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CN101425838B - Data channel configuration method and device - Google Patents

Data channel configuration method and device Download PDF

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Publication number
CN101425838B
CN101425838B CN 200710176559 CN200710176559A CN101425838B CN 101425838 B CN101425838 B CN 101425838B CN 200710176559 CN200710176559 CN 200710176559 CN 200710176559 A CN200710176559 A CN 200710176559A CN 101425838 B CN101425838 B CN 101425838B
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China
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data
information
bbu
channel
rru
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CN101425838A (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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China Academy of Telecommunications Technology CATT
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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 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 comprised 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 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 inner at the chip of TD-SCDMA ascending-descending subframes, and BBU is responsible for processing 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 carries out take 1CA as granularity when carrying out the processing of I/Q data, 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 at most 23 effective CA data transfers; For 2.5G optical fiber, a chip can be supported at most 47 effective CA data transfers.
At up direction, for a carrier wave, RRU receive data from the 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 process; At down direction, in a TD-SCDMA descending sub frame, subframe after BBU will process, 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 that the I/Q data between the RRU and BBU are synchronous 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 to be carried out the antenna data merging, be prior art can't so that the BBU that RRU delivers to appointment with the data of the designated carrier on the different physical antenna intermediate-frequency channels process, can't be so that upper certain carrier data processed of BBU be 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 realize that the I/Q data between the RRU and BBU are synchronous in the 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 residential quarter appointment, the physical antenna on the Remote Radio Unit (RRU) in advance, determine the data channel number that the residential quarter need take;
Dispose the indication information that same-phase orthogonal data unit (CA) data on each data channel are processed by described appointment BBU at BBU interface unit (BIU) the light mouth that is connected with described appointment RRU;
BBU processes 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 in the described appointment of described appointment BBU configuration;
Physical antenna numbering and intermediate-frequency channel number information that CA data on described each data channel of described appointment RRU configuration 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 residential quarter need take according to being the carrier wave on the baseband processing unit (BBU) of residential quarter appointment, the physical antenna on the Remote Radio Unit (RRU) in advance;
The first passage information collocation module is used for the BBU interface unit that is connected with described appointment RRU
(BIU) indication information that same-phase orthogonal data unit (CA) data on each data channel of configuration are processed by described appointment BBU on the light mouth;
The second channel information collocation module is used for processing 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 at the described appointment of described appointment BBU configuration BBU;
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 described appointment RRU configuration 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 residential quarter need take according to being the carrier wave on the baseband processing unit (BBU) of residential quarter appointment, the physical antenna on the Remote Radio Unit (RRU) in advance;
The first passage information collocation module is used for disposing the indication information that same-phase orthogonal data unit (CA) data on each data channel are processed by described appointment BBU at BBU interface unit (BIU) the light mouth that is connected with described appointment RRU;
The second channel information collocation module is used for processing 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 at the described appointment of described appointment BBU configuration BBU;
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 described appointment RRU configuration take respectively.
The embodiment of the invention also proposes a kind of baseband processing unit (BBU), comprising:
The second channel information receiving module is used for being received in the upper described BBU that disposes of described BBU and processes 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 for storing the described information that described second channel information receiving module receives.
The embodiment of the invention also proposes a kind of ascending data synchronization method, comprising:
Physical antenna numbering and intermediate-frequency channel number information that Remote Radio Unit (RRU) takies respectively according to same-phase orthogonal data unit (CA) data on each pre-configured data channel, corresponding intermediate-frequency channel at corresponding physical antenna receives the CA data, and described CA data are sent to BBU interface unit (BIU);
Described BIU receives described CA data,, described CA data is sent to specify baseband processing unit (BBU) by the indication information of specifying BBU to process according to CA data on each data channel that the light mouth that is connected with described RRU disposes in advance;
Described appointment BBU processes 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 process described CA data.
The embodiment of the invention also proposes a kind of baseband processing unit (BBU), comprising:
The second configuration information memory module is used for storage and processes 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 for the described BBU of its configuration in advance;
The first processing module, be used for numbering at corresponding carrier index and the logical antenna of CA data that the described information inquiry BBU of described the second configuration information memory module storage sends, and receive and process described CA data by described CA data corresponding carrier wave and logical antenna.
The embodiment of the invention also proposes a kind of downlink data method for synchronous, comprising:
Baseband radio unit (BBU) is processed 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 processing after the CA data also will be processed send to BBU interface unit (BIU);
Described BIU receives described CA data,, described CA data is sent to specify Remote Radio Unit (RRU) by the indication information of specifying BBU to process according to CA data on each data channel that the light mouth disposes 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, the corresponding intermediate-frequency channel of described CA data at corresponding physical antenna is sent.
The embodiment of the invention also proposes a kind of baseband processing unit (BBU), comprising:
The second configuration information memory module is used for storage and processes the carrier index of 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 for the described BBU of its configuration in advance;
The second processing module, be used for corresponding carrier index and the logical antenna numbering of described information inquiry CA data in described the second configuration information memory module storage, and process described CA data by described CA data corresponding carrier wave and logical antenna, and the described CA data after will processing send to 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 residential quarter appointment, the physical antenna on the RRU in advance, are determined the data channel number that the residential quarter need take; The data channel number that need take according to the residential quarter, designated carrier, appointment physical antenna and specify operating position and the antenna data combination situation of intermediate-frequency channel on the physical antenna, specifying BBU, specifying RRU and the BIU light mouth difference collocation channel information that is connected with appointment RRU, realize that the I/Q data between RRU and the BBU are synchronous.
Description of drawings
Fig. 1 is existing baseband extension type base station system structural representation;
Fig. 2 is data channel configuration method flow chart in the embodiment of the invention;
Fig. 3 is ascending data synchronization method flow chart in the embodiment of the invention;
Fig. 4 is downlink data method for synchronous flow chart in the embodiment of the invention;
Fig. 5 is light mouth register concrete structure schematic diagram in the embodiment of the invention one;
Fig. 6 is that the BBU of 3C6A type is to the processing format schematic diagram of I/Q data;
Fig. 7 is BBU register architecture schematic diagram in the embodiment of the invention one;
Fig. 8 is that the upper FPGA TRXI/Q processor of RRU is to the processing format schematic diagram of I/Q data;
Fig. 9 is the first register architecture schematic diagram in the embodiment of the invention one;
Figure 10 is data channel configuration method flow chart in the embodiment of the invention one;
Figure 11 is 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 the first register in the embodiment of the invention two;
Figure 13 is the structural representation of the second register in the embodiment of the invention three;
Figure 14 is 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 BBU interface unit structural representation in the embodiment of the invention;
Figure 17 is baseband processing unit structural representation in the embodiment of the invention;
Figure 18 is Remote Radio Unit structural representation in the embodiment of the invention;
Figure 19 is Remote Radio Unit structural representation in the embodiment of the invention;
Figure 20 is BBU interface unit structural representation in the embodiment of the invention;
Figure 21 is baseband processing unit structural representation in the embodiment of the invention;
Figure 22 is Remote Radio Unit structural representation in the embodiment of the invention;
Figure 23 is BBU interface unit structural representation in the embodiment of the invention;
Figure 24 is baseband processing unit structural representation in the embodiment of the invention.
Embodiment
The embodiment of the invention is synchronous for the I/Q data between RRU and the BBU in the realization baseband extension type base station, proposes a kind of data channel configuration method, and the core concept of the method is that the CA position in BBU, BIU, the upper chip of RRU is disposed synchronously.The method is take 1CA as granularity, when being the cell configuration data passage, according to being the carrier wave on the BBU of residential quarter appointment, the physical antenna on the RRU in advance, determines the data channel number that the residential quarter need take; The data channel number that need take according to the residential quarter, designated carrier, appointment physical antenna and specify operating position and the antenna data combination situation of intermediate-frequency channel on the physical antenna, specifying BBU, specifying RRU and the BIU light mouth difference collocation channel information that is connected with appointment RRU, realize that the I/Q data between RRU and the BBU are synchronous.Wherein, by Operation ﹠ Maintenance System in BBU, RRU and the BIU light mouth that is connected with RRU collocation channel information respectively.
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 residential quarter appointment, the physical antenna on the RRU in advance, determine the data channel number that the residential quarter need take.
Usually in plot planning, specified the residential quarter to take which physical antenna of which RRU and the frequency points that need to 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 residential quarter with specify the number of physical antenna, can determine the data channel number that the residential quarter need take, it determines that method is:
N＝C num*A num.......................................(2)
Wherein, N represents the data channel number that the residential quarter need take, the number of the designated carrier of expression residential quarter, the number of the appointment physical antenna of expression residential quarter.
S202, the CA data on each data channel of BIU light mouth configuration that is connected with appointment RRU are by the indication information of specifying BBU to process.
S203, specifying the BBU configuration to specify BBU to process 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 appointment RRU configuration take respectively.
Wherein, with each data channel of BIU light mouth configuration of specifying RRU to be connected on the CA data when specifying the indication information of BBU processing, can with the BIU light mouth configuration of specifying RRU to be connected 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 processed 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
Specifying BBU configuration appointment BBU to process the carrier index of CA data on each data channel, and the CA data on each data channel use respectively the logical antenna number information time, one to one second channel information of BBU configuration and each first passage information can specified, 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 processes 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 the physical antenna numbering that the CA data on specifying each data channel of RRU configuration take respectively and intermediate-frequency channel number information, one to one third channel information of RRU configuration and each first passage information can specified, each third channel information comprises the CA data that its corresponding CA position has needs this RRU to process, 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 the physical antenna numbering and intermediate-frequency channel number information that will the CA data on specifying each data channel of RRU configuration take respectively, also in the antenna data pooling information corresponding to CA data of specifying on each data channel of RRU configuration, 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 to 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, also can be the light mouth of BBU, BIU, the information that needs when RRU configuration data passage disposes 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 method specific works process is as described below:
Physical antenna numbering and intermediate-frequency channel number information that S301, RRU take respectively according to the CA data on each pre-configured data channel, the corresponding intermediate-frequency channel reception CA data at corresponding physical antenna send to BIU with the CA data;
S302, BIU receive the CA data, by the indication information of specifying BBU to process the CA data are sent to appointment BBU according to CA data on each data channel that the light mouth that is connected with RRU disposes in advance;
S303, appointment BBU process 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 process the CA data.
In step S301, RRU is after receiving the CA data, also corresponding antenna data pooling information is carried out union operation to these CA data according to the CA data on each pre-configured data channel, and 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 to 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 specific works process of the method is as described below:
S401, BBU process 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 processing after the CA data also will be processed 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 process according to CA data on each data channel that the light mouth disposes 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 corresponding intermediate-frequency channel of CA data at corresponding physical antenna are sent.
The below is elaborated to the data channel configuration method that the embodiment of the invention provides with specific embodiment:
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 specific works comprises following part:
One, in advance appointment BBU, the RRU of residential quarter with the BIU light mouth of specifying RRU to be connected on register is set respectively.
In the plot planning, specified the residential quarter to take which physical antenna of which RRU and the frequency points that need to take, Operation ﹠ Maintenance System specifies this residential quarter 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 light mouth register is being set, is specifying BBU that one group of BBU register is set, specifying RRU that one group of first register is set.
Wherein, the large 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, whether be provided with two signs that can dispose in each BIT position, being used to refer to respectively CA position on this BIT position 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 in the first passage information of specifying BBU to dispose.For example: each BIT position of the light mouth register of 64BIT sequentially is numbered, and numbering is respectively " 0 ", " 1 " ... " 63 "; When in each chip 23 CA positions being arranged, the BIT0-BIT22 of light mouth register is corresponding 23 the CA positions of order just in time; Have in each BIT position and to 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), BBU is set is " BBU0 ", referred to as BBU0 is enabled; CA position on the BIT position does not have effective CA data, the EN of this BIT position then can be set for " 0 " (expression disable state), BBU need be set, referred to as not enabling.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 arrange 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, be provided with three signs that can dispose at each BBU register, be used to refer to respectively the CA data that whether CA position corresponding to this BBU register serial number has needs this BBU to process (being called " enabling sign "), this BBU processes 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 in the second channel information of specifying BBU to dispose.For example: 64 BBU registers sequentially are numbered, and numbering is respectively " 0 ", " 1 " ... " 63 "; Enable to identify EN, carrier identification C, logical antenna sign A ' at each BBU register.When there are the CA data that need this BBU processing CA position corresponding to BBU register, EN can be set be " 1 " (expression enabled state), otherwise can being set, EN is " 0 " (expression disable state).For example: upper FPGA (the FieldProgrammable Gate Array of BBU that consults 3C6A type shown in Figure 6, 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 '; Suppose that the CA data that the 17th CA position corresponding to BBU register has needs this BBU to process, the carrier index that this BBU processes these CA data are that the logical antenna numbering that C0, these CA data are used is A4 ', 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 the first register that comprises in one group of first register can be decided according to actual needs, generally can arrange to comprise 64 the first registers in one group of BBU register.Can each first register in one group of first register sequentially be numbered, BIT position on each first register and the light mouth register has one-to-one relationship, be provided with three signs that can dispose at each first register, be used to refer to respectively the CA data that whether CA position corresponding to this first register serial number has needs this RRU to process (being called " enabling sign "), 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 at each first register is in the embodiment of the invention in the third channel information of specifying RRU to dispose.For example: 64 the first registers sequentially are numbered, and numbering is respectively " 0 ", " 1 " ... " 63 "; Enable to identify EN, physical antenna sign A, intermediate-frequency channel sign C ' at each first register.When there are the CA data that need this RRU processing CA position corresponding to the first register, EN can be set be " 1 " (expression enabled state), otherwise can being set, EN is " 0 " (expression disable state).For example: consult the upper FPGA TRXI/Q processor of RRU shown in Figure 8 to the processing format of 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 17th CA position corresponding to the first register supposing this RRU have the CA data that need this RRU to process, 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 the first register then can be set is that A3, C ' are C4 ' for " 1 ", A.The concrete structure of the 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 residential quarter need take.
Determine the data channel number N that the residential quarter 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 process 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 CA position corresponding to this BBU register to have to need the CA data that this BBU processes, the carrier index that this BBU processes these CA data, the logical antenna numbering that these CA data are used;
The sign of the first register that S104, configuration are corresponding with the BIT position indicates CA position corresponding to this first register to have to need the CA data that this appointment RRU processes, 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.
So far, finished the data channel synchronization configuration of residential quarter.After configuration is finished, Operation ﹠ Maintenance System also need confirm the data channel synchronization of light mouth register, BBU register, the 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 processes, upper certain carrier data processed of BBU can correctly be delivered on the physical antenna intermediate-frequency channel of RRU of appointment launches, realize that the I/Q data between BBU and the RRU are synchronous, realized that BBU and the RRU data in one-to-many, multi-to-multi situation are synchronous.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 specific works flow process of 3C6A cell configuration data passage:
In S111, the plot planning, specified a 3C6A residential quarter to take the antenna A0-A5 of RRU0, the frequency points that needs is 3, and Operation ﹠ Maintenance System specifies this residential quarter 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 residential quarter.
According to formula (2) as can be known, the data channel number N that need use of residential quarter=18.
S113, in be connected the light mouth register of light mouth with RRU0, determine that 18 unappropriated BIT positions are BIT position, this residential quarter, 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 the first register of RRU0, determine with light mouth register in BIT position 18 the first registers one to one.
S117, dispose each first register in these 18 first registers.
The EN that disposes each the first register is " 1 ", dispose the A of each the first register for specifying the physical antenna numbering, 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 residential quarter, after configuration was finished, Operation ﹠ Maintenance System also need be confirmed the data channel synchronization configuration to light mouth register, BBU register, the first register, and the light mouth register, BBU register and the first register that configure are referring to Figure 12.Afterwards, BBU0, BIU, RRU0 can learn exactly just how to receive and dispatch and process the I/Q data that in conjunction with shown in Figure 12, the process that the I/Q data are processed 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, 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 process, and this BIU sends to BBU0 with these CA data;
BBU0 receives these CA data according to the information on its BBU register and it is processed.
2, down direction
BBU0 is according to the information on its BBU register, and the CA Data Integration after the CA data are processed and will be processed is 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 the first register, these CA data is sent at 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 processes, upper certain carrier data processed of BBU0 can correctly be delivered on the physical antenna intermediate-frequency channel of RRU of appointment launches, realize that the I/Q data between BBU0 and the RRU0 are synchronous, 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 residential quarter 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 concept that antenna data merges at first is described.
Antenna data merges, and refers in a residential quarter, 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 residential quarter satisfy the covering demand.For example: the residential quarter 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 combined and process.
The mode that antenna data merges comprises: is completely integrated, respective channel merges, the RRU internal channel merges and group divided freely merges, wherein:
Be completely integrated, refer to the data on all antennas in the home cell are merged by carrier wave.For example for the residential quarter of a 3C6A, it is then real in 3C1A to be completely integrated, and takies 3 data passages.
Respective channel merges, and refers to 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 refers to the data on all antennas in the same RRU in the home cell are merged according to carrier wave.
Group divided freely merges, and refers to the mode by antenna number is divided into groups, and in a home cell, the data that are labeled as an antenna sets on the identical or different RRU merge according to carrier wave; Group divided freely merging mode has been broken in the antenna data merging process for the restriction of RRU, light mouth, can carry out any packet combining 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 connect on outside the configuration channel information identical with aforementioned several embodiment, also need in the antenna data pooling information corresponding to CA data of specifying on each data channel of RRU configuration, 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 to 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 specific works process is as described below:
One, in advance appointment BBU, the RRU of residential quarter 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 light mouth register is being set, is specifying BBU that the BBU register is set, specifying RRU that the 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.
The method that the second register is set at RRU is: set up two signs that can arrange at aforementioned each first register and form the second register, two that set up are designated merging sign and translocation factor sign, whether the merging sign is used to refer to CA position corresponding to this second register serial number needs to merge with the same carrier wave data of previous antenna, the bit number (being called translocation factor) that data need to 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 vector superposition of different antennae data causes the situation of data from overflow to occur.For example: 64 the second registers are sequentially carried out numbering sequentially, and sequence number is respectively " 0 ", " 1 " ... " 63 "; At each second register sign EN, A, C ', " superposition sign ", " translocation factor " are arranged.The concrete structure of the 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 residential quarter.
Concrete definite method can referring to abovementioned steps S201, no longer describe in detail here.
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 the second register of RRU at each respectively, the numbering of determining to have arranged in sequence number and the light mouth register BIT position is individual the second register of N one to one;
Dispose each second register, make CA data that each second register shows that CA position corresponding to this second register serial number has needs this RRU to process, physical antenna numbering that these CA data are used, intermediate-frequency channel numbering that these CA data are used this root physical antenna, whether CA position corresponding to this sequence number needs with the same carrier wave data of previous antenna merges and these CA data are carried out the bit number that need to be shifted when antenna data merges.
So far, finished the data channel synchronization configuration of residential quarter 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, the 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 processed is:
1, up direction
RRU: for a carrier wave, RRU obtains the CA data from the appointment intermediate-frequency channel of antenna, corresponding 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; If need to merge, then the CA data with these CA data and previous antenna combine, and put into the data channel of appointment; 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 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 processed, and for whether carrying out the antenna data merging, adopt which kind of merging mode fully transparent.
2, down direction
CA data after BBU:BBU will process 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 the 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 processes, upper certain carrier data processed of BBU can correctly be delivered on the physical antenna intermediate-frequency channel of RRU of appointment launches, realize that the I/Q data between BBU and the RRU are synchronous, 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 at present all application scenarioss and antenna data merging demand; Functional independence, for other subsystems except Operation ﹠ Maintenance System, concrete application is fully transparent.
Below in conjunction with specific embodiment each antenna data being merged data channel synchronization layoutprocedure corresponding to mode 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.
Whether at first determine the BIT position: exist in other light mouth register inquiry and distributed to the BIT position of specifying BBU, if so, 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 is the BBU register one to one;
The carrier wave that secondly, 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 the second register of all RRU, if can find on second register of specifying RRU the physical antenna numbering with specify the physical antenna numbering identical, the logical antenna of then getting on the BBU register of this appointments RRU correspondence BBU is numbered; Otherwise, select the upper idle logical antenna of this appointment BBU.
The mode of C1, configuration the 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 all light mouth registers inquiries 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 so, 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 is the BBU register one to one;
The carrier wave that secondly, 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 the upper idle logical antenna numbering of this BBU.
The mode of C2, configuration the second register is identical with abovementioned steps S112, no longer describes in detail here.
Embodiment six
In 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 all light mouth registers inquiries 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 so, 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 the 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 the upper idle logical antenna numbering of BBU.
The mode of C3, configuration the second register is identical with abovementioned steps S112, no longer describes in detail here.
Embodiment seven
Under the group divided freely 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 A4, configuration BIU.
At first determine the 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, 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.
B4, configuration BBU register.
At first, the numbering of determining sequence number and above-mentioned BIT position is the BBU register one to one;
The carrier wave that secondly, need take according to home cell disposes the correspondence sign of each BIT position;
Then, dispose the logical antenna sign of each BBU register: if the carrier identification on the existence appointment BBU register is identical with the designated carrier index and exist the physical antenna sign of corresponding BIT position on second register of specifying RRU identical with the appointment physical antenna, then select the logical antenna numbering on appointment BBU register corresponding to this appointment RRU; Otherwise, select to specify the upper idle logical antenna numbering of BBU.
The mode of C4, configuration the second register is identical with abovementioned steps S112, no longer describes in detail here.
In the embodiment of the invention seven, under the group divided freely combination situation, by the physical antenna on the RRU being carried out the mode of packet numbering, so that the data channel configuration is more flexible, 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 residential quarter need take according to being the carrier wave on the baseband processing unit BBU of residential quarter appointment, the physical antenna on the radio frequency remote unit RRU in advance;
First passage information collocation module 152 is used for disposing the indication information that the CA data on each data channel are processed by described appointment BBU at the BBU interface unit BIU light mouth that is connected with described appointment RRU;
Second channel information collocation module 153 is used for processing 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 at the described appointment of described appointment BBU configuration BBU;
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 described appointment RRU configuration take respectively.
Wherein, first passage information collocation module 152 also is used in the BIU light mouth configuration that is connected with described appointment RRU 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 processed 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 in described appointments 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 processes 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 in described appointments 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 antenna data pooling information corresponding to CA data on the described data channel of described appointment RRU configuration, 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 to 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 for being 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 processed by appointment BBU;
First passage information storage module 162 is used for the described information that storage first passage information receiving module 161 receives.
Wherein, first passage information receiving module 161 also be used for being 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 processed 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 for being received in the described baseband processing unit that disposes on the described baseband processing unit and processes 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 for the described information that storage second channel information receiving module 171 receives.
Wherein, second channel information receiving module 171 also be used for being 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 processed 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 for being received in physical antenna numbering and the 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 for the described information that storage third channel information receiving module 181 receives.
Wherein, third channel information receiving module 181 also be used for being 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 for being received in antenna data pooling information corresponding to CA data 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 with the bit number that the same carrier wave data merge, these CA data need to be shifted when antenna data merged of 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 for physical antenna numbering and intermediate-frequency channel number information that storage takies respectively for the CA data on each data channel of its configuration in advance;
The first receiver module 192, be used for corresponding physical antenna numbering and the intermediate-frequency channel numbering of described information inquiry CA data in 191 storages of the 3rd configuration information memory module, physical antenna and the intermediate-frequency channel corresponding in described CA data receive described CA data, and described CA data are sent to BBU interface unit BIU.
Wherein, the 3rd configuration information memory module 191 also is used for antenna data pooling information corresponding to CA data on each data channel that storage be its configuration in advance, the indication information of the bit number that described antenna data pooling information comprises whether the CA data need that same carrier wave data with previous antenna merge, these CA data need to be shifted during the antenna data merging;
The first receiver module 192 also is used for according to antenna data pooling information corresponding to CA data 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, be used for storage in advance the CA data on each data channel that the light mouth disposes by the indication information of specifying baseband processing unit BBU to process;
The 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 storages, and gives described appointment BBU with described CA data retransmission.
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 for storage and processes 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 in advance;
The first processing module 212, be used for numbering at corresponding carrier index and the logical antenna of CA data that the described information inquiry BBU of the second configuration information memory module 211 storages sends, and receive and process described CA data by described CA data corresponding carrier wave and logical antenna.
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 for physical antenna numbering and intermediate-frequency channel number information that storage takies respectively for the CA data on each data channel of its configuration in advance;
The second receiver module 222, be used for numbering at corresponding physical antenna numbering and the intermediate-frequency channel of CA data that the described information inquiry BIU of the 3rd configuration information memory module 221 storages sends, the corresponding intermediate-frequency channel of described CA data at corresponding physical antenna sent.
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, be used for storage in advance the CA data on each data channel that the light mouth disposes by the indication information of specifying baseband processing unit BBU to process;
The 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 storages, and gives described appointment RRU with described CA data retransmission.
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 for storage and processes 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 in advance;
The second processing module 242, be used for corresponding carrier index and the logical antenna numbering of described information inquiry CA data in 241 storages of the second configuration information memory module, and process described CA data by described CA data corresponding carrier wave and logical antenna, and the described CA data after will processing 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 residential quarter appointment, the physical antenna on the RRU in advance, are determined the data channel number that the residential quarter need take; The data channel number that need take according to the residential quarter, designated carrier, appointment physical antenna and specify operating position and the antenna data combination situation of intermediate-frequency channel on the physical antenna, specifying BBU, specifying RRU and the BIU light mouth difference collocation channel information that is connected with appointment RRU, realize that the I/Q data between RRU and the BBU are synchronous.
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 (23)

1. a data channel configuration method is characterized in that, comprising:
According to being the carrier wave on the baseband processing unit (BBU) of residential quarter appointment, the physical antenna on the Remote Radio Unit (RRU) in advance, determine the data channel number that the residential quarter need take;
Dispose the indication information that same-phase orthogonal data unit (CA) data on each data channel are processed by described appointment BBU at BBU interface unit (BIU) the light mouth that is connected with described appointment RRU;
BBU processes 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 in the described appointment of described appointment BBU configuration;
Physical antenna numbering and intermediate-frequency channel number information that CA data on described each data channel of described appointment RRU configuration take respectively.
2. the method for claim 1 is characterized in that, definite method of the data channel number that described residential quarter need take is:
N＝C num*A num
Wherein, N represents the data channel number that described residential quarter need take, C NumThe number that represents described designated carrier, A NumThe number that represents described appointment physical antenna.
3. the method for claim 1 is characterized in that, the CA data on each data channel of BIU light mouth configuration that is connected with the described RRU of appointment are further comprised by the indication information that described appointment BBU processes:
In the BIU light mouth configuration that is connected with described appointment RRU 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 processed 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, BBU processes 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 in the described appointment of described appointment BBU configuration, further comprises:
In described appointment BBU configuration and described each 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 processes 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 described each data channel of appointment RRU configuration take respectively further comprise:
In described appointment RRU configuration and described each first passage information third channel information one to one, 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. such as the arbitrary described method of claim 3 to 5, it is characterized in that, also antenna data pooling information corresponding to CA data on described each data channel of described appointment RRU configuration, 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 to be shifted when antenna data merged of previous antenna.
7. a data channel inking device is characterized in that, comprising:
Data channel number determination module is used for determining the data channel number that the residential quarter need take according to being the carrier wave on the baseband processing unit (BBU) of residential quarter appointment, the physical antenna on the Remote Radio Unit (RRU) in advance;
The first passage information collocation module is used for disposing the indication information that same-phase orthogonal data unit (CA) data on each data channel are processed by described appointment BBU at BBU interface unit (BIU) the light mouth that is connected with described appointment RRU;
The second channel information collocation module is used for processing 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 at the described appointment of described appointment BBU configuration BBU;
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 described appointment RRU configuration take respectively.
8. device as claimed in claim 7, it is characterized in that, described first passage information collocation module also is used in the BIU light mouth configuration that is connected with described appointment RRU 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 processed 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 in described appointments 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 processes 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 in described appointments 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. such 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 antenna data pooling information corresponding to CA data on the described data channel of described appointment RRU configuration, 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 to be shifted when antenna data merged with previous antenna.
12. an Operation ﹠ Maintenance System is characterized in that, comprising:
Data channel number determination module is used for determining the data channel number that the residential quarter need take according to being the carrier wave on the baseband processing unit (BBU) of residential quarter appointment, the physical antenna on the Remote Radio Unit (RRU) in advance;
The first passage information collocation module is used for disposing the indication information that same-phase orthogonal data unit (CA) data on each data channel are processed by described appointment BBU at BBU interface unit (BIU) the light mouth that is connected with described appointment RRU;
The second channel information collocation module is used for processing 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 at the described appointment of described appointment BBU configuration BBU;
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 described appointment RRU configuration take respectively.
13. Operation ﹠ Maintenance System as claimed in claim 12, it is characterized in that, described first passage information collocation module also is used in the BIU light mouth configuration that is connected with described appointment RRU 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 processed 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 in described appointments 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 processes 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 in described appointments 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. such 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 antenna data pooling information corresponding to CA data on described each data channel of described appointment RRU configuration, 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 to be shifted when antenna data merged with previous antenna.
17. a baseband processing unit (BBU) is characterized in that, comprising:
The second channel information receiving module is used for being received in the upper described BBU that disposes of described BBU and processes 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 for storing the described information that described second channel information receiving module receives.
18. BBU as claimed in claim 17, it is characterized in that, described second channel information receiving module also be used for being received in the upper configuration of described BBU with first passage information second channel information one to one, described second channel information comprises that there is the indication information of the CA data of the described BBU processing of needs corresponding CA position, described BBU processes the carrier index of these CA data, the logical antenna numbering that these CA data are used, the corresponding CA position of described second channel information is the corresponding CA position of corresponding first passage information, wherein, described first passage information indicates its corresponding CA position that effective CA data are arranged, effective CA data of this correspondence CA position are by specifying BBU to process, and the corresponding CA position of first passage information is the CA position of CA data on the corresponding data passage.
19. an ascending data synchronization method is characterized in that, comprising:
Physical antenna numbering and intermediate-frequency channel number information that Remote Radio Unit (RRU) takies respectively according to same-phase orthogonal data unit (CA) data on each pre-configured data channel, corresponding intermediate-frequency channel at corresponding physical antenna receives the CA data, and described CA data are sent to BBU interface unit (BIU);
Described BIU receives described CA data,, described CA data is sent to specify baseband processing unit (BBU) by the indication information of specifying BBU to process according to CA data on each data channel that the light mouth that is connected with described RRU disposes in advance;
Described appointment BBU processes 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 process described CA data.
20. method as claimed in claim 19, it is characterized in that, described RRU is after receiving described CA data, also corresponding antenna data pooling information is carried out union operation to described CA data according to the CA data on each pre-configured data channel, and 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 to be shifted when antenna data merged with previous antenna.
21. a baseband processing unit (BBU) is characterized in that, comprising:
The second configuration information memory module is used for storage and processes 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 for the described BBU of its configuration in advance;
The first processing module is used for corresponding carrier index and the logical antenna numbering of described information inquiry CA data in described the second configuration information memory module storage, and receives and process described CA data by described CA data corresponding carrier wave and logical antenna.
22. a downlink data method for synchronous is characterized in that, comprising:
Baseband radio unit (BBU) is processed 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 processing after the CA data also will be processed send to BBU interface unit (BIU);
Described BIU receives described CA data,, described CA data is sent to specify Remote Radio Unit (RRU) by the indication information of specifying BBU to process according to CA data on each data channel that the light mouth disposes 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, the corresponding intermediate-frequency channel of described CA data at corresponding physical antenna is sent.
23. a baseband processing unit (BBU) is characterized in that, comprising:
The second configuration information memory module is used for storage and processes the carrier index of 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 for the described BBU of its configuration in advance;
The second processing module, be used for corresponding carrier index and the logical antenna numbering of described information inquiry CA data in described the second configuration information memory module storage, and process described CA data by described CA data corresponding carrier wave and logical antenna, and the described CA data after will processing send to BIU.
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