CN102196362B - The method of reseptance of Multimedia Broadcast Multicast Service and system - Google Patents
The method of reseptance of Multimedia Broadcast Multicast Service and system Download PDFInfo
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- CN102196362B CN102196362B CN201010128267.0A CN201010128267A CN102196362B CN 102196362 B CN102196362 B CN 102196362B CN 201010128267 A CN201010128267 A CN 201010128267A CN 102196362 B CN102196362 B CN 102196362B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave
- H04W52/0216—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave using a pre-established activity schedule, e.g. traffic indication frame
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention discloses method of reseptance and the system of a kind of Multimedia Broadcast Multicast Service, wherein, the method of reseptance of Multimedia Broadcast Multicast Service includes: terminal sends message to base station, and above-mentioned message carries at least one following information: terminal leaves the instruction information of main carrier, the identification information of Multimedia Broadcast Multicast Service to be received.Send information instruction terminal by terminal and leave main carrier, base station specify that the time that terminal does not carry out on main carrier unicast service scheduling, thus solve the problem that base station cannot determine whether terminal leaves main carrier, achieve the rational management of unicast service, and save the resource on main carrier.
Description
Technical field
The present invention relates to the communications field, in particular to method of reseptance and the system of a kind of Multimedia Broadcast Multicast Service.
Background technology
Broadband wireless access WiMAX (Worldwide Interoperability forMicrowave Access, microwave
Access global-intercommunication) technology is broadband wireless technology based on wireless MAN IEEE802.16 standard.In up-to-date WiMAX skill
In art, occurring in that the base station (Advanced Base Station, referred to as ABS) supporting advanced agreement, advanced base station is supported many
Carrier operation, i.e. uses single medium access control entity (Media AccessControl, referred to as MAC) to control to include
The physical layer (Physical, referred to as PHY) of multiple channels, each channel is referred to as a carrier wave, and the bandwidth of each carrier wave is permissible
Difference, and may belong to continuous or discontinuous frequency band.
The carrier wave supporting the advanced base station of multicarrier can be divided into full configuration carrier wave and part configuration carrier wave.Entirely configure carrier wave
Refer to be configured with the carrier wave of all control channels, including synchronizing channel, broadcast channel, multicast channel and unicast tunnel, also include
The channel relevant to multi-carrier operation and the information of other carrier waves and parameter.Part configuration carrier wave refers to only be configured with at multicarrier
For supporting the carrier wave controlling channel of downlink data transmission in operation.Full configuration carrier wave can be as the terminal supporting multicarrier
Main carrier or auxiliary carrier wave, part configuration carrier wave only can be as the auxiliary carrier wave of above-mentioned terminal.The end of each support multicarrier
End can only have a main carrier, can have one or more auxiliary carrier wave, it is also possible to do not have auxiliary carrier wave.Support the terminal of multicarrier such as
Fruit uses auxiliary carrier wave, and base station needs to distribute auxiliary carrier wave for it, and the follow-up service conditions according to it activates auxiliary carrier wave.
For supporting the terminal of multicarrier, existing protocol defines the following two kinds operator scheme: carrier aggregation and carrier wave turn
Change.Carrier aggregation refers to: above-mentioned terminal is total and its main carrier keeps physical connection, and monitors the control information of transmission on it；Carry
Ripple conversion refers to: the terminal instruction information by base station, by its physical connection by main carrier conversion to auxiliary carrier wave, and with auxiliary
After carrier wave connects, this terminal is without maintaining reception and the transmission of main carrier.
Multimedia Broadcast Multicast Service (Multicast Broadcast Service, referred to as MBS) is to provide in a mobile network
One data source transmits the point-to-multipoint service of data to multiple users, it is possible to realize network resources locating, improves air interface
The utilization rate of resource.Advanced base station needs to support the Multimedia Broadcast Multicast Service (Enhanced MBS, referred to as E-MBS) of enhancement mode,
The most both need to realize the multicast and broadcast of high-speed multimedia service, also need to reduce the power consumption of terminal simultaneously.Therefore, by multicarrier and
E-MBS combines, to reach the requirement of high-throughput, two-forty.The mode carrying E-MBS business on multicarrier has two kinds: a kind of
Be special carrier mode, i.e. E-MBS business monopolizes all running time-frequency resources on certain carrier wave；Another way is mixed carrier side
Formula, i.e. E-MBS business and unicast service share the running time-frequency resource on carrier wave.
In the prior art, base station or terminal are that terminal sets up one or more multicast by initiating Business Stream Establishing process
Broadcasting service connects, and carries the parameter information that set up Multimedia Broadcast Multicast Service connects in Business Stream sets up message.Multicast
After broadcasting service connection establishment, if terminal needs to receive this business, first pass through parsing Multimedia Broadcast Multicast Service configuration message
(AAI_E-MBS-CFG), it is thus achieved that the resource location information of corresponding Multimedia Broadcast Multicast Service mapping message (AAI_EMBS-MAP) and
Modulation coding information, then resolves Multimedia Broadcast Multicast Service mapping message on corresponding resource location information, thus obtains multicast
The resource location information of broadcast service data and modulation coding information, eventually receive corresponding multicast broadcast service data.Existing
Having in technology, Multimedia Broadcast Multicast Service configuration message, Multimedia Broadcast Multicast Service mapping message and multicast broadcast service data divide in position
It is probably discontinuous on cloth.Multimedia Broadcast Multicast Service configuration message is that multiple multicast and broadcast service scheduling is spaced (E-
MBSScheduling Interval, is called for short MSI) send once, Multimedia Broadcast Multicast Service mapping message is that each MSI sends one
Secondary.Hereinafter, Multimedia Broadcast Multicast Service configures message, Multimedia Broadcast Multicast Service mapping message is referred to as Multimedia Broadcast Multicast Service control
Message.
In multi-carrier systems, the Multimedia Broadcast Multicast Service connection that terminal is set up may be carried on multiple different carrier wave,
If the terminal with carrier wave transfer capability needs to receive the Multimedia Broadcast Multicast Service oneself having built up, it is necessary at multiple carrier waves
Between carry out carrier wave conversion, on the carrier wave of carrying Multimedia Broadcast Multicast Service, i.e. receive Multimedia Broadcast Multicast Service configuration message, multicast wide
The when of broadcasting business mapping message and multicast broadcast service data, terminal needs to leave its main carrier, and accordingly, base station is in terminal
Should in receiving the time period of Multimedia Broadcast Multicast Service configuration message, Multimedia Broadcast Multicast Service mapping message and multicast broadcast service data
Avoid on main carrier, dispatching unicast service for above-mentioned terminal.
But, prior art there is problems of, and terminal may establish multiple Multimedia Broadcast Multicast Service and connect, such as Fig. 1 institute
Showing, terminal establishes three E-MBS on E-MBS carrier wave 1 and connects, and is that E-MBS connects 1 respectively, and E-MBS connects 2 and E-MBS even
Connect 3, but terminal the most only selects to receive the data connecting 1 from E-MBS, i.e. terminal only to disappear in Multimedia Broadcast Multicast Service configuration
Breath, Multimedia Broadcast Multicast Service mapping message and E-MBS connect when 1 data send can leave main carrier, is transformed into E-MBS carrier wave 1.As
The Multimedia Broadcast Multicast Service connection that really base station is set up according to terminal judges, then base station will be considered that terminal connects 2 and E-at E-MBS
MBS connects 3 data delivery times the most not on main carrier, so the resource on the main carrier causing terminal is had the biggest waste,
Cause base station on main carrier, carry out the difficulty of unicast service scheduling for terminal.Therefore, how terminal will to it with base station
Leaving main carrier, the carrier wave of conversion to carrying Multimedia Broadcast Multicast Service receives Multimedia Broadcast Multicast Service and interacts, so that base station energy
The most reasonably carrying out unicast service scheduling for terminal is that terminal carries out when Multimedia Broadcast Multicast Service receives urgently to be resolved hurrily under multicarrier
Problem.
Summary of the invention
Present invention is primarily targeted at method of reseptance and the system that a kind of Multimedia Broadcast Multicast Service is provided, at least to solve
State base station in correlation technique and cannot determine whether terminal leaves main carrier, the carrier wave of conversion to carrying Multimedia Broadcast Multicast Service receives
The problem of Multimedia Broadcast Multicast Service.
According to an aspect of the invention, it is provided the method for reseptance of a kind of Multimedia Broadcast Multicast Service, comprising: terminal is to base
Standing transmission message, above-mentioned message carries at least one following information: terminal leaves the instruction information of main carrier, to be received many
The identification information of multicast broadcasting service.
Preferably, said method also includes: above-mentioned base station receives above-mentioned message；Above-mentioned base station sends feedback to above-mentioned terminal
Message, wherein, above-mentioned feedback message carries for indicating permission or refusing above-mentioned terminal and leave the information of above-mentioned main carrier.
Preferably, above-mentioned message carries temporal information, for indicating terminal request to leave the moment of main carrier.
Preferably, above-mentioned feedback message carry for indicate allow above-mentioned terminal to leave the information of above-mentioned main carrier time,
Above-mentioned feedback message also carries temporal information, wherein, above-mentioned temporal information be used for indicating above-mentioned base station allow above-mentioned terminal from
Opening the moment of above-mentioned main carrier, said method also includes: above-mentioned terminal leaves above-mentioned main carrier in the above-mentioned moment, and conversion is to above-mentioned
The carrier wave of carrying Multimedia Broadcast Multicast Service.
Preferably, above-mentioned temporal information includes one below: Super frame Offset, Hyper Frame Number, frame number, vertical shift, Hyper Frame Number with
The combination of the combination of frame number, Super frame Offset and vertical shift.
Preferably, said method also includes: above-mentioned base station is according to the identification information of above-mentioned Multimedia Broadcast Multicast Service to be received
Determining that above-mentioned terminal leaves the moment of main carrier, wherein, the identification information of above-mentioned Multimedia Broadcast Multicast Service to be received is used for notifying
The Multimedia Broadcast Multicast Service connection that the above-mentioned terminal in above-mentioned base station is to be received, the identification information bag of above-mentioned Multimedia Broadcast Multicast Service to be received
Include: Multimedia Broadcast Multicast Service station identifications and the combination of traffic identifier.
Preferably, said method also includes: when the Multimedia Broadcast Multicast Service that above-mentioned terminal is to be received connects and changes, above-mentioned end
End updates the identification information of above-mentioned Multimedia Broadcast Multicast Service to be received；Above-mentioned terminal will update after the mark of Multimedia Broadcast Multicast Service
Information is sent to above-mentioned base station.
Preferably, said method also includes: above-mentioned terminal receives base station on the carrier wave of above-mentioned carrying Multimedia Broadcast Multicast Service
The Multimedia Broadcast Multicast Service sent；Above-mentioned terminal returns above-mentioned main carrier on the time in addition to receiving Multimedia Broadcast Multicast Service；?
After above-mentioned base station determines that terminal returns above-mentioned main carrier, above-mentioned base station is above-mentioned terminal scheduling clean culture industry on above-mentioned main carrier
Business.
Preferably, above-mentioned base station determines that terminal returns above-mentioned main carrier and includes one below: above-mentioned terminal is above-mentioned in return
Send return information after main carrier to above-mentioned base station, wherein, above-mentioned return information is used for indicating above-mentioned terminal above-mentioned in return
Main carrier；Or above-mentioned message carries time departure information and time of staying information, when above-mentioned base station is according to above-mentioned leaving
Between information and above-mentioned time of staying information determine whether terminal returns above-mentioned main carrier, wherein, above-mentioned time departure information is used
Leave the moment of main carrier in instruction terminal, above-mentioned time of staying information is used for indicating above-mentioned terminal at above-mentioned carrying multicast and broadcast
The time of staying on the carrier wave of business；Or the Multimedia Broadcast Multicast Service above-mentioned to be received that above-mentioned base station sends according to above-mentioned terminal
Identification information determine above-mentioned terminal return above-mentioned main carrier moment.
Preferably, above-mentioned terminal receive on the carrier wave of above-mentioned carrying Multimedia Broadcast Multicast Service base station send above-mentioned multicast wide
The business of broadcasting includes at least one of: receive Multimedia Broadcast Multicast Service configuration message；Receive Multimedia Broadcast Multicast Service mapping message；Receive
Multicast broadcast service data.
According to a further aspect in the invention, it is provided that the reception system of a kind of Multimedia Broadcast Multicast Service, comprising: terminal and base
Standing, wherein, above-mentioned terminal includes: transmitting element, and for sending message to above-mentioned base station, above-mentioned message carries following information extremely
One of few: above-mentioned terminal leaves the instruction information of above-mentioned main carrier, the identification information of above-mentioned Multimedia Broadcast Multicast Service to be received；Connect
Receive unit, for receiving the above-mentioned Multimedia Broadcast Multicast Service that above-mentioned base station sends on the carrier wave of above-mentioned carrying Multimedia Broadcast Multicast Service.
Preferably, above-mentioned base station includes: receives unit, is used for receiving above-mentioned message；Scheduling unit, for determine above-mentioned
Terminal, after the carrier wave of above-mentioned carrying Multimedia Broadcast Multicast Service returns above-mentioned main carrier, is that above-mentioned terminal is adjusted on above-mentioned main carrier
Degree unicast service, wherein, above-mentioned terminal is wide from above-mentioned carrying multicast on the time in addition to receiving above-mentioned Multimedia Broadcast Multicast Service
The carrier wave broadcasting business returns above-mentioned main carrier.
The method have the advantages that
1) sending information instruction terminal by terminal and leave main carrier, base station specify that and do not carries out terminal on main carrier
The time of unicast service scheduling, it is achieved thereby that the rational management of unicast service, and save the resource on main carrier；
2) controlled on the gap of message from holding at reception multicast broadcast service data and Multimedia Broadcast Multicast Service by terminal
The carrier wave carrying Multimedia Broadcast Multicast Service returns main carrier so that base station can be except receiving multicast broadcast service data and multicasting wide
Broadcast and terminal is carried out unicast service scheduling on main carrier, so that terminal achieves clean culture industry outside the time of Service control message
Business and the alternately reception of multicast service, take full advantage of resource, improve resource utilization.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this
Bright schematic description and description is used for explaining the present invention, is not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the schematic diagram that the Multimedia Broadcast Multicast Service according to correlation technique connects；
Fig. 2 is the schematic diagram of the reception system of Multimedia Broadcast Multicast Service according to embodiments of the present invention；
Fig. 3 is the schematic diagram of the method for reseptance of Multimedia Broadcast Multicast Service according to embodiments of the present invention；
Fig. 4 is the preferred flow charts of the method for reseptance of Multimedia Broadcast Multicast Service according to embodiments of the present invention；
Fig. 5 is the preferred flow charts of the method for reseptance of Multimedia Broadcast Multicast Service according to embodiments of the present invention；
Fig. 6 is the preferred flow charts of the method for reseptance of Multimedia Broadcast Multicast Service according to embodiments of the present invention；
Fig. 7 is the preferred flow charts of the method for reseptance of Multimedia Broadcast Multicast Service according to embodiments of the present invention.
Detailed description of the invention
Below with reference to accompanying drawing and describe the present invention in detail in conjunction with the embodiments.It should be noted that do not conflicting
In the case of, the embodiment in the application and the feature in embodiment can be mutually combined.
In the examples below, terminal refers to the terminal with carrier wave transfer capability, the most only has a radio-frequency channel
Terminal.
The first-selected reception system describing the Multimedia Broadcast Multicast Service that the embodiment of the present invention is based on.As described in Figure 2, this multicast is wide
The reception system broadcasting business includes: terminal 21 and base station 22.
Above-mentioned terminal 21 includes: transmitting element 211 and reception unit 212.
Under in working order, transmitting element 211 sends message to base station 22, this message carry following information at least it
One: terminal 21 leaves the instruction information of main carrier, the identification information of Multimedia Broadcast Multicast Service to be received.
After terminal 21 leaves the carrier wave of main carrier, conversion to carrying Multimedia Broadcast Multicast Service, receive unit 212 in carrying
Receive multicast broadcast service data or Multimedia Broadcast Multicast Service from base station 22 on the carrier wave of Multimedia Broadcast Multicast Service and control message.
Wherein, Multimedia Broadcast Multicast Service control message includes at least one of: Multimedia Broadcast Multicast Service configuration message, Multimedia Broadcast Multicast Service reflect
Penetrate message.
So, sending message instruction terminal by terminal and leave main carrier, base station specify that on main carrier to terminal not
Carry out the time of unicast service scheduling, thus save the resource on main carrier.
Above-mentioned base station 22 includes: receive unit 221 and scheduling unit 222.
Under in working order, receive unit 221 and receive the above-mentioned message that terminal sends.Scheduling unit 222 is determining end
After end returns main carrier, being terminal scheduling unicast service on main carrier, wherein, terminal can be except receiving multicast and broadcast industry
On time outside business from carrying Multimedia Broadcast Multicast Service carrier wave return main carrier, here, receive Multimedia Broadcast Multicast Service include with
At least one lower: receive Multimedia Broadcast Multicast Service mapping message, receive Multimedia Broadcast Multicast Service configuration message, reception Multimedia Broadcast Multicast Service
Data.
So, by terminal receive multicast broadcast service data and Multimedia Broadcast Multicast Service and control on the gap of message from
The carrier wave of carrying Multimedia Broadcast Multicast Service returns main carrier so that base station can be except receiving multicast broadcast service data and multicasting wide
Broadcast, outside the time of Service control message, terminal is carried out unicast service scheduling on main carrier, thus take full advantage of resource, carry
High resource utilization.
In embodiments of the present invention, the multicast during the reception system of the Multimedia Broadcast Multicast Service shown in Fig. 2 can use such as Fig. 3
The method of reseptance of broadcasting service.As it is shown on figure 3, the method for reseptance of the Multimedia Broadcast Multicast Service of the embodiment of the present invention includes: terminal to
Base station sends message, and described message carries at least one following information: terminal leaves the instruction information of main carrier, to be received
The identification information of Multimedia Broadcast Multicast Service.Preferably, terminal leave main carrier, conversion to carrying Multimedia Broadcast Multicast Service carrier wave it
Before, terminal sends above-mentioned information to base station.
Base station carries out unicast service scheduling according to above-mentioned information to terminal.Base station is described in detail real below by embodiment
The different flow processs of existing said process.
Embodiment one
Base station and terminal set up message (AAI-DSA-RSP message or AAI-DSA-REQ message) by Business Stream, for terminal
Establish one or more Multimedia Broadcast Multicast Service to connect.Terminal replaces between the carrier wave of main carrier and carrying Multimedia Broadcast Multicast Service
Conversion, thus alternately receive unicast service and Multimedia Broadcast Multicast Service.
As shown in Figure 4, leave main carrier in terminal, the carrier wave of conversion to carrying Multimedia Broadcast Multicast Service multicasts wide with reception
When broadcasting business configuration message and/or Multimedia Broadcast Multicast Service mapping message and/or multicast broadcast service data, terminal sends message
(e.g. AAI_EMBS-REV-IND message) gives base station, is used for indicating base station terminal will leave main carrier (step S41).At this
In embodiment, AAI_EMBS-REV-IND message carries: terminal leaves the action identification of main carrier, wherein, this action identification
It is considered terminal and leaves the instruction information of main carrier.
Alternatively, terminal carries temporal information in above-mentioned AAI_EMBS-REV-IND message, is used for indicating terminal request
Leaving the moment (Action time) of main carrier, wherein, this temporal information can include one below: Super frame Offset, superframe
Number, frame number, vertical shift, Hyper Frame Number and the combination of frame number, the combination of Super frame Offset and vertical shift.
Optionally, base station sends feedback message (step S42) to terminal after receiving above-mentioned message, and wherein, feedback message is taken
With being used for indicating permission or refusing described terminal leaving the information of described main carrier.When allowing terminal to leave main carrier, base
Stand in and feedback message can also carry temporal information, this temporal information for indicate allow terminal leave main carrier time
Carve.In the present embodiment, this temporal information can include one below: Super frame Offset, Hyper Frame Number, frame number, vertical shift, Hyper Frame Number
Combination with frame number, Super frame Offset and the combination of vertical shift, it is used for indicating terminal to control message at next multicast and broadcast and sends
Before leave, or control to leave the mark of above-mentioned main carrier before message sends at certain multicast and broadcast follow-up.
By feedback message, base station determines whether terminal may exit off main carrier and leave the time of main carrier, make
Obtain base station can neatly terminal be controlled, and in the case of considering overall resource, terminal can be closed by base station
Suitable control, in order to preferably utilize system resource.
Specifically, if the terminal request of not carrying in AAI_EMBS-REV-IND message is left, base station exists
The most do not carry temporal information in feedback message, then base station will not carry out its list for terminal at main carrier after sending feedback message
Broadcasting the scheduling of business, the terminal any time after receiving feedback message all can perform carrier wave conversion, i.e. leaves main carrier, turns
Shift to carry the carrier wave of Multimedia Broadcast Multicast Service, to receive multicast broadcast service data or Multimedia Broadcast Multicast Service control message.
Specifically, if terminal carries when asking to leave in AAI_EMBS-REV-IND message, base station is instead
Feedback message does not carry temporal information, represents that the moment that terminal request is left is agreed in base station.So, terminal can be at AAI_
In EMBS-REV-IND message, the departure time of request leaves main carrier, conversion to the carrier wave to carrying Multimedia Broadcast Multicast Service, with
Receive multicast broadcast service data or Multimedia Broadcast Multicast Service controls message.
Specifically, if terminal carries when asking to leave in AAI_EMBS-REV-IND message, base station is instead
Feedback message also carries temporal information, but the moment that this temporal information is left from terminal request is different, then it represents that base station indicates
The terminal moment in feedback message leaves main carrier.
Specifically, if the terminal request of not carrying in AAI_EMBS-REV-IND message is left, base station exists
Feedback message carries temporal information, represents that the base station instruction terminal moment in feedback message performs carrier wave conversion.
After the carrier wave of conversion to carrying Multimedia Broadcast Multicast Service, terminal receives Multimedia Broadcast Multicast Service configuration on this carrier wave
Message, Multimedia Broadcast Multicast Service mapping message or multicast broadcast service data (step S43).
Terminal returns main load from the carrier wave of carrying Multimedia Broadcast Multicast Service on the time in addition to receiving Multimedia Broadcast Multicast Service
Ripple.Optionally, after terminal returns main carrier, terminal sends AAI_EMBS-REV-IND message on main carrier to base station
(being considered as return information), instruction terminal has returned main carrier (step S44).Or, terminal is passed through on main carrier to base station
Sending the code word of bandwidth request or send bandwidth request header or send bandwidth request message, instruction terminal has returned master
Carrier wave.Or, terminal sends bandwidth request header or bandwidth request message and carries the information having returned main carrier.
Optionally, base station sends feedback message to terminal after receiving above-mentioned AAI_EMBS-REV-IND message and confirms,
And on main carrier, carry out unicast service scheduling (step S45) for terminal.
The examples of parameters of above-mentioned AAI_EMBS-REV-IND message is as shown in table 1.
Table 1
| Field | Size (bit) | Value |
| Action code | 1 | 0: leave main carrier 1: return main carrier |
Another examples of parameters of above-mentioned AAI_EMBS-REV-IND message is as shown in table 2.
Table 2
| Field | Size (bit) | Value |
| Action code | 1 | 0: leave main carrier 1: return main carrier |
| Action time |
The examples of parameters of the feedback message that above-mentioned base station is sent to terminal is as shown in table 3.
Table 3
| Field | Size (bit) | Value |
| Action code | 2 | 0b00: confirm that terminal is left 0b01: refusal terminal is left 0b10: confirm that terminal returns 0b11: retain |
Another examples of parameters that above-mentioned base station is sent to the feedback message of terminal is as shown in table 4.
Table 4
| Field | Size (bit) | Value |
| Action code | 2 | 0b00: confirm that terminal is left 0b01: refusal terminal is left 0b10: confirm that terminal returns 0b11: retain |
| If (Action code==00) | ||
| { | ||
| Action time | ||
| } |
In specific implementation process, described message and feedback message can increase above-mentioned ginseng respectively in existing control message
Number, it is also possible to be a new control message.
Control on the gap of message many from carrying by terminal at reception multicast broadcast service data and Multimedia Broadcast Multicast Service
The carrier wave of multicast broadcasting service returns main carrier so that base station can be except receiving multicast broadcast service data and Multimedia Broadcast Multicast Service
Control, outside the time of message, terminal is carried out on main carrier unicast service scheduling, take full advantage of resource, improve resource profit
By rate.
Embodiment two
Base station and terminal set up message (AAI-DSA-RSP message or AAI-DSA-REQ message) by Business Stream, for terminal
Establish one or more Multimedia Broadcast Multicast Service to connect.Terminal replaces between the carrier wave of main carrier and carrying Multimedia Broadcast Multicast Service
Conversion, thus alternately receive unicast service and Multimedia Broadcast Multicast Service.
As it is shown in figure 5, leave the carrier wave reception multicast and broadcast industry of main carrier, conversion to carrying Multimedia Broadcast Multicast Service in terminal
When business configuration message and/or Multimedia Broadcast Multicast Service mapping message and/or multicast broadcast service data, terminal sends AAI_EMBS-
REV-IND message (being considered as leaving instruction message), to base station, is used for indicating base station terminal will leave main carrier (step S51).?
This message carries: terminal leaves the action identification of main carrier, and wherein, this action identification is considered terminal and leaves main carrier
Instruction information.
Alternatively, terminal carries temporal information (also referred to as time departure information) in AAI-EMBS-REV message, is used for
Instruction terminal request leaves the moment (Actiontime) of main carrier.Stop additionally, AAI-EMBS-REV message can also be carried
Stay temporal information, for indicating terminal institute's residence time (Duration) on the carrier wave of carrying Multimedia Broadcast Multicast Service.Base station
Value according to above-mentioned time departure information (Action time) and time of staying information (Duration) determines that terminal is returned jointly
Return the moment of main carrier.
Optionally, base station sends feedback message (step S52) to terminal after receiving above-mentioned message, and wherein, feedback message is taken
With being used for indicating permission or refusing described terminal leaving the information of described main carrier.When allowing terminal to leave main carrier, base
Stand in and feedback message can also carry temporal information, for indicating the moment allowing terminal to leave main carrier.Pass through base station
Feedback message determine whether terminal may exit off main carrier and leave the time of main carrier so that base station can be flexible
Terminal is controlled by ground, and in the case of considering overall resource, terminal can suitably be controlled by base station, in order to more
Good utilizes system resource.
The examples of parameters of above-mentioned AAI_EMBS-REV-IND message is as shown in table 5.
Table 5
| Field | Size (bit) | Value |
| Duration | Frame or superframe number | |
| Action time | Hyper Frame Number or Hyper Frame Number and frame Number combination |
After the carrier wave of conversion to carrying Multimedia Broadcast Multicast Service, terminal receives on the carrier wave of carrying Multimedia Broadcast Multicast Service
Multicast broadcast service data or Multimedia Broadcast Multicast Service control message (step S53), it is possible to except receive Multimedia Broadcast Multicast Service it
Main carrier is returned on the outer time.Because according to the value of Action time and Duration, base station can determine that terminal returns
In the moment of main carrier, base station can carry out unicast service scheduling (step for terminal after terminal returns main carrier on main carrier
Rapid S54), thus take full advantage of resource.
Control on the gap of message many from carrying by terminal at reception multicast broadcast service data and Multimedia Broadcast Multicast Service
The carrier wave of multicast broadcasting service returns main carrier so that base station can be except receiving multicast broadcast service data and Multimedia Broadcast Multicast Service
Control, outside the time of message, terminal is carried out on main carrier unicast service scheduling, take full advantage of resource, improve resource profit
By rate.
Embodiment three
Base station and terminal set up message (AAI-DSA-RSP message or AAI-DSA-REQ message) by Business Stream, for terminal
Establish one or more Multimedia Broadcast Multicast Service to connect.Terminal replaces between the carrier wave of main carrier and carrying Multimedia Broadcast Multicast Service
Conversion, thus alternately receive unicast service and Multimedia Broadcast Multicast Service.
As shown in Figure 6, when terminal leaves the carrier wave of main carrier, conversion to load Multimedia Broadcast Multicast Service, terminal sends AAI_
EMBS-REV-IND message (being considered as leaving instruction message), to base station, is used for indicating base station terminal will leave main carrier (step
S61).Unlike embodiment one, carry in AAI_EMBS-REV-IND message: Multimedia Broadcast Multicast Service to be received
Identification information, wherein, the identification information of Multimedia Broadcast Multicast Service can be Multimedia Broadcast Multicast Service station identifications (Multicast
Station ID, MSTID) and the combination of traffic identifier (Flow ID, FID).Subsequently, base station is to receive multicast to be received wide
After broadcasting the identification information of business, it is regarded as terminal and leaves the instruction information of main carrier, and according to the mark of Multimedia Broadcast Multicast Service
Knowledge information may determine that terminal is transformed into the carrier wave reception multicast and broadcast configuration message of carrying Multimedia Broadcast Multicast Service, multicast and broadcast reflects
Penetrate the moment of message and multicast broadcast service data, and terminal returns the moment of main carrier so that base station can be terminal
Main carrier carries out unicast service scheduling.
Alternatively, terminal carries temporal information in AAI_EMBS-REV-IND message, is used for indicating terminal request to leave
The moment of main carrier.
Optionally, base station sends feedback message (step S62) to terminal after receiving above-mentioned message, and wherein, feedback message is taken
With being used for indicating permission or refusing described terminal leaving the information of described main carrier.When allowing terminal to leave main carrier, base
Stand in and feedback message can also carry temporal information, for indicating the moment allowing terminal to leave main carrier.Pass through base station
Feedback message determine whether terminal may exit off main carrier and leave the time of main carrier so that base station can be flexible
Terminal is controlled by ground, and in the case of considering overall resource, terminal can suitably be controlled by base station, in order to more
Good utilizes system resource.
The examples of parameters of above-mentioned AAI_EMBS-REV-IND message is as shown in table 6.
Table 6
| Field | Size (bit) | Value |
| Action code | 1 | 0: leave main carrier 1: return main carrier |
| If (Action code==0) | ||
| N | TBD | Terminal will receive EMBS business number |
| For (i=0；I ＜ N；i++){ | ||
| MSTID+Flow ID | 16 | |
| } | ||
| } |
Another examples of parameters of above-mentioned AAI-EMBS-REV message is as shown in table 7.
Table 7
| Field | Size (bit) | Value |
| Action code | 1 | 0: leave main carrier 1: return main carrier |
| If (Action code==0) | ||
| Action time | ||
| N | TBD | Terminal will receive EMBS business number |
| For (i=0；I ＜ N；i++){ | ||
| MSTID+Flow ID | 16 | |
| } | ||
| } |
After the carrier wave of conversion to carrying Multimedia Broadcast Multicast Service, terminal receives multicast broadcast service data on this carrier wave
Or Multimedia Broadcast Multicast Service controls message (step S63).Owing to base station is according to the multicast and broadcast in AAI_EMBS-REV-IND message
The identification information of business may determine that terminal free time section in addition to receiving Multimedia Broadcast Multicast Service, and therefore base station is except multicast
Broadcasting service configuration message, Multimedia Broadcast Multicast Service mapping message and the free time outside the multicast broadcast service data transmission time
Duan Shangwei terminal is at main carrier schedule unicast business (step S64).
Control on the gap of message many from carrying by terminal at reception multicast broadcast service data and Multimedia Broadcast Multicast Service
The carrier wave of multicast broadcasting service returns main carrier so that base station can be except receiving multicast broadcast service data and Multimedia Broadcast Multicast Service
Control, outside the time of message, terminal is carried out on main carrier unicast service scheduling, take full advantage of resource, improve resource profit
By rate.
Embodiment four
Base station and terminal set up message (AAI-DSA-RSP message or AAI-DSA-REQ message) by Business Stream, for terminal
Establish one or more Multimedia Broadcast Multicast Service to connect.Terminal replaces between the carrier wave of main carrier and carrying Multimedia Broadcast Multicast Service
Conversion, thus alternately receive unicast service and Multimedia Broadcast Multicast Service.
As it is shown in fig. 7, when terminal leaves the carrier wave of main carrier, conversion to carrying Multimedia Broadcast Multicast Service, terminal sends
AAI_EMBS-REV-IND message (being considered as leaving instruction message), to base station, is used for indicating base station terminal will leave main carrier (step
Rapid S71).Unlike embodiment one, carry in AAI-EMBS-REV message: the mark of Multimedia Broadcast Multicast Service to be received
Knowledge information, wherein, the identification information of Multimedia Broadcast Multicast Service can be Multimedia Broadcast Multicast Service station identifications (Multicast Station
ID, MSTID) and the combination of traffic identifier (Flow ID, FID).Subsequently, base station is receiving Multimedia Broadcast Multicast Service to be received
After identification information, it is regarded as terminal and leaves the instruction information of main carrier, and the identification information according to Multimedia Broadcast Multicast Service is true
Determine terminal and return the moment of main carrier so that base station can be that terminal carries out unicast service scheduling on main carrier.
Optionally, base station sends feedback message (step S72), message instance such as table 10 institute to terminal after receiving above-mentioned message
Show.Wherein, feedback message carries for indicating permission or refusing described terminal and leave the information of described main carrier.Allowing eventually
When end leaves main carrier, base station can also carry temporal information in feedback message, is used for indicating permission terminal to leave main load
The moment of ripple.Determine whether terminal may exit off main carrier and leave the time of main carrier by the feedback message of base station,
Terminal can be controlled by base station neatly, and in the case of considering overall resource, terminal can be carried out by base station
Suitably control, in order to preferably utilize system resource.
The examples of parameters of above-mentioned AAI_EMBS-REV-IND message is as shown in table 8.
Table 8
| Field | Size (bit) | Value |
| N | TBD | Terminal will receive EMBS business number, takes Value is that zero expression stops receiving Multimedia Broadcast Multicast Service. |
| For (i=0；I ＜ N；i++){ | ||
| MSTID+Flow ID | 16 | |
| } |
After the carrier wave of conversion to carrying Multimedia Broadcast Multicast Service, terminal receives multicast broadcast service data on this carrier wave
And/or Multimedia Broadcast Multicast Service controls message (step S73).
Owing to base station gets the free time according to the identification information of the Multimedia Broadcast Multicast Service in AAI_EMBS-REV-IND message
Time period, therefore base station is except Multimedia Broadcast Multicast Service configuration message, Multimedia Broadcast Multicast Service mapping message and Multimedia Broadcast Multicast Service
Free time Duan Shangwei terminal outside the transmission time is at main carrier schedule unicast business (step S74).
When terminal changes the Multimedia Broadcast Multicast Service received, described terminal updates described Multimedia Broadcast Multicast Service to be received
Identification information.Then, terminal will send AAI_EMBS-REV-IND message again to base station, wherein, and AAI_EMBS-REV-IND
Message carries the identification information (step S75) of the Multimedia Broadcast Multicast Service of renewal.Base station is according to the mark of the Multimedia Broadcast Multicast Service updated
Knowledge information is that terminal is in main carrier schedule unicast business.Especially, when the N value in form 8 is zero, represent that terminal stops many
Multicast broadcasting service receives.Terminal can also carry special instruction information in AAI_EMBS-REV-IND message, is used for indicating
Terminal stops Multimedia Broadcast Multicast Service and receives, and now the examples of parameters of AAI_EMBS-REV-IND message is as shown in table 9.
Table 9
| Field | Size (bit) | Value |
| Action Code | 1 | 0: the business more relocated the receiving 1: stop receiving |
| If (Action code==0) { | ||
| N | Terminal will receive EMBS business number | |
| For (i=0；I ＜ N；i++){ | ||
| MSTID+Flow ID | 16 | |
| } |
| } |
Table 10
| Parameter | Value | Purposes |
| Action code | 0b0: confirm that terminal performs load Ripple is changed 0b1: refusal terminal performs load Ripple is changed | |
| Action Time | Action code value is This value may be comprised during 0b0 |
By the discontinuously arranged characteristic of above-mentioned Multimedia Broadcast Multicast Service so that terminal except receive Multimedia Broadcast Multicast Service it
Main carrier can be returned, in order to base station can realize unicast service to this terminal, thus makes full use of in outer free time section
Resource.
Obviously, those skilled in the art should be understood that each module of the above-mentioned present invention or each step can be with general
Calculating device realize, they can concentrate on single calculating device, or be distributed in multiple calculating device and formed
Network on, alternatively, they can with calculate the executable program code of device realize, it is thus possible to by they store
Performed by calculating device in the storage device, and in some cases, can perform with the order being different from herein shown
The step gone out or describe, or they are fabricated to respectively each integrated circuit modules, or by the multiple modules in them or
Step is fabricated to single integrated circuit module and realizes.So, the present invention is not restricted to the combination of any specific hardware and software.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, that is made any repaiies
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (7)
1. the method for reseptance of a Multimedia Broadcast Multicast Service, it is characterised in that including: there is the terminal of carrier wave transfer capability to base station
Sending message, described message carries at least one following information: described terminal leaves the instruction information of main carrier, to be received
The identification information of Multimedia Broadcast Multicast Service；
Wherein, described method also includes: described base station receives described message；Described base station sends feedback message to described terminal,
Wherein, described feedback message carries for indicating permission or refusing described terminal and leave the information of described main carrier；
Wherein, described message carries temporal information, for indicating terminal request to leave the moment of main carrier；Or, institute
State feedback message carry for indicate allow described terminal to leave the information of described main carrier time, described feedback message also carries
Temporal information, wherein, described temporal information allows described terminal to leave the moment of described main carrier for indicating described base station；
Wherein, described terminal leaves described main carrier in the described moment, and conversion is to the carrier wave carrying Multimedia Broadcast Multicast Service；
Wherein, described method also includes: described terminal receives what base station sent on the carrier wave of described carrying Multimedia Broadcast Multicast Service
Multimedia Broadcast Multicast Service；Described terminal returns described main carrier on the time in addition to receiving Multimedia Broadcast Multicast Service；At described base
After station determines that terminal returns described main carrier, described base station is described terminal scheduling unicast service on described main carrier.
The method of reseptance of Multimedia Broadcast Multicast Service the most according to claim 1, it is characterised in that described temporal information include with
One of lower: the combination of Super frame Offset, Hyper Frame Number, frame number, vertical shift, Hyper Frame Number and the combination of frame number, Super frame Offset and vertical shift.
The method of reseptance of Multimedia Broadcast Multicast Service the most according to claim 1, it is characterised in that described method also includes:
Described base station according to the identification information of described Multimedia Broadcast Multicast Service to be received determine described terminal leave main carrier time
Carving, wherein, the identification information of described Multimedia Broadcast Multicast Service to be received is for notifying that terminal described in described base station is to be received many
Multicast broadcasting service connects, and the identification information of described Multimedia Broadcast Multicast Service to be received includes: Multimedia Broadcast Multicast Service station identifications and stream
The combination of mark.
The method of reseptance of Multimedia Broadcast Multicast Service the most according to claim 3, it is characterised in that described method also includes:
When the Multimedia Broadcast Multicast Service that described terminal is to be received connects and changes, described terminal updates described multicast and broadcast to be received
The identification information of business；
The identification information of Multimedia Broadcast Multicast Service after described terminal will update is sent to described base station.
The method of reseptance of Multimedia Broadcast Multicast Service the most according to claim 1, it is characterised in that described base station determines that terminal is returned
Return described main carrier and include one below:
Described terminal is returning the rear to described base station transmission return information of described main carrier, and wherein, described return information is used for
Described terminal is indicated to return described main carrier；Or
Described message carries time departure information and time of staying information, described base station according to described time departure information and
Described time of staying information determines whether terminal returns described main carrier, and wherein, described time departure information is used for indicating end
End leaves the moment of main carrier, and described time of staying information is for indicating described terminal in the load of described carrying Multimedia Broadcast Multicast Service
The time of staying on ripple；Or
Described base station determines described terminal according to the identification information of the Multimedia Broadcast Multicast Service described to be received that described terminal sends
Return the moment of described main carrier.
The method of reseptance of Multimedia Broadcast Multicast Service the most according to claim 1, it is characterised in that described terminal is in described carrying
Receive the described Multimedia Broadcast Multicast Service that base station sends on the carrier wave of Multimedia Broadcast Multicast Service and include at least one of:
Receive Multimedia Broadcast Multicast Service configuration message；
Receive Multimedia Broadcast Multicast Service mapping message；
Receive multicast broadcast service data.
7. a reception system for Multimedia Broadcast Multicast Service, including terminal and the base station with carrier wave transfer capability, it is characterised in that
Described terminal includes:
Transmitting element, for sending message to described base station, described message carries at least one following information: described terminal from
Open the instruction information of main carrier, the identification information of Multimedia Broadcast Multicast Service to be received；Wherein, described message carries time letter
Breath, for indicating terminal request to leave the moment of main carrier；
Receive unit, for receiving the described multicast and broadcast industry that described base station sends on the carrier wave of carrying Multimedia Broadcast Multicast Service
Business；
Wherein, described terminal is additionally operable on the time in addition to receiving described Multimedia Broadcast Multicast Service from described carrying multicast and broadcast
The carrier wave of business returns described main carrier；
Wherein, described base station includes: receives unit, is used for receiving described message；Scheduling unit, for determine described terminal from
After the carrier wave of described carrying Multimedia Broadcast Multicast Service returns described main carrier, it described main carrier is described terminal scheduling clean culture
Business, wherein, described terminal on the time receiving in addition to described Multimedia Broadcast Multicast Service from described carrying Multimedia Broadcast Multicast Service
Carrier wave return described main carrier；
Wherein, described base station also includes: transmitting element, for after receiving described message, sends feedback message to described terminal,
Wherein, described feedback message carries for indicating permission or refusing described terminal and leave the information of described main carrier；Wherein, exist
Described feedback message carry for indicate allow described terminal to leave the information of described main carrier time, described feedback message also carries
Having temporal information, wherein, described temporal information is used for indicating described base station to allow described terminal to leave the moment of described main carrier,
So that described terminal leaves described main carrier, the carrier wave of conversion to described carrying Multimedia Broadcast Multicast Service in the described moment.
Priority Applications (2)
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|---|---|---|---|
| CN201010128267.0A CN102196362B (en) | 2010-03-05 | 2010-03-05 | The method of reseptance of Multimedia Broadcast Multicast Service and system |
| PCT/CN2010/077236 WO2011106972A1 (en) | 2010-03-05 | 2010-09-21 | Receiving method and system for multicast broadcast service |
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| CN201010128267.0A CN102196362B (en) | 2010-03-05 | 2010-03-05 | The method of reseptance of Multimedia Broadcast Multicast Service and system |
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| CN103260246B (en) * | 2012-02-15 | 2018-01-12 | 华为技术有限公司 | A kind of carrier scheduling method and equipment |
| EP4233483B1 (en) * | 2020-10-21 | 2024-10-16 | Google LLC | Managing transmission and reception of multicast and broadcast services |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1518244A (en) * | 2003-01-10 | 2004-08-04 | �ձ�������ʽ���� | Mobile communication system, radio terminal and network controller and operation control method |
| EP1463358A1 (en) * | 2003-03-28 | 2004-09-29 | Siemens Aktiengesellschaft | Method and base station for MBMS data transmission |
| CN1968451A (en) * | 2006-11-20 | 2007-05-23 | 华为技术有限公司 | Method and system for determining to use multicast/broadcast service time |
| CN101374252A (en) * | 2007-08-21 | 2009-02-25 | 中国移动通信集团公司 | Terminal feedback method, counting method and apparatus based on MBMS special carrier system |
-
2010
- 2010-03-05 CN CN201010128267.0A patent/CN102196362B/en not_active Expired - Fee Related
- 2010-09-21 WO PCT/CN2010/077236 patent/WO2011106972A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1518244A (en) * | 2003-01-10 | 2004-08-04 | �ձ�������ʽ���� | Mobile communication system, radio terminal and network controller and operation control method |
| EP1463358A1 (en) * | 2003-03-28 | 2004-09-29 | Siemens Aktiengesellschaft | Method and base station for MBMS data transmission |
| CN1968451A (en) * | 2006-11-20 | 2007-05-23 | 华为技术有限公司 | Method and system for determining to use multicast/broadcast service time |
| CN101374252A (en) * | 2007-08-21 | 2009-02-25 | 中国移动通信集团公司 | Terminal feedback method, counting method and apparatus based on MBMS special carrier system |
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| CN102196362A (en) | 2011-09-21 |
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