CN102833684A - Method and system for transmitting multimedia broadcast multicast service and user equipment - Google Patents
Method and system for transmitting multimedia broadcast multicast service and user equipment Download PDFInfo
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- CN102833684A CN102833684A CN2011101644572A CN201110164457A CN102833684A CN 102833684 A CN102833684 A CN 102833684A CN 2011101644572 A CN2011101644572 A CN 2011101644572A CN 201110164457 A CN201110164457 A CN 201110164457A CN 102833684 A CN102833684 A CN 102833684A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
Abstract
The invention provides a method and a system for transmitting an MBMS (multimedia broadcast multicast service) and user equipment. The method comprises the following steps: a network side sends indication information for indicating a carrier in which the MBMS is located to a user terminal UE (user equipment); and the UE receives the MBMS according to the indication information. In the invention, the indication information for indicating the carrier in which the MBMS is located is sent to the UE, and the UE receives the MBMS according to the indication information, therefore, the problem of receiving the MBMS when the carrier in which the UE is resident or serves is different from the carrier in which the MBMS is located is solved, the transmission of the MBMS in a multi-carrier environment is realized, and the requirement of the UE for receiving the MBMS in the multi-carrier environment is satisfied.
Description
Technical field
The present invention relates to moving communicating field, relate in particular to a kind of multimedia broadcast multicast (Multimedia Broadcast Multicast Service, MBMS) business transmitting method, system and subscriber equipment.
Background technology
Along with the fast development of the Internet and popularizing of large-screen multi-functional mobile phone; A large amount of mobile data multimedia services and various high bandwidth multimedia service have appearred, for example video conference, television broadcasting, video request program, video ads, online education, interactive game etc.These mobile data multimedia services and various high bandwidth multimedia service have not only satisfied the business demand that the mobile subscriber constantly rises, and have also brought new business growth point for mobile operator simultaneously.These mobile data multimedia services and various high bandwidth multimedia service require a plurality of users can receive identical data simultaneously, compare with general data service, have characteristics such as data volume is big, longer duration, delay sensitive.
In order to effectively utilize mobile network resource; Third generation partner program (3rd Generation Partnership Project; 3GPP) proposed multimedia broadcast multi-broadcasting business (Multimedia Broadcast Multicast Service, MBMS), the MBMS business is a kind of technology that transmits data from a data source to a plurality of targets; Realize sharing of network (comprising core net and Access Network) resource, improved the utilance of Internet resources (especially air interface resource).The MBMS business of 3GPP definition not only can realize the multicast and the broadcasting of the classes of messages of plain text low rate; Can also realize broadcasting and multicast that high-speed multimedia is professional; Multiple rich video, audio frequency and multimedia service are provided; Complied with following mobile data Development Trend, (3rd Generation, 3G) development of digital communication provides better professional prospect for the third generation.
At present, (Long Term Evolution LTE) has introduced the MBMS business, and in LTE version 10 (R10), has optimized in version 9 (R9) system at Long Term Evolution.The carrying in system of MBMS business needs the control signaling (being also referred to as MBMS control signaling) and the co-transmitted of user data (being also referred to as the MBMS business) to realize; Wherein, the control signaling will be informed receiving terminal, and (User Equipment, UE) etc. the control corresponding parameter guides receiving terminal to go to receive its interested MBMS business (being corresponding user data) to corresponding position like terminal, subscriber equipment.(the control information of this MBMS control signaling; Comprise: be in the LTE system configuration information that MBMS is professional etc.) through multicast control channel (Multicast Control Channel; MCCH) transmit; The MBMS business is to transmit through multicast service channel (MTCH, Multicast Traffic Channel).
The configuration parameter of MCCH repetition period with the cycle of modification all is configured by network side; The networking side is through BCCH (Broadcast Control Channel; BCCH) system information block 13 in (System Information Block13, SIB 13) sends to UE; UE can be known the configuration parameter in the MCCH repetition period and the cycle of modification through reading SIB13 among the BCCH, and UE can read MCCH information on corresponding position.
In the prior art; MBMS control signaling and MBMS business are with Multicast Broadcast Single Frequency Network zone (Multicast Broadcast Single Frequency Network Area; MBSFN Area) transmits; In the MBSFN zone, send control signaling and user data will be that unit uses the MBSFN technology to carry out synchronized transmission with sub-district or eNB; Purpose is to make UE when receiving, can obtain the corresponding gain that merges, and identical data content is sent in each sub-district in the MBSFN Technology Need MBSFN zone on identical running time-frequency resource, so just need carry out unified scheduling and planning to the resource of each sub-district.(Multi-cell/multicast Coordination Entity, MCE) network element carries out the uniform dispatching and the planning of Radio Resource to use many sub-districts/multicast coordination entity at present.
In the LTE system, the sub-district has only a up-link carrier and descending carrier.Long Term Evolution-senior (Long Term Evolution-Advance, the LTE-A) stage is in order to improve the transmission rate of up-downgoing; The up-downgoing of a LTE-A sub-district can be disposed a plurality of component carriers (Component Carrier; CC), a plurality of CC can be gathered together the transmission bandwidth that forms maximum 100MHz, and UE can be in the enterprising line data transmitting-receivings of one or more CC (ability that depends on UE self); This be called carrier aggregation (Carrier Aggregation, CA).Suppose that there are a plurality of up-downgoing component carriers a LTE-A sub-district,,, reduce the power consumption of UE, so idle pulley UE always resides on some component carriers in order to simplify the behavior of idle pulley UE so for UE who is in idle pulley in the sub-district.But after UE gets into connection mode,, need one-component carrier wave activation, carrier wave is managed, UE can be dispatched at the enterprising line data of a plurality of component carriers simultaneously in order to let UE with higher speed transceive data.
In the CA scene, a plurality of carrier waves possibly disposed in identical geographic area.To a connection mode (Radio Resource Control Connected; RRC Connected) UE; Can define a main plot (Primary cell; Pcell) and (Secondary cell, Scell), Pcell and Scell that UE is corresponding are referred to as Serving cell (Serving cell) in one or more auxilliary sub-district.The UE that in 3GPP Rel-10, has MBMS and CA ability can receive the MBMS business at least on Pcell.
Fig. 1 is the professional flow process signal of sending of MBMS; Wherein first stage is service advices (Service announcement), and the purpose of service advices is to send the professional relevant information of MBMS to the user, like the brief description of business, and service parameter, professional time started or the like; Second stage is that session begins (Session Start); Phase III is MBMS service announcements (MBMS notification); Stage is transfer of data (Data transfer); Five-stage is task termination (Session Stop).
UE can be in idle pulley (RRC Idle) or RRC Connected carries out the professional reception of MBMS; In order to reduce system load, the MBMS business can be deployed on one-component carrier wave or a plurality of component carriers.
MBMS transmission is professional in the multicarrier environment, has following problem: for the UE of idle pulley with there is not the UE of CA ability can only reside on the CC, if MBMS is deployed on the additional C C, then UE possibly can't receive the MBMS business; For the UE of CA limited ability, if being deployed in UE, MBMS converges on the CC outside the CC, UE can't receive the MBMS business equally.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of MBMS transmission method, system and subscriber equipment, can be implemented in and receive the MBMS business under the multicarrier environment.
For achieving the above object, technical scheme of the present invention is achieved in that
A kind of MBMS business transmitting method, said method comprises:
Network side sends and is used to indicate the indication information of the professional place of MBMS carrier wave to give UE;
UE is according to said indication information, and it is professional to receive said MBMS.
Further, said network side sends and is used to indicate the indication information of the professional place of MBMS carrier wave to UE to be:
Network side is through MBMS notice information or system message, and one or more the indication information that will include Physical Cell Identifier (PCI), frequency point information, bandwidth information, the component carrier index information of MBMS carrier wave sends to UE.
Wherein, said system message is SIB3, and/or SIB5.
Further, said network side sends and is used for indicating the indication information of the professional place of MBMS carrier wave to UE to be: network side sends the indication information that is used to indicate the professional place of MBMS carrier wave on each carrier wave that system disposes.
Further, said UE is according to said indication information, receives said MBMS business and is:
When including the carrier wave at the professional place of MBMS in the Serving cell of UE, UE directly receives MBMS on the carrier wave at said MBMS place professional;
When not comprising the carrier wave at the professional place of MBMS in the Serving cell of UE, it is professional that UE turns to the sub-district of MBMS place carrier wave to receive MBMS.
Further, said UE turns to the carrier wave reception MBMS business at MBMS place to be:
When said UE is in idle pulley, UE judges whether the MBMS carrier cell satisfies the district reselecting condition, if, then get into the MBMS carrier cell through cell reselection process, it is professional to receive MBMS.
Further, said UE turns to the carrier wave reception MBMS business at MBMS place to be:
When said UE is in connection mode, UE sends a request to network side;
After network side receives described request, judge whether the MBMS carrier cell satisfies switching condition,, then send acceptance response, switch said UE to MBMS carrier cell, carry out the professional reception of MBMS to UE if satisfy.
Further, the said UE request of sending is: UE is through RRC signaling bear described request; Wherein, the content of described request comprises one or more that request indication, MBMS service identification, MBSFN area identification, MBMS carrier wave are indicated.
Further, whether the said MBMS of judgement carrier cell satisfies after the switching condition, and said method also comprises:
When the MBMS carrier cell did not satisfy switching condition, network side sent refusal and responds to UE, after UE receives said refusal response, in the preset time, sent request once more, waited for switching to the MBMS carrier cell.
Further, said in the preset time, the transmission once more asked, and waits for switching to after the MBMS carrier cell; Said method also comprises: the number of times that sends request as said UE surpasses preset permission request number of times; Or the stand-by period stops the request of sending when surpassing preset request timer.
A kind of MBMS service transmission system, said system comprises: network side and UE; Wherein,
Said network side is used to send the indication information that is used to indicate the MBMS business to belong to carrier wave and gives UE;
Said UE is used for according to said indication information, and it is professional to receive said MBMS.
Wherein, said network side further comprises indicating member, is used for through MBMS notice information or system message, and one or more the indication information that will include PCI, frequency point information, bandwidth information, the component carrier index information of MBMS carrier wave sends to UE.
Wherein, said UE specifically is used for when Serving cell includes the carrier wave at the professional place of MBMS, and it is professional directly on the carrier wave at said MBMS place, to receive MBMS; When not comprising the carrier wave at the professional place of MBMS in the Serving cell, turn to the sub-district of MBMS place carrier wave to receive the MBMS business.
Wherein, said UE further comprises selected cell, request unit and receiving element; Wherein,
Said selected cell when being used for UE and being in idle pulley, judges whether the MBMS carrier cell satisfies the district reselecting condition, if then get into the MBMS carrier cell through cell reselection process;
The described request unit is used for UE and is in connection mode, sends a request to network side; Also be used for after said receiving element receives the refusal response that network side returns, in the preset time, sending request once more, wait for switching to the MBMS carrier cell;
Said receiving element is used to receive the professional carrier wave indication information of MBMS, the response that network side returns, and carry out the professional reception of MBMS;
Said network side further comprises response unit, switch unit; Wherein,
Said response unit after being used to receive the request of sending the described request unit, judges whether the MBMS carrier cell satisfies switching condition, if satisfy, then sends acceptance response to said receiving element; If do not satisfy, send the refusal response to said receiving element;
Said switch unit is used to switch said UE to MBMS carrier cell.
Further, the described request unit also be used for surpassing preset permission request number of times when the number of times of the request of sending, or the stand-by period stops the request of sending when surpassing preset request timer.
The professional transmission user equipment of a kind of MBMS, said subscriber equipment comprises: selected cell, request unit and receiving element; Wherein,
Said selected cell is used for when being in idle pulley, judges whether the MBMS carrier cell satisfies the district reselecting condition in the indication information that receives, if then get into the MBMS carrier cell through cell reselection process;
The described request unit is used for when being in connection mode, sending a request to network side; Also be used for after receiving the refusal response that network side returns, in the preset time, sending request once more, wait for switching to the MBMS carrier cell;
Said receiving element is used to receive the professional carrier wave indication information of MBMS, the response that network side returns, and carry out the professional reception of MBMS.
Wherein, the described request unit also be used for surpassing preset permission request number of times when the number of times of the request of sending, or the stand-by period stops the request of sending when surpassing preset request timer.
The present invention will be through being used to indicate the indication information of the professional place of MBMS carrier wave to be sent to UE; UE carries out the professional reception of MBMS according to said indication information; The carrier wave and the MBMS business that have solved or service resident as UE belong to carrier wave not simultaneously; Receive the professional problem of MBMS, realized the transmission of MBMS business in the multicarrier environment, satisfied UE and in the multicarrier environment, received the professional demand of MBMS.
Description of drawings
Fig. 1 is the professional transmission stage sketch map of existing MBMS;
Fig. 2 is the realization flow sketch map of MBMS business transmitting method of the present invention;
Fig. 3 is the realization flow sketch map of the embodiment one of MBMS business transmitting method of the present invention;
Fig. 4 is the realization flow sketch map of the embodiment two of MBMS business transmitting method of the present invention;
Fig. 5 is the composition structural representation of MBMS service transmission system of the present invention;
Fig. 6 is the composition structural representation of the professional transmission user equipment of MBMS of the present invention.
Embodiment
Basic thought of the present invention is: network side sends and is used to indicate the indication information of the professional place of MBMS carrier wave to give user terminal UE; UE is according to said indication information, and it is professional to receive said MBMS.
For making the object of the invention, technical scheme and advantage clearer, below lift embodiment and with reference to accompanying drawing, to further explain of the present invention.
Fig. 2 shows the realization flow of MBMS business transmitting method of the present invention, and is as shown in Figure 2, and said method comprises the steps:
In this step; Said indication information is used to indicate the carrier information at the professional place of MBMS; Specifically can comprise the MBMS carrier wave Physical Cell Identifier (Physical Cell ID, PCI), frequency point information, bandwidth information, component carrier index information one or more;
Here, said network side comprise wireless access network (Radio Access Network, RAN) and core net (Core Network, CN);
Network side sends indication information and can send through the MBMS notice information; Promptly before the MBMS service conversation begins; By broadcast multicast service center (Broadcast Multicast Service Centre, BM-SC) all users in the MBMS service area broadcast; Also can send, specifically go up at eat dishes without rice or wine (Uu) all UE in the sub-district under the eNB are sent by enode (eNB) through system message; Here, can receive said indication information in order to guarantee all users or UE, said MBMS notice information or system message are sent on all carrier waves of system deployment, and preferably, said system message is SIB3 and/or SIB5.
In this step, when including the carrier wave at the professional place of MBMS in the Serving cell of UE, then UE directly receives the MBMS business on the carrier wave at said MBMS place; Otherwise UE turns to the carrier wave at MBMS place to receive the MBMS business under the assistance of network side.
Fig. 3 shows the realization flow of the embodiment one of MBMS business transmitting method of the present invention; UE is in idle pulley among the embodiment one; The resident component carrier of UE is CC1, and the MBMS service deployment is on other the one or more CC beyond the CC1, and UE receives or reception MBMS interested business; As shown in Figure 3, said embodiment one comprises the steps:
Here, network side sends MBMS notice information or system message on all carrier waves, and said system message specifically can be SIB3 and/or SIB5; Said indication information is used to indicate the carrier information at the professional place of MBMS, specifically can comprise one or more of PCI, frequency point information, bandwidth information, component carrier index information of MBMS carrier wave;
Particularly, in this step, UE judges at first whether the MBMS carrier cell satisfies the condition of district reselecting, promptly according to S criterion (S-criterion) and R criterion (R-criterion) ordering is measured in adjacent sub-district; And when the MBMS carrier cell satisfies the district reselecting condition, the MBMS carrier cell is carried out district reselecting as limit priority;
Here, concrete cell reselection process is meant when the MBMS carrier cell satisfies the district reselecting condition, considers that the MBMS of UE reception interested is professional; Therefore; Can be earlier with the sub-district of the professional carrier cell of MBMS as limit priority is provided, if there are a plurality of such sub-districts, the sub-district of the professional carrier cell of the MBMS of the interested reception of said UE as limit priority will be provided further then; Or confirm priority according to the ordering of MBMS carrier index; As with minimum index value or the highest index value as limit priority, so, just UE can gravity treatment to the MBMS carrier cell;
After UE got into the MBMS carrier cell, receiving system message and MCCH message then according to above-mentioned message, were carried out the professional reception of MBMS.
Fig. 4 shows the realization flow of the embodiment two of MBMS business transmitting method of the present invention; UE is in connection mode among the embodiment two, and does not have the CA ability, and UE is at component carrier CC1; The MBMS service deployment is on other the one or more CC beyond the CC1, and UE receives or reception MBMS interested business; As shown in Figure 4, said embodiment two comprises the steps:
Here, network side sends MBMS notice information or system message on all carrier waves, and said system message specifically can be SIB3 and/or SIB5; Said indication information is used to indicate the carrier information at the professional place of MBMS, specifically can comprise one or more of PCI, frequency point information, bandwidth information, component carrier index information of MBMS carrier wave;
Particularly, UE reads said MBMS announcement message or system message on CC1, obtain said indication information.
Described request can be carried on the RRC signaling; Here, the RRC signaling can be accomplished information for RRC connects the completion information of reshuffling, RRC connection reconstruction solicited message, RRC connection reconstruction, connects the completion information of setting up, cell update information, insert solicited message, measurement report or dedicated signaling at random;
The content of described request comprises one or more that request indication, MBMS service identification, MBSFN area identification, MBMS carrier wave are indicated.
Particularly, (Radio Resource Management, RRM) consider, judges whether the MBMS carrier cell can be used as the Target cell of UE by combined factors such as algorithm and cell load according to link signal quality, RRM for network side.
When network side judged that the MBMS carrier cell can be used as the Target cell of UE, network side sent acceptance response information to UE; Said acceptance response information can be passed through the RRC signaling bear, and here, said RRC signaling can be existing RRC signaling or special RRC signaling.
Here, UE discharges RRC in former sub-district and connects, and target approach MBMS carrier cell carries out the professional reception of MBMS at said MBMS carrier cell; Wherein, UE can be idle pulley at target MBMS carrier cell, also can be connection mode.
When network side judged that the MBMS carrier cell can not be as the Target cell of UE, network side sent the refusal response message to UE; Said refusal response message can be passed through the RRC signaling bear, and here, said RRC signaling can be existing RRC signaling or special RRC signaling.
Here, after the UE continuation request of sending is meant that UE receives the refusal response message of network side transmission, waits for a period of time, and then send and ask; Wherein, said UE sends the time of request and can in a period of time, confirm at random, like time t of network side definition, then UE (0, t) in time, select a time value to send request at random;
Further; UE can send repeatedly request, and network side can be provided with in advance and allow request number of times N or request timer T to limit the number of times that UE sends request, as request number of times=N or stand-by period >=T; UE is target approach MBMS carrier cell not yet, and then UE stops the request of sending.
Should be appreciated that when said UE be CA UE limited in one's ability, when comprising carrier wave CC1 and CC2 like the Serving cell of UE; The MBMS service deployment is on other the one or more CC outside CC1 and the CC2, and UE is in connection mode, and reception or reception MBMS interested are when professional; At this moment, in the process of the professional transmission of MBMS, remove when execution in step 402; UE can read said MBMS announcement message or system message on CC1 or CC2; Obtain outside the said indication information, other processing procedures are same as described above, repeat no more.
Fig. 5 shows the composition structural representation of MBMS service transmission system of the present invention, and is as shown in Figure 5, and said system comprises: network side and UE; Wherein,
Said network side is used to send the indication information that is used to indicate the MBMS business to belong to carrier wave and gives UE;
Said UE is used for according to said indication information, and it is professional to receive said MBMS.
Preferably; Said network side further comprises indicating member 50; Be used for through MBMS notice information or system message, one or more the indication information that will include PCI, frequency point information, bandwidth information, the component carrier index information of MBMS carrier wave sends to UE; Wherein, said system message specifically can be SIB3 and/or SIB5.
Further, said UE specifically is used for when Serving cell includes the carrier wave at the professional place of MBMS, and it is professional directly on the carrier wave at said MBMS place, to receive MBMS; When not comprising the carrier wave at the professional place of MBMS in the Serving cell, turn to the sub-district of MBMS place carrier wave to receive the MBMS business.
Preferably, said UE further comprises selected cell 53, request unit 54 and receiving element 55; Wherein,
Said selected cell 53 when being used for UE and being in idle pulley, judges whether the MBMS carrier cell satisfies the district reselecting condition, if then get into the MBMS carrier cell through cell reselection process; Be specially, judge at first whether the MBMS carrier cell satisfies the condition of district reselecting, promptly ordering is measured in adjacent sub-district according to S criterion (S-criterion) and R criterion (R-criterion); And when the MBMS carrier cell satisfies the district reselecting condition, the MBMS carrier cell is carried out district reselecting as limit priority;
Described request unit 54 is used for UE and is in connection mode, sends a request to network side; Also be used for after said receiving element 55 receives the refusal response that network side returns, in the preset time, sending request once more, wait for switching to the MBMS carrier cell; Here; Described request can be carried on the RRC signaling, and the RRC signaling can be accomplished information for RRC connects the completion information of reshuffling, RRC connection reconstruction solicited message, RRC connection reconstruction, connects the completion information of setting up, cell update information, insert solicited message, measurement report or dedicated signaling at random; The content of described request comprises one or more that request indication, MBMS service identification, MBSFN area identification, MBMS carrier wave are indicated;
Said receiving element 55 is used to receive the response that network side returns, and carries out the professional reception of MBMS;
Said network side further comprises response unit 52, switch unit 51; Wherein,
Said response unit 52 after being used to receive the request of sending described request unit 54, judges whether the MBMS carrier cell satisfies switching condition, if satisfy, then sends acceptance response to said receiving element 55; If do not satisfy, send the refusal response to said receiving element 55; Particularly, network side is considered according to combined factors such as link signal quality, RRM algorithm and cell loads, is judged whether the MBMS carrier cell can be used as the Target cell of UE; Said acceptance/refusal response message can be passed through the RRC signaling bear, and here, said RRC signaling can be existing RRC signaling or special RRC signaling.
Said switch unit 51 is used to switch said UE to MBMS carrier cell;
Further, described request unit 54 also be used for surpassing preset permission request number of times when the number of times of the request of sending, or the stand-by period stops the request of sending when surpassing preset request timer; Here; Request unit 54 can send repeatedly request, and network side can be provided with in advance and allow request number of times N or request timer T to limit the number of times that UE sends request, as request number of times=N or stand-by period >=T; UE is target approach MBMS carrier cell not yet, then stops the request of sending.
Fig. 6 shows the composition structure of the professional transmission user equipment of MBMS of the present invention, and as shown in Figure 6, said subscriber equipment comprises: selected cell 61, request unit 62 and receiving element 63; Wherein,
Said selected cell 61 is used for when being in idle pulley, judges whether the MBMS carrier cell satisfies the district reselecting condition in the indication information that receives, if then get into the MBMS carrier cell through cell reselection process; Be specially, judge at first whether the MBMS carrier cell satisfies the condition of district reselecting, promptly ordering is measured in adjacent sub-district according to S criterion (S-criterion) and R criterion (R-criterion); And when the MBMS carrier cell satisfies the district reselecting condition, the MBMS carrier cell is carried out district reselecting as limit priority;
Described request unit 62 is used for when being in connection mode, sending a request to network side; Also be used for after receiving the refusal response that network side returns, in the preset time, sending request once more, wait for switching to the MBMS carrier cell; Here; Described request can be carried on the RRC signaling, and the RRC signaling can be accomplished information for RRC connects the completion information of reshuffling, RRC connection reconstruction solicited message, RRC connection reconstruction, connects the completion information of setting up, cell update information, insert solicited message, measurement report or dedicated signaling at random; The content of described request comprises one or more that request indication, MBMS service identification, MBSFN area identification, MBMS carrier wave are indicated;
Said receiving element 63 is used to receive the response that network side returns, and carries out the professional reception of MBMS.
Further, described request unit 62 also be used for surpassing preset permission request number of times when the number of times of the request of sending, or the stand-by period stops the request of sending when surpassing preset request timer; Here; Request unit 62 can send repeatedly request, and network side can be provided with in advance and allow request number of times N or request timer T to limit the number of times that UE sends request, as request number of times=N or stand-by period >=T; UE is target approach MBMS carrier cell not yet, then stops the request of sending.
The above is merely preferred embodiment of the present invention, is not to be used to limit protection scope of the present invention.
Claims (17)
1. multimedia broadcast multicast MBMS business transmitting method is characterized in that said method comprises:
Network side sends and is used to indicate the indication information of the professional place of MBMS carrier wave to give user terminal UE;
UE is according to said indication information, and it is professional to receive said MBMS.
2. method according to claim 1 is characterized in that, said network side sends and is used to indicate the indication information of the professional place of MBMS carrier wave to UE to be:
Network side is through MBMS notice information or system message, and one or more the indication information that will include Physical Cell Identifier PCI, frequency point information, bandwidth information, the component carrier index information of MBMS carrier wave sends to UE.
3. method according to claim 2 is characterized in that, said system message is System information block SIB3, and/or SIB5.
4. method according to claim 1; It is characterized in that said network side sends and is used for indicating the indication information of the professional place of MBMS carrier wave to UE to be: network side sends the indication information that is used to indicate the professional place of MBMS carrier wave on each carrier wave that system disposes.
5. method according to claim 1 is characterized in that, said UE is according to said indication information, receives said MBMS business and is:
When including the carrier wave at the professional place of MBMS in the Serving cell of UE, UE directly receives MBMS on the carrier wave at said MBMS place professional;
When not comprising the carrier wave at the professional place of MBMS in the Serving cell of UE, it is professional that UE turns to the sub-district of MBMS place carrier wave to receive MBMS.
6. method according to claim 5 is characterized in that, said UE turns to the carrier wave reception MBMS business at MBMS place to be:
When said UE is in idle pulley, UE judges whether the MBMS carrier cell satisfies the district reselecting condition, if, then get into the MBMS carrier cell through cell reselection process, it is professional to receive MBMS.
7. method according to claim 5 is characterized in that, said UE turns to the carrier wave reception MBMS business at MBMS place to be:
When said UE is in connection mode, UE sends a request to network side;
After network side receives described request, judge whether the MBMS carrier cell satisfies switching condition,, then send acceptance response, switch said UE to MBMS carrier cell, carry out the professional reception of MBMS to UE if satisfy.
8. method according to claim 7 is characterized in that, the said UE request of sending is: UE is through RRC signaling bear described request; Wherein, the content of described request comprises one or more that request indication, MBMS service identification, MBSFN area identification, MBMS carrier wave are indicated.
9. method according to claim 7 is characterized in that, whether the said MBMS of judgement carrier cell satisfies after the switching condition, and said method also comprises:
When the MBMS carrier cell did not satisfy switching condition, network side sent refusal and responds to UE, after UE receives said refusal response, in the preset time, sent request once more, waited for switching to the MBMS carrier cell.
10. method according to claim 9; It is characterized in that said in the preset time, the transmission once more asked, and waits for switching to after the MBMS carrier cell; Said method also comprises: the number of times that sends request as said UE surpasses preset permission request number of times; Or the stand-by period stops the request of sending when surpassing preset request timer.
11. a MBMS service transmission system is characterized in that, said system comprises: network side and UE; Wherein,
Said network side is used to send the indication information that is used to indicate the MBMS business to belong to carrier wave and gives UE;
Said UE is used for according to said indication information, and it is professional to receive said MBMS.
12. system according to claim 11; It is characterized in that; Said network side further comprises indicating member; Be used for through MBMS notice information or system message, one or more the indication information that will include PCI, frequency point information, bandwidth information, the component carrier index information of MBMS carrier wave sends to UE.
13. system according to claim 11 is characterized in that, said UE specifically is used for when Serving cell includes the carrier wave at the professional place of MBMS, and it is professional directly on the carrier wave at said MBMS place, to receive MBMS; When not comprising the carrier wave at the professional place of MBMS in the Serving cell, turn to the sub-district of MBMS place carrier wave to receive the MBMS business.
14. system according to claim 13 is characterized in that, said UE further comprises selected cell, request unit and receiving element; Wherein,
Said selected cell when being used for UE and being in idle pulley, judges whether the MBMS carrier cell satisfies the district reselecting condition, if then get into the MBMS carrier cell through cell reselection process;
The described request unit is used for UE and is in connection mode, sends a request to network side; Also be used for after said receiving element receives the refusal response that network side returns, in the preset time, sending request once more, wait for switching to the MBMS carrier cell;
Said receiving element is used to receive the professional carrier wave indication information of MBMS, the response that network side returns, and carry out the professional reception of MBMS;
Said network side further comprises response unit, switch unit; Wherein,
Said response unit after being used to receive the request of sending the described request unit, judges whether the MBMS carrier cell satisfies switching condition, if satisfy, then sends acceptance response to said receiving element; If do not satisfy, send the refusal response to said receiving element;
Said switch unit is used to switch said UE to MBMS carrier cell.
15. system according to claim 14 is characterized in that, the described request unit also be used for surpassing preset permission request number of times when the number of times of the request of sending, or the stand-by period stops the request of sending when surpassing preset request timer.
16. the professional transmission user equipment of MBMS is characterized in that said subscriber equipment comprises: selected cell, request unit and receiving element; Wherein,
Said selected cell is used for when being in idle pulley, judges whether the MBMS carrier cell satisfies the district reselecting condition in the indication information that receives, if then get into the MBMS carrier cell through cell reselection process;
The described request unit is used for when being in connection mode, sending a request to network side; Also be used for after receiving the refusal response that network side returns, in the preset time, sending request once more, wait for switching to the MBMS carrier cell;
Said receiving element is used to receive the professional carrier wave indication information of MBMS, the response that network side returns, and carry out the professional reception of MBMS.
17. subscriber equipment according to claim 16 is characterized in that, the described request unit also be used for surpassing preset permission request number of times when the number of times of the request of sending, or the stand-by period stops the request of sending when surpassing preset request timer.
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| CN201110164457.2A CN102833684B (en) | 2011-06-17 | 2011-06-17 | A kind of multimedia broadcast multicast service transmission method, system and user equipment |
| PCT/CN2011/081280 WO2012171293A1 (en) | 2011-06-17 | 2011-10-25 | Method, system and user equipment for transmitting multimedia broadcast and multicast service |
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| CN201110164457.2A CN102833684B (en) | 2011-06-17 | 2011-06-17 | A kind of multimedia broadcast multicast service transmission method, system and user equipment |
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Also Published As
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| WO2012171293A1 (en) | 2012-12-20 |
| CN102833684B (en) | 2019-03-15 |
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