CN102387472A - User equipment (UE) and method for receiving multimedia broadcast and multicast service - Google Patents
User equipment (UE) and method for receiving multimedia broadcast and multicast service Download PDFInfo
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- CN102387472A CN102387472A CN2010102764577A CN201010276457A CN102387472A CN 102387472 A CN102387472 A CN 102387472A CN 2010102764577 A CN2010102764577 A CN 2010102764577A CN 201010276457 A CN201010276457 A CN 201010276457A CN 102387472 A CN102387472 A CN 102387472A
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Abstract
The invention discloses user equipment (UE) and a method for receiving a multimedia broadcast and multicast service. The method comprises the following steps that: UE receives information of a multicast control channel (MCCH); the multimedia broadcast and multicast service (MBMS) is received or an MBMS waiting state is entered according to valid area information of the MBMS service contained in the MCCH information and the position information provided by the UE. Through the method, the UE can perform the judgment of the region information, the corresponding MBMS service is received win a valid area, the MCCH information is supervised outside the valid area, so the method for UE to completely receive the MBMS service is realized, the interference of the useless data on the UE can be reduced, and the power loss of the UE for receiving the useless data can be avoided.
Description
Technical field
The present invention relates to Long Term Evolution (LTE; Long Term Evolution) system; Be meant the method for a kind of subscriber equipment (UE, User Equipment) receiving multimedia broadcast and multicast service (MBMS, Multimedia Broadcast Multicast Service) especially.
Background technology
Along with the fast development of 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, advertisement, online education, interactive game etc., this has satisfied the business demand that the mobile subscriber constantly rises on the one hand, also brings new business growth point for mobile operator on the other hand.These mobile data multimedia services 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; It is professional that third generation partner program 3GPP has proposed MBMS; This 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 of 3GPP definition not only can realize the classes of messages multicast and the broadcasting of plain text low rate; But also can realize broadcasting and the multicast that high-speed multimedia is professional; Multiple rich video, audio frequency and multimedia service are provided; This has complied with following mobile data Development Trend undoubtedly, for the development of 3G provides better professional prospect.
At present, in Long Term Evolution version 9 (LTE R9) system, introduced the MBMS business.The carrying in system of MBMS business needs the co-transmitted of control signaling and user data to realize.Wherein, the control signaling will be informed receiving terminal (or terminal, subscriber equipment (UE, User Equipment)) control corresponding parameter, guides UE to receive its interested MBMS professional (being corresponding user data) in corresponding position.(the control information of this MBMS control signaling; Comprise: be in LTE R9 system the configuration information that MBMS is professional etc.) through multicast control channel (MCCH; Multicast Control Channel) transmits; The MBMS business is to transmit through multicast service channel (MTCH, Multicast TrafficChannel).Particularly; The MBMS control signaling of on logic channel MCCH, transmitting (being MCCH information) mainly comprises: the pairing multicast single frequency network (MBSFN of MCCH information; MBMS over a Single Frequency Network) the multicast resource in zone; (ongoing) MBMS business that all are sending in this MBSFN zone (or the MBMS that is referred to as to have begun is professional, or be referred to as the MBMS business of session start), and professional configuration and the attribute information of ongoing MBMS; In logic channel MTCH carrying is the MBMS business datum; Generally carry out with MTCH that corresponding (for example: MBMS business 1 is corresponding with MTCH1 with MBMS is professional; MBMS professional 2 is corresponding with MTCH2), that is to say that what UE read that MBMS business and UE read the MTCH expression is identical implication.
MBMS control signaling (MCCH information) and MBMS business are that scope is sent with the MBSFN zone; MCCH and MBSFN zone are one to one, that is to say that the MCCH information content of the corresponding transmission of different MBS FN zone institute is inequality; Wherein, the MBSFN zone is made up of a series of sub-district.Specifically, a MBSFN zone comprises that one or more are by the sub-district under evolution base station (eNB) control.Fig. 1 is existing MBSFN zone logical schematic, and as shown in the figure, this MBSFN zone comprises 19 sub-districts, and wherein, sub-district 1 to 6 is the sub-district of eNB1 control; Sub-district 7 to 13 is the sub-district of eNB2 control; Sub-district 14 to 19 is the sub-district of eNB3 control.
The sub-district is the basic concept of field of wireless communication, has shown the coverage of wireless signal in logic; The sub-district is that operator plans when carrying out network design, and all there is its unique sign Cell ID each sub-district, and its Cell ID will pass through BCCH (BCCH, Broadcast Control Channel) information and in the sub-district, send; UE can obtain the Cell ID of this sub-district through reading BCCH information; ENB has the sign eNB ID of himself equally, can be through the different different eNB equipment of eNB ID sign; The tracking area of being made up of one group of sub-district (TA, Track zone) is mainly used in the effect of network side paging; This group sub-district will have identical TA value, and sends on the BCCH of each sub-district with the form of tracking area sign indicating number (TAC, Track zone C ode); UE can be known self residing TA position through reading the tracking area sign indicating number in the BCCH information.Further, the pairing MCCH information of MBSFN area will be sent according to certain rules (repetition period, modification cycle), and is specifically as shown in Figure 2.
As shown in Figure 2, MCCH information will repeat to send one or many (repeating among Fig. 2 to have sent 3 times) in the modification cycle; The time interval between MCCH information repeats to send is referred to as the MCCH repetition period; Generally MCCH was revised in the cycle, send the first time of MCCH information to be called first and send, the transmission of each repetition period is called MCCH information and repeats to send, and the MCCH information that repeats to send is identical with the MCCH information content of sending first; The MCCH cycle of revising promptly was illustrated in the different MCCH modification cycles, and the content of the MCCH information of sending can be inequality; Revise content and the content in n cycle in cycle n+1 cycle (different content of having represented MCCH information among Fig. 2 with oblique line square and blank square) inequality like MCCH among Fig. 2; It should be noted that in the MCCH modification cycle, the content of MCCH information can not change, only can follow the repetition period to repeat to send.
The configuration parameter of MCCH repetition period with the cycle of modification all is configured by network side, and the networking side sends to UE through the SIB13 (System Inform ation Block13, system information block 13) among the BCCH; UE can be known the configuration parameter in the MCCH repetition period and the cycle of modification through reading SIB 13 among the BCCH, and UE can read MCCH information on corresponding position.
The MBMS business features is that the data volume of business is big, the longer duration when terminal receives, and average data rate is constant relatively.These characteristics has determined that the professional control information of MBMS is semi-static configuration, i.e. the professional control information of MBMS is " for a long time " remain unchanged (being that continuous a plurality of MCCH modification cycle MCCH information content does not change); Network side will often send a MCCH information (send all the time is to insert because all have new user at any time) that does not have variation like this.For the terminal that has obtained MCCH information,, can cause terminal expense electricity so like this,, receive and relatively power consumption of resolving because MCCH contains much information if all go to receive a MCCH information that does not change at every turn.
So introducing MBMS notification message has been proposed, notification message (or be called MCCHchange notification, or MBMS notification Indicator; Or MBMSnotification information; Or MBMS notification, or the MBMS notification channel, or MBMS notification message or MBMS announcement information; Or the MBMS indication information etc.; This paper is that example is described with MBMS notification), describe next MCCH with a spot of information and revise cycle (Modification Period, MP) the MCCH information of being sent among the MCCH information that will send and this MP whether renewal has taken place; UE only need monitor a spot of MBMS notification message information, goes decision whether to receive MCCH information at hand again according to MBMS notification message terminal.The concrete transmission position of MCCH notification is to inform through the SIB13 among the BCCH; When having overlapping coverage condition in the sub-district, will use a MCCHnotification of unified (common) to indicate many MCCH change situation for all MCCH in the sub-district; Concrete; It specifically is that change has taken place that or that several MCCH that MCCH notification will indicate through its payload (payload); Wherein effectively carrying of MCCH notification is 8bits, uses DCI (Downlink Control Information Downlink Control Information) Format 1C in PDCCH (Physical Downlink Control CHannel Physical Downlink Control Channel), to send; The maximum indication of supporting 8 MCCH of MCCH notification, on behalf of that MCCH, the wherein concrete a certain bit of MCCH notification will inform through SIB13 among the BCCH.MCCH notification repeats to send at MCCH MP, sends number of times and is repeatedly (also can be 1 time), and the main purpose that in MCCH MP, repeats to send MCCH notification is the raising reception reliability.The change indication (MCCH notification) of MCCH message is only triggered by the professional session start of MBMS, and other MCCH message change reasons (for example: session stop, sessionupdated) will can not trigger MCCH notification and send; Be that present MCCHNotification can only reflect that Session Start has taken place the MBMS of the professional Session Start of MBMS and which or several MBSFN Area; That is to say; Following information in the following MCCH message changes and can't on MCCH Notification, embody: 1) configuration information of MCCH channel changes, as: the MBSFN subframe configuration information of a MBSFN area changes; 2) professional Session update (the professional renewal) and the Session Stop (service ending) of MBMS; 3) specific to which MBMS business Session Start has taken place.
According to prior art; In a MBSFN zone; The UE of MBMS ability (MBMScapable) is arranged, and (this patent will be called for short UE; The UE that does not have the MBMS ability is not in the discussion scope of this patent) will in ESG (Electric Service Guide, electronic service guide), select its interested MBMS professional; UE will read MCCH information after selecting its interested MBMS business first, judges through the MCCH information that gets access to whether its interested MBMS business sends.If this MBMS business is sent, then UE will directly read this MBMS business; Otherwise UE will periodically monitor MBMS notification, triggers UE up to notification and receives MCCH information once more, and judge again.Specifically as shown in Figure 3.
It is two states that prior art receives the MBMS service definition with UE, MBMS idle state (MBMS idle condition) and MBMS active state (MBMS state of activation); That is: the UE that is under the MBMS idle state monitors MBMS notification (MBMS notification channel) all the time, and the UE that is under the MBMS active state receives MTCH (the MBMS Traffic Channel promptly receives the MBMS business) all the time.Specifically; When UE to certain/some MBMS is professional when interested; If this/these business would not also begin (not session start; Show that business does not also begin to send), then this UE only monitors Notification (MBMS notification channel) all the time to wait for this/these professional beginnings, and the UE of this moment is in MBMS idle state; When UE to certain/some MBMS is professional when interested; If this/these business would begin (session start; Show that business sends; Service condition is that ongoing MBMS is professional), then this UE receives MTCH (MBMS Traffic Channel) to read this/these business, and the UE of this moment is in the MBMSactive state.
According to prior art, each the ongoing MBMS business that comprises in the MCCH information will be sent in whole M BSFN area; And in MCCH information, will comprise each ongoing MBMS professional configuration and attribute information, this has wherein just comprised the professional effective coverage information (abbreviating area information as) of each ongoing MBMS; This area information has indicated each ongoing MBMS business concrete effective scope of application in MBSFN area.As shown in Figure 4.Among Fig. 4, a certain ongoing MBMS business will be sent in whole M BSFN area, but the sub-district that oblique line is filled is the professional effective coverage of this MBMS; Promptly this MBMS is professional in the effective coverage just comes into force, and that is to say and can be received by UE.Outside active zone, though UE equally also can receive this MBMS business, the MBMS business that receives is a kind of hash for UE or bothers, and has increased the power consumption of UE.
The problem that exists at present is: network side sends MBMS in whole M BSFN area professional, and in MCCH, indicate the professional area information of this MBMS; According to prior art, UE receive the MBMS business will be not can distinguishable region information; This will cause outside the professional effective coverage of MBMS, and it is professional that UE has received this MBMS equally, and the MBMS business that receives is hash or a kind of bothering for UE, and has increased the power consumption of UE.
Summary of the invention
Main purpose of the present invention is to provide a kind of UE and receives the professional method of MBMS, when receiving the MBMS business, can increase the problem of UE power consumption to solve above-mentioned UE at least.
According to an aspect of the present invention, provide a kind of UE to receive the method for MBMS, this method comprises: UE receives multicast control channel MCCH information; UE is according to the effective coverage information of the MBMS business that is comprised in the MCCH information and the positional information that UE is provided self, and it is professional to receive MBMS, perhaps, gets into the MBMS wait state.
Preferably; According to the effective coverage information of the MBMS business that is comprised in the MCCH information and the positional information that UE is provided self; It is professional to receive MBMS; Perhaps, the step of entering MBMS wait state comprises: judge whether the effective coverage information of the MBMS business that is comprised in the MCCH information and the positional information that UE is provided self meet; If judged result is for being, then to receive MBMS professional for UE; If judged result is not, then UE gets into the MBMS wait state.
Preferably; The step that UE gets into the MBMS wait state comprises: UE continues to receive MCCH information; And judge whether the professional effective coverage information of the MBMS that is comprised in the MCCH information receive meets with the positional information that UE is provided self, and if judged result is for being, UE reception MBMS business then; If judged result is that then UE does not keep the MBMS wait state; When this service ending, judged result still for not, then abandons receiving the MBMS business.
Preferably, it is one of following to judge that step that whether professional effective coverage information of the MBMS that comprised in the MCCH information and the positional information that UE is provided self meet comprises: judge whether the corresponding UE self-position of positional information is positioned at the corresponding effective coverage of information, MBMS business effective coverage; Judge whether the corresponding UE self-position of positional information has overlapping with the corresponding effective coverage of information, the professional effective coverage of MBMS.
Preferably, the step of UE continuation reception MCCH information comprises: UE is every to receive MCCH information at a distance from predetermined amount of time.
Preferably, predetermined amount of time is UE configuration or network side configuration.
Preferably, predetermined amount of time is integral multiple or the integral multiple of MCCH repetition period that MCCH revises the cycle.
Preferably, effective coverage information comprises the professional cell information that sends of one of following information: MBMS, the professional base station eNB information of sending of MBMS, the professional tracking area information of sending of MBMS, the professional coordinate information that sends of MBMS at least; Positional information comprises one of following information at least: the eNB identification information of the cell identity information of UE current area, the current eNB of UE, the tracking area information of UE current area, the latitude and longitude information of UE.
According to another aspect of the present invention, a kind of UE is provided, has comprised: the control information receiver module is used to receive multicast control channel MCCH information; The business information receiver module, the positional information that effective coverage information that the MBMS that is used for being comprised according to the MCCH information that the control information receiver module receives is professional and UE are provided self, it is professional to receive MBMS, perhaps, gets into the MBMS wait state.
Preferably, the business information receiver module comprises: judge submodule, be used for judging whether the positional information that effective coverage information that MBMS that MCCH information comprised is professional and UE are provided self meets; Receive submodule, being used in the judged result of judging submodule is under the situation about meeting, and it is professional to receive MBMS; Processing sub, being used in the judged result of judging submodule is under incongruent situation, gets into the MBMS wait state.
Preferably, processing sub comprises: notification unit is used to notify the control information receiver module to continue to receive MCCH information; Notification unit is used for when this service ending, and the judged result of judging submodule then abandons receiving the MBMS business still for not.
Preferably, judge that submodule comprises: first judges submodule, is used to judge whether the corresponding UE self-position of positional information is positioned at the corresponding effective coverage of information, the professional effective coverage of MBMS; Second judges submodule, is used to judge whether the corresponding UE self-position of positional information has overlapping with the corresponding effective coverage of information, the professional effective coverage of MBMS.
Through the present invention; Adopt UE to receive the MBMS business perhaps according to the positional information that professional effective coverage information of the MBMS that is comprised in the said MCCH information and UE are provided self, get into the method for MBMS wait state, having solved UE in the correlation technique can increase the problem of UE power consumption when professional receiving MBMS; Through method of the present invention; UE can carry out the judgement of area information, and it is professional in the effective coverage, to receive corresponding M BMS, outside the effective coverage, monitors MCCH information; Realize that complete UE receives the professional method of MBMS, reduce UE bothering and avoided UE by hash in the power loss that receives hash.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the MBSFN zone logical schematic according to correlation technique;
Fig. 2 is the MCCH information repetition period and modification cycle logic graph of a relation according to correlation technique;
Fig. 3 is the UE reception MBMS business process map according to correlation technique;
Fig. 4 is according to the MBSFN zone of the embodiment of the invention and the sketch map of effective coverage logical relation;
Fig. 5 is the flow chart that receives the professional method of MBMS according to the UE of the embodiment of the invention;
Fig. 6 is the sketch map according to the UE receiving traffic information of the embodiment of the invention;
Fig. 7 is according to the professional flow chart that receives of the MBMS of the embodiment of the invention one;
Fig. 8 is according to the professional flow chart that receives of the MBMS of the adding stand-by period T of the embodiment of the invention two;
Fig. 9 is the structured flowchart according to the UE of the embodiment of the invention;
Figure 10 is the preferred structure block diagram according to the UE of the embodiment of the invention.
Embodiment
Hereinafter will and combine embodiment to specify the present invention with reference to accompanying drawing.Need to prove that under the situation of not conflicting, embodiment and the characteristic among the embodiment among the application can make up each other.
Need to prove that the UE in the embodiment of the invention is the UE that possesses the self poisoning ability and possess the MBMS professional ability, the UE that does not possess the self poisoning ability or do not possess the MBMS professional ability is not within scope of the present invention.
According to embodiments of the invention, provide a kind of UE to receive the professional method of MBMS, as shown in Figure 5, this method comprises:
Step 502, UE receives multicast control channel MCCH information.
Step 504, UE is according to the effective coverage information of the MBMS business that is comprised in the MCCH information and the positional information that UE is provided self, and it is professional to receive MBMS, perhaps, gets into the MBMS wait state.
Step 504 can realize through following mode: judge whether the effective coverage information of the MBMS business that is comprised in the MCCH information and the positional information that UE is provided self meet; If judged result is for being, then to receive MBMS professional for UE; If judged result is not, then UE gets into the MBMS wait state.
Wherein, UE gets into the MBMS wait state and comprises: UE continues to receive MCCH this business effective coverage information to obtain to bring in constant renewal in; And judge whether the positional information that professional effective coverage information of the MBMS that is comprised in the MCCH information that receives and UE are provided self meets; If judged result is for being, then to receive MBMS professional for UE; If judged result is that then UE does not keep the MBMS wait state; When this service ending, if judged result then abandons receiving this MBMS business still for not.Need to prove that the positional information that the renewal of the effective coverage that MBMS is professional or UE self mobility may cause professional effective coverage of MBMS and UE self to be provided meets.
Wherein, judge that the professional effective coverage information of the MBMS that comprised in the MCCH information can comprise with the step whether positional information that UE is provided self meets: judge whether the corresponding UE self-position of positional information is positioned at the corresponding effective coverage of information, MBMS business effective coverage; Or judge whether the corresponding UE self-position of positional information has overlapping with the corresponding effective coverage of information, the professional effective coverage of MBMS.
Further, the step that above-mentioned UE continues reception MCCH information can comprise: the mode that UE receives a kind of optimization of MCCH information is that the every separated predetermined amount of time of UE receives MCCH information, and wherein, predetermined amount of time can be that UE disposes or the network side configuration.Predetermined amount of time is integral multiple or the integral multiple of MCCH repetition period that MCCH revises the cycle.
The professional effective coverage of the MBMS that is comprised in above-mentioned MCCH information information comprises the professional cell information (Cell ID) that sends of one or more following information: MBMS, the professional eNB information (eNB ID) of sending of MBMS, professional tracking area (TA) information (TAC that sends of MBMS; Track Area Code, Tracking Area Code) and the professional coordinate information that sends of MBMS (professional longitude and latitude and the radius that sends of MBMS);
Tracking area information (TAC) information of its current area that the eNB identification information (eNB ID) of its current eNB that the cell identity information (Cell ID), UE that the positional information that UE is provided self comprises its current area that one or more following information: UE obtains according to system information obtained according to system information, UE obtain according to system information, the latitude and longitude information that UE obtains according to the self poisoning device.
Further, whether the positional information that effective coverage information that the MBMS that is comprised in the above-mentioned MCCH of the judgement information is professional and UE are provided self meets, and specifically comprises one of following mode:
When (1) UE positional information (Cell ID) and effective coverage (effective coverage information is CellID or Cell ID group) was overlapping wholly or in part, this judged result was for being;
(2) UE positional information (eNB ID) is positioned at effective coverage (effective coverage information is eNB ID or eNB ID group) when overlapping wholly or in part, and this judged result is for being;
(3) UE positional information (TAC) is positioned at effective coverage (effective coverage information is TAC or TAC group) when overlapping wholly or in part, and this judged result is for being;
When (4) UE positional information (longitude and latitude) was positioned at effective coverage (longitude and latitude and radius information), when overlapping wholly or in part, this judged result was for being.
In the present invention; Defined a kind of new UE and received the professional state of MBMS: MBMS waiting state (MBMS wait state); That is:, UE is receiving three kinds of professional states of MBMS: MBMS idle state and MBMS active state, and MBMS waiting state.
Preceding two states and prior art are identical, and UE periodic MCCH information that receives when being in MBMS waiting state.Be meant in the present invention: when UE to certain/some MBMS professional interested and this/these business begin (session start), whether this UE relatively self-position and this/these professional effective coverages is consistent; What is called is consistent, and is meant: the UE self-position is in this professional effective coverage, and perhaps self-position and this professional effective coverage have overlappingly, if meet then this UE receives MTCH to read professional content, this moment, UE got into MBMS active state; If do not meet then this UE does not receive MTCH (not getting into MBMS active state) can not return to Notification (the MBMS idle state of monitoring yet; Begin because should business); But receive MCCH this professional effective coverage information and professional schedule information all the time to obtain to bring in constant renewal in; The UE of this moment is in MBMS waiting state, up to this service ending (session stop).
For example, interested (for example: transport information), the content carrying of this transport information is on MTCH, comprising the traffic congestion information in a MBSFN zone (as: medium-sized city), traffic accident information etc. for MBMS business for certain UE; The control information of this MBMS professional (being transport information) comprises: configuration information (that is: how the MBMS business is configured on the MTCH) and effective coverage information (as: this transport information is effectively local at which), these control informations all are carried on the MCCH.
UE receives MCCH information to read the control information of this transport information, if this transport information does not begin, then UE no longer continues to receive MCCH, and continues to monitor MBMSNotification (getting into MBMS idle state); If there is the MBMS business to begin, UE will be triggered by Notification, reads MCCH then; Through reading the control information on the MCCH, if the MBMS business of beginning is not its interested transport information, UE continues to monitor Notification; If the MBMS business of beginning is its interested transport information; UE will judge that also whether this professional effective coverage is consistent with himself position; If do not meet; UE gets into MBMS waiting state, periodically receive MCCH up to this service ending to obtain the effective coverage information that possibly bring in constant renewal in; If meet, UE gets into MBMS active state, begins to receive this professional content on the MTCH.
As shown in Figure 6: on a MBSFN zone, transport information adopts through the professional transmission of MBMS and has begun (session start).
The moment 1: position A, C blocks up;
The moment 2: position C blocks up, and position B gets into an accident, (A traffic congestion in position recovers);
The moment 3,4: position C blocks up, (position B traffic accident recovers);
Have a UE interested in the transport information, this UE reads this professional control channel MCCH.
Constantly 1, it is position A that UE reads this professional effective coverage, and C does not meet with himself position, and UE continues periodically to read MCCH, and UE gets into the MBMSwaiting state;
In the moment 2, it is position C that UE reads this professional effective coverage, B; Meet with himself position, UE reads MTCH, obtains this professional content; That is: UE knows relative information: traffic accident has taken place in position B, and position C blocks up, and UE gets into MBMS active state;
Constantly 3, it is position C that UE reads this professional effective coverage, does not meet with himself position, and UE no longer reads MTCH, and UE continues periodically to read MCCH, and UE gets back to MBMS waiting state;
Constantly 4, it is position C that UE reads this professional effective coverage, meets with himself position; UE reads MTCH; Obtain this professional content, that is: UE knows relative information: traffic congestion has taken place in position C, and this is that B moves to position C from the position because the position of UE self has taken place to change.UE gets into MBMS active state.
Below in conjunction with specific embodiment technical scheme of the present invention is further set forth in detail.
Embodiment one
The flow process of the professional method embodiment one that sends of MBMS of the present invention is as shown in Figure 7, comprising:
Step 701:UE selects its interested MBMS professional (e.g.:TMGI, sessionID, MBMS service ID) or MBMS service groups (e.g.:MBSFN area ID, PMCH ID);
Concrete, UE selects interested MBMS service groups to be meant that UE has selected one group of MBMS professional, and UE is interested in this group MBMS business; In general, identify one group of MBMS business with the professional total parameter (for example, MBSFN area ID or PMCH ID) of MBMS;
Step 702:UE receives MCCH information;
Further, comprise all MBMS professional (be that ongoing MBMS is professional, or the MBMS that is referred to as sending being professional) of session start in the MCCH information; That is to say that UE will be known all MBMS business of session start through obtaining MCCH information; Further, comprise also in the MCCH information that each identification information of sessionstart (for example: MBSFN area ID, PMCH ID, TMGI, sessionID, MBMS service ID etc.) and control information (for example: the professional effective coverage of MBMS information etc.)
Step 703:UE judges whether its interested MBMS business sends; The foundation of judging is a prior art; If jump to step 704; Otherwise jump to step 706;
Step 704:UE compares with the professional effective coverage information of MBMS interested according to the positional information of self; If UE is in the professional effective coverage of MBMS, jump to step 705; Otherwise turn back to step 702;
Concrete, the TAC information of its current area that the eNB identification information (eNB ID) of its current eNB that the cell identity information (Cell ID), UE that the positional information of UE self comes from its current area that one or more of surface information down: UE obtains according to system information obtained according to system information, UE obtain according to system information, UE are according to the self poisoning device (for example: the latitude and longitude information of GPS) obtaining;
Concrete process relatively:
When UE positional information (Cell ID) is positioned at effective coverage (effective coverage information is Cell ID or Cell ID group), be judged to be UE in its effective range; Perhaps,
When UE positional information (eNB ID) is positioned at effective coverage (effective coverage information is eNB ID or eNB ID group), be judged to be UE in its effective range; Perhaps,
When UE positional information (TAC) is positioned at effective coverage (effective coverage information is TAC or TAC group), be judged to be UE in its effective range; Perhaps,
When UE positional information (longitude and latitude) is positioned at effective coverage (longitude and latitude and radius information), be judged to be UE in its effective range;
Concrete, being back to step 702, UE is with continuing to read MCCH in expression;
It is professional that step 705:UE receives interested MBMS;
Step 706:UE receives notification information;
Step 707:UE is triggered the MBMS business that receives by notification information.
Can find out, from step 702=＞step 703=＞step 704=＞step 702, possibly keep a circulation here, promptly in this patent, UE gets into MBMS waiting state; The UE circulation is read MCCH information (step 702) and is judged whether UE is positioned at effective coverage (step 704).
Embodiment two
The flow process of the professional method embodiment two that sends of MBMS of the present invention is as shown in Figure 8, comprising:
Step 801 to step 803: with above-mentioned step 701 to 703 identical, repeat no more at this.
Step 804:UE compares with the professional effective coverage information of MBMS interested according to the positional information of self; If UE is in the professional effective coverage of MBMS, jump to step 805; Otherwise jump to step 808;
Concrete, the TAC information of its current area that the eNB identification information (eNB ID) of its current eNB that the cell identity information (Cell ID), UE that the positional information of UE self comes from its current area that one or more of surface information down: UE obtains according to system information obtained according to system information, UE obtain according to system information, UE are according to the self poisoning device (for example: the latitude and longitude information of GPS) obtaining;
Concrete process relatively:
When UE positional information (Cell ID) is positioned at effective coverage (effective coverage information is Cell ID or Cell ID group), be judged to be UE in its effective range; Perhaps,
When UE positional information (eNB ID) is positioned at effective coverage (effective coverage information is eNB ID or eNB ID group), be judged to be UE in its effective range; Perhaps,
When UE positional information (TAC) is positioned at effective coverage (effective coverage information is TAC or TAC group), be judged to be UE in its effective range; Perhaps,
When UE positional information (longitude and latitude) is positioned at effective coverage (longitude and latitude and radius information), be judged to be UE in its effective range;
Concrete, jump to step 808, represent to read MCCH after UE is with stand-by period T; Further, UE reads MCCH once more and refers to that UE located or MCCH modification cycle place reads MCCH information in the last MCCH repetition period;
Step 805 to step 807: identical with above-mentioned step 705 to step 707, repeat no more at this.
Step 808:UE will stand-by period T after, jump to step 802.
Can find out, from step 802=＞step 803=＞step 804=＞step 808=＞step 802, possibly keep a circulation here, promptly in this patent, UE gets into the MBMSwaiting state; UE is periodically reading MCCH information (step 802) and is judging whether UE is positioned at effective coverage (step 804);
If with the stand-by period in the step 808 be provided with very short, consider (being equivalent to does not have step 808, and step 804 directly forwards step 802 to after accomplishing, that is, the above embodiments one) with limiting case T=0 here.This moment UE to accomplish such circulation be often only to need a few tens of milliseconds the required time; Consider that again the interval minimum between the MCCH transmission is the repetition period (minimum 320ms, maximum 2570ms), that is to say that UE possibly the longlyest will accomplish once such circulation at 2570ms=2.56s; For the overwhelming majority's UE, it is too frequent that 2.56s reads a MCCH information, that is to say that the time interval is too short; The possibility of MCCH information generation change in the so short time is little; And for step 804; The UE of most low-speed motions is in the 2.56s interval; Can't move very big position; That is to say step 804 judged result that the judged result of step 804 is caught up with a circulation identical (because the effective coverage does not change, too big variation does not take place yet in the UE position);
Consider above-mentioned reason, if the stand-by period in the step 808 be provided with too little, the MCCH information that will cause the too frequent reception of UE and being absorbed in repeatedly in the unnecessary circulation has caused the expense of UE.
Comprehensive above-mentioned consideration, the reasonable setting of stand-by period T in the step 808 between step 804 and step 802 can be avoided the too frequent MCCH information that reads of UE and is absorbed in repeatedly in the unnecessary circulation; When UE jumps to step 808 behind completing steps 804, will wait for suitable time T, and then jump to step 802;
The time T value has dual mode: UE generates voluntarily, for example the UE value of independently adjusting time T according to oneself movement velocity or electric weight situation; Or network side gives UE T setup time, and UE uses according to the configuration of networking side; Further, consider that MCCH information is sent to follow repetition period and modification cycle that the value of time T is preferably the integral multiple or the integral multiple in modification cycle of repetition period.
Through periodically reading MCCH information, make UE constantly upgrade MCCH information, like this can:
1.UE obtain the professional effective coverage of MBMS information (the professional effective coverage of MBMS information possibly change at any time) accurately;
2. behind the professional session stop of interested MBMS (being the MBMS service ending), can jump to step 806 and step 807 as soon as possible.
Further,, can adjust the cycle and/or the frequency that read MCCH information, avoid the too frequent MCCH information that reads of UE and carry out deterministic process (step 803 and step 804), cause the expense of UE through stand-by period T.
Preferred embodiment 1
In a MBSFN zone, UE selects its interested MBMS professional (present embodiment is an example with MBMS service 1); This moment, the positional information of UE self was Cell id information (present embodiment is an example with Cell ID1); UE will read MCCH information after selecting its interested MBMS business first, judges through the MCCH information that gets access to whether its interested MBMS business sends.
If this MBMS business is sent, UE is known the effective coverage that this MBMS is professional through the MCCH information that gets access to, and present embodiment is one group of CellID information with effective coverage information, { Cell ID2, Cell ID3, Cell ID4, Cell ID5}; UE compares with the professional effective coverage information of MBMS according to the positional information of self, and the UE current position information is not in the effective coverage; Therefore, UE will not receive this MBMS professional (MTCH), receive MCCH information once more, and UE locate or the MCCH modification cycle locates to read MCCH information in the last MCCH repetition period; This moment, UE was in MBMS waiting state.
Further, before UE receives MCCH information once more, will start UE side timer, time-delay T (revising Cycle Length for 4) then, receives MCCH information once more.
In a MBSFN zone, UE selects its interested MBMS service groups (present embodiment is an example with MBSFN area ID); Represent that promptly UE is interested for MBMS business all among this MBSFN area, for example all business of this MBSFN area carrying are all relevant with transport information; This moment, the positional information of UE self was latitude and longitude information (longitude and latitude that present embodiment obtains with GPS is an example); After UE selects its interested MBMS service groups; Will read MCCH information first; Will know that through MCCH information UE total several MBMS business are sent in its interested service groups, present embodiment is example with MBMS service 1 with MBMS service2;
Further; UE knows that through the MCCH information that gets access to this MBMS service1 and MBMS service2 divide other effective coverage information; Present embodiment with MBMSservice1 effective coverage information be GPS1, radius 1} and MBMS service2 effective coverage information are that { GPS2, radius 2} are example; UE compares with the professional effective coverage information of MBMS according to the positional information of self, and UE is not in the effective coverage of MBMS service1, and UE is in the effective coverage of MBMS service2; Therefore, UE reads the business (MTCH2) of MBMS service2, and for MBMS service1, UE will read MCCH information once more at next MCCH repetition period or modification cycle place; For MBMS service1, UE is in MBMS waiting state, and for MBMS service2, UE is in MBMS active state.
Further, before UE receives MCCH information once more, will start UE side timer, time-delay T (5 seconds) then, receives MCCH information once more.
According to embodiments of the invention, a kind of UE is provided, as shown in Figure 9, this UE comprises: control information receiver module 2 and business information receiver module 4 are described in detail in the face of The above results down.
Control information receiver module 2 is used to receive multicast control channel MCCH information; Business information receiver module 4; Be connected to control information receiver module 2, the positional information that effective coverage information that the MBMS that is used for being comprised according to the MCCH information that control information receiver module 2 receives is professional and UE are provided self, it is professional to receive MBMS; Perhaps, get into the MBMS wait state.
Preferably, shown in figure 10, this UE can also comprise following structure:
Business information receiver module 4 comprises: judges submodule 42, receives submodule 44, and processing sub 46, wherein,
Judge submodule 42, be used for judging whether the positional information that effective coverage information that MBMS that MCCH information comprised is professional and UE are provided self meets;
Receive submodule 44, be connected to and judge submodule 42, being used in the judged result of judging submodule 42 is under the situation about meeting, and it is professional to receive MBMS;
Processing sub 46 is connected to and judges submodule 42, and being used in the judged result of judging submodule 42 is under incongruent situation, gets into the MBMS wait state.
Wherein, processing sub 46 comprises: notification unit is used to notify control information receiver module 2 to continue to receive MCCH information; Abandon the unit, be used for when this service ending, the judged result of judging submodule 42 then abandons receiving the MBMS business still for not.
Particularly, be under incongruent situation in the judged result of judging submodule 42, processing sub 46 gets into the MBMS wait state.Notification unit notice control information receiver module 2 continues to receive MCCH information; Judge whether the positional information that effective coverage information that the MBMS that comprised in the MCCH information that submodule 42 judges that control information receiver module 2 continues to receive is professional and UE are provided self meets; Judged result judging submodule 42 is under the situation about meeting, and receives submodule 44 and receives the MBMS business; Judged result judging submodule 42 is under incongruent situation, and processing sub 46 is kept the MBMS wait state; When this service ending, judged result still for not, then abandons receiving the MBMS business.
Further, judge that submodule 42 can also comprise: first judges the submodule 422 and the second judgement submodule 424, wherein,
First judges submodule 422, is used to judge whether the corresponding UE self-position of positional information is positioned at the corresponding effective coverage of information, the professional effective coverage of MBMS;
Second judges submodule 424, is used to judge whether the corresponding UE self-position of positional information has overlapping with the corresponding effective coverage of information, the professional effective coverage of MBMS.
Through embodiment the reception MBMS business realization process of this UE is described in detail below.At first received the control information (present embodiment is an example with MBSFN area ID) of the interested MBMS service groups of UE in the MBSFN zone by control information receiver module 2, this moment, the positional information of UE self was latitude and longitude information (longitude and latitude that present embodiment obtains with GPS is an example); The submodule 42 of judging by in the business information receiver module 4 judges whether the latitude and longitude information of MBSFN area id information and UE self meets, if meet, it is professional then to receive the interested MBMS of UE by the reception submodule in the business information receiver module 4 44; If do not meet; Then receive the control information of MBMS service groups periodically by the notice submodule 46 in the control information receiver module 4; Concrete; Receive the control information of MBMS service groups after in each cycle, waiting for appropriate time T, and judge whether the latitude and longitude information of MBSFN area id information and UE self meets, up to the end of business according to type of service.
Pass through the above embodiment of the present invention; Adopt UE to receive the professional method of MBMS according to the effective coverage information of the MBMS business that is comprised in the said MCCH information and the positional information that UE is provided self; Having solved in the correlation technique UE can increase the problem of UE power consumption when professional receiving MBMS, and then has reduced the power consumption of UE.
Obviously, it is apparent to those skilled in the art that above-mentioned each module of the present invention or each step can realize with the general calculation device; They can concentrate on the single calculation element; Perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element; Thereby; Can they be stored in the storage device and carry out, and in some cases, can carry out step shown or that describe with the order that is different from here by calculation element; Perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is merely the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (12)
1. the professional method of user equipment (UE) receiving multimedia broadcast and multicast service MBMS is characterized in that, comprising:
UE receives multicast control channel MCCH information;
Said UE is according to the effective coverage information of the MBMS business that is comprised in the said MCCH information and the positional information that UE is provided self, and it is professional to receive MBMS, perhaps, gets into the MBMS wait state.
2. the method for claim 1 is characterized in that, the positional information that effective coverage information that the MBMS that is comprised in the said MCCH information of said foundation is professional and UE are provided self, and it is professional to receive MBMS, and perhaps, the step that gets into the MBMS wait state comprises:
Judge whether the effective coverage information of the MBMS business that is comprised in the said MCCH information and the positional information that UE is provided self meet;
If judged result is for being, it is professional that then said UE receives said MBMS;
If judged result is for denying then said UE entering MBMS wait state.
3. method as claimed in claim 2, the step that said UE gets into the MBMS wait state comprises:
Said UE continues to receive MCCH information, and judges whether the positional information that professional effective coverage information of the MBMS that is comprised in the said MCCH information that receives and UE are provided self meets,
If judged result is for being, it is professional that then said UE receives said MBMS;
If judged result is that then said UE does not keep the MBMS wait state; When this service ending, said judged result still for not, then abandons receiving said MBMS business.
4. like claim 2 or 3 described methods, it is characterized in that: the step whether said positional information of judging that effective coverage information that the MBMS that comprised in the said MCCH information is professional and UE are provided self meets comprises one of following:
Judge whether the corresponding UE self-position of said positional information is positioned at the corresponding effective coverage of information, the professional effective coverage of said MBMS;
Judge whether the corresponding UE self-position of said positional information has overlapping with the corresponding effective coverage of information, the professional effective coverage of said MBMS.
5. method as claimed in claim 3 is characterized in that, the step that said UE continues reception MCCH information comprises:
Said UE is every to receive said MCCH information at a distance from predetermined amount of time.
6. method as claimed in claim 5 is characterized in that, said predetermined amount of time is said UE configuration or network side configuration.
7. method as claimed in claim 5 is characterized in that, said predetermined amount of time is integral multiple or the integral multiple of MCCH repetition period that MCCH revises the cycle.
8. like each described method in the claim 1 to 3,5 to 7, it is characterized in that:
Said effective coverage information comprises the professional cell information that sends of one of following information: MBMS, the professional base station eNB information of sending of MBMS, the professional tracking area information of sending of MBMS, the professional coordinate information that sends of MBMS at least; Said positional information comprises one of following information at least: the eNB identification information of the cell identity information of UE current area, the current eNB of UE, the tracking area information of UE current area, the latitude and longitude information of UE.
9. a user equipment (UE) is characterized in that, comprising:
The control information receiver module is used to receive multicast control channel MCCH information;
The business information receiver module, the positional information that effective coverage information that the MBMS that is used for being comprised according to the said MCCH information that said control information receiver module receives is professional and UE are provided self, it is professional to receive MBMS, perhaps, gets into the MBMS wait state.
10. UE as claimed in claim 9 is characterized in that, said business information receiver module comprises:
Judge submodule, be used for judging whether the positional information that effective coverage information that MBMS that said MCCH information comprised is professional and UE are provided self meets;
Receive submodule, the judged result that is used at said judgement submodule is under the situation about meeting, and it is professional to receive MBMS;
Processing sub, the judged result that is used at said judgement submodule is under incongruent situation, gets into the MBMS wait state.
11. UE as claimed in claim 10 is characterized in that, said processing sub comprises:
Notification unit is used to notify said control information receiver module to continue to receive MCCH information;
Abandon the unit, be used for when this service ending, the judged result of said judgement submodule still for not, then abandons receiving said MBMS business.
12. UE as claimed in claim 10 is characterized in that, said judgement submodule comprises:
First judges submodule, is used to judge whether the corresponding UE self-position of said positional information is positioned at the corresponding effective coverage of information, the professional effective coverage of said MBMS;
Second judges submodule, is used to judge whether the corresponding UE self-position of said positional information has overlapping with the corresponding effective coverage of information, the professional effective coverage of said MBMS.
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| CN108024215A (en) * | 2016-11-04 | 2018-05-11 | 中兴通讯股份有限公司 | The transmission method and device of a kind of multicast service |
| CN113068135A (en) * | 2020-01-02 | 2021-07-02 | 维沃移动通信有限公司 | Multicast service processing method, multicast service configuration method and related equipment |
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