CN101860990B - Empty-port data carrying method, device and system in multi-carrier up enhancement technology - Google Patents
Empty-port data carrying method, device and system in multi-carrier up enhancement technology Download PDFInfo
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Abstract
The embodiment of the invention discloses empty-port data carrying method, a base station, a radio network controller and a system in a multi-carrier up enhancement technology. In the method, the number of carriers is n and the number of logic channels is m, wherein m is greater than 1 and n is not less than 2. The method comprises the following steps that the E-DCH FP (Enhanced Dedicated ChannelFrame Protocol) entity of the base station packages MAC-es PDU (Media Access Control-es Protocol Data Unit) belonging to each logic channel MAC-d flow to be one E-DCH FP data frame; the E-DCH FP entity of the base station sends the E-DCH FP data frame to the radio network controller by transmission carrying corresponding to the E-DCH FP data frame. Compared with the prior art, the embodiment of the invention has the advantages that the empty-port load under the multi-carrier condition can be obviously reduced, the realization is easy and the system compatibility is good.
Description
Technical field
The methods, devices and systems of Deta bearer the present invention relates to eat dishes without rice or wine in the mobile communication technology field, particularly multi-carrier up enhancement technology.
Background technology
In up enhancing technology, in order to carry out transmitting uplink data, at MAC(Media Access Control, FDDI sublayer protocol) in introduced the MAC-es/e entity.The MAC-es entity is for the treatment of MAC-es PDU(Protocol Data Unit, protocol Data Unit) entity.The MAC-e entity is for MAC-e PDU being packaged, unpack, sends and the function such as re-transmission.At FP(Frame Protocol, Frame Protocol) the middle E-DCH(Enhanced Dedicated Transport Channel that introduces, strengthen dedicated transmission channel) processing entities.With reference to shown in Figure 1, above-mentioned each entity is as follows to the processing procedure of upstream data in Fig. 1:
The E-DCH MAC entity (MAC-e/MAC-es entity) of terminal sends MAC-ePDU to the base station;
The MAC-e entity of base station is resolved received PDU, obtains whole MAC-es PDUs wherein;
The E-DCH FP entity of base station will belong to identical MAC-d flow(MAC-d data flow) MAC-es PDUs be packaged into an E-DCH FP Frame;
The base station is with described E-DCH FP Frame, via the interface between IUB(base station controller and the base station) be transferred to RNC(Radio Network Controller, radio network controller with the corresponding transmission bearer of described MAC-d flow on the mouth) upper corresponding MAC-es entity.
Below, be described as follows with concrete example:
Terminal is at certain TTI(Transmission Time Interval, Transmission Time Interval) in sent 1 MAC-e PDU, wherein carry the MAC-es PDUs of 3 MAC-d flow;
The base station will form and 33 E-DCH FP Frames that MAC-d flow difference is corresponding, and by sending to RNC with IUB port transmission bearing corresponding to MAC-d flow, IUB port transmission layer can be adopted suitable agreement to carry after receiving this PDU.
Can find out from said process, in each TTI, if when terminal is passed through the control method of uplink enhanced channel the transmission of data, just need and to be processed in the conventional mode MAC-d PDU from the data of logic channel; At the MAC-es entity, then will form a MAC-es PDU from same logic channel and the identical described MAC-d PDU of size, its form is as shown in Figure 2.Produce simultaneously the header of corresponding MAC-e.Be responsible for a plurality of MAC-es PDU and schedule information SI are encapsulated among the MAC-ePDU by the MAC-e entity, its form sends to the base station as shown in Figure 3 again by eating dishes without rice or wine.
The MAC-e entity of base station is resolved received MAC-e PDU, MAC-es PDU wherein is packaged into E-DCH FP Frame together with header etc. according to E-DCH FP data frame format, its form as shown in Figure 4, Number of Subframes=1 wherein, the quantity of expression subframe is 1.The base station sends to base station controller by carrying corresponding on the IUB mouth with described E-DCH FP Frame.Wherein 1 of the IUB mouth EDCH FP Frame is corresponding to from the content among 1 the MAC-e PDU that eats dishes without rice or wine.
Can find out from said process, after introducing multi-carrier HSUPA (High Speed Uplink Packet Access, High Speed Uplink Packet access) technology, because terminal can send the different data of content simultaneously on a plurality of carrier waves.If the carrier number that terminal is supported is N, N different MAC-e PDU can be received simultaneously at 1 TTI in the base station so, rather than as prior art, only receives only 1 MAC-e PDU.Correspondingly, after this N PDU decoding finished, if each MAC-e PDU comprises the data of 2 MAC-d flow, because each EDCH FP frame is from 1 MAC-d flow of 1 MAC-e PDU, so the base station sends to radio network controller with these E-DCH FP Frames after can being packaged into N * 2 an E-DCH FP Frame via eating dishes without rice or wine.
In carrying out the invention process, the inventor finds that there are the following problems at least in the prior art:
In the situation of using the multi-carrier HSUPA technology, terminal can send MAC-e PDU at a plurality of carrier waves on a TTI, the base station need to produce a plurality of E-DCH FP Frames simultaneously to same terminal, and send it to radio network controller, cause the load of eating dishes without rice or wine obviously overweight.
Summary of the invention
In view of this, the purpose of the one or more embodiment of the present invention is to provide the methods, devices and systems of Deta bearer of eating dishes without rice or wine in a kind of multi-carrier up enhancement technology, sends OL technical problem to solve above-mentioned multicarrier upstream data.
For addressing the above problem, the embodiment of the invention provides the method for the Deta bearer of eating dishes without rice or wine in a kind of multi-carrier up enhancement technology, and carrier number is n, and the logic channel number is m, and m, comprising more than or equal to 2 more than or equal to 1, n:
The MAC-es PDU that base station E-DCH FP entity will belong to each logic channel MAC-d flow is encapsulated as respectively 1 E-DCH FP Frame;
Base station E-DCH FP entity sends described E-DCH FP Frame via the transmission bearer corresponding with described E-DCH FP Frame to radio network controller (RNC).
The base station of the Deta bearer of eating dishes without rice or wine in a kind of multi-carrier up enhancement technology also is provided, and carrier number is n, and the logic channel number is m, and m, comprising more than or equal to 2 more than or equal to 1, n:
E-DCH FP frame encapsulation unit is encapsulated as respectively 1 E-DCH FP Frame for the MAC-es PDU that will belong to each MAC-d flow;
Transmitting element is used for via the transmission bearer corresponding with described E-DCH FP Frame, and described E-DCH FP Frame is sent to radio network controller (RNC).
The radio network controller of the Deta bearer of eating dishes without rice or wine in a kind of multi-carrier up enhancement technology also is provided, and carrier number is n, and the logic channel number is m, and m, comprising more than or equal to 2 more than or equal to 1, n:
The 3rd receiving element, be used for receiving the described E-DCH FP Frame that the base station sends by the transmission bearer corresponding with E-DCH FP Frame, described E-DCH FP Frame is the MAC-es PDU that will be belonged to each logic channel by the base station, by being respectively the E-DCH FP Frame that obtains behind 1 E-DCH FP Frame of described each logic channel encapsulation.
The system of the Deta bearer of eating dishes without rice or wine in a kind of multi-carrier up enhancement technology also is provided, comprise base station and radio network controller, described base station is such as disclosed each described base station in the embodiment of the invention, and described radio network controller is disclosed each described radio network controller in the embodiment of the invention.
Compared with prior art, the embodiment of the invention has the following advantages:
At first, after the embodiment of the invention is encapsulated as respectively 1 E-DCH FP Frame by the MAC-es PDU that will be belonged to each logic channel by base station E-DCH FP entity, base station E-DCH FP entity is via the transmission bearer corresponding with described E-DCH FP Frame, described E-DCH FP Frame is sent to radio network controller (RNC), the content of a plurality of MAC-e PDU can be combined in 1 E-DCH FP Frame, can avoid after the multi-carrier HSUPA technology is introduced, at a plurality of E-DCH FP frames of eating dishes without rice or wine to occur simultaneously 1 terminal, the technical problem of eating dishes without rice or wine to transmit the load increase that causes has significantly reduced the load of eating dishes without rice or wine.
Secondly, do not need to revise existing E-DCH FP frame format in the embodiment of the invention, need that only limited expansion is carried out in definition wherein and get final product, it is easy to realize, system compatibility is good.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Shown in Figure 1, be transmitting uplink data structure chart in the prior art;
Shown in Figure 2, be MAC-es PDU data frame structure schematic diagram;
Shown in Figure 3, be MAC-e PDU data frame structure schematic diagram;
Shown in Figure 4, be E-DCH FP data frame structure schematic diagram in the prior art;
Shown in Fig. 4-1, it is E-DCH FP data frame structure schematic diagram in the embodiment of the invention;
Shown in Figure 5, be the method flow diagram one of the embodiment of the invention;
Shown in Fig. 5-1, it is the method flow diagram two of two carrier waves in the embodiment of the invention;
Shown in Figure 6, be the method flow diagram three of the embodiment of the invention;
Shown in Figure 7, be the architecture of base station block diagram of the embodiment of the invention;
Shown in Figure 8, be the radio network controller structured flowchart of the embodiment of the invention;
Shown in Figure 9, be the system architecture diagram of the embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
It is a kind of in the multi-carrier HSUPA technology that the embodiment of the invention provides, and by expansion E-DCH FP Frame, each carrier data that receive the base station is used an E-DCH FP Frame, is transferred to the technical scheme of radio network controller.
1 E-DCH FP Frame of the prior art comprises the information that belongs to 1 MAC-d flow among 1 MAC-e PDU, and the expansion of content that in the embodiment of the invention 1 E-DCH FP Frame is comprised becomes the content from belonging to of a plurality of MAC-e PDU of same MAC-d flow.
Shown in figure 4-1, be E-DCH FP data frame format figure in the embodiment of the invention.
Below, as shown in Figure 5, take three carrier waves as example, a kind of implementation procedure of the embodiment of the invention is described:
501, the base station scheduling terminal sends upstream data at 3 carrier waves simultaneously at certain TTI, and namely carrier wave 1, carrier wave 2 and carrier wave 3;
502, terminal is authorized according to the base station, carries out E-TFC(and strengthens transformat combination enhancing transformat combination), form respectively 3 MAC-e PDU, send by different carrier separately.Wherein, the MAC-e PDU content that sends on each carrier wave is different, has comprised the MAC-es PDU of logic channel 1 and the MAC-es PDU of logic channel 2 among each MAC-e PDU;
503, the base station success receives three MAC-e PDU:MAC-e PDU1, MAC-e PDU2 and MAC-e PDU3 at three carrier waves, and parse wherein MAC-es PDU:MAC-es PDU1-1, MAC-es PDU 1-2, MAC-es PDU2-1, MAC-es PDU2-2, MAC-es PDU3-1, MAC-es PDU3-2; MAC-es PDU1-1 represents the 1st MAC-es PDU among the MAC-e PDU1, and MAC-es PDU1-2 represents the 1st MAC-es PDU among the MAC-e PDU2, other the like.
Wherein, these three PDU of MAC-es PDU1-1, MAC-es PDU2-1 and MAC-es PDU3-1 belong to the data of logic channel 1, corresponding to MAC-d flow1; These three PDU of MAC-es PDU1-2, MAC-es PDU2-2 and MAC-es PDU3-2 belong to the data of logic channel 2, corresponding to MAC-d flow2.
504, the E-DCH FP entity of base station 3 MAC-es PDU that will belong to MAC-d flow1 are packaged into 1 E-DCH FP Frame, and the transmission bearer corresponding via flow1 sends to RNC; 3 MAC-es PDU that will belong to MAC-d flow2 are combined into 1 E-DCH FP Frame, and the transmission bearer corresponding via flow2 sends to RNC;
505, RNC resolves respectively two E-DCH FP Frames that receive, and recovers MAC-es PDU data, reorders and unpacks processing according to existing agreement flow process.
Pass through the above embodiment of the present invention, in the situation of three carrier waves, the base station only need to be packaged into and send to RNC behind 2 E-DCH FP Frames and get final product, and in the prior art, then need to encapsulate 3 * 2=6 E-DCH FP Frame, and then send to RNC, obviously reduced the quantity of the E-DCH FP Frame of base station encapsulation.
Moreover, suppose to use IP(Internet Protocol in the transport layer of IUB mouth, Internet Protocol) protocol layer carries the FP transfer of data, if: the IP header overhead is 40 bytes, the size of the MAC-es PDU of logic channel 1 correspondence is 40 bytes, and the size of the MAC-es PDU of logic channel 2 correspondences is 10 bytes.The length of the IP bag of the IUB port transmission that so, the E-DCH FP Frame of logic channel 1 correspondence is corresponding is:
The 40(IP head)+(4+3 * 3+2) (annotate: be FP frame head postamble)+3 * 40(MAC-es PDU data)=175 bytes;
If adopt mode of the prior art, the used IP bag of 3 the FP Frames overall length that corresponds to so the IUB port transmission is: (40+(4+3+2)+40) * the 3=267 byte;
So in the situation of three carrier waves, embodiments of the invention can alleviate about 40% with IUB port transmission load.
In like manner as can be known, for the data of logic channel 2, when adopting the embodiment of the invention, corresponding IP bag length is 85 bytes, and when adopting the technical scheme of prior art, it is 177 bytes that corresponding IP wraps overall length; IUB port transmission load can be alleviated about 52%.
The technical scheme of the embodiment of the invention can be introduced in the HSPA+ technology equally in the situation of multi-carrier up enhancement technology and be suitable for equally.
The embodiment of the invention is combined in 1 E-DCH FP Frame by the content with a plurality of MAC-e PDU, can avoid after the multi-carrier HSUPA technology is introduced, at the IUB mouth a plurality of E-DCH FP frames of 1 terminal may appear simultaneously, the technical problem that the IUB port transmission that causes load increases.Simultaneously existing E-DCH FP frame format itself does not need to make an amendment, and only need to do certain expansion to definition wherein and get final product.
In like manner, the embodiment of the invention can also be applicable to two carrier waves and four carrier waves and above situation, and the quantity of logic channel can according to the needs of applied environment, be configured.Can obtain the technique effect similar with above-described embodiment.In the situation that logic channel quantity is determined, the quantity of carrier wave is more, and the load that the IUB mouth can alleviate is just more obvious; Correspondingly, in the situation that number of carriers is determined, the quantity of logic channel is less, and the load that can alleviate is also just more obvious.
Shown in figure 5-1, be the method flow diagram two in the situation of two carrier waves that provide of the embodiment of the invention, in the present embodiment, terminal supports L2 to strengthen characteristic, namely uses the MAC-i/is entity, comprises step:
511, the base station scheduling terminal sends data at 2 carrier waves simultaneously at certain TTI, i.e. carrier wave 1 and carrier wave 2;
512, terminal is authorized according to the base station, carries out E-TFC(and strengthens transformat combination enhancing transformat combination), form respectively 2 MAC-i PDU:MAC-i PDU1, MAC-i PDU2 sends by different carrier separately.Wherein, the MAC-i PDU content that sends on each carrier wave is different, has comprised the MAC-is PDU1-1 of logic channel 1 among each MAC-i PDU, the MAC-is PDU2-1 of MAC-is PDU1-2 and logic channel 2, MAC-is PDU2-2;
513, the base station receives and parses simultaneously 2 MAC-i PDU and MAC-is PDU, and the MAC-is PDU that will belong to same logic channel (being same flow) is encapsulated in 1 E-DCH FP Frame, owing to comprise two logic channels in the embodiment of the invention, just form 2 E-DCH FP Frames, the 1st Frame comprises MAC-is PDU1-1 and MAC-is PDU2-1, and the 2nd Frame comprises MAC-is PDU1-2 and MAC-is PDU2-2;
514, the base station sends described E-DCH FP Frame;
515, RNC receives this two frame data, and according to format analysis, can obtain corresponding MAC-is PDU.
What present embodiment was saved eats dishes without rice or wine to load and can apparently, also have similar beneficial effect with reference to embodiment shown in Figure 5, no longer repeats.
With reference to shown in Figure 6, be the flow chart 3 of method of Deta bearer of eating dishes without rice or wine in a kind of multi-carrier up enhancement technology of providing of the embodiment of the invention, carrier number is n, the logic channel number is m, m more than or equal to 1, n more than or equal to 2, wherein, as a kind of preferred version, described n=3, m=2; Comprise step:
601, the base station E-DCH FP entity MAC-es PDU that will belong to each logic channel is encapsulated as respectively 1 E-DCH FP Frame;
Wherein, before described encapsulation, can also comprise:
The base station receive the entrained MAC-e PDU1 of each carrier wave, MAC-e PDU2 ..., MAC-e PDUn, resolve obtain MAC-es PDU1-1, MAC-es PDU2-1 ..., MAC-es PDUn-m.
Wherein, receive in described base station the entrained MAC-e PDU1 of each carrier wave, MAC-e PDU2 ..., before the MAC-e PDUn, can also comprise:
The base station scheduling terminal sends upstream data at n carrier wave simultaneously at certain TTI;
Terminal is authorized according to the base station, carry out E-TFC(and strengthen transformat combination enhancing transformat combination), after forming respectively n MAC-e PDU, send to the base station by different carrier respectively, all comprised among the described MAC-e PDU logic channel 1 MAC-es PDU ..., logic channel m MAC-es PDU.
602, base station E-DCH FP entity sends described E-DCH FP Frame via the transmission bearer corresponding with described E-DCH FP Frame to radio network controller (RNC).
Wherein, described E-DCH FP Frame after radio network controller (RNC) sends, is also comprised:
RNC resolves respectively the described E-DCH FP Frame that receives, and reorders and unpacks.
Wherein, described n=2, m=2, namely the number of carrier wave and logic channel can also be worth for other.
With reference to shown in Figure 7, be the structured flowchart of base station of Deta bearer of eating dishes without rice or wine in a kind of multi-carrier up enhancement technology of providing of the embodiment of the invention, carrier number is n, and the logic channel number is m, and m, comprising more than or equal to 2 more than or equal to 1, n:
E-DCH FP frame encapsulation unit 701 is encapsulated as respectively 1 E-DCH FP Frame for the MAC-es PDU that will belong to each logic channel;
Transmitting element 702 is used for via the transmission bearer corresponding with described E-DCH FP Frame, and described E-DCH FP Frame is sent to radio network controller (RNC).
Wherein, the number n=3 of described carrier wave, the quantity m=2 of logic channel; Or n=2, m=2.
Wherein, can also comprise:
The first receiving element 703, be used for to receive each carrier wave entrained MAC-e PDU1, MAC-e PDU2 ..., MAC-e PDUn, resolve obtain MAC-es PDU1-1, MAC-es PDU2-1 ..., MAC-es PDUn-m;
Wherein, can also comprise:
The second receiving element 705, be used for n the MAC-e PDU that receiving terminal sends to the base station by different carrier respectively, described n MAC-e PDU is that terminal is authorized according to the base station, carry out E-TFC(and strengthen transformat combination enhancing transformat combination), form respectively, all comprised among the described MAC-e PDU logic channel 1 MAC-es PDU ..., logic channel m MAC-es PDU.
With reference to shown in Figure 8, be the structured flowchart of radio network controller of Deta bearer of eating dishes without rice or wine in a kind of multi-carrier up enhancement technology of providing of the embodiment of the invention, carrier number is n, and the logic channel number is m, and m, comprising more than or equal to 2 more than or equal to 1, n:
The 3rd receiving element 801, be used for receiving the described E-DCH FP Frame that the base station sends by the transmission bearer corresponding with E-DCH FP Frame, described E-DCH FP Frame is the MAC-es PDU that will be belonged to each logic channel by the base station, by being respectively the E-DCH FP Frame that obtains behind 1 E-DCHFP Frame of described each logic channel encapsulation.
Wherein, can also comprise:
Wherein, described n=3, m=2; Or n=2, m=2
With reference to shown in Figure 9, it is the structured flowchart of system of Deta bearer of eating dishes without rice or wine in a kind of multi-carrier up enhancement technology of providing of the embodiment of the invention, comprise base station 901 and radio network controller 902, the base station that described base station provides for each embodiment of the invention, the radio network controller that described radio network controller provides for each embodiment of the invention.
Base station of the present invention all has the specified features identical with embodiment of the method with radio network controller and system embodiment, can jointly be used, and adopts same inventive principle, has identical technique effect, no longer repeats.
Above-described embodiment of the present invention does not consist of the restriction to protection range of the present invention.Any modification of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., all should be included within protection scope of the present invention.
Claims (4)
1. eat dishes without rice or wine in the multi-carrier up enhancement technology method of Deta bearer, carrier number is n, and the logic channel number is m, and m, is characterized in that more than or equal to 2 more than or equal to 1, n, comprising:
The base station scheduling terminal sends upstream data at n carrier wave simultaneously at certain TTI;
Terminal is authorized according to the base station, strengthen transformat combination E-TFC and strengthen transformat combination, after forming respectively n MAC-e PDU, send to the base station by different carrier respectively, all comprised among the described MAC-ePDU logic channel 1 MAC-es PDU ..., logic channel m MAC-es PDU;
The base station receive the entrained MAC-e PDU1 of each carrier wave, MAC-e PDU2 ..., MAC-e PDUn, resolve obtain MAC-es PDU1-1, MAC-es PDU2-1 ..., MAC-es PDUn-m; Described n=3, m=2; Or n=2, m=2;
The MAC-es PDU that base station E-DCH FP entity will belong to each logic channel MAC-d flow is encapsulated as respectively 1 E-DCH FP Frame;
Base station E-DCH FP entity sends described E-DCH FP Frame via the transmission bearer corresponding with described E-DCH FP Frame to radio network controller (RNC).
2. the method for claim 1 is characterized in that, described E-DCH FP Frame after radio network controller (RNC) sends, is also comprised:
RNC resolves respectively the described E-DCH FP Frame that receives, and reorders and unpacks.
3. eat dishes without rice or wine in the multi-carrier up enhancement technology base station of Deta bearer, carrier number is n, and the logic channel number is m, and m, is characterized in that more than or equal to 2 more than or equal to 1, n, comprising:
Scheduling unit is used for dispatch terminal and sends upstream data at n carrier wave simultaneously at certain TTI;
The second receiving element, be used for n the MAC-e PDU that receiving terminal sends to the base station by different carrier respectively, described n MAC-e PDU is that terminal is authorized according to the base station, strengthen transformat combination E-TFC and strengthen transformat combination, form respectively, all comprised among the described MAC-e PDU logic channel 1 MAC-es PDU ..., logic channel m MAC-es PDU;
The first receiving element, be used for to receive each carrier wave entrained MAC-e PDU1, MAC-e PDU2 ..., MAC-e PDUn, resolve obtain MAC-es PDU1-1, MAC-es PDU2-1 ..., MAC-es PDUn-m; Described n=3, m=2; Or n=2, m=2;
E-DCH FP frame encapsulation unit is encapsulated as respectively 1 E-DCH FP Frame for the MAC-es PDU that will belong to each MAC-d flow;
Transmitting element is used for via the transmission bearer corresponding with described E-DCH FP Frame, and described E-DCH FP Frame is sent to radio network controller (RNC).
4. eat dishes without rice or wine in the multi-carrier up enhancement technology system of Deta bearer is characterized in that comprise base station and radio network controller, described base station is base station as claimed in claim 3, and described radio network controller comprises:
The 3rd receiving element, be used for receiving the described E-DCH FP Frame that the base station sends by the transmission bearer corresponding with E-DCH FP Frame, described E-DCH FP Frame is the MAC-es PDU that will be belonged to each logic channel by the base station, by being respectively the E-DCH FP Frame that obtains behind 1 E-DCH FP Frame of described each logic channel encapsulation; Described n=3, m=2; Or n=2, m=2;
Resolution unit is used for resolving respectively the described E-DCH FP Frame that receives, and reorders and unpacks.
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| CN101150596A (en) * | 2007-11-12 | 2008-03-26 | 北京天碁科技有限公司 | Construction method and parsing method for MAC-e protocol data unit |
| CN101374040A (en) * | 2007-08-24 | 2009-02-25 | 大唐移动通信设备有限公司 | Method and apparatus for implementing multi-carrier district high speed data business transmission |
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| CN101374040A (en) * | 2007-08-24 | 2009-02-25 | 大唐移动通信设备有限公司 | Method and apparatus for implementing multi-carrier district high speed data business transmission |
| CN101150596A (en) * | 2007-11-12 | 2008-03-26 | 北京天碁科技有限公司 | Construction method and parsing method for MAC-e protocol data unit |
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