CN102056032B - Device and method for multi-standard data transmission based on OBSAI protocol - Google Patents
Device and method for multi-standard data transmission based on OBSAI protocol Download PDFInfo
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Abstract
The invention discloses device and method for multi-standard data transmission based on the OBSAI (open base station architecture initiative) protocol. The device comprises a base-band unit, a cross-unit and a radio-frequency unit, wherein the base-band unit is used for fitting base-band data and signaling data corresponding to standards into an OBSAI code stream and then outputting to the cross-unit and for performing the frame solution of an OBSAI code stream from the cross-unit to obtain base-band data and signaling data; the cross-unit is used for splitting an OBSAI code stream from the base-band unit or the radio-frequency unit to form base-band data and signaling data and transmitting the code stream in a crossed manner onto an optical port or the base-band unit corresponding to a target address according to a target address of the code stream after splitting; and the radio-frequency unit is used for performing the local frame solution or the forwarding of the received OBSAI code stream according to a target address of the received code stream and forwarding a locally-generated OBSAI code stream according to a target address of the locally-generated code stream. The device provided by the invention can achieve the transmission of the multi-standard data.
Description
Technical field
The present invention relates to the mobile communication technology field, relate in particular to a kind of multi-standard based on OBSAI (Open BaseStation Architecture Initiative, Open Base Station Architecture) agreement reportedly conveying device and method.
Background technology
the standard of 3G originally had WCDMA (Wideband CDMA, Wideband Code Division Multiple Access (WCDMA)), CDMA2000 (Code Division Multiple Access 2000, CDMA 2000), TD-SCDMA (TimeDivision-Synchronous Code Division Multiple Access, the CDMA (Code Division Multiple Access) that time-division is synchronous) three kinds, WIMAX (Worldwide Interoperability for Microwave Access in 2007, the worldwide interoperability for microwave access) rank among again wherein, make 3G standard just have 4, add the GSM/CDMA of 2G and the LTE of accurate 4G (Long Term Evolution, Long Term Evolution), IEEE802.16M etc., there are 8 more than at the wireless standard of using and will use at present, to support simultaneously so multiple standards, it is all a burden concerning many equipment vendors.And along with the increase of device category, exploitation and safeguard it is all a problem if these standards all can be merged on a hardware platform, will alleviate R﹠D costs and the equipment cost of equipment vendor so undoubtedly greatly.Under this background, Multi-Mode Base Station just arises at the historic moment.
As its name suggests; Multi-Mode Base Station is exactly the base station of supporting simultaneously multiple wireless standard, has so both reduced hardware cost, also is convenient to operator and can releases fast new business; so each producer is all concentrating one's energy to study Multi-Mode Base Station, in order to occupy first chance in future competition.
A bottleneck of exploitation Multi-Mode Base Station just is base band-radio frequency interface, and this interface is exactly a data transmission link of Base Band Unit and radio frequency unit in fact, certainly also has the supplementarys such as signaling, timing signal.Because data format, the speed of various standards are all different, therefore how they being merged transmission is a difficult problem.
at present using in the world two kinds of maximum base band radio frequency interface agreements is CPRI (distributed base station and common public radio interface) agreement and OBSAI agreement, and number of patent application is 200510114750 Chinese patent application, denomination of invention is 2007091896 European patent for " in distributed base station system based on CPRI multi-protocol signal transmission method and device thereof " and the patent No., denomination of invention is " CPRI-basedmultiprotocol signal transmission method and apparatus in distributed base stationsystem " (in distributed base station system based on CPRI multi-protocol signal transmission method and device thereof), adopted exactly the transmission of CPRI agreement realization to various normal datas.
But, for the OBSAI agreement, in prior art, do not adopt the realization of OBSAI agreement to the good technique scheme of the transmission of various normal datas at present.
Summary of the invention
The invention provides a kind of multi-standard based on the OBSAI agreement reportedly conveying device and method, realized the transmission of multi-standard certificate.
Concrete, a kind of multi-standard based on the OBSAI agreement provided by the invention is conveying device reportedly, comprising: cross unit, Base Band Unit and the radio frequency unit corresponding with a plurality of wireless standards;
Described Base Band Unit exports described cross unit to after being used for the base band data of corresponding standard and signaling data are fitted within the OBSAI code stream; The OBSAI code stream that described cross unit sends is separated the frame processing, obtain base band data and signaling data;
Described cross unit, be used for the OBSAI code stream of described Base Band Unit or radio frequency unit transmission is split as base band data code stream and signaling data code stream, according to the destination address of code stream after splitting, described code stream intersection is sent on destination address corresponding light mouth or Base Band Unit;
Radio frequency unit, the OBSAI code stream that is used for receiving carries out this locality according to its destination address and separates frame or forwarding; The OBSAI code stream that local framing is produced forwards according to its destination address.
Wherein, described Base Band Unit comprises: N group/solution frame module, and wherein N is positive integer;
Described group/separate frame module, be used for the adaptation rule according to OBSAI agreement Bitmap definition, base band data and the signaling data of corresponding standard fitted within the OBSAI code stream; The OBSAI code stream that receives is separated frame process base band data and the signaling data that obtains correspondence.
Based on above-mentioned technical characterictic, described cross unit comprises and described Base Band Unit Cross module and summation module one to one;
Described Cross module, be used for the OBSAI code stream that receives is split as base band data code stream and signaling data code stream, and according to the destination address of described base band data code stream and signaling code stream, described base band data code stream and signaling data code stream are intersected send to summation module corresponding to destination address place passage;
Described summation module is used for receiving base band data code stream and the signaling data code stream that described each Cross module sends, and described base band data code stream and signaling data code stream is mixed for sending after the OBSAI code stream of at least one road.
Further, described summation module also is used for payload to the described base band data code stream that the receives message identical with signaling data code stream frame head and carries out the addition summation and process.
Described radio frequency unit comprises:
Routing module is used for the destination address according to the OBSAI code stream that receives, and described OBSAI code stream is sent to group/solution frame module or forwards; The OBSAI code stream of this locality being organized/separated the frame module transmission forwards;
Group/separate frame module is used for that the OBSAI code stream that described routing module sends is separated frame and processes, and obtains base band data and signaling data; After being fitted within the OBSAI code stream, the base band data of this locality and signaling data send to described routing module.
Further, described Base Band Unit also comprises:
The multiplex/demultiplex module sends to described cross unit after on OBSAI code stream multiplex to a link of each being organized/separates frame module; The OBSAI code stream that described cross unit is sent carries out sending to after demultiplexing is processed each group/solution frame module.
Based on above-mentioned technical characterictic, described cross unit comprises and described Base Band Unit demultiplexing module, Cross module, summation module and Multiplexing module one to one;
Described demultiplexing module is used for the OBSAI code stream of described Base Band Unit or radio frequency unit transmission is carried out the demultiplexing processing;
Described Cross module, OBSAI code stream after being used for demultiplexing is processed is split as base band data code stream and signaling data code stream, and according to the destination address of described base band data code stream and signaling code stream, described base band data code stream and signaling data code stream are intersected send to summation module corresponding to destination address place passage;
Described summation module is used for receiving base band data code stream and the signaling data code stream that described each Cross module sends, and described base band data code stream and signaling data code stream is mixed for being sent to described Multiplexing module after the OBSAI code stream of at least one road;
Described Multiplexing module sends after on each OBSAI code stream multiplex to a link that will receive.
Wherein, described summation module also is used for payload to the described base band data code stream that the receives message identical with signaling data code stream frame head and carries out the addition summation and process.
Based on above-mentioned technical characterictic, described radio frequency unit comprises:
Demultiplexing module is used for that the OBSAI code stream that receives is carried out demultiplexing and processes;
Routing module, the destination address of the OBSAI code stream after being used for processing according to demultiplexing sends to group/solution frame module or Multiplexing module with described OBSAI code stream, and the OBSAI code stream that the frame module transmission was organized/separated in this locality is forwarded to described Multiplexing module;
Multiplexing module sends after on each OBSAI code stream multiplex to a link that will receive;
Group/separate frame module is used for that the OBSAI code stream that described routing module sends is separated frame and processes, and obtains base band data and signaling data; After being fitted within the OBSAI code stream, the base band data of this locality and signaling data send to described routing module.
The present invention also provides reportedly transmission method of a kind of multi-standard based on the OBSAI agreement, comprising:
After the OBSAI code stream that step 2, cross unit send each Base Band Unit is split as base band data code stream and signaling data code stream, according to the destination address of the code stream after splitting, described base band data code stream and signaling data code stream intersection are sent on light mouth corresponding to destination address;
When step 3, radio frequency unit receive the OBSAI code stream by the light mouth, according to the destination address of described OBSAI code stream, described OBSAI code stream is separated frame process or be forwarded to the downstream radio frequency unit.
Wherein, described step 3 also comprises:
Described radio frequency unit sends to the downstream RF processing unit after the base band data of this locality and signaling data are fitted within the OBSAI code stream.
The present invention also provides reportedly transmission method of a kind of multi-standard based on the OBSAI agreement, comprising:
The destination address that step 1, radio frequency unit send the downstream is OBSAI code stream non-indigenous and/or the local OBSAI code stream that produces, and is forwarded to described cross unit;
After step 2, cross unit are split as base band data code stream and signaling data code stream with the OBSAI code stream that receives, according to the destination address of the code stream after splitting, described base band data code stream and signaling data code stream intersection are sent to Base Band Unit corresponding to destination address;
The OBSAI code stream that step 3, Base Band Unit send described cross unit is separated frame and is processed, and obtains base band data and signaling data.
Wherein, described step 1 also comprises:
The destination address that radio frequency unit sends the downstream is separated frame for local OBSAI code stream and is processed, and obtains base band data and signaling data.
Beneficial effect of the present invention is as follows:
The present invention realizes the transmission of Multi-Mode Base Station signal by the OBSAI agreement, utilize the theory of the distinctive frame structure of OBSAI agreement and hierarchical design to realize, its hierarchy can effectively be isolated various wireless standards, has realized very easily supporting simultaneously multiple standards on a hardware platform, an optical fiber;
The present invention is by adding the cross unit module that has nothing to do with each consensus standard to realize the forwarding that intersects of downstream units, only need replacing Base Band Unit and radio frequency unit can support new wireless standard, the software of other unit, hardware and logic all need not to change, even Base Band Unit and radio frequency unit, their bottom transport module is also identical, can use existing module, therefore the research staff just can concentrate on energy in the processing of wireless standard, need not be concerned about the bottom transmission, both accelerate progress, improved again quality.
Description of drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, the below will do one to the accompanying drawing of required use in embodiment or description of the Prior Art and introduce simply, apparently, accompanying drawing in the following describes is only 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.
Fig. 1 is the reportedly structure chart of conveying device of the multi-standard based on the OBSAI agreement provided by the invention;
Fig. 2 for the embodiment of the present invention provide based on the multi-standard of the OBSAI agreement structure chart of conveying device reportedly;
Fig. 3 is the structure chart of Base Band Unit in the embodiment of the present invention;
Fig. 4 A is the structure chart of cross unit in the embodiment of the present invention;
Fig. 4 B is the structure chart of cross unit in the embodiment of the present invention;
Fig. 5 is the structure chart of radio frequency unit in the embodiment of the present invention;
Fig. 6 is the another structure chart of radio frequency unit in the embodiment of the present invention;
Fig. 7 is OBSAI protocol architecture schematic diagram in the embodiment of the present invention;
Fig. 8 is the reportedly flow chart of transmission method of the multi-standard based on the OBSAI agreement provided by the invention;
Fig. 9 is the reportedly flow chart of transmission method of another multi-standard based on the OBSAI agreement provided by the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in 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.
The invention provides reportedly conveying device of a kind of multi-standard based on the OBSAI agreement, as shown in Figure 1, comprising: cross unit 110, Base Band Unit 120 and the radio frequency unit 130 corresponding with a plurality of wireless standards;
The present invention is by adding the cross unit module that has nothing to do with each consensus standard to realize the forwarding that intersects of downstream units, only need replacing Base Band Unit and radio frequency unit can support new wireless standard, the software of other unit, hardware and logic all need not to change, even Base Band Unit and radio frequency unit, their bottom transport module is also identical, can use existing module, therefore the research staff just can concentrate on energy in the processing of wireless standard, need not be concerned about the bottom transmission, both accelerate progress, improved again quality.
The below provides preferred embodiment of the present invention according to Fig. 2～Fig. 7, and in conjunction with the description to embodiment, further provides ins and outs of the present invention, and the specific implementation process of the method that provides of the present invention can be described better.
Theory based on the distinctive frame structure of OBSAI agreement and hierarchical design very is fit to transmit simultaneously the base band data of a plurality of standards, and the present invention realizes the base band radio frequency interface of Multi-Mode Base Station with the OBSAI agreement.Wherein, the OBSAI agreement, be a standardization body that is initiated by renowned companies such as Nokia, ZTE Corporation, Samsung, it is devoted to build a common interface between Base Band Unit and radio frequency unit, and the equipment of different manufacturers can pass through this interface inter-link.
The least unit of OBSAI agreement is message, and as shown in chart one, it comprises destination address, data type, timestamp and 4 parts of payload, totally 19 bytes, the length of each part and implication.
| Title | Length (bit) | Implication |
| Destination address | 13 | Indicate this message will send which node to |
| |
5 | Indicate the payload type in this message, wireless standard, signaling frame, control frame etc. |
| |
6 | The time of indicating this message to send |
| Payload | 128 | The payload of this message carrying, totally 16 bytes |
Table one
Based on the basic principle of OBSAI agreement, the below to the multi-standard based on the OBSAI agreement provided by the invention reportedly conveying device be described in detail, as shown in Figure 2, this device specifically comprises: Base Band Unit 210, cross unit 220 and radio frequency unit 230; Wherein, Base Band Unit and a plurality of wireless standard one to one, and corresponding at least one radio frequency unit of each standard.Radio frequency unit 230 can be supported different cascade network modes, chain for example, and star and annular namely show the structure chart of different cascade network modes in figure.
The below is described composition and the function of each unit:
Wherein, each group/solution frame module 211, be used for the adaptation rule according to OBSAI agreement Bitmap definition, in the OBSAI code stream that base band data and the signaling data of corresponding wireless standard fitted within 1 speed successively, and the OBSAI code stream of 1 speed exported to multiplex/demultiplex module 212; Receive the OBSAI code stream that multiplex/demultiplex module 212 sends, it is separated obtain base band data and signaling data after frame is processed.
It is to be noted, the inner destination address that is inserted with base band data of header (leading address) of each message (message) in the OBSAI code stream, this destination address is exactly the address that will receive the radio frequency unit of message, and each radio frequency unit has its independently address, so that the intersection of downstream cross unit forwards.
Multiplex/demultiplex module 212 is used for OBSAI code stream multiplex to a link with N road 1 speed, and the OBSAI code stream of the N speed after multiplexing is sent to cross unit 220; Receive the OBSAI code stream that cross unit 220 sends, it is carried out sending to each after demultiplexing is processed organize/separate frame module 211.
Need to prove, the numerical value of N can arrange the requirement of total stream rate according to operator,, when the total stream rate that requires to export is 4 times of speed, can select the work of 4 framing modules that is; Can certainly be when the total stream rate that requires to export be 4 times of speed, arrange in N framing module 4 and be operating state, and other be masked state, realize the speed control to 4 times of code streams, to realize the flexible choice of speed.
The OBSAI logic diagram of each Base Band Unit is all the same, unique different be that the wireless standard of each framing module and base band data is closely related, this is because the data of each wireless standard and signaling etc. are different, therefore if it is adapted to 1 times of speed of the OBSAI of standard, the algorithm of so corresponding Bitmap will be different.Certainly the 1 times of speed that is adapted to the OBSAI of standard for the data of various criterion can realize by prior art, and the present invention does not do at this and gives unnecessary details.
Wherein, demultiplexing module 224 be used for to receive the OBSAI code stream of the N speed that Base Band Unit 210 or radio frequency unit 230 send, and is sent to routing module 221 after the OBSAI code stream of this N speed being resolved into the OBSAI code stream of N 1 times of speed;
Preferably, this summation module 223 can also be according to the requirement of OBSAI agreement, the payload of the message that in the base band data code stream that receives and signaling data code stream, frame head (address, type, timestamp) is identical is carried out the addition summation process, and the base band data code stream after the addition summation is processed and the signaling data code stream is mixed is at least one road OBSAI code stream;
Multiplexing module 225 is used for being forwarded to corresponding light mouth or Base Band Unit after on each OBSAI code stream multiplex to a link.Wherein, each light mouth is connected to radio frequency unit corresponding to each destination address.
Concrete, demultiplexing module 233 is used for the OBSAI code stream that reception upstream or downstream send, and after this code stream being decomposed into the OBSAI code stream of multichannel 1 speed, is sent to routing module 231; Wherein, the upstream is radio frequency unit or the cross unit of upstream; The downstream is the radio frequency unit in downstream;
Group/separate frame module 232 for the OBSAI code stream of 1 speed that receives routing module 231 transmissions, is separated frame to this code stream and is processed, and extracts base band data and signaling data, carries out subsequent treatment; According to the adaptation rule of Bitmap definition in the OBSAI agreement, export to routing module 231 after in the OBSAI code stream that base band data and the signaling data of this locality fitted within 1 speed successively;
Multiplexing module 234, the OBSAI code stream for 1 speed that receives routing module 231 transmissions sends to upstream or downstream after on each OBSAI code stream multiplex to a link.
Specific works process for clearer statement radio frequency unit, the process decomposition that the process that the OBSAI code stream that receives the upstream transmission can be processed and the OBSAI code stream that receives the downstream transmission are processed is come, at this moment, described radio frequency unit preferably comprises two demultiplexing module, routing module, Multiplexing module; Framing module is conciliate frame module, and is identical in its course of work and Fig. 5 as shown in Figure 6, do not do at this and gives unnecessary details.
The present invention has only used beneath three layers (transport layer, link layer and physical layers) of OBSAI agreement when specific implementation, and do not use application layer, so the form to payload data is insensitive, the base band data of various standards can use identical cross unit 220 to carry out route, sue for peace and be forwarded on corresponding light mouth.The base band data of various standards also can be mixed on an optical fiber link and transmit in addition, and downstream units determines that by destination address each message gives this locality or continues forwarding downwards.
Concrete, the OBSAI agreement is divided into 4 layers with the base band radio frequency interface, as shown in Figure 7, is respectively from top to bottom application layer, transport layer, link layer and physical layer.Sending direction of the present invention, application layer are responsible for base band data, signaling data are inserted message; Transport layer is responsible for each message code stream intersection, summation, multiplexing, at last synthetic one road code stream; Link layer is responsible on this code stream inserting the specific code of rule, is used for the quality of labeled link; Physical layer is responsible for 8b/10b encoding and decoding, string and conversion and serial transmission etc.; Receive direction of the present invention is the inverse process of sending direction, and every one deck is passed to last layer to the data of oneself extracting, and extracts at last base band data and signaling data.
The present invention realizes the transmission of Multi-Mode Base Station signal by the OBSAI agreement, utilize the theory of the distinctive frame structure of OBSAI agreement and hierarchical design to realize, its hierarchy can effectively be isolated various wireless standards, has realized very easily supporting simultaneously multiple standards on a hardware platform, an optical fiber; By adding the cross unit module that has nothing to do with each consensus standard to realize the forwarding that intersects of downstream units, only need replacing Base Band Unit and radio frequency unit can support new wireless standard, the software of other unit, hardware and logic all need not to change, even Base Band Unit and radio frequency unit, their bottom transport module is also identical, can use existing module, therefore the research staff just can concentrate on energy in the processing of wireless standard, need not be concerned about the bottom transmission, both accelerate progress, improved again quality.
The present invention also provides reportedly transmission method of a kind of multi-standard based on the OBSAI agreement, as shown in Figure 8, comprising:
Step S801, the Base Band Unit corresponding with a plurality of wireless standards are sent to cross unit after respectively the base band data of corresponding standard and signaling data being fitted within the OBSAI code stream.
After the OBSAI code stream that step S802, cross unit send each Base Band Unit is split as base band data code stream and signaling data code stream, according to the destination address of code stream after splitting, base band data code stream and signaling data code stream intersection are sent on light mouth corresponding to destination address.
When step S803, radio frequency unit receive the OBSAI code stream by the light mouth, according to the destination address of OBSAI code stream, the OBSAI code stream is separated frame process or be forwarded to the downstream radio frequency unit.
This step also comprises: radio frequency unit sends to the downstream RF processing unit after the base band data of this locality and signaling data are fitted within the OBSAI code stream.
The present invention also provides reportedly transmission method of a kind of multi-standard based on the OBSAI agreement, as shown in Figure 9, comprising:
The destination address that step S901, radio frequency unit send the downstream is OBSAI code stream non-indigenous and/or the local OBSAI code stream that produces, and is forwarded to cross unit.
After step S902, cross unit are split as base band data code stream and signaling data code stream with the OBSAI code stream that receives, according to the destination address of the code stream after splitting, base band data code stream and signaling data code stream intersection are sent to Base Band Unit corresponding to destination address.
The OBSAI code stream that step S903, Base Band Unit send cross unit is separated frame and is processed, and obtains base band data and signaling data.
Wherein, step S901 also comprises: the destination address that radio frequency unit sends the downstream is separated frame for local OBSAI code stream and is processed, and obtains base band data and signaling data.
Obviously, those skilled in the art can carry out various changes and modification and not break away from the spirit and scope of the present invention the present invention.Like this, if within of the present invention these are revised and modification belongs to the scope of claim of the present invention and equivalent technologies thereof, the present invention also is intended to comprise these changes and modification interior.
Claims (13)
1. one kind based on the multi-standard of OBSAI agreement conveying device reportedly, it is characterized in that, comprising: cross unit, Base Band Unit and the radio frequency unit corresponding with a plurality of wireless standards;
Described Base Band Unit exports described cross unit to after being used for the base band data of corresponding standard and signaling data are fitted within the OBSAI code stream; The OBSAI code stream that described cross unit sends is separated the frame processing, obtain base band data and signaling data;
Described cross unit, be used for the OBSAI code stream of described Base Band Unit or radio frequency unit transmission is split as base band data code stream and signaling data code stream, according to the destination address of code stream after splitting, described code stream intersection is sent on destination address corresponding light mouth or Base Band Unit;
Radio frequency unit, the OBSAI code stream that is used for receiving carries out this locality according to its destination address and separates frame or forwarding; The OBSAI code stream that local framing is produced forwards according to its destination address.
2. device as claimed in claim 1, is characterized in that, described Base Band Unit comprises: N group/solution frame module, and wherein N is positive integer;
Described group/separate frame module, be used for the adaptation rule according to OBSAI agreement Bitmap definition, base band data and the signaling data of corresponding standard fitted within the OBSAI code stream; The OBSAI code stream that receives is separated frame process base band data and the signaling data that obtains correspondence.
3. device as claimed in claim 2, is characterized in that, described cross unit comprises and described Base Band Unit Cross module and summation module one to one;
Described Cross module, be used for the OBSAI code stream that receives is split as base band data code stream and signaling data code stream, and according to the destination address of described base band data code stream and signaling data code stream, described base band data code stream and signaling data code stream are intersected send to summation module corresponding to destination address place passage;
Described summation module is used for receiving base band data code stream and the signaling data code stream that described each Cross module sends, and described base band data code stream and signaling data code stream is mixed for sending after the OBSAI code stream of at least one road.
4. device as claimed in claim 3, is characterized in that, described summation module also is used for payload to the described base band data code stream that the receives message m essage identical with signaling data code stream frame head and carries out the addition summation and process.
5. device as claimed in claim 3, is characterized in that, described radio frequency unit comprises:
Routing module is used for the destination address according to the OBSAI code stream that receives, and described OBSAI code stream is sent to local group/solution frame module or forwards; The OBSAI code stream of this locality being organized/separated the frame module transmission forwards;
Group/separate frame module is used for that the OBSAI code stream that described routing module sends is separated frame and processes, and obtains base band data and signaling data; After being fitted within the OBSAI code stream, the base band data of this locality and signaling data send to described routing module.
6. device as claimed in claim 2, is characterized in that, described Base Band Unit also comprises:
The multiplex/demultiplex module sends to described cross unit after on OBSAI code stream multiplex to a link of each being organized/separates frame module; The OBSAI code stream that described cross unit is sent carries out sending to after demultiplexing is processed each group/solution frame module.
7. device as claimed in claim 6, is characterized in that, described cross unit comprises and described Base Band Unit demultiplexing module, Cross module, summation module and Multiplexing module one to one;
Described demultiplexing module is used for the OBSAI code stream of described Base Band Unit or radio frequency unit transmission is carried out the demultiplexing processing;
Described Cross module, OBSAI code stream after being used for demultiplexing is processed is split as base band data code stream and signaling data code stream, and according to the destination address of described base band data code stream and signaling code stream, described base band data code stream and signaling data code stream are intersected send to summation module corresponding to destination address place passage;
Described summation module is used for receiving base band data code stream and the signaling data code stream that described each Cross module sends, and described base band data code stream and signaling data code stream is mixed for being sent to described Multiplexing module after the OBSAI code stream of at least one road;
Described Multiplexing module sends after on each OBSAI code stream multiplex to a link that will receive.
8. device as claimed in claim 7, is characterized in that, described summation module also is used for payload to the described base band data code stream that the receives message m essage identical with signaling data code stream frame head and carries out the addition summation and process.
9. device as claimed in claim 7, is characterized in that, described radio frequency unit comprises:
Demultiplexing module is used for that the OBSAI code stream that receives is carried out demultiplexing and processes;
Routing module, the destination address of the OBSAI code stream after being used for processing according to demultiplexing sends to local group/separate frame module or local Multiplexing module with described OBSAI code stream, and the OBSAI code stream that frame module sends is organized/separated in this locality is forwarded to local Multiplexing module;
Multiplexing module sends after on each OBSAI code stream multiplex to a link that will receive;
Group/separate frame module is used for that the OBSAI code stream that described routing module sends is separated frame and processes, and obtains base band data and signaling data; After being fitted within the OBSAI code stream, the base band data of this locality and signaling data send to described routing module.
10. one kind based on the multi-standard of OBSAI agreement transmission method reportedly, it is characterized in that, comprising:
Step 1, the Base Band Unit corresponding with a plurality of wireless standards are sent to cross unit after respectively the base band data of corresponding standard and signaling data being fitted within the OBSAI code stream;
After the OBSAI code stream that step 2, cross unit send each Base Band Unit is split as base band data code stream and signaling data code stream, according to the destination address of the code stream after splitting, described base band data code stream and signaling data code stream intersection are sent on light mouth corresponding to destination address;
When step 3, radio frequency unit receive the OBSAI code stream by the light mouth, according to the destination address of described OBSAI code stream, described OBSAI code stream is separated frame process or be forwarded to the downstream radio frequency unit.
11. method as claimed in claim 10 is characterized in that, described step 3 also comprises:
Described radio frequency unit sends to the downstream RF processing unit after the base band data of this locality and signaling data are fitted within the OBSAI code stream.
12. one kind based on the multi-standard of OBSAI agreement transmission method reportedly, it is characterized in that, comprising:
The destination address that step 1, radio frequency unit send the downstream is OBSAI code stream non-indigenous and/or the local OBSAI code stream that produces, and is forwarded to cross unit;
After step 2, cross unit are split as base band data code stream and signaling data code stream with the OBSAI code stream that receives, according to the destination address of the code stream after splitting, described base band data code stream and signaling data code stream intersection are sent to Base Band Unit corresponding to destination address;
The OBSAI code stream that step 3, Base Band Unit send described cross unit is separated frame and is processed, and obtains base band data and signaling data.
13. method as claimed in claim 12 is characterized in that, described step 1 also comprises:
The destination address that radio frequency unit sends the downstream is separated frame for local OBSAI code stream and is processed, and obtains base band data and signaling data.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910211114 CN102056032B (en) | 2009-11-05 | 2009-11-05 | Device and method for multi-standard data transmission based on OBSAI protocol |
| PCT/CN2010/073912 WO2010145528A1 (en) | 2009-11-05 | 2010-06-12 | Device and method for multi-standard data transmission based on open base station architecture initiative protocol |
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| CN 200910211114 CN102056032B (en) | 2009-11-05 | 2009-11-05 | Device and method for multi-standard data transmission based on OBSAI protocol |
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| CN102056032B true CN102056032B (en) | 2013-06-05 |
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| WO (1) | WO2010145528A1 (en) |
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| CN102427401A (en) * | 2011-08-29 | 2012-04-25 | 中兴通讯股份有限公司 | IMB and FDD mixing apparatus, system thereof and emission method thereof |
| CN107528669B (en) * | 2016-06-22 | 2021-11-12 | 中兴通讯股份有限公司 | Data transmission method and microwave transmission device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1391404A (en) * | 2001-06-12 | 2003-01-15 | 夏普公司 | Image monitoring device, method and processing program |
| CN101202576A (en) * | 2006-11-21 | 2008-06-18 | 三星电子株式会社 | Duplex supporting apparatus and method of base station system using multi-antenna |
| CN101431507A (en) * | 2007-11-05 | 2009-05-13 | 中兴通讯股份有限公司 | Signaling transmission method for OBSAI RP3 interface |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US5768268A (en) * | 1995-07-19 | 1998-06-16 | Watkins Johnson Company | Wideband base station architecture for digital cellular communications system |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1391404A (en) * | 2001-06-12 | 2003-01-15 | 夏普公司 | Image monitoring device, method and processing program |
| CN101202576A (en) * | 2006-11-21 | 2008-06-18 | 三星电子株式会社 | Duplex supporting apparatus and method of base station system using multi-antenna |
| CN101431507A (en) * | 2007-11-05 | 2009-05-13 | 中兴通讯股份有限公司 | Signaling transmission method for OBSAI RP3 interface |
Non-Patent Citations (2)
| Title |
|---|
| LANZANI, Christian F..OBSAI RP3-01 6.144 Gbps Interface Implementation.《FPGAworld.com》.2007,1-7. |
| OBSAI RP3-01 6.144 Gbps Interface Implementation;LANZANI, Christian F.;《FPGAworld.com》;20071231;1-7 * |
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| CN102056032A (en) | 2011-05-11 |
| WO2010145528A1 (en) | 2010-12-23 |
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