CN102196360A - Multicast broadcast service configuration information change indication method - Google Patents
Multicast broadcast service configuration information change indication method Download PDFInfo
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- CN102196360A CN102196360A CN201010126078XA CN201010126078A CN102196360A CN 102196360 A CN102196360 A CN 102196360A CN 201010126078X A CN201010126078X A CN 201010126078XA CN 201010126078 A CN201010126078 A CN 201010126078A CN 102196360 A CN102196360 A CN 102196360A
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Abstract
The invention discloses a multicast broadcast service configuration information change indication method, which comprises that: a base station periodically transmits allocation information used for indicating the allocation of enhanced multicast broadcast service (EMBS) resources, and periodically transmits configuration information used for indicating the configuration of an EMBS; and the base station carries indication information used for indicating whether the next piece of configuration information is changed or not only into the last piece of allocation information transmitted before the next piece of configuration information; or the base station carries the indication information used for indicating whether the next piece of configuration information is changed or not into the allocation information according to a life cycle configured in the configuration information. By the method, system resources can be saved.
Description
Technical field
The present invention relates to wireless communication technology field, particularly the Multimedia Broadcast Multicast Service configuration information changes indicating means.
Background technology
WiMAX (World Interoperability for Microwave Access Forum, global inserting of microwave interoperability standard) system helps carrying out mobile flow medium service very much.In order to cater to the demand of future market to streaming media service, IEEE 802.16 series standards of using in the WiMAX system provide Multimedia Broadcast Multicast Service (Multicast Broadcast Service, MBS), may also be referred to as enhanced multicast broadcasting service (E-MBS).Broadcasting and multicast service (BCMCS) that MBMS of formulating with 3GPP (MBMS) and 3GPP2 formulate are similar, and it also provides the support to multimedia broadcasting and multicast function.
WiMAX user wants to subscribe to and watch the business of certain E-MBS, can realize by following flow process:
A) user sends subscribe request AAI_DSA-REQ message to the base station, and this E-MBS business pulls subscription
B) base station sends subscription response AAI_DSA_RSP message to the user, confirms that the user can subscribe to this E-MBS business, and simultaneously, the base station provides the carrier identifiers and the E-MBS realm identifier at this E-MBS content place.
C) user receives the Multimedia Broadcast Multicast Service configuration AAI_EMBS_CFG message (also can receive) of base station periodic broadcasting and decodes before step b, by known E-MBS realm identifier, and then the mutual broadcasting service resources that can obtain the zone at the professional place of this E-MBS from this message distributes the position of E-MBSMAP information, size, modulation coding mode, scheduling interval information such as (MSI).
D) user receives E-MBS MAP information and decodes.
E) user is in E-MBS MAP, by coupling E-MBS task identifier, and then can find the position at the professional place of this E-MBS, size, modulation coding mode etc.Simultaneously, the user confirms whether E-MBS configuration variation indication (AAI_E-MBS-CFG Change Indication) information is 1 in E-MBSMAP: if 1, expression AAI_EMBS_CFG message will change, the user need receive next AAI_EMBS_CFG message, promptly in good time execution in step c.
F) in step e, if the match is successful for the user, then the user receives and this E-MBS business of decoding in the position at the professional place of this E-MBS.Because E-MBS MAP information sent by the designated time, afterwards, the user also may receive next E-MBS MAP information, promptly goes to above-mentioned steps d.
In the prior art, a base station can belong to a plurality of MBS_Zone simultaneously.As shown in Figure 1, base station 20 belongs to MBS_zone1 simultaneously, MBS_zone2, and MBS_zone3 and MBS_zone4 can be simultaneously to each MBS_Zone broadcasting AAI_EMBS_CFG.Fig. 2 shows the transmission situation of the professional related news of E-MBS among each MBS_Zone, wherein, E-MBS MAP sends and only sends once in each MSI interval, is used to indicate EMBS business datum data, AAI_EMBS_CFG message is by periodic broadcasting, and its cycle is 16 fixing superframes.MBS_zone1, MBS_zone2, the MSI of MBS_zone3 and MBS_zone4 are respectively 2,4,8 and 16 superframes, and a superframe probably accounts for 20 milliseconds (ms).All comprise AAI_E-MBS-CFG Change Indication information among each E-MBS MAP, take a bit (bit), be used to indicate next AAI_EMBS_CFG message whether to change.The AAI_EMBS_CFG message of vertical alignment shown in Figure 2 is actually a message, has promptly only sent two AAI_EMBS_CFG among Fig. 2 altogether.
In existing E-MBS business configuration (AAI_EMBS_CFG) message, an indication information Lifetime (m) is arranged, can be called the lifetime.In the prior art, the meaning of lifetime is in the lifetime, and the E-MBS configuration messages can not change, and therefore, receiving terminal can no longer receive the decode the E-MBS configuration messages in the lifetime, thereby reaches the purpose of saving receiving terminal electric power.For example, when m value 0～15, expression lifetime time span is the length of 16 * (m+1) individual superframes.When the lifetime expired, receiving terminal should receive the decode the E-MBS configuration messages.
In the send mode of above-mentioned existing E-MBS service related information, only efficient inadequately in the mode of fixed cycle transmission AAI_EMBS_CFG message.Usually AAI_EMBS_CFG message can often not change.If this message did not change in 60 seconds, then in these 60 seconds, the base station will send this message about 187 times (60 seconds/(16*20 millisecond)), send number of times and seem many, and it is many that the signaling consumption of transmitting terminal has also seemed, wasted resource; But, if in order to reduce the transmission cycle that sends number of times and enlarge this message, then because the base station can not change this message between twice transmission of this message, by the time the transmission next time of this message, and in waiting time, the professional corresponding resource allocation of E-MBS can not change, promptly the resource of wishing interpolation can not be added, can increase the time-delay of initiation of services, and wish that the resource that discharges can not discharge, and has also wasted system resource.
In addition, it is also efficient inadequately all to comprise the method that AAI_E-MBS-CFG Change Indication information indicates the variation of AAI_EMBS_CFG message in each E-MBS MAP.For example, in Fig. 2, to send 8 E-MBS MAP between two AAI_EMBS_CFG message, all comprise AAI_E-MBS-CFG Change Indication information among each E-MBSMAP, and all being used to refer to next AAI_EMBS_CFG message, each AAI_E-MBS-CFG Change Indication information whether changes, obviously be to have redundancy, increased signaling consumption, wasted system resource.
Summary of the invention
The embodiment of the invention provides a kind of configuration information of Multimedia Broadcast Multicast Service to change indicating means, can save system resource.
The embodiment of the invention also provides a kind of configuration information change indicator of Multimedia Broadcast Multicast Service, can save system resource.
For achieving the above object, technical scheme of the present invention specifically is achieved in that
A kind of configuration information of Multimedia Broadcast Multicast Service changes indicating means, and this method comprises:
The base station regularly sends the assignment information that is used to indicate Multimedia Broadcast Multicast Service EMBS traffic resource assignment, periodically sends the configuration information that is used to indicate the EMBS business configuration;
In last assignment information that the base station only sends before sending next configuration information, carry and be used to the indication information of indicating next configuration information whether to change;
Perhaps, the base station is according to the lifetime of disposing in the described configuration information, in described assignment information, carries and is used to the indication information of indicating next configuration information whether to change.
Preferably, indication information is carried in the base station in premature last assignment information of described lifetime.
Preferably, if the described lifetime is not 0, then in last assignment information that the base station only sends, carry indication information before sending next configuration information; If the described lifetime is 0, then indication information is carried in the base station in each assignment information.
Preferably, if the described lifetime is not 0, then indication information is carried in the base station in premature last assignment information of described lifetime; If the described lifetime is 0, then indication information is carried in the base station in each assignment information.
Preferably, if the described lifetime is not 0, then indication information in described assignment information, is not carried in the base station; If the described lifetime is 0, then indication information is carried in the base station in each assignment information.
A kind of configuration information of Multimedia Broadcast Multicast Service changes indicating means, and this method comprises:
The base station regularly sends the assignment information that is used to indicate Multimedia Broadcast Multicast Service EMBS traffic resource assignment;
The base station sends the configuration information that is used to indicate the EMBS business configuration as required;
The base station is carried and is used to the indication information of indicating next configuration information whether to change in described assignment information.
Preferably, indication information is carried in the base station in each assignment information, perhaps in last assignment information that only sent, carries indication information before sending next configuration information.
Preferably, the base station further periodically sends configuration information.
Preferably, if the lifetime of described configuration information is 0, then indication information is carried in the base station in each assignment information;
If the lifetime of described configuration information is not 0, then in last assignment information that the base station only sent, carry indication information before sending next configuration information.
Preferably, receiving terminal receives described assignment information, if the indication information in the described assignment information indicates next configuration information not change, then receiving terminal can select not receive next configuration information; Otherwise receiving terminal need receive next configuration information in the position of making an appointment with the base station.
Preferably, described position of making an appointment is frame or a superframe or the subframe before the next assignment information that sends of base station.
Preferably, further carry the positional information that is used to indicate next configuration information transmission position in the described indication information;
Receiving terminal receives described assignment information, if the indication information in the described assignment information indicates next configuration information not change, then receiving terminal can select not receive next described configuration information; Otherwise receiving terminal need receive next configuration information or receive next configuration information in possible position in the position of described positional information indication.
Preferably, the information of the lifetime that is used to indicate next configuration information is further carried in the base station in described assignment information.
Preferably, described indication information comprises: E-MBS configuration variation indication AAI_E-MBS-CFGChange Indication information;
Described configuration information comprises: E-MBS configuration AAI_EMBS_CFG message;
Described assignment information comprises: E-MBS resource allocation E-MBS MAP information.
A kind of configuration information change indicator of Multimedia Broadcast Multicast Service, this device comprises:
Message transmission module is used for sending termly the assignment information that is used to indicate the EMBS traffic resource assignment; Periodically send the configuration information that is used to indicate the EMBS business configuration;
Indicating module only is used for last assignment information of sending before sending next configuration information, carry to be used to the indication information of indicating next configuration information whether to change;
Perhaps, according to the lifetime of disposing in the described configuration information, in described assignment information, carry and be used to the indication information of indicating next configuration information whether to change.
Preferably, described indicating module is further used for, and in premature last assignment information of described lifetime, carries indication information.
Preferably, described indicating module is further used for, if the described lifetime is not 0, then in last assignment information that the base station only sends, carries indication information before sending next configuration information; If the described lifetime is 0, then indication information is carried in the base station in each assignment information.
Preferably, described indicating module is further used for, if the described lifetime is not 0, then indication information is carried in the base station in premature last assignment information of described lifetime; If the described lifetime is 0, then indication information is carried in the base station in each assignment information.
Preferably, described indicating module is further used for, if the described lifetime is not 0, then indication information in described assignment information, is not carried in the base station; If the described lifetime is 0, then indication information is carried in the base station in each assignment information.
Preferably, described indicating module is further used for, and carries to be used to indicate next configuration information to send the positional information of position in indication information.
Preferably, described indicating module is further used for, and carries the information of the lifetime that is used to indicate next configuration information in described assignment information.
A kind of configuration information change indicator of Multimedia Broadcast Multicast Service, this device comprises:
Message transmission module regularly sends the assignment information that is used to indicate Multimedia Broadcast Multicast Service EMBS traffic resource assignment; And send the configuration information be used to indicate the EMBS business configuration as required;
Indicating module is used in described assignment information, carries to be used to the indication information of indicating next configuration information whether to change.
Preferably, described indicating module is further used for carrying indication information in each assignment information, perhaps in last assignment information that only sent, carries indication information before sending next configuration information.
Preferably, described message transmission module further periodically sends configuration information.
Preferably, described indicating module is further used for, if the lifetime of described configuration information is 0, then in each assignment information, carries indication information;
If the lifetime of described configuration information is not 0, then in last assignment information that only before sending next configuration information, sends, carry indication information.
Preferably, described indication information comprises: E-MBS configuration variation indication AAI_E-MBS-CFGChange Indication information;
Described configuration information comprises: E-MBS configuration AAI_EMBS_CFG message;
Described assignment information comprises: E-MBS resource allocation E-MBS MAP information.
As seen from the above technical solutions, the configuration information of this Multimedia Broadcast Multicast Service of the present invention changes indicating means and device, can not need send the EMBS service configuration information according to the fixed cycle, by the indication that the EMBS service configuration information is changed, make that communication system can be as required, send the EMBS service configuration information flexibly, wish that the EMBS service resources that adds can in time add thereby make, reduce the time-delay of initiation of services, and wish that the EMBS service resources that discharges also can in time discharge, save system resource.And then, need not send the EMBS service configuration information and also reduce signaling consumption according to the fixed cycle, further saved system resource.Perhaps,, but in all EMBS traffic resource assignment information, do not carry indication information, thereby reduced the redundancy that signaling sends, can save system resource yet even still send the EMBS service configuration information according to the fixed cycle.
Description of drawings
Fig. 1 belongs to a plurality of MBS area schematic simultaneously for the base station;
Fig. 2 is the transmission situation map of the professional related news of existing EMBS;
Fig. 3 is the transmission situation map of the professional related news of EMBS of the embodiment of the invention one;
Fig. 4 is the transmission situation map of the professional related news of EMBS of the embodiment of the invention two;
Fig. 5 is the transmission situation map of the professional related news of EMBS of the embodiment of the invention three;
Fig. 6 is the EMBS configuration information change indicator structural representation of the embodiment of the invention;
Fig. 7 is the AAI_EMBS_CFG message content format chart of the embodiment of the invention.
Embodiment
For making purpose of the present invention, technical scheme and advantage clearer, below with reference to the accompanying drawing embodiment that develops simultaneously, the present invention is described in more detail.
The present invention mainly is the indicating means that the EMBS service configuration information is changed by changing, transmission and its variation indicating means to existing EMBS service configuration information improve, broken the transmission cycle of original EMBS service configuration information, the base station can send the EMBS service configuration information as required, perhaps under the condition that keeps original fixedly transmission cycle, the chance of extra transmission EMBS service configuration information was provided between the fixedly transmission cycle of twice EMBS service configuration information, and realized the EMBS service configuration information is specifically sent the indication of position, make communication system can send the EMBS service configuration information as required flexibly, wish that the EMBS service resources that adds can in time add thereby make, reduce the time-delay of initiation of services, and wish that the EMBS service resources that discharges also can in time discharge, save system resource.
Specifically for sending and indicating this two-part concrete improvement as follows:
The indicating section that AAI_EMBS_CFG message changes carries out improved method: the base station is not in each E-MBS MAP information, carry E-MBS configuration variation indication (AAI_E-MBS-CFG ChangeIndication) information, but in last the E-MBS MAP information that only before sending next AAI_EMBS_CFG message, sends, carry AAI_E-MBS-CFG Change Indication information; Perhaps, according to the lifetime of disposing in the AAI_EMBS_CFG information, in E-MBS MAP, carry AAI_E-MBS-CFG Change Indication information, for example, AAI_E-MBS-CFG Change Indication information can be carried in the base station only in premature last E-MBS MAP of described lifetime.Perhaps, if the described lifetime is not 0, then in last E-MBS MAP information that the base station only sends, carry AAI_E-MBS-CFG ChangeIndication information before sending next AAI_EMBS_CFG information; If the described lifetime is 0, then AAI_E-MBS-CFG Change Indication information is carried in the base station in each E-MBS MAP information; Perhaps, if the described lifetime is not 0, then AAI_E-MBS-CFG Change Indication information is carried in the base station in premature last E-MBS MAP information of described lifetime; If the described lifetime is 0, then AAI_E-MBS-CFG Change Indication information is carried in the base station in each E-MBS MAP information; Perhaps, if the described lifetime is not 0, then AAI_E-MBS-CFGChange Indication information is carried in the base station not in E-MBS MAP information; If the described lifetime is 0, then indication information is carried in the base station in each E-MBS MAP information.
Wherein, (E-MBS MAP information is the information that is used to indicate the EMBS traffic resource assignment in the present WIMAX system to E-MBS MAP information, in other system or the title of the information of using in other versions of WIMAX system may be different with concrete format content, but use when of the present invention, do not limit concrete name of the information, format and content, can be any information that is used to indicate resource allocation, can be referred to as assignment information) being used for of being comprised indicate E-MBS configuration variation indication (AAI_E-MB S-CFG Change Indication) information of EMBS configuration variation (AAI_E-MB S-CFG ChangeIndication information be the information that present WIMAX system is used to indicate the EMBS configuration variation, in other system or the title of the information of using in other versions of WIMAX system may be different with concrete format content, but use when of the present invention, do not limit concrete name of the information, format and content, can be any information that is used to indicate configuration variation, can be referred to as indication information) be used to indicate next EMBS service configuration information whether to change and/or whether exist.The situation whether above-mentioned indication next one is used to indicate the information of EMBS business configuration to exist is meant that the periodicity according to the information of EMBS business configuration sends, and can not send the situation of the information of EMBS business configuration before next E-MBS MAP information.
When being ' 1 ', AAI_E-MBS-CFG Change Indication information (perhaps is other numerical value, the present invention does not limit concrete numerical value), represent that next AAI_EMBS_CFG message will send before next E-MBS MAP information, and this AAI_EMBS_CFG message will change, and receiving terminal need receive this AAI_EMBS_CFG message.When this information was ' 0 ', expression AAI_EMBS_CFG message did not change as yet, and next AAI_EMBS_CFG message can not send before next E-MBS MAP information, and receiving terminal can select not receive this AAI_EMBS_CFG message.
Between current E-MBS MAP information (containing) and next E-MBS MAP information, a plurality of superframes are arranged usually, be assumed to be M (M is a positive integer).For example, when MSI was 2 superframes, M was 2; When MSI was 8 superframes, M was 8.So above-mentioned next AAI_EMBS_CFG message will send by the 1st～M+1 afterwards superframe of superframe (containing) under E-MBS MAP information.Wherein, M+1 superframe is meant and the next E-MBS MAP information superframe that exists together.The concrete transmission position of next AAI_EMBS_CFG message can be that base station and terminal are arranged in advance, for example can fix on a frame/subframe/superframe identical approximately with E-MBS MAP information, or next frame/subframe/superframe, or following two frame/subframe/superframes, and the like; Agreement also can fix on a next E-MBSMAP information frame/subframe/superframe before approximately in advance, or two frame/subframe/superframes before, or three frame/subframe/superframes before, and the like.The present invention recommend next AAI_EMBS_CFG message fix on approximately next E-MBS MAP information (not containing) before frame or subframe or superframe in transmission.
Concrete transmission position also can be by explicit the indicating of identification information, for example increasing by one in existing E-MBSMAP information is used to indicate next configuration information to send the positional information of position, as indicate corresponding deviant (time offset with the Q bit, see Fig. 7), wherein Q is a positive integer.Side-play amount under last E-MBS MAP information that deviant is represented to send before the transmission position of next AAI_EMBS_CFG information and the next AAI_EMBS_CFG information between the transmission position of superframe, frame or subframe, its unit of measurement can be superframe, frame or subframe.
The concrete improvement of the transmission aspect of AAI_EMBS_CFG message is as follows:
AAI_EMBS_CFG message can no longer be carried out periodically sending in the base station, and (AAI_EMBS_CFG information is the information that is used to indicate the EMBS business configuration in the present WIMAX system, in other system or the title of the information of using in other versions of WIMAX system may be different with concrete format content, but use when of the present invention, do not limit concrete name of the information, format and content, can be any information that is used to indicate the EMBS business configuration, can be referred to as configuration information), only need send AAI_EMBS_CFG message as required gets final product, perhaps be retention periods transmission AAI_EMBS_CFG message, also allow to send as required AAI_EMBS_CFG message.Owing to allow to send as required AAI_EMBS_CFG message, the then prolongation that the transmission cycle of AAI_EMBS_CFG message can be suitable, thus can significantly reduce the signaling consumption of transmitting terminal.Simultaneously, by the mechanism of timely change AAI_EMBS_CFG message is provided, the problem of waste resource or increase time-delay has also obtained great reduction.
Above-mentioned the whole bag of tricks can combination in any, forms multiple specific embodiment, now is exemplified below:
Embodiment one
As shown in Figure 3, AAI_EMBS_CFG message is periodically broadcasted in the base station, and broadcast interval is a fixed value, N superframe.N is the positive integer greater than 1, for example 8,16,32,64 etc., and among Fig. 3 16 superframes.
In E-MBS MAP information, comprise E-MBS configuration variation indication (AAI_E-MBS-CFGChange Indication) information.When this information is ' 1 ', represent that next AAI_EMBS_CFG message will send before next E-MBS MAP information, and this AAI_EMBS_CFG message will change, receiving terminal need receive this AAI_EMBS_CFG message.When this information is ' 0 ', expression AAI_EMBS_CFG message does not change as yet, next AAI_EMBS_CFG message can periodically send by original plan, or can not send before next E-MBS MAP information, and receiving terminal can select not receive this AAI_EMBS_CFG message.In the present embodiment, the concrete transmission position of above-mentioned next AAI_EMBS_CFG message is decided to be in advance approximately, transmits in the frame before next E-MBS MAP information.Notice that the indication of E-MBS configuration variation indication imputability is periodically broadcasted by the base station and is in next E-MBS MAP information AAI_EMBS_CFG message before and whether changes, referring to shown in Figure 3.Wherein among zone1 and the zone2, AAI_EMBS_CFG message is except original fixed cycle sends, in several the 4th MSI in a left side, also sent once, promptly indicate the AAI_EMBS_CFG message of (new) among the figure, variation has taken place in this AAI_EMBS_CFG message, so indicate by the AAI_E-MBS-CFGChange Indication information ' 1 ' of carrying in the E-MBS MAP information that sends before this message.And the AAI_EMBS_CFG message that sends in several the 8th MSI in a left side is periodically to send, and whether promptly change all will send.
Embodiment two
As shown in Figure 4, AAI_EMBS_CFG message need not send according to the fixing cycle, simultaneously, comprises E-MBS configuration variation indication (AAI_E-MBS-CFG ChangeIndication) information in E-MBS MAP information.When this information is ' 1 ', represent that next AAI_EMBS_CFG message will send before next E-MBS MAP information, and this AAI_EMBS_CFG message will change, receiving terminal need receive this AAI_EMBS_CFG message.When this information was ' 0 ', expression AAI_EMBS_CFG message did not change as yet, and next AAI_EMBS_CFG message can not send before next E-MBS MAP information, and receiving terminal can select not receive this AAI_EMBS_CFG message.In the present embodiment, the concrete transmission position of above-mentioned next AAI_EMBS_CFG message is decided to be in advance approximately, transmits in the frame before next E-MBS MAP information.
Embodiment three
As shown in Figure 5, AAI_EMBS_CFG message is periodically broadcasted in the base station, and broadcast interval is a fixed value, N superframe.N is the positive integer greater than 1, for example 8,16,32,64 etc., and among Fig. 5 16 superframes.
Simultaneously, in E-MBS MAP information, comprise E-MBS configuration variation indication (AAI_E-MBS-CFGChange Indication) information.When this information is ' 1 ', represent that next AAI_EMBS_CFG message will change, receiving terminal need receive this AAI_EMBS_CFG message.When this information is ' 0 ', represent that next AAI _ MBS_CFG message can not change, receiving terminal can select not receive this AAI_EMBS_CFG message.In fact, no matter whether next AAI_EMBS_CFG message changes, next AAI_EMBS_CFG message all can be by periodically sending in the original plan.Notice that E-MBS MAP information that and if only if is when being positioned at last the E-MBS MAP information that sends before the next AAI_EMBS_CFG message, just to send E-MBS configuration variation indication information; Otherwise, in E-MBSMAP information, do not comprise E-MBS configuration variation indication information.Transmission E-MBS MAP information can reduce the redundancy of transmitting terminal like this, improves system effectiveness.
Embodiment four
Consider the problem of lifetime, for improving system effectiveness, on the basis of the foregoing description, when the lifetime is enabled in the base station, because acquiescence AAI_EMBS_CFG message in the lifetime can not change, comprise E-MBS configuration variation indication information so not be used in each E-MBS MAP information, as long as in the lifetime expires last E-MBS MAP information that the forward direction terminal sends, carry E-MBS configuration variation indication information.When receiving terminal is received this E-MBS configuration variation indication information, and when this indication information is ' 0 ', represent that then the E-MBS configuration messages does not change, even the lifetime arrives, terminal also can receive the decode next AAI_EMBS_CFG message, if this indication information is ' 1 ', represent that then the E-MBS configuration messages changes, terminal need receive next AAI_EMBS_CFG message.
Embodiment five
Similar with embodiment three and four.For improving system effectiveness, when enabling the lifetime, when the lifetime be set to non-0 the time, as long as in premature last E-MBS MAP information of lifetime in last the E-MBS MAP information before each AAI_EMBS_CFG message of (as embodiment four) or base station broadcast (as embodiment three) comprise E-MBS configuration variation indication information.When receiving terminal is received this E-MBS configuration variation indication information, and when being ' 0 ', represent that then the E-MBS configuration messages does not change, and can receive the decode.
And when the lifetime is 0, in each E-MBS MAP information of this lifetime, comprise E-MBS configuration variation indication information.When this E-MBS configuration variation indication information was ' 0 ', expression E-MBS configuration messages did not change; And when this E-MBS configuration variation indication information is ' 1 ', expression E-MBS configuration messages will change, and will transmit before next E-MBS MAP information.So receiving terminal should receive the decode this E-MBS configuration messages.
Embodiment six
Similar with embodiment five.Difference is, is non-0 the time when the lifetime, no longer comprises E-MBS configuration variation indication information in E-MBS MAP information.Other is with embodiment five.
Embodiment seven
On the basis of above-mentioned any embodiment, the concrete transmission position of next AAI_EMBS_CFG message is by explicit the indicating of identification information in the AAI_E-MBS-CFG Change Indication information.For example, indicated value is ' 2 ', represent the corresponding superframe/frame of next AAI_EMBS_CFG message/subframe deviant, promptly transmit in second superframe/frame/subframe before next E-MBS MAP information, be i.e. transmission in penult frame/subframe in the MSI.Or be illustrated in transmission in second superframe/frame/subframe after this E-MBS MAP information.
Embodiment eight
On the basis of above-mentioned any embodiment, in premature last E-MBS MAP information of lifetime or in last the E-MBS MAP information before the AAI_EMBS_CFG message, comprise lifetime (r) the indication (see figure 7) in the next AAI_EMBS_CFG message, promptly by the explicit value that indicates the lifetime in this AAI_EMBS_CFG message of the identification information in the E-MBS MAP information, wherein, lifetime (r) indication takies the R bit, and R is a positive integer.Like this, receiving terminal can accurately learn the described lifetime by E-MBS MAP information, even the lifetime, variation took place, receiving terminal also can know, and need not receive the decode AAI_EMBS_CFG message for this reason.Like this, the energy that can further reduce reception and consumed improves system effectiveness.In addition, accurately learn the described lifetime, can also allow receiving terminal accurately know the next position that needs the AAI_EMBS_CFG message of concern, and not can as prior art blindly this lifetime be set to the last lifetime of being known, cause may needing to pay close attention to more AAI_EMBS_CFG message.
Embodiment nine
On the basis of above-mentioned any embodiment, after in E-MBS MAP information, comprising E-MBS configuration variation indication information and transmission, if receiving terminal can not correctly receive, be uncertain E-MBS configuration variation indication information for ' 0 ' or ' 1 ' time, it can be handled E-MBS configuration variation indication information as ' 1 ', omit the AAI_EMBS_CFG message that should receive when wrong to prevent that receiving terminal from receiving.In addition, indicate the transmission position of next AAI_EMBS_CFG message if adopt the mode that shows in the E-MBS MAP information, if it is wrong that terminal does not receive or receive E-MBS MAP information so, then terminal need might send AAI_EMBS_CFG message the position attempt receiving the decode AAI_EMBS_CFG message, to prevent to omit AAI_EMBS_CFG message.
The present invention also provides a kind of device of in Multimedia Broadcast Multicast Service the variation of configuration information being indicated, and as shown in Figure 6, this device comprises:
Indicating module 602 only is used for last assignment information of sending before sending next configuration information, carry to be used to the indication information of indicating next configuration information whether to change; Perhaps, according to the lifetime of disposing in the described configuration information, in described assignment information, carry and be used to the indication information of indicating next configuration information whether to change.
Preferably, described indicating module 602 can be further used for carrying indication information in premature last assignment information of described lifetime.
Preferably, described indicating module 602 can be further used for, if the described lifetime is not 0, then in last assignment information that the base station only sends, carries indication information before sending next configuration information; If the described lifetime is 0, then indication information is carried in the base station in each assignment information.
Preferably, described indicating module 602 can be further used for, if the described lifetime is not 0, then indication information is carried in the base station in premature last assignment information of described lifetime; If the described lifetime is 0, then indication information is carried in the base station in each assignment information.
Preferably, described indicating module 602 can also be further used for, if the described lifetime is not 0, then indication information in described assignment information, is not carried in the base station; If the described lifetime is 0, then indication information is carried in the base station in each assignment information.
Preferably, described indicating module 602 can also be further used for, and carries to be used to indicate next configuration information to send the positional information of position in indication information.
Preferably, described indicating module 602 can also be further used for, and carries the information of the lifetime that is used to indicate next configuration information in described assignment information.
In addition, each module can also realize in the following way in the device shown in Figure 6:
Indicating module 602 is used in described assignment information, carries to be used to the indication information of indicating next configuration information whether to change.
Preferably, described indicating module 602 can be further used for carrying indication information in each assignment information, perhaps in last assignment information that only sent, carries indication information before sending next configuration information.
Preferably, described message transmission module 601 can further periodically send configuration information.
Preferably, described indicating module 602 can also be further used for, if the lifetime of described configuration information is 0, then in each assignment information, carries indication information;
If the lifetime of described configuration information is not 0, then in last assignment information that only before sending next configuration information, sends, carry indication information.
Wherein, the indication information described in the foregoing description can be: E-MBS configuration variation indication AAI_E-MBS-CFG Change Indication information; Configuration information can be: E-MBS configuration AAI_EMBS_CFG message; Assignment information can be: E-MBS resource allocation E-MBS MAP information.
By the above embodiments as seen, the method and apparatus of in this Multimedia Broadcast Multicast Service of the present invention the variation of configuration information being indicated, can not need send the EMBS service configuration information according to the fixed cycle, by the indication that the EMBS service configuration information is changed, make that communication system can be as required, send the EMBS service configuration information flexibly, wish that the EMBS service resources that adds can in time add thereby make, reduce the time-delay of initiation of services, and wish that the EMBS service resources that discharges also can in time discharge, save system resource.And then, need not send the EMBS service configuration information and also reduce signaling consumption according to the fixed cycle, further saved system resource.Perhaps,, but in all EMBS traffic resource assignment information, do not carry indication information, thereby reduced the redundancy that signaling sends, can save system resource yet even still send the EMBS service configuration information according to the fixed cycle.
Institute is understood that; the above is a better embodiment of the present invention only, and is not intended to limit the scope of the invention, and is within the spirit and principles in the present invention all; any modification of being made, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (14)
1. the configuration information of a Multimedia Broadcast Multicast Service changes indicating means, it is characterized in that this method comprises:
The base station regularly sends the assignment information that is used to indicate Multimedia Broadcast Multicast Service EMBS traffic resource assignment, periodically sends the configuration information that is used to indicate the EMBS business configuration;
In last assignment information that the base station only sends before sending next configuration information, carry and be used to the indication information of indicating next configuration information whether to change;
Perhaps, the base station is according to the lifetime of disposing in the described configuration information, in described assignment information, carries and is used to the indication information of indicating next configuration information whether to change.
2. the configuration information of Multimedia Broadcast Multicast Service as claimed in claim 1 changes indicating means, it is characterized in that described base station in described assignment information, is carried indication information according to the lifetime of disposing in the described configuration information, comprising:
Indication information is carried in the base station in premature last assignment information of described lifetime.
3. the configuration information of Multimedia Broadcast Multicast Service as claimed in claim 1 changes indicating means, it is characterized in that, described base station is carried and is used to the indication information of indicating next configuration information whether to change, and comprising:
If the described lifetime is not 0, then in last assignment information that the base station only sends, carry indication information before sending next configuration information; If the described lifetime is 0, then indication information is carried in the base station in each assignment information.
4. the configuration information of Multimedia Broadcast Multicast Service as claimed in claim 1 changes indicating means, it is characterized in that described base station in described assignment information, is carried indication information according to the lifetime of disposing in the described configuration information, comprising:
If the described lifetime is not 0, then indication information is carried in the base station in premature last assignment information of described lifetime; If the described lifetime is 0, then indication information is carried in the base station in each assignment information.
5. the configuration information of Multimedia Broadcast Multicast Service as claimed in claim 1 changes indicating means, it is characterized in that described base station in described assignment information, is carried indication information according to the lifetime of disposing in the described configuration information, comprising:
If the described lifetime is not 0, then indication information in described assignment information, is not carried in the base station; If the described lifetime is 0, then indication information is carried in the base station in each assignment information.
6. the configuration information of a Multimedia Broadcast Multicast Service changes indicating means, it is characterized in that this method comprises:
The base station regularly sends the assignment information that is used to indicate Multimedia Broadcast Multicast Service EMBS traffic resource assignment;
The base station sends the configuration information that is used to indicate the EMBS business configuration as required;
The base station is carried and is used to the indication information of indicating next configuration information whether to change in described assignment information.
7. the configuration information of Multimedia Broadcast Multicast Service as claimed in claim 6 changes indicating means, it is characterized in that indication information is carried in described base station in assignment information, comprising:
Indication information is carried in the base station in each assignment information, perhaps in last assignment information that only sent, carry indication information before sending next configuration information.
8. the configuration information of Multimedia Broadcast Multicast Service as claimed in claim 7 changes indicating means, it is characterized in that,
The base station further periodically sends configuration information.
9. the configuration information of Multimedia Broadcast Multicast Service as claimed in claim 8 changes indicating means, it is characterized in that indication information is carried in described base station in assignment information, comprising:
If the lifetime of described configuration information is 0, then indication information is carried in the base station in each assignment information;
If the lifetime of described configuration information is not 0, then in last assignment information that the base station only sent, carry indication information before sending next configuration information.
10. the configuration information as the described Multimedia Broadcast Multicast Service of each claim in the claim 1～9 changes indicating means, it is characterized in that,
Receiving terminal receives described assignment information, if the indication information in the described assignment information indicates next configuration information not change, then receiving terminal can select not receive next configuration information; Otherwise receiving terminal need receive next configuration information in the position of making an appointment with the base station.
11. the configuration information of Multimedia Broadcast Multicast Service as claimed in claim 10 changes indicating means, it is characterized in that, described position of making an appointment is frame or a superframe or the subframe before the next assignment information that sends of base station.
12. the configuration information as the described Multimedia Broadcast Multicast Service of each claim in the claim 1～9 changes indicating means, it is characterized in that,
Further carry in the described indication information and be used to indicate next configuration information to send the positional information of position;
Receiving terminal receives described assignment information, if the indication information in the described assignment information indicates next configuration information not change, then receiving terminal can select not receive next described configuration information; Otherwise receiving terminal need receive next configuration information or receive next configuration information in possible position in the position of described positional information indication.
13. the configuration information as the described Multimedia Broadcast Multicast Service of each claim in claim 1～9 or 11 changes indicating means, it is characterized in that,
The information of the lifetime that is used to indicate next configuration information is further carried in the base station in described assignment information.
14. the configuration information as the described Multimedia Broadcast Multicast Service of each claim in claim 1～9 or 11 changes indicating means, it is characterized in that described indication information comprises: E-MBS configuration variation indication AAI_E-MB S-CFG Change Indication information;
Described configuration information comprises: E-MBS configuration AAI_EMBS_CFG message;
Described assignment information comprises: E-MBS resource allocation E-MBS MAP information.
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| EP4214987A4 (en) * | 2020-10-22 | 2024-05-08 | ZTE Corporation | Multicase broadcast service resource configuration and update |
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| EP4214987A4 (en) * | 2020-10-22 | 2024-05-08 | ZTE Corporation | Multicase broadcast service resource configuration and update |
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Application publication date: 20110921 |