CN102013918B - Method, system and device for transmitting data - Google Patents

Method, system and device for transmitting data Download PDF

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Publication number
CN102013918B
CN102013918B CN200910243979.4A CN200910243979A CN102013918B CN 102013918 B CN102013918 B CN 102013918B CN 200910243979 A CN200910243979 A CN 200910243979A CN 102013918 B CN102013918 B CN 102013918B
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interface standard
rru
indication information
bbu
interface
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CN102013918A (en
Inventor
邓舒勇
高军
邹素玲
吴永海
张连栋
朱莉森
刘建玲
李扬冰
孟英
高华
张倩
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China Academy of Telecommunications Technology CATT
Datang Mobile Communications Equipment Co Ltd
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China Academy of Telecommunications Technology CATT
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Priority to CN200910243979.4A priority Critical patent/CN102013918B/en
Priority to PCT/CN2010/080356 priority patent/WO2011079771A1/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/02—Selection of wireless resources by user or terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals

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  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The embodiment of the invention relates to a wireless communication technique, in particular to a method, a system and a device for transmitting data, which are used for solving the problem that when a multimode RRU (Remote Radio Unit) accesses a master station side, the interface standard of the master station side is difficult to know so that the data can not be transmitted according to a data format corresponding to the interface standard of the master station side, thereby the difficulty of data transmission is increased, and the success rate of the data transmission is reduced in the prior art. The method in the embodiment of the invention comprises the following steps of: determining the interface standard adopted by an interface connected with the RRU by using a BBU (Battery Backup Unit); sending interface standard indication information to the RRU connected with the BBU by using the BBU according to the determined interface standard to indicate the RRU connected with the BBU to determine the interface standard according to the interface standard indication information, and transmitting the data by adopting the data format of the determined interface standard. The embodiment of the invention can improve the success rate of accessing the RRU to a master station.

Description

A kind of mthods, systems and devices that transmit data
Technical field
The present invention relates to wireless communication technology, particularly a kind of mthods, systems and devices that transmit data.
Background technology
Along with TD-SCDMA (Time Division Synchronized Code Division Multiple Access, TD SDMA) system and TD-LTE (Time Division Long Term Evolution, time-division Long Term Evolution) common development of system, RRU (Remote Radio Unit, far-end radio-frequency apparatus) supports TD-SCDMA system and TD-LTE system to become a kind of trend simultaneously.Yet Ir interface adopts TDL-Ir interface standard in TD-SCDMA system, in TD-LTE system, Ir interface adopts TDS-Ir interface standard.
TDS-Ir standard is 5ms frame structure, and its 5ms frame data transmission is referring to Figure 1A; TDL-Ir standard is 10ms frame structure, and its 10ms frame data transmission is referring to Figure 1B.
At present TD-SCDMA system and TD-LTE system are all that Ir frame data structure by separately carries out IQ (service message) and CM (control and manage, control and management) data (being OM (operation and manage, operation and management) information) transmission.
From Figure 1A, can find out: TDS-Ir frame structure, adopt 5ms configuration, every 5ms has OM information, upgoing O M information is in SGN (Super Group Number, super group sequence number) 0～29 (being the descending time slot TS (time slot) 0 of TD-SCDMA), descending OM information is (being ascending time slot UpPTS (uplink pilot time slot)+TS1 of TD-SCDMA) in SGN33～64;
From Figure 1B, can find out: TDL-Ir frame structure, for 10ms, configure, and only have first 5ms to have OM information, and upgoing O M information is (being the descending sub frame 0 of TD-LTE) in SGN0～39, descending OM information is (being the sub-frame of uplink 2 of TD-LTE) in SGN80～119.
Hence one can see that, both OM information positions are incomplete same, this just causes multimode RRU access main website rear flank to be difficult to know the interface standard of main website side, causing cannot be according to data format transmission data corresponding to the interface standard of the interface standard of main website side (sending or receive data), thereby cannot receive the OM information of main website, cause RRU cannot access main website.
Summary of the invention
The embodiment of the present invention provides a kind of mthods, systems and devices that transmit data, in order to solve in prior art, exist when the multimode RRU access main website side, be difficult to know the interface standard of main website side, causing cannot be according to data format transmission data corresponding to the interface standard of main website side, thereby cannot receive the OM information of main website, cause RRU cannot access the problem of main website.
A kind of method of transmitting data that the embodiment of the present invention provides, the method comprises:
Base band device BBU determines the interface standard of the interface employing being connected with far-end radio-frequency apparatus RRU;
Described BBU is according to definite interface standard, to the RRU transmission interface standard indication information being connected with self, be used to indicate the RRU being connected with self and determine interface standard according to described interface standard indication information, and adopt the data format transmission data of definite interface standard;
Described BBU transmission interface standard indication information comprises: described BBU, according to the corresponding relation of predefined interface standard indication information and interface standard, determines the interface standard indication information corresponding to interface standard of the interface employing connecting with RRU; Described BBU sends definite interface standard indication information to the RRU being connected with self; After described BBU transmission interface standard indication information, also comprise: the RRU being connected with BBU is according to the corresponding relation of described interface standard indication information and interface standard, determine interface standard corresponding to interface standard indication information of receiving, and the data format transmission data that adopt definite interface standard;
Described BBU transmission interface standard indication information comprises: described BBU, according to the corresponding relation of predefined super group of sequence number SGN and interface standard, determines the SGN corresponding to interface standard of the interface employing connecting with RRU; Described BBU is placed in corresponding super group of definite SGN by predefined interface standard indication information, sends to the RRU being connected with self; After described BBU transmission interface standard indication information, also comprise: the RRU connecting with BBU determines the super group of corresponding SGN that carries interface standard indication information, and according to the corresponding relation of described SGN and interface standard, determine the interface standard that this SGN is corresponding, and the data format transmission data that adopt definite interface standard.
A kind of system of transmitting data that the embodiment of the present invention provides, this system comprises:
Base band device BBU, for determining the interface standard of the interface employing being connected with far-end radio-frequency apparatus RRU, according to definite interface standard, to the RRU transmission interface standard indication information being connected with self;
The RRU being connected with BBU, for determining interface standard according to described interface standard indication information, and adopts the data format of definite interface standard to transmit data;
Described BBU specifically for: according to the corresponding relation of predefined interface standard indication information and interface standard, interface standard indication information corresponding to interface standard of determining the interface employing connecting with RRU, sends definite interface standard indication information to the RRU being connected with self; The RRU being connected with BBU specifically for: according to the corresponding relation of described interface standard indication information and interface standard, determine interface standard corresponding to interface standard indication information receive, and the data format transmission data that adopt definite interface standard;
Described BBU specifically for: according to the corresponding relation of predefined super group of sequence number SGN and interface standard, determine the SGN corresponding to interface standard of the interface employing connecting with RRU, predefined interface standard indication information is placed in to corresponding super group of definite SGN, sends to the RRU being connected with self; The RRU connecting with BBU specifically for: determine the super group of corresponding SGN that carries interface standard indication information, and according to the corresponding relation of described SGN and interface standard, determine the interface standard that this SGN is corresponding, and the data format transmission data that adopt definite interface standard.
A kind of base band device BBU that the embodiment of the present invention provides, this BBU comprises:
Standard determining module, for determining the interface standard of the interface employing being connected with far-end radio-frequency apparatus RRU;
Sending module, be used for according to definite interface standard, to the RRU transmission interface standard indication information being connected with self, be used to indicate the RRU being connected with self and determine interface standard according to described interface standard indication information, and adopt the data format transmission data of definite interface standard;
Described sending module specifically for: according to the corresponding relation of predefined interface standard indication information and interface standard, interface standard indication information corresponding to interface standard of determining the interface employing connecting with RRU, sends definite interface standard indication information to the RRU being connected with self;
Described sending module specifically for: according to the corresponding relation of predefined super group of sequence number SGN and interface standard, determine the SGN corresponding to interface standard of the interface employing connecting with RRU, predefined interface standard indication information is placed in to corresponding super group of definite SGN, sends to the RRU being connected with self.。
A kind of far-end radio-frequency apparatus RRU that the embodiment of the present invention provides, this RRU comprises:
Processing module, for determining interface standard according to the interface standard indication information of receiving;
Transport module, for adopting the data format transmission data of definite interface standard;
Described processing module specifically for: according to the corresponding relation of predefined interface standard indication information and interface standard, determine interface standard corresponding to interface standard indication information receive;
Described processing module specifically for: determine super group of super group of corresponding sequence number SGN carrying interface standard indication information, and according to the corresponding relation of described SGN and interface standard, determine the interface standard that this SGN is corresponding.
Embodiment of the present invention BBU is to the RRU transmission interface standard indication information being connected with self; The RRU being connected with self determines interface standard according to interface standard indication information, and adopts the data format transmission data of definite interface standard.
Because multimode RRU can support TDL-Ir interface standard and TDS-Ir interface standard simultaneously, and when accessing, can know which kind of interface standard is main website side adopt, in multimode RRU access main website rear flank, according to data format transmission data corresponding to the interface standard of main website side, thereby can receive the OM information of main website, improve the success rate of RRU access main website;
Further realized compatibility and the self adaptation of multimode RRUDui TD-SCDMA main website and TD-LTE main website, make new system can structure better with the network integration of operation in early stage.
Accompanying drawing explanation
Figure 1A is TDS-Ir frame structure schematic diagram in background technology;
Figure 1B is TDL-Ir frame structure schematic diagram in background technology;
Fig. 2 is the system configuration schematic diagram of embodiment of the present invention transmission data;
Fig. 3 is the structural representation of embodiment of the present invention BBU;
Fig. 4 is the structural representation of embodiment of the present invention RRU;
Fig. 5 is the method flow schematic diagram of embodiment of the present invention transmission data;
Fig. 6 is the method flow schematic diagram of embodiment of the present invention RRU access BBU.
Embodiment
Embodiment of the present invention BBU is to the RRU transmission interface standard indication information being connected with self; The RRU being connected with self determines interface standard according to interface standard indication information, and adopts the data format transmission data of definite interface standard.Because multimode RRU can support TDL-Ir interface standard and TDS-Ir interface standard simultaneously, and when accessing, can know which kind of interface standard is main website side adopt, thereby in multimode RRU access main website rear flank, according to data format transmission data corresponding to the interface standard of main website side, thereby can receive the OM information of main website, improve the success rate of RRU access main website.
Below in conjunction with Figure of description, the embodiment of the present invention is described in further detail.
As shown in Figure 2, the system of embodiment of the present invention transmission data comprises: BBU10 and the RRU20 being connected with BBU10.
BBU10, for determining the interface standard of the interface employing being connected with RRU20, according to definite interface standard, to the RRU20 transmission interface standard indication information being connected with self.
The RRU20 being connected with BBU, for determining interface standard according to the interface standard indication information from BBU10 of receiving, and adopts the data format of definite interface standard to transmit data.
Wherein, BBU10 is according to definite interface standard, has a variety ofly to the mode of the RRU20 transmission interface standard indication information being connected with self, enumerates several below.
Mode one, BBU10 are according to the corresponding relation of predefined interface standard indication information and interface standard, interface standard indication information corresponding to interface standard of determining the interface employing connecting with RRU20, sends definite interface standard indication information to the RRU20 being connected with self.
Accordingly, the RRU20 being connected with BBU10, according to the corresponding relation of interface standard indication information and interface standard, determines interface standard corresponding to interface standard indication information of receiving, and the data format transmission data that adopt definite interface standard.
In specific implementation process, the corresponding relation of interface standard indication information and interface standard can be set as required, such as interface standard indication information corresponding to TDL-Ir interface standard is that interface standard indication information corresponding to 1, TDS-Ir interface standard is 0.Suppose that interface standard is TDL-Ir interface standard, BBU10 sends 1; After receiving 1, RRU20 just knows that interface standard is TDL-Ir interface standard.
Certainly, embodiment of the present invention standard indication information is not limited to 1 and 0, and other form is the applicable embodiment of the present invention too.
The corresponding relation of interface standard indication information and interface standard can also be changed as required, but will guarantee that BBU10 and RRU20 are used identical standard indication information and the corresponding relation of interface standard.
Mode two, BBU10 are according to the corresponding relation of predefined SGN and interface standard, determine the SGN corresponding to interface standard of the interface employing connecting with RRU, predefined interface standard indication information is placed in to corresponding super group of definite SGN, sends to the RRU20 being connected with self.
Accordingly, the RRU20 connecting with BBU10 determines the super group of corresponding SGN that carries interface standard indication information, and according to the corresponding relation of predefined SGN and interface standard, determine the interface standard that this SGN is corresponding, and the data format transmission data that adopt definite interface standard.
In specific implementation process, the corresponding relation of SGN and interface standard can be set as required, such as SGN corresponding to TDL-Ir interface standard is that SGN corresponding to 1, TDS-Ir interface standard is 0, interface standard indication information can be an invalid numerical value, such as FFFF.Suppose that interface standard is TDL-Ir interface standard, BBU10 sends to RRU20 by FFFF as in super group of 1 correspondence; RRU20 checks after receiving super group that contains FFFF that SGN corresponding to this super group is 1, just knows that interface standard is TDL-Ir interface standard.
Due at Ir agreement implementation, 5ms frame is divided into 200 super group, and each super group length is 25us.TD-SCDMA system adopts in the descending OM information of SGN33～64 transmission, and TD-LTE system adopts a descending OM information of transmission in SGN80～119.RRU side, at the SGN of synchronous post analysis Ir, is given processor in corresponding super group extraction OM information and is processed.So a kind of preferably mode is: in the corresponding relation of SGN and interface standard, SGN corresponding to TDS-Ir interface standard is 33, SGN corresponding to TDL-Ir interface standard is 80, and smaller to current realization change like this, two kinds of standards only need to detect at two fixed times.
Concrete, the BBU10 in TD-SCDMA system is in the SGN33 of Ir agreement, and byte sequence number 17 starts to fill ASCII (16 system) character of TD-SCDMA system, Hex form 544453; TD-LTE system BBU10 is in the SGN80 of Ir agreement, and byte sequence number 17 starts to fill the ascii character of TD-LTE system, Hex format 4 C5445.In RRU side, RRU detects whether comprise the type that above-mentioned spcial character judges Ir agreement in the super group of SGN33 and the super group of SGN80 the inside after Ir is synchronous.
Certainly, embodiment of the present invention SGN is not limited to above-mentioned example, and in 0～199 (take 200 super group be example), any number is all suitable for the embodiment of the present invention.
The corresponding relation of SGN and interface standard can also be changed as required, but will guarantee that BBU10 and RRU20 are used identical SGN and the corresponding relation of interface standard.
Concrete employing mode one or mode two can be stipulated by agreement; Also can be determined by high level; Can also carry out agreement by BBU and RRU determines.
Wherein, the corresponding relation of the corresponding relation of interface standard indication information and interface standard and SGN and interface standard can be stipulated by agreement, and be arranged in BBU and RRU; Also can notify BBU and RRU by high level; Can also carry out agreement by BBU and RRU determines.
In specific implementation process, the interface standard that the interface being connected with each RRU due to BBU10 adopts is fixed, thus can cycle transmission interface standard indication information, RRU20 complete synchronous after, before initiating access request, according to the interface standard indication information of receiving, determine interface standard.
If RRU20 also with another one RRU30 cascade, RRU20 is transmitted to the RRU30 with self cascade by the interface standard indication information of receiving, be used to indicate with the RRU30 of self cascade and determine corresponding interface standard according to interface standard indication information, and according to data format transmission data corresponding to interface standard;
Accordingly, RRU30 determines corresponding interface standard according to interface standard indication information, and according to data format transmission data corresponding to interface standard.
RRU30 determines that according to interface standard indication information the mode of corresponding interface standard determines that according to interface standard indication information the mode of corresponding interface standard is identical with RRU20, does not repeat them here.
Further, if the RRU of next stage also with RRU30 cascade, RRU30 also needs interface standard indication information to be transmitted to the RRU of next stage, the like.
Due to BBU and RRU, and the interface standard between RRU is all identical, and after forwarding interface standard indication information, the definite interface standard of each RRU is also identical, guarantees that like this interface standard that interface standard that each RRU is definite and the interface of self adopt matches.After access completes, (RRU being connected with BBU is linked into BBU to RRU, the RRU of cascade is linked into RRU), while receiving data, adopt definite interface standard reading out data, while sending data, adopt definite interface standard construction data, thereby reduced transmission data difficulty and transmission data success rate.
As shown in Figure 3, embodiment of the present invention BBU comprises: standard determining module 100 and sending module 110.
Standard determining module 100, for determining the interface standard of the interface employing being connected with RRU.
Sending module 110, for the interface standard definite according to standard determining module 100, to the RRU transmission interface standard indication information being connected with self, be used to indicate the RRU being connected with self and determine interface standard according to interface standard indication information, and adopt the data format transmission data of definite interface standard.
Wherein, sending module 110 can be according to the corresponding relation of predefined interface standard indication information and interface standard, interface standard indication information corresponding to interface standard of determining the interface employing connecting with RRU, sends definite interface standard indication information to the RRU being connected with self.
Sending module 110 can also be according to the corresponding relation of predefined SGN and interface standard, determine the SGN corresponding to interface standard of the interface employing connecting with RRU, predefined interface standard indication information is placed in to corresponding super group of definite SGN, sends to the RRU being connected with self.
As shown in Figure 4, embodiment of the present invention RRU comprises: processing module 200 and transport module 210.
Processing module 200, for determining interface standard according to the interface standard indication information of receiving;
Transport module 210, for adopting the data format transmission data of the definite interface standard of processing module 200.
Wherein, processing module 200 can, according to the corresponding relation of predefined interface standard indication information and interface standard, be determined interface standard corresponding to interface standard indication information of receiving.
Processing module 200 can also be determined the super group of corresponding SGN that carries interface standard indication information, and according to the corresponding relation of SGN and interface standard, determines the interface standard that this SGN is corresponding.
Further, processing module 200, after synchronously completing, before initiating access request, is determined interface standard according to interface standard indication information.
If RRU and another RRU cascade, the RRU of the embodiment of the present invention can further include: forwarding module 220.
Forwarding module 220, the interface standard indication information that is used for that processing module 200 is received is transmitted to the RRU with self cascade, be used to indicate with the RRU of self cascade and determine corresponding interface standard according to interface standard indication information, and according to data format transmission data corresponding to interface standard.
As shown in Figure 5, the method for embodiment of the present invention transmission data comprises the following steps:
Step 501, BBU determine the interface standard of the interface employing being connected with far-end radio-frequency apparatus RRU.
Step 502, BBU are according to definite interface standard, to the RRU transmission interface standard indication information being connected with self, be used to indicate the RRU being connected with self and determine interface standard according to interface standard indication information, and adopt the data format transmission data of definite interface standard.
Wherein, after step 502, can further include:
Step 503, the RRU being connected with self determine interface standard according to interface standard indication information, and adopt the data format transmission data of definite interface standard.
In step 502, BBU is according to definite interface standard, has a variety ofly to the mode of the RRU transmission interface standard indication information being connected with self, enumerates several below.
In mode one, step 502, BBU is according to the corresponding relation of predefined interface standard indication information and interface standard, interface standard indication information corresponding to interface standard of determining the interface employing connecting with RRU, sends definite interface standard indication information to the RRU being connected with self.
Accordingly, in step 503, the RRU being connected with BBU, according to the corresponding relation of interface standard indication information and interface standard, determines interface standard corresponding to interface standard indication information of receiving, and the data format transmission data that adopt definite interface standard.
In specific implementation process, the corresponding relation of interface standard indication information and interface standard can be set as required, such as interface standard indication information corresponding to TDL-Ir interface standard is that interface standard indication information corresponding to 1, TDS-Ir interface standard is 0.Suppose that interface standard is TDL-Ir interface standard,, in step 502, BBU sends 1; In step 503, after receiving 1, RRU just knows that interface standard is TDL-Ir interface standard.
Certainly, embodiment of the present invention standard indication information is not limited to 1 and 0, and other form is the applicable embodiment of the present invention too.
The corresponding relation of interface standard indication information and interface standard can also be changed as required, but will guarantee that BBU and RRU are used identical standard indication information and the corresponding relation of interface standard.
In mode two, step 502, BBU is according to the corresponding relation of predefined SGN and interface standard, determine the SGN corresponding to interface standard of the interface employing connecting with RRU, predefined interface standard indication information is placed in to corresponding super group of definite SGN, send to the RRU being connected with self.
Accordingly, in step 503, the RRU connecting with BBU determines the super group of corresponding SGN that carries interface standard indication information, and according to the corresponding relation of predefined SGN and interface standard, determine the interface standard that this SGN is corresponding, and the data format transmission data that adopt definite interface standard.
In specific implementation process, the corresponding relation of SGN and interface standard can be set as required, such as SGN corresponding to TDL-Ir interface standard is that SGN corresponding to 1, TDS-Ir interface standard is 0, interface standard indication information can be an invalid numerical value, such as FFFF.Suppose that interface standard is TDL-Ir interface standard, in step 502, BBU sends to RRU by FFFF as in super group of 1 correspondence; In step 503, RRU checks after receiving super group that contains FFFF that SGN corresponding to this super group is 1, just knows that interface standard is TDL-Ir interface standard.
Due at Ir agreement implementation, 5ms frame is divided into 200 super group, and each super group length is 25us.TD-SCDMA system adopts in the descending OM information of SGN33～64 transmission, and TD-LTE system adopts a descending OM information of transmission in SGN80～119.RRU side, at the SGN of synchronous post analysis Ir, is given processor in corresponding super group extraction OM information and is processed.So a kind of preferably mode is: in the corresponding relation of SGN and interface standard, SGN corresponding to TDS-Ir interface standard is that SGN corresponding to 33, TDL-Ir interface standard is 80.
Concrete, the BBU in TD-SCDMA system is in the SGN33 of Ir agreement, and byte sequence number 17 starts to fill the ascii character of TD-SCDMA system, Hex form 544453; TD-LTE system BBU10 is in the SGN80 of Ir agreement, and byte sequence number 17 starts to fill the ascii character of TD-LTE system, Hex format 4 C5445.In RRU side, RRU detects whether comprise the type that above-mentioned spcial character judges Ir agreement in the super group of SGN33 and the super group of SGN80 the inside after Ir is synchronous.
Certainly, embodiment of the present invention SGN is not limited to above-mentioned example, and in 0～199 (take 200 super group be example), any number is all suitable for the embodiment of the present invention.
The corresponding relation of SGN and interface standard can also be changed as required, but will guarantee that BBU and RRU are used identical SGN and the corresponding relation of interface standard.
Concrete employing mode one or mode two can be stipulated by agreement; Also can be determined by high level; Can also carry out agreement by BBU and RRU determines.
Wherein, the corresponding relation of the corresponding relation of interface standard indication information and interface standard and SGN and interface standard can be stipulated by agreement, and be arranged in BBU and RRU; Also can notify BBU and RRU by high level; Can also carry out agreement by BBU and RRU determines.
In specific implementation process, the interface standard that the interface being connected with each RRU due to BBU adopts is fixed, so in step 502, BBU can cycle transmission interface standard indication information; In step 503, RRU complete synchronous after, before initiating access request, according to the interface standard indication information of receiving, determine interface standard (specifically can referring to Fig. 6).
If RRU also with another one RRU cascade, in step 503, RRU is after receiving interface standard indication information, the interface standard indication information of receiving can also be transmitted to the RRU with self cascade, be used to indicate with the RRU of self cascade and determine corresponding interface standard according to interface standard indication information, and according to data format transmission data corresponding to interface standard;
Accordingly, the RRU of cascade determines corresponding interface standard according to interface standard indication information, and according to data format transmission data corresponding to interface standard.
Wherein, each RRU determines that according to interface standard indication information the mode of corresponding interface standard is identical, does not repeat them here.
Further, if the RRU of next stage also with RRU cascade, RRU also needs interface standard indication information to be transmitted to the RRU of next stage, the like.
Due to BBU and RRU, and the interface standard between RRU is all identical, and after forwarding interface standard indication information, the definite interface standard of each RRU is also identical, guarantees that like this interface standard that interface standard that each RRU is definite and the interface of self adopt matches.After access completes, (RRU being connected with BBU is linked into BBU to RRU, the RRU of cascade is linked into RRU), while receiving data, adopt definite interface standard reading out data, while sending data, adopt definite interface standard construction data, thereby reduced transmission data difficulty and transmission data success rate.
As shown in Figure 6, the method for embodiment of the present invention RRU access BBU comprises the following steps:
Step 601, RRU carry out synchronous regime monitoring, by optical fiber link, are undertaken synchronously.
Step 602, RRU complete synchronous after, according to the interface standard indication information from BBU of receiving, determine interface standard (specifically determine mode can referring to embodiment above).
Step 603, RRU send access request to BBU.
Step 604, BBU resolve access request message, and distribute RRU access passage, and send configuration messages to RRU.
Step 605, RRU receive configuration information, complete access.
Step 606, BBU initiate Time delay measurement according to configuration information.
Step 607, RRU start to measure.
Step 608, RRU reporting measurement value.
Step 609, BBU measure the measured value reporting, and RRU are configured.
Step 610, RRU complete delay value configuration.
Step 611, RRU complete startup, enter normal operating conditions.
Follow-up RRU adopts the data format transmission data of definite interface standard.
Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt complete hardware implementation example, implement software example or in conjunction with the form of the embodiment of software and hardware aspect completely.And the present invention can adopt the form that wherein includes the upper computer program of implementing of computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) of computer usable program code one or more.
The present invention is with reference to describing according to flow chart and/or the block diagram of the method for the embodiment of the present invention, equipment (system) and computer program.Should understand can be in computer program instructions realization flow figure and/or block diagram each flow process and/or the flow process in square frame and flow chart and/or block diagram and/or the combination of square frame.Can provide these computer program instructions to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, the instruction of carrying out by the processor of computer or other programmable data processing device is produced for realizing the device in the function of flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame appointments.
These computer program instructions also can be stored in energy vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work, the instruction that makes to be stored in this computer-readable memory produces the manufacture that comprises command device, and this command device is realized the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, make to carry out sequence of operations step to produce computer implemented processing on computer or other programmable devices, thereby the instruction of carrying out is provided for realizing the step of the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame on computer or other programmable devices.
Although described the preferred embodiments of the present invention, once those skilled in the art obtain the basic creative concept of cicada, can make other change and modification to these embodiment.So claims are intended to all changes and the modification that are interpreted as comprising preferred embodiment and fall into the scope of the invention.
From above-described embodiment, can find out: embodiment of the present invention BBU determines the interface standard of the interface employing being connected with RRU; BBU is according to definite interface standard, and the RRU transmission interface standard indication information to being connected with self, is used to indicate the RRU being connected with self and determines interface standard according to interface standard indication information, and adopts the data format transmission data of definite interface standard.
Because multimode RRU can support TDL-Ir interface standard and TDS-Ir interface standard simultaneously, and when accessing, can know which kind of interface standard is main website side adopt, thereby in multimode RRU access main website rear flank, according to data format transmission data corresponding to the interface standard of main website side, thereby can receive the OM information of main website, improve the success rate of RRU access main website;
Further realized compatibility and the self adaptation of multimode RRUDui TD-SCDMA main website and TD-LTE main website, make new system can structure better with the network integration of operation in early stage.
Obviously, those skilled in the art can carry out various changes and modification and not depart 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 the claims in the present invention and equivalent technologies thereof, the present invention is also intended to comprise these changes and modification interior.

Claims (11)

1. a method of transmitting data, is characterized in that, the method comprises:
Base band device BBU determines the interface standard of the interface employing being connected with far-end radio-frequency apparatus RRU;
Described BBU is according to definite interface standard, to the RRU transmission interface standard indication information being connected with self, be used to indicate the RRU being connected with self and determine interface standard according to described interface standard indication information, and adopt the data format transmission data of definite interface standard;
Described BBU transmission interface standard indication information comprises: described BBU, according to the corresponding relation of predefined interface standard indication information and interface standard, determines the interface standard indication information corresponding to interface standard of the interface employing connecting with RRU; Described BBU sends definite interface standard indication information to the RRU being connected with self; After described BBU transmission interface standard indication information, also comprise: the RRU being connected with BBU is according to the corresponding relation of described interface standard indication information and interface standard, determine interface standard corresponding to interface standard indication information of receiving, and the data format transmission data that adopt definite interface standard;
Described BBU transmission interface standard indication information comprises: described BBU, according to the corresponding relation of predefined super group of sequence number SGN and interface standard, determines the SGN corresponding to interface standard of the interface employing connecting with RRU; Described BBU is placed in corresponding super group of definite SGN by predefined interface standard indication information, sends to the RRU being connected with self; After described BBU transmission interface standard indication information, also comprise: the RRU connecting with BBU determines the super group of corresponding SGN that carries interface standard indication information, and according to the corresponding relation of described SGN and interface standard, determine the interface standard that this SGN is corresponding, and the data format transmission data that adopt definite interface standard.
2. the method for claim 1, is characterized in that, described interface standard is TD SDMA Ir agreement TDS-Ir agreement, and corresponding SGN is 33;
Described interface standard is time-division Long Term Evolution Ir agreement TDL-Ir agreement, and corresponding SGN is 80.
3. method as claimed in claim 1 or 2, is characterized in that, after described BBU transmission interface standard indication information, also comprises:
The RRU connecting with BBU, after having synchronizeed, before initiating access request, determines interface standard according to described interface standard indication information.
4. method as claimed in claim 1 or 2, is characterized in that, the described RRU being connected with BBU and another RRU cascade;
After described BBU transmission interface standard indication information, also comprise:
The described RRU being connected with BBU is transmitted to the RRU with self cascade by the interface standard indication information of receiving, be used to indicate with the RRU of self cascade and determine corresponding interface standard according to described interface standard indication information, and according to data format transmission data corresponding to interface standard.
5. a system of transmitting data, is characterized in that, this system comprises:
Base band device BBU, for determining the interface standard of the interface employing being connected with far-end radio-frequency apparatus RRU, according to definite interface standard, to the RRU transmission interface standard indication information being connected with self;
The RRU being connected with BBU, for determining interface standard according to described interface standard indication information, and adopts the data format of definite interface standard to transmit data;
Described BBU specifically for: according to the corresponding relation of predefined interface standard indication information and interface standard, interface standard indication information corresponding to interface standard of determining the interface employing connecting with RRU, sends definite interface standard indication information to the RRU being connected with self; The RRU being connected with BBU specifically for: according to the corresponding relation of described interface standard indication information and interface standard, determine interface standard corresponding to interface standard indication information receive, and the data format transmission data that adopt definite interface standard;
Described BBU specifically for: according to the corresponding relation of predefined super group of sequence number SGN and interface standard, determine the SGN corresponding to interface standard of the interface employing connecting with RRU, predefined interface standard indication information is placed in to corresponding super group of definite SGN, sends to the RRU being connected with self; The RRU connecting with BBU specifically for: determine the super group of corresponding SGN that carries interface standard indication information, and according to the corresponding relation of described SGN and interface standard, determine the interface standard that this SGN is corresponding, and the data format transmission data that adopt definite interface standard.
6. system as claimed in claim 5, is characterized in that, the RRU being connected with BBU specifically for:
After synchronously completing, before initiating access request, according to described interface standard indication information, determine interface standard.
7. system as claimed in claim 5, is characterized in that, the RRU being connected with BBU also for:
The interface standard indication information of receiving is transmitted to the RRU with self cascade, is used to indicate with the RRU of self cascade and determines corresponding interface standard according to described interface standard indication information, and according to data format transmission data corresponding to interface standard.
8. a base band device BBU, is characterized in that, this BBU comprises:
Standard determining module, for determining the interface standard of the interface employing being connected with far-end radio-frequency apparatus RRU;
Sending module, be used for according to definite interface standard, to the RRU transmission interface standard indication information being connected with self, be used to indicate the RRU being connected with self and determine interface standard according to described interface standard indication information, and adopt the data format transmission data of definite interface standard;
Described sending module specifically for: according to the corresponding relation of predefined interface standard indication information and interface standard, interface standard indication information corresponding to interface standard of determining the interface employing connecting with RRU, sends definite interface standard indication information to the RRU being connected with self;
Described sending module specifically for: according to the corresponding relation of predefined super group of sequence number SGN and interface standard, determine the SGN corresponding to interface standard of the interface employing connecting with RRU, predefined interface standard indication information is placed in to corresponding super group of definite SGN, sends to the RRU being connected with self.
9. a far-end radio-frequency apparatus RRU, is characterized in that, this RRU comprises:
Processing module, for determining interface standard according to the interface standard indication information of receiving;
Transport module, for adopting the data format transmission data of definite interface standard;
Described processing module specifically for: according to the corresponding relation of predefined interface standard indication information and interface standard, determine interface standard corresponding to interface standard indication information receive;
Described processing module specifically for: determine super group of super group of corresponding sequence number SGN carrying interface standard indication information, and according to the corresponding relation of described SGN and interface standard, determine the interface standard that this SGN is corresponding.
10. RRU as claimed in claim 9, is characterized in that, described processing module specifically for:
After synchronously completing, before initiating access request, according to described interface standard indication information, determine interface standard.
11. RRU as claimed in claim 9, is characterized in that, described RRU also comprises:
Forwarding module, for the interface standard indication information of receiving being transmitted to the RRU with self cascade, be used to indicate with the RRU of self cascade and determine corresponding interface standard according to described interface standard indication information, and according to data format transmission data corresponding to interface standard.
CN200910243979.4A 2009-12-28 2009-12-28 Method, system and device for transmitting data Active CN102013918B (en)

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