CN101425838A - Data channel configuration method and device - Google Patents

Data channel configuration method and device Download PDF

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Publication number
CN101425838A
CN101425838A CNA200710176559XA CN200710176559A CN101425838A CN 101425838 A CN101425838 A CN 101425838A CN A200710176559X A CNA200710176559X A CN A200710176559XA CN 200710176559 A CN200710176559 A CN 200710176559A CN 101425838 A CN101425838 A CN 101425838A
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China
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data
information
channel
bbu
antenna
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CNA200710176559XA
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CN101425838B (en
Inventor
徐黎
罗斌
刘晓琳
陶磊
王洪波
王婷
范炬
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China Academy of Telecommunications Technology CATT
Datang Mobile Communications Equipment Co Ltd
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Datang Mobile Communications Equipment Co Ltd
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Priority to CN 200710176559 priority Critical patent/CN101425838B/en
Priority to PCT/CN2008/001822 priority patent/WO2009067859A1/en
Publication of CN101425838A publication Critical patent/CN101425838A/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
    • H04W28/18—Negotiating wireless communication parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • 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
    • H04W88/08—Access point devices

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Optical Communication System (AREA)

Abstract

The invention discloses a data channel configuration method and a device thereof which are used for I/Q data synchronization between RRU and BBU in a base station of a base belt remote type. The method comprises the following steps: the number of data channels required to be occupied by a small area is confirmed according to a carrier wave on a base band unit BBU and a physical antenna on a remote radio unit, which are previously designated; the BIU optical port of a BBU interface unit connected with the designated RRU is configured with the instruction information of which the same-phase orthogonal data unit CA on each data channel is processed by the designated BBU; the designated BBU is configured with a carrier wave index of which the CA data on each data channel is processed by the designated BBU and the logic antenna numbering information respectively used by the CA data on each data channel; and the designated RRU is configured with the physical antenna numbering and middle-frequency channel numbering information respectively occupied by the CA data on each data channel.

Description

A kind of data channel configuration method and device
Technical field
The present invention relates to communication technical field, particularly a kind of data channel synchronization configuring technical.
Background technology
In mobile communication system, the base station is a part important in the mobile communications network, is connected between user terminal and the base station controller, is used for the transmitting/receiving wireless signal, makes the user terminal access of radio network, finish simultaneously and base station controller between information interaction.
Along with the development of 3G (Third Generation) Moblie technology, the method for designing of base station trends towards base band separates with radio frequency, and baseband extension type base station is exactly the base station that base band is separated with radio frequency.Consult shown in Figure 1, in baseband extension type base station system, BBU (Bandwidth Based Unit, baseband processing unit) baseband pool is made up of some BBU, BBU baseband pool and BIU (BBU Interface Unit, the BBU interface unit) carries out exchanges data by the backboard connection, 6 light mouths are arranged on the BIU, each light mouth all connects 6 road RRU (Radio Remote Unit by optical fiber, Remote Radio Unit), a plurality of RRU that can connect on each road optical fiber realize that serial type connects, each RRU has 1 or 6 physical antennas, and 6 intermediate-frequency channels are arranged on the every physical antenna.
In baseband extension type base station system, the I/Q of up-downgoing (In-phase/Quadrate, inphase quadrature) data interweave respectively in the chip inside of TD-SCDMA ascending-descending subframes, and BBU is responsible for handling the I/Q data, BIU is responsible for converging and distributes the I/Q data, and RRU is responsible for receiving and dispatching the I/Q data.
BBU is that granularity is carried out with 1CA when carrying out the I/Q data processing, and CA is the I/Q data cell that order is deposited in the chip of TD-SCDMA subframe, i.e. same-phase orthogonal data unit.The I/Q data width of 1CA is 16bit, and the I/Q data of 1CA are called the CA data, and then the CA data are corresponding with the intermediate-frequency channel of a carrier data on a physical antenna, and the station location marker of each CA data in chip is called the CA position.The CA number that can transmit in each chip is decided according to the fiber capacity of BIU glazing mouth, and the conversion relation of the CA number of fiber capacity and support is as follows:
CA num＝(((R/16)*(8/10))/1.28M)/2-1...........................(1)
Wherein, R represents fiber capacity, the CA number that expression optical fiber is supported.According to formula (1) as can be known, for 1.25G optical fiber, a chip can be supported the transmission of 23 effective CA data at most; For 2.5G optical fiber, a chip can be supported the transmission of 47 effective CA data at most.
At up direction, for a carrier wave, RRU receives data from an intermediate-frequency channel of physical antenna, in a TD-SCDMA sub-frame of uplink, RRU solves the CA data in each chip in this subframe, and through converging of BIU, these CA data are sent to one or more BBU and handle; At down direction, in a TD-SCDMA descending sub frame, subframe after BBU will handle, comprise that some chip I/Q data send to BIU, distribution through BIU, these I/Q data are sent to one or more RRU, and this RRU solves the CA data in this chip, and the intermediate-frequency channel of these CA data from physical antenna sent.
But prior art can't realize the I/Q data sync between the RRU and BBU in the baseband extension type base station, the I/Q data also can't realize synchronously when the I/Q data between RRU and BBU need be carried out the antenna data merging, be that the BBU that prior art can't make RRU that the data of the designated carrier on the different physical antenna intermediate-frequency channels are delivered to appointment handles, certain carrier data that can't make BBU go up handle is correctly delivered on the physical antenna intermediate-frequency channel of RRU of appointment launches.
Summary of the invention
The embodiment of the invention proposes a kind of data channel configuration method and device, in order to the I/Q data sync between RRU and the BBU in the realization baseband extension type base station.
The embodiment of the invention proposes a kind of data channel configuration method, comprising:
According to being the carrier wave on the baseband processing unit BBU of sub-district appointment, the physical antenna on the radio frequency remote unit RRU in advance, determine the data channel number that the sub-district need take;
With BBU interface unit BIU light mouth that described appointment RRU is connected on same-phase orthogonal data unit CA data on each data channel of configuration by the indication information of described appointment BBU processing;
The described appointment of configuration BBU handles the carrier index of CA data on described each data channel and the logical antenna number information that the CA data on described each data channel are used respectively on described appointment BBU;
Physical antenna numbering and intermediate-frequency channel number information that CA data on described each data channel of configuration on the described appointment RRU take respectively.
The embodiment of the invention proposes a kind of data channel inking device, comprising:
Data channel number determination module is used for determining the data channel number that the sub-district need take according to being the carrier wave on the baseband processing unit BBU of sub-district appointment, the physical antenna on the radio frequency remote unit RRU in advance;
The first passage information collocation module, be used for BBU interface unit BIU light mouth that described appointment RRU is connected on CA data on each data channel of configuration by the indication information of described appointment BBU processing;
The second channel information collocation module is used for the carrier index of CA data on described each data channel of the described appointment of configuration BBU processing on the described appointment BBU and the logical antenna number information that the CA data on described each data channel are used respectively;
The third channel information collocation module is used for physical antenna numbering and intermediate-frequency channel number information that the CA data on described each data channel of configuration on the described appointment RRU take respectively.
The embodiment of the invention also proposes a kind of Operation ﹠ Maintenance System, comprising:
Data channel number determination module is used for determining the data channel number that the sub-district need take according to being the carrier wave on the baseband processing unit BBU of sub-district appointment, the physical antenna on the radio frequency remote unit RRU in advance;
The first passage information collocation module, be used for BBU interface unit BIU light mouth that described appointment RRU is connected on CA data on each data channel of configuration by the indication information of described appointment BBU processing;
The second channel information collocation module is used for the carrier index of CA data on described each data channel of the described appointment of configuration BBU processing on the described appointment BBU and the logical antenna number information that the CA data on described each data channel are used respectively;
The third channel information collocation module is used for physical antenna numbering and intermediate-frequency channel number information that the CA data on described each data channel of configuration on the described appointment RRU take respectively.
The embodiment of the invention also proposes a kind of BBU interface unit, comprising:
The first passage information receiving module is used to be received in the indication information that the CA data on each data channel that disposes on the light mouth of described BBU interface unit are handled by appointment BBU;
The first passage information storage module is used to store the described information that described first passage information receiving module receives.
The embodiment of the invention also proposes a kind of baseband processing unit, comprising:
The second channel information receiving module is used to be received in the described baseband processing unit that disposes on the described baseband processing unit and handles the carrier index of CA data on each data channel and the logical antenna number information that the CA data on described each data channel are used respectively;
The second channel information storage module is used to store the described information that described second channel information receiving module receives.
The embodiment of the invention also proposes a kind of Remote Radio Unit, comprising:
The third channel information receiving module is used to be received in physical antenna numbering and intermediate-frequency channel number information that the CA data on each data channel that disposes on the described Remote Radio Unit take respectively;
The third channel information storage module is used to store the described information that described third channel information receiving module receives.
The embodiment of the invention also proposes a kind of ascending data synchronization method, comprising:
RRU receives the CA data according to physical antenna numbering and intermediate-frequency channel number information that the CA data on each pre-configured data channel take respectively on the corresponding intermediate-frequency channel of corresponding physical antenna, described CA data are sent to BIU;
Described BIU receives described CA data, according in advance with light mouth that described RRU is connected on CA data on each data channel of disposing by the indication information of specifying BBU to handle, described CA data are sent to specify BBU;
Described appointment BBU handles the carrier index of CA data on described each data channel and the logical antenna number information that the CA data on described each data channel are used respectively according to pre-configured described appointment BBU, receives and handle described CA data.
The embodiment of the invention also proposes a kind of Remote Radio Unit, comprising:
The 3rd configuration information memory module is used to store the physical antenna numbering and the intermediate-frequency channel number information that take respectively for the CA data on each data channel of its configuration in advance;
First receiver module, be used for described information inquiry CA data corresponding physical antenna number and intermediate-frequency channel numbering in described the 3rd configuration information memory module storage, on described CA data corresponding physical antenna and intermediate-frequency channel, receive described CA data, described CA data are sent to BBU interface unit BIU.
The embodiment of the invention also proposes a kind of BBU interface unit, comprising:
The first configuration information memory module is used to store CA data on each data channel that disposes on the light mouth in advance by the indication information of specifying baseband processing unit BBU to handle;
First forwarding module is used for the appointment BBU of the CA data of sending at the described information inquiry RRU of described first configuration information memory module storage, and gives described appointment BBU with described CA data forwarding.
The embodiment of the invention also proposes a kind of baseband processing unit, comprising:
The second configuration information memory module is used to store in advance and handles the carrier index of CA data on each data channel and the logical antenna number information that the CA data on described each data channel are used respectively for the described baseband processing unit of its configuration;
First processing module, the carrier index and the logical antenna numbering that are used for the CA data correspondence of sending at the described information inquiry BBU of described second configuration information memory module storage, and receive and handle described CA data by the carrier wave and the logical antenna of described CA data correspondence.
The embodiment of the invention also proposes a kind of downlink data method for synchronous, comprising:
BBU handles the carrier index of CA data on each data channel and the logical antenna number information that the CA data on described each data channel are used respectively according to pre-configured described BBU, and the described CA data of handling after the CA data also will be handled send to BIU;
Described BIU receives described CA data,, described CA data is sent to specify RRU by the indication information of specifying BBU to handle according to CA data on each data channel that disposes on the light mouth in advance;
Described appointment RRU receives described CA data, and according to physical antenna numbering and intermediate-frequency channel number information that the CA data on each pre-configured data channel take respectively, described CA data is sent on the corresponding intermediate-frequency channel of corresponding physical antenna.
The embodiment of the invention also proposes a kind of Remote Radio Unit, comprising:
The 3rd configuration information memory module is used to store the physical antenna numbering and the intermediate-frequency channel number information that take respectively for the CA data on each data channel of its configuration in advance;
Second receiver module, be used for numbering, described CA data are sent on the corresponding intermediate-frequency channel of corresponding physical antenna at CA data corresponding physical antenna number and intermediate-frequency channel that the described information inquiry BIU of described the 3rd configuration information memory module storage sends.
The embodiment of the invention also proposes a kind of BBU interface unit, comprising:
The first configuration information memory module is used to store CA data on each data channel that disposes on the light mouth in advance by the indication information of specifying baseband processing unit BBU to handle;
Second forwarding module is used for the appointment radio frequency remote unit RRU of the CA data of sending at the described information inquiry BBU of described first configuration information memory module storage, and gives described appointment RRU with described CA data forwarding.
The embodiment of the invention also proposes a kind of baseband processing unit, comprising:
The second configuration information memory module is used to store in advance and handles the carrier index of the CA data on each data channel and the logical antenna number information that the CA data on described each data channel are used respectively for the described baseband processing unit of its configuration;
Second processing module, be used for carrier index and logical antenna numbering in the described information inquiry CA data correspondence of described second configuration information memory module storage, and handle described CA data by the carrier wave and the logical antenna of described CA data correspondence, and the described CA data after will handling send to BBU interface unit BIU.
Data channel configuration method and device that the embodiment of the invention proposes when being the cell configuration data passage, according to being the carrier wave on the BBU of sub-district appointment, the physical antenna on the RRU in advance, are determined the data channel number that the sub-district need take; The data channel number that need take according to the sub-district, designated carrier, appointment physical antenna and specify the operating position and the antenna data combination situation of intermediate-frequency channel on the physical antenna, specify BBU, specify RRU with the BIU light mouth of specifying RRU to be connected on collocation channel information respectively, the I/Q data sync between realization RRU and the BBU.
Description of drawings
Fig. 1 is existing baseband extension type base station system structural representation;
Fig. 2 is a data channel configuration method flow chart in the embodiment of the invention;
Fig. 3 is an ascending data synchronization method flow chart in the embodiment of the invention;
Fig. 4 is a downlink data method for synchronous flow chart in the embodiment of the invention;
Fig. 5 is a light mouth register concrete structure schematic diagram in the embodiment of the invention one;
Fig. 6 is the processing format schematic diagram of the BBU of 3C6A type to the I/Q data;
Fig. 7 is a BBU register architecture schematic diagram in the embodiment of the invention one;
Fig. 8 goes up the processing format schematic diagram of FPGA TRXI/Q processor to the I/Q data for RRU;
Fig. 9 is the first register architecture schematic diagram in the embodiment of the invention one;
Figure 10 is a data channel configuration method flow chart in the embodiment of the invention one;
Figure 11 is a data channel configuration method flow chart in the embodiment of the invention two;
Figure 12 is the structural representation of light mouth register, BBU register and first register in the embodiment of the invention two;
Figure 13 is the structural representation of second register in the embodiment of the invention three;
Figure 14 is a data channel configuration method flow chart in the embodiment of the invention three;
Figure 15 is the structural representation of data channel inking device in the embodiment of the invention;
Figure 16 is a BBU interface unit structural representation in the embodiment of the invention;
Figure 17 is a baseband processing unit structural representation in the embodiment of the invention;
Figure 18 is a Remote Radio Unit structural representation in the embodiment of the invention;
Figure 19 is a Remote Radio Unit structural representation in the embodiment of the invention;
Figure 20 is a BBU interface unit structural representation in the embodiment of the invention;
Figure 21 is a baseband processing unit structural representation in the embodiment of the invention;
Figure 22 is a Remote Radio Unit structural representation in the embodiment of the invention;
Figure 23 is a BBU interface unit structural representation in the embodiment of the invention;
Figure 24 is a baseband processing unit structural representation in the embodiment of the invention.
Embodiment
The embodiment of the invention proposes a kind of data channel configuration method for the I/Q data sync between RRU and the BBU in the realization baseband extension type base station, and the core concept of this method is that the CA position in BBU, BIU, the last chip of RRU is disposed synchronously.This method is granularity with 1CA, when being the cell configuration data passage, according to being the carrier wave on the BBU of sub-district appointment, the physical antenna on the RRU in advance, determines the data channel number that the sub-district need take; The data channel number that need take according to the sub-district, designated carrier, appointment physical antenna and specify the operating position and the antenna data combination situation of intermediate-frequency channel on the physical antenna, specify BBU, specify RRU with the BIU light mouth of specifying RRU to be connected on collocation channel information respectively, the I/Q data sync between realization RRU and the BBU.Wherein, by Operation ﹠ Maintenance System collocation channel information respectively on BBU, RRU and the BIU light mouth that is connected with RRU.
Consult shown in Figure 2ly, the data channel configuration method that the embodiment of the invention provides may further comprise the steps:
S201, according to being the carrier wave on the BBU of sub-district appointment, the physical antenna on the RRU in advance, determine the data channel number that the sub-district need take.
Usually in plot planning, specified the sub-district to take which physical antenna of which RRU and the frequency points that need take, Operation ﹠ Maintenance System is according to plot planning, and designated cell specifically takies which carrier wave of which BBU in the BBU baseband pool.
According to the number of the designated carrier of sub-district with specify the number of physical antenna, can determine the data channel number that the sub-district need take, it determines that method is:
N＝C num*A num.......................................(2)
Wherein, N represents the data channel number that the sub-district need take, the number of the designated carrier of expression sub-district, the number of the appointment physical antenna of expression sub-district.
S202, with the BIU light mouth of specifying RRU to be connected on CA data on each data channel of configuration by the indication information of specifying the BBU processing.
S203, specifying on the BBU configuration to specify BBU to handle the carrier index of CA data on each data channel and the logical antenna number information that the CA data on each data channel are used respectively.
Physical antenna numbering and intermediate-frequency channel number information that S204, the CA data on each data channel of configuration on the appointment RRU take respectively.
Wherein, with the BIU light mouth of specifying RRU to be connected on CA data on each data channel of configuration when specifying the indication information of BBU processing, can with the BIU light mouth of specifying RRU to be connected on configuration and each data channel first passage information one to one, each first passage information indicates its corresponding CA position to have effective CA data of effective CA data, this correspondence CA position to be handled by appointment BBU, and the corresponding CA position of first passage information is the CA position of CA data on the corresponding data passage; And
Configuration specifies BBU to handle the carrier index of CA data on each data channel on appointment BBU, and the CA data on each data channel use respectively the logical antenna number information time, configuration and each first passage information second channel information one to one can specified on the BBU, second channel information comprises that there is the indication information of the CA data that need this BBU processing its corresponding CA position, this BBU handles the carrier index of these CA data, the logical antenna numbering that these CA data are used, wherein, the corresponding CA position of second channel information is the corresponding CA position of corresponding first passage information;
When physical antenna numbering that the CA data on specifying RRU on each data channel of configuration take respectively and intermediate-frequency channel number information, configuration and each first passage information third channel information one to one can specified on the RRU, each third channel information comprises the CA data that its corresponding CA position has needs this RRU to handle, the physical antenna numbering that these CA data are used, the intermediate-frequency channel numbering that these CA data are used this root physical antenna, wherein, the corresponding CA position of third channel information is the corresponding CA position of corresponding first passage information;
When the CA data on the data passage being carried out the antenna data merging, except will the CA data on each data channel of configuration take respectively on specifying RRU physical antenna numbering and intermediate-frequency channel number information, also in the antenna data pooling information of specifying the CA data correspondence on each data channel of configuration on the RRU, the antenna data pooling information comprises whether the CA data need the indication information with the bit number that the same carrier wave data merge, these CA data need be shifted when antenna data merged of previous antenna.
Wherein, be the light mouth of BBU, BIU, RRU configuration information when (comprising first passage information, second channel information and third channel information), mode that can configuration register is carried out, and perhaps carries out in the mode that disposes other memories.
For the light mouth of BBU, BIU, when RRU disposes above-mentioned information, the information that needs in the time of also can being light mouth, the RRU configuration data channel arrangement of BBU, BIU according to actual needs neatly.
The embodiment of the invention also proposes a kind of ascending data synchronization method, consults shown in Figure 3ly, and the concrete course of work of this method is as described below:
S301, RRU receive the CA data according to physical antenna numbering and intermediate-frequency channel number information that the CA data on each pre-configured data channel take respectively on the corresponding intermediate-frequency channel of corresponding physical antenna, the CA data are sent to BIU;
S302, BIU receive the CA data, by the indication information of specifying BBU to handle the CA data are sent to appointment BBU according to CA data on each data channel that disposes on the light mouth that is connected with RRU in advance;
S303, appointment BBU handle the carrier index of CA data on each data channel and the logical antenna number information that the CA data on each data channel are used respectively according to pre-configured appointment BBU, receive and also handle the CA data.
In step S301, RRU is after receiving the CA data, also according to the antenna data pooling information of the CA data correspondence on each pre-configured data channel these CA data are carried out union operation, the antenna data pooling information comprises whether the CA data need the indication information of the bit number that the same carrier wave data merge, the CA data need be shifted when antenna data merged with previous antenna.
The embodiment of the invention also proposes a kind of downlink data method for synchronous, consults shown in Figure 4ly, and the concrete course of work of this method is as described below:
S401, BBU handle the carrier index of CA data on each data channel and the logical antenna number information that the CA data on each data channel are used respectively according to pre-configured BBU, and the CA data of handling after the CA data also will be handled send to BIU;
S402, BIU receive the CA data,, the CA data are sent to specify RRU by the indication information of specifying BBU to handle according to CA data on each data channel that disposes on the light mouth in advance;
S403, appointment RRU receive the CA data, and according to physical antenna numbering and intermediate-frequency channel number information that the CA data on each pre-configured data channel take respectively, the CA data are sent on the corresponding intermediate-frequency channel of corresponding physical antenna.
With specific embodiment the data channel configuration method that the embodiment of the invention provides is elaborated below:
Embodiment one
When the embodiment of the invention one is a cell configuration data passage at the data channel configuration method that utilizes the embodiment of the invention to provide, in advance specify BBU, RRU with the BIU light mouth of specifying RRU to be connected on register is set respectively, Operation ﹠ Maintenance System comes the BIU light mouth collocation channel information that is connected with appointment RRU for BBU, RRU by the sign on the configuration register, and its concrete work comprises following part:
One, in advance appointment BBU, the RRU of sub-district with the BIU light mouth of specifying RRU to be connected on register is set respectively.
In the plot planning, specified the sub-district to take which physical antenna of which RRU and the frequency points that need take, Operation ﹠ Maintenance System specifies this sub-district specifically to take which carrier wave of which BBU in the BBU baseband pool according to plot planning.
With the BIU light mouth of specifying RRU to be connected on light mouth register is set, one group of BBU register is set specifying on the BBU, on appointment RRU, one group of first register is set.
Wherein, the big I of light mouth register is fixed according to actual needs, and the light mouth register of 64BIT generally can be set.Can each BIT position of light mouth register be numbered, CA position in corresponding each chip of each BIT position order, each BIT position is provided with two signs that can dispose, and whether be used to refer to CA position on this BIT position respectively has BBU (being called " affiliated sign ") under effective CA data on effective CA data (being called " enabling sign "), this BIT position.The identification information of the configuration on every BIT position is in the embodiment of the invention and is specifying the first passage information that disposes on the BBU.For example: each BIT position of the light mouth register of 64BIT is numbered in regular turn, and numbering is respectively " 0 ", " 1 " ... " 63 "; When 23 CA positions were arranged in each chip, the BIT0-BIT22 of light mouth register is corresponding 23 the CA positions of order just in time; Have on each BIT position and enable to identify EN and affiliated sign BBU: the CA position on the BIT position has effective CA data and this CA data to belong to BBU0, the EN that this BIT position then can be set is " 1 " (expression enabled state), it is " BBU0 " that BBU is set, and abbreviates as BBU0 is enabled; CA position on the BIT position does not have effective CA data, and the EN that this BIT position then can be set need not be provided with BBU for " 0 " (expression disable state), abbreviates as not enable.The concrete structure of light mouth register can be consulted Fig. 5.
Specifying on the BBU, the number of the BBU register that comprises in one group of BBU register can be decided according to actual needs, generally can be provided with to comprise 64 BBU registers in one group of BBU register.Can each the BBU register in one group of BBU register be numbered, there is one-to-one relationship BIT position in each BBU register and the light mouth register, each BBU register is provided with three signs that can dispose, and whether the CA position that is used to refer to this BBU register serial number correspondence respectively has CA data (being called " enabling sign "), this BBU of needing this BBU to handle to handle the carrier index (being called " carrier identification ") of these CA data, the logical antenna numbering (can be described as " logical antenna sign ") that these CA data are used.The identification information that disposes in each BBU register is in the embodiment of the invention and is specifying the second channel information that disposes on the BBU.For example: 64 BBU registers are numbered in regular turn, and numbering is respectively " 0 ", " 1 " ... " 63 "; On each BBU register, enable to identify EN, carrier identification C, logical antenna sign A '.When there are the CA data that need this BBU processing the CA position of BBU register correspondence, EN can be set be " 1 " (expression enabled state), otherwise can being set, EN is " 0 " (expression disable state).For example: the BBU that consults 3C6A type shown in Figure 6 goes up FPGA (FieldProgrammable Gate Array, field programmable gate array) to the processing format of I/Q data, as can be known, this BBU supports three carrier waves (its carrier index is respectively C0, C1, C2), and the logical antenna that each carrier wave uses comprises A0 ', A1 ', A2 ', A3 ', A4 ', A5 '; It is that the logical antenna numbering that C0, these CA data are used is A4 ' that there are the CA data that need this BBU to handle, the carrier index that this BBU handles these CA data in the CA position of supposing the 17th BBU register correspondence, and the EN that the 17th BIT position then can be set is that C0, A ' are A4 ' for " 1 ", C.The concrete structure of BBU register is consulted Fig. 7.
Specifying on the RRU, the data of first register that comprises in one group of first register can be decided according to actual needs, generally can be provided with to comprise 64 first registers in one group of BBU register.Can each first register in one group of first register be numbered in regular turn, BIT position on each first register and the light mouth register has one-to-one relationship, each first register is provided with three signs that can dispose, and whether the CA position that is used to refer to this first register serial number correspondence respectively has the CA data (being called " enabling sign ") that need this RRU to handle, the physical antenna numbering (being called " physical antenna sign ") that these CA data are used, these CA data are used the intermediate-frequency channel numbering (can be described as " intermediate-frequency channel sign ") of this root antenna.The identification information that disposes on each first register is in the embodiment of the invention and is specifying the third channel information that disposes on the RRU.For example: 64 first registers are numbered in regular turn, and numbering is respectively " 0 ", " 1 " ... " 63 "; On each first register, enable to identify EN, physical antenna sign A, intermediate-frequency channel sign C '.When there are the CA data that need this RRU processing the CA position of the first register correspondence, EN can be set be " 1 " (expression enabled state), otherwise can being set, EN is " 0 " (expression disable state).For example: consult RRU shown in Figure 8 and go up the processing format of FPGA TRXI/Q processor to the I/Q data, as can be known, have on this RRU on 1 or 6 physical antennas (being expressed as A0) or (being expressed as A0, A1, A2, A3, A4, A5), every physical antenna 6 intermediate-frequency channels (being expressed as C0 ', C1 ', C2 ', C3 ', C4 ', C5 ') are arranged; The CA position of supposing the 17th the first register correspondence of this RRU have the CA data that need this RRU to handle, physical antenna numbering that these CA data are used be A3, these CA data to use the intermediate-frequency channel numbering of antenna A3 be C4 ', the EN that the 17th first register then can be set is that A3, C ' are C4 ' for " 1 ", A.The concrete structure of first register is consulted Fig. 9.
Two, be the cell configuration data passage
Consult shown in Figure 10, specify BBU, specify RRU with the BIU light mouth of specifying RRU to be connected on disposed register respectively after, the method for utilizing the embodiment of the invention to provide further may further comprise the steps for the cell configuration data passage:
S101, determine the data channel number N that the sub-district need take.
Determine the data channel number N that the sub-district need take according to formula (2).
S102, in light mouth register, determine N vacant BIT position, dispose the sign of this N BIT position, indicate the CA position of each BIT position correspondence that the CA data that need to specify the BBU processing are arranged;
Wherein, this N BIT position can continuously also can be discontinuous, and corresponding CA position does not need the CA data of specifying BBU to handle on corresponding N the BIT position of other light mouth registers.
The sign of the BBU register that S103, configuration are corresponding with the BIT position indicates the CA position of this BBU register correspondence that the CA data that need this BBU to handle, the carrier index that this BBU handles these CA data, the logical antenna numbering that these CA data are used are arranged;
The sign of first register that S104, configuration are corresponding with the BIT position indicates the CA position of this first register correspondence that the CA data that need this appointment RRU to handle, the physical antenna numbering that these CA data are used, the intermediate-frequency channel numbering that these CA data are used this root physical antenna are arranged.
So far, finished the data channel synchronization configuration of sub-district.The back is finished in configuration, Operation ﹠ Maintenance System also need be confirmed the data channel synchronization of light mouth register, BBU register, first register is disposed.Afterwards, specify BBU, BIU, appointment RRU just can learn exactly and in each chip, how to receive and dispatch processing I/Q data.
The data channel configuration method that the embodiment of the invention one utilizes the embodiment of the invention to provide is the cell configuration data passage, the BBU that makes RRU the data of the designated carrier on the different physical antenna intermediate-frequency channels can be delivered to appointment handles, certain carrier data that BBU go up to be handled can correctly be delivered on the physical antenna intermediate-frequency channel of RRU of appointment launches, realize the I/Q data sync between BBU and the RRU, realized BBU and the RRU data sync under one-to-many, multi-to-multi situation.And, on RRU, BBU, BIU light mouth, can come flexible configuration information according to the actual needs of data channel configuration, configurable information is comprehensive, is beneficial to the expansion of function, uses flexibly.
Embodiment two
Consult shown in Figure 11ly, the data channel configuration method that the embodiment of the invention two utilizes the embodiment of the invention to provide is as described below for the concrete workflow of 3C6A cell configuration data passage:
In S111, the plot planning, specified a 3C6A sub-district to take the antenna A0-A5 of RRU0, the frequency points that needs is 3, and Operation ﹠ Maintenance System specifies this sub-district specifically to take the carrier wave C0-C2 of BBU0 in the baseband pool according to plot planning.
S112, determine the data channel number N that to use the sub-district.
According to formula (2) as can be known, data channel number N=18 that need use, sub-district.
S113, in be connected the light mouth register of light mouth with RRU0, determine that 18 unappropriated BIT positions are BIT position, this sub-district, the sign that each BIT position is set enables BBU0 to show this BIT position.
S114, in the BBU of BBU0 register, determine with light mouth register in BIT position 18 BBU registers one to one.
S115, dispose each the BBU register in these 18 BBU registers.
The EN that disposes each BBU register is " 1 ", and the C of 6 BBU registers of configuration is C0, and the A ' that disposes these 6 BBU registers is respectively A0 ', A1 ', A2 ', A3 ', A4 ', A5 '; The C that disposes other 6 BBU registers is C1, and the A ' that disposes these 6 BBU registers is respectively A0 ', A1 ', A2 ', A3 ', A4 ', A5 '; The C of remaining 6 the BBU registers of configuration is C2, and the A ' that disposes these 6 BBU registers is respectively A0 ', A1 ', A2 ', A3 ', A4 ', A5 '.
S116, in first register of RRU0, determine with light mouth register in BIT position 18 first registers one to one.
S117, dispose each first register in these 18 first registers.
The EN that disposes each first register is " 1 ", the A that disposes each first register is for specifying the physics antenna number, operating position according to intermediate-frequency channel on the corresponding physical antenna is each first register configuration C ', generally selects intermediate-frequency channel idle on the corresponding physical antenna.
So far, finished the data channel synchronization configuration of sub-district, after configuration was finished, Operation ﹠ Maintenance System also need be confirmed the data channel synchronization configuration to light mouth register, BBU register, first register, and the light mouth register, BBU register and first register that configure are referring to Figure 12.Afterwards, BBU0, BIU, RRU0 can learn exactly just how to receive and dispatch and handle the I/Q data that in conjunction with shown in Figure 12, the process that the I/Q data are handled in BBU0, BIU, RRU0 transmitting-receiving is in each chip:
1, up direction
For a carrier wave, RRU0 obtains the CA data from the appointment intermediate-frequency channel of antenna, one first register of the corresponding RRU0 in this CA position;
BIU determines that according to the information on the light mouth register that is connected the light mouth with RRU0 these CA data are the CA data that need BBU0 to handle, and this BIU sends to BBU0 with these CA data;
BBU0 handles according to these CA data of the message pick-up on its BBU register and to it.
2, down direction
BBU0 is according to the information on its BBU register, and the CA data after the CA data are handled and will be handled are integrated to BIU, the BBU register of the corresponding BBU0 in this CA position;
BIU receives this CA data, according to the information on each light mouth register, these CA data is sent to the light mouth of appointment;
RRU0 solves this CA data, and according to the information in corresponding first register, these CA data is sent on the intermediate-frequency channel of given antenna.
The data channel configuration method that the embodiment of the invention two utilizes the embodiment of the invention to provide is the cell configuration data data channel, the BBU0 that makes RRU0 the data of the designated carrier on the different physical antenna intermediate-frequency channels can be delivered to appointment handles, certain carrier data that BBU0 go up to be handled can correctly be delivered on the physical antenna intermediate-frequency channel of RRU of appointment launches, realize the I/Q data sync between BBU0 and the RRU0, and, at RRU0, BBU0, can come flexible configuration information according to the actual needs of data channel configuration on the BIU light mouth, configurable information is comprehensive, be beneficial to the expansion of function, use flexibly.
Embodiment three
The embodiment of the invention three is stressed the I/Q data of sub-district under the antenna data combination situation, and the method for utilizing the embodiment of the invention to provide is carried out the process of data channel synchronization configuration.
The notion that antenna data merges at first is described.
Antenna data merges, and is meant in a sub-district, and the data of same carrier wave on the different antennae are merged.Adopt the antenna data folding, can in BBU disposal ability scope, make the coverage of sub-district satisfy the covering demand.For example: the sub-district of a 3C, in order to solve the covering requirement, need to use 10 with antenna, thereby need 30 data passages, but for 1.25G optical fiber, according to formula (1) as can be known, each chip can only carry the I/Q data of maximum 23BIT, can't satisfy above-mentioned covering demand, if but number of users is smaller, in BBU disposal ability scope, just can adopt the antenna data folding that user data is merged and handle.
The mode that antenna data merges comprises: is completely integrated, respective channel merges, the RRU internal channel merges and the merging of freely dividing into groups, wherein:
Be completely integrated, be meant the data on all antennas in the home cell are merged by carrier wave.For example for the sub-district of a 3C6A, it is then real in 3C1A to be completely integrated, and takies 3 data passages.
Respective channel merges, and is meant the data on the same antenna numbering on the different RRUs in the home cell are merged by carrier wave.
The RRU internal channel merges, and is meant the data on all antennas in the same RRU in the home cell are merged according to carrier wave.
Freely divide into groups to merge, be meant the mode by antenna number is divided into groups, in a home cell, the data that are labeled as an antenna sets on the identical or different RRU merge according to carrier wave; The merging mode of freely dividing into groups has been broken in the antenna data merging process for the restriction of RRU, light mouth, can divide into groups arbitrarily to merge in the antenna pond.
When the data channel configuration method that utilizes the embodiment of the invention to propose carries out the cell configuration data passage of antenna data merging for needs, except specifying BBU, specify RRU with the BIU light mouth of specifying RRU to be connected on dispose outside the channel information identical with aforementioned several embodiment, also need in the antenna data pooling information of specifying the CA data correspondence on each data channel of configuration on the RRU, this antenna data pooling information comprises whether the CA data of this CA position need to merge with the same carrier wave data of previous antenna, the bit number that these CA data need be shifted when antenna data merged.
The embodiment of the invention three in advance specify BBU, RRU with the BIU light mouth of specifying RRU to be connected on register is set respectively, the channel information that need use when having the sign that can dispose to be used for respectively representing to dispose the I/Q data channel on the register separately, its concrete course of work is as described below:
One, in advance appointment BBU, the RRU of sub-district with the BIU light mouth of specifying RRU to be connected on register is set respectively.
With the BIU light mouth of specifying RRU to be connected on light mouth register is set, the BBU register is set specifying on the BBU, on appointment RRU, second register is set.
Wherein, the method to set up of light mouth register, identical with the method that light mouth register is set in the data channel configuration method in the aforesaid baseband extension type base station, no longer describe in detail here.The method to set up of BBU register, identical with the method that the BBU register is set in the data channel configuration method in the aforesaid baseband extension type base station, no longer describe in detail here.
In the method that second register is set on the RRU be: on aforementioned each first register, set up two signs that can be provided with and form second register, two that set up are designated merging sign and translocation factor sign, whether the CA position that the merging sign is used to refer to this second register serial number correspondence needs to merge with the same carrier wave data of previous antenna, the bit number (being called translocation factor) that data need be shifted when the translocation factor sign was used to refer to the antenna data merging, the translocation factor value is generally 0-4, and its value can be fixed also can flexible configuration.The sign that why will increase translocation factor is under the antenna data combination situation, and the situation that the vector superposition of different antennae data causes data to be overflowed takes place.For example: 64 second registers are carried out numbering in proper order in regular turn, and sequence number is respectively " 0 ", " 1 " ... " 63 "; Sign EN, A, C ', " superposition sign ", " translocation factor " are arranged on each second register.The concrete structure of second register can be consulted Figure 13.
Two, be the cell configuration data passage
Consult shown in Figure 14, specify BBU, RRU with the BIU light mouth of specifying RRU to be connected on respectively register is set after, the idiographic flow of cell configuration data passage that carries out the antenna data merging for needs is as described below:
S141, determine the data channel number N that to use the sub-district.
Concrete definite method can no longer describe in detail here referring to abovementioned steps S201.
S142, be respectively and the light mouth register of the BIU light mouth of specifying RRU to be connected, specify the BBU register of BBU and the second register configuration channel information of specifying RRU.
Wherein, for the process of light mouth register, BBU register configuration channel information is identical with abovementioned steps S102-S103, no longer describe in detail here.The process that is the second register configuration channel information is as described below:
Specify in second register of RRU at each respectively, the numbering of determining to be provided with in sequence number and the light mouth register BIT position is individual second register of N one to one;
Dispose each second register, make the CA position of CA data that each second register shows that the CA position of this second register serial number correspondence has needs this RRU to handle, physical antenna numbering that these CA data are used, intermediate-frequency channel numbering that these CA data are used this root physical antenna, this sequence number correspondence whether need same carrier wave data with previous antenna to merge and these CA data are carried out the bit number that need be shifted when antenna data merges.
So far, finished the data channel synchronization configuration of sub-district under the antenna data combination situation, after configuration is finished, Operation ﹠ Maintenance System also need be confirmed the data channel synchronization configuration to light mouth register, BBU register, second register, afterwards, specify BBU, BIU, appointment RRU just can learn exactly and how receive and dispatch processing I/Q data in each chip, realize that antenna data merges, the process that its transmitting-receiving is handled is:
1, up direction
RRU: for a carrier wave, RRU obtains the CA data from the appointment intermediate-frequency channel of antenna, corresponding one second register in this CA position judges according to " the superposition sign " of this second register whether these CA data need to merge with the same carrier wave data of previous antenna; Merge if desired, then the CA data with these CA data and previous antenna combine, and put into the data designated passage; As seen under the antenna data combination situation, RRU does not need to know that what take at present is which kind of antenna data merges mode.
BIU:BIU compares the channel information on each light mouth register, if the CA position of identical BIT position correspondence all has effective CA data and this CA data all to belong to same BBU, then explanation is not share the same light to need to carry out antenna data between the RRU on the mouth and merge, and BIU integrates the BBU that sends to correspondence with the data of identical data passage on per two light mouths; As seen by the data channel synchronization configuration of Operation ﹠ Maintenance System, it is fully transparent for BIU that antenna data merges mode.
The data that BBU:BBU sends after only integrating for BIU are handled, and for whether carrying out the antenna data merging, adopt which kind of merging mode transparent fully.
2, down direction
CA data after BBU:BBU will handle send to BIU.
BIU:BIU sends to corresponding light mouth according to the channel information on each light mouth register with these CA data.
RRU:RRU solves this CA data, and according to the channel information on corresponding second register, the antenna intermediate-frequency channel by appointment sends.
As seen on down direction, the information that merges all about antenna data all is transparent for BBU, BIU, RRU, can finish correct data according to the data channel synchronization configuration of Operation ﹠ Maintenance System and send.
The data channel configuration method that the embodiment of the invention three utilizes the embodiment of the invention to provide is to carry out the cell configuration data passage that antenna data merges, the BBU that makes RRU the data of the designated carrier on the different physical antenna intermediate-frequency channels can be delivered to appointment handles, certain carrier data that BBU go up to be handled can correctly be delivered on the physical antenna intermediate-frequency channel of RRU of appointment launches, realize the I/Q data sync between BBU and the RRU, reach the purpose that solves covering, reduces networking cost.And the actual needs according to the data channel configuration on BBU, RRU, BIU light mouth comes flexible configuration information, and configurable information is comprehensive, is beneficial to the expansion of function, uses flexibly, is applicable to all application scenarioss and antenna data merging demand at present; Function is independent, and for other subsystems except that Operation ﹠ Maintenance System, concrete application is transparent fully.
Below in conjunction with specific embodiment the data channel synchronization layoutprocedure that each antenna data merges the mode correspondence is described:
Embodiment four
Under the respective channel combination situation, the data channel configuration method that utilizes the embodiment of the invention to provide is as described below for the idiographic flow of cell configuration data passage:
The light mouth register of A1, configuration BIU.
At first determine the BIT position: whether inquiry exists the BIT position of having distributed to appointment BBU on other light mouth register, if, and the corresponding BIT position on this light mouth register is unoccupied, then selects this BIT position; Otherwise, inquire about the light mouth register of this light mouth, distributed to the BIT position of specifying BBU and merged the CA data of specifying RRU if it exists, then select this BIT position; Do not distribute to the BIT position of specifying BBU if it does not exist, then selected unappropriated BIT position;
After determining the BIT position, corresponding BIT position is set to specifying BBU to enable.
B1, configuration BBU register.
At first, the numbering of determining sequence number and above-mentioned BIT position BBU register one to one;
Secondly, the carrier wave that need take according to home cell disposes the carrier identification of each BBU register;
Then, dispose the logical antenna sign of each BBU register: inquire about the channel information on second register of all RRU, if can find on second register of specifying RRU the physical antenna numbering with specify the physics antenna number identical, the logical antenna of then getting on the BBU register of this appointments RRU correspondence BBU is numbered; Otherwise, select this appointment BBU to go up idle logical antenna.
The mode of C1, configuration second register is identical with abovementioned steps S112, no longer describes in detail here.
Embodiment five
Under RRU internal channel combination situation, the data channel configuration method that utilizes the embodiment of the invention to provide is as described below for the idiographic flow of cell configuration data passage:
The light mouth register of A2, configuration BIU.
At first definite BIT position: whether have in inquiry on all light mouth registers whether the BIT position of having distributed to appointment BBU, the carrier index on the corresponding BIT of appointment BBU register position are that designated carrier index, appointment RRU are the RRU that has distributed appointment, if then select this BIT position; Otherwise select unappropriated BIT position;
After determining the BIT position, corresponding BIT position is configured to specifying BBU to enable.
B2, configuration BBU register.
At first, the numbering of determining sequence number and above-mentioned BIT position BBU register one to one;
Secondly, the carrier wave that need take according to home cell disposes the carrier identification of each BBU register;
Then, dispose the logical antenna sign of each BBU register: distributed to the BIT position of specifying BBU if exist on all light mouth registers, then selected the logical antenna sign on the corresponding BIT of the above-mentioned appointment BBU register position; Otherwise, select this BBU to go up idle logical antenna numbering.
The mode of C2, configuration second register is identical with abovementioned steps S112, no longer describes in detail here.
Embodiment six
Under the situation of being completely integrated, the data channel configuration method that utilizes the embodiment of the invention to provide is as described below for the idiographic flow of cell configuration data passage:
The light mouth register of A3, configuration BIU.
At first determine the BIT position: whether have in inquiry on all light mouth registers whether the carrier identification on the corresponding BIT position of having distributed to the BIT position of specifying BBU, having specified the BBU register is the designated carrier index, if then select this BIT position; Otherwise select unappropriated BIT position;
After determining the BIT position, corresponding BIT position is set to specifying BBU to enable.
B3, configuration BBU register.
If having the carrier index of having distributed on BIT position of specifying BBU and the corresponding BIT position of the specifying the BBU register on all light mouth registers is the designated carrier index, the channel information that then directly disposes the BBU register is the channel information of above-mentioned local BBU register; Otherwise
The numbering of determining sequence number and above-mentioned BIT position is the BBU register one to one; The carrier wave that need take according to home cell disposes the carrier identification of each BBU register; The logical antenna that disposes each BBU register is designated specifies BBU to go up idle logical antenna numbering.
The mode of C3, configuration second register is identical with abovementioned steps S112, no longer describes in detail here.
Embodiment seven
Under the combination situation that freely divides into groups, the data channel configuration method that utilizes the embodiment of the invention to provide is as described below for the idiographic flow of cell configuration data passage:
The light mouth register of A4, configuration BIU.
At first determine the BIT position:, then select this BIT position if the carrier index on the existence appointment BBU register is identical with the designated carrier index and exist the packet numbering of the physical antenna of corresponding BIT position on second register of specifying RRU identical with the packet numbering of appointment physical antenna; Otherwise select unappropriated BIT position;
After determining the BIT position, corresponding BIT position is set to specifying BBU to enable.
B4, configuration BBU register.
At first, the numbering of determining sequence number and above-mentioned BIT position BBU register one to one;
Secondly, the carrier wave that need take according to home cell disposes the correspondence sign of each BIT position;
Then, dispose the logical antenna sign of each BBU register:, then select the logical antenna on the appointment BBU register of this appointment RRU correspondence to number if having the carrier identification of specifying on the BBU register and the physical antenna sign that has a corresponding BIT position on second register of specifying RRU identical and specify physical antenna identical with the designated carrier index; Otherwise, select to specify BBU to go up idle logical antenna numbering.
The mode of C4, configuration second register is identical with abovementioned steps S112, no longer describes in detail here.
In the embodiment of the invention seven, under the combination situation that freely divides into groups,, make that the data channel configuration is more flexible by the physical antenna on the RRU being carried out the mode of packet numbering, broken in the antenna data merging process the restriction of RRU, BIU light mouth, can in the antenna pond, merge arbitrarily.
Consult shown in Figure 15ly, the embodiment of the invention also proposes a kind of data channel inking device, comprising:
Data channel number determination module 151 is used for determining the data channel number that the sub-district need take according to being the carrier wave on the baseband processing unit BBU of sub-district appointment, the physical antenna on the radio frequency remote unit RRU in advance;
First passage information collocation module 152, be used for BBU interface unit BIU light mouth that described appointment RRU is connected on CA data on each data channel of configuration by the indication information of described appointment BBU processing;
Second channel information collocation module 153 is used for the carrier index of CA data on described each data channel of the described appointment of configuration BBU processing on the described appointment BBU and the logical antenna number information that the CA data on described each data channel are used respectively;
Third channel information collocation module 154 is used for physical antenna numbering and intermediate-frequency channel number information that the CA data on described each data channel of configuration on the described appointment RRU take respectively.
Wherein, first passage information collocation module 152 also be used for BIU light mouth that described appointment RRU is connected on configuration and described each data channel first passage information one to one, described first passage information indicates its corresponding CA position to have effective CA data of effective CA data, described CA position to be handled by described appointment BBU, and the corresponding CA position of described first passage information is the CA position of CA data on the corresponding data passage.
Second channel information collocation module 153 also is used on described appointment BBU configuration and described first passage information second channel information one to one, described second channel information comprises that there are the indication information of the CA data that need this BBU processing, the carrier index that this BBU handles these CA data, the logical antenna numbering that these CA data are used in its corresponding CA position, and the corresponding CA position of described second channel information is the corresponding CA position of corresponding first passage information.
Third channel information collocation module 154 also is used on described appointment RRU configuration and described first passage information third channel information one to one, described third channel information comprises that there are the information of the CA data that need this RRU processing, the physical antenna numbering that these CA data are used, the intermediate-frequency channel number information that these CA data are used this root physical antenna in its corresponding CA position of indication, and the corresponding CA position of described third channel information is the corresponding CA position of corresponding first passage information.
Third channel information collocation module 154 also is used for the antenna data pooling information of the CA data correspondence on the described data channel of configuration on the described appointment RRU, and described antenna data pooling information comprises whether these CA data need the bit number that the same carrier wave data merge, these CA data need be shifted when antenna data merged with previous antenna.
The embodiment of the invention also proposes a kind of Operation ﹠ Maintenance System, and this Operation ﹠ Maintenance System inside is provided with the data channel inking device that various embodiments of the present invention propose, and the data channel configuration method that is used for proposing according to the embodiment of the invention is the cell configuration data passage.
Consult shown in Figure 16ly, the embodiment of the invention also proposes a kind of BBU interface unit, comprising:
First passage information receiving module 161 is used to be received in the indication information that the CA data on each data channel that disposes on the light mouth of described BBU interface unit are handled by appointment BBU;
First passage information storage module 162 is used to store the described information that first passage information receiving module 161 receives.
Wherein, first passage information receiving module 161 also be used to be received in dispose on the described BBU interface unit light mouth with described each data channel first passage information one to one, described first passage information indicates corresponding CA position to have effective CA data of effective CA data, described CA position to be handled by appointment BBU, and the corresponding CA position of described first passage information is the CA position of CA data on the corresponding data passage.
Consult shown in Figure 17ly, the embodiment of the invention also proposes a kind of baseband processing unit, comprising:
Second channel information receiving module 171 is used to be received in the described baseband processing unit that disposes on the described baseband processing unit and handles the carrier index of CA data on each data channel and the logical antenna number information that the CA data on described each data channel are used respectively;
Second channel information storage module 172 is used to store the described information that second channel information receiving module 171 receives.
Wherein, second channel information receiving module 171 also be used to be received in dispose on the described baseband processing unit with described first passage information second channel information one to one, described second channel information comprises that there are the indication information of the CA data of the described baseband processing unit processing of needs, the carrier index that described baseband processing unit is handled these CA data, the logical antenna numbering that these CA data are used in corresponding CA position, and the corresponding CA position of described second channel information is the corresponding CA position of corresponding first passage information.
Consult shown in Figure 180ly, the embodiment of the invention also proposes a kind of Remote Radio Unit, comprising:
Third channel information receiving module 181 is used to be received in physical antenna numbering and intermediate-frequency channel number information that the CA data on each data channel that disposes on the described Remote Radio Unit take respectively;
Third channel information storage module 182 is used to store the described information that third channel information receiving module 181 receives.
Wherein, third channel information receiving module 181 also be used to be received in dispose on the described Remote Radio Unit with described first passage information third channel information one to one, described third channel information comprises that there are the indication information of the CA data of the described Remote Radio Unit processing of needs, the physical antenna numbering that these CA data are used, the intermediate-frequency channel number information that these CA data are used this root physical antenna in corresponding CA position, and the corresponding CA position of described third channel information is the corresponding CA position of corresponding first passage information.
Third channel information receiving module 181 also is used to be received in the antenna data pooling information of the CA data correspondence on each data channel that disposes on the described Remote Radio Unit, and described antenna data pooling information comprises whether these CA data need the indication information of the bit number that the same carrier wave data merge, these CA data need be shifted when antenna data merged with previous antenna.
Consult shown in Figure 19ly, the embodiment of the invention also proposes a kind of Remote Radio Unit that is applicable to up direction, comprising:
The 3rd configuration information memory module 191 is used to store the physical antenna numbering and the intermediate-frequency channel number information that take respectively for the CA data on each data channel of its configuration in advance;
First receiver module 192, be used for described information inquiry CA data corresponding physical antenna number and intermediate-frequency channel numbering in 191 storages of the 3rd configuration information memory module, on described CA data corresponding physical antenna and intermediate-frequency channel, receive described CA data, described CA data are sent to BBU interface unit BIU.
Wherein, the 3rd configuration information memory module 191 also is used to store in advance the antenna data pooling information for the CA data correspondence on each data channel of its configuration, and described antenna data pooling information comprises whether the CA data need the indication information with the bit number that the same carrier wave data merge, these CA data need be shifted when antenna data merged of previous antenna;
First receiver module 192 also is used for according to the antenna data pooling information of the CA data correspondence on each data channel of the 3rd configuration information memory module 191 storages the CA data being carried out union operation.
Consult shown in Figure 20ly, the embodiment of the invention also proposes a kind of BBU interface unit that is applicable to up direction, comprising:
The first configuration information memory module 201 is used to store CA data on each data channel that disposes on the light mouth in advance by the indication information of specifying baseband processing unit BBU to handle;
First forwarding module 202 is used for the appointment BBU of the CA data of sending at the described information inquiry RRU of the first configuration information memory module 201 storage, and gives described appointment BBU with described CA data forwarding.
Consult shown in Figure 21ly, the embodiment of the invention also proposes a kind of baseband processing unit that is applicable to up direction, comprising:
The second configuration information memory module 211 is used to store in advance and handles the carrier index of CA data on each data channel and the logical antenna number information that the CA data on described each data channel are used respectively for the described baseband processing unit of its configuration;
First processing module 212, the carrier index and the logical antenna numbering that are used for the CA data correspondence of sending at the described information inquiry BBU of the second configuration information memory module 211 storage, and receive and handle described CA data by the carrier wave and the logical antenna of described CA data correspondence.
Consult shown in Figure 22ly, the embodiment of the invention also proposes a kind of Remote Radio Unit that is applicable to down direction, comprising:
The 3rd configuration information memory module 221 is used to store the physical antenna numbering and the intermediate-frequency channel number information that take respectively for the CA data on each data channel of its configuration in advance;
Second receiver module 222, be used for numbering, described CA data are sent on the corresponding intermediate-frequency channel of corresponding physical antenna at CA data corresponding physical antenna number and intermediate-frequency channel that the described information inquiry BIU of the 3rd configuration information memory module 221 storages sends.
Consult shown in Figure 23ly, the embodiment of the invention also proposes a kind of BBU interface unit that is applicable to down direction, comprising:
The first configuration information memory module 231 is used to store CA data on each data channel that disposes on the light mouth in advance by the indication information of specifying baseband processing unit BBU to handle;
Second forwarding module 232 is used for the appointment radio frequency remote unit RRU of the CA data of sending at the described information inquiry BBU of the first configuration information memory module 231 storage, and gives described appointment RRU with described CA data forwarding.
Consult shown in Figure 24ly, the embodiment of the invention also proposes a kind of baseband processing unit that is applicable to down direction, comprising:
The second configuration information memory module 241 is used to store in advance and handles the carrier index of the CA data on each data channel and the logical antenna number information that the CA data on described each data channel are used respectively for the described baseband processing unit of its configuration;
Second processing module 242, be used for carrier index and logical antenna numbering in the described information inquiry CA data correspondence of the second configuration information memory module, 241 storages, and handle described CA data by the carrier wave and the logical antenna of described CA data correspondence, and the described CA data after will handling send to BBU interface unit BIU.
Data channel configuration method and device that the embodiment of the invention proposes when being the cell configuration data passage, according to being the carrier wave on the BBU of sub-district appointment, the physical antenna on the RRU in advance, are determined the data channel number that the sub-district need take; The data channel number that need take according to the sub-district, designated carrier, appointment physical antenna and specify the operating position and the antenna data combination situation of intermediate-frequency channel on the physical antenna, specify BBU, specify RRU with the BIU light mouth of specifying RRU to be connected on collocation channel information respectively, the I/Q data sync between realization RRU and the BBU.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.

Claims (33)

1, a kind of data channel configuration method is characterized in that, comprising:
According to being the carrier wave on the baseband processing unit BBU of sub-district appointment, the physical antenna on the radio frequency remote unit RRU in advance, determine the data channel number that the sub-district need take;
With BBU interface unit BIU light mouth that described appointment RRU is connected on same-phase orthogonal data unit CA data on each data channel of configuration by the indication information of described appointment BBU processing;
The described appointment of configuration BBU handles the carrier index of CA data on described each data channel and the logical antenna number information that the CA data on described each data channel are used respectively on described appointment BBU;
Physical antenna numbering and intermediate-frequency channel number information that CA data on described each data channel of configuration on the described appointment RRU take respectively.
2, the method for claim 1 is characterized in that, definite method of the data channel number that described sub-district need take is:
N＝C num *A num
Wherein, N represents the data channel number that described sub-district need take, C NumThe number of representing described designated carrier, A NumThe number of representing described appointment physical antenna.
3, the method for claim 1 is characterized in that, with BIU light mouth that described appointment RRU is connected on CA data on each data channel of configuration by the indication information of described appointment BBU processing, further comprise:
With BIU light mouth that described appointment RRU is connected on configuration and described each data channel first passage information one to one, described first passage information indicates its corresponding CA position to have effective CA data of effective CA data, described CA position to be handled by described appointment BBU, and the corresponding CA position of described first passage information is the CA position of CA data on the corresponding data passage.
4, method as claimed in claim 3, it is characterized in that, the described appointment of configuration BBU handles the carrier index of CA data on described each data channel and the logical antenna number information that the CA data on described each data channel are used respectively on described appointment BBU, further comprises:
Configuration and described each first passage information second channel information one to one on described appointment BBU, described second channel information comprises that there are the indication information of the CA data that need this BBU processing, the carrier index that this BBU handles these CA data, the logical antenna numbering that these CA data are used in its corresponding CA position, and the corresponding CA position of described second channel information is the corresponding CA position of corresponding first passage information.
5, method as claimed in claim 3 is characterized in that, physical antenna numbering and intermediate-frequency channel number information that the CA data on each data channel of configuration on the described appointment RRU take respectively further comprise:
Configuration and described each first passage information third channel information one to one on described appointment RRU, described third channel information comprises that there are the indication information of the CA data that need this RRU processing, the physical antenna numbering that these CA data are used, the intermediate-frequency channel number information that these CA data are used this root physical antenna in its corresponding CA position, and the corresponding CA position of described third channel information is the corresponding CA position of corresponding first passage information.
6, as the arbitrary described method of claim 3 to 5, it is characterized in that, the also antenna data pooling information of the CA data correspondence on described each data channel of configuration on the described appointment RRU, described antenna data pooling information comprise whether the CA data need the indication information with the bit number that the same carrier wave data merge, these CA data need be shifted when antenna data merged of previous antenna.
7, a kind of data channel inking device is characterized in that, comprising:
Data channel number determination module is used for determining the data channel number that the sub-district need take according to being the carrier wave on the baseband processing unit BBU of sub-district appointment, the physical antenna on the radio frequency remote unit RRU in advance;
The first passage information collocation module, be used for BBU interface unit BIU light mouth that described appointment RRU is connected on same-phase orthogonal data unit CA data on each data channel of configuration by the indication information of described appointment BBU processing;
The second channel information collocation module is used for the carrier index of CA data on described each data channel of the described appointment of configuration BBU processing on the described appointment BBU and the logical antenna number information that the CA data on described each data channel are used respectively;
The third channel information collocation module is used for physical antenna numbering and intermediate-frequency channel number information that the CA data on described each data channel of configuration on the described appointment RRU take respectively.
8, device as claimed in claim 7, it is characterized in that, described first passage information collocation module also be used for BIU light mouth that described appointment RRU is connected on configuration and described each data channel first passage information one to one, described first passage information indicates its corresponding CA position to have effective CA data of effective CA data, described CA position to be handled by described appointment BBU, and the corresponding CA position of described first passage information is the CA position of CA data on the corresponding data passage.
9, device as claimed in claim 8, it is characterized in that, described second channel information collocation module also is used on described appointment BBU configuration and described first passage information second channel information one to one, described second channel information comprises that there are the indication information of the CA data that need this BBU processing, the carrier index that this BBU handles these CA data, the logical antenna numbering that these CA data are used in its corresponding CA position, and the corresponding CA position of described second channel information is the corresponding CA position of corresponding first passage information.
10, device as claimed in claim 8, it is characterized in that, described third channel information collocation module also is used on described appointment RRU configuration and described first passage information third channel information one to one, described third channel information comprises that there are the information of the CA data that need this RRU processing, the physical antenna numbering that these CA data are used, the intermediate-frequency channel number information that these CA data are used this root physical antenna in its corresponding CA position of indication, and the corresponding CA position of described third channel information is the corresponding CA position of corresponding first passage information.
11, as the arbitrary described device of claim 7 to 10, it is characterized in that, described third channel information collocation module also is used for the antenna data pooling information of the CA data correspondence on the described data channel of configuration on the described appointment RRU, and described antenna data pooling information comprises whether these CA data need the bit number that the same carrier wave data merge, these CA data need be shifted when antenna data merged with previous antenna.
12, a kind of Operation ﹠ Maintenance System is characterized in that, comprising:
Data channel number determination module is used for determining the data channel number that the sub-district need take according to being the carrier wave on the baseband processing unit BBU of sub-district appointment, the physical antenna on the radio frequency remote unit RRU in advance;
The first passage information collocation module, be used for BBU interface unit BIU light mouth that described appointment RRU is connected on same-phase orthogonal data unit CA data on each data channel of configuration by the indication information of described appointment BBU processing;
The second channel information collocation module is used for the carrier index of CA data on described each data channel of the described appointment of configuration BBU processing on the described appointment BBU and the logical antenna number information that the CA data on described each data channel are used respectively;
The third channel information collocation module is used for physical antenna numbering and intermediate-frequency channel number information that the CA data on described each data channel of configuration on the described appointment RRU take respectively.
13, Operation ﹠ Maintenance System as claimed in claim 12, it is characterized in that, described first passage information collocation module also be used for BIU light mouth that described appointment RRU is connected on configuration and described each data channel first passage information one to one, described first passage information indicates its corresponding CA position to have effective CA data of effective CA data, described CA position to be handled by described appointment BBU, and the corresponding CA position of described first passage information is the CA position of CA data on the corresponding data passage.
14, Operation ﹠ Maintenance System as claimed in claim 13, it is characterized in that, described second channel information collocation module also is used on described appointment BBU configuration and described first passage information second channel information one to one, described second channel information comprises that there are the indication information of the CA data that need this BBU processing, the carrier index that this BBU handles these CA data, the logical antenna numbering that these CA data are used in its corresponding CA position, and the corresponding CA position of described second channel information is the corresponding CA position of corresponding first passage information.
15, Operation ﹠ Maintenance System as claimed in claim 13, it is characterized in that, described third channel information collocation module also is used on described appointment RRU configuration and described first passage information third channel information one to one, described third channel information comprises that there are the information of the CA data that need this RRU processing, the physical antenna numbering that these CA data are used, the intermediate-frequency channel number information that these CA data are used this root physical antenna in its corresponding CA position of indication, and the corresponding CA position of described third channel information is the corresponding CA position of corresponding first passage information.
16, as the arbitrary described Operation ﹠ Maintenance System of claim 12 to 15, it is characterized in that, described third channel information collocation module also is used for the antenna data pooling information of the CA data correspondence on described each data channel of configuration on the described appointment RRU, and described antenna data pooling information comprises whether these CA data need the bit number that the same carrier wave data merge, these CA data need be shifted when antenna data merged with previous antenna.
17, a kind of BBU interface unit is characterized in that, comprising:
The first passage information receiving module is used to be received in the indication information that the same-phase orthogonal data unit CA data on each data channel that disposes on the light mouth of described BBU interface unit are handled by appointment BBU;
The first passage information storage module is used to store the described information that described first passage information receiving module receives.
18, BBU interface unit as claimed in claim 17, it is characterized in that, described first passage information receiving module also be used to be received in dispose on the described BBU interface unit light mouth with described each data channel first passage information one to one, described first passage information indicates corresponding CA position to have effective CA data of effective CA data, described CA position to be handled by appointment BBU, and the corresponding CA position of described first passage information is the CA position of CA data on the corresponding data passage.
19, a kind of baseband processing unit is characterized in that, comprising:
The second channel information receiving module is used to be received in the described baseband processing unit that disposes on the described baseband processing unit and handles the carrier index of same-phase orthogonal data unit CA data on each data channel and the logical antenna number information that the CA data on described each data channel are used respectively;
The second channel information storage module is used to store the described information that described second channel information receiving module receives.
20, baseband processing unit as claimed in claim 19, it is characterized in that, described second channel information receiving module also be used to be received in dispose on the described baseband processing unit with described first passage information second channel information one to one, described second channel information comprises that there are the indication information of the CA data of the described baseband processing unit processing of needs, the carrier index that described baseband processing unit is handled these CA data, the logical antenna numbering that these CA data are used in corresponding CA position, and the corresponding CA position of described second channel information is the corresponding CA position of corresponding first passage information.
21, a kind of Remote Radio Unit is characterized in that, comprising:
The third channel information receiving module is used to be received in physical antenna numbering and intermediate-frequency channel number information that the same-phase orthogonal data unit CA data on each data channel that disposes on the described Remote Radio Unit take respectively;
The third channel information storage module is used to store the described information that described third channel information receiving module receives.
22, Remote Radio Unit as claimed in claim 21, it is characterized in that, described third channel information receiving module also be used to be received in dispose on the described Remote Radio Unit with described first passage information third channel information one to one, described third channel information comprises that there is the indication information of the CA data of the described Remote Radio Unit processing of needs corresponding CA position, the physical antenna numbering that these CA data are used, these CA data are used the intermediate-frequency channel number information of this root physical antenna, and the corresponding CA position of described third channel information is the corresponding CA position of corresponding first passage information.
23, as claim 21 or 22 described Remote Radio Unit, it is characterized in that, described third channel information receiving module also is used to be received in the antenna data pooling information of the CA data correspondence on each data channel that disposes on the described Remote Radio Unit, and described antenna data pooling information comprises whether these CA data need the indication information of the bit number that the same carrier wave data merge, these CA data need be shifted when antenna data merged with previous antenna.
24, a kind of ascending data synchronization method is characterized in that, comprising:
Physical antenna numbering and intermediate-frequency channel number information that RRU takies respectively according to the same-phase orthogonal data unit CA data on each pre-configured data channel, on the corresponding intermediate-frequency channel of corresponding physical antenna, receive the CA data, described CA data are sent to BIU;
Described BIU receives described CA data, according in advance with light mouth that described RRU is connected on CA data on each data channel of disposing by the indication information of specifying BBU to handle, described CA data are sent to specify BBU;
Described appointment BBU handles the carrier index of CA data on described each data channel and the logical antenna number information that the CA data on described each data channel are used respectively according to pre-configured described appointment BBU, receives and handle described CA data.
25, method as claimed in claim 24, it is characterized in that, described RRU is after receiving described CA data, also according to the antenna data pooling information of the CA data correspondence on each pre-configured data channel described CA data are carried out union operation, described antenna data pooling information comprises whether described CA data need the indication information of the bit number that the same carrier wave data merge, described CA data need be shifted when antenna data merged with previous antenna.
26, a kind of Remote Radio Unit is characterized in that, comprising:
The 3rd configuration information memory module is used to store the physical antenna numbering and the intermediate-frequency channel number information that take respectively for the same-phase orthogonal data unit CA data on each data channel of its configuration in advance;
First receiver module, be used for described information inquiry CA data corresponding physical antenna number and intermediate-frequency channel numbering in described the 3rd configuration information memory module storage, on described CA data corresponding physical antenna and intermediate-frequency channel, receive described CA data, described CA data are sent to BBU interface unit BIU.
27, Remote Radio Unit as claimed in claim 26, it is characterized in that, described the 3rd configuration information memory module also is used to store in advance the antenna data pooling information for the CA data correspondence on each data channel of its configuration, and described antenna data pooling information comprises whether the CA data need the indication information with the bit number that the same carrier wave data merge, these CA data need be shifted when antenna data merged of previous antenna;
Described first receiver module also is used for according to the antenna data pooling information of the CA data correspondence on each data channel of described the 3rd configuration information memory module storage the CA data being carried out union operation.
28, a kind of BBU interface unit is characterized in that, comprising:
The first configuration information memory module is used to store CA data on each data channel that disposes on the light mouth in advance by the indication information of specifying baseband processing unit BBU to handle;
First forwarding module is used for the appointment BBU of the same-phase orthogonal data unit CA data of sending in the described information inquiry radio frequency remote unit RRU of described first configuration information memory module storage, and gives described appointment BBU with described CA data forwarding.
29, a kind of baseband processing unit is characterized in that, comprising:
The second configuration information memory module is used to store in advance and handles the carrier index of same-phase orthogonal data unit CA data on described each data channel and the logical antenna number information that the CA data on described each data channel are used respectively for the described baseband processing unit of its configuration;
First processing module is used for carrier index and logical antenna numbering in the described information inquiry CA data correspondence of described second configuration information memory module storage, and receives and handle described CA data by the carrier wave and the logical antenna of described CA data correspondence.
30, a kind of downlink data method for synchronous is characterized in that, comprising:
Baseband radio unit BBU handles the carrier index of same-phase orthogonal data unit CA data on each data channel and the logical antenna number information that the CA data on described each data channel are used respectively according to pre-configured described BBU, and the described CA data of handling after the CA data also will be handled send to BBU interface unit BIU;
Described BIU receives described CA data,, described CA data is sent to specify RRU by the indication information of specifying BBU to handle according to CA data on each data channel that disposes on the light mouth in advance;
Described appointment RRU receives described CA data, and according to physical antenna numbering and intermediate-frequency channel number information that the CA data on each pre-configured data channel take respectively, described CA data is sent on the corresponding intermediate-frequency channel of corresponding physical antenna.
31, a kind of Remote Radio Unit is characterized in that, comprising:
The 3rd configuration information memory module is used to store the physical antenna numbering and the intermediate-frequency channel number information that take respectively for the CA data on each data channel of its configuration in advance;
Second receiver module, be used for numbering, described CA data are sent on the corresponding intermediate-frequency channel of corresponding physical antenna at CA data corresponding physical antenna number and intermediate-frequency channel that the described information inquiry BIU of described the 3rd configuration information memory module storage sends.
32, a kind of BBU interface unit is characterized in that, comprising:
The first configuration information memory module is used to store CA data on each data channel that disposes on the light mouth in advance by the indication information of specifying baseband processing unit BBU to handle;
Second forwarding module is used for the appointment radio frequency remote unit RRU of the CA data of sending at the described information inquiry BBU of described first configuration information memory module storage, and gives described appointment RRU with described CA data forwarding.
33, a kind of baseband processing unit is characterized in that, comprising:
The second configuration information memory module is used to store in advance and handles the carrier index of the CA data on each data channel and the logical antenna number information that the CA data on described each data channel are used respectively for the described baseband processing unit of its configuration;
Second processing module, be used for carrier index and logical antenna numbering in the described information inquiry CA data correspondence of described second configuration information memory module storage, and handle described CA data by the carrier wave and the logical antenna of described CA data correspondence, and the described CA data after will handling send to BBU interface unit BIU.
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