CN101426239B - Service transmission method, apparatus and system in carrier switching process - Google Patents
Service transmission method, apparatus and system in carrier switching process Download PDFInfo
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- CN101426239B CN101426239B CN2007101682741A CN200710168274A CN101426239B CN 101426239 B CN101426239 B CN 101426239B CN 2007101682741 A CN2007101682741 A CN 2007101682741A CN 200710168274 A CN200710168274 A CN 200710168274A CN 101426239 B CN101426239 B CN 101426239B
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Abstract
The present invention provides a transmission method and device in switching process of carrier wave, wherein the method comprises the following procedures: transmitting service with multiplexing carrier or special carrier, and carrying carrier switching indicating information which is used for representing that the next frame is multiplexing carrier frame or special carrier frame in the transmitted multiplexing carrier or special carrier frame; and receiving the service carried in the next frame of multiplexing carrier or special carrier according to the carrier switching indicating information for processing. As a service transmission mode that carrier switching indication information is transmitted in multiplexing carrier frame or special carrier frame in an embodiment of the invention, the carrier type of the next frame can be obtained at the service receiving end, thereby facilitating the receiving and processing of service with a corresponding carrier signal detecting and receiving mode, and furthermore increasing the efficiency for receiving the service. The requirement of service transmission can be satisfied with a lower realizing complexity.
Description
Technical field
The present invention relates to wireless communication technology field, relate in particular to the professional transmission technology in a kind of carrier switching process.
Background technology
Fast development along with broadband wireless communication technique, to be used for transmitting more eurypalynous business in the cordless communication network, for example, industry is by (OFDM inserts based on OFDMA, orthogonalfrequency division multiple access) cordless communication network of technology carries out the transmission of MBS (Multimedia Broadcast Multicast Service, multicast and broadcast services).
In the cordless communication network based on the OFDMA technology, specifically be to be the transmission that unit carries out data with the frame, and the time in every frame will distribute to different users with frequency resource and carry out transfer of data, to realize that the multi-user communicates by letter simultaneously.Transmission environment with TDD (time division duplex) is an example, and every frame will be divided into descending sub frame and sub-frame of uplink, and wherein, descending sub frame comprises one or more territories that are used to support different demand types of service, also comprises following information in every frame:
(1) Preamble, i.e. lead code, be used for system synchronously and channel estimating;
(2) FCH, promptly frame control head is used to provide the frame configuration information;
(3) DL-MAP (descending mapping) message and UL-MAP (up mapping) message, being respectively applied for provides the time-frequency resource allocating of uplink and downlink subframe mode and other control informations.
At present, in wireless communication system, the mode of the transmission MBS business that can adopt comprises:
(1) adopt special carrier to carry out the transmission of MBS business, described special carrier only is used for carrying transmission corresponding M BS business, also can be called the MBS special carrier;
(2) adopt Multiplexing Carrier to carry out the transmission of MBS business, described Multiplexing Carrier is used to transmit MBS business and unicast service, and promptly professional the and unicast service of the MBS Multiplexing Carrier frame that takies a frame resource jointly transmits.
Be at least one item that corresponding Multiplexing Carrier is used for transmitting MBS business or unicast service, described special carrier business is used to transmit the MBS business.
The concrete structure of above-mentioned special carrier frame or Multiplexing Carrier frame as shown in Figure 1, transmission means based on the above-mentioned MBS business that can adopt, intercept data service on Multiplexing Carrier and the special carrier what MS (travelling carriage) property of last cycle as receiving terminal replaced, promptly periodically intercept Multiplexing Carrier and special carrier, so that can receive corresponding business from Multiplexing Carrier or special carrier.
In realizing process of the present invention, the inventor finds that there are the following problems at least in the prior art:
Because what adopt on MS is the data service receive mode of periodically intercepting Multiplexing Carrier frame and special carrier frame, therefore corresponding reception mode of operation can't satisfy the reception demand at irregular data transmission service; For example, certain user carries out unicast service and irregular multicast service simultaneously, and two kinds of business are respectively by Multiplexing Carrier and special carrier transmission, at this moment, even the data traffic of multicast service is less, but MS still needs the frequent Multiplexing Carrier of intercepting, otherwise, even the data traffic of multicast service is bigger, but MS still needs the frequent special carrier of intercepting, and makes that to intercept process accordingly not only complicated but also can't satisfy the demand of professional reception well.
Summary of the invention
Embodiments of the invention provide business transmitting method, the Apparatus and system in a kind of carrier switching process, thereby can satisfy professional transmission requirements with lower implementation complexity.
Method for transmitting service in a kind of carrier switching process comprises:
It is professional to adopt Multiplexing Carrier or special carrier to send, and carries the carrier wave indication message in Multiplexing Carrier frame that sends or special carrier frame, and described carrier wave indication message is used to represent that next frame is Multiplexing Carrier frame or special carrier frame.
Professional dispensing device in a kind of carrier switching process comprises:
The professional processing unit that sends is used to adopt the carrying of Multiplexing Carrier or special carrier and sends professional;
Send the indication processing unit, be used for carrying the carrier wave indication message at the Frame that described professional transmission processing unit sends on Multiplexing Carrier or special carrier, described carrier wave indication message is used to represent that next frame is Multiplexing Carrier frame or special carrier frame.
Service receiving method in a kind of carrier switching process comprises:
After receiving Multiplexing Carrier frame or special carrier frame, obtain the carrier wave indication message from Multiplexing Carrier frame or special carrier frame, described carrier wave indication message is used to represent that next frame is Multiplexing Carrier frame or special carrier frame;
According to described carrier wave indication message loaded service in next frame Multiplexing Carrier frame or the special carrier frame is received processing.
Service receiving device in a kind of carrier switching process comprises:
Switch the indication receiving element, be used for obtaining the carrier wave indication message in Multiplexing Carrier frame or the special carrier frame after receiving Multiplexing Carrier frame or special carrier frame, described carrier wave switches indication and is used to represent that next frame is Multiplexing Carrier frame or special carrier frame;
The professional processing unit that receives is used for according to the carrier wave indication message that described switching indication receiving element receives loaded service on next frame Multiplexing Carrier frame or the special carrier being received processing.
Service transmission system in a kind of carrier switching process comprises:
Professional dispensing device, be used to adopt Multiplexing Carrier or special carrier to carry and send business, and carried the carrier wave indication message in the data that on Multiplexing Carrier or special carrier, send, described carrier wave indication message is used to represent that next frame data use Multiplexing Carrier or special carrier transmit;
Service receiving device, be used for after receiving Multiplexing Carrier frame or special carrier frame, obtain the carrier wave indication message in Multiplexing Carrier frame or the special carrier frame, and institute's loaded service in next frame Multiplexing Carrier or the special carrier is received processing according to described carrier wave indication message.
The technical scheme that is provided by the embodiment of the invention described above as can be seen, owing to adopted the service transferring mode of on Multiplexing Carrier or special carrier, transmitting the carrier wave indication message, thereby make the carrier type that can in time obtain next frame at professional receiving terminal, thereby be convenient to adopt corresponding carrier signal to detect receive mode and carry out professional reception processing, and then improve the professional efficient that receives, promptly can satisfy professional transmission requirements with lower implementation complexity.
Description of drawings
Fig. 1 is special carrier frame of the prior art and Multiplexing Carrier frame structure schematic diagram;
Fig. 2 is special carrier frame and the Multiplexing Carrier frame structure schematic diagram in the embodiment of the invention;
Fig. 3 receives the processing procedure schematic diagram for the business that the embodiment of the invention provides;
Special carrier frame and Multiplexing Carrier frame structure schematic diagram that Fig. 4 provides for the embodiment of the invention one;
Special carrier frame and Multiplexing Carrier frame structure schematic diagram that Fig. 5 provides for the embodiment of the invention two;
The system that Fig. 6 provides for the embodiment of the invention and the structural representation of device.
Embodiment
In the embodiment of the invention, be used to carry out the professional carrier wave that transmits and comprise Multiplexing Carrier and two parts of special carrier, wherein, special carrier and Multiplexing Carrier are respectively applied for the transmission of carrying out same type or dissimilar business, for example, make special carrier only be used to transmit the MBS business, at this moment, special carrier also can be called as the MBS special carrier, and Multiplexing Carrier then can be used to transmit unicast service or MBS is professional or both combinations, or the like.
Professional transmission course based on Multiplexing Carrier and special carrier comprises accordingly:
(1) at professional transmitting terminal, it is professional to adopt Multiplexing Carrier or special carrier to send, and on Multiplexing Carrier that sends or special carrier, carry the carrier wave indication message, described carrier wave switches indication and is used to represent that next frame is Multiplexing Carrier frame or special carrier frame, for example, be used to indicate next frame whether to adopt special carrier to carry out transmission of MBS business etc.;
Wherein, corresponding carrier wave indication message can but be not limited to comprise following at least one:
(1) MBS territory number and each MBS domain identifier in next special carrier frame: if in this carrier wave indication message, comprise concrete MBS territory number and MBS domain identifier, represent that then next frame will adopt special carrier to carry out the transmission of MBS business, if do not comprise concrete MBS territory number and MBS domain identifier (be sky or do not exist), show that then next frame will adopt Multiplexing Carrier to carry out business and transmit;
(2) Warning Mark information: the carrier type that is directly used in the employing of indication next frame is Multiplexing Carrier or special carrier, perhaps, is directly used in the indication next frame whether the carrier type switching takes place, as switching to special carrier etc. by Multiplexing Carrier;
(3) MBS territory number and each MBS domain identifier in special carrier number, special carrier sign, next special carrier frame: if this carrier wave indication message is empty or does not exist, show that then next frame will adopt Multiplexing Carrier to carry out the business transmission, if this carrier wave indication message is not empty, show that then next frame will adopt corresponding special carrier to carry out the business transmission.
At transmitting terminal, can but be not limited to corresponding carrier wave indication message is carried among the DL-MAP of Multiplexing Carrier frame or special carrier frame.
(2) at professional receiving terminal, after receiving Multiplexing Carrier or special carrier, obtain the indication message in Multiplexing Carrier frame or the special carrier frame, and loaded service on next frame Multiplexing Carrier or the special carrier is received processing according to described carrier wave indication message;
At professional receiving terminal, the mode that the concrete reception of adopting is handled can comprise:
(1) if present frame is the Multiplexing Carrier frame, and the carrier wave indication message in Multiplexing Carrier frame indication next frame carries out the transmission of business (as unregistered or registered MBS business etc.) by special carrier, then switches to special carrier at next frame and carries out professional reception and handle;
(2) if present frame is the special carrier frame, and the carrier wave indication message in the special carrier frame do not indicate next frame to carry out business transmission by special carrier, then need switch to Multiplexing Carrier at next frame and carry out business reception processing.
With transmission unicast service and MBS business is example, the realization of the embodiment of the invention makes under the situation of supporting the different service types transmission, can between unicast service and MBS business, be optimized scheduling, thus order as the entities such as MS of professional receiving terminal can be dynamic, sane on the arbitrary carrier wave of every frame, receive corresponding unicast service or MBS business.
Further, in wireless communication system (being called for short the OFDMA system) based on the OFDMA technology, adopting the embodiment of the invention to can be implemented between Multimedia Broadcast Multicast Service that different carrier transmits and the unicast service switches flexibly, be that the embodiment of the invention has proposed a kind of mechanism and handling process of dynamically switching between clean culture of being carried on Multiplexing Carrier and the special carrier and MBS business, thereby can solve the shortcoming that prior art exists preferably, make MS in OFDMA system (as IEEE 802.16 WirelessMAN-OFDMA systems), to switch between the different carrier of carrying unicast service and MBS business very easily.And the implementation that the embodiment of the invention proposes can allow base station efficient scheduling unicast service and MBS business under different business scenarios very steadily and surely, flexibly.
Be example as transmitting terminal, the MS end of business as the receiving terminal of business with BS end below, the concrete application of the embodiment of the invention is described.
In order can between the different carrier of transmission MBS business and unicast service, to switch effectively, hold the processing mode that adopts as follows respectively at BS end and MS:
(1) holds at BS, BS is according to the needs of business transmission, at first in the DL-MAP of descending sub frame message, introduce a new descriptor: E-MBS IE, the Multimedia Broadcast Multicast Service message semantic definition symbol that is called enhancing, wherein comprise the carrier wave indication message, whether it switches as the carrier type that control information is used for the instruct MS reception, BS is in the process of carrying out data traffic transmission, to adopt different carrier waves (being Multiplexing Carrier or special carrier) according to the type of data service waiting for transmission, at this moment, just can make MS know that next frame is with the carrier type that adopts by this carrier wave indication message;
The concrete form that comprises the E-MBS IE of carrier wave indication message accordingly can be as shown in table 1:
Table 1
| ?Syntax | ?Size(bits) | Notes |
| ?E_MBS_IE(){ | ||
| IE?identifier | ?4 | The control information type identification |
| MBS?zones | ?3 | MBS territory number in next carrier frame |
| for(n＝0；n＜MBS?zones；n++){ | ||
| MBS?Zone?identifier | ?7 | The sign in each MBS territory |
| If(not?at?byte?boundary){ | ||
| Padding?bits | Variable (elongated) | Byte of padding |
| } | ||
| } | ||
| ?} |
As seen, the information such as MBS relam identifier that in last table, comprise the identifier of indicating this type of message and be used to indicate next carrier frame to carry;
BS need will transmit the type of data and the factors such as size of data volume according to next frame, determines that it still is Multiplexing Carrier transmission data that next frame is to use the MBS special carrier, and will transmit the carrier type of data and the descriptor of data field is embedded among the E-MBS IE; This E-MBS IE specifically can be included in the DL-MAP message of special carrier frame, perhaps, also can be carried in the DL-MAP message of Multiplexing Carrier frame, and corresponding specific implementation structure as shown in Figure 2.
(2) at the MS end, MS at first gives tacit consent to the data transmission service of intercepting on the Multiplexing Carrier; In every frame, MS at first will obtain E-MBS IE, and checks the MBS the territory whether registered Business Stream that next special carrier frame carried is wherein arranged, and receives and handles so that carry out follow-up business;
MS is according to specifically carrying out following operation to the check result of E-MBS IE:
(1) if MS is current is intercepting Multiplexing Carrier, and registered MBS business will transmit in next special carrier frame, and then MS will switch at next frame and carry out input on the special carrier;
(2) if the current special carrier of intercepting of MS if registered MBS business is still transmitted, then do not carry out handover operation, otherwise MS will switch to and carry out input on the Multiplexing Carrier at next frame in next special carrier frame.
Is example with MS as receiving terminal, the concrete handling process that MS carries out Data Receiving to Multiplexing Carrier frame and special carrier frame in this processing procedure, supposes that MS is handling the n frame data as shown in Figure 3, for realizing the carrier wave handover operation at type of service, then the processing procedure that can adopt comprises:
Step 6 is determined not include registered MBS business datum territory ID in the E-MBS IE information, and the reception that then will switch to the enterprising line data of Multiplexing Carrier in next frame is handled.
In above-mentioned processing procedure, as can be seen, E-MBS IE information as control information has very little overhead accordingly, according to the form of defined E-MBS IE information in the table 1 as can be known, each the MBS territory in the special carrier frame only needs the expense of about 1 byte length as control information.
The realization of the embodiment of the invention makes the scheduled transmission process that can optimize data service as the equipment such as BS of professional transmitting terminal flexibly, promptly can carry out switching controls between transmission unicast service or MBS business.And, be example with IEEE 802.16 WirelessMAN-OFDMA systems, if adopt the control information type identifier that provides as table 1, can also realize compatible fully with existing systems.
For ease of understanding, describe in detail below in conjunction with the specific implementation process of accompanying drawing to the embodiment of the invention to the embodiment of the invention.
Embodiment one
In this embodiment one, MS at first receives from Multiplexing Carrier and switches to the MBS special carrier, continues to remain on the reception of the enterprising industry affair of special carrier data afterwards.
Among this embodiment one, the frame format of concrete transmission as shown in Figure 4, corresponding handling process comprises:
(1) at first frame, MS at first receives from the signal on the Multiplexing Carrier, and comprises registered MBS business datum domain identifier in first frame;
Be specifically as follows: MS determines to include E-MBS IE information among the DL-MAP of this first frame, and comprises registered MBS business datum domain identifier in the corresponding E-MBS IE information;
(2) switch to the reception of carrying out the MBS business datum on the special carrier at second frame, and in second frame, still comprise registered MBS business datum domain identifier;
Owing to comprise registered MBS business datum domain identifier in the E-MBS IE information in first frame, then show the corresponding registered MBS business datum of transmission on the special carrier of next frame is received so MS switches to the enterprising line data of special carrier at second frame;
(3) the 3rd frames continue to carry out the reception of MBS business datum on special carrier;
At second frame, owing to still include registered MBS business datum domain identifier in the E-MBS IE information, i.e. indication still has registered MBS business datum to transmit on the special carrier of next frame, thereby MS will continue to carry out the reception of MBS business datum at the 3rd frame on special carrier.
Embodiment two
In this embodiment two, MS is at first from switching in the enterprising industry affair of Multiplexing Carrier Data Receiving in the enterprising industry affair of special carrier Data Receiving, afterwards, and again from switching back in the enterprising industry affair of Multiplexing Carrier Data Receiving in the enterprising industry affair of special carrier Data Receiving.
Among this embodiment two, the frame format of concrete transmission as shown in Figure 5, corresponding handling process comprises:
(1) at first frame of Multiplexing Carrier, MS determines to include among the DL-MAP E-MBS IE information, and includes registered MBS business datum domain identifier in this E-MBS IE information;
(2) MS detects E-MBS IE information, determine wherein to include registered MBS business datum domain identifier, the MBS service needed that promptly definite existence has been registered is in next special carrier frame transmission, and therefore, MS will switch to from special carrier at second frame and receive corresponding M BS business datum;
(3), promptly carry out the reception of MBS business datum on the special carrier at second frame;
And according to information in this second frame, MS determines that the E-MBS IE information among the DL-MAP does not have registered MBS business datum domain identifier, and promptly indication does not exist registered MBS business to transmit on the special carrier of next special carrier frame;
(3) at the 3rd frame, MS switches the reception of replying with the enterprising industry affair of carrier wave data;
At the 3rd frame, MS determines that according to the result of second frame needs switch answer with receiving business datum on the carrier wave, and then MS will switch to the enterprising line data reception of Multiplexing Carrier at the 3rd frame;
Simultaneously, at present frame, also needing business datum for next frame is from Multiplexing Carrier or the reception of the enterprising industry affair of special carrier data detects and judgment processing.
Embodiment three
Described among the embodiment before and switched the implementation that carries out business data transmission between single special carrier and the Multiplexing Carrier, in this embodiment three, then provide and used the implementation that switches between a plurality of special carriers and the Multiplexing Carrier with load transmission different business data, under this scheme, the form of corresponding bearing carrier wave indication message is as shown in table 2:
Table 2
| Syntax | Size(bits) | Notes |
| ?E_MBS_IE(){ | ||
| IE? |
4 | The control information type |
| Channels | Variable | The number of MBS special carrier |
| for(m＝0；n＜Channels；m++){ | ||
| Center?frequency?identifier | 8 | Carrier identification |
| MBS? |
3 | MBS territory number in next carrier frame |
| for(n＝0；n＜MBS?zones；n++){ | ||
| MBS?zone?identifier | 7 | Each MBS domain identifier |
| } | ||
| ?} | ||
| ?if(not?at?byte?boundary){ | ||
| Padding?bits | Variable | Byte of padding |
| ?} | ||
| } |
In table 2, comprise the identifier Channels of each special carrier in the E-MBS IE information, give the MBS business of each special carrier institute load; Similar with table 1, at each special carrier, give MBS relam identifier separately simultaneously.
In this embodiment three, the processing mode that MS specifically can adopt mainly comprises: MS at first will resolve E-MBS IE information, the registered MBS business datum domain identifier of search self on all special carriers, if search, then will begin to switch to the reception of carrying out the MBS business datum on the corresponding special carrier and handle at next frame.In embodiment three, concrete a plurality of special carriers and the hand-off process mode between the Multiplexing Carrier can be not described in detail in this with reference to the hand-off process mode of describing at Fig. 3 before.
The embodiment of the invention also provides the service transmission system in a kind of carrier switching process, and its specific implementation structure comprises as shown in Figure 6:
(1) professional dispensing device
This business dispensing device, it is professional transmitting terminal, be used to adopt Multiplexing Carrier or special carrier carrying to carry out professional transmission, bearing carrier wave indication message in described Multiplexing Carrier frame or special carrier frame, described carrier wave indication message are used to represent that next frame is Multiplexing Carrier or special carrier;
This business dispensing device specifically comprises with lower unit:
(1) business transmission processing unit is used to adopt the carrying of Multiplexing Carrier or special carrier and sends business, is specially according to type of service waiting for transmission (unicast service or MBS business etc.) switching corresponding Multiplexing Carrier of use or special carrier and carries out the business transmission;
(2) send the indication processing unit, be used in described professional Multiplexing Carrier or the special carrier bearing carrier wave indication message that processing unit sends that send, described carrier wave indication message is used to represent that next frame is Multiplexing Carrier frame or special carrier frame, promptly be used to indicate the carrier type of next frame employing, as be used to indicate whether next frame is the special carrier frame, whether perhaps, be used to indicate next frame is Multiplexing Carrier frame etc.
If do not obtain corresponding carrier wave indication message as yet in this device, then this device is also stayed to comprise following switching indication acquiring unit alternatively:
Described switching indication acquiring unit, be used for obtaining next special carrier frame MBS territory number and each MBS domain identifier, Warning Mark information, MBS territory number and each MBS domain identifier in special carrier number, special carrier sign, next special carrier frame, and incite somebody to action wherein at least one as described carrier wave indication message, pass to described transmission indication processing unit.
(2) service receiving device
This service receiving device, promptly professional receiving terminal is used for carrying out professional reception according to the carrier wave indication message of Multiplexing Carrier that receives or special carrier frame;
This service receiving device specifically can comprise with lower unit:
(1) switches the indication receiving element, be used for after receiving Multiplexing Carrier frame or special carrier frame, obtaining the carrier wave indication message in Multiplexing Carrier frame or the special carrier frame;
(2) the professional processing unit that receives, be used for next frame Multiplexing Carrier frame or special carrier frame loaded service being received processing according to the carrier wave indication message that described switching indication receiving element receives, promptly determine that according to described carrier wave indication message the carrier type of next frame is Multiplexing Carrier or special carrier, receive so that switch to the detection of carrying out carrier signal on the carrier wave of corresponding types;
This business receive processing unit specifically can but be not limited to comprise with lower unit:
First receiving element, being used at present frame is the Multiplexing Carrier frame, and the carrier wave indication message in Multiplexing Carrier frame indication next frame switches to special carrier at next frame and carries out the business reception when carrying out business transmission by special carrier;
Second receiving element, being used at present frame is the special carrier frame, and the carrier wave indication message in the special carrier frame do not indicate next frame to carry out business when transmission by special carrier, switches to Multiplexing Carrier at next frame and carries out business reception.
In said system and device, corresponding carrier wave indication message comprises following at least one:
MBS territory number and each MBS domain identifier in next special carrier frame;
Warning Mark information;
MBS territory number and each MBS domain identifier in special carrier number, special carrier sign, next special carrier frame.
In described first receiving element and second receiving element, just can determine whether next frame carries out the transmission of MBS business by special carrier, and then adopt the business that is fit to receive processing mode and carry out business and receive and operate according to above-mentioned each or multinomial information.
In sum, in each embodiment of the invention, by in Multiplexing Carrier frame or special carrier frame, transmitting the service transferring mode of carrier wave indication message, so that can in time obtain the carrier type of next frame at professional receiving terminal, carry out professional reception processing thereby be convenient to adopt corresponding carrier signal to detect receive mode, and then improve the professional efficient that receives.The embodiment of the invention also have implementation complexity low, take the little characteristics of network overhead, it specifically can be widely used in the transmitting scene of the professional and unicast service of various MBS.Simultaneously, also adopted the carrier wave indication message of carrying form shown in table 1 or table 2 in the DL-MAP of carrier wave in the embodiment of the invention, thereby when having guaranteed that it is applied in the IEEE 802.16WirelessMAN-OFDMA system, can be well and the existing standard compatibility.
The above; only for the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.
Claims (11)
1. the method for transmitting service in the carrier switching process is characterized in that, comprising:
It is professional to adopt Multiplexing Carrier or special carrier to send, and carries the carrier wave indication message in Multiplexing Carrier frame that sends or special carrier frame, and described carrier wave indication message is used to represent that next frame is Multiplexing Carrier frame or special carrier frame.
2. method according to claim 1 is characterized in that, described carrier wave indication message comprises following at least one:
MBS territory number and each MBS domain identifier in next special carrier frame;
Warning Mark information, described Warning Mark information, the carrier type that is used to indicate next frame to adopt is Multiplexing Carrier or special carrier, perhaps, is used to indicate next frame whether carrier type takes place and switches;
MBS territory number and each MBS domain identifier in special carrier number, special carrier sign, next special carrier frame.
3. method according to claim 1 and 2 is characterized in that, described carrier wave indication message is carried among the descending mapping DL-MAP of Multiplexing Carrier frame or special carrier frame.
4. the professional dispensing device in the carrier switching process is characterized in that, comprising:
The professional processing unit that sends is used to adopt the carrying of Multiplexing Carrier or special carrier and sends professional;
Send the indication processing unit, be used for carrying the carrier wave indication message at the Frame that described professional transmission processing unit sends on Multiplexing Carrier or special carrier, described carrier wave indication message is used to represent that next frame is Multiplexing Carrier frame or special carrier frame.
5. device according to claim 4 is characterized in that, this device also comprises:
Switch the indication acquiring unit, be used for obtaining next special carrier frame MBS territory number and each MBS domain identifier, Warning Mark information, MBS territory number and each MBS domain identifier in special carrier number, special carrier sign, next special carrier frame, and incite somebody to action wherein at least one as described carrier wave indication message, pass to described transmission indication processing unit, described Warning Mark information, the carrier type that is used to indicate next frame to adopt is Multiplexing Carrier or special carrier, perhaps, being used to indicate next frame whether carrier type takes place switches.
6. the service receiving method in the carrier switching process is characterized in that, comprising:
After receiving Multiplexing Carrier frame or special carrier frame, obtain the carrier wave indication message from Multiplexing Carrier frame or special carrier frame, described carrier wave indication message is used to represent that next frame is Multiplexing Carrier frame or special carrier frame;
According to described carrier wave indication message loaded service in next frame Multiplexing Carrier frame or the special carrier frame is received processing.
7. method according to claim 6 is characterized in that, the described carrier wave indication message of obtaining comprises:
From the DL-MAP of Multiplexing Carrier frame or special carrier frame, obtain described carrier wave indication message.
8. according to claim 6 or 7 described methods, it is characterized in that described reception is handled and comprised:
If present frame is the Multiplexing Carrier frame, and the indication of the carrier wave indication message in Multiplexing Carrier frame next frame carries out business transmission by special carrier, then switches to the reception of being engaged in of the enterprising industry of special carrier at next frame;
If present frame is the special carrier frame, and the carrier wave indication message in the special carrier frame do not indicate next frame to carry out business transmission by special carrier, then switches to the reception of being engaged in of the enterprising industry of Multiplexing Carrier at next frame.
9. the service receiving device in the carrier switching process is characterized in that, comprising:
Switch the indication receiving element, be used for obtaining the carrier wave indication message in Multiplexing Carrier frame or the special carrier frame after receiving Multiplexing Carrier frame or special carrier frame, described carrier wave switches indication and is used to represent that next frame is Multiplexing Carrier frame or special carrier frame;
The professional processing unit that receives is used for according to the carrier wave indication message that described switching indication receiving element receives loaded service on next frame Multiplexing Carrier frame or the special carrier being received processing.
10. device according to claim 9 is characterized in that, the described professional processing unit that receives comprises:
First receiving element, being used at present frame is the Multiplexing Carrier frame, and the carrier wave indication message in Multiplexing Carrier frame indication next frame is when carrying out business transmission by special carrier, switches to the reception of being engaged in of the enterprising industry of special carrier at next frame;
Second receiving element, being used at present frame is the special carrier frame, and the carrier wave indication message in the special carrier frame do not indicate next frame to carry out business when transmission by special carrier, switches to the enterprising industry of Multiplexing Carrier at next frame and is engaged in receiving.
11. the service transmission system in the carrier switching process is characterized in that, comprising:
Professional dispensing device, be used to adopt Multiplexing Carrier or special carrier to carry and send business, and carried the carrier wave indication message in the data that on Multiplexing Carrier or special carrier, send, described carrier wave indication message is used to represent that next frame data use Multiplexing Carrier or special carrier transmit;
Service receiving device, be used for after receiving Multiplexing Carrier frame or special carrier frame, obtain the carrier wave indication message in Multiplexing Carrier frame or the special carrier frame, and institute's loaded service in next frame Multiplexing Carrier or the special carrier is received processing according to described carrier wave indication message.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101682741A CN101426239B (en) | 2007-10-31 | 2007-10-31 | Service transmission method, apparatus and system in carrier switching process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101682741A CN101426239B (en) | 2007-10-31 | 2007-10-31 | Service transmission method, apparatus and system in carrier switching process |
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| Publication Number | Publication Date |
|---|---|
| CN101426239A CN101426239A (en) | 2009-05-06 |
| CN101426239B true CN101426239B (en) | 2011-04-06 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102056086A (en) * | 2009-11-06 | 2011-05-11 | 中兴通讯股份有限公司 | Method, terminal and system for receiving multicast broadcasting service |
| CN102238625B (en) * | 2010-05-07 | 2014-07-30 | 大唐移动通信设备有限公司 | Method and device for switching among carriers |
| US9332526B2 (en) * | 2011-10-28 | 2016-05-03 | Qualcomm Incorporated | Discovering an evolved multicast broadcast multimedia service in single or dual band LTE |
| WO2013166688A1 (en) * | 2012-05-10 | 2013-11-14 | 华为技术有限公司 | Communication method and system, user equipment and network side device |
| EP3592086A4 (en) | 2017-04-27 | 2020-03-25 | Beijing Xiaomi Mobile Software Co., Ltd. | Method and apparatus for service multiplexing and transmission, and computer-readable storage medium |
| CN109151844B (en) * | 2017-06-15 | 2023-03-24 | 中兴通讯股份有限公司 | Method, terminal and system for communication between terminals |
| CN114363978B (en) * | 2020-10-12 | 2024-09-24 | 北京紫光展锐通信技术有限公司 | Carrier switching method, management node, terminal node and storage medium |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1497881A (en) * | 2002-10-23 | 2004-05-19 | 华为技术有限公司 | Data transmission method fortime-division duplex mobile communication system |
| CN1734979A (en) * | 2004-08-11 | 2006-02-15 | 华为技术有限公司 | Multicast service subline data transmission method and device |
| CN1839596A (en) * | 2003-08-19 | 2006-09-27 | Lg电子株式会社 | Method and apparatus for transmitting and receiving MBMS packet data and control information |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1497881A (en) * | 2002-10-23 | 2004-05-19 | 华为技术有限公司 | Data transmission method fortime-division duplex mobile communication system |
| CN1839596A (en) * | 2003-08-19 | 2006-09-27 | Lg电子株式会社 | Method and apparatus for transmitting and receiving MBMS packet data and control information |
| CN1734979A (en) * | 2004-08-11 | 2006-02-15 | 华为技术有限公司 | Multicast service subline data transmission method and device |
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