CN101594590A - Be used for the data transmission method of wireless base station and the wireless base station of this method of application - Google Patents

Be used for the data transmission method of wireless base station and the wireless base station of this method of application Download PDF

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Publication number
CN101594590A
CN101594590A CN200910150225.4A CN200910150225A CN101594590A CN 101594590 A CN101594590 A CN 101594590A CN 200910150225 A CN200910150225 A CN 200910150225A CN 101594590 A CN101594590 A CN 101594590A
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China
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data
srio
base station
wireless base
protocol data
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CN200910150225.4A
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牛彦茹
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ZTE Corp
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ZTE Corp
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Priority to CN200910150225.4A priority Critical patent/CN101594590A/en
Publication of CN101594590A publication Critical patent/CN101594590A/en
Priority to PCT/CN2010/073396 priority patent/WO2010145441A1/en
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    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/08—Protocols for interworking; Protocol conversion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W80/00—Wireless network protocols or protocol adaptations to wireless operation

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

Abstract

The invention discloses a kind of data transmission method of wireless base station and wireless base station of this method of application of being used for, this method comprises: the data that the wireless base station external interface is received are converted to the SRIO protocol data, and the SRIO protocol data is sent to the SRIO network; At wireless base station inner utilization SRIO network based on SRIO protocol transmission SRIO protocol data; Data are converted to wireless base station protocol data by the SRIO protocol data, and send the wireless base station protocol data after the conversion.The technique effect that the present invention has realized improving the message transmission rate of inside, wireless base station and improved the data transmission credibility of inside, wireless base station.

Description

Be used for the data transmission method of wireless base station and the wireless base station of this method of application
Technical field
The present invention relates to the communications field, relate in particular to a kind of data transmission method of wireless base station and wireless base station of this method of application of being used for.
Background technology
At present, utilize Ethernet to connect transmission unit, LTE Baseband Processing Unit, control/clock module and radio frequency integrated circuit board in the wireless base station usually.Transmission rate based on the all-IP framework of Ethernet can reach 10Gbps.
The SRIO agreement is as unique embedded interconnect standard, its advantage is that higher communication speed is (in the RapidIO standard 2.0, the flank speed of SRIO can reach 80Gbps), service quality (QoS), better metering characteristics, lower packet header expense and the low topological structure that postpones, can support arbitrary structures completely, the minimum line number signal and the reliability of physical layer guarantee.
In realizing process of the present invention, the inventor finds, along with mobile communication from analog to digital, professional aspect from voice to the note, the data of multimedia message, web page browsing, stock exchange, Mobile banking, location navigation or the like and the development of video traffic, the wireless base station is as the infrastructure of maintenance with user's physical layer link, the interior data flow is more and more higher, and the message transmission rate of the data transmission method that is used for the wireless base station in the correlation technique can't be satisfied the demand.
Summary of the invention
This bright purpose is to provide a kind of data transmission method of wireless base station and wireless base station of this method of application of being used for, and can solve the low technical problem of message transmission rate in the correlation technique.
According to an aspect of the present invention, provide a kind of data transmission method that is used for the wireless base station, having comprised: the data that the wireless base station external interface is received are converted to the SRIO protocol data, and the SRIO protocol data is sent to the SRIO network; The SRIO protocol data is converted to wireless base station protocol data, and sends the wireless base station protocol data after the conversion.
Preferably, the data that the wireless base station is received are converted to the SRIO protocol data, and the SRIO protocol data is sent to the SRIO network specifically comprise: the rf board cartoon of wireless base station is crossed the data that wireless air interface receives self terminal; The radio frequency integrated circuit board is handled data, and the data after will handling are converted to the SRIO protocol data; The radio frequency integrated circuit board sends to the SRIO network with the SRIO protocol data.
Preferably, the radio frequency integrated circuit board is handled data, and the data after will handling are converted to the SRIO protocol data and specifically comprise: the radio frequency integrated circuit board is handled data, and the data after will handling are converted to the CPRI protocol data and send to the SRIO-CPRI bridge; The SRIO-CPRI bridge is converted to the SRIO protocol data with the CPRI protocol data.The SRIO-CPRI bridge is between BBU and the RRU module, mainly finishes the conversion of communication protocol between base station system in radio frequency remote base station framework and radio-frequency module, and the SRIO-CPRI bridge only is present in the radio frequency remote base station, does not exist in traditional macro base station.
Preferably, the data that the wireless base station is received are converted to the SRIO protocol data, and the SRIO protocol data is sent to the SRIO network specifically comprise: the transmission unit of wireless base station receives the data from core net; Transmission unit is converted to the SRIO protocol data with data; Transmission unit sends to the SRIO network with the SRIO protocol data.
Preferably, specifically comprise based on SRIO protocol transmission SRIO protocol data at wireless base station inner utilization SRIO network: the SRIO network is handled LTE Baseband Processing Unit or control/clock module that data send the wireless base station to; Data after handling are sent to the transmission unit of wireless base station by the SRIO network.
Preferably, specifically comprise based on SRIO protocol transmission SRIO protocol data at wireless base station inner utilization SRIO network: the SRIO network is handled LTE Baseband Processing Unit or control/clock module that data send the wireless base station to; Data after handling are sent to the radio frequency integrated circuit board of wireless base station by the SRIO network.
Preferably, data are converted to the Internet protocol data by the SRIO protocol data, and the wireless base station protocol data that sends after the conversion comprises specifically: the transmission unit of wireless base station is converted to base station controller or the radio network controller that the Internet protocol data sends to the wireless base station with data by the SRIO protocol data and handles; Data after the base station controller of wireless base station or radio network controller will be handled send to core net.
Preferably, data are converted to wireless base station protocol data by the SRIO protocol data, and the wireless base station protocol data that sends after the conversion specifically comprises: the radio frequency integrated circuit board of wireless base station is handled data, and the data after will handling are converted to wireless base station protocol data by the SRIO protocol data; The rf board cartoon is crossed air wireless interface wireless base station protocol data is sent to terminal.
According to another aspect of the present invention, a kind of wireless base station also is provided, comprise transmission unit, LTE Baseband Processing Unit, control/clock module and radio frequency integrated circuit board, also comprise: the SRIO module, be connected to transmission unit, LTE Baseband Processing Unit, control/clock module and radio frequency integrated circuit board, be used in inside, wireless base station based on SRIO protocol transmission data.
Preferably, the wireless base station also comprises: SRIO-common public radio interface bridge, be between radio frequency integrated circuit board and the SRIO module, and be used to carry out the conversion of data between common public radio interface protocol format and SRIO protocol format.
Preferably, control/clock module comprises: CPU is used for the first special-purpose asic chip, storage chip, SRIO interchanger and the SRIO configuration store chip of control/clock module; The first special-purpose asic chip is used for processing protocol and link; Storage chip, the parameter that is used for storing control/clock module; The SRIO interchanger is used to transmit SRIO protocol format data; SRIO configuration store chip is used to store the configuration data and the routing iinformation of SRIO interchanger.
Preferably, LTE Baseband Processing Unit comprises: the second special-purpose asic chip, be used to carry out Channel Modulation, power modulation, rate adapted, data framing, separate frame and handle, and be used to provide the clock of LTE Baseband Processing Unit; Digital signal processing chip is used to carry out Base-Band Processing, coding and decoding, rate adapted, frequency hopping processing and encrypting and decrypting and handles; The SRIO interchanger is used to transmit SRIO protocol format data; SRIO configuration store chip is used to store the configuration data and the routing iinformation of SRIO interchanger.
By means of above-mentioned at least one technical scheme of the present invention,, thereby realized the transmission rate height, the technique effect that reliability is high because the inner SRIO network that adopts communicates based on the SRIO agreement in the wireless base station.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, and constitutes the part of specification, is used from explanation the present invention with embodiments of the invention one, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the flow chart according to the data transmission method that is used for the wireless base station of first embodiment of the invention;
Fig. 2 is that the radio frequency according to second embodiment of the invention zooms out the data flow figure in the type base station;
Fig. 3 is that the radio frequency according to third embodiment of the invention zooms out the data flow figure in the type base station;
Fig. 4 shows the structure chart according to the wireless base station of fourth embodiment of the invention;
Fig. 5 shows the structure chart according to the wireless base station of fifth embodiment of the invention;
Fig. 6 shows the Shi Zhong ﹠amp among Fig. 5; Transmission ﹠amp; The detailed structure view of control module;
Fig. 7 shows the detailed structure view of the LTE Baseband Processing Unit among Fig. 5.
Embodiment
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the present invention, and be not used in qualification the present invention.
In the following description, for the purpose of explaining, a plurality of specific details have been described, to provide to thorough of the present invention.Yet, obviously, do not having under the situation of these specific detail, also can realize the present invention, in addition, under the situation of not conflicting, promptly under the situation that does not deviate from the spirit and scope that claims illustrate, each details among following embodiment and the embodiment can be carried out various combinations.
First embodiment
Fig. 1 is the flow chart according to the data transmission method that is used for the wireless base station of first embodiment of the invention.As shown in Figure 1, the data transmission method that is used for the wireless base station according to first embodiment of the invention may further comprise the steps:
Step S102, the data that the wireless base station external interface is received are converted to the SRIO protocol data, and the SRIO protocol data is sent to the SRIO network;
Step S104, at wireless base station inner utilization SRIO network based on SRIO protocol transmission SRIO protocol data;
Step S106 is converted to wireless base station protocol data with the SRIO protocol data, and sends the wireless base station protocol data after the conversion.
The inner SRIO network that adopts communicates based on the SRIO agreement according to the data transmission method that is used for the wireless base station of first embodiment of the invention because in the wireless base station, thereby has realized the transmission rate height, the technique effect that reliability is high.
Preferably, the data that the wireless base station is received are converted to the SRIO protocol data, and the SRIO protocol data is sent to the SRIO network specifically comprise: the rf board cartoon of wireless base station is crossed the data that wireless air interface receives self terminal; The radio frequency integrated circuit board is handled data, and the data after will handling are converted to the SRIO protocol data; The radio frequency integrated circuit board sends to the SRIO network with the SRIO protocol data.Transmit in the SRIO of inside, wireless base station agreement with the realization data, thereby reach the purpose that improves message transmission rate.
Preferably, the radio frequency integrated circuit board is handled data, and the data after will handling are converted to the SRIO protocol data and specifically comprise: the radio frequency integrated circuit board is handled data, and the data after will handling are converted to the CPRI protocol data and send to the SRIO-CPRI bridge; The SRIO-CPRI bridge is converted to the SRIO protocol data with the CPRI protocol data.The SRIO-CPRI bridge is between BBU and the RRU module, mainly finishes the conversion of communication protocol between base station system in radio frequency remote base station framework and radio-frequency module, and the SRIO-CPRI bridge only is present in the radio frequency remote base station, does not exist in traditional macro base station.With SRIO agreement transmission, thereby reach the purpose that improves message transmission rate in the inner realization of radio frequency remote base station data.
Preferably, the data that the wireless base station is received are converted to the SRIO protocol data, and the SRIO protocol data is sent to the SRIO network specifically comprise: the transmission unit of wireless base station receives the data from core net; Transmission unit is converted to the SRIO protocol data with data; Transmission unit sends to the SRIO network with the SRIO protocol data.Thereby the data that receive are converted to the SRIO protocol data, transmit in the SRIO of inside, wireless base station agreement to realize data, thereby reach the purpose that improves message transmission rate.
Preferably, specifically comprise based on SRIO protocol transmission SRIO protocol data at wireless base station inner utilization SRIO network: the SRIO network is handled LTE Baseband Processing Unit or control/clock module that data send the wireless base station to; Data after handling are sent to the transmission unit of wireless base station by the SRIO network.Transmit in the SRIO of inside, wireless base station agreement with the realization data, thereby reach the purpose that improves message transmission rate.
Preferably, specifically comprise based on SRIO protocol transmission SRIO protocol data at wireless base station inner utilization SRIO network: the SRIO network is handled LTE Baseband Processing Unit or control/clock module that data send the wireless base station to; Data after handling are sent to the radio frequency integrated circuit board of wireless base station by the SRIO network.Transmit in the SRIO of inside, wireless base station agreement with the realization data, thereby reach the purpose that improves message transmission rate.
Preferably, data are converted to the Internet protocol data by the SRIO protocol data, and the wireless base station protocol data that sends after the conversion comprises specifically: the transmission unit of wireless base station is converted to base station controller or the radio network controller that the Internet protocol data sends to the wireless base station with data by the SRIO protocol data and handles; Data after the base station controller of wireless base station or radio network controller will be handled send to core net.Transmit in the SRIO of inside, wireless base station agreement with the realization data, thereby reach the purpose that improves message transmission rate.
Preferably, data are converted to the Internet protocol data by the SRIO protocol data, and the wireless base station protocol data that sends after the conversion specifically comprises: the radio frequency integrated circuit board of wireless base station is handled data, and the data after will handling are converted to wireless base station protocol data by the SRIO protocol data; The rf board cartoon is crossed air wireless interface wireless base station protocol data is sent to terminal.Transmit in the SRIO of inside, wireless base station agreement with the realization data, thereby reach the purpose that improves message transmission rate.
The inner SRIO network that adopts communicates based on the SRIO agreement according to the data transmission method that is used for the wireless base station of first embodiment of the invention because in the wireless base station, thereby has realized improving the technique effect of transmission rate.
Second embodiment
Fig. 2 is that the radio frequency according to second embodiment of the invention zooms out the data flow figure in the type base station.
Mainly contain two kinds of data types in the base station: medium face data and chain of command data.Digitized subscriber-coded voice of medium face data carry or user data have identical functions and form on the uplink and downlink link; The chain of command data are signaling and the synchronic commands that transmit between base station and the travelling carriage, and some chain of command data only defines up link or down link.As shown in Figure 2, zoom out in the type base station at radio frequency, the data downstream of medium face is handled and be may further comprise the steps:
Step 201a, foreign medium face data are imported transmission unit into from ABIS mouth Ethernet interface or other protocol formats, and the data transaction that transmission unit will be come in becomes the inside of base station interconnection agreement, i.e. the SRIO protocol data;
Step 202b, the SRIO data after transmission unit will be changed are given the SRIO network and are sent out;
Step 203c after clock control module is taken data from the SRIO network interface, after operating system is done identification and handled, does next step processing for the baseband carrier processing unit that calculates by the SRIO forwarded again;
Step 204d, the DSP array of baseband carrier processing unit make further Message Processing after taking data from the SRIO network, rate adapted, and downlink coding is handled, and frequency hopping is handled, and after the downlink coding encryption, passes to next processing unit through the SRIO network;
Step 205e, the asic chip of baseband carrier processing unit is separated frame, data-modulated to the data process of taking, and power modulation after the Channel Processing, behind the framing, spreads out of through the SRIO network interface once more again;
Step 206f, SRIO-CPRI bridge send to remote radio unit (RRU) through optical-fiber network after the SRIO Data Format Transform of taking is become the CPRI form;
Step 207g, remote radio unit (RRU) make digital upconversion process after taking data from optical-fiber network, and digital-to-analogue conversion after the operation such as power amplification, is transmitted to the terminal use by less radio-frequency and receives.
The up processing of medium face data is exactly the contrary operation that medium face data downstream is handled.Do not give unnecessary details herein.
Zoom out in the type base station at radio frequency, the data downstream of chain of command is handled and be may further comprise the steps:
Step 201A, transmission unit become the SRIO formatted data with data transaction after taking data from the ABIS mouth, pass to the SRIO network;
Step 202B, the SRIO network is given the operating system processing unit with the data of taking;
After step 203C, operating system processing unit take data from the SRIO network, after doing further to discern processing, send by the SRIO network;
Step 204D, the SRIO formatted data of SRIO-CPRI bridge to taking, convert the CPRI agreement to after, give the radio frequency unit of far-end by the light oral instructions;
Step 205E, remote radio unit (RRU) is made digital up-conversion to the data of taking, and after the analog-to-digital conversion, after the power amplification, gives the terminal use by antenna transmission.
The upstream of chain of command data is the downstream data flow reverse process, and the present invention does not give unnecessary details.
The data transmission method that is used for the wireless base station according to second embodiment of the invention adopts the SRIO network to communicate based on the SRIO agreement owing to zoom out the type inside of base station at radio frequency, thereby has realized improving the technique effect of transmission rate.
The 3rd embodiment
Fig. 3 is according to the data flow figure in traditional macro base station of third embodiment of the invention.
Mainly contain two kinds of data types in the base station: medium face data and chain of command data.Digitized subscriber-coded voice of medium face data carry or user data have identical functions and form on the uplink and downlink link; The chain of command data are signaling and the synchronic commands that transmit between base station and the travelling carriage, and some chain of command data only defines up link or down link.As shown in Figure 3, in traditional macro base station, the data downstream of medium face is handled and be may further comprise the steps:
Step 301a, foreign medium face data are imported transmission unit into from ABIS mouth Ethernet interface or other protocol formats, and the data transaction that transmission unit will be come in becomes the inside of base station interconnection agreement, i.e. the SRIO protocol data;
Step 302b, the SRIO data after transmission unit will be changed are given the SRIO network and are sent out;
After step 303c, operating system processing unit take data from the SRIO network interface, after operating system is done identification and handled, do next step processing for the data modem processing unit that calculates by the SRIO forwarded again;
Step 304d, the DSP array of data modem processing unit make further Message Processing after taking data from the SRIO network, rate adapted, and downlink coding is handled, and frequency hopping is handled, and after the downlink coding encryption, passes to next processing unit through the SRIO network;
Step 305e, the baseband carrier processing unit is separated frame, data-modulated to the data process of taking, and power modulation after the Channel Processing, behind the framing, spreads out of through the SRIO network interface once more again;
Step 306f, radio frequency unit make digital upconversion process after taking data from the SRIO network, and digital-to-analogue conversion after the operation such as power amplification, is transmitted to the terminal use by less radio-frequency and receives.
In step 306f, radio frequency unit is converted to um mouth data with the SRIO data after data are handled (as digital upconversion process), sends to the terminal use then by eating dishes without rice or wine.
The up processing of medium face data is exactly the contrary operation that medium face data downstream is handled.Do not give unnecessary details herein.
In traditional macro base station, the data downstream of chain of command is handled and be may further comprise the steps:
Step 301A, transmission unit become the inside of base station agreement with data transaction after taking data from the ABIS mouth, pass to the SRIO network;
Step 302B, SRIO network interface give the data of taking the operating system processing unit of control clock board;
After step 303C, operating system processing unit take data from the SRIO network, after doing further to discern processing, send by the SRIO network;
Step 304D, radio frequency unit is made digital up-conversion to the data of taking, and after the analog-to-digital conversion, after the power amplification, gives the terminal use by antenna transmission.
In step 304D, radio frequency unit is converted to um mouth data with the SRIO data after data are handled (as digital upconversion process), sends to the terminal use then by eating dishes without rice or wine.
And in the traditional base station, the distance of radio frequency unit and baseband processing unit is closer, need not pass through the SRIO-CPRI bridge converts, and baseband processing unit directly sends radio frequency unit to the SRIO formatted data.
The upstream indication and the downstream data flow reverse process of chain of command data, the present invention does not give unnecessary details.
According to the data transmission method that is used for the wireless base station of third embodiment of the invention owing to communicate based on the SRIO agreement at the inner SRIO network that adopts of traditional macro base station, thereby realized improving the technique effect of transmission rate.
The 4th embodiment
Fig. 4 shows the structure chart according to the wireless base station of fourth embodiment of the invention.As shown in Figure 4, wireless base station according to fourth embodiment of the invention comprises transmission unit 402, LTE Baseband Processing Unit 404, control/clock module 406 and radio frequency integrated circuit board 408, also comprise: SRIO module 103, be connected to transmission unit 402, LTE Baseband Processing Unit 404, control/clock module 406 and radio frequency integrated circuit board 408, be used in inside, wireless base station based on SRIO protocol transmission data.
According to the wireless base station of fourth embodiment of the invention owing to realize communication at inside of base station based on the SRIO agreement by the SRIO module, thereby realized improving the technique effect of transmission rate.
Preferably, the wireless base station also comprises: SRIO-CPRI bridge 410, be between radio frequency integrated circuit board and the SRIO module, and be used to carry out the conversion of data between CPRI protocol format and SRIO protocol format.The SRIO-CPRI bridge only is present in the radio frequency remote base station, does not exist in traditional macro base station.With SRIO agreement transmission, thereby reach the purpose that improves message transmission rate in the inner realization of radio frequency remote base station data.
Preferably, control/clock module comprises: CPU is used for the first special-purpose asic chip, storage chip, SRIO interchanger and the SRIO configuration store chip of control/clock module; The first special-purpose asic chip is used for processing protocol and link; Storage chip, the parameter that is used for storing control/clock module; The SRIO interchanger is used to transmit SRIO protocol format data; SRIO configuration store chip is used to store the configuration data and the routing iinformation of SRIO interchanger.With SRIO agreement transmission, thereby reach the purpose that improves message transmission rate in the inner realization of radio frequency remote base station data.
Preferably, LTE Baseband Processing Unit comprises: the second special-purpose asic chip, be used to carry out Channel Modulation, power modulation, rate adapted, data framing, separate frame and handle, and be used to provide the clock of LTE Baseband Processing Unit; Digital signal processing chip is used to carry out Base-Band Processing, coding and decoding, rate adapted, frequency hopping processing and encrypting and decrypting and handles; The SRIO interchanger is used to transmit SRIO protocol format data; SRIO configuration store chip is used to store the configuration data and the routing iinformation of SRIO interchanger.With SRIO agreement transmission, thereby reach the purpose that improves message transmission rate in the inner realization of radio frequency remote base station data.
According to the wireless base station of fourth embodiment of the invention owing to realize communication at inside of base station based on the SRIO agreement by the SRIO module, thereby realized improving the technique effect of transmission rate.
The 5th embodiment
Fig. 5 shows the structure chart according to the wireless base station of fifth embodiment of the invention.As shown in Figure 5, the wireless base station according to fifth embodiment of the invention comprises:
Shi Zhong ﹠amp; Transmission ﹠amp; Control module 502, its detailed structure view is as shown in Figure 6; Shi Zhong ﹠amp; Transmission ﹠amp; The function of control module 502 is integrated among Fig. 4 control/clock module 406 and transmission unit 402 be responsible for providing the synchronised clock of whole base station, and the data of whole base station, reporting base station running status is coordinated in control;
LTE Baseband Processing Unit bunches 503 is made of one or more LTE Baseband Processing Unit, and baseband board is supported hot plug, and quantity is configurable.LTE Baseband Processing Unit is finished baseband modulation, base band demodulating, baseband hopping, power control, is received self-clock; Transmission ﹠amp; The clock of control module 502 and produce clock that this plate needs, provide with radio frequency unit 504 ... 507 interfaces that link to each other.
Fig. 6 shows Shi Zhong ﹠amp; Transmission ﹠amp; The detailed structure view of control module 502.As shown in Figure 6, Shi Zhong ﹠amp; Transmission ﹠amp; Control module 502 is by CPU 602, special-purpose asic chip 603, storage chip 606, SRIO interchanger 604, SRIO configuration store chip 605, transmission unit 607, and some other peripheral chip is formed.Global variable, global variable in the storage chip 606 main storage operating systems, driving and protocol stack and each module, and configuration parameter.Special-purpose asic chip 603 is responsible for some protocol processes and link processing, and provides part to drive function.The SRIO exchange chip of SRIO interchanger 604 and other veneers has constituted the SRIO network, and Media Stream and signaling flow are shared this network.SRIO configuration store chip (Eeprom) 605 is being stored the configuration data and the routing iinformation of whole SRIO network interface.Its configuration data can be write by CPU 602, and also burning in advance is good.CPU 602 modules are responsible for coordinating and managing each device on the veneer, safeguard the normal operation of veneer.The data that transmission unit 607 receives from the ABIS mouth, and convert the inside of base station data format to, give each resume module by the SRIO network.
Fig. 7 provides the detailed structure view of LTE Baseband Processing Unit 503, and as shown in Figure 7, SRIO interchanger 702 constitutes the SRIO switching network with the SRIO module of other veneers, the transmission and the exchange of carrying media stream and signaling flow data.Special-purpose asic chip 703 and DSP704, the 705 DSP arrays of forming are finished Base-Band Processing, coding and decoding, the rate adapted of carrier wave, and frequency hopping is handled and encrypting and decrypting is handled.Special-purpose asic chip 703 is finished Channel Modulation, and the framing of power modulation, rate adapted and data is separated frame and handled, and is responsible for providing the clock of this plate simultaneously.The configuration data and the routing iinformation of SRIO configuration store chip (Eeprom) 706 storage SRIO interchangers 702.
Zoom out in the type base station at radio frequency, before LTE Baseband Processing Unit bunches 503 outputs, also need the SRIO-CPRI bridge to do a protocol processes, become the CPRI formatted data to send to the RRU unit SRIO data transaction in data.In traditional macro base station, because radio-frequency module and baseband processing module be all in a frame, transmission range is nearer, so need not to do this conversion, base band data can directly be passed to radio-frequency module by the SRIO network interface and be for further processing.
Backboard is responsible for that signal continues and the interconnection of SRIO link.Shi Zhong ﹠amp; Transmission ﹠amp; Control module 502, LTE Baseband Processing Unit 503 are all by backboard and other single board communications.
504,505,506,507 radio frequency units such as grade are identical with the radio frequency unit in the existing base station, so do not give unnecessary details at this.
As mentioned above, by means of technical scheme of the present invention, can realize communication at inside of base station, thereby realize improving the technique effect of transmission rate by means of the SRIO module based on the SRIO agreement.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (12)

1. a data transmission method that is used for the wireless base station is characterized in that, comprising:
The data that described wireless base station external interface is received are converted to the SRIO protocol data, and described SRIO protocol data is sent to the SRIO network;
At the described SRIO network of described wireless base station inner utilization based on the described SRIO protocol data of SRIO protocol transmission;
Described SRIO protocol data is converted to wireless base station protocol data, and sends the described wireless base station protocol data after the conversion.
2. data transmission method according to claim 1 is characterized in that, the data that described wireless base station external interface is received are converted to the SRIO protocol data, and described SRIO protocol data is sent to the SRIO network specifically comprises:
The rf board cartoon of described wireless base station is crossed the data that wireless air interface receives self terminal;
Described radio frequency integrated circuit board is handled described data, and the described data after will handling are converted to the SRIO protocol data;
Described radio frequency integrated circuit board sends to the SRIO network with described SRIO protocol data.
3. data transmission method according to claim 2 is characterized in that, described radio frequency integrated circuit board is handled described data, and the described data after will handling are converted to the SRIO protocol data and specifically comprise:
Described radio frequency integrated circuit board is handled described data, and the described data after will handling are converted to the common public radio interface protocol data and send to SRIO-common public radio interface bridge;
Described SRIO-common public radio interface bridge is converted to the SRIO protocol data with described common public radio interface protocol data.
4. data transmission method according to claim 1 is characterized in that, the data that described wireless base station is received are converted to the SRIO protocol data, and described SRIO protocol data is sent to the SRIO network specifically comprises:
The transmission unit of described wireless base station receives the data from core net;
Described transmission unit is converted to the SRIO protocol data with described data;
Described transmission unit sends to the SRIO network with described SRIO protocol data.
5. data transmission method according to claim 1 is characterized in that, specifically comprises based on the described SRIO protocol data of SRIO protocol transmission at the described SRIO network of described wireless base station inner utilization:
Described SRIO network is handled LTE Baseband Processing Unit or control/clock module that data send described wireless base station to;
Described data after handling are sent to the transmission unit of described wireless base station by described SRIO network.
6. data transmission method according to claim 1 is characterized in that, specifically comprises based on the described SRIO protocol data of SRIO protocol transmission at the described SRIO network of described wireless base station inner utilization:
Described SRIO network is handled LTE Baseband Processing Unit or control/clock module that data send described wireless base station to;
Described data after handling are sent to the radio frequency integrated circuit board of described wireless base station by described SRIO network.
7. data transmission method according to claim 1 is characterized in that, described data are converted to wireless base station protocol data by described SRIO protocol data, and the described wireless base station protocol data that sends after the conversion specifically comprises:
The transmission unit of described wireless base station is converted to base station controller or the radio network controller that the Internet protocol data sends to described wireless base station with described data by described SRIO protocol data and handles;
Described data after the base station controller of described wireless base station or radio network controller will be handled send to core net.
8. data transmission method according to claim 1 is characterized in that, described data are converted to wireless base station protocol data by described SRIO protocol data, and the described wireless base station protocol data that sends after the conversion specifically comprises:
The radio frequency integrated circuit board of described wireless base station is handled described data, and the described data after will handling are converted to wireless base station protocol data by described SRIO protocol data;
Described rf board cartoon is crossed air wireless interface described wireless base station protocol data is sent to terminal.
9. a wireless base station comprises transmission unit, LTE Baseband Processing Unit, control/clock module and radio frequency integrated circuit board, it is characterized in that, also comprises:
The SRIO module is connected to described transmission unit, described LTE Baseband Processing Unit, described control/clock module and described radio frequency integrated circuit board, is used in inside, described wireless base station based on SRIO protocol transmission data.
10. wireless base station according to claim 9 is characterized in that, also comprises:
SRIO-common public radio interface bridge is between described radio frequency integrated circuit board and the described SRIO module, is used to carry out the conversion of data between common public radio interface protocol format and SRIO protocol format.
11. wireless base station according to claim 9 is characterized in that, described control/clock module comprises:
CPU is used for controlling the first special-purpose asic chip, storage chip, SRIO interchanger and the SRIO configuration store chip of described control/clock module;
The described first special-purpose asic chip is used for processing protocol and link;
Described storage chip, the parameter that is used for storing described control/clock module;
Described SRIO interchanger is used to transmit described SRIO protocol format data;
Described SRIO configuration store chip is used to store the configuration data and the routing iinformation of described SRIO interchanger.
12. wireless base station according to claim 9 is characterized in that, described LTE Baseband Processing Unit comprises:
The second special-purpose asic chip, be used to carry out Channel Modulation, power modulation, rate adapted, data framing, separate frame and handle, and be used to provide the clock of described LTE Baseband Processing Unit;
Digital signal processing chip is used to carry out Base-Band Processing, coding and decoding, rate adapted, frequency hopping processing and encrypting and decrypting and handles;
Described SRIO interchanger is used to transmit described SRIO protocol format data;
Described SRIO configuration store chip is used to store the configuration data and the routing iinformation of described SRIO interchanger.
CN200910150225.4A 2009-06-19 2009-06-19 Be used for the data transmission method of wireless base station and the wireless base station of this method of application Pending CN101594590A (en)

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WO2010145441A1 (en) * 2009-06-19 2010-12-23 中兴通讯股份有限公司 Data transmission method for wireless base station and wireless base station applying this method
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WO2010145441A1 (en) * 2009-06-19 2010-12-23 中兴通讯股份有限公司 Data transmission method for wireless base station and wireless base station applying this method
CN102347792A (en) * 2010-07-30 2012-02-08 国际商业机器公司 Method for adapting radio remote unit (RRU) and base band unit (BBU) and equipment thereof
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WO2016123975A1 (en) * 2015-02-06 2016-08-11 中兴通讯股份有限公司 Data transmission method and apparatus
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