CN100479414C - Transmission method for controlling access-in information on channel in multi-media broadcasting/organization broadcasting business - Google Patents
Transmission method for controlling access-in information on channel in multi-media broadcasting/organization broadcasting business Download PDFInfo
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- CN100479414C CN100479414C CN200510009252.1A CN200510009252A CN100479414C CN 100479414 C CN100479414 C CN 100479414C CN 200510009252 A CN200510009252 A CN 200510009252A CN 100479414 C CN100479414 C CN 100479414C
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Abstract
The method includes steps: network side determines whether counting operation is carrying out; if yes, then sending control RRC message of wireless resource including access information to user equipment UE; otherwise, not sending RRC message including access information to UE. The method does not transmit RRC message including access information to vacancy port if no service to carry out counting operation so as to save resources of vacancy port, and raise use ratio of vacancy port.
Description
Technical field
The present invention relates to the transmission method of control information in the multimedia broadcast/group broadcast service (MBMS), the transmission method of access information on the control channel in particularly a kind of MBMS business.
Background technology
Multicast and broadcasting are a kind of technology that transmits data from a data source to a plurality of targets.In traditional mobile network, cell broadcaste service (CBS:Cell Broadcast Service) allows low bit rate data to share broadcast channel to all users' transmissions by the sub-district, belongs to information series business.
Now, people no longer are satisfied with phone and messaging service to the demand of mobile communication, fast development along with Internet, a large amount of multimedia services emerge, the some of them applied business requires a plurality of users can receive identical data simultaneously, as video request program, television broadcasting, video conference, online education, interactive game etc.These mobile multi-media services are compared with general data, have characteristics such as data volume is big, longer duration, delay sensitive.Present IP multicasting technology only is applicable to wired IP network, is not suitable for the mobile network, because the mobile network has particular network structure, functional entity and wave point, these are all different with wired IP network.
In order to effectively utilize mobile network resource, the WCDMA/GSM global standardsization organize 3GPP to propose multimedia broadcast/multicast service (MBMS:Multimedia Broadcast/Multicast Service), in the mobile network, provide a data source to send the point-to-multipoint service of data to a plurality of users, the realization Internet resources are shared, improve utilization rate of network resource, the utilance of the interface resource of especially eating dishes without rice or wine.The MBMS of 3GPP definition can not only realize the classes of messages multicast and the broadcasting of plain text low rate, and can also realize the multicast and the broadcasting of high-speed multimedia business, and this has complied with the trend of following mobile data development undoubtedly.
In order to support the MBMS business, increased mobile network functional entity---broadcast multicast service center BM-SC among the mobile network newly, it is content provider's a inlet, be used for authorizing and initiating the MBMS bearer service at mobile network, and plan transmits the MBMS content to schedule.In addition, functional entitys such as subscriber equipment (UE), land radio access web (UTRAN), GERAN, SGSN, GGSN strengthen, and have increased the relevant function of MBMS.
Such network configuration is referring to Fig. 1, and Fig. 1 is for supporting the wireless network architecture schematic diagram of multicast/broadcast business.Wherein, broadcast/multicast service center (BM-SC) is passed through Gmb interface or Gi interface and gateway general packet radio service (GPRS) support node (GGSN, Gateway GPRS SupportNode) and is linked to each other, and a BM-SC can link to each other with a plurality of GGSN; GGSN links to each other by Gn/Gp interface and Serving GPRS Support Node (SGSN, Serving GPRS Support Node), and a GGSN can link to each other with a plurality of SGSN; SGSN can link to each other with universal mobile telecommunications system (UMTS) land radio access web (UTRAN) by the Iu interface, UTRAN links to each other with communication terminal by the Uu interface then, SGSN also can strengthen wireless access network (GERAN) by Iu/Gb interface and global system for mobile communications (GSM) and link to each other, and GERAN links to each other with communication terminal by Um Interface then.
MBMS comprises multicast pattern and broadcast mode.The distinctive points of multicast service and broadcasting service only is: multicast service only sends corresponding information to the user who has subscribed to some information, and the broadcasting service then user of all in wireless network sends information.Multicast pattern needs user's corresponding multicast group of contracting, and carries out activation of service, and produces corresponding charge information.Because it is different that multicast and broadcast mode exist, cause also difference of its operation flow on business demand.
The MBMS business has two kinds of patterns when transmitting between UTRAN and UE: put multiple spot (PTM) pattern and point-to-point (PTP) pattern.The PTM pattern sends identical data by MBMS point-to-multipoint service channel (MTCH), and all add multicast service or can receive the interested UE of broadcasting service; Ptp mode sends data by dedicated transmission channel (DTCH), has only a corresponding UE to receive.
The user receives the entire flow of certain MBMS broadcasting service referring to Fig. 2, as shown in Figure 2, this flow process comprises: service statement (Service announcement), session begin (Session Start), MBMS notice (MBMS notification), transfer of data (Data transfer), conversation end (Session Stop) process.
Wherein, Service announcement process is used for by the current service that can provide of BM-SC declaration.
In the Session Start process, BM-SC is ready to transfer of data, and informing network is set up the bearing resource of corresponding core net (CN) and universal land radio access web (UTRAN).
MBMS notification process is used to notify UE MBMS multicast conversation to be about to begin.
In the Data transfer process, BM-SC transfers data to UE by the bearing resource that session begins to set up in the process.
The bearing resource that Session Stop process is used for Session Start process is set up discharges.
In broadcasting service, all preserve the bearer context of this MBMS business in each MBMS service node, this bearer context is activated in Session Start process, in Session Stop process by deexcitation.
The user receives the entire flow of certain MBMS multicast service referring to Fig. 3, as shown in Figure 3, this flow process comprises: subscription (Subscription), service statement (Service announcement), adding (Joining), session begin (Session Start), MBMS notice (MBMS notification), transfer of data (Data transfer), conversation end (Session Stop) and leave (Leaving) process.
Wherein, the Subscription process is used for allowing the user subscribe to required MBMS service in advance.
Service announcement process is used for by the current service that can provide of BM-SC declaration.
The Joining process is a MBMS activating multicast service process, UE is in the Joining process, informing network self is ready to become the member of current multicast group, receive corresponding professional multicast packet, this Joining process can be created the MBMS UE context of record UE information in the UE of network and adding multicast group.
In the Session Start process, BM-SC is ready to transfer of data, and informing network is set up the bearing resource of corresponding CN and UTRAN.
MBMS notification process is used to notify UE MBMS multicast conversation to be about to begin.
In the Data transfer process, BM-SC transfers data to UE by the bearing resource that session begins to set up in the process.
The bearing resource that Session Stop process is used for Session Start process is set up discharges.
The Leaving process makes the subscriber in the group leave multicast group, i.e. user's receiving multicast data no longer, and this process can be with corresponding MBMS UE context deletion.
Network side comprises following two steps to the process that UE sends the business control information of MBMS:
1, the base station controller of UTRAN (BSC) or radio network controller (RNC) have wherein comprised service attribute and phase related control informations such as each professional service identification, QoS attribute, professional perdurabgility, Service coverage, professional urgency level from the indication of core net (CN) a plurality of MBMS service conversations of acquisition (Session Start).
Like this, begin after flow process finishes in the session of each broadcasting or multicast service, UTRAN just obtained should business business control information.This moment, UTRAN just provided one or more MBMS business in the sub-district.
2, then, UTRAN sends to above-mentioned MBMS business control information and receives this professional UE, the business datum that makes the correct reception of UE.
The UTRAN phase related control information that all are professional transmits on Radio Resource control (RRC) message of MCCH channel bearing.In the MBMS business, except by going up transmission in Broadcast Control Channel (BCCH) about the limited control information such as the configuration information of access information, the professional control of MBMS channels such as (MCCH), most of RRC message are all in the MCCH channel.
MCCH information is periodically to send, and UTRAN can repeat to send MCCH information to improve stability.The MCCH message scheduling is consistent for all business.
Referring to Fig. 4, Fig. 4 is a MCCH message scheduling cycle schematic diagram.Whole M CCH information transmitted periodically based on " repetition period "." modification cycle " is defined as the integral multiple of " repetition period ".MBMS AccessInformation transmitted periodically based on " access information cycle "." repetition period " is again the integral multiple in " access information cycle " simultaneously.
The RRC message of the last carrying of MCCH mainly comprises: MBMS access information (MBMS AccessInformation, MAI), MBMS revises business information (MBMS Modified Services Information, MSI), the RB configuration information (Changed RB Configuration Information) that changes, the non-modification business information of MBMS (MBMS Unmodified Services Information), RB configuration information of non-variation (UnchangedRB Configuration Information) or the like.
Wherein, information such as MBMS Modified Services Information are that key message key message in a modification cycle is immovable, and access informations such as MBMS Access Information then are to change at any time.
Receive the professional indication that begins that CN sends at UTRAN: Session Start, or in the MBMS business datum process of transmitting, UTRAN may send the RRC message that comprises access information to UE and carry out the counting operation, to determine or to revise and use point-to-point or put which kind of radio bearer mode in the multiple spot.The transmission course that comprises the RRC message of access information in the agreement comprises following two steps:
1, when MBMS service needed counting, the access relevant information that the access information of UTRAN on MCCH should business in the cycle is transferred to UE as MBMS ACCESS INFORMATION in RRC message;
2, after UE searches this RRC message, therefrom parse this professional access information, whether respond this counting instruction according to oneself current state decision.
Owing to access information needs to send for certain or some business being carried out counting fully, and carry out counting for certain or some business is not a necessary step, neither an operation of carrying out all the time, that is to say that the counting operation is not to carry out always.Therefore have a kind of situation: in a period of time, UTRAN can not carry out counting to any one business, comprises the actual access information that does not comprise any business in the RRC message of MBMS ACCESS INFORMATION this moment.
Owing in the existing standard agreement, just determined the transmission cycle and the change frequency of access information on the MCCH, do not mentioned whether the RRC message that comprises access information must transmission.Therefore, the RRC message that does not comprise actual access information can be sent to UE usually, also can carry out dissection process after UE receives, so not only waste interface-free resources or reduced the utilance of interface-free resources in this situation, and the system resource of having wasted UE.
Summary of the invention
In view of this, the transmission method of access information on the control channel is provided to provide in a kind of MBMS business main purpose of the present invention, improves the utilance of interface-free resources.
For achieving the above object, technical scheme of the present invention specifically is achieved in that
The transmission method of access information on the control channel in a kind of MBMS business, this method is: network side judges whether to carry out counting operation, if the radio resource control RRC message that then will comprise access information sends to user equipment (UE); Otherwise, do not send the RRC message that comprises access information to UE.
The professional ongoing recounting operation of counting operation when wherein, described counting operation can begin for MBMS is professional or MBMS.
Described network side judge whether to carry out counting operation method can for: network side is professional or/and the MBMS business features of current positive transmission according to the MBMS that will transmit, judge whether to carry out counting operation in the section at the fixed time, if then judge at the fixed time and carry out counting operation in the section; Otherwise judge at the fixed time and do not carry out counting operation in the section.
, can further judge whether to carry out counting operation, at the fixed time in the section when carrying out counting operation as the MBMS service needed if then judge at the fixed time and carry out counting operation in the section according to current network s own situation or RRM strategy; Otherwise judge at the fixed time and do not carry out counting operation in the section.
After network side is judged and do not carried out counting operation, further send the notice of not carrying out counting operation or not transmitting access information to UE;
After UE receives this notice,, do not search for the RRC message that comprises access information according to this notice.
Network side can be by MBMS broadcast channel BCCH or MBMS point to multiple spot control channel MCCH, sends to UE and does not carry out counting operation or do not transmit the access information notice.
The length of described predetermined amount of time can or be revised the integral multiple of Cycle Length for: the integral multiple of the integral multiple of access period length or repetition period length.
Network side is judged when not carrying out counting operation in a repetition period or modification cycle, can not carry out counting operation in UE is sent in a repetition period or modification cycle or does not transmit the notice of access information;
UE notifies according to this, does not search for the RRC message that comprises access information or receive RRC message in a repetition period or modification cycle and do not handle.
Network side does not send when comprising the RRC message of access information to UE, and the RRC message that part can be comprised non-access information be arranged in and formerly be used to transmit the position that comprises access information RRC message and transmit;
Network side can further send the transmitting sequence information of RRC message or send the notice of not carrying out counting operation or not transmitting access information to UE;
After UE received this transmitting sequence information, according to this transmitting sequence, search comprised the RRC message of non-access information; Or UE receive do not carry out counting operation or do not transmit the notice of access information after, search comprises the RRC message of non-access information according to original message sequence.
Network side is not when the UE transmission comprises the RRC message of access information, can vacate the former position that comprises access information RRC message that is used to transmit, this is vacated the position and is not transmitted any RRC message, the RRC message that will comprise non-access information is arranged in the origin-location of itself, adopts the mode of discontinuous transmission to be transferred to UE.
As seen from the above technical solutions, the transmission method of access information on the control channel in this MBMS business of the present invention, network side judges whether to count the counting operation, if the radio resource control RRC message that then will comprise access information sends to user equipment (UE); Otherwise, do not send the RRC message that comprises access information to UE.That is to say that network side is not having business to carry out counting when operation among the present invention, do not comprise the RRC message that inserts message eating dishes without rice or wine to transmit, therefore, saved interface-free resources, improved the utilance of interface-free resources.
Description of drawings
Fig. 1 is for supporting the wireless network architecture schematic diagram of multicast/broadcast business;
Fig. 2 receives the entire flow of certain MBMS broadcasting service for the user;
Fig. 3 receives the entire flow of certain MBMS multicast service for the user;
Fig. 4 is a MCCH channel dispatch cycle schematic diagram;
Fig. 5 is the process chart of the present invention's first preferred embodiment;
Fig. 6 is the process chart of the present invention's second preferred embodiment.
Embodiment
For making purpose of the present invention, technical scheme and advantage clearer, below with reference to accompanying drawing and for two example two, the present invention is described in more detail.
The transmission method of access information on the control channel among this MBMS of the present invention, key is: network side judges whether to count the counting operation, if the radio resource control RRC message that then will comprise access information sends to user equipment (UE); Otherwise, do not send the RRC message that comprises access information to UE.
The inventive method has following two kinds of implementations at least:
First kind: network side does not send when comprising the RRC message of access information to UE, will comprise the RRC message of non-access information, and just other RRC message that comprises the MBMS key message is used to transmit the location transmission that comprises access information RRC message and gives UE former;
Second kind: network side when the UE transmission comprises the RRC message of access information, is not vacated the former position that comprises access information RRC message that is used to transmit, and the RRC message that will comprise non-access information adopts the mode of discontinuous transmission to be transferred to UE.
Below lifting two preferred embodiments is elaborated respectively to above-mentioned two kinds of execution modes.
First preferred embodiment:
Present embodiment is above-mentioned first kind of execution mode, and the detailed process of its transmission RRC message is referring to Fig. 5, and Fig. 5 is the process chart of the present invention's first preferred embodiment.This flow process may further comprise the steps:
For example: business such as weather forecast, the people who receives can be a lot of usually, so can not carry out counting operation, directly adopt the bearing mode transmission of point to multiple spot; And some business, such as business such as travel informations, the number of reception is difficult with prediction, so will carry out counting operation usually.
The professional ongoing recounting operation of counting operation when counting operation can be the beginning of MBMS business here or MBMS.A predetermined time period can be a modification cycle (MP) or a repetition period (RP), even also can be an access period, certainly, also can be other section, preferably integral multiples of access period any time.
In this step, UTRAN can judge whether to carry out counting operation according to current network s own situation or RRM strategy.Whether enough be used to carry out counting operation such as the priority of the MBMS business of carrying out counting operation as required or the power resource of network.
The order of step 505～506 can be exchanged, and also can carry out simultaneously.
Like this, through behind step 505～506, UE just can not search for the RRC message that comprises access information in the preset time section after receiving this notice and transmitting sequence information, and only according to this transmitting sequence or original order, search comprises the RRC message of non-access information.
Because UE receives notice after receiving RRC message earlier, so UE wait order such as can keep in RRC message get off, and after having notice, then do not handle receiving RRC message according to this notice.
In the present embodiment, in the former position that is used to transmit the RRC message that comprises access information, the sending part branch comprises the RRC message of non-access information, has improved the utilance of interface-free resources.
Second preferred embodiment:
Present embodiment is above-mentioned second kind of execution mode, and the detailed process of its transmission RRC message is referring to Fig. 6, and Fig. 6 is the process chart of the present invention's second preferred embodiment.This flow process may further comprise the steps:
Step 601 in the present embodiment～602 are identical with step 501～502 among the embodiment one, repeat no more here.
That is to say, not in any RRC message of the location transmission of vacating, be that each RRC message that will comprise non-access information adopts the mode of discontinuous transmission to be transferred to UE in this step.
In the present embodiment, each RRC message that comprises non-access information, other RRC message that comprises the MBMS key message can not take the transmission space of this access information in other words conj.or perhaps, be used to transmit the position that comprises access information RRC message and do not send any RRC message former, saved interface-free resources to UE; Simultaneously, UE can notify or not carry out the notice of counting operation according to not transmitting access information, does not search for any RRC message, the system resource of having saved UE again again at the transmission location of vacating.
By two above-mentioned embodiment as seen, the transmission method of access information on the control channel in this MBMS business of the present invention, network side is not when having the MBMS business to carry out counting operation, do not comprise the RRC message that inserts message eating dishes without rice or wine to transmit, save interface-free resources, improved the utilance of interface-free resources.
Claims (10)
1, the transmission method of access information on the control channel among a kind of multimedia broadcast/group broadcast service MBMS is characterized in that:
Network side judges whether to carry out counting operation, if the radio resource control RRC message that then will comprise access information sends to user equipment (UE); Otherwise, do not send the RRC message that comprises access information to UE.
2, transmission method as claimed in claim 1 is characterized in that: the professional ongoing recounting operation of counting operation when described counting operation is the beginning of MBMS business or MBMS.
3, transmission method as claimed in claim 1, it is characterized in that: described network side judges whether that the method for carrying out counting operation is: network side is professional or/and the MBMS business features of current positive transmission according to the MBMS that will transmit, judge whether to carry out counting operation in the section at the fixed time, if then judge at the fixed time and carry out counting operation in the section; Otherwise judge at the fixed time and do not carry out counting operation in the section.
4, transmission method as claimed in claim 3, it is characterized in that, as the MBMS service needed at the fixed time in the section when carrying out counting operation, further judge whether to carry out counting operation according to current network s own situation or RRM strategy, if then judge at the fixed time and carry out counting operation in the section; Otherwise judge at the fixed time and do not carry out counting operation in the section.
5, as claim 3 or 4 described transmission methods, it is characterized in that: after network side is judged and do not carried out counting operation, further send the notice of not carrying out counting operation or not transmitting access information to UE;
After UE receives this notice,, do not search for the RRC message that comprises access information according to this notice.
6, transmission method as claimed in claim 5 is characterized in that: network side, sends to UE and not to carry out counting operation or not transmit the access information notice to multiple spot control channel MCCH by MBMS broadcast channel BCCH or MBMS point.
7, transmission method as claimed in claim 5 is characterized in that, the length of described predetermined amount of time is: the integral multiple of the integral multiple of the integral multiple of access period length or repetition period length or modification Cycle Length.
8, transmission method as claimed in claim 7 is characterized in that: network side is judged when not carrying out counting operation in a repetition period or modification cycle, is sent in a repetition period or modification cycle to UE
In do not carry out counting operation or do not transmit the notice of access information;
UE notifies according to this, does not search for the RRC message that comprises access information or receive RRC message in a repetition period or modification cycle and do not handle.
9, transmission method as claimed in claim 1, it is characterized in that: network side does not send when comprising the RRC message of access information to UE, and the RRC message that part is comprised non-access information is arranged in and formerly is used to transmit the position that comprises access information RRC message and transmits;
Network side further sends the transmitting sequence information of RRC message or does not carry out counting operation or do not transmit the notice of access information to UE;
After UE received this transmitting sequence information, according to this transmitting sequence, search comprised the RRC message of non-access information; Or UE receive do not carry out counting operation or do not transmit the notice of access information after, search comprises the RRC message of non-access information according to original message sequence.
10, transmission method as claimed in claim 1, it is characterized in that: network side is not when the UE transmission comprises the RRC message of access information, vacate the former position that comprises access information RRC message that is used to transmit, any RRC message is not transmitted in the described position of vacating, the RRC message that will comprise non-access information is arranged in the origin-location of itself, adopts the mode of discontinuous transmission to be transferred to UE.
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| CN200510009252.1A CN100479414C (en) | 2005-02-04 | 2005-02-04 | Transmission method for controlling access-in information on channel in multi-media broadcasting/organization broadcasting business |
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| CN200510009252.1A CN100479414C (en) | 2005-02-04 | 2005-02-04 | Transmission method for controlling access-in information on channel in multi-media broadcasting/organization broadcasting business |
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| CN100479414C true CN100479414C (en) | 2009-04-15 |
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| CN101179806B (en) * | 2006-11-10 | 2011-01-19 | 中兴通讯股份有限公司 | Counting method for statistic mobile terminal of selecting selection service in cell |
| CN101431718B (en) * | 2007-11-06 | 2011-07-20 | 中兴通讯股份有限公司 | Multimedia broadcast/multicast service special carrier frequency cell networking method and system |
| CN101431716B (en) * | 2007-11-08 | 2011-06-22 | 中兴通讯股份有限公司 | Cell search method of multimedia broadcast/multicast service special carrier frequency |
| CN102138351B (en) * | 2009-04-27 | 2013-04-24 | 华为技术有限公司 | Transmitting and obtaining method, apparatus and system for multimedia broadcast multicast service (mbms) control information |
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- 2005-02-04 CN CN200510009252.1A patent/CN100479414C/en active Active
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| Title |
|---|
| Introduction of the Multimedia Broadcast MulticastService(MBMS) in the Radio Access Network (RAN). 3GPP，Organizational，Partners.3GPP TS 25.346 V6.3.0. 2004 |
| Introduction of the Multimedia Broadcast MulticastService(MBMS) in the Radio Access Network (RAN). 3GPP，Organizational，Partners.3GPP TS 25.346 V6.3.0. 2004 * |
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