CN102056082B - Multicast broadcast service configuration information sending method and device - Google Patents
Multicast broadcast service configuration information sending method and device Download PDFInfo
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Abstract
The invention discloses a kind of multicast broadcast service configuration information sending method and device.In the above-mentioned methods, base station sends Multimedia Broadcast Multicast Service configuration messages with broadcast or multicast message mode, wherein, the positional information of resource mapping indicating structure corresponding to the identification information in territory, multicast broadcasting service area, the territory, transmission multicast broadcasting service area, base station supported base station is carried in Multimedia Broadcast Multicast Service configuration messages; Base station sends the resource mapping indicating structure that in the territory, multicast broadcasting service area supported base station, at least one territory, multicast broadcasting service area is corresponding on Multicast Channel.According to technical scheme provided by the invention, the resource that multicast and broadcast information takies system configuration message can be reduced, reduce the burden of terminal when decode system configuration messages only receiving unicast service.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of multicast broadcast service configuration information sending method and device.
Background technology
Multimedia Broadcast Multicast Service (Multicast Broadcast Service, referred to as MBS) transmit data from a data transmission source (base station) to multiple target terminal, sharing of network (comprising core network and access network) resource can be realized, improve the utilance of Internet resources, especially air interface resource.Along with the universal of the Internet and the development of multimedia technology, the application of multimedia shared service is more and more extensive, and data volume is also increasing simultaneously, carries out Multimedia Broadcast Multicast Service transmission efficiently and also becomes unprecedentedly important for next generation mobile communication system.
Future broadband wireless communication systems can be a multicarrier system, can provide larger bandwidth, and the mode of carrying Multimedia Broadcast Multicast Service can be Independent Carrier Wave or special carrier mode, and namely Multimedia Broadcast Multicast Service monopolizes all running time-frequency resources on certain carrier wave; Another kind of mode is mixed carrier or shared carrier system, and namely Multimedia Broadcast Multicast Service and unicast service share the running time-frequency resource on carrier wave in the mode of time division multiplexing or frequency division multiplexing.
In the prior art, the frame structure of system is made up of superframe, frame and subframe, and one of them superframe comprises several radio frames, comprises several subframes in a radio frames.When Multimedia Broadcast Multicast Service and unicast service time division multiplexing, Multimedia Broadcast Multicast Service takies the whole frequency resources in one or more subframe; When Multimedia Broadcast Multicast Service and unicast service frequency division multiplexing, Multimedia Broadcast Multicast Service only takies component frequency resource in certain subframe.
Example is sent as with Multimedia Broadcast Multicast Service (MBS) configuration information in existing IEEE802.16 standard, the system configuration information that Multimedia Broadcast Multicast Service is relevant all sends in broadcast channel, and be organized in two system messages, be respectively the system configuration message of current wireless base station and the system configuration message of adjacent base station.Specifically can see Fig. 1.
Fig. 1 is the radio frames Resourse Distribute schematic diagram of clean culture/multicast/broadcast hybrid system.As shown in Figure 1, in the wireless communication system of hybrid unicast, multicast and broadcast, the system configuration information relevant to Multimedia Broadcast Multicast Service all sends in broadcast channel, and such as, Multimedia Broadcast Multicast Service maps MBS_MAP message.
But in actual applications, only have and can go to obtain multicast broadcast service configuration information to the interested terminal of Multimedia Broadcast Multicast Service, and multicast broadcast service configuration information is useless to most of unicast service terminal.Especially, when system wouldn't provide Multimedia Broadcast Multicast Service, terminal also needs to receive multicast broadcast service configuration information.Therefore, multicast broadcast service configuration information directly in system configuration message transmission can reduce the efficiency of system configuration message, strengthen and only receive the burden of terminal when decode system configuration messages of unicast service.
Summary of the invention
For multicast broadcast service configuration information in correlation technique directly in system configuration message transmission can reduce the efficiency of system configuration message, increasing only receives the problem of the burden of terminal when decode system configuration messages of unicast service and proposes the present invention, for this reason, main purpose of the present invention is the multicast broadcast service configuration information sending method and the device that provide a kind of improvement, to solve the problem one of at least.
According to an aspect of the present invention, a kind of multicast broadcast service configuration information sending method is provided.
Multicast broadcast service configuration information sending method according to the present invention comprises: base station sends Multimedia Broadcast Multicast Service configuration messages with broadcast or multicast message mode, wherein, the positional information of resource mapping indicating structure corresponding to the identification information in territory, multicast broadcasting service area, the territory, transmission multicast broadcasting service area, base station supported base station is carried in Multimedia Broadcast Multicast Service configuration messages; Base station sends the resource mapping indicating structure that in the territory, multicast broadcasting service area supported base station, at least one territory, multicast broadcasting service area is corresponding on Multicast Channel according to positional information.
According to a further aspect in the invention, a kind of multicast broadcast service configuration information dispensing device is provided.
Multicast broadcast service configuration information dispensing device according to the present invention comprises: the first transmitting element, for sending Multimedia Broadcast Multicast Service configuration messages with broadcast or multicast message mode, wherein, carry the relevant information of the position of this message in Multimedia Broadcast Multicast Service configuration messages, the positional information of resource mapping indicating structure corresponding to territory, multicast broadcasting service area that multicast broadcasting service area domain identifier information that base station is supported, base station are supported; Second transmitting element, for sending the resource location and distributed intelligence that in the territory, multicast broadcasting service area supported base station, at least one territory, multicast broadcasting service area is corresponding on Multicast Channel according to positional information.
By the present invention, in broadcast channel, indicate position and/or the distribution of content of Multimedia Broadcast Multicast Service configuration messages, and in Multicast Channel, send the method for above-mentioned Multimedia Broadcast Multicast Service configuration messages content.To solve in correlation technique multicast broadcast service configuration information directly in system configuration message transmission can reduce the efficiency of system configuration message, strengthen the problem only receiving the burden of terminal when decode system configuration messages of unicast service, and then the resource that multicast and broadcast information takies system configuration message can be reduced, reduce the burden of terminal when decode system configuration messages only receiving unicast service.
Other features and advantages of the present invention will be set forth in the following description, and, partly become apparent from specification, or understand by implementing the present invention.Object of the present invention and other advantages realize by structure specifically noted in write specification, claims and accompanying drawing and obtain.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the radio frames Resourse Distribute schematic diagram of clean culture/multicast/broadcast hybrid system;
Fig. 2 is the flow chart of the multicast broadcast service configuration information sending method according to the embodiment of the present invention;
Fig. 3 is the schematic diagram of the application Multimedia Broadcast Multicast Service configuration messages location index according to the embodiment of the present invention;
Fig. 4 is the schematic diagram of the application Multimedia Broadcast Multicast Service configuration messages location index according to the embodiment of the present invention one;
Fig. 5 is the schematic diagram of the application Multimedia Broadcast Multicast Service configuration messages location index according to the embodiment of the present invention two, embodiment three;
Fig. 6 is the schematic diagram of the application Multimedia Broadcast Multicast Service configuration messages location index according to the embodiment of the present invention four;
Fig. 7 is the structured flowchart of the multicast broadcast service configuration information dispensing device according to the embodiment of the present invention;
Fig. 8 is the structured flowchart of multicast broadcast service configuration information dispensing device according to the preferred embodiment of the invention.
Embodiment
Functional overview
Embodiments provide a kind of multicast broadcast service configuration information sending method and device.Base station sends Multimedia Broadcast Multicast Service configuration messages with broadcast or multicast message mode, wherein, carry in Multimedia Broadcast Multicast Service configuration messages indicate the indication information of the position of follow-up transmission Multimedia Broadcast Multicast Service configuration messages, the positional information of resource mapping indicating structure that the identification information in territory, multicast broadcasting service area that base station is supported, territory, transmission multicast broadcasting service area, base station are corresponding; Base station sends the resource mapping indicating structure that in the territory, multicast broadcasting service area supported base station, at least one territory, multicast broadcasting service area is corresponding on Multicast Channel according to positional information.
The wireless communication system that said method and application of installation mix in clean culture, multicast and broadcast.Within the system, terminal can synchronously and read the system configuration information sent in base station broadcast channel.According to the system configuration information read, terminal can obtain the relevant configuration information of business further, and sets up service connection accordingly.
Terminal can be supported Multimedia Broadcast Multicast Service or not support Multimedia Broadcast Multicast Service.When terminal supports Multimedia Broadcast Multicast Service, can receive and the configuration information of specific Multimedia Broadcast Multicast Service configuration messages acquisition Multimedia Broadcast Multicast Service of decoding.Terminal can be in connection status or idle condition.When terminal is in connection status, can monitors and obtain control information in need.When terminal is in idle condition, the system configuration information on read broadcast channel at the appointed time can be put.
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
Embodiment of the method
According to the embodiment of the present invention, additionally provide a kind of multicast broadcast service configuration information sending method.
Fig. 2 is the flow chart of the multicast broadcast service configuration information sending method according to the embodiment of the present invention.As shown in Figure 2, the method comprises following process (step S201-step S203):
Step S201: base station sends Multimedia Broadcast Multicast Service configuration messages with broadcast or multicast message mode, wherein, the positional information of resource mapping indicating structure corresponding to the identification information in territory, multicast broadcasting service area, the territory, transmission multicast broadcasting service area, base station supported base station is carried in Multimedia Broadcast Multicast Service configuration messages;
Preferably, the territory, multicast broadcasting service area that base station is supported comprises one of following: the partial multicast broadcast service zone that territory, whole multicast broadcasting service area, base station that base station is supported are supported.
Preferably, the territory, whole multicast broadcasting service area that above-mentioned base station is supported includes but not limited to: the territory, multicast broadcasting service area on whole carrier waves that base station is supported; The partial multicast broadcast service zone that base station is supported includes but not limited to: the territory, multicast broadcasting service area on the carrier wave at Multimedia Broadcast Multicast Service configuration messages place.
Preferably, Multimedia Broadcast Multicast Service configuration messages, resource mapping indicating structure (also referred to as resource mapping indication information) are included at least one Resource Block or at least one message structure and send by base station respectively.
Wherein, Multimedia Broadcast Multicast Service configuration messages and resource mapping indicating structure do not belong to same Resource Block or same message structure.
Wherein, above-mentioned resource can be certainly logical resource block, also can be Physical Resource Block.
Preferably, the positional information of above-mentioned resource mapping indicating structure comprise following one of at least: superframe index number, Super frame Offset number, the transmission cycle information of resource mapping indicating structure under predetermined start situation.
Preferably, under the positional information of resource mapping indicating structure is not predefined situation, the positional information of resource mapping indicating structure can also comprise following one of at least: vertical shift number, frame index number, sub-frame offset number, subframe index number.
In specific implementation process, first time supports that the terminal of Multimedia Broadcast Multicast Service can obtain the position of Multimedia Broadcast Multicast Service configuration messages in the following way before obtaining Multimedia Broadcast Multicast Service configuration messages.
(1) support that the terminal of Multimedia Broadcast Multicast Service can search the position of Multimedia Broadcast Multicast Service configuration messages by the mode of blind search;
(2) base station over the broadcast or send the superframe positional information of Multimedia Broadcast Multicast Service configuration messages at least one broadcast, wherein, the superframe positional information of Multimedia Broadcast Multicast Service configuration messages comprises: Multimedia Broadcast Multicast Service configuration messages sends the index information of place superframe next time;
Preferably, the index information that Multimedia Broadcast Multicast Service configuration messages sends place superframe next time comprise following one of at least: superframe index number, Super frame Offset number, the transmission cycle information of Multimedia Broadcast Multicast Service configuration messages under predetermined start situation.
At receiving terminal, support that the terminal of Multimedia Broadcast Multicast Service can obtain the position of Multimedia Broadcast Multicast Service configuration messages according to superframe positional information.
(3) on the broadcast channel of base station in the subframe at Multimedia Broadcast Multicast Service configuration messages place or send the positional information of Multimedia Broadcast Multicast Service configuration messages at least one broadcast, wherein, the positional information of Multimedia Broadcast Multicast Service configuration messages comprises: the index information of the Resource Block that Multimedia Broadcast Multicast Service configuration messages takies or length information.
At receiving terminal, support that the terminal of Multimedia Broadcast Multicast Service can obtain the position of Multimedia Broadcast Multicast Service configuration messages according to above-mentioned positional information.
Can also carry in Multimedia Broadcast Multicast Service configuration messages: the indication information being used to indicate the position of follow-up transmission Multimedia Broadcast Multicast Service configuration messages.
Preferably, indication information includes but not limited to following information:
(1) preferably, base station sends Multimedia Broadcast Multicast Service configuration messages by one of following mode: periodic mode, aperiodic mode.
When base station sends Multimedia Broadcast Multicast Service configuration messages by periodic mode, indication information comprises: the cycle information sending this Multimedia Broadcast Multicast Service configuration messages.
(2) when base station sends Multimedia Broadcast Multicast Service configuration messages by mode aperiodic, indication information comprise following one of at least: base station sends the time migration information of this Multimedia Broadcast Multicast Service configuration messages, the time migration information relative to predetermined fiducial time next time.
In specific implementation process, after terminal gets Multimedia Broadcast Multicast Service configuration messages, according to the above-mentioned indication information carried in Multimedia Broadcast Multicast Service configuration messages, the positional information of follow-up transmission Multimedia Broadcast Multicast Service configuration messages can be obtained.
Preferably, Multimedia Broadcast Multicast Service configuration messages also carries: for the quantity information of the Resource Block of Multimedia Broadcast Multicast Service in subframe.Wherein, after terminal Gains resources maps the positional information of indicating structure, need to map out corresponding resource mapping indicating structure according to this quantity information.
Preferably, system configuration information can also be had to carry for the quantity information of the Resource Block of Multimedia Broadcast Multicast Service in above-mentioned subframe.
Preferably, Multimedia Broadcast Multicast Service configuration messages also carries: the multicast broadcasting service area domain identifier information on whole carrier waves that adjacent base station is supported, and the carrier information that this territory, multicast broadcasting service area is corresponding.
Step S203: base station sends the resource mapping indicating structure that in the territory, multicast broadcasting service area supported base station, at least one territory, multicast broadcasting service area is corresponding on Multicast Channel according to above-mentioned positional information.
Preferably, resource indicating structure comprises: resource location information and resource distribution information.Namely resource location information and resource distribution information are included in resource indicating structure and send by base station.
In specific implementation process, support that the terminal of Multimedia Broadcast Multicast Service obtains the process of multicast broadcast service configuration information, mainly comprise following process:
(1) above-mentioned terminal obtains the positional information of follow-up transmission Multimedia Broadcast Multicast Service configuration messages;
(2) terminal maps the positional information of indicating structure according to positional information Gains resources;
(3) terminal obtains the resource mapping indicating structure comprised at least one resource mapping indicating structure according to the positional information of resource mapping indicating structure, and wherein, this resource mapping indicating structure comprises: resource location information and resource distribution information.
The schematic diagram of the multicast and broadcast configuration messages location index flow process that said process is corresponding specifically can see Fig. 3.
Composition graphs 3, illustrates for WiMax system below.In WiMax system, down control channel is used for bearing system control information.Comprise superframe header information and resource mapping indicating structure (A-MAP) in down control channel, and the Resource Block of resource mapping indicating structure (resource mapping indication information) continues after the Resource Block at superframe header information place.Wherein, superframe header information is divided into main superframe header information and secondary superframe header information.Resource Block original position and the length of main superframe header information are fixed, and comprise the length of secondary superframe header information in main superframe header information; The position of secondary superframe header information is fixed and continues after main superframe header information, its variable-length.
Above-mentioned resource mapping indication information sends in fixing resource mapping indication information region.For the subframe of first on certain superframe, continue after M the distributed resource blocks shared by secondary superframe header information of above-mentioned resource mapping indication information region on frequency partition, place, and take N number of distributed resource blocks.For other descending sub frames in superframe, above-mentioned resource mapping indicating area takies the N number of distributed resource blocks started most of its frequency partition, place.
Above-mentioned resource mapping indication information is further divided into the specific resource mapping indication information of non-user and the specific resource mapping indication information of user.Wherein, the specific resource mapping indication information of non-user is used for sending the information that non-user-specific or user organize use, comprises the resource occupation information of the specific resource mapping indication information of above-mentioned user.The length of its distributed resource blocks taken is fixed.User needs the specific resource mapping indication information of non-user of first decoding, then just may the specific resource mapping indication information of decode users.
Base station sends the resource area of the specific resource mapping instruction of user in the instruction of non-user specific resource mapping with broadcast mode, and in the specific resource mapping instruction of certain user, comprise the resource location of broadcast, such as, the resource location of system configuration message, and a certain information content can be fixing transmission in system configuration message, or bit diagram instruction is used to send.Be described in detail below in conjunction with example.
Embodiment one
In the process of transmitting of multicast broadcast service configuration information, mainly comprise following process:
Base station is configured with on the carrier wave of Multimedia Broadcast Multicast Service each, sends the Multimedia Broadcast Multicast Service configuration messages of this carrier wave in a periodic manner.Wherein, following information can be carried: the all-multicast broadcast service zone that on this carrier wave, this base station is supported is in intrasystem unified identifier (i.e. multicast broadcasting service area domain identifier information) list in this message, the cycle that this message sends, the number of the logical resource that mutual broadcasting service resources region takies in each subframe on this carrier wave, the positional information (as Super frame Offset etc.) of the mutual broadcasting service resources mapping instruction that territory, each multicast broadcasting service area is corresponding and physical control parameter, the all-multicast broadcast service zone that neighbor cell is supported is at intrasystem unified identifier and carrier information etc. corresponding to all-multicast broadcast service zone.
On the broadcast channel of base station in the subframe of the above-mentioned Multimedia Broadcast Multicast Service configuration messages of carrying, such as, in the specific resource mapping indicating structure of a user in the instruction of non-user specific resource mapping, send the positional information of above-mentioned Multimedia Broadcast Multicast Service configuration messages in this subframe and physical control information, such as, the information such as shared logical resource index or length.
Meanwhile, base station sends mutual broadcasting service resources mapping indicating structure in a periodic manner on Multicast Channel.Wherein, this resource mapping indicating structure comprises: the resource location information in certain territory, multicast broadcasting service area that this base station is supported and physical control information, and the transmission cycle of this resource mapping indicating structure in Multicast Channel.
Supporting that the terminal of Multimedia Broadcast Multicast Service obtains in the process of above-mentioned multicast broadcast service configuration information, mainly comprising following process:
Support that the terminal of Multimedia Broadcast Multicast Service can obtain above-mentioned Multimedia Broadcast Multicast Service configuration messages by the method in the transmission cycle of searching for a complete Multimedia Broadcast Multicast Service configuration messages.Further, from this Multimedia Broadcast Multicast Service configuration messages, obtain the Super frame Offset at resource mapping instruction place corresponding to territory, target multicast broadcasting service area.Terminal maps the vertical shift of indicating structure in superframe and sub-frame offset etc. according to the predefined mutual broadcasting service resources of above-mentioned Super frame Offset, system, calculate the subframe position at above-mentioned resource mapping indicating structure place, and the resource location calculated on the predefined resource location of the subframe position at above-mentioned resource mapping indicating structure place or according to predefine method reads the information of above-mentioned resource mapping indicating structure.
Preferably, terminal can also calculate concrete superframe sequence number when this message sends next time or frame number or subframe sequence number according to the transmission cycle of this message obtained from above-mentioned Multimedia Broadcast Multicast Service configuration messages.
Preferably, support that the user of Multimedia Broadcast Multicast Service comes fetching portion or whole multicast broadcast service configuration information by reading the information of above-mentioned non-user specific resource mapping indicating structure, above-mentioned user specific resource mapping indicating structure, above-mentioned Multimedia Broadcast Multicast Service configuration messages and above-mentioned mutual broadcasting service resources mapping indicating structure.Even if support that the user of Multimedia Broadcast Multicast Service is in idle condition, also up-to-date part or all of multicast broadcast service configuration information can be obtained by aforesaid operations.
The schematic diagram of the multicast and broadcast configuration messages location index flow process that said process is corresponding specifically can see Fig. 4.
Embodiment two
In the process of transmitting of multicast broadcast service configuration information, mainly comprise following process:
Base station is configured with on the carrier wave of Multimedia Broadcast Multicast Service each, sends the Multimedia Broadcast Multicast Service configuration messages of this carrier wave in a periodic manner.Wherein, the all-multicast broadcast service zone supported on all carrier waves this base station can be carried in intrasystem unified identifier (i.e. multicast broadcasting service area domain identifier information) list in this message, the offset address of this message transmission next time (such as, skew superframe number etc.), the number of the logical resource that mutual broadcasting service resources region takies in each subframe, the positional information of the mutual broadcasting service resources mapping instruction that territory, each multicast broadcasting service area is corresponding (such as, Super frame Offset etc.) and physical control parameter, the territory, whole multicast broadcasting service area supported, neighbor cell is at intrasystem unified identifier and carrier information etc. that all territory, multicast broadcasting service area is corresponding.
On the broadcast channel of base station in the subframe of the above-mentioned Multimedia Broadcast Multicast Service configuration messages of carrying, such as, in the specific resource mapping indicating structure of a user of non-user specific resource mapping instruction, send the positional information of above-mentioned Multimedia Broadcast Multicast Service configuration messages in this subframe and physical control information, such as, shared logical resource index or length etc.
Meanwhile, base station cycle on Multicast Channel sends mutual broadcasting service resources mapping instruction.The instruction of this resource mapping comprises resource location information and the physical control information in certain territory, multicast broadcasting service area that this base station is supported, and this resource mapping indicates the cycle sent in Multicast Channel.
Supporting that the terminal of Multimedia Broadcast Multicast Service obtains in the process of above-mentioned multicast broadcast service configuration information, mainly comprising following process:
Support that the terminal of Multimedia Broadcast Multicast Service can obtain above-mentioned Multimedia Broadcast Multicast Service configuration messages by the method in the transmission cycle of searching for a complete Multimedia Broadcast Multicast Service configuration messages.And from this Multimedia Broadcast Multicast Service configuration messages, obtain the Super frame Offset at resource mapping indicating structure place corresponding to territory, target multicast broadcasting service area.Terminal maps the vertical shift of indicating structure in superframe and sub-frame offset etc. according to the predefined mutual broadcasting service resources of above-mentioned Super frame Offset, system, calculate the subframe position at above-mentioned resource mapping indicating structure place, and on the resource location calculated on the predefined resource location of the subframe position at above-mentioned resource mapping indicating structure place or according to predefine method, obtain the information of above-mentioned resource mapping indicating structure.
Preferably, support that all right basis of the terminal of Multimedia Broadcast Multicast Service is from above-mentioned Multimedia Broadcast Multicast Service configuration messages, obtain the address offset that this message sends next time, and calculate concrete superframe sequence number when this message sends next time or frame number or subframe sequence number according to this address offset.
Preferably, even if support that the user of Multimedia Broadcast Multicast Service is in idle condition, the configuration information of up-to-date part or all of Multimedia Broadcast Multicast Service can also be obtained by aforesaid operations.
The schematic diagram of the multicast and broadcast configuration messages location index flow process that said process is corresponding specifically can see Fig. 5.
Embodiment three
In the process of transmitting of multicast broadcast service configuration information, mainly comprise following process:
Base station cycle on each carrier wave being configured with Multimedia Broadcast Multicast Service sends the Multimedia Broadcast Multicast Service configuration messages of this carrier wave.Wherein, the all-multicast broadcast service zone of this base station support on this carrier wave can be comprised in intrasystem unified identifier (i.e. multicast service zone identification information) list in this message, the address offset of this message transmission next time, the number of the logical resource that mutual broadcasting service resources region takies in each subframe on this carrier wave, the positional information of the mutual broadcasting service resources mapping instruction that territory, each multicast broadcasting service area is corresponding (such as, Super frame Offset etc.) and physical control parameter, the all-multicast broadcast service zone supported of neighbor cell is at the carrier information etc. of intrasystem unified identifier and correspondence.
On the broadcast channel of base station in the subframe of the above-mentioned Multimedia Broadcast Multicast Service configuration messages of carrying, such as, during superframe header or the specific resource mapping of non-user indicate, the positional information of above-mentioned Multimedia Broadcast Multicast Service configuration messages in this subframe is sent, such as, shared logical resource index or length.
Meanwhile, base station cycle on Multicast Channel sends mutual broadcasting service resources mapping indicating structure.Wherein, this resource mapping indicating structure comprises resource location information and the physical control information in certain territory, multicast broadcasting service area that this base station is supported, and the transmission cycle of this resource mapping indicating structure in Multicast Channel.
Supporting that the terminal of Multimedia Broadcast Multicast Service obtains in the process of above-mentioned multicast broadcast service configuration information, mainly comprising following process:
Support that the terminal of Multimedia Broadcast Multicast Service can obtain above-mentioned Multimedia Broadcast Multicast Service configuration messages by the method in the transmission cycle of searching for a complete Multimedia Broadcast Multicast Service configuration messages.And from this Multimedia Broadcast Multicast Service configuration messages, obtain the Super frame Offset at resource mapping indicating structure place corresponding to territory, target multicast broadcasting service area.Terminal maps the vertical shift of indicating structure in superframe and sub-frame offset etc. according to the predefined mutual broadcasting service resources of above-mentioned Super frame Offset, system, calculate the subframe position at above-mentioned resource mapping indicating structure place, and the resource location calculated on the predefined resource location of the subframe position at above-mentioned resource mapping indicating structure place or according to predefine method reads the information of above-mentioned resource mapping indicating structure.
Preferably, concrete superframe sequence number when supporting address offset that the terminal of Multimedia Broadcast Multicast Service can also to send according to this message obtained from above-mentioned Multimedia Broadcast Multicast Service configuration messages next time to calculate transmission next time of this message or frame number or subframe sequence number.
Preferably, support that the user of Multimedia Broadcast Multicast Service maps by reading the information of above-mentioned non-user specific resource mapping indicating structure, the information of above-mentioned user specific resource mapping indicating structure, above-mentioned Multimedia Broadcast Multicast Service configuration messages and above-mentioned mutual broadcasting service resources the configuration information that indicating structure comes fetching portion or whole Multimedia Broadcast Multicast Service.Even if support that the user of Multimedia Broadcast Multicast Service is in idle condition, the configuration information of up-to-date part or all of Multimedia Broadcast Multicast Service also can be obtained by aforesaid operations.
The schematic diagram of the multicast and broadcast configuration messages location index flow process that said process is corresponding specifically can see Fig. 5.
Embodiment four
In the process of transmitting of multicast broadcast service configuration information, mainly comprise following process:
In an Application Example of the present invention, base station cycle on each carrier wave being configured with Multimedia Broadcast Multicast Service sends the Multimedia Broadcast Multicast Service configuration messages of this carrier wave.Wherein, the all-multicast broadcast service zone of this base station support on this carrier wave can be comprised in intrasystem unified identifier (multicast service zone identification information) list in this message, the cycle that this message sends, the address offset of this message transmission next time, the number of the logical resource that mutual broadcasting service resources region takies in each subframe on this carrier wave, the positional information of the mutual broadcasting service resources mapping indicating structure that territory, each multicast broadcasting service area is corresponding (such as, Super frame Offset etc.) and physical control parameter, the all-multicast broadcast service zone supported of neighbor cell is at the carrier information etc. of intrasystem unified identifier and correspondence.
On the broadcast channel of base station in the subframe of the above-mentioned Multimedia Broadcast Multicast Service configuration messages of carrying, such as, in the specific resource mapping indicating structure of a user of non-user specific resource mapping instruction, send the positional information of above-mentioned Multimedia Broadcast Multicast Service configuration messages in this subframe and physical control information, such as, shared logical resource index or length etc.
Meanwhile, base station cycle on Multicast Channel sends mutual broadcasting service resources mapping indicating structure.Wherein, this resource mapping indicating structure comprises resource location information and the physical control information in certain territory, multicast broadcasting service area that this base station is supported, and the cycle that this resource mapping indicating structure sends in Multicast Channel.
Supporting that the terminal of Multimedia Broadcast Multicast Service obtains in the process of above-mentioned multicast broadcast service configuration information, mainly comprising following process:
Support that the terminal of Multimedia Broadcast Multicast Service can obtain above-mentioned Multimedia Broadcast Multicast Service configuration messages by the method in the transmission cycle of searching for a complete Multimedia Broadcast Multicast Service configuration messages.And from this Multimedia Broadcast Multicast Service configuration messages, obtain the Super frame Offset at resource mapping indicating structure place corresponding to territory, target multicast broadcasting service area.Above-mentioned terminal maps the vertical shift of instruction in superframe and sub-frame offset etc. according to the predefined mutual broadcasting service resources of above-mentioned Super frame Offset, system, calculate the subframe position at above-mentioned resource mapping instruction place, and the resource location calculated on the predefined resource location of the subframe position at above-mentioned resource mapping instruction place or according to predefine method reads the information of above-mentioned resource mapping indicating structure.
Preferably, concrete superframe sequence number when supporting address offset that the terminal of Multimedia Broadcast Multicast Service can also send according to the transmission cycle of this message obtained from above-mentioned Multimedia Broadcast Multicast Service configuration messages and next time to calculate transmission next time of this message or frame number or subframe sequence number.
Support that the user of Multimedia Broadcast Multicast Service maps by obtaining above-mentioned non-user specific resource mapping indicating structure, above-mentioned user specific resource mapping indicating structure, above-mentioned Multimedia Broadcast Multicast Service configuration messages and above-mentioned mutual broadcasting service resources the configuration information that indicating structure comes fetching portion or whole Multimedia Broadcast Multicast Service.Even if support that the user of Multimedia Broadcast Multicast Service is in idle condition, the configuration information of up-to-date part or all of Multimedia Broadcast Multicast Service also can be obtained by aforesaid operations.
The schematic diagram of the multicast and broadcast configuration messages location index flow process that said process is corresponding specifically can see Fig. 6.
By above-described embodiment, the multicast broadcast service configuration information sending method provided.By indicating position and/or the distribution of content of Multimedia Broadcast Multicast Service configuration messages in broadcast channel, and in Multicast Channel, send the strategy of above-mentioned Multimedia Broadcast Multicast Service configuration messages content.The resource of the system configuration information that multicast broadcast service configuration information takies can be reduced, reduce the impact on unicast service, thus the flexibility of system application can be improved to a certain extent.
Device embodiment
According to the embodiment of the present invention, provide firstly a kind of multicast broadcast service configuration information dispensing device.
Fig. 7 is the structured flowchart of the multicast broadcast service configuration information dispensing device according to the embodiment of the present invention.Fig. 8 is the structured flowchart of multicast broadcast service configuration information dispensing device according to the preferred embodiment of the invention.As shown in Figure 7, comprise according to the multicast broadcast service configuration information dispensing device of the embodiment of the present invention: the first transmitting element 70, second transmitting element 72.Be introduced below in conjunction with Fig. 8.
First transmitting element 70, for sending Multimedia Broadcast Multicast Service configuration messages with broadcast or multicast message mode, wherein, carry the relevant information of the position of this message in Multimedia Broadcast Multicast Service configuration messages, the positional information of resource mapping indicating structure corresponding to territory, multicast broadcasting service area that multicast broadcasting service area domain identifier information that base station is supported, base station are supported;
Preferably, first transmitting element, the positional information of the broadcast channel upper transmission Multimedia Broadcast Multicast Service configuration messages also in the subframe at least one broadcast or Multimedia Broadcast Multicast Service configuration messages place, wherein, the positional information of Multimedia Broadcast Multicast Service configuration messages comprises: the index information of the Resource Block that Multimedia Broadcast Multicast Service configuration messages takies or length information.
Preferably, the first transmitting element, also for by periodic mode or aperiodic mode send Multimedia Broadcast Multicast Service configuration messages.
Second transmitting element 72, for sending the resource location and distributed intelligence that in the territory, multicast broadcasting service area supported base station, at least one territory, multicast broadcasting service area is corresponding on Multicast Channel according to above-mentioned positional information.
Preferably, as shown in Figure 8, said apparatus can also comprise: the 3rd transmitting element 74, be connected with the first transmitting element 70, on broadcast channel in the subframe at Multimedia Broadcast Multicast Service configuration messages place or send the positional information of Multimedia Broadcast Multicast Service configuration messages at least one broadcast, wherein, the positional information of Multimedia Broadcast Multicast Service configuration messages comprises: the index information of the Resource Block that Multimedia Broadcast Multicast Service configuration messages takies or length information.
Preferably, 3rd transmitting element 74, also for over the broadcast or send the superframe positional information of Multimedia Broadcast Multicast Service configuration messages at least one broadcast, wherein, the superframe positional information of Multimedia Broadcast Multicast Service configuration messages comprises: Multimedia Broadcast Multicast Service configuration messages sends the index information of place superframe next time.
The method of work that said apparatus is corresponding see the description in Fig. 2 to Fig. 6, can repeat no more herein.
By above-described embodiment, provide a kind of multicast broadcast service configuration information dispensing device.By the first transmitting element, the be combineding with each other of the second transmitting element, the resource of the system configuration information that multicast broadcast service configuration information takies can be reduced, reduce the impact on unicast service, thus the flexibility of system application can be improved to a certain extent.
In sum, pass through the above embodiment of the present invention, the multicast broadcast service configuration information delivery plan provided, the resource of the system configuration information that multicast broadcast service configuration information takies can be reduced, reduce the impact on unicast service, thus the flexibility of system application can be improved to a certain extent.
Obviously, those skilled in the art should be understood that, above-mentioned of the present invention each module or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on network that multiple calculation element forms, alternatively, they can realize with the executable program code of calculation element, thus, they can be stored and be performed by calculation element in the storage device, or they are made into each integrated circuit modules respectively, or the multiple module in them or step are made into single integrated circuit module to realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (17)
1. a multicast broadcast service configuration information sending method, is characterized in that, described method comprises:
Base station sends Multimedia Broadcast Multicast Service configuration messages with broadcast or multicast message mode, wherein, carry the identification information in territory, multicast broadcasting service area supported described base station in described Multimedia Broadcast Multicast Service configuration messages, positional information that described base station sends resource mapping indicating structure corresponding to territory, described multicast broadcasting service area; Described Multimedia Broadcast Multicast Service configuration messages also carries: for the quantity information of the Resource Block of Multimedia Broadcast Multicast Service in subframe;
Described base station sends the resource mapping indicating structure that in the territory, multicast broadcasting service area supported described base station, at least one territory, multicast broadcasting service area is corresponding on Multicast Channel according to described positional information.
2. method according to claim 1, is characterized in that, the territory, multicast broadcasting service area that described base station is supported comprises one of following:
The territory, whole multicast broadcasting service area that described base station is supported, the partial multicast broadcast service zone of described base station support.
3. method according to claim 2, is characterized in that,
The territory, whole multicast broadcasting service area that described base station is supported comprises: the territory, multicast broadcasting service area on whole carrier waves that described base station is supported;
The partial multicast broadcast service zone that described base station is supported comprises: the territory, multicast broadcasting service area on the carrier wave at described Multimedia Broadcast Multicast Service configuration messages place.
4. according to the method in any one of claims 1 to 3, it is characterized in that, described Multimedia Broadcast Multicast Service configuration messages, described resource mapping indicating structure are included at least one Resource Block or at least one message structure and send by described base station respectively.
5. method according to claim 4, is characterized in that, the positional information of described resource mapping indicating structure comprise following one of at least:
Superframe index number, Super frame Offset number, under predetermined start situation the transmission cycle information of described resource mapping indicating structure.
6. method according to claim 5, is characterized in that, the positional information of described resource mapping indicating structure also comprise following one of at least:
Vertical shift number, frame index number, sub-frame offset number, subframe index number.
7. according to the method in any one of claims 1 to 3, it is characterized in that, described resource indicating structure comprises: resource location information and resource distribution information.
8. according to the method in any one of claims 1 to 3, it is characterized in that, described method also comprises:
On the broadcast channel of described base station in the subframe at described Multimedia Broadcast Multicast Service configuration messages place or send the positional information of described Multimedia Broadcast Multicast Service configuration messages at least one broadcast, wherein, the positional information of described Multimedia Broadcast Multicast Service configuration messages comprises: the index information of the Resource Block that described Multimedia Broadcast Multicast Service configuration messages takies or length information.
9. according to the method in any one of claims 1 to 3, it is characterized in that, described method also comprises:
Described base station over the broadcast or send the superframe positional information of described Multimedia Broadcast Multicast Service configuration messages at least one broadcast, wherein, the superframe positional information of described Multimedia Broadcast Multicast Service configuration messages comprises: described Multimedia Broadcast Multicast Service configuration messages sends the index information of place superframe next time.
10. method according to claim 9, is characterized in that, the index information that described Multimedia Broadcast Multicast Service configuration messages sends place superframe next time comprise following one of at least:
Superframe index number, Super frame Offset number, under predetermined start situation the transmission cycle information of described Multimedia Broadcast Multicast Service configuration messages.
11. according to the method in any one of claims 1 to 3, it is characterized in that, also carries in described Multimedia Broadcast Multicast Service configuration messages: the indication information being used to indicate the position of the described Multimedia Broadcast Multicast Service configuration messages of follow-up transmission.
12. methods according to claim 11, is characterized in that, when described base station sends described Multimedia Broadcast Multicast Service configuration messages by periodic mode, described indication information comprises: the cycle information sending this Multimedia Broadcast Multicast Service configuration messages.
13. methods according to claim 11, it is characterized in that, when described base station sends described Multimedia Broadcast Multicast Service configuration messages by mode aperiodic, described indication information comprise following one of at least: described base station sends the time migration information of this Multimedia Broadcast Multicast Service configuration messages, the time migration information relative to predetermined fiducial time next time.
14. according to the method in any one of claims 1 to 3, it is characterized in that, described Multimedia Broadcast Multicast Service configuration messages also carry following one of at least: carrier information corresponding to the multicast broadcasting service area domain identifier information on whole carrier waves that adjacent base station is supported and this territory, multicast broadcasting service area.
15. 1 kinds of multicast broadcast service configuration information dispensing devices, is characterized in that, described device comprises:
First transmitting element, for sending Multimedia Broadcast Multicast Service configuration messages with broadcast or multicast message mode, wherein, carry the relevant information of the position of this message in described Multimedia Broadcast Multicast Service configuration messages, the positional information of resource mapping indicating structure corresponding to territory, multicast broadcasting service area that the multicast broadcasting service area domain identifier information that described base station is supported, described base station are supported; Described Multimedia Broadcast Multicast Service configuration messages also carries: for the quantity information of the Resource Block of Multimedia Broadcast Multicast Service in subframe;
Second transmitting element, for sending the resource location and distributed intelligence that in the territory, multicast broadcasting service area supported described base station, at least one territory, multicast broadcasting service area is corresponding on Multicast Channel according to described positional information.
16. devices according to claim 15, is characterized in that, described device also comprises:
3rd transmitting element, on broadcast channel in the subframe at described Multimedia Broadcast Multicast Service configuration messages place or send the positional information of described Multimedia Broadcast Multicast Service configuration messages at least one broadcast, wherein, the positional information of described Multimedia Broadcast Multicast Service configuration messages comprises: the index information of the Resource Block that described Multimedia Broadcast Multicast Service configuration messages takies or length information.
17. devices according to claim 15, is characterized in that,
Described 3rd transmitting element, also for over the broadcast or send the superframe positional information of described Multimedia Broadcast Multicast Service configuration messages at least one broadcast, wherein, the superframe positional information of described Multimedia Broadcast Multicast Service configuration messages comprises: described Multimedia Broadcast Multicast Service configuration messages sends the index information of place superframe next time.
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| CN104994592B (en) * | 2012-06-06 | 2016-09-07 | 华为技术有限公司 | Multiple access method, Apparatus and system |
| CN109982266B (en) * | 2017-12-28 | 2021-05-11 | 华为技术有限公司 | Communication method and related product |
| CN113891255B (en) * | 2018-11-27 | 2023-04-11 | 华为技术有限公司 | Communication method, device and system |
| CN113271551B (en) * | 2020-02-17 | 2022-07-05 | 大唐移动通信设备有限公司 | Data stream transmission method, terminal and network side equipment |
| CN113965890B (en) * | 2020-07-15 | 2023-03-24 | 大唐移动通信设备有限公司 | Transmission method and device of multicast service data |
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| CN1741636A (en) * | 2004-11-01 | 2006-03-01 | 华为技术有限公司 | Method for realizing multiplaying service resource indication |
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