WO2013185639A1 - 数据传输的方法、装置及系统 - Google Patents

数据传输的方法、装置及系统 Download PDF

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Publication number
WO2013185639A1
WO2013185639A1 PCT/CN2013/077295 CN2013077295W WO2013185639A1 WO 2013185639 A1 WO2013185639 A1 WO 2013185639A1 CN 2013077295 W CN2013077295 W CN 2013077295W WO 2013185639 A1 WO2013185639 A1 WO 2013185639A1
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WO
WIPO (PCT)
Prior art keywords
data
data processing
processing device
remote base
sub
Prior art date
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PCT/CN2013/077295
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English (en)
French (fr)
Inventor
周军
兰鹏
王珏平
张思
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to JP2015516434A priority Critical patent/JP6018706B2/ja
Priority to EP13804199.1A priority patent/EP2863557B1/en
Priority to KR1020157000348A priority patent/KR101635632B1/ko
Publication of WO2013185639A1 publication Critical patent/WO2013185639A1/zh
Priority to US14/570,993 priority patent/US9871592B2/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/25—Arrangements specific to fibre transmission
    • H04B10/2575—Radio-over-fibre, e.g. radio frequency signal modulated onto an optical carrier
    • H04B10/25752—Optical arrangements for wireless networks
    • H04B10/25758—Optical arrangements for wireless networks between a central unit and a single remote unit by means of an optical fibre
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/25—Arrangements specific to fibre transmission
    • H04B10/2575—Radio-over-fibre, e.g. radio frequency signal modulated onto an optical carrier
    • H04B10/25752—Optical arrangements for wireless networks
    • H04B10/25753—Distribution optical network, e.g. between a base station and a plurality of remote units
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/25—Arrangements specific to fibre transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/27—Arrangements for networking
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/29—Repeaters
    • 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
    • H04W88/085—Access point devices with remote components

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a data transmission method, apparatus, and system. Background technique
  • a remote radio unit (RRU) and a baseband unit (BBU) are connected by a direct fiber drive to implement a common public radio interface (CPRI) data connection.
  • CPRI common public radio interface
  • the BBU scales to form a baseband unit pool (BBU pool), and the RRUs of the multiple remote base stations share the BBU resources, and the remote base stations are geographically dispersed.
  • BBU pool baseband unit pool
  • each remote base station and the BBU are connected by one or a pair of optical fibers, and the data is transmitted by point-to-point, which consumes a large amount of optical fibers.
  • Embodiments of the present invention provide a data transmission method, which can save optical fibers. Embodiments of the present invention also provide corresponding data processing apparatus and systems.
  • a data transmission method the data processing device is connected to a plurality of remote base stations and a central station device, and the data processing device and each remote base station are connected by one or a pair of optical fibers, the data processing device Connected to the central station device via one or a pair of optical fibers;
  • the method includes: the data processing apparatus receiving at least two pieces of data sent by at least two remote base stations of the plurality of remote base stations, and concentrating the at least two pieces of data into one output data, to the central station The device sends the output data; or,
  • the data processing device receives one combined input data sent by the central station device, restores the synthesized input data to at least two channels of data before synthesis, and restores at least two pieces of data after the recovery according to each of the restored data.
  • the sub-interface identifier in the path data is sent to the remote base station connected to the sub-interface through the optical fiber by using the sub-interface identifier corresponding to the sub-interface.
  • a data processing apparatus comprising: multiple or multiple pairs of sub-interfaces, at least one or a pair of composite interfaces, each or each pair of sub-interfaces having a unique sub-interface identifier, each remote base station passing one or a pair of optical fibers Connected to one or a pair of sub-interfaces, the central station device is connected to one or a pair of the synthesizing interfaces through one or a pair of optical fibers; the sub-interface is configured to receive a remote end connected to itself through an optical fiber Data sent by the base station;
  • a data processing unit configured to aggregate at least two channels of data received by the at least two sub-interfaces into one output data
  • a synthesizing interface configured to send the data processing unit to the central station device connected to the optical fiber through the optical fiber
  • the synthesis interface is further configured to receive a combined input data sent by the central station device;
  • the data processing unit is further configured to restore the synthesized input data received by the synthesis interface to the pre-synthesis At least two channels of data;
  • the sub-interface is configured to send at least two pieces of data recovered by the data processing unit to the remote base station connected to the sub-interface through an optical fiber according to the sub-interface identifier in each recovered data.
  • a system for data transmission comprising: a plurality of remote base stations, a data processing device and a central station device, wherein the central station device is integrated with a data processing device;
  • the data processing device is connected to each remote base station by one or a pair of optical fibers, and the data processing device is connected to the central station device by one or a pair of optical fibers;
  • the data processing device is used for Receiving at least two pieces of data sent by at least two of the plurality of remote base stations, concentrating the at least two pieces of data into one output data, and transmitting the output data to the central station device;
  • the central station device is configured to receive output data sent by the data processing device, restore the output data to at least two channels of data before synthesis, and identify the at least two channels of data to implement a central station device and Communication by the remote base station;
  • the central station device is further configured to aggregate two channels of data sent to at least two remote base stations connected to the data processing device into one way, and send the aggregated synthesized input data to the data processing device;
  • the data processing device is further configured to receive the synthesized input data sent by the central station device, restore the synthesized input data to at least two channels of data before synthesis, and restore the restored at least two channels of data according to the recovery.
  • the sub-interface identifier in each of the subsequent data is sent to the remote base station connected to the sub-interface through the optical fiber by using the sub-interface to identify the corresponding sub-interface.
  • a system for data transmission comprising: a plurality of remote base stations, a first data processing device and a central station device, the central station device integrated with a second data processing device; the first data processing device and each The remote data base stations are connected by one or a pair of optical fibers, and the first data processing device is connected to the central station device by one or a pair of optical fibers; the first data processing device is configured to receive the And at least two channels of data sent by at least two of the plurality of remote base stations are aggregated into one output data, and the output data is sent to the central station device;
  • the second data processing device is configured to receive output data sent by the first data processing device, restore the output data to at least two channels of data before synthesis, and identify the at least two channels of data to implement Communication between the central station device and the remote base station;
  • the second data processing device is further configured to aggregate two channels of data to be sent by the central station device to at least two remote base stations connected to the first data processing device, and combine the aggregated Input data is sent to the first data processing device;
  • the first data processing device is further configured to receive the synthesized input data sent by the central station device, restore the synthesized input data to at least two channels of data before the synthesis, and restore the restored at least two channels of data. According to the sub-interface identifier in each of the recovered data, the sub-interface corresponding to the sub-interface identifier is sent to the remote base station connected to the sub-interface through the optical fiber.
  • a system for data transmission comprising: a plurality of remote base stations, a plurality of first data processing devices, and a central station device, wherein the central station device is integrated with a second data processing device; each of the first data processing devices Connected to a plurality of remote base stations, and each remote base station is connected to only one first data processing device, and each of the first data processing devices connected to the remote base station thereof is connected through one or a pair of optical fibers
  • the first data processing device is connected to the central station device by one or a pair of optical fibers;
  • the first data processing device is configured to receive at least two of the plurality of remote base stations connected thereto At least two channels of data sent by the remote base station, the at least two channels of data are aggregated into one channel of output data, and the output data is sent to the central station device;
  • the second data processing device is configured to receive the Output data sent by a data processing device, recovering the output data to at least two channels of data before synthesis, and identifying the at least two channels of data to
  • the second data processing device is further configured to aggregate the two channels of data sent by the central station device to at least two remote base stations connected to a first data processing device into a path, and combine the aggregated input data. And being sent to the first data processing device connected to the at least two remote base stations; the first data processing device is further configured to receive the synthesized input data sent by the central station device, and input the synthesized input data Restoring at least two pieces of data before the synthesis, and identifying at least two pieces of data after the recovery according to the sub-interfaces in each of the recovered data, and transmitting the corresponding sub-interfaces through the sub-interfaces to the through-fiber and the The remote base station to which the subinterface is connected.
  • a system for data transmission comprising: a plurality of remote base stations, a first data processing device, a second data processing device, and a central station device, wherein the second data processing device is externally placed in the central station device, And the central station device is communicatively coupled to the second data processing device;
  • the first data processing device is connected to each remote base station by one or a pair of optical fibers, and the first data processing device and the second data processing device are connected by one or a pair of optical fibers;
  • a first data processing apparatus configured to receive at least two pieces of data sent by at least two remote base stations of the plurality of remote base stations, and aggregate the at least two pieces of data into one output data to the second data Processing device transmitting the output data;
  • the second data processing device is configured to receive output data sent by the first data processing device, restore the output data to at least two channels of data before synthesis, and identify the at least two channels of data to implement The communication between the central station device and the remote base station; the second data processing device is further configured to aggregate two data to be sent by the central station device to the at least two remote base stations into one way, and send the aggregated synthesized input data And the first data processing device is further configured to receive the synthesized input data sent by the second data processing device, and restore the synthesized input data to at least two channels of data before synthesis
  • the at least two pieces of data after the recovery are identified by the sub-interfaces in the recovered data, and the sub-interfaces corresponding to the sub-interfaces are sent to the remote base station connected to the sub-interface through the optical fiber.
  • a system for data transmission comprising: a plurality of remote base stations, a plurality of first data processing devices, a second data processing device, and a central station device, wherein the second data processing device is externally placed in the central station device And the central station device is in communication with the second data processing device;
  • Each of the first data processing devices is connected to a plurality of remote base stations, and each of the remote base stations is connected to only one first data processing device, and each of the first data processing devices passes through a remote base station connected thereto One or a pair of optical fibers are connected, and each of the first data processing devices and the second data processing device are connected by one or a pair of optical fibers;
  • the first data processing device is configured to receive and be connected thereto At least two channels of data sent by at least two of the plurality of remote base stations, the at least two channels of data are aggregated into one channel of output data, and the output data is sent to the second data processing device;
  • the second data processing device is configured to receive output data sent by the first data processing device, restore the output data to at least two channels of data before synthesis, and identify the at least two channels of data to implement Communication between the central station device and the remote base station;
  • the second data processing device is further configured to aggregate two channels of data to be sent by the central station device to at least two remote base stations connected to a first data processing device, and send the aggregated synthesized input data. Providing to the first data processing device connected to the at least two remote base stations;
  • the first data processing device is further configured to receive the synthesized input data sent by the second data processing device, and restore the synthesized input data to at least two channels of data before synthesis, and at least two of the recovered data.
  • the path data is sent to the remote base station connected to the sub-interface through the optical fiber by using the sub-interface corresponding to the sub-interface identifier in the data.
  • the data processing device is connected to a plurality of remote base stations and a central station device, and the data processing device and each remote base station are connected by one or a pair of optical fibers, and the data processing device is The central station device is connected by one or a pair of optical fibers; the method includes: the data processing device receiving at least two data sent by at least two remote base stations of the plurality of remote base stations, The at least two channels of data are aggregated into one output data, and the output data is sent to the central station device; or, the data processing device receives a combined input data sent by the central station device, and the synthesized input data is Restoring at least two pieces of data before the synthesis, and identifying at least two pieces of data after the recovery according to the sub-interfaces in each of the recovered data, and transmitting the corresponding sub-interfaces through the sub-interfaces to the through-fiber and the The remote base station to which the subinterface is connected.
  • each remote base station is connected to the central station device through one or a pair of optical fibers, and the data transmission scheme provided by the embodiment of the present invention may be directed to, for example, the distance of the remote base station in the cloud wireless access network.
  • the central station equipment has a distance (such as several hundred meters, or even several kilometers)
  • the data can be processed by the data processing device, and the data processing device is connected to each remote base station through one or a pair of optical fibers, but with the center Station equipment requires only one or a pair of fibers to be connected, saving a large amount of fiber.
  • DRAWINGS 1 is a structural diagram of a data transmission architecture in the prior art
  • FIG. 2 is a schematic diagram of an embodiment of a system according to an embodiment of the present invention.
  • FIG. 3 is a schematic diagram of another embodiment of a system according to an embodiment of the present invention.
  • FIG. 4 is a schematic diagram of another embodiment of a system according to an embodiment of the present invention.
  • FIG. 5 is a schematic diagram of another embodiment of a system according to an embodiment of the present disclosure.
  • FIG. 6 is a schematic diagram of another embodiment of a system according to an embodiment of the present invention.
  • FIG. 7 is a schematic diagram of another embodiment of a system according to an embodiment of the present invention.
  • FIG. 8 is a schematic diagram of another embodiment of a system according to an embodiment of the present invention.
  • FIG. 9 is a schematic diagram of another embodiment of a method for data transmission according to an embodiment of the present invention
  • FIG. 10 is a schematic diagram of another embodiment of a method for data transmission according to an embodiment of the present invention
  • FIG. 1 is a schematic diagram of another embodiment of a data processing apparatus according to an embodiment of the present invention
  • FIG. 13 is a schematic diagram of an embodiment of a data processing apparatus according to an embodiment of the present invention
  • It is a schematic diagram of an embodiment of a data processing apparatus provided by an embodiment of the present invention.
  • DETAILED DESCRIPTION OF THE INVENTION Embodiments of the present invention provide a data transmission method, which can save optical fibers. Embodiments of the present invention also provide corresponding data processing apparatus and systems. The details are described below separately.
  • the central station device in the embodiment of the present invention may be a base station processing unit (BBU) or a device in a centralized BBU.
  • the remote base station may include a remote radio unit (RRU) and/or power the RRU. device of.
  • FIG. 1 is a schematic diagram of a connection between a remote base station and a central station device in the prior art. As can be seen from FIG. 1, each remote base station 40 and the central station device 50 are connected by one or a pair of optical fibers. When the remote base station is a few kilometers away from the central station equipment, a large amount of optical fiber needs to be consumed.
  • an embodiment of a system for data transmission includes: a plurality of remote base stations 40, a first data processing device 60, and a central station device 50, wherein the central station device 50 is integrated with one
  • the second data processing device 70, the second data processing device 70 and the first number The structure and function of the processing device 60 are the same, except that the reverse process of the first data processing device 60 is performed during the data processing;
  • the first data processing device 60 is connected to each remote base station 40 by one or a pair of optical fibers, and the first data processing device 60 is connected to the central station device 50 through one or a pair of optical fibers;
  • the first data processing device 60 is configured to receive at least two pieces of data sent by at least two remote base stations of the plurality of remote base stations, and aggregate the at least two pieces of data into one output data, to the The central station device transmits the output data;
  • the second data processing device 70 is configured to receive output data sent by the first data processing device, restore the output data to at least two channels of data before synthesis, and identify the at least two channels of data, Realizing communication between the central station device and the remote base station;
  • the second data processing device 70 is further configured to aggregate two channels of data sent to at least two remote base stations connected to the first data processing device into one way, and send the aggregated synthesized input data to the Said first data processing device;
  • the first data processing device 60 is further configured to receive synthesized input data sent by the central station device, and restore the synthesized input data to at least two channels of data before synthesis, and at least two paths after the recovery.
  • the data is sent to the remote base station connected to the sub-interface through the optical fiber by using the sub-interface corresponding to the sub-interface identifier in the data.
  • the first data processing device 60 is coupled to a plurality of remote base stations 40 and a central station device 50, and the first data processing device 60 and each remote base station 40 are connected by one or a pair of optical fibers, A data processing device 60 is coupled to the central station device 50 via one or a pair of optical fibers.
  • the remote base station 40 is at a distance from the central station device 50
  • the first data processing device 60 and the central station device 50 are connected by only one or a pair of optical fibers, thereby saving a large amount of optical fiber.
  • One of the embodiments of the present invention is a physical one that can receive both signals and signals.
  • a pair is two in the physical sense.
  • One of the two fibers is used to receive the signal and the other is used to transmit the signal.
  • the first data processing device 60 plays a primary role in both data aggregation and data separation in the data transmission system.
  • the first data processing device 60 is configured to receive at least two channels of data sent by at least two remote base stations connected thereto, and aggregate the at least two channels of data into one channel of output data to the center.
  • the station device sends the output data;
  • the central station device 50 is configured to receive the output data sent by the first data processing device 60, restore the output data to at least two channels of data before synthesis, and identify the at least Two ways of data are implemented to enable communication between the central station device 50 and the remote base station 40.
  • the second data processing device 70 in the central station device 50 aggregates the two channels of data transmitted to at least two remote base stations connected to a first data processing device 60 into one way, which will be aggregated.
  • the synthesized input data is transmitted to the first data processing device 60 connected to the at least two remote base stations 40; the first data processing device 60 receives the synthesized input data sent by the central station device 50, and inputs the composite input.
  • the data is restored to at least two pieces of data before the synthesis, and the restored at least two pieces of data are identified according to the sub-interfaces in each of the recovered data, and the corresponding sub-interfaces are sent to the through-fiber and the sub-interfaces.
  • the remote base station 40 connected to the sub-interface is described.
  • a second data processing device 70 is integrated in the central station device 50 of the embodiment of the present invention, and the second data processing device 70 integrated in the central station device 50 is in the process of data processing.
  • the process opposite to the first data processing device 60 is performed.
  • the synthesized data is transmitted to the central station device 50, which is integrated in the central station device 50.
  • the data processing device 70 restores the synthesized data to at least two pieces of data before synthesis for the central station device 50 to identify the information of each remote base station 40.
  • the integrated second data processing device 70 aggregates at least two channels of data to be sent into one combined input data, and then sends the data to the first data processing device. 60.
  • the first data processing device 60 performs a process of separating the synthesized data, and then sends the restored at least two channels of data to the corresponding remote base station 40.
  • another embodiment of a system for data transmission provided by an embodiment of the present invention includes: a plurality of remote base stations 40, a plurality of first data processing devices 60, and a central station device 50, wherein the central station device 50 is integrated. There is a second data processing device 70;
  • Each of the first data processing devices 60 is connected to a plurality of remote base stations 40, and each remote base station is connected to only one first data processing device 60, each of the first data processing devices 60 and The remote base station 40 connected thereto is connected by one or a pair of optical fibers, and each of the first data processing devices 60 and the central station device 50 are connected by one or a pair of optical fibers;
  • the first data processing device 60 is configured to receive at least two channels of data sent by at least two remote base stations connected to the plurality of remote base stations, and aggregate the at least two channels of data into one channel of output data.
  • the central station device transmits the output data;
  • the second data processing device 70 is configured to receive output data sent by the first data processing device, restore the output data to at least two channels of data before synthesis, and identify the at least two channels of data, Realizing communication between the central station device and the remote base station;
  • the second data processing device 70 is further configured to aggregate the two channels of data sent by the central station device to at least two remote base stations connected to a first data processing device into a path, and combine the combined inputs. Transmitting data to a first data processing device coupled to the at least two remote base stations;
  • the first data processing device 60 is further configured to receive synthesized input data sent by the central station device, and restore the synthesized input data to at least two channels of data before synthesis, and at least two paths after the recovery.
  • the data is sent to the remote base station connected to the sub-interface through the optical fiber by using the sub-interface corresponding to the sub-interface identifier in the data.
  • Each first data processing device 60 is coupled to a plurality of remote base stations 40, and each remote base station 40 is coupled to only one first data processing device 60 to which each of the first data processing devices 60 is coupled
  • the remote base station is connected by one or a pair of optical fibers, and each of the first data processing devices 60 is coupled to the central station device 50 by one or a pair of optical fibers.
  • the layout can be performed by the solution provided in this embodiment.
  • the remote base station 40 is at a distance from the central station device 50, the first data processing device 60 and the central station device 50 are connected by only one or a pair of optical fibers, thereby saving a large amount of optical fibers.
  • a plurality of first data processing devices 60 may be deployed, and a first data processing device 60 is disposed for a plurality of remote base stations in a local geographical area, and the function of the first data processing device 60 is implemented corresponding to FIG. 2 .
  • the first data processing device 60 in the example is the same and will not be described in detail herein.
  • the first data processing device 60 When there are a plurality of first data processing devices 60 to be connected to the central station device 50, and each first When the data processing device 60 is far away from the central station device 50, the first data processing device 60 that needs to be connected to the central station device 50 can be first connected to a transparent data processing device, and then the data processing device can be transparently passed through a Or a pair of optical fibers is coupled to the central station device 50, which further saves fiber.
  • the function of the transparent data processing device and the first data processing device 60 can be the same as long as it is a function module/device capable of transparent transmission/relay in such a scenario, thereby further saving fiber.
  • another embodiment of a system for data transmission provided by an embodiment of the present invention includes: a plurality of remote base stations 40, a first data processing device 60, a second data processing device 70, and a central station device 50.
  • the central station device 50 is communicatively coupled to the second data processing device 70; in one implementation scenario, the second data processing device 70 can be externally located at the central station device 50.
  • the first data processing device 60 is connected to each remote base station 40 via one or a pair of optical fibers, and the first data processing device 60 and the second data processing device 70 pass through one or a pair of optical fibers. Connection
  • the first data processing device 60 is configured to receive at least two pieces of data sent by at least two remote base stations of the plurality of remote base stations, and aggregate the at least two pieces of data into one output data, to the The second data processing device transmits the output data;
  • the second data processing device 70 is configured to receive output data sent by the first data processing device, restore the output data to at least two channels of data before synthesis, and identify the at least two channels of data, Realizing communication between the central station device and the remote base station;
  • the second data processing device 70 is further configured to aggregate two channels of data to be sent by the central station device 50 to the at least two remote base stations into one way, and send the aggregated synthesized input data to the first data processing device. ;
  • the first data processing device 60 is further configured to receive the synthesized input data sent by the second data processing device, and restore the synthesized input data to at least two channels of data before the synthesizing, and the recovered at least The two-way data is sent to the remote base station connected to the sub-interface through the optical fiber by using the sub-interface identifier in each of the recovered data.
  • the first data processing device 60 and each remote base station 40 pass through one or a pair of optical fibers Connecting, the first data processing device 60 and the second data processing device 70 are connected by one or a pair of optical fibers; thus, when the remote base station 40 has a distance from the central station device 50, the data processing device 30 It is connected to the central station device 50 through only one or a pair of optical fibers, thereby saving a large amount of optical fibers.
  • the first data processing device 60 and the second data processing device 70 function as data aggregation and/or data separation in the data transmission system, and the two data processing devices play opposite roles in the data processing process. .
  • the data processing device 60 aggregates at least two channels of data
  • the aggregated synthesized data is sent to the second data processing device 70, and the second data processing device 70 separates the synthesized data.
  • the second data processing device 70 After the at least two channels of data are aggregated, the synthesized data is sent to the first data processing device 60, and the first data processing device 60 separates the synthesized data, and transmits the restored at least two channels of data to the corresponding remote base station 40.
  • the first data processing device 60 receives at least two channels of data sent by at least two of the plurality of remote base stations, and aggregates the at least two channels of data into one channel of output data to the second data processing device. Transmitting the output data; the second data processing device 70 will receive the output data sent by the first data processing device 60, restore the output data to at least two channels of data before synthesis, and identify the at least two channels. Data to enable communication between the central station device 50 and the remote base station 40;
  • the second data processing device 70 aggregates the two channels of data sent to the at least two remote base stations connected to the first data processing device 60 into one way, and sends the aggregated data to the at least two remote base stations.
  • a first data processing device 60 connected; the first data processing device 60 receives the synthesized input data sent by the second data processing device 70, and restores the synthesized input data to at least two channels of data before synthesis,
  • the recovered at least two pieces of data are sent to the remote base station 40 connected to the sub-interface through the optical fiber by using the sub-interface corresponding to the sub-interface identifier in the restored data.
  • the central station device 50 generates data only for each remote base station 40. After the central station device generates at least two pieces of data to be transmitted to the at least two remote base stations 40, the two channels of data are aggregated by the second data processing device 70. The input data is synthesized all the way to the first data processing device 60.
  • another embodiment of a system for data transmission provided by an embodiment of the present invention includes: a plurality of remote base stations 40, a plurality of first data processing devices 60, a second data processing device 70, and a central station device 50, wherein the central station device 50 is in communication with the second data processing device 70;
  • the second data processing device 70 is external to the central station device 50.
  • Each of the first data processing devices 60 is connected to a plurality of remote base stations 40, and each of the remote base stations 40 is connected to only one first data processing device 60, and each of the first data processing devices 60 is connected thereto.
  • the remote base station 40 is connected by one or a pair of optical fibers, and each of the first data processing devices 60 and the second data processing device 70 are connected by one or a pair of optical fibers;
  • the first data processing device 60 is configured to receive at least two channels of data sent by at least two remote base stations connected to the plurality of remote base stations, and aggregate the at least two channels of data into one channel of output data.
  • the second data processing device transmits the output data;
  • the second data processing device 70 is configured to receive output data sent by the first data processing device, restore the output data to at least two channels of data before synthesis, and identify the at least two channels of data, Realizing communication between the central station device and the remote base station;
  • the second data processing device 70 is further configured to aggregate two channels of data to be sent by the central station device to at least two remote base stations connected to a first data processing device, and combine the aggregated input data. Transmitting to a first data processing device connected to the at least two remote base stations;
  • the first data processing device 60 is further configured to receive the synthesized input data sent by the second data processing device, and restore the synthesized input data to at least two channels of data before the synthesizing, and the recovered at least The two-way data is sent to the remote base station connected to the sub-interface through the optical fiber by using the sub-interface identifier in each of the recovered data.
  • the layout can be performed by the solution provided in this embodiment.
  • the remote base station 40 is far away from the central station device 50, the first data processing device 60 and the central station device 50 are connected by only one or a pair of optical fibers, thereby saving a large amount of optical fibers.
  • a plurality of first data processing devices 60 may be deployed, and a first data processing device 60 is disposed for a plurality of remote base stations in a local geographical area.
  • the function of the first data processing device 60 may correspond to FIG.
  • the first data processing device 60 in the embodiment is the same, here No more details will be given.
  • another embodiment of a system for data transmission includes: a remote base station 40 is connected to a sub-interface 301 of the data processing device 30 via an optical fiber, and at least two data of at least two remote base stations 40 are connected.
  • the optical fibers connected to the data processing device 30 respectively enter the sub-interface 301.
  • the at least two channels of data are aggregated by the data processing device, and then sent to the center connected to the synthesizing interface 306 through the optical fiber through the synthesizing interface 306.
  • Station equipment 50 is
  • the data processing device integrated by the central station device 50 first aggregates at least two channels of data to be sent.
  • the aggregated synthesized data is sent to the data processing device 30 through the optical fiber.
  • the data processing device 30 separates the synthesized data, and transmits the restored at least two channels of data to the corresponding remote base station 40 through different sub-interfaces 301.
  • the data processing device 30 can be configured with two synthesizing interfaces 306, one of which is connected to the central station device 50, and the other synthesizing interface 306 is connected to a transparent data processing device 20 for transparent transmission of the data processing device 20.
  • the function is that when a plurality of data processing devices 30 are to be connected to the central station device and are far away from the central station device 50, the data processing device 30 to be connected to the central station device 50 can be first connected to the transparent data processing device 20 first. The connection is then transparently transmitted through the data processing device 20 via one or a pair of optical fibers to the central station device 50, which further saves fiber.
  • the process of the data processing device 30 for data aggregation is as follows:
  • the sub-interface 301 converts the received optical signal into an electrical signal, converts the serial signal into a parallel signal, and extracts a reference clock of the data through the clock module 302, thereby The clock information of the road data is adjusted to the reference clock information.
  • the photoelectric conversion module 3011 converts the received optical signal into an electrical signal
  • the serial-parallel conversion module 3012 converts the serial signal into a parallel signal.
  • the clock module 302 extracts clock information from the data processed by the sub-interface 301, and outputs a reference clock, and uses the reference clock as a reference clock to generate a clock required for data processing.
  • the clock information mentioned in the embodiment of the present invention may refer to The frequency and phase of the harmonics carrying the data.
  • the data rate identification module 303 detects the rate at which each sub-interface 301 is converted into parallel data, and generates alarm information when the sum of the rates of the data of each channel is greater than the threshold rate of the preset synthesized data; the management and maintenance module The alarm information generated by the data rate identification module 303 is transmitted to the data routing identification and distribution module 305, and the alarm information is reported to the central station device 50 by the data routing identification and distribution module 305.
  • the management and maintenance module 304 instructs the data route identification and distribution module 305 to synthesize several channels of data into one output data, and the synthesis interface 306 synthesizes the output data by
  • the parallel signal is converted to a serial signal, which is then converted to an optical signal for transmission to the central station device 50 via the optical interface with the composite interface 306.
  • the process for data separation by data processing device 30 is as follows:
  • the process of data separation is the reverse of the process of data aggregation: the central station device 50 is connected to the synthesis interface 306 via an optical fiber. After receiving the input synthesis data, the synthesis interface 306 first converts the optical signal into an electrical signal, and converts the serial data into parallel.
  • the data routing identification and allocation module 305 processes the data from the synthesis interface, restores the synthesized data to the multiplexed data according to the sub-interface identifier in the synthesized data, and the data rate identification module 303 detects each of the recovered data routing identification and allocation module 305. The rate of the road data is transmitted to the management and maintenance module 304.
  • the sub-interface 301 first converts the restored parallel data into serial data, and then converts the optical signal into an electrical signal through the optical fiber connected to the sub-interface 301. Transfer to the corresponding remote base station.
  • the data processing apparatus disclosed in the foregoing embodiment has the dual functions of data aggregation and data separation. From the perspective of data aggregation, the data processing apparatus disclosed in the foregoing embodiments, the data transmission method provided by the embodiment of the present invention An embodiment includes:
  • the data processing apparatus receives at least two pieces of data sent by at least two remote base stations of the plurality of remote base stations.
  • the data processing device is connected to the plurality of remote base stations, and the plurality of remote base stations can simultaneously send data to the data processing device, or can be sent in time, when the data processing device receives at least two data sent by the at least two remote base stations. After that, data aggregation can be performed.
  • the data processing device When a fiber connected to a data processing device by a remote base station has both receiving and transmitting functions, the data processing device has multiple sub-interfaces, and the sub-identities of each sub-interface are different, when a remote base station and The data processing device has a pair of optical fibers connected, one of which is used for receiving, and the other is used for transmitting, the data processing device has a plurality of sub-interfaces, and one The subinterface identifiers of the interfaces are the same and are different from the other subinterface identifiers of each pair.
  • the synthesizing interfaces When the data processing device is connected to the central station device through an optical fiber having both receiving and transmitting functions, at least one of the synthesizing interfaces; when the data processing device is connected to the central station device through a pair of optical fibers, one of them is used for receiving, When the other one is used for transmission, the composite interface has at least one pair, one for connecting to the receiving fiber and one for connecting to the transmitting fiber.
  • the data processing device aggregates the at least two channels of data into one channel of output data.
  • the concentrating the at least two channels of data into one channel of output data specifically: acquiring a rate of each of the at least two channels of data received, and obtaining a sub-interface identifier for receiving each of the channels of data;
  • the sub-interface identifier corresponding to each data is carried in each path data, and the at least two identifiers carrying the respective sub-interface identifiers are carried.
  • the road data is combined into one output data.
  • At least two channels of data synthesize one output data. In fact, each of the at least two data does not change, but the rate of the synthesized output data is the sum of the rates of each data before synthesis.
  • the threshold rate of the preset synthesized data is 10 Gbps
  • the data processing device receives 10 channels of data
  • the rate of each channel of data is less than or equal to 1 Gbps
  • the 10 channels of data can be combined into one synthesized data.
  • the synthesized data is transmitted to the central station device through the optical fiber connected to the central station device.
  • the central station device provides the reference clock information for each remote base station in the data transmission process.
  • the clock information mentioned in the embodiment of the present invention may refer to the frequency of the harmonics carrying the data.
  • the central station device controls the remote base station clock information under its coverage, so the frequency and phase of the harmonics of the bearer data transmitted by each remote base station are the same, but because the transmission distance of each signal is different, far The phase of the harmonics sent by the base station may be deviated.
  • the data processing device needs to buffer each channel to obtain the phase of the harmonics carrying the at least two channels of data.
  • the reference phase of the harmonics provided by the central station device, and the phase of the harmonics carrying the at least two channels of data is adjusted to the reference phase.
  • the threshold rate of the preset synthesized data is 10 Gbps
  • the data processing device receives 10 channels of data, and the rate of each channel is greater than 1 Gbps
  • the 10 channels of data cannot be combined into one combined data for transmission.
  • the abnormality information needs to be notified to the central station device, and then the data processing device generates an alarm message and transmits the generated alarm information to the central station device.
  • the data processing device sends the output data to the central station device.
  • the central station device provided in the embodiment of the present invention integrates a data processing device, and performs a process opposite to the data processing device provided by the embodiment of the present invention in the data transmission process, when the data processing device in the embodiment of the present invention will have at least two After the road data is aggregated into one output data, the data processing device in the central station device separates the aggregated output data for the central station device to identify which base station transmits the data.
  • the central station device may also not integrate the data processing device, as long as a data processing device is externally attached to the central station device side, so that the external data processing device communicates with the central station device.
  • the data processing device receives at least two pieces of data sent by at least two remote base stations of the plurality of remote base stations, and aggregates the at least two channels of data into one channel of output data, to the The central station device transmits the output data.
  • the data transmission method provided by the embodiment of the present invention is directed to a specific situation (for example, several hundred meters or even several kilometers) of the remote base station in the cloud wireless access network from the central station device.
  • the data processing device can be connected to the central station device through one or a pair of optical fibers, that is, data transmission is realized, and the optical fiber can be saved.
  • another embodiment of the data transmission method provided by the embodiment of the present invention includes:
  • the data processing device receives one way of synthesizing input data sent by the central station device.
  • the central station device provided in the embodiment of the present invention integrates a data processing device.
  • the integrated data processing device follows the data corresponding to FIG. 3 above. Synthesis process, first aggregate several data into one output number According to the data processing device connected to the central station device, the data processing device receives the synthesized data data sent by the central station device.
  • the data processing device restores the synthesized input data to at least two channels of data before synthesis.
  • the data processing device integrated in the central station device is identical to the data processing device in the embodiment of the present invention. Therefore, the sub-interface identifier of the data processing device integrated in the central station device and the sub-interface of the data processing device in the embodiment of the present invention are The logo is the same.
  • the recovering the synthesized input data to the at least two channels of data before the synthesis comprises: parsing the synthesized input data, and acquiring a sub-interface identifier of each data in the synthesized input data; according to the sub-interface identifier, The synthesized input data is restored to at least two pieces of data before synthesis.
  • the process of restoring the synthesized data to the pre-synthesis process does not actually change the data before each synthesis, but the rate of each data back to and before the synthesis.
  • the data processing device parses the synthesized input data, and acquires The sub-interface identifier of each data in the input data is synthesized; if the obtained sub-interface identifiers are 1, 2, and 3, the three-way data is separated according to the three sub-interface identifiers.
  • the data processing device identifies, according to the sub-interfaces in the restored data, the sub-interfaces in the recovered data, and sends the sub-interfaces corresponding to the sub-interfaces to the remote ends connected to the sub-interfaces through the optical fibers. End base station.
  • the optical fiber is connected to the sub-interface. After the data is separated according to the sub-interface identifier, the data is sent from the sub-interface corresponding to the sub-interface identifier to the remote base station connected to the sub-interface through the optical fiber.
  • the data processing device receives one combined input data sent by the central station device, and restores the synthesized input data to at least two channels of data before synthesis, and at least two paths after the recovery.
  • the data is sent to the remote base station connected to the sub-interface through the optical fiber by using the sub-interface corresponding to the sub-interface identifier in the data.
  • the data transmission method provided by the embodiment of the present invention can be made for a remote base station in a cloud wireless access network that is far away from the central station device (several hundred meters, or even several kilometers).
  • the data processing device is connected to the central station device through one or a pair of optical fibers, thereby realizing data transmission and saving fiber. Referring to FIG.
  • an embodiment of a data processing apparatus provided by an embodiment of the present invention includes: multiple or multiple pairs of sub-interfaces 301, at least one or a pair of synthesizing interfaces 306, each or each pair of sub-interfaces 301 having a unique sub-interface An interface identifier, each remote base station is connected to one or a pair of sub-interfaces 301 through one or a pair of optical fibers, and the central station device is connected to one or a pair of the synthesizing interfaces 306 through one or a pair of optical fibers;
  • the sub-interface 301 is configured to receive data sent by a remote base station that is connected to itself through an optical fiber.
  • the data processing unit 307 is configured to aggregate at least two channels of data received by the at least two sub-interfaces 301 into one output data.
  • a synthesis interface 306, configured to send output data synthesized by the data processing unit 307 to the central station device connected to itself through an optical fiber;
  • the synthesizing interface 306 is further configured to receive one way of synthesizing input data sent by the central station device;
  • the data processing unit 307 is further configured to restore the synthesized input data received by the synthesis interface 306 to at least two channels of data before synthesis;
  • the sub-interface 301 is configured to send at least two pieces of data after the data processing unit is restored by 307 yuan to the remote base station connected to the sub-interface through the optical fiber according to the identifier of the sub-interface in each of the recovered data. .
  • each or each pair of sub-interfaces 301 has a unique sub-interface identifier, and each remote base station passes one or a pair.
  • the optical fiber is coupled to one or a pair of sub-interfaces 301, and the central station device is coupled to one or a pair of the composite interfaces 306 via one or a pair of optical fibers; the sub-interface 301 receives a remote connection to itself via an optical fiber.
  • Interface identifier sent to the pass A remote base station that is connected to the sub-interface via an optical fiber.
  • another embodiment of the data processing apparatus provided by the embodiment of the present invention further includes:
  • the first obtaining unit 308 is configured to acquire a rate of each of the at least two channels of data received by the at least two sub-interfaces 301, and acquire a sub-interface identifier that receives the data of each path; the data processing unit 307, Specifically, when the sum of the rates of the at least two pieces of data acquired by the first acquiring unit 308 is less than or equal to the threshold rate of the preset synthesized data, the sub-interface identifier corresponding to each piece of data is carried in each path. In the data, the at least two pieces of data carrying the identifiers of the respective sub-interfaces are combined into one output data.
  • the generating unit 309 is configured to generate alarm information when a sum of rates of the data of each path acquired by the first acquiring unit is greater than a threshold rate of the preset synthesized data;
  • the synthesizing interface 306 is configured to send the alarm information generated by the generating unit to the central station device.
  • the rate of each channel of data is obtained by the first acquiring unit, and the correct processing can be performed according to the rate of each channel of data and each channel of data.
  • the rate of each channel of data is greater than the threshold rate, the time may be timely. Alarm, easy to maintain and manage.
  • another embodiment of the data processing apparatus provided by the embodiment of the present invention further includes:
  • the second obtaining unit 310 is further configured to acquire a phase of a harmonic carrying the at least two channels of data and a reference phase of a harmonic provided by the central station device;
  • the adjusting unit 311 is configured to adjust a phase of the harmonics of the at least two channels of data acquired by the second acquiring unit 310 to the reference phase.
  • the adjustment unit adjusts the harmonic phase of each channel of data to the reference phase according to the reference phase, which facilitates subsequent data convergence.
  • another embodiment of the data processing apparatus provided by the embodiment of the present invention further includes:
  • the parsing unit 312 is configured to parse the synthesized input data
  • the third obtaining unit 313 is further configured to acquire a sub-interface identifier of each channel of the synthesized input data parsed by the parsing unit 312;
  • the data processing unit 307 is specifically configured to restore the synthesized input data to at least two channels of data before synthesis according to the sub-interface identifier acquired by the third acquiring unit 313.
  • the third obtaining unit acquires the sub-interface identifier of each data in the synthesized data parsed by the parsing unit, and the data processing unit separates the data according to the sub-interface identifier.
  • the data processing apparatus can save optical fibers and reduce costs.
  • a person skilled in the art can understand that all or part of the steps of the foregoing embodiments can be completed by a program to instruct related hardware.
  • the program can be stored in a computer readable storage medium.
  • the storage medium can include: ROM, RAM, disk or CD, etc.

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Abstract

本发明公开了一种数据传输的方法，数据处理装置与多个远端基站和一个中心站设备相连接，所述数据处理装置和每个远端基站通过一根或一对光纤相连接，所述数据处理装置与所述中心站设备通过一根或一对光纤相连接；所述方法包括：所述数据处理装置接收所述多个远端基站中至少两个远端基站发送来的至少两路数据，将所述至少两路数据汇聚成一路输出数据，向所述中心站设备发送所述输出数据，或，所述数据处理装置接收所述中心站设备发送来的一路合成输入数据，将所述合成输入数据恢复到合成前的至少两路数据，将所述恢复后的至少两路数据发送给对应的远端基站。本发明实施例提供的方案可以节省光纤。

Description

数据传输的方法、 装置及系统 本申请要求于 2012 年 06 月 15 日提交中国专利局、 申请号为 201210198860.1、 发明名称为 "数据传输的方法、 装置及系统" 的中国专利 申请的优先权， 其全部内容通过引用结合在本申请中。 技术领域
本发明涉及通信技术领域， 具体涉及一种数据传输的方法、 装置及系 统。 背景技术
随着用户所在的区域越来越广泛，远端基站形态已经逐渐从传统宏站 发展到分布式远端基站。 对于分布式远端基站， 射频拉远单元 （RRU, Remote radio unit ) 与基带单元 （BBU, Baseband unit ) 通过光纤直 驱来实现通用公共无线接口 （CPRI, Common public radio interface ) 数据连接。
随着远端基站向云无线接入网络 ( Cloud Radio Acess Network ) 的 发展， BBU规模化集中形成基带单元池（BBU pool ) , 多个远端基站的 RRU 共享 BBU资源， 远端基站地域上分散， 如图 1所示， 每个远端基站与 BBU 之间都通过一根或一对光纤连接， 数据都是通过点对点的进行传输， 这样 需要消耗大量的光纤。 发明内容
本发明实施例提供一种数据传输的方法， 可以节省光纤。 本发明实施 例还提供了相应的数据处理装置及系统。
一种数据传输的方法， 数据处理装置与多个远端基站和一个中心站设 备相连接， 所述数据处理装置和每个远端基站通过一根或一对光纤相连 接， 所述数据处理装置与所述中心站设备通过一根或一对光纤相连接； 所 述方法包括： 所述数据处理装置接收所述多个远端基站中至少两个远端基站发送 来的至少两路数据， 将所述至少两路数据汇聚成一路输出数据， 向所述中 心站设备发送所述输出数据； 或，
所述数据处理装置接收所述中心站设备发送来的一路合成输入数据， 将所述合成输入数据恢复到合成前的至少两路数据， 将所述恢复后的至少 两路数据按照恢复后的每路数据中的子接口标识， 通过所述子接口标识对 应的子接口发送给通过光纤与所述子接口连接的远端基站。 一种数据处理装置， 包括： 多个或多对子接口， 至少一个或一对合成 接口， 每个或每对子接口具有唯一的子接口标识， 每个远端基站通过一根 或一对光纤与一个或一对子接口相连接， 中心站设备通过一个或一对光纤 与所述合成接口中的一个或一对相连接； 所述子接口， 用于接收通过光纤与自身相连接的远端基站发送来的数 据；
数据处理单元， 用于将所述至少两个子接口接收到的至少两路数据汇 聚成一路输出数据； 合成接口， 用于向通过光纤与自身相连接的中心站设备发送所述数据 处理单元合成的输出数据； 所述合成接口， 还用于接收所述中心站设备发送来的一路合成输入数 据； 所述数据处理单元， 还用于将所述合成接口接收到的合成输入数据恢 复到合成前的至少两路数据；
所述子接口， 用于将所述数据处理单元恢复后的至少两路数据按照恢 复后的每路数据中的子接口标识， 发送给通过光纤与所述子接口连接的远 端基站。
一种数据传输的系统， 包括： 多个远端基站、 一个数据处理装置和一 个中心站设备， 所述中心站设备集成有一个数据处理装置； 所述数据处理装置与每个远端基站通过一根或一对光纤相连接， 所述 数据处理装置与所述中心站设备通过一根或一对光纤相连接； 所述数据处理装置， 用于接收所述多个远端基站中至少两个远端基站 发送来的至少两路数据， 将所述至少两路数据汇聚成一路输出数据， 向所 述中心站设备发送所述输出数据；
所述中心站设备， 用于接收所述数据处理装置发送来的输出数据， 将 所述输出数据恢复到合成前的至少两路数据， 再识别所述至少两路数据， 以实现中心站设备与远端基站的通信；
所述中心站设备， 还用于将发送给与所述数据处理装置相连接的至少 两个远端基站的两路数据汇聚成一路， 将汇聚后的合成输入数据发送给所 述数据处理装置； 所述数据处理装置， 还用于接收所述中心站设备发送来的合成输入数 据， 将所述合成输入数据恢复到合成前的至少两路数据， 将所述恢复后的 至少两路数据按照恢复后的每路数据中的子接口标识， 通过所述子接口标 识对应的子接口发送给通过光纤与所述子接口连接的远端基站。
一种数据传输的系统， 包括： 多个远端基站、 一个第一数据处理装置 和一个中心站设备， 所述中心站设备集成有一个第二数据处理装置； 所述第一数据处理装置与每个远端基站通过一根或一对光纤相连接， 所述第一数据处理装置与所述中心站设备通过一根或一对光纤相连接； 所述第一数据处理装置， 用于接收所述多个远端基站中至少两个远端 基站发送来的至少两路数据， 将所述至少两路数据汇聚成一路输出数据， 向所述中心站设备发送所述输出数据；
所述第二数据处理装置， 用于接收所述第一数据处理装置发送来的输 出数据， 将所述输出数据恢复到合成前的至少两路数据， 再识别所述至少 两路数据， 以实现中心站设备与远端基站的通信；
所述第二数据处理装置， 还用于将所述中心站设备要发送给与所述第 一数据处理装置相连接的至少两个远端基站的两路数据汇聚成一路， 将汇 聚后的合成输入数据发送给所述第一数据处理装置； 所述第一数据处理装置， 还用于接收所述中心站设备发送来的合成输 入数据， 将所述合成输入数据恢复到合成前的至少两路数据， 将所述恢复 后的至少两路数据按照恢复后的每路数据中的子接口标识， 通过所述子接 口标识对应的子接口发送给通过光纤与所述子接口连接的远端基站。 —种数据传输的系统， 包括： 多个远端基站、 多个第一数据处理装置 和一个中心站设备， 所述中心站设备集成有一个第二数据处理装置； 每个第一数据处理装置上连接有多个远端基站， 并且每个远端基站只 与一个第一数据处理装置相连接， 所述每个第一数据处理装置与其相连接 的远端基站通过一根或一对光纤相连接， 所述每个第一数据处理装置与所 述中心站设备通过一根或一对光纤相连接； 所述第一数据处理装置， 用于接收与其相连接的多个远端基站中至少 两个远端基站发送来的至少两路数据， 将所述至少两路数据汇聚成一路输 出数据， 向所述中心站设备发送所述输出数据； 所述第二数据处理装置， 用于接收所述第一数据处理装置发送来的输 出数据， 将所述输出数据恢复到合成前的至少两路数据， 再识别所述至少 两路数据， 以实现中心站设备与远端基站的通信；
所述第二数据处理装置， 还用于将所述中心站设备发送给与一个第一 数据处理装置相连接的至少两个远端基站的两路数据汇聚成一路， 将汇聚 后的合成输入数据发送给与所述至少两个远端基站相连接的第一数据处 理装置； 所述第一数据处理装置， 还用于接收所述中心站设备发送来的合成输 入数据， 将所述合成输入数据恢复到合成前的至少两路数据， 将所述恢复 后的至少两路数据按照恢复后的每路数据中的子接口标识， 通过所述子接 口标识对应的子接口发送给通过光纤与所述子接口连接的远端基站。 一种数据传输的系统， 包括： 多个远端基站、一个第一数据处理装置、 一个第二数据处理装置和一个中心站设备， 所述第二数据处理装置外置于 所述中心站设备， 并且所述中心站设备与所述第二数据处理装置通信连 接； 所述第一数据处理装置与每个远端基站通过一根或一对光纤相连接， 所述第一数据处理装置与所述第二数据处理装置通过一根或一对光纤相 连接； 所述第一数据处理装置， 用于接收所述多个远端基站中至少两个远端 基站发送来的至少两路数据， 将所述至少两路数据汇聚成一路输出数据， 向所述第二数据处理装置发送所述输出数据；
所述第二数据处理装置， 用于接收所述第一数据处理装置发送来的输 出数据， 将所述输出数据恢复到合成前的至少两路数据， 再识别所述至少 两路数据， 以实现中心站设备与远端基站的通信； 所述第二数据处理装置， 还用于将中心站设备要发送给至少两个远端 基站的两路数据汇聚成一路， 将汇聚后的合成输入数据发送给所述第一数 据处理装置； 所述第一数据处理装置， 还用于接收所述第二数据处理装置发送来的 合成输入数据， 将所述合成输入数据恢复到合成前的至少两路数据， 将所 述恢复后的至少两路数据按照恢复后的每路数据中的子接口标识， 通过所 述子接口标识对应的子接口发送给通过光纤与所述子接口连接的远端基 站。
一种数据传输的系统， 包括： 多个远端基站、 多个第一数据处理装置、 一个第二数据处理装置和一个中心站设备， 所述第二数据处理装置外置于 所述中心站设备， 并且所述中心站设备与所述第二数据处理装置通信连 接；
每个第一数据处理装置上连接有多个远端基站， 并且每个远端基站只 与一个第一数据处理装置相连接， 所述每个第一数据处理装置与其相连接 的远端基站通过一根或一对光纤相连接， 所述每个第一数据处理装置与所 述第二数据处理装置通过一根或一对光纤相连接； 所述第一数据处理装置， 用于接收与其相连接的多个远端基站中至少 两个远端基站发送来的至少两路数据， 将所述至少两路数据汇聚成一路输 出数据， 向所述第二数据处理装置发送所述输出数据； 所述第二数据处理装置， 用于接收所述第一数据处理装置发送来的输 出数据， 将所述输出数据恢复到合成前的至少两路数据， 再识别所述至少 两路数据， 以实现中心站设备与远端基站的通信；
所述第二数据处理装置， 还用于将中心站设备要发送给与一个第一数 据处理装置相连接的至少两个远端基站的两路数据汇聚成一路， 将汇聚后 的合成输入数据发送给与所述至少两个远端基站相连接的第一数据处理 装置；
所述第一数据处理装置， 还用于接收所述第二数据处理装置发送来的 合成输入数据， 将所述合成输入数据恢复到合成前的至少两路数据， 将所 述恢复后的至少两路数据按照恢复后的每路数据中的子接口标识， 通过所 述子接口标识对应的子接口发送给通过光纤与所述子接口连接的远端基 站。 本发明实施例釆用数据处理装置与多个远端基站和一个中心站设备 相连接， 所述数据处理装置和每个远端基站通过一根或一对光纤相连接， 所述数据处理装置与所述中心站设备通过一根或一对光纤相连接； 所述方 法包括： 所述数据处理装置接收所述多个远端基站中至少两个远端基站发 送来的至少两路数据， 将所述至少两路数据汇聚成一路输出数据， 向所述 中心站设备发送所述输出数据； 或， 所述数据处理装置接收所述中心站设 备发送来的一路合成输入数据， 将所述合成输入数据恢复到合成前的至少 两路数据， 将所述恢复后的至少两路数据按照恢复后的每路数据中的子接 口标识， 通过所述子接口标识对应的子接口发送给通过光纤与所述子接口 连接的远端基站。 与现有技术中每个远端基站都通过一根或一对光纤与中 心站设备相连相比， 本发明实施例提供的数据传输方案， 可以针对比如远 端基站在云无线接入网络中距离中心站设备有一段距离 （比如几百米、 甚 至几公里） 的情况， 可以通过数据处理装置对数据进行处理， 数据处理装 置与每个远端基站通过一根或一对光纤相连， 但与中心站设备只需一根或 一对光纤相连， 从而节省了大量的光纤。 附图说明 图 1是现有技术中数据传输架构结构图；
图 2是本发明实施例提供的系统的一实施例示意图；
图 3是本发明实施例提供的系统的另一实施例示意图；
图 4是本发明实施例提供的系统的另一实施例示意图；
图 5是本发明实施例提供的系统的另一实施例示意图；
图 6是本发明实施例提供的系统的另一实施例示意图；
图 7是本发明实施例提供的系统的另一实施例示意图；
图 8是本发明实施例提供的系统的另一实施例示意图；
图 9是本发明实施例提供的数据传输的方法的一实施例示意图； 图 1 0是本发明实施例提供的数据传输的方法的另一实施例示意图； 图 1 1是本发明实施例提供的数据处理装置的一实施例示意图； 图 1 2是本发明实施例提供的数据处理装置的另一实施例示意图； 图 1 3是本发明实施例提供的数据处理装置的一实施例示意图； 图 14是本发明实施例提供的数据处理装置的一实施例示意图。 具体实施方式 本发明实施例提供一种数据传输的方法， 可以节省光纤。 本发明实施 例还提供了相应的数据处理装置及系统。 以下分别进行详细说明。 本发明实施例中的中心站设备可以为基带处理单元 （BBU, Building Base band Unit)或者 BBU集中的设备， 远端基站可以包括射频拉远单元 ( RRU, Remote Radio Unit ) 和 /或为 RRU供电的设备。 参阅图 1 , 图 1为现有技术中远端基站与中心站设备连接示意图， 从图 1中可以看出， 每个远端基站 40与中心站设备 50都通过一根或一对光纤连 接， 当远端基站与中心站设备距离几公里远时， 需要消耗大量的光纤。
参阅图 2 , 本发明实施例提供的数据传输的系统的一实施例包括： 多 个远端基站 40、 一个第一数据处理装置 60和一个中心站设备 50 , 所述中心 站设备 50集成有一个第二数据处理装置 70 , 第二数据处理装置 70与第一数 据处理装置 60的结构和功能都相同， 只是在数据处理的过程中执行与第一 数据处理装置 60相反的过程；
所述第一数据处理装置 60与每个远端基站 40通过一根或一对光纤相 连接， 所述第一数据处理装置 60与所述中心站设备 50通过一根或一对光纤 相连接；
所述第一数据处理装置 60 , 用于接收所述多个远端基站中至少两个远 端基站发送来的至少两路数据， 将所述至少两路数据汇聚成一路输出数 据， 向所述中心站设备发送所述输出数据；
所述第二数据处理装置 70 , 用于接收所述第一数据处理装置发送来的 输出数据， 将所述输出数据恢复到合成前的至少两路数据， 再识别所述至 少两路数据， 以实现中心站设备与远端基站的通信；
所述第二数据处理装置 70 , 还用于将发送给与所述第一数据处理装置 相连接的至少两个远端基站的两路数据汇聚成一路， 将汇聚后的合成输入 数据发送给所述第一数据处理装置；
所述第一数据处理装置 60 , 还用于接收所述中心站设备发送来的合成 输入数据， 将所述合成输入数据恢复到合成前的至少两路数据， 将所述恢 复后的至少两路数据按照恢复后的每路数据中的子接口标识， 通过所述子 接口标识对应的子接口发送给通过光纤与所述子接口连接的远端基站。
第一数据处理装置 60与多个远端基站 40和一个中心站设备 50相连接， 所述第一数据处理装置 60和每个远端基站 40通过一根或一对光纤相连接， 所述第一数据处理装置 60与所述中心站设备 50通过一根或一对光纤相连 接。 这样， 在远端基站 40与中心站设备 50有一段距离时， 第一数据处理装 置 60与中心站设备 50只通过一根或一对光纤相连， 从而节省了大量的光 纤。
本发明实施例中的一根就是物理意义上的一根， 这根光纤既能接收信 号又能发送信号。 一对就是物理意义上的两根， 这两根光纤一根用来接收 信号， 另一根用来发送信号。
第一数据处理装置 60在数据传输系统中主要起数据汇聚和数据分离 两方面的作用。 数据汇聚的过程中， 第一数据处理装置 60用于接收与其相连接的至少 两个远端基站发送来的至少两路数据， 将所述至少两路数据汇聚成一路输 出数据， 向所述中心站设备发送所述输出数据； 中心站设备 50用于将接收 所述第一数据处理装置 60发送来的输出数据， 将所述输出数据恢复到合成 前的至少两路数据， 再识别所述至少两路数据， 以实现中心站设备 50与远 端基站 40的通信。
数据分离的过程中， 中心站设备 50中的第二数据处理装置 70将发送给 与一个第一数据处理装置 60相连接的至少两个远端基站的两路数据汇聚 成一路， 将汇聚后的合成输入数据发送给与所述至少两个远端基站 40相连 接的第一数据处理装置 60 ; 第一数据处理装置 60接收所述中心站设备 50发 送来的合成输入数据， 将所述合成输入数据恢复到合成前的至少两路数 据， 将所述恢复后的至少两路数据按照恢复后的每路数据中的子接口标 识， 通过所述子接口标识对应的子接口发送给通过光纤与所述子接口连接 的远端基站 40。
在本发明实施例的一个实施场景中， 本发明实施例的中心站设备 50中 集成有一个第二数据处理装置 70 , 中心站设备 50中集成的第二数据处理装 置 70在数据处理的过程中执行与第一数据处理装置 60相反的过程， 当第一 数据处理装置 60将至少两路数据汇聚成合成数据后， 将合成数据发送给中 心站设备 50 , 中心站设备 50中集成的这个第二数据处理装置 70将该合成数 据恢复到合成前的至少两路数据， 供中心站设备 50识别每个远端基站 40的 信息。 反之， 中心站设备 50要给至少两个远端基站发送数据时， 该集成的 第二数据处理装置 70要将要发送的至少两路数据汇聚成一路合成输入数 据， 然后发送给第一数据处理装置 60 , 该第一数据处理装置 60再执行合成 数据分离的过程， 再将恢复后的至少两路数据发送给对应的远端基站 40。
参阅图 3 , 本发明实施例提供的数据传输的系统的另一实施例包括： 多个远端基站 40、 多个第一数据处理装置 60和一个中心站设备 50 , 所述中 心站设备 50集成有一个第二数据处理装置 70 ;
每个第一数据处理装置 60上连接有多个远端基站 40 , 并且每个远端基 站只与一个第一数据处理装置 60相连接， 所述每个第一数据处理装置 60与 其相连接的远端基站 40通过一根或一对光纤相连接， 所述每个第一数据处 理装置 60与所述中心站设备 50通过一根或一对光纤相连接；
所述第一数据处理装置 60 , 用于接收与其相连接的多个远端基站中至 少两个远端基站发送来的至少两路数据， 将所述至少两路数据汇聚成一路 输出数据， 向所述中心站设备发送所述输出数据；
所述第二数据处理装置 70 , 用于接收所述第一数据处理装置发送来的 输出数据， 将所述输出数据恢复到合成前的至少两路数据， 再识别所述至 少两路数据， 以实现中心站设备与远端基站的通信；
所述第二数据处理装置 70 , 还用于将所述中心站设备发送给与一个第 一数据处理装置相连接的至少两个远端基站的两路数据汇聚成一路， 将汇 聚后的合成输入数据发送给与所述至少两个远端基站相连接的第一数据 处理装置；
所述第一数据处理装置 60 , 还用于接收所述中心站设备发送来的合成 输入数据， 将所述合成输入数据恢复到合成前的至少两路数据， 将所述恢 复后的至少两路数据按照恢复后的每路数据中的子接口标识， 通过所述子 接口标识对应的子接口发送给通过光纤与所述子接口连接的远端基站。
每个第一数据处理装置 60与多个远端基站 40相连接， 并且每个远端基 站 40只与一个第一数据处理装置 60相连接， 所述每个第一数据处理装置 60 与其相连接的远端基站通过一根或一对光纤相连接， 所述每个第一数据处 理装置 60与所述中心站设备 50通过一根或一对光纤相连接。
当远端基站 404艮多， 并且局部地理区域集中时， 可以通过本实施例中 提供的方案进行布局。这样，在远端基站 40与中心站设备 50有一段距离时， 第一数据处理装置 60与中心站设备 50只通过一根或一对光纤相连， 从而节 省了大量的光纤。
本发明实施例中第一数据处理装置 60可以部署多个， 针对局部地理区 域集中的多个远端基站设置一个第一数据处理装置 60 , 第一数据处理装置 60的作用与图 2对应的实施例中的第一数据处理装置 60相同， 在此不再做 详细赘述。
当有多个第一数据处理装置 60要与中心站设备 50连接， 而且每个第一 数据处理装置 60距离中心站设备 50都很远时， 可以将需要与中心站设备 50 连接的第一数据处理装置 60首先与一个透传数据处理装置连接， 然后透传 数据处理装置再通过一根或一对光纤与与中心站设备 50连接， 这样进一步 节省了光纤。
透传数据处理装置与第一数据处理装置 60的功能可以相同， 只要是在 这种场景下能够起透传 /中继的作用模块 /设备都可以， 以便进一步节省光 纤。
参阅图 4 , 本发明实施例提供的数据传输的系统的另一实施例包括： 多个远端基站 40、 一个第一数据处理装置 60、 一个第二数据处理装置 70和 一个中心站设备 50 , 所述中心站设备 50与所述第二数据处理装置 70通信连 接；一种实施场景中，所述第二数据处理装置 70可以外置于中心站设备 50。
所述第一数据处理装置 60与每个远端基站 40通过一根或一对光纤相 连接， 所述第一数据处理装置 60与所述第二数据处理装置 70通过一根或一 对光纤相连接；
所述第一数据处理装置 60 , 用于接收所述多个远端基站中至少两个远 端基站发送来的至少两路数据， 将所述至少两路数据汇聚成一路输出数 据， 向所述第二数据处理装置发送所述输出数据；
所述第二数据处理装置 70 , 用于接收所述第一数据处理装置发送来的 输出数据， 将所述输出数据恢复到合成前的至少两路数据， 再识别所述至 少两路数据， 以实现中心站设备与远端基站的通信；
所述第二数据处理装置 70 , 还用于将中心站设备 50要发送给至少两个 远端基站的两路数据汇聚成一路， 将汇聚后的合成输入数据发送给所述第 一数据处理装置；
所述第一数据处理装置 60 , 还用于接收所述第二数据处理装置发送来 的合成输入数据， 将所述合成输入数据恢复到合成前的至少两路数据， 将 所述恢复后的至少两路数据按照恢复后的每路数据中的子接口标识， 通过 所述子接口标识对应的子接口发送给通过光纤与所述子接口连接的远端 基站。
所述第一数据处理装置 60与每个远端基站 40通过一根或一对光纤相 连接， 所述第一数据处理装置 60与所述第二数据处理装置 70通过一根或一 对光纤相连接； 这样， 在远端基站 40与中心站设备 50有一段距离时， 数据 处理装置 30与中心站设备 50只通过一根或一对光纤相连， 从而节省了大量 的光纤。
本实施例中第一数据处理装置 60和第二数据处理装置 70在数据传输 系统中起数据汇聚和 /或数据分离两方面的作用，这两个数据处理装置在数 据处理过程中起相反的作用。 例如： 当数据处理装置 60将至少两路数据汇 聚后， 将汇聚后的合成数据发送给第二数据处理装置 70 , 第二数据处理装 置 70将该合成数据分离， 反之， 第二数据处理装置 70将至少两路数据汇聚 后， 将合成数据发送给第一数据处理装置 60 , 第一数据处理装置 60将该合 成数据分离， 并将恢复后的至少两路数据发送给对应的远端基站 40。
本发明实施例的一个具体实施场景：
第一数据处理装置 60接收所述多个远端基站中至少两个远端基站发 送来的至少两路数据， 将所述至少两路数据汇聚成一路输出数据， 向所述 第二数据处理装置发送所述输出数据； 第二数据处理装置 70将接收所述第 一数据处理装置 60发送来的输出数据， 将所述输出数据恢复到合成前的至 少两路数据， 再识别所述至少两路数据， 以实现中心站设备 50与远端基站 40的通信；
第二数据处理装置 70将发送给与第一数据处理装置 60相连接的至少 两个远端基站的两路数据汇聚成一路， 将汇聚后的数据发送给与所述至少 两个远端基站相连接的第一数据处理装置 60 ; 所述第一数据处理装置 60接 收所述第二数据处理装置 70发送来的合成输入数据， 将所述合成输入数据 恢复到合成前的至少两路数据， 将所述恢复后的至少两路数据按照恢复后 的每路数据中的子接口标识， 通过所述子接口标识对应的子接口发送给通 过光纤与所述子接口连接的远端基站 40。
中心站设备 50只针对每个远端基站 40生成数据， 中心站设备生成要发 送给至少两个远端基站 40的至少两路数据后， 该两路数据要经过第二数据 处理装置 70汇聚成一路合成输入数据， 发送给第一数据处理装置 60。
参阅图 5 , 本发明实施例提供的数据传输的系统的另一实施例包括： 多个远端基站 40、 多个第一数据处理装置 60、 一个第二数据处理装置 70和 一个中心站设备 50 , 所述中心站设备 50与所述第二数据处理装置 70通信连 接； 一种实施场景中， 第二数据处理装置 70外置于中心站设备 50。
每个第一数据处理装置 60上连接有多个远端基站 40 , 并且每个远端基 站 40只与一个第一数据处理装置 60相连接， 所述每个第一数据处理装置 60 与其相连接的远端基站 40通过一根或一对光纤相连接， 所述每个第一数据 处理装置 60与所述第二数据处理装置 70通过一根或一对光纤相连接；
所述第一数据处理装置 60 , 用于接收与其相连接的多个远端基站中至 少两个远端基站发送来的至少两路数据， 将所述至少两路数据汇聚成一路 输出数据， 向所述第二数据处理装置发送所述输出数据；
所述第二数据处理装置 70 , 用于接收所述第一数据处理装置发送来的 输出数据， 将所述输出数据恢复到合成前的至少两路数据， 再识别所述至 少两路数据， 以实现中心站设备与远端基站的通信；
所述第二数据处理装置 70 , 还用于将中心站设备要发送给与一个第一 数据处理装置相连接的至少两个远端基站的两路数据汇聚成一路， 将汇聚 后的合成输入数据发送给与所述至少两个远端基站相连接的第一数据处 理装置；
所述第一数据处理装置 60 , 还用于接收所述第二数据处理装置发送来 的合成输入数据， 将所述合成输入数据恢复到合成前的至少两路数据， 将 所述恢复后的至少两路数据按照恢复后的每路数据中的子接口标识， 通过 所述子接口标识对应的子接口发送给通过光纤与所述子接口连接的远端 基站。
当远端基站 404艮多， 并且局部地理区域集中时， 可以通过本实施例中 提供的方案进行布局。 这样， 在远端基站 40与中心站设备 50距离很远时， 第一数据处理装置 60与中心站设备 50只通过一根或一对光纤相连， 从而节 省了大量的光纤。
本发明实施例中可以部署更多的第一数据处理装置 60 , 针对局部地理 区域集中的多个远端基站设置一个第一数据处理装置 60 , 第一数据处理装 置 60的作用可以与图 4对应的实施例中的第一数据处理装置 60相同， 在此 不再做详细赘述。
参阅图 6 , 本发明实施例提供的数据传输的系统的另一实施例包括： 远端基站 40通过光纤与数据处理装置 30的子接口 301连接， 至少两个 远端基站 40的至少两路数据分别从与数据处理装置 30连接的光纤进入子 接口 301 , 在上行方向， 所述至少两路数据经过数据处理装置汇聚处理后， 通过合成接口 306发送给与所述合成接口 306通过光纤连接的中心站设备 50。 相反的， 下行方向， 中心站设备 50要将至少两路数据发送给至少两个 远端基站 40时， 先通过中心站设备 50自身集成的数据处理装置先将要发送 的至少两路数据汇聚， 将汇聚后的合成数据通过光纤发送给数据处理装置 30 , 数据处理装置 30再将该合成数据分离， 将恢复后的至少两路数据通过 不同的子接口 301发送给对应的远端基站 40。 图 6中， 所述数据处理装置 30 可以配置两个合成接口 306 , 其中一个与中心站设备 50相连接， 另一个合 成接口 306与一个透传数据处理装置 20连接， 透传数据处理装置 20的作用 是当有多个数据处理装置 30要与中心站设备连接， 而且距离中心站设备 50 都很远时， 可以先将要与中心站设备 50连接的数据处理装置 30先与透传数 据处理装置 20连接， 然后透传数据处理装置 20再通过一根或一对光纤与与 中心站设备 50连接， 这样进一步节省了光纤。
数据处理装置 30进行数据汇聚与分离的具体过程参阅图 7进行详细描 述：
数据处理装置 30用于数据汇聚的过程如下： 子接口 301将接收到的光 信号转换为电信号， 并将串行信号转换为并行信号， 并通过时钟模块 302 提取数据的基准时钟， 从而将每路数据的时钟信息调整为基准时钟信息， 这个过程可以参阅图 8进行理解， 光电转换模块 301 1将接收到的光信号转 换为电信号， 串并行转换模块 3012再将串行信号转换为并行信号。 时钟模 块 302从子接口 301处理过的数据中提取时钟信息， 输出基准时钟， 以这个 基准时钟为参考时钟， 产生数据处理所需要的时钟， 本发明实施例中所提 到的时钟信息可以是指承载数据的谐波的的频率和相位。 数据速率识别模 块 303检测每个子接口 301转换为并行后的数据的速率， 当每路数据的速率 之和大于预置的合成数据的门限速率时， 生成报警信息； 管理与维护模块 304釆集数据速率识别模块 303生产的报警信息， 并将报警信息传递给数据 路由识别与分配模块 305 , 通过所述数据路由识别与分配模块 305将所述报 警信息上报给中心站设备 50。 当每路数据的速率之和小于等于预置的合成 数据的门限速率时， 管理与维护模块 304指示数据路由识别与分配模块 305 将几路数据合成一路输出数据， 合成接口 306将合成输出数据由并行信号 转换为串行信号， 再将电信号转换为光信号， 通过与合成接口 306光纤传 输给中心站设备 50。
数据处理装置 30用于数据分离的过程如下：
数据分离的过程与数据汇聚的过程相反： 中心站设备 50的通过光纤与 合成接口 306连接， 合成接口 306接收到输入合成数据后， 首先将光信号转 化成电信号， 将串行数据转换成并行数据； 数据路由识别与分配模块 305 处理来自合成接口的数据， 根据合成数据中的子接口标识将合成数据恢复 成多路数据， 数据速率识别模块 303检测数据路由识别与分配模块 305恢复 后的各路数据的速率， 并将速率信息传输给管理与维护模块 304 , 子接口 301首先将恢复后的并行数据转换为串行数据， 然后将光信号转换为电信 号， 通过与子接口 301连接的光纤传输给对应的远端基站。 参阅图 9 , 上述实施例揭示的数据处理装置具有数据汇聚与数据分离 双重功能，从数据汇聚的角度来看，基于上述实施例揭示的数据处理装置， 本发明实施例提供的数据传输的方法的一实施例包括：
101、 数据处理装置接收所述多个远端基站中至少两个远端基站发送 来的至少两路数据。
数据处理装置与多个远端基站相连， 多个远端基站可以同时给数据处 理装置发送数据， 也可以分时发送， 当数据处理装置接收到至少两个远端 基站发送来的至少两路数据后， 可以进行数据汇聚。
当一个远端基站与数据处理装置连接的一根光纤同时具有接收和发 送功能时， 该数据处理装置的子接口有多个， 而且每个子接口的子标识都 不相同， 当一个远端基站与数据处理装置连接的光纤有一对， 其中一根用 于接收， 另外一根用于发送时， 该数据处理装置的子接口有多对， 而且一 对接口的子接口标识相同， 并且与其他每对的子接口标识都不相同。 当数 据处理装置通过一根同时具有接收和发送功能的光纤与中心站设备连接 时， 合成接口至少有一个； 当数据处理装置通过一对光纤与中心站设备连 接时， 其中一根用于接收， 另外一根用于发送时， 合成接口至少有一对， 一个用来与接收光纤连接， 一个用来与发送光纤连接。
对子接口和合成接口的类型没有具体的限定， 只要能传输通用无线接 口 ( CPRI, Common public radio interface )数据^可。
102、 数据处理装置将所述至少两路数据汇聚成一路输出数据。
所述将所述至少两路数据汇聚成一路输出数据， 具体包括： 获取接收 到的所述至少两路数据中每路数据的速率， 并获取接收所述每路数据的子 接口标识； 当所述至少两路数据的速率之和小于等于预置的合成数据的门 限速率时， 将所述每路数据对应的子接口标识携带在各路数据中， 将所述 携带各自子接口标识的至少两路数据合并成一路输出数据。 至少两路数据 合成一路输出数据， 实际上， 至少两路数据中的每路数据都没发生变化， 只是合成后的输出数据的速率为合成前的每路数据的速率之和。
举例来说， 假如预置的合成数据的门限速率为 lOGbps, 数据处理装置 接收到了 10路数据， 每路数据的速率都小于或等于 lGbps, 那么就可以将 这 10路数据合并成一路合成数据， 将合成后的数据通过与中心站设备连接 的光纤传输给中心站设备。
在一个实施场景下， 在数据传输过程中， 中心站设备为每个远端基站 提供基准的时钟信息， 本发明实施例中所提到的时钟信息可以是指承载数 据的谐波的的频率和相位， 由中心站设备控制其覆盖下的远端基站时钟信 息， 所以每个远端基站发送的承载数据的谐波的频率和相位是相同的， 但 是， 由于每路信号的传输距离不同， 远端基站发送的谐波的相位可能会产 生偏差， 这时数据处理装置在接收到至少两路数据后， 需要先将每路数据 进行緩存， 获取承载所述至少两路数据的谐波的相位和中心站设备提供的 谐波的基准相位， 并将承载所述至少两路数据的谐波的相位调整到所述基 准相位。
在一个实施场景下， 当所述每路数据的速率之和大于预置的合成数据 的门限速率时， 生成报警信息； 发送所述报警信息给中心站设备。
举例来说， 假如预置的合成数据的门限速率为 lOGbps, 数据处理装置 接收到了 10路数据， 每路数据的速率都大于 lGbps, 那么就无法将这 10路 数据合并成一路合成数据进行传输， 需要将这种异常信息通知给中心站设 备， 那么数据处理装置生成报警信息， 将生成的报警信息发送给中心站设 备。
103、 数据处理装置向所述中心站设备发送所述输出数据。
本发明实施例中提供的中心站设备集成有一个数据处理装置， 在数据 传输过程中执行与本发明实施例提供的数据处理装置相反的过程， 当本发 明实施例中的数据处理装置将至少两路数据汇聚成一路输出数据后， 中心 站设备中的数据处理装置将所述汇聚的输出数据分离开， 供中心站设备识 别是哪个基站发送过来的数据。
实际上， 中心站设备也可以不集成数据处理装置， 只要在中心站设备 一侧外挂一个数据处理装置， 使外挂的数据处理装置与所述中心站设备通 信即可。
本发明实施例中， 所述数据处理装置接收所述多个远端基站中至少两 个远端基站发送来的至少两路数据， 将所述至少两路数据汇聚成一路输出 数据， 向所述中心站设备发送所述输出数据。 与现有技术相比， 本发明实 施例提供的数据传输的方法， 针对于远端基站在云无线接入网络中距离中 心站设备有一段具体（比如几百米、 甚至几公里） 的情况， 可以使数据处 理装置与中心站设备通过一根或一对光纤相连接， 即实现了数据传输， 又 可以节省光纤。 参阅图 10 , 从数据分离的角度来看， 基于上述数据处理装置， 本发明 实施例提供的数据传输的方法的另一实施例包括：
201、 数据处理装置接收所述中心站设备发送来的一路合成输入数据。 本发明实施例中提供的中心站设备集成有一个数据处理装置， 在中心 站设备要将几路数据发送给几个不同的远端基站时， 通过集成的数据处理 装置按照上述图 3对应的数据合成过程， 先将几路数据汇聚成一路输出数 据， 发送给与中心站设备连接的数据处理装置， 所述数据处理装置接收到 中心站设备发送来的合成数据数据。
202、 数据处理装置将所述合成输入数据恢复到合成前的至少两路数 据。
中心站设备中集成的数据处理装置与本发明实施例中的数据处理装 置完全相同， 所以， 中心站设备中集成的数据处理装置的子接口标识与本 发明实施例中的数据处理装置的子接口标识是相同的。
所述将所述合成输入数据恢复到合成前的至少两路数据， 具体包括： 解析所述合成输入数据， 获取所述合成输入数据中每路数据的子接口标 识； 按照所述子接口标识， 将所述合成输入数据恢复到合成前的至少两路 数据。 将合成数据恢复到合成前的过程实际上没有对改变每路合成前的数 据， 只是每路数据的速率回到和合成前的速率。
举例来说， 假如数据处理装置中的子接口标识分别为 1、 2、 3、 4、 5、 6、 7、 8 ; 数据处理装置接收到合成输入数据后， 解析所述合成输入数据， 获取所述合成输入数据中每路数据的子接口标识； 假如获取到的子接口标 识为 1、 2、 3 , 那么按照这三个子接口标识将三路数据分离开。
203、 数据处理装置将所述恢复后的至少两路数据按照恢复后的每路 数据中的子接口标识， 通过所述子接口标识对应的子接口发送给通过光纤 与所述子接口连接的远端基站。
因为光纤与子接口相连， 数据按照子接口标识分离后， 从所述子接口 标识对应的子接口发送给通过光纤与所述子接口连接的远端基站。
本发明实施例中， 所述数据处理装置接收所述中心站设备发送来的一 路合成输入数据， 将所述合成输入数据恢复到合成前的至少两路数据， 将 所述恢复后的至少两路数据按照恢复后的每路数据中的子接口标识， 通过 所述子接口标识对应的子接口发送给通过光纤与所述子接口连接的远端 基站。 与现有技术相比， 本发明实施例提供的数据传输的方法， 针对于远 端基站在云无线接入网络中距离中心站设备很远（几百米、 甚至几公里） 的情况， 可以使数据处理装置与中心站设备通过一根或一对光纤相连接， 即实现了数据传输， 又可以节省光纤。 参阅图 1 1 , 本发明实施例提供的数据处理装置的一实施例包括： 多个 或多对子接口 301 , 至少一个或一对合成接口 306 , 每个或每对子接口 301 具有唯一的子接口标识， 每个远端基站通过一根或一对光纤与一个或一对 子接口 301相连接， 中心站设备通过一个或一对光纤与所述合成接口 306中 的一个或一对相连接；
所述子接口 301 , 用于接收通过光纤与自身相连接的远端基站发送来 的数据；
数据处理单元 307 , 用于将所述至少两个子接口 301接收到的至少两路 数据汇聚成一路输出数据；
合成接口 306 , 用于向通过光纤与自身相连接的所述中心站设备发送 所述数据处理单元 307合成的输出数据；
所述合成接口 306 , 还用于接收所述中心站设备发送来的一路合成输 入数据；
所述数据处理单元 307 , 还用于将所述合成接口 306接收到的合成输入 数据恢复到合成前的至少两路数据；
所述子接口 301 , 用于将所述数据处理单 307元恢复后的至少两路数据 按照恢复后的每路数据中的子接口标识， 发送给通过光纤与所述子接口连 接的远端基站。
本发明实施例中， 多个或多对子接口 301 , 至少一个或一对合成接口 306 , 每个或每对子接口 301具有唯一的子接口标识， 每个远端基站通过一 根或一对光纤与一个或一对子接口 301相连接， 中心站设备通过一个或一 对光纤与所述合成接口 306中的一个或一对相连接； 所述子接口 301接收通 过光纤与自身相连接的远端基站发送来的数据； 数据处理单元 307将所述 至少两个子接口 301接收到的至少两路数据汇聚成一路输出数据； 合成接 口 306向通过光纤与自身相连接的所述中心站设备发送所述数据处理单元 307合成的输出数据； 所述合成接口 306接收所述中心站设备发送来的一路 合成输入数据； 数据处理单元 307将所述合成接口 306接收到的合成输入数 据恢复到合成前的至少两路数据； 所述子接口 301将所述数据处理单 307元 恢复后的至少两路数据按照恢复后的每路数据中的子接口标识， 发送给通 过光纤与所述子接口连接的远端基站。
在上述图 11对应的实施例的基础上， 参阅图 12 , 本发明实施例提供的 数据处理装置的另一实施例还包括：
第一获取单元 308 , 用于获取至少两个子接口 301接收到的所述至少两 路数据中每路数据的速率， 并获取接收所述每路数据的子接口标识； 所述数据处理单元 307 , 具体用于当所述第一获取单元 308获取的所述 至少两路数据的速率之和小于等于预置的合成数据的门限速率时， 将所述 每路数据对应的子接口标识携带在各路数据中， 将所述携带各自子接口标 识的至少两路数据合并成一路输出数据。
生成单元 309 , 用于当所述第一获取单元获取的每路数据的速率之和 大于预置的合成数据的门限速率时， 生成报警信息；
所述合成接口 306 , 用于发送所述生成单元生 309成的报警信息给所述 中心站设备。
本发明实施例中， 通过第一获取单元获取每路数据的速率， 可以根据 每路数据的速率和对每路数据做出正确的处理， 当每路数据的速率和大于 门限速率时， 可以及时报警， 便于维护管理。
在上述图 11对应的实施例的基础上， 参阅图 13 , 本发明实施例提供的 数据处理装置的另一实施例还包括：
第二获取单元 310 , 还用于获取承载所述至少两路数据的谐波的相位 和中心站设备提供的谐波的基准相位；
调整单元 311 , 用于将所述第二获取单元 310获取的承载所述至少两路 数据的谐波的相位调整到所述基准相位。
第二获取单元获取每路数据的谐波的相位后， 根据所述基准相位， 调 整单元将每路数据的谐波相位调整到基准相位， 有利于后面数据汇聚。
在上述图 11对应的实施例的基础上， 参阅图 13 , 本发明实施例提供的 数据处理装置的另一实施例还包括：
解析单元 312 , 用于解析所述合成输入数据；
第三获取单元 313 , 还用于获取所述解析单元 312解析出的合成输入数 据中每路数据的子接口标识； 所述数据处理单元 307 , 具体用于按照所述第三获取单元 313获取的子 接口标识， 将所述合成输入数据恢复到合成前的至少两路数据。
本实施例中， 第三获取单元获取解析单元解析后的合成数据中每路数 据的子接口标识， 数据处理单元按照所述子接口标识分离数据。
本发明多个实施例提供的数据处理装置， 可以节省光纤， 降低成本。 本领域普通技术人员可以理解上述实施例的各种方法中的全部或部 分步骤是可以通过程序来指令相关的硬件来完成， 该程序可以存储于一计 算机可读存储介质中， 存储介质可以包括： ROM、 RAM, 磁盘或光盘等。
以上对本发明实施例所提供的数据传输的方法、 装置以及系统进行了 述， 以上实施例的说明只是用于帮助理解本发明的方法及其核心思想； 同 时， 对于本领域的一般技术人员， 依据本发明的思想， 在具体实施方式及 应用范围上均会有改变之处， 综上所述， 本说明书内容不应理解为对本发 明的限制。

Claims

权利 要求 书
1、 一种数据传输的方法， 其特征在于， 数据处理装置与多个远端基 站和一个中心站设备相连接， 所述数据处理装置和每个远端基站通过一根 或一对光纤相连接， 所述数据处理装置与所述中心站设备通过一根或一对 光纤相连接； 所述方法包括： 所述数据处理装置接收所述多个远端基站中至少两个远端基站发送 来的至少两路数据， 将所述至少两路数据汇聚成一路输出数据， 向所述中 心站设备发送所述输出数据； 或， 所述数据处理装置接收所述中心站设备发送来的一路合成输入数据， 将所述合成输入数据恢复到合成前的至少两路数据， 将所述恢复后的至少 两路数据按照恢复后的每路数据中的子接口标识， 通过所述子接口标识对 应的子接口发送给通过光纤与所述子接口连接的远端基站。
2、 根据权利要求 1 所述的方法， 其特征在于， 所述将所述至少两路 数据汇聚成一路输出数据， 具体包括：
获取接收到的所述至少两路数据中每路数据的速率， 并获取接收所述 每路数据的子接口标识；
当所述至少两路数据的速率之和小于等于预置的合成数据的门限速 率时， 将所述每路数据对应的子接口标识携带在各路数据中， 将所述携带 各自子接口标识的至少两路数据合并成一路输出数据。
3、 根据权利要求 2 所述的方法， 其特征在于， 所述将所述携带各自 子接口标识的至少两路数据合并成一路输出数据， 之前， 还包括：
获取承载所述至少两路数据的谐波的相位和中心站设备提供的谐波 的基准相位， 并将承载所述至少两路数据的谐波的相位调整到所述基准相 位。
4、 根据权利要求 1—3任意一项所述的方法， 其特征在于， 所述将所 述合成输入数据恢复到合成前的至少两路数据， 具体包括：
解析所述合成输入数据， 获取所述合成输入数据中每路数据的子接口 标识； 按照所述子接口标识， 将所述合成输入数据恢复到合成前的至少两路 数据。
5、 根据权利要求 2所述的方法， 其特征在于， 还包括： 当所述每路数据的速率之和大于预置的合成数据的门限速率时， 生成 报警信息； 发送所述报警信息给中心站设备。
6、 一种数据处理装置， 其特征在于， 包括： 多个或多对子接口， 至 少一个或一对合成接口， 每个或每对子接口具有唯一的子接口标识， 每个 远端基站通过一根或一对光纤与一个或一对子接口相连接， 中心站设备通 过一个或一对光纤与所述合成接口中的一个或一对相连接； 所述子接口， 用于接收通过光纤与自身相连接的远端基站发送来的数 据；
数据处理单元， 用于将所述至少两个子接口接收到的至少两路数据汇 聚成一路输出数据；
合成接口， 用于向通过光纤与自身相连接的中心站设备发送所述数据 处理单元合成的输出数据；
所述合成接口， 还用于接收所述中心站设备发送来的一路合成输入数 据；
所述数据处理单元， 还用于将所述合成接口接收到的合成输入数据恢 复到合成前的至少两路数据；
所述子接口， 用于将所述数据处理单元恢复后的至少两路数据按照恢 复后的每路数据中的子接口标识， 发送给通过光纤与所述子接口连接的远 端基站。
7、 根据权利要求 6所述的装置， 其特征在于， 还包括： 第一获取单元， 用于获取接收到的所述至少两路数据中每路数据的速 率， 并获取接收所述每路数据的子接口标识；
所述数据处理单元， 具体用于当所述第一获取单元获取的所述至少两 路数据的速率之和小于等于预置的合成数据的门限速率时， 将所述每路数 据对应的子接口标识携带在各路数据中， 将所述携带各自子接口标识的至 少两路数据合并成一路输出数据。
8、 根据权利要求 7所述的装置， 其特征在于， 还包括： 生成单元， 用于当所述第一获取单元获取的每路数据的速率之和大于 预置的合成数据的门限速率时， 生成报警信息； 所述合成接口， 用于发送所述生成单元生成的报警信息给所述中心站 设备。
9、 根据权利要求 6所述的装置， 其特征在于， 还包括： 第二获取单元， 还用于获取承载所述至少两路数据的谐波的相位和中 心站设备提供的谐波的基准相位； 调整单元， 用于将所述第二获取单元获取的承载所述至少两路数据的 谐波的相位调整到所述基准相位。
1 0、 根据权利要求 6所述的装置， 其特征在于， 还包括： 解析单元， 用于解析所述合成输入数据；
第三获取单元， 还用于获取所述解析单元解析出的合成输入数据中每 路数据的子接口标识； 所述数据处理单元， 具体用于按照所述第三获取单元获取的子接口标 识， 将所述合成输入数据恢复到合成前的至少两路数据。
1 1、 一种数据传输的系统， 其特征在于， 包括： 多个远端基站、 一个 第一数据处理装置和一个中心站设备， 所述中心站设备集成有一个第二数 据处理装置； 所述第一数据处理装置与每个远端基站通过一根或一对光纤相连接， 所述第一数据处理装置与所述中心站设备通过一根或一对光纤相连接； 所述第一数据处理装置， 用于接收所述多个远端基站中至少两个远端 基站发送来的至少两路数据， 将所述至少两路数据汇聚成一路输出数据， 向所述中心站设备发送所述输出数据； 所述第二数据处理装置， 用于接收所述第一数据处理装置发送来的输 出数据， 将所述输出数据恢复到合成前的至少两路数据， 再识别所述至少 两路数据， 以实现中心站设备与远端基站的通信；
所述第二数据处理装置， 还用于将所述中心站设备要发送给与所述第 一数据处理装置相连接的至少两个远端基站的两路数据汇聚成一路， 将汇 聚后的合成输入数据发送给所述第一数据处理装置； 所述第一数据处理装置， 还用于接收所述中心站设备发送来的合成输 入数据， 将所述合成输入数据恢复到合成前的至少两路数据， 将所述恢复 后的至少两路数据按照恢复后的每路数据中的子接口标识， 通过所述子接 口标识对应的子接口发送给通过光纤与所述子接口连接的远端基站。
12、 一种数据传输的系统， 其特征在于， 包括： 多个远端基站、 多个 第一数据处理装置和一个中心站设备， 所述中心站设备集成有一个第二数 据处理装置； 每个第一数据处理装置上连接有多个远端基站， 并且每个远端基站只 与一个第一数据处理装置相连接， 所述每个第一数据处理装置与其相连接 的远端基站通过一根或一对光纤相连接， 所述每个第一数据处理装置与所 述中心站设备通过一根或一对光纤相连接； 所述第一数据处理装置， 用于接收与其相连接的多个远端基站中至少 两个远端基站发送来的至少两路数据， 将所述至少两路数据汇聚成一路输 出数据， 向所述中心站设备发送所述输出数据；
所述第二数据处理装置， 用于接收所述第一数据处理装置发送来的输 出数据， 将所述输出数据恢复到合成前的至少两路数据， 再识别所述至少 两路数据， 以实现中心站设备与远端基站的通信；
所述第二数据处理装置， 还用于将所述中心站设备发送给与一个第一 数据处理装置相连接的至少两个远端基站的两路数据汇聚成一路， 将汇聚 后的合成输入数据发送给与所述至少两个远端基站相连接的第一数据处 理装置； 所述第一数据处理装置， 还用于接收所述中心站设备发送来的合成输 入数据， 将所述合成输入数据恢复到合成前的至少两路数据， 将所述恢复 后的至少两路数据按照恢复后的每路数据中的子接口标识， 通过所述子接 口标识对应的子接口发送给通过光纤与所述子接口连接的远端基站。
1 3、 一种数据传输的系统， 其特征在于， 包括： 多个远端基站、 一个 第一数据处理装置、 一个第二数据处理装置和一个中心站设备， 所述第二 数据处理装置外置于所述中心站设备， 并且所述中心站设备与所述第二数 据处理装置通信连接； 所述第一数据处理装置与每个远端基站通过一根或一对光纤相连接， 所述第一数据处理装置与所述第二数据处理装置通过一根或一对光纤相 连接； 所述第一数据处理装置， 用于接收所述多个远端基站中至少两个远端 基站发送来的至少两路数据， 将所述至少两路数据汇聚成一路输出数据， 向所述第二数据处理装置发送所述输出数据；
所述第二数据处理装置， 用于接收所述第一数据处理装置发送来的输 出数据， 将所述输出数据恢复到合成前的至少两路数据， 再识别所述至少 两路数据， 以实现中心站设备与远端基站的通信；
所述第二数据处理装置， 还用于将中心站设备要发送给至少两个远端 基站的两路数据汇聚成一路， 将汇聚后的合成输入数据发送给所述第一数 据处理装置； 所述第一数据处理装置， 还用于接收所述第二数据处理装置发送来的 合成输入数据， 将所述合成输入数据恢复到合成前的至少两路数据， 将所 述恢复后的至少两路数据按照恢复后的每路数据中的子接口标识， 通过所 述子接口标识对应的子接口发送给通过光纤与所述子接口连接的远端基 站。
14、 一种数据传输的系统， 其特征在于， 包括： 多个远端基站、 多个 第一数据处理装置、 一个第二数据处理装置和一个中心站设备， 所述第二 数据处理装置外置于所述中心站设备， 并且所述中心站设备与所述第二数 据处理装置通信连接； 每个第一数据处理装置上连接有多个远端基站， 并且每个远端基站只 与一个第一数据处理装置相连接， 所述每个第一数据处理装置与其相连接 的远端基站通过一根或一对光纤相连接， 所述每个第一数据处理装置与所 述第二数据处理装置通过一根或一对光纤相连接； 所述第一数据处理装置， 用于接收与其相连接的多个远端基站中至少 两个远端基站发送来的至少两路数据， 将所述至少两路数据汇聚成一路输 出数据， 向所述第二数据处理装置发送所述输出数据； 所述第二数据处理装置， 用于接收所述第一数据处理装置发送来的输 出数据， 将所述输出数据恢复到合成前的至少两路数据， 再识别所述至少 两路数据， 以实现中心站设备与远端基站的通信；
所述第二数据处理装置， 还用于将中心站设备要发送给与一个第一数 据处理装置相连接的至少两个远端基站的两路数据汇聚成一路， 将汇聚后 的合成输入数据发送给与所述至少两个远端基站相连接的第一数据处理 装置；
所述第一数据处理装置， 还用于接收所述第二数据处理装置发送来的 合成输入数据， 将所述合成输入数据恢复到合成前的至少两路数据， 将所 述恢复后的至少两路数据按照恢复后的每路数据中的子接口标识， 通过所 述子接口标识对应的子接口发送给通过光纤与所述子接口连接的远端基 站。
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