WO2013185688A1 - 数据传输方法和系统 - Google Patents

数据传输方法和系统 Download PDF

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Publication number
WO2013185688A1
WO2013185688A1 PCT/CN2013/080066 CN2013080066W WO2013185688A1 WO 2013185688 A1 WO2013185688 A1 WO 2013185688A1 CN 2013080066 W CN2013080066 W CN 2013080066W WO 2013185688 A1 WO2013185688 A1 WO 2013185688A1
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WO
WIPO (PCT)
Prior art keywords
plc
base station
data
core network
bridge
Prior art date
Application number
PCT/CN2013/080066
Other languages
English (en)
French (fr)
Inventor
冯永利
田波亮
Original Assignee
中兴通讯股份有限公司
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.)
Filing date
Publication date
Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Priority to EP13803657.9A priority Critical patent/EP2846572A4/en
Priority to US14/404,790 priority patent/US20150156639A1/en
Publication of WO2013185688A1 publication Critical patent/WO2013185688A1/zh

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/18—Network planning tools
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/54—Systems for transmission via power distribution lines
    • H04B3/544—Setting up communications; Call and signalling arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/54—Systems for transmission via power distribution lines
    • H04B3/542—Systems for transmission via power distribution lines the information being in digital form
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2203/00—Indexing scheme relating to line transmission systems
    • H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
    • H04B2203/5429—Applications for powerline communications
    • H04B2203/5441—Wireless systems or telephone
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2203/00—Indexing scheme relating to line transmission systems
    • H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
    • H04B2203/5429—Applications for powerline communications
    • H04B2203/5445—Local network
    • 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
    • H04W88/14—Backbone network devices
    • 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
    • H04W88/16—Gateway arrangements

Definitions

  • the present invention relates to the field of mobile communications, and in particular, to a data transmission method and system.
  • the mobile communication base station is divided into macro station and micro station.
  • the macro station covers a large area and occupies the main position of the whole cellular mobile communication.
  • the indoor micro base station complements the blindness and becomes the whole communication system.
  • the main component The main component.
  • the traditional base station and the core network and other access entities are generally far away from the fiber, the Ethernet electrical interface (network cable) is extended, or the E1/T1 transmission line is extended, but the common features are, whether it is fiber optic cable, E1
  • the /T1 transmission cable or network cable needs to be specially erected, which has a relatively high construction cost.
  • the embodiment of the invention provides a data transmission method and system, which solves the problem that the construction cost of the existing base station remote plan is high and the construction of the optical cable or the network cable separately needs to be erected in addition to the commercial power network is complicated.
  • the embodiment of the invention provides a data transmission method, including:
  • the method includes:
  • the PLC communication module or device acquires data to be sent by the base station to the core network side;
  • the PLC communication module or device transmits the data to the PLC bridge and the switching module or device on the core network side through the utility network.
  • the sending, by the PLC communication module or device, the data to the PLC bridge and the switching module or device on the core network side by using the utility network includes:
  • the PLC communication module or device passes through the utility network to the PLC network on the core network side
  • the bridge and switch module or device transmit the data in an Ethernet data format.
  • the PLC communication module or device further includes:
  • the PLC bridge and switching module or device transmits data received through the utility network to a core network side access entity.
  • the embodiment of the invention further provides a data transmission method, adding a PLC communication module or device on the base station side, adding a PLC bridge and a switching module or device on the core network side, and the PLC communication module or device and the PLC bridge and the exchange
  • the module or device is connected through a mains network, and the method includes:
  • the PLC bridge and the switch module or device acquire data to be sent to the base station on the core network side; the PLC bridge and the switch module or device send the data to the PLC communication module or device through the utility network .
  • the sending, by the PLC bridge and the switching module or device, the data to the PLC communication module or device by using the utility network includes:
  • the PLC bridge and switching module or device transmits the data in an Ethernet data format to the PLC communication module or device via the utility network.
  • the method further includes:
  • the PLC communication module or device transmits data received by the PLC bridge and the switching module or device received through the utility network to the base station.
  • the embodiment of the invention further provides a data transmission system, comprising a PLC communication module disposed on the base station side and a PLC network and a switching module disposed on the core network side, wherein the PLC communication module and the PLC bridge and the exchange module pass Mains network connection;
  • the PLC communication module is configured to acquire data to be sent by the base station to the core network side access entity, and send the data to the PLC bridge and the switching module through the utility power network.
  • the PLC bridge and the switch module are further configured to acquire a core network side access entity to wait.
  • the PLC communication module is further configured to send the PLC bridge and the switching module received through the utility network The data is sent to the base station.
  • the PLC communication module is integrated into the base station as a function module, and the base station is a micro base station (MICRO) or a pico base station (PICO) or a home base station (FEMTO) or a macro base station (MACRO).
  • MICRO micro base station
  • PICO pico base station
  • FEMTO home base station
  • MACRO macro base station
  • the PLC bridge and the switch module are integrated in the core network side access entity as a function module, and the core network side access entity is a core network or a radio network controller in the mobile cellular system or Mobile switching center or cascaded base station.
  • the embodiment of the invention further provides a data transmission system, comprising a PLC communication module placed on the base station side and a PLC network and a switching device placed on the core network side, wherein the PLC communication module and the PLC bridge and the switching device pass Mains network connection;
  • the PLC communication module is configured to acquire data that the base station is to send to the core network side access entity, and send the data to the PLC bridge and the switching device through the utility power network.
  • the PLC bridge and the switching device are further configured to acquire data to be sent by the core network side access entity to the base station, and send the data to the PLC communication module by using the utility network;
  • the PLC communication module is further configured to transmit data sent by the PLC bridge and the switching device received through the utility network to the base station.
  • the PLC communication module is integrated into the base station as a functional module, and the base station is a MICRO or PICO or a FEMTO or a MACRO.
  • the PLC bridge and the switching device are connected to the core network side access entity, where the core network side access entity is a core network or a radio network controller or a mobile switching center or a level in the mobile cellular system. Connected to the base station.
  • the core network side access entity is a core network or a radio network controller or a mobile switching center or a level in the mobile cellular system. Connected to the base station.
  • the embodiment of the invention further provides a data transmission system, comprising: a PLC communication device placed on the base station side and a PLC network and a switching module placed on the core network side, wherein the PLC communication device and the PLC bridge and the exchange module pass Mains network connection;
  • the PLC communication device is configured to acquire data to be sent by the base station to the core network side access entity, and send the data to the PLC bridge and the switching module through the utility network.
  • the PLC bridge and the switching module are further configured to acquire data to be sent by the core network side access entity to the base station, and send the data to the PLC communication device by using the utility network;
  • the PLC communication device is further configured to transmit data transmitted by the PLC bridge and the switching module received through the utility network to the base station.
  • the PLC communication device is connected to the base station, and the base station is a MICRO or PICO or a FEMTO or a MACRO.
  • the PLC bridge and the switch module are integrated in the core network side access entity as a function module, and the core network side access entity is a core network or a radio network controller in the mobile cellular system or Mobile switching center or cascaded base station.
  • the embodiment of the invention further provides a data transmission system, comprising: a PLC communication device placed on the base station side and a PLC network and a switching device placed on the core network side, wherein the PLC communication device and the PLC bridge and the switching device pass Mains network connection;
  • the PLC communication device is configured to acquire data to be sent by the base station to the core network side access entity, and send the data to the PLC bridge and the switching device through the utility power network.
  • the PLC bridge and the switching device are further configured to acquire data to be sent by the core network side access entity to the base station, and send the data to the PLC communication device by using the utility network;
  • the PLC communication device is further configured to transmit data transmitted by the PLC bridge and the exchange mode device received through the utility network to the base station.
  • the PLC communication device is connected to the base station, and the base station is a MICRO or PICO or a FEMTO or a MACRO.
  • the PLC bridge and the switching device are connected to the core network side access entity, where the core network side access entity is a core network or a radio network controller or a mobile switching center or a level in the mobile cellular system. Connected to the base station.
  • the embodiment of the invention provides a data transmission method and system, adding a PLC communication module or device on the base station side, adding a PLC bridge and a switch module or device on the core network side, the PLC communication module or device and the PLC bridge and The switching module or device is connected through a mains network, the PLC communication module or device acquires data to be sent by the base station to the core network side, and then the PLC communication module or device passes the utility network to the core network side.
  • the PLC bridge and the switching module or device send the data, and vice versa, the PLC bridge and the switching module or device acquire data to be sent by the core network side access entity to the base station; the PLC bridge and the switch module or device pass The mains network transmits the data to a PLC communication module or device on the base station side; the PLC communication module or device transmits the received data to the base station device.
  • the utility model realizes the remote access of the access entity through the PLC communication mode of the commercial power network, and solves the problem that the construction cost of the existing scheme is high and the construction of the optical cable or the network cable separately needs to be erected in addition to the commercial power network is complicated.
  • FIG. 1 is a schematic structural diagram of a data transmission system according to Embodiment 1 of the present invention
  • FIG. 2 is a schematic structural diagram of a data transmission system according to Embodiment 2 of the present invention
  • FIG. 3 is a schematic diagram of Embodiment 3 of the present invention
  • 4 is a schematic structural diagram of a data transmission system according to Embodiment 4 of the present invention
  • FIG. 5 is a flowchart of a data transmission method according to Embodiment 5 of the present invention.
  • FIG. 6 is a flowchart of still another data transmission method according to Embodiment 5 of the present invention.
  • the traditional base station and the core network and other access entities are generally far away from the fiber, the Ethernet electrical interface (network cable) is extended, or the E1/T1 transmission line is extended, but the common features are, whether it is fiber optic cable, E1
  • the /T1 transmission cable or network cable needs to be specially erected, which has a relatively high construction cost.
  • embodiments of the present invention provide a data transmission method and system, based on a communication method of a PLC (Power Line Communication), transmitting data through a mains network to achieve remote access of an access entity.
  • PLC Power Line Communication
  • Power Line Communication PLC technology is a technology that transmits high-bandwidth digital signals by means of power lines. Using the frequency band of 1.0MHz ⁇ 30.0MHz, using Orthogonal Frequency Division Multiplexing (OFDM) digital modulation technology, it can achieve a transmission bandwidth of hundreds of megabits. More advantageously, the technology utilizes the existing indoor power transmission network. It does not need to be erected separately, which is more convenient than other transmission carriers. PLC communication modules or equipment and PLC bridges and network switching equipment using PLC technology are very mature.
  • OFDM Orthogonal Frequency Division Multiplexing
  • a first embodiment of the present invention provides a data transmission system.
  • the system structure is as shown in FIG. 1, and includes:
  • the PLC communication module 101 is configured to acquire data to be sent by the base station 104 to the core network side access entity 105, and send the data to the PLC bridge and switching module 102 through the utility network 103.
  • the PLC bridge and switching module 102 is further configured to acquire data to be sent by the core network side access entity 105 to the base station 104, and send the same to the PLC communication module 101 through the utility network 103.
  • Data to be sent by the core network side access entity 105 to the base station 104, and send the same to the PLC communication module 101 through the utility network 103.
  • the PLC communication module 101 is further configured to transmit data transmitted by the PLC bridge and switching module 102 received through the utility network 103 to the base station 104.
  • the PLC communication module 101 is integrated inside the base station 104 as a function module, and the base station 104 is a micro base station (MICRO) or a pico base station (PICO) or a home base station (FEMTO) or a macro base station (MACRO).
  • MICRO micro base station
  • PICO pico base station
  • FEMTO home base station
  • MACRO macro base station
  • the PLC bridge and switching module 102 is integrated in the core network side access entity 105 as a functional module, and the core network side access entity 105 is a core network or a wireless network control in the mobile cellular system. Or mobile switching center or cascaded base station.
  • the base station 104 transmits data to the core network
  • the Ethernet data format is kept unchanged, but the data is first transmitted to the PLC communication module 101 on the base station side, and then transmitted by the PLC communication module 101 to the PLC network on the core network side through the commercial power network 103.
  • the bridge and switching module 102 transmits data to the core network side access entity 105 by the PLC bridge and switching module 102.
  • the core network side access entity 105 when the core network side access entity 105 transmits data to the base station 104, the core network side access entity 105 also maintains the Ethernet data format unchanged, first transmitting data to the PLC network bridge and the switch module 102 on the core network side, and then The PLC bridge and switching module 102 on the core network side transmits data to the PLC communication module 101 on the base station side through the mains network 103, and then transmits the data to the base station by the PLC communication module or device 101 integrated in the base station 104. 104 internal corresponding receiving module.
  • the embodiment of the present invention provides a data transmission system, and the structure thereof is as shown in FIG. 2, which includes a PLC communication module 201 placed on the base station side and a PLC network and switching device 202 placed on the core network side, and the PLC communication module 201.
  • the PLC bridge and switching device 202 is connected to the mains network 203.
  • the PLC communication module 201 is configured to acquire the data to be received by the base station 204 to the core network side access entity 205.
  • the PLC bridge and switching device 202 is further configured to acquire data to be sent by the core network side access entity 205 to the base station 201, and send the same to the PLC communication module 201 through the utility network 203.
  • Data to be sent by the core network side access entity 205 to the base station 201, and send the same to the PLC communication module 201 through the utility network 203.
  • the PLC communication module 201 is further configured to transmit data transmitted by the PLC bridge and switching device 202 received through the utility network 203 to the base station 204.
  • the PLC communication module 201 is integrated inside the base station 204 as a function module, and the base station 204 is a MICRO or PICO or FEMTO or MACRO.
  • the PLC bridge and switching device are connected to the core network side access entity, and the core network side access entity is a core network or a radio network controller or a mobile switching center or a cascade in a mobile cellular system.
  • Base station When the base station 204 transmits data to the core network, the Ethernet data format is kept unchanged, but the data is first transmitted to the PLC communication module 201 on the base station side, and then transmitted by the PLC communication module 201 to the PLC network on the core network side through the commercial power network 203.
  • the bridge and switching device 202 transmits data to the core network side access entity 205 by the PLC bridge and switching device 202.
  • the core network side access entity 205 when the core network side access entity 205 transmits data to the base station 204, the core network side access entity 205 also maintains the Ethernet data format unchanged, first transmitting data to the PLC network bridge and the switching device 202 on the core network side, and then The PLC network and the switching device 202 on the core network side transmit data to the PLC communication module 201 on the base station side through the mains network 203, and then transmit the data to the base station 204 through the PLC communication module 201 integrated in the base station 204. The corresponding receiving module.
  • the embodiment of the present invention provides a data transmission system, and the structure thereof is as shown in FIG. 3, including a PLC communication device 301 placed on the base station side and a PLC network and a switching module 302 placed on the core network side, and the PLC communication device 301. And the PLC bridge and the switch module 302 are connected through the mains network 303.
  • the PLC communication device 301 is configured to acquire the data that the base station 304 is to be sent to the core network side access entity 305.
  • the PLC bridge and switching module 302 is further configured to acquire data to be sent by the core network side access entity 305 to the base station 304, and send the same to the PLC communication device 301 through the utility network 303.
  • Data to be sent by the core network side access entity 305 to the base station 304, and send the same to the PLC communication device 301 through the utility network 303.
  • the PLC communication device 301 is further configured to transmit data transmitted by the PLC bridge and switching module 302 received through the utility network 303 to the base station 304.
  • the PLC communication device 301 is connected to the base station 304, and the base station 304 is MICRO or PICO or FEMTO or MACRO.
  • the PLC bridge and switching module 302 is integrated in the core network side access entity 305 as a functional module, and the core network side access entity 305 is a core network or a wireless network control in the mobile cellular system. Or mobile switching center or cascaded base station.
  • the Ethernet data format is kept unchanged, and only the data is First transmitted to the PLC communication device 301 on the base station side, and then transmitted by the PLC communication device 301 to the PLC bridge and switching module 302 on the core network side through the mains network 303, and then transmitted to the core by the PLC bridge and the switching module 302.
  • the network side access entity 305 When the base station 304 transmits data to the core network, the Ethernet data format is kept unchanged, and only the data is First transmitted to the PLC communication device 301 on the base station side, and then transmitted by the PLC communication device 301 to the PLC bridge and switching module 302 on the core network side through the mains network 303, and then transmitted to the core by the PLC bridge and the switching module 302.
  • the network side access entity 305 is
  • the core network side access entity 305 when the core network side access entity 305 transmits data to the base station 304, the core network side access entity 305 also maintains the Ethernet data format unchanged, first transmitting data to the PLC network bridge and the switch module 302 on the core network side, and then The PLC bridge and switching module 302 on the core network side transmits data to the PLC communication device 301 on the base station side through the commercial power network 303, and then transmits the data to the base station 304 by the PLC communication device 301 disposed outside the base station.
  • the embodiment of the present invention provides a data transmission system, and the structure thereof is as shown in FIG. 4, including a PLC communication device 401 placed on the base station side and a PLC network and switching device 402 placed on the core network side, and the PLC communication device 401. And the PLC bridge and the switching device 402 are connected through the mains network 403.
  • the PLC communication device 401 is configured to acquire the data that the base station 404 is to be sent to the core network side access entity 405.
  • the PLC bridge and switching device 402 is further configured to acquire data to be sent by the core network side access entity 405 to the base station 404, and send the same to the PLC communication device 401 through the utility network 403.
  • Data to be sent by the core network side access entity 405 to the base station 404, and send the same to the PLC communication device 401 through the utility network 403.
  • the PLC communication device 401 is further configured to transmit data transmitted by the PLC bridge and the switch mode device 402 received through the utility network 402 to the base station 404.
  • the PLC communication device 401 is connected to the base station 404, and the base station 404 is a MICRO or PICO or FEMTO or MACRO.
  • the PLC bridge and switching device 402 is connected to the core network side access entity 405, and the core network side access entity 405 is a core network or a radio network controller or a mobile switching center in the mobile cellular system. Or cascade base stations.
  • the Ethernet data format is kept unchanged, but the data is first transmitted to the PLC communication device 401 on the base station side, and then transmitted by the PLC communication device 401 through the utility network 403 to the PLC network on the core network side.
  • Bridge and switching equipment 402 and then by PLC bridge and switching equipment The data is transmitted to the core network side access entity 405.
  • the core network side access entity 405 transmits data to the base station 404
  • the core network side access entity 405 also maintains the Ethernet data format unchanged, first transmitting data to the PLC network bridge and the switching device 402 on the core network side, and then The PLC bridge and switching device 402 on the core network side transmits data to the PLC communication device 401 on the base station side through the mains network 403, and the data is transmitted to the base station 404 by the PLC communication device 401 disposed outside the base station.
  • the embodiment of the present invention provides a data transmission method.
  • the data transmission system shown in any one of FIG. 1 to FIG. 4 is used as an application scenario.
  • FIG. 5 the process of using the method to complete data transmission by a base station to an access network is performed. Description.
  • Step 501 The PLC communication module or device acquires data to be sent by the base station to the core network side.
  • the PLC communication module or device acquires data to be sent by the base station to the core network side, and the data is an Ethernet data format.
  • Step 502 The PLC communication module or device sends the data to the PLC bridge and the switching module or device on the core network side through the utility network;
  • the PLC communication module or device transmits data through the mains network, and PLC communication can be used in the mains network.
  • Step 503 The PLC bridge and the switch module or device transmit the data received by the utility network to the core network.
  • the PLC bridge and the switching module or device transmit the data to the core network, and specifically, to the core network side access entity.
  • Step 601 The PLC bridge and the switch module or device acquire data to be sent to the base station by the core network side.
  • the PLC bridge and the switching module or device acquire data to be sent by the base station to the core network side, and the data is an Ethernet data format.
  • Step 602 The PLC bridge and the switch module or device send the data to the PLC communication module or device through the utility network;
  • Step 603 The PLC communication module or device sends the data received by the PLC bridge and the switching module or the device received by the utility network to the base station.
  • Embodiments of the present invention provide a data transmission method and system, adding a PLC communication module or device on a base station side, adding a PLC bridge and a switch module or device on a core network side, the PLC communication module or device and a PLC bridge And the switching module or device is connected through a mains network, the PLC communication module or device acquires data to be sent by the base station to the core network side, and then the PLC communication module or device passes through the utility network to the core network side
  • the PLC bridge and the switching module or device transmit the data, and realize the remote access of the access entity through the PLC communication mode of the utility power network, thereby solving the problem that the existing access entity has a high construction cost.
  • Power Line Communication (PLC) technology is a technology that transmits high-bandwidth digital signals by means of power lines. Using the frequency band of 1.0MHz ⁇ 30.0MHz, using Orthogonal Frequency Division Multiplexing (OFDM) digital modulation technology, it can achieve a transmission bandwidth of hundreds of megabits. More advantageously, the technology utilizes the existing indoor power transmission network. No separate erection is required.
  • the respective power supply cable is used, and the PLC bridge and the switch module or the device integrated or externally set by the access entity are integrated or externally set.
  • the PLC communication module or equipment uses the power line communication formed by the PLC method to replace the existing wired communication using the special cable transmission, thereby avoiding the construction complexity of the networking wiring; no optical cable, E1/T1 transmission cable or The network cable saves the material cost; and the networking is flexible and convenient.
  • all or part of the steps of the foregoing embodiments may also be implemented by using an integrated circuit. These steps may be separately fabricated into individual integrated circuit modules, or multiple modules or steps may be fabricated into a single integrated circuit module. achieve.
  • the invention is not limited to any particular combination of hardware and software.
  • the various devices/function modules/functional units in the above embodiments may be implemented using a general-purpose computing device, which may be centralized on a single computing device or distributed over a network of multiple computing devices.
  • Each device/function module/functional unit in the above embodiments can be stored in a computer readable storage medium when implemented in the form of a software function module and sold or used as a standalone product.
  • the above mentioned computer readable storage medium may be a read only memory, a magnetic disk or an optical disk or the like.
  • the embodiment of the invention provides a data transmission method and system, adding a PLC communication module or device on the base station side, adding a PLC bridge and a switch module or device on the core network side, the PLC communication module or device and the PLC bridge and The switching module or device is connected through a mains network, the PLC communication module or device acquires data to be sent by the base station to the core network side, and then the PLC communication module or device passes the utility network to the core network side.
  • the PLC bridge and the switching module or device send the data, and vice versa, the PLC bridge and the switching module or device acquire data to be sent by the core network side access entity to the base station; the PLC bridge and the switch module or device pass The mains network transmits the data to a PLC communication module or device on the base station side; the PLC communication module or device transmits the received data to the base station device.
  • the PLC communication mode of the mains network is realized to realize the remote access of the entity, which solves the problem that the existing construction cost is high and the construction of the optical cable or the network cable separately needs to be erected in addition to the commercial power network is complicated.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

一种数据传输方法和系统，在基站侧添加电力线通信（PLC）传输模块或设备，在核心网侧添加PLC网桥及交换模块或设备，所述PLC通信模块或设备与PLC网桥及交换模块或设备通过市电网络连接，该方法包括：所述PLC通信模块或设备获取基站待向核心网侧发送的数据；所述PLC通信模块或设备通过所述市电网络，向核心网侧的所述PLC网桥及交换模块或设备发送所述数据。本发明实施例通过市电网络的PLC通信方式进行接入实体拉远，解决了现有方案施工成本高和除市电网络外需要单独架设光缆或网线造成的施工复杂的问题。

Description

数据传输方法和系统
技术领域
本发明涉及移动通信领域， 尤其涉及一种数据传输方法和系统。
背景技术
移动通信基站分为宏站和微站， 宏站覆盖范围较大， 占整个蜂窝移动通 信的主要地位， 但随着通信技术的发展和城市建设的特点， 室内微基站补盲 也成为整个通信系统的主要组成部分。
传统的基站与核心网等接入实体的拉远一般釆用光纤拉远、 以太网电接 口 （网线）拉远、 或 E1/T1传输线拉远， 但共同的特点都是， 无论是光缆、 E1/T1传输线缆或网线都需要进行专门架设， 有相当高的施工成本。
发明内容
本发明实施例提供了一种数据传输方法和系统， 解决了现有基站拉远方 案施工成本高和除市电网络外需要单独架设光缆或网线造成的施工复杂的问 题。
本发明实施例提供了一种数据传输方法， 包括：
在基站侧添加电力线通信（ PLC )传输模块或设备，在核心网侧添加 PLC 网桥及交换模块或设备，所述 PLC通信模块或设备与 PLC网桥及交换模块或 设备通过市电网络连接， 该方法包括：
所述 PLC通信模块或设备获取基站待向核心网侧发送的数据；
所述 PLC通信模块或设备通过所述市电网络，向核心网侧的所述 PLC网 桥及交换模块或设备发送所述数据。
可选的， 所述 PLC通信模块或设备通过所述市电网络， 向核心网侧的所 述 PLC网桥及交换模块或设备发送所述数据包括：
所述 PLC通信模块或设备通过所述市电网络，向核心网侧的所述 PLC网 桥及交换模块或设备发送以太网数据格式的所述数据。
可选的， 所述 PLC通信模块或设备通过所述市电网络， 向核心网侧的所 述 PLC网桥及交换模块或设备发送所述数据的步骤之后， 还包括：
所述 PLC网桥及交换模块或设备将通过所述市电网络接收到的数据传输 至核心网侧接入实体。
本发明实施例还提供了一种数据传输方法， 在基站侧添加 PLC通信模块 或设备，在核心网侧添加 PLC网桥及交换模块或设备， 所述 PLC通信模块或 设备与 PLC网桥及交换模块或设备通过市电网络连接， 该方法包括：
所述 PLC网桥及交换模块或设备获取核心网侧待向基站发送的数据； 所述 PLC网桥及交换模块或设备通过所述市电网络，向所述 PLC通信模 块或设备发送所述数据。
可选的，所述 PLC网桥及交换模块或设备通过所述市电网络，向所述 PLC 通信模块或设备发送所述数据包括：
所述 PLC网桥及交换模块或设备通过所述市电网络，向所述 PLC通信模 块或设备发送以太网数据格式的所述数据。
可选的，所述 PLC网桥及交换模块或设备通过所述市电网络，向所述 PLC 通信模块或设备发送所述数据的步骤之后， 还包括：
所述 PLC通信模块或设备将通过市电网络接收到的所述 PLC网桥及交换 模块或设备接收的数据发送至基站。
本发明实施例还提供了一种数据传输系统， 包括置于基站侧的 PLC通信 模块和置于核心网侧的 PLC网络及交换模块，所述 PLC通信模块和所述 PLC 网桥及交换模块通过市电网络连接；
所述 PLC通信模块，设置为获取基站待向核心网侧接入实体发送的数据， 并通过所述市电网络向所述 PLC网桥及交换模块发送所述数据。
可选的， 所述 PLC网桥及交换模块还设置为获取核心网侧接入实体待向 基站发送的数据，并通过所述市电网络，向所述 PLC通信模块发送所述数据； 所述 PLC通信模块 ,还设置为将通过市电网络接收到的所述 PLC网桥及 交换模块发送的数据发送至基站。
可选的， 所述 PLC通信模块集成于所述基站内部作为一个功能模块， 所 述基站为微基站 （MICRO )或微微基站 （PICO )或家庭基站（FEMTO )或 宏基站（MACRO ) 。
可选的， 所述 PLC网桥及交换模块集成于所述核心网侧接入实体内部作 为一个功能模块， 所述核心网侧接入实体为移动蜂窝系统中的核心网或无线 网络控制器或移动交换中心或级联基站。
本发明实施例还提供了一种数据传输系统， 包括置于基站侧的 PLC通信 模块和置于核心网侧的 PLC网络及交换设备，所述 PLC通信模块和所述 PLC 网桥及交换设备通过市电网络连接；
所述 PLC通信模块，设置为获取基站待向核心网侧接入实体发送的数据 , 并通过所述市电网络向所述 PLC网桥及交换设备发送所述数据。
可选的， 所述 PLC网桥及交换设备还设置为获取核心网侧接入实体待向 基站发送的数据，并通过所述市电网络，向所述 PLC通信模块发送所述数据； 所述 PLC通信模块 ,还设置为将通过市电网络接收到的所述 PLC网桥及 交换设备发送的数据发送至基站。
可选的， 所述 PLC通信模块集成于所述基站内部作为一个功能模块， 所 述基站为 MICRO或 PICO或 FEMTO或 MACRO。
可选的， 所述 PLC网桥及交换设备与所述核心网侧接入实体连接， 所述 核心网侧接入实体为移动蜂窝系统中的核心网或无线网络控制器或移动交换 中心或级联基站。
本发明实施例还提供了一种数据传输系统， 包括置于基站侧的 PLC通信 设备和置于核心网侧的 PLC网络及交换模块，所述 PLC通信设备和所述 PLC 网桥及交换模块通过市电网络连接； 所述 PLC通信设备，设置为获取基站待向核心网侧接入实体发送的数据， 并通过所述市电网络向所述 PLC网桥及交换模块发送所述数据。
可选的， 所述 PLC网桥及交换模块还设置为获取核心网侧接入实体待向 基站发送的数据，并通过所述市电网络，向所述 PLC通信设备发送所述数据； 所述 PLC通信设备 ,还设置为将通过市电网络接收到的所述 PLC网桥及 交换模块发送的数据发送至基站。
可选的，所述 PLC通信设备与所述基站相连，所述基站为 MICRO或 PICO 或 FEMTO或 MACRO。
可选的， 所述 PLC网桥及交换模块集成于所述核心网侧接入实体中作为 一个功能模块， 所述核心网侧接入实体为移动蜂窝系统中的核心网或无线网 络控制器或移动交换中心或级联基站。
本发明实施例还提供了一种数据传输系统， 包括置于基站侧的 PLC通信 设备和置于核心网侧的 PLC网络及交换设备，所述 PLC通信设备和所述 PLC 网桥及交换设备通过市电网络连接；
所述 PLC通信设备，设置为获取基站待向核心网侧接入实体发送的数据， 并通过所述市电网络向所述 PLC网桥及交换设备发送所述数据。
可选的， 所述 PLC网桥及交换设备还设置为获取核心网侧接入实体待向 基站发送的数据，并通过所述市电网络，向所述 PLC通信设备发送所述数据； 所述 PLC通信设备，还设置为将通过市电网络接收到的所述 PLC网桥及 交换模设备发送的数据发送至基站。
可选的，所述 PLC通信设备与所述基站相连，所述基站为 MICRO或 PICO 或 FEMTO或 MACRO。
可选的， 所述 PLC网桥及交换设备与所述核心网侧接入实体相连， 所述 核心网侧接入实体为移动蜂窝系统中的核心网或无线网络控制器或移动交换 中心或级联基站。 本发明实施例提供了一种数据传输方法和系统， 在基站侧添加 PLC通信 模块或设备，在核心网侧添加 PLC网桥及交换模块或设备， 所述 PLC通信模 块或设备与 PLC网桥及交换模块或设备通过市电网络连接，所述 PLC通信模 块或设备获取基站待向核心网侧发送的数据， 然后所述 PLC通信模块或设备 通过所述市电网络， 向核心网侧的所述 PLC网桥及交换模块或设备发送所述 数据， 反之， 所述 PLC网桥及交换模块或设备获取核心网侧接入实体待向基 站发送的数据； 所述 PLC网桥及交换模块或设备通过所述市电网络， 向基站 侧的 PLC通信模块或设备发送所述数据；所述 PLC通信模块或设备将接收到 的数据传给基站设备。 实现了通过市电网络的 PLC通信方式进行接入实体拉 远， 解决了现有方案施工成本高和除市电网络外需要单独架设光缆或网线造 成的施工复杂的问题。 附图概述
图 1为本发明的实施例一提供的一种数据传输系统的结构示意图； 图 2为本发明的实施例二提供的一种数据传输系统的结构示意图； 图 3为本发明的实施例三提供的一种数据传输系统的结构示意图； 图 4为本发明的实施例四提供的一种数据传输系统的结构示意图； 图 5为本发明的实施例五提供的一种数据传输方法的流程图；
图 6为本发明的实施例五提供的又一种数据传输方法的流程图。
本发明的较佳实施方式
传统的基站与核心网等接入实体的拉远一般釆用光纤拉远、 以太网电接 口 （网线）拉远、 或 E1/T1传输线拉远， 但共同的特点都是， 无论是光缆、 E1/T1传输线缆或网线都需要进行专门架设， 有相当高的施工成本。
为了解决上述问题， 本发明的实施例提供了一种数据传输方法和系统， 基于 PLC ( Power Line Communication, 电力线通信 ) 的通信方式, 通过市电 网络传输数据以实现接入实体的拉远。 下文中将结合附图对本发明的实施例 进行详细说明。 需要说明的是， 在不冲突的情况下， 本申请中的实施例及实 施例中的特征可以相互任意组合。
首先结合附图， 对本发明的实施例一进行说明。
电力线通信 PLC技术， 是一种借助电力线传输高带宽数字信号的技术。 利用 1.0MHz ~ 30.0MHz的频带，釆用正交频分复用（ OFDM )数字调制技术， 可以达到上百兆的传输带宽， 更为有利的一点， 该技术是利用现有室内电力 传输网络， 无需单独架设， 相对于其它传输载体更为便利。 利用 PLC技术的 PLC通信模块或设备和 PLC网桥和网络交换设备已很成熟。
本发明实施例一提供了一种数据传输系统， 该系统结构如图 1所示， 包 括：
置于基站侧的 PLC通信模块 101和置于核心网侧的 PLC网络及交换模块 102, 所述 PLC通信模块 101和所述 PLC网桥及交换模块 102通过市电网络 103连接；
所述 PLC通信模块 101 ,设置为获取基站 104待向核心网侧接入实体 105 发送的数据， 并通过所述市电网络 103向所述 PLC网桥及交换模块 102发送 所述数据。
优选的， 所述 PLC网桥及交换模块 102还设置为获取核心网侧接入实体 105待向基站 104发送的数据， 并通过所述市电网络 103 , 向所述 PLC通信 模块 101发送所述数据；
所述 PLC通信模块 101 ,还设置为将通过市电网络 103接收到的所述 PLC 网桥及交换模块 102发送的数据发送至基站 104。
优选的， 所述 PLC通信模块 101集成于所述基站 104内部作为一个功能 模块， 所述基站 104 为微基站（MICRO )或微微基站（PICO )或家庭基站 ( FEMTO )或宏基站（MACRO ) 。
优选的，所述 PLC网桥及交换模块 102集成于所述核心网侧接入实体 105 内部作为一个功能模块， 所述核心网侧接入实体 105为移动蜂窝系统中的核 心网或无线网络控制器或移动交换中心或级联基站。 基站 104向核心网传输数据时， 保持以太网数据格式不变， 只是将数据 先传输给基站侧的 PLC通信模块 101 , 再由 PLC通信模块 101通过市电网络 103传输给核心网侧的 PLC网桥及交换模块 102, 再由 PLC网桥及交换模块 102将数据传输给核心网侧接入实体 105。 反过来， 核心网侧接入实体 105向 基站 104传输数据时， 核心网侧接入实体 105亦保持以太网数据格式不变， 先传输数据给核心网侧的 PLC网桥及交换模块 102, 再由核心网侧的 PLC网 桥及交换模块 102, 将数据通过市电网络 103传输给基站侧的 PLC通信模块 101 , 再由这个集成在基站 104内部的 PLC通信模块或设备 101将数据传输 致基站 104内部相应的接收模块。
下面结合附图， 对本发明的实施例二进行说明。
本发明实施例提供了一种数据传输系统， 其结构如图 2所示， 包括置于 基站侧的 PLC通信模块 201和置于核心网侧的 PLC网络及交换设备 202, 所 述 PLC通信模块 201和所述 PLC网桥及交换设备 202通过市电网络 203连接； 所述 PLC通信模块 201 ,设置为获取基站 204待向核心网侧接入实体 205 所述数据。
优选的， 所述 PLC网桥及交换设备 202还设置为获取核心网侧接入实体 205待向基站 201发送的数据， 并通过所述市电网络 203 , 向所述 PLC通信 模块 201发送所述数据；
所述 PLC通信模块 201 ,还设置为将通过市电网络 203接收到的所述 PLC 网桥及交换设备 202发送的数据发送至基站 204。
优选的， 所述 PLC通信模块 201集成于所述基站 204内部作为一个功能 模块， 所述基站 204为 MICRO或 PICO或 FEMTO或 MACRO。
优选的， 所述 PLC网桥及交换设备与所述核心网侧接入实体连接， 所述 核心网侧接入实体为移动蜂窝系统中的核心网或无线网络控制器或移动交换 中心或级联基站。 基站 204向核心网传输数据时， 保持以太网数据格式不变， 只是将数据 先传输给基站侧的 PLC通信模块 201 , 再由 PLC通信模块 201通过市电网络 203传输给核心网侧的 PLC网桥及交换设备 202, 再由 PLC网桥及交换设备 202将数据传输给核心网侧接入实体 205。 反过来， 核心网侧接入实体 205向 基站 204传输数据时， 核心网侧接入实体 205亦保持以太网数据格式不变， 先传输数据给核心网侧的 PLC网桥及交换设备 202, 再由核心网侧的 PLC网 桥及交换设备 202， 将数据通过市电网络 203传输给基站侧的 PLC通信模块 201 , 再由这个集成在基站 204内部的 PLC通信模块 201将数据传输致基站 204内部相应的接收模块。
下面结合附图， 对本发明的实施例三进行说明。
本发明实施例提供了一种数据传输系统， 其结构如图 3所示， 包括置于 基站侧的 PLC通信设备 301和置于核心网侧的 PLC网络及交换模块 302, 所 述 PLC通信设备 301和所述 PLC网桥及交换模块 302通过市电网络 303连接； 所述 PLC通信设备 301 ,设置为获取基站 304待向核心网侧接入实体 305 所述数据。
优选的， 所述 PLC网桥及交换模块 302还设置为获取核心网侧接入实体 305待向基站 304发送的数据， 并通过所述市电网络 303 , 向所述 PLC通信 设备 301发送所述数据；
所述 PLC通信设备 301 ,还设置为将通过市电网络 303接收到的所述 PLC 网桥及交换模块 302发送的数据发送至基站 304。
优选的， 所述 PLC通信设备 301与所述基站 304相连， 所述基站 304为 MICRO或 PICO或 FEMTO或 MACRO。
优选的，所述 PLC网桥及交换模块 302集成于所述核心网侧接入实体 305 中作为一个功能模块， 所述核心网侧接入实体 305为移动蜂窝系统中的核心 网或无线网络控制器或移动交换中心或级联基站。
基站 304向核心网传输数据时， 保持以太网数据格式不变， 只是将数据 先传输给基站侧的 PLC通信设备 301 , 再由 PLC通信设备 301通过市电网络 303传输给核心网侧的 PLC网桥及交换模块 302, 再由 PLC网桥及交换模块 302将数据传输给核心网侧接入实体 305。 反过来， 核心网侧接入实体 305向 基站 304传输数据时， 核心网侧接入实体 305亦保持以太网数据格式不变， 先传输数据给核心网侧的 PLC网桥及交换模块 302, 再由核心网侧的 PLC网 桥及交换模块 302， 将数据通过市电网络 303传输给基站侧的 PLC通信设备 301 , 再由这个分设在基站外部的 PLC通信设备 301将数据传输致基站 304。
下面结合附图， 对本发明的实施例四进行说明。
本发明实施例提供了一种数据传输系统， 其结构如图 4所示， 包括置于 基站侧的 PLC通信设备 401和置于核心网侧的 PLC网络及交换设备 402 , 所 述 PLC通信设备 401和所述 PLC网桥及交换设备 402通过市电网络 403连接； 所述 PLC通信设备 401 ,设置为获取基站 404待向核心网侧接入实体 405 所述数据。
优选的， 所述 PLC网桥及交换设备 402还设置为获取核心网侧接入实体 405待向基站 404发送的数据， 并通过所述市电网络 403 , 向所述 PLC通信 设备 401发送所述数据；
所述 PLC通信设备 401 ,还设置为将通过市电网络 402接收到的所述 PLC 网桥及交换模设备 402发送的数据发送至基站 404。
优选的， 所述 PLC通信设备 401与所述基站 404相连， 所述基站 404为 MICRO或 PICO或 FEMTO或 MACRO。
优选的， 所述 PLC网桥及交换设备 402与所述核心网侧接入实体 405相 连， 所述核心网侧接入实体 405为移动蜂窝系统中的核心网或无线网络控制 器或移动交换中心或级联基站。
基站 404向核心网传输数据时， 保持以太网数据格式不变， 只是将数据 先传输给基站侧的 PLC通信设备 401 , 再由 PLC通信设备 401通过市电网络 403传输给核心网侧的 PLC网桥及交换设备 402, 再由 PLC网桥及交换设备 402将数据传输给核心网侧接入实体 405。 反过来 , 核心网侧接入实体 405向 基站 404传输数据时， 核心网侧接入实体 405亦保持以太网数据格式不变， 先传输数据给核心网侧的 PLC网桥及交换设备 402, 再由核心网侧的 PLC网 桥及交换设备 402 , 将数据通过市电网络 403传输给基站侧的 PLC通信设备 401 , 再由这个分设在基站外部的 PLC通信设备 401将数据传输致基站 404。
下面结合附图， 对本发明的实施例五进行说明。
本发明实施例提供了一种数据传输方法， 以图 1至图 4任一所示的数据 传输系统为应用场景， 结合附图 5, 对使用该方法完成基站向接入网发送数 据的流程进行说明。
步骤 501、所述 PLC通信模块或设备获取基站待向核心网侧发送的数据； 本步骤中， PLC通信模块或设备获取基站待向核心网侧发送的数据， 该 数据为以太网数据格式。
步骤 502、 所述 PLC通信模块或设备通过所述市电网络， 向核心网侧的 所述 PLC网桥及交换模块或设备发送所述数据；
本步骤中， PLC通信模块或设备通过市电网络发送数据， 在市电网络内 可釆用 PLC方式通信。
步骤 503、 所述 PLC网桥及交换模块或设备将通过所述市电网络接收到 的数据传输至核心网；
本步骤中， PLC网桥及交换模块或设备在接收到自 PLC通信模块或设备 发送的数据后， 将该数据传输至核心网， 具体的， 传输至核心网侧接入实体。
至此， 基站向核心网侧发送数据的流程结束。
下面结合图 6, 对使用本发明的实施例提供的数据传输方法完成自核心 网侧向基站发送数据的流程进行说明：
步骤 601、 所述 PLC网桥及交换模块或设备获取核心网侧待向基站发送 的数据； 本步骤中， PLC网桥及交换模块或设备获取基站待向核心网侧发送的数 据， 该数据为以太网数据格式。
步骤 602、 所述 PLC网桥及交换模块或设备通过所述市电网络， 向所述 PLC通信模块或设备发送所述数据；
步骤 603、 所述 PLC通信模块或设备将通过市电网络接收到的所述 PLC 网桥及交换模块或设备接收的数据发送至基站。
至此， 自核心网侧向基站发送数据的流程结束。
本发明的实施例提供了一种数据传输方法和系统， 在基站侧添加 PLC通 信模块或设备，在核心网侧添加 PLC网桥及交换模块或设备， 所述 PLC通信 模块或设备与 PLC网桥及交换模块或设备通过市电网络连接，所述 PLC通信 模块或设备获取基站待向核心网侧发送的数据， 然后所述 PLC通信模块或设 备通过所述市电网络， 向核心网侧的所述 PLC网桥及交换模块或设备发送所 述数据， 实现了通过市电网络的 PLC通信方式进行接入实体拉远， 解决了现 有接入实体拉远施工成本高的问题。
电力线通信 PLC ( Power Line Communication )技术， 是一种借助电力线 传输高带宽数字信号的技术。利用 1.0MHz ~ 30.0MHz的频带，釆用正交频分 复用 （OFDM )数字调制技术， 可以达到上百兆的传输带宽， 更为有利的一 点， 该技术是利用现有室内电力传输网络， 无需单独架设。 本发明实施例中， 在核心网侧接入实体与基站之间， 利用各自供电线缆， 由接入实体内部集成 或外部设置的 PLC网桥及交换模块或设备和基站内部集成或外部设置的 PLC 通信模块或设备， 釆用 PLC方式所构成的电力线通信来代替现有釆用专门线 缆传输的有线通信， 从而避免了组网布线的施工复杂度； 无需光缆、 E1/T1 传输线缆或网线， 从而节约了材料成本； 而且组网灵活、 布点方便。
本领域普通技术人员可以理解上述实施例的全部或部分步骤可以使用计 算机程序流程来实现，所述计算机程序可以存储于一计算机可读存储介质中， 所述计算机程序在相应的硬件平台上（如系统、 设备、 装置、 器件等）执行， 在执行时， 包括方法实施例的步骤之一或其组合。
可选地， 上述实施例的全部或部分步骤也可以使用集成电路来实现， 这 些步骤可以被分别制作成一个个集成电路模块， 或者将它们中的多个模块或 步骤制作成单个集成电路模块来实现。 这样， 本发明不限制于任何特定的硬 件和软件结合。
上述实施例中的各装置 /功能模块 /功能单元可以釆用通用的计算装置来 实现， 它们可以集中在单个的计算装置上， 也可以分布在多个计算装置所组 成的网络上。
上述实施例中的各装置 /功能模块 /功能单元以软件功能模块的形式实现 并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储介质中。 上述提到的计算机可读取存储介质可以是只读存储器， 磁盘或光盘等。
任何熟悉本技术领域的技术人员在本发明实施例揭露的技术范围内， 可 轻易想到变化或替换， 都应涵盖在本发明的保护范围之内。 因此， 本发明的 保护范围应以权利要求所述的保护范围为准。
工业实用性
本发明实施例提供了一种数据传输方法和系统， 在基站侧添加 PLC通信 模块或设备，在核心网侧添加 PLC网桥及交换模块或设备， 所述 PLC通信模 块或设备与 PLC网桥及交换模块或设备通过市电网络连接，所述 PLC通信模 块或设备获取基站待向核心网侧发送的数据， 然后所述 PLC通信模块或设备 通过所述市电网络， 向核心网侧的所述 PLC网桥及交换模块或设备发送所述 数据， 反之， 所述 PLC网桥及交换模块或设备获取核心网侧接入实体待向基 站发送的数据； 所述 PLC网桥及交换模块或设备通过所述市电网络， 向基站 侧的 PLC通信模块或设备发送所述数据；所述 PLC通信模块或设备将接收到 的数据传给基站设备。 实现了通过市电网络的 PLC通信方式进行接入实体拉 远， 解决了现有方案施工成本高和除市电网络外需要单独架设光缆或网线造 成的施工复杂的问题。

Claims

权 利 要 求 书
1、 一种数据传输方法， 其特征在于， 在基站侧添加电力线通信（PLC ) 传输模块或设备，在核心网侧添加 PLC网桥及交换模块或设备， 所述 PLC通 信模块或设备与 PLC网桥及交换模块或设备通过市电网络连接，该方法包括： 所述 PLC通信模块或设备获取基站待向核心网侧发送的数据；
所述 PLC通信模块或设备通过所述市电网络，向核心网侧的所述 PLC网 桥及交换模块或设备发送所述数据。
2、 根据权利要求 1所述的数据传输方法， 其中， 所述 PLC通信模块或 设备通过所述市电网络， 向核心网侧的所述 PLC网桥及交换模块或设备发送 所述数据包括：
所述 PLC通信模块或设备通过所述市电网络，向核心网侧的所述 PLC网 桥及交换模块或设备发送以太网数据格式的所述数据。
3、 根据权利要求 1所述的数据传输方法， 还包括
在所述 PLC通信模块或设备通过所述市电网络， 向核心网侧的所述 PLC 网桥及交换模块或设备发送所述数据的步骤之后， 所述 PLC网桥及交换模块 或设备将通过所述市电网络接收到的数据传输至核心网侧接入实体。
4、 一种数据传输方法， 其特征在于， 在基站侧添加 PLC通信模块或设 备，在核心网侧添加 PLC网桥及交换模块或设备， 所述 PLC通信模块或设备 与 PLC网桥及交换模块或设备通过市电网络连接， 该方法包括：
所述 PLC网桥及交换模块或设备获取核心网侧待向基站发送的数据； 所述 PLC网桥及交换模块或设备通过所述市电网络，向所述 PLC通信模 块或设备发送所述数据。
5、 根据权利要求 4所述的数据传输方法， 其中， 所述 PLC网桥及交换 模块或设备通过所述市电网络， 向所述 PLC通信模块或设备发送所述数据包 括：
所述 PLC网桥及交换模块或设备通过所述市电网络，向所述 PLC通信模 块或设备发送以太网数据格式的所述数据。
6、 根据权利要求 4所述的数据传输方法， 还包括，
在所述 PLC网桥及交换模块或设备通过所述市电网络，向所述 PLC通信 模块或设备发送所述数据的步骤之后， 所述 PLC通信模块或设备将通过市电 网络接收到的所述 PLC网桥及交换模块或设备接收的数据发送至基站。
7、 一种数据传输系统， 包括： 置于基站侧的 PLC通信模块和置于核心 网侧的 PLC网络及交换模块， 所述 PLC通信模块和所述 PLC网桥及交换模 块通过市电网络连接；
所述 PLC通信模块，设置为获取基站待向核心网侧接入实体发送的数据 , 并通过所述市电网络向所述 PLC网桥及交换模块发送所述数据。
8、 根据权利要求 7所述的数据传输系统，
所述 PLC网桥及交换模块， 还设置为获取核心网侧接入实体待向基站发 送的数据， 并通过所述市电网络， 向所述 PLC通信模块发送所述数据；
所述 PLC通信模块 ,还设置为将通过市电网络接收到的所述 PLC网桥及 交换模块发送的数据发送至基站。
9、 根据权利要求 7所述的数据传输系统， 其中， 所述 PLC通信模块集 成于所述基站内部作为一个功能模块， 所述基站为微基站（MICRO )或微微 基站（PICO )或家庭基站（FEMTO )或宏基站（MACRO ) 。
10、 根据权利要求 7所述的数据传输系统， 其中， 所述 PLC网桥及交换 模块集成于所述核心网侧接入实体内部作为一个功能模块， 所述核心网侧接 入实体为移动蜂窝系统中的核心网或无线网络控制器或移动交换中心或级联 基站。
11、 一种数据传输系统， 包括： 置于基站侧的 PLC通信模块和置于核心 网侧的 PLC网络及交换设备， 所述 PLC通信模块和所述 PLC网桥及交换设 备通过市电网络连接；
所述 PLC通信模块，设置为获取基站待向核心网侧接入实体发送的数据， 并通过所述市电网络向所述 PLC网桥及交换设备发送所述数据。
12、 根据权利要求 11所述的数据传输系统，
所述 PLC网桥及交换设备， 还设置为获取核心网侧接入实体待向基站发 送的数据， 并通过所述市电网络， 向所述 PLC通信模块发送所述数据； 所述 PLC通信模块 ,还设置为将通过市电网络接收到的所述 PLC网桥及 交换设备发送的数据发送至基站。
13、 根据权利要求 11所述的数据传输系统， 其中， 所述 PLC通信模块 集成于所述基站内部作为一个功能模块， 所述基站为微基站（MICRO )或微 微基站（PICO )或家庭基站（FEMTO )或宏基站（MACRO ) 。
14、 根据权利要求 11所述的数据传输系统， 其中， 所述 PLC网桥及交 换设备与所述核心网侧接入实体连接， 所述核心网侧接入实体为移动蜂窝系 统中的核心网或无线网络控制器或移动交换中心或级联基站。
15、 一种数据传输系统， 包括： 置于基站侧的 PLC通信设备和置于核心 网侧的 PLC网络及交换模块， 所述 PLC通信设备和所述 PLC网桥及交换模 块通过市电网络连接；
所述 PLC通信设备，设置为获取基站待向核心网侧接入实体发送的数据， 并通过所述市电网络向所述 PLC网桥及交换模块发送所述数据。
16、 根据权利要求 15所述的数据传输系统，
所述 PLC网桥及交换模块， 还设置为获取核心网侧接入实体待向基站发 送的数据， 并通过所述市电网络， 向所述 PLC通信设备发送所述数据；
所述 PLC通信设备，还设置为将通过市电网络接收到的所述 PLC网桥及 交换模块发送的数据发送至基站。
17、 根据权利要求 15所述的数据传输系统， 其中， 所述 PLC通信设备 与所述基站相连， 所述基站为微基站（MICRO )或微微基站（PICO )或家庭 基站（FEMTO )或宏基站（MACRO ) 。
18、 根据权利要求 15所述的数据传输系统， 其中， 所述 PLC网桥及交 换模块集成于所述核心网侧接入实体中作为一个功能模块， 所述核心网侧接 入实体为移动蜂窝系统中的核心网或无线网络控制器或移动交换中心或级联 基站。
19、 一种数据传输系统， 包括： 置于基站侧的 PLC通信设备和置于核心 网侧的 PLC网络及交换设备， 所述 PLC通信设备和所述 PLC网桥及交换设 备通过市电网络连接； 所述 PLC通信设备，设置为获取基站待向核心网侧接入实体发送的数据， 并通过所述市电网络向所述 PLC网桥及交换设备发送所述数据。
20、 根据权利要求 19所述的数据传输系统，
所述 PLC网桥及交换设备， 还设置为获取核心网侧接入实体待向基站发 送的数据， 并通过所述市电网络， 向所述 PLC通信设备发送所述数据；
所述 PLC通信设备，还设置为将通过市电网络接收到的所述 PLC网桥及 交换模设备发送的数据发送至基站。
21、 根据权利要求 19所述的数据传输系统， 其中，
所述 PLC通信设备与所述基站相连， 所述基站为微基站（ MICRO )或微 微基站（PICO )或家庭基站（FEMTO )或宏基站（MACRO ) 。
22、 根据权利要求 19所述的数据传输系统， 其中，
所述 PLC网桥及交换设备与所述核心网侧接入实体相连， 所述核心网侧 接入实体为移动蜂窝系统中的核心网或无线网络控制器或移动交换中心或级 联基站。
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