summary of the invention
Technical problem to be solved by this invention provides a kind of method of definite multicast service carrier pattern, has solved in the TD-SCDMA system, to confirm the problem how multicast service carries.
In order to solve the problems of the technologies described above, the invention provides a kind of method of definite multicast service carrier pattern, be applied to TD-SCDMA system, may further comprise the steps:
A, radio network controller (RNC) statistics need the terminal number of receiving multicast business;
B, confirm that through the said terminal number that needs receiving multicast business of statistics said multicast service is the bearing mode of point-to-point or the bearing mode of putting multiple spot.
Further, said method also can comprise, when said RNC statistics needs the terminal number of receiving multicast business, comprises dual mode:
All in a RNC, this RNC initiates counting process through control channel to multicast service for r1, common sub-district and multimedia broadcasting and multicast sub-district;
R2, common sub-district and multimedia broadcasting and multicast sub-district are between a plurality of RNC, and through the Iur interface between the said RNC, the RNC under the multimedia broadcasting and multicast sub-district initiates counting process through control channel to multicast service.
Further, said method can comprise that also said common sub-district is main sub-district of carrying non-multimedia broadcast-multicast service, its main carry voice traffic and a small amount of multimedia broadcast-multicast service; Said multimedia broadcasting and multicast sub-district is the sub-district of main bearing multimedia broadcast multicast service, its main bearing multimedia broadcast multicast service and a small amount of speech business.
Further, said method also can comprise, in the said r2 mode, may further comprise the steps:
T1, reside in the said terminal of said multimedia broadcasting and multicast sub-district, accomplish the counting response process, and the counting response process is accomplished at the said terminal that resides in other said common sub-district in resident separately sub-district in this multimedia broadcasting and multicast sub-district;
The counting response result of the terminal feedback of t2, said common sub-district; Be reported to the affiliated RNC of these common sub-districts; If these RNC are not the RNC under the multimedia broadcasting and multicast sub-district; Then through said Iur interface, the count results of these common sub-districts is forwarded to the RNC under the multimedia broadcasting and multicast sub-district;
RNC under the t3, said multimedia broadcasting and multicast sub-district obtains in all sub-districts the count results to this multimedia broadcast-multicast service.
Further, said method also can comprise, among the said step b, if the said terminal number that needs receiving multicast business during smaller or equal to threshold value G, said multicast service adopts the bearing mode of point-to-point; If the said terminal number that needs receiving multicast business is during greater than threshold value G, said multicast service adopts the bearing mode of point to multiple spot.
Further, said method can comprise that also said threshold value G is the positive integer smaller or equal to 15.
Compared with prior art; Because the present invention has adopted a kind of method of definite multicast service carrier pattern, solved and in the TD-SCDMA system, confirmed the problem how multicast service carries, when carrying owing to the few PTP of employing of the UE quantity that needs receiving multicast business; RNC needs the UE of receiving multicast business to set up the PTP carrying to each; Owing to need the UE quantity of receiving multicast business few, these need the shared Radio Resource of the UE of receiving multicast business very not many, and the power that Node B sends is less; The UE that does not need this multicast service like this for other; The interference that causes is less, and when PTP carries, and it is relatively good to need the UE of receiving multicast business to receive the signal quality of this multicast service; When the UE quantity that needs receiving multicast business adopted PTM to carry more, RNC is traffic assignments one cover Radio Resource for this reason, and all need the UE of this multicast service all to use this Radio Resource, have saved resource.
Description of drawings
Fig. 1 is the flow chart of a kind of definite multicast service carrier mode method in the specific embodiment of the invention;
Fig. 2 is the sketch map of certain multicast service count results of RNC statistics in the specific embodiment of the invention;
Fig. 3 be in the specific embodiment of the invention when common sub-district and MBMS sub-district are between a plurality of RNC, the RNC under the MBMS sub-district on the MCCH channel to the professional flow chart of initiating counting process of certain MBMS.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is elaborated.
In the TD-SCDMA system, in the UTRAN of Releas7 (R7), RNC is according to the main loaded service kind in each sub-district, and the sub-district of its control is divided into MBMS sub-district and common sub-district.The MBMS sub-district is called for short in the main professional sub-district of MBMS of carrying, its main bearing multimedia broadcast multicast service and a small amount of speech business; Common sub-district is called for short in the main professional sub-district of non-MBMS of carrying, its main carry voice traffic and a small amount of multimedia broadcast-multicast service.
The MBMS sub-district is main with the MBMS business, and the MBMS business has taken a large amount of time slot and the code channel resources in this sub-district, and RNC also allows in this sub-district, to use resource bearing general servicies such as a spot of time slot and/or code channel simultaneously; Common sub-district is main with non-MBMS business, and general service has taken a large amount of time slot and the code channel resources in this sub-district, and it is professional that RNC also allows in this sub-district, to use resource bearing MBMS such as a spot of time slot and/or code channel simultaneously.So-called MBMS sub-district and common sub-district only are that RNC defines according to the main loaded service type in each sub-district; Along with change of time; These sub-district institute loaded service possibly change, and mainly carry the professional sub-district of MBMS owing to the professional minimizing of MBMS is changed to non-MBMS business such as main voice-bearer, and the MBMS business also can mainly be carried in common sub-district; In a word, MBMS sub-district and common sub-district can transform each other.
RNC allows each sub-district, comprises MBMS sub-district and common sub-district, all resident UE.That is to say that UE can comprise MBMS business or general service according to its business of carrying out, both can reside in the MBMS sub-district and also can reside in the common sub-district.
In the reality, RNC need add up needs the UE of receiving multicast business number, confirms the bearing mode of this multicast service with this, and as shown in Figure 1, concrete steps are following:
Step 210, RNC statistics need the UE number of receiving multicast business;
Step 220, confirm that through the terminal number that needs receiving multicast business of statistics said multicast service is the bearing mode of point-to-point or puts the bearing mode of multiple spot.
If the UE number is smaller or equal to threshold value G, (said threshold value G is the positive integer smaller or equal to 15) then RNC can set up PTP for this multicast service and carry, if the UE number greater than threshold value G, then RNC can set up PTM for this multicast service and carries.
For multicast service; When adopting PTP to carry owing to the UE quantity that needs receiving multicast business smaller or equal to threshold value G, RNC needs the UE of receiving multicast business to set up the PTP carrying to each, owing to need the UE quantity of receiving multicast business few; These need the shared Radio Resource of the UE of receiving multicast business very not many; The power that Node B sends is less, and for other UE that does not need this multicast service, the interference that causes is less like this; And when PTP carried, it was relatively good to need the UE of receiving multicast business to receive the signal quality of this multicast service; When the UE quantity that needs receiving multicast business adopted PTM to carry greater than threshold value G, RNC is traffic assignments one cover Radio Resource for this reason, and all need the UE of this multicast service all to use this Radio Resource, have saved resource.
Fig. 2 is the sketch map of certain multicast service count results of RNC statistics in the specific embodiment of the invention, is divided into dual mode, and is specific as follows:
First kind of mode: common sub-district and MBMS sub-district are all in a RNC, like the RNC1 of Fig. 2.
Be provided with a RNC control down, a MBMS sub-district arranged, a plurality of common sub-districts.
When the RNC under the MBMS sub-district on the MCCH channel to the professional counting process of initiating of certain MBMS, then:
Reside in the UE of said MBMS sub-district; Just accomplish the counting response process in this MBMS sub-district; And the UE that resides in other common sub-district accomplishes the counting response process in resident separately sub-district, because these sub-districts are all at a RNC, so RNC can obtain the professional count results of this MBMS of UE response of all sub-districts; RNC judges that according to the result of the professional counting response of this MBMS this MBMS business is to adopt PTP to carry or the PTM carrying.
The second way: common sub-district and MBMS sub-district are RNC1 and RNC2 among Fig. 2 between a plurality of RNC, are not limited to 2 in the reality certainly, and a plurality of RNC can be arranged.
Be provided with a RNC control down, a MBMS sub-district is arranged, a plurality of common sub-districts are arranged.Simultaneously, also have many common sub-districts under other RNC control, and Iur interface (two RNC between interface) is arranged between the RNC.As shown in Figure 3, when the RNC under the MBMS sub-district (RNC1 of Fig. 2) on the MCCH channel to the professional counting process of initiating of certain MBMS, then may further comprise the steps:
The UE of step 320, common sub-district is with the counting response result of feedback; Be reported to the affiliated RNC of these common sub-districts; If these RNC (RNC2 of Fig. 2) are not the RNC under the MBMS sub-district; Then through the Iur interface, the count results of these common sub-districts is forwarded to the RNC (RNC1 of Fig. 2) under the MBMS sub-district;
RNC (RNC1 of Fig. 2) under step 330, the MBMS sub-district can obtain in all sub-districts the professional count results of this MBMS.
The above is merely signal execution mode of the present invention; Should know that this can have many modification; This modification is not considered to break away from the spirit and the scope of signal execution mode of the present invention, and the conspicuous modification of all such those of ordinary skills is comprised within the scope of accompanying claims.
Claims (4)
1. the method for a definite multimedia broadcast-multicast service bearing mode is applied to TD-SCDMA system, may further comprise the steps:
A, radio network controller (RNC) statistics need the terminal number of receiving multimedia broadcast multicast service;
B, confirm that through the said terminal number that needs the receiving multimedia broadcast multicast service of statistics said multimedia broadcast-multicast service is the bearing mode of point-to-point or the bearing mode of putting multiple spot; Among the said step b, if the said terminal number that needs the receiving multimedia broadcast multicast service during smaller or equal to threshold value G, said multimedia broadcast-multicast service adopts the bearing mode of point-to-point; If the said terminal number that needs the receiving multimedia broadcast multicast service is during greater than threshold value G, said multimedia broadcast-multicast service adopts the bearing mode of point to multiple spot;
When said RNC statistics needs the terminal number of receiving multimedia broadcast multicast service, comprise dual mode:
All in a RNC, this RNC initiates counting process through control channel to the terminal number that needs the receiving multimedia broadcast multicast service in all sub-districts for r1, common sub-district and multimedia broadcasting and multicast sub-district;
R2, common sub-district and multimedia broadcasting and multicast sub-district are between a plurality of RNC; RNC under the multimedia broadcasting and multicast sub-district initiates counting process through control channel to the terminal number that needs the receiving multimedia broadcast multicast service in all sub-districts, and the RNC under the common sub-district is forwarded to the RNC under the said multimedia broadcasting and multicast sub-district through the Iur interface between the said RNC with the count results of common sub-district.
2. the method for claim 1 is characterized in that, said common sub-district is main sub-district of carrying non-multimedia broadcast-multicast service, its main carry voice traffic and a small amount of multimedia broadcast-multicast service; Said multimedia broadcasting and multicast sub-district is the sub-district of main bearing multimedia broadcast multicast service, its main bearing multimedia broadcast multicast service and a small amount of speech business.
3. the method for claim 1 is characterized in that, in the said r2 mode, may further comprise the steps:
T1, reside in the said terminal of said multimedia broadcasting and multicast sub-district, accomplish the counting response process, and the counting response process is accomplished at the said terminal that resides in other said common sub-district in resident separately sub-district in this multimedia broadcasting and multicast sub-district;
The counting response result of the terminal feedback of t2, said common sub-district; Be reported to the affiliated RNC of these common sub-districts; If these RNC are not the RNC under the multimedia broadcasting and multicast sub-district; Then through said Iur interface, the count results of these common sub-districts is forwarded to the RNC under the multimedia broadcasting and multicast sub-district;
RNC under the t3, said multimedia broadcasting and multicast sub-district obtains in all sub-districts the count results to this multimedia broadcast-multicast service.
4. the method for claim 1 is characterized in that, said threshold value G is the positive integer smaller or equal to 15.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101015220A CN101296412B (en) | 2007-04-25 | 2007-04-25 | Method for confirming multicast service bearing mode |
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| CN2007101015220A CN101296412B (en) | 2007-04-25 | 2007-04-25 | Method for confirming multicast service bearing mode |
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| CN101296412B true CN101296412B (en) | 2012-07-18 |
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| CN110809244B (en) * | 2019-11-07 | 2023-04-18 | 腾讯科技（深圳）有限公司 | Data transmission method and related equipment |
| CN114390441B (en) * | 2020-10-16 | 2023-05-05 | 维沃移动通信有限公司 | Multicast service transmission method, device and communication equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1518244A (en) * | 2003-01-10 | 2004-08-04 | �ձ�������ʽ���� | Mobile communication system, radio terminal and network controller and operation control method |
| CN1571532A (en) * | 2003-07-15 | 2005-01-26 | 北京三星通信技术研究有限公司 | Method of point-to-point and point-to-multipoint conversion in multimedia broadcasting and multicast service |
| WO2006073338A1 (en) * | 2005-01-07 | 2006-07-13 | Telefonaktiebolaget Lm Ericsson (Publ) | Ptp/ptm transmission decisions |
| CN1951131A (en) * | 2004-05-07 | 2007-04-18 | 艾利森电话股份有限公司 | System and method for selecting a point-to-point or point-to-multipoint transmission mode |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1518244A (en) * | 2003-01-10 | 2004-08-04 | �ձ�������ʽ���� | Mobile communication system, radio terminal and network controller and operation control method |
| CN1571532A (en) * | 2003-07-15 | 2005-01-26 | 北京三星通信技术研究有限公司 | Method of point-to-point and point-to-multipoint conversion in multimedia broadcasting and multicast service |
| CN1951131A (en) * | 2004-05-07 | 2007-04-18 | 艾利森电话股份有限公司 | System and method for selecting a point-to-point or point-to-multipoint transmission mode |
| WO2006073338A1 (en) * | 2005-01-07 | 2006-07-13 | Telefonaktiebolaget Lm Ericsson (Publ) | Ptp/ptm transmission decisions |
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