WO2011144053A2 - 一种多模基站、在多模基站内进行通信的方法和装置 - Google Patents

一种多模基站、在多模基站内进行通信的方法和装置 Download PDF

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Publication number
WO2011144053A2
WO2011144053A2 PCT/CN2011/074380 CN2011074380W WO2011144053A2 WO 2011144053 A2 WO2011144053 A2 WO 2011144053A2 CN 2011074380 W CN2011074380 W CN 2011074380W WO 2011144053 A2 WO2011144053 A2 WO 2011144053A2
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Prior art keywords
board
base station
standard
mac address
mac
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PCT/CN2011/074380
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English (en)
French (fr)
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WO2011144053A3 (zh
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余卫东
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华为技术有限公司
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Priority to CN201180000496.7A priority Critical patent/CN103477700B/zh
Priority to PCT/CN2011/074380 priority patent/WO2011144053A2/zh
Publication of WO2011144053A2 publication Critical patent/WO2011144053A2/zh
Publication of WO2011144053A3 publication Critical patent/WO2011144053A3/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W88/00Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08Access point devices
    • H04W88/10Access point devices adapted for operation in multiple networks, e.g. multi-mode access points

Definitions

  • Multi-mode base station method and device for communicating in multi-mode base station
  • the present invention relates to the field of wireless communication technologies, and in particular, to a multimode base station, and a method and apparatus for communicating in a multimode base station. Background technique
  • a dual-mode base station capable of supporting both GSM (Global System of Mobile communication) and UMTS (Universal Mobile Telecommunications System) wireless systems is called a GU dual-mode base station.
  • a dual mode base station is internally formed by a combination of boards supporting two different wireless standards.
  • FIG. 1 is a schematic structural diagram of a dual mode macro base station in the prior art.
  • the BBU (Base Band Unit) of the dual-mode base station includes two main control boards of different standards, two service boards of different standards, and two different types of transmission interface boards.
  • the transport interface board and the service board in the GSM system are combined with the main control board, and the transport interface board in the UMTS system is integrated with the service board.
  • the GSM system and the UMTS standard RF module are common mode.
  • an embodiment of the present invention provides a multimode base station, and a method and apparatus for communicating in a multimode base station, so as to be capable of simultaneously supporting three or more different wireless systems.
  • a method of communicating in a multimode base station comprising: The first mode board obtains the medium access control MAC address of the second system board, where the multimode base station includes at least two baseband units, and the at least two baseband units each include more than one single board, the first system The board and the second system board are different types of boards on the same or different baseband units in the multimode base station, and a communication link is established between the first system board and the second system board; The board sends the MAC address of the MAC address of the second-standard board to the second-standard board through the communication link between the first-type board and the second-type board. Performing a task according to the type of task indicated in the MAC message.
  • a multi-mode base station comprising: at least two baseband units, each of the at least two baseband units includes one or more boards, and the multi-mode base station has at least a first-standard board and a system different in standard The two-standard single-board, the first-standard single-board and the second-standard single-board are located on the same or different baseband units, and a communication link is established between the first-standard single-board and the second-standard single-board;
  • the first standard board is configured to obtain the MAC address of the second standard board, and the MAC address of the MAC address of the second standard board is obtained between the first standard board and the second type board.
  • the communication link is sent to the second standard board;
  • the second standard board is configured to perform a task according to the type of the task indicated in the received MAC packet.
  • the boards of different standards in the multimode base station are located in the same Or on different baseband units, so that the multi-mode base station internally includes at least three boards of different wireless systems.
  • a communication link is established between the different types of boards, so that the baseband units in the multi-mode base station are interconnected, so that at least three different types of boards are communicated in the multi-mode base station on the internal connection.
  • multimode base stations are supported to support more than three different wireless standards.
  • FIG. 1 is a schematic structural diagram of a dual mode macro base station in the prior art
  • 2 is a flow chart of an embodiment of a method for performing communication in a multi-mode base station according to the present application
  • FIG. 3 is a flowchart of an embodiment of a method for performing communication in a four-mode base station according to the present application
  • FIG. 5 is a schematic diagram of a format of a MAC message according to an embodiment of a method for performing communication in a multimode base station according to the present application;
  • FIG. 6 is a structural diagram of an embodiment of a multimode base station according to the present application.
  • FIG. 7 is a schematic structural diagram of a communication node on a board of any one of the standards in the present application
  • FIG. 8 is a structural diagram of another embodiment of a multimode base station according to the present application
  • FIG. 9 is a schematic diagram of a specific architecture of a three-mode base station according to the present application. detailed description
  • two or more baseband units are combined to form a multi-mode base station in which the baseband unit is interconnected.
  • a communication link is established between the different types of boards in the multi-mode base station by using the L2 switching technology, so that the boards of different modes communicate in the multi-mode base station.
  • FIG. 2 is a flowchart of an embodiment of a method for communicating in a multimode base station according to the present application, including the following steps:
  • Step 201 The first mode board acquires a medium access control MAC address of the second system board, where the multimode base station includes at least two baseband units, and the at least two baseband units each include more than one single board.
  • a standard board and a second system board are different types of boards on the same or different baseband units in the multimode base station, and communication is established between the first system board and the second system board.
  • the multimode base station can simultaneously support at least three different wireless systems, that is, the multimode base station can simultaneously support at least three boards of different systems.
  • the multimode base station at this time is a dual mode base station.
  • the three wireless systems of GSM, UMTS and LTE are simultaneously taken as an example to describe the communication method in the three-mode base station, and the multi-mode base station of other standards is used. The communication method is the same.
  • the three-mode base station includes two baseband units, a baseband unit 1 and a baseband unit 2.
  • Each of the two baseband units includes a board of different standards, for example, a three-mode base station supporting three wireless systems of GSM, UMTS and LTE.
  • the baseband unit 1 includes a single board of the GSM system and a board of the UMTS system
  • the baseband unit 2 includes a single board of the LTE system.
  • the GSM standard board, the UMTS system board, and the LTE system board can be distributed on the two baseband units in any manner.
  • the boards of the various standards are on the baseband unit. The distribution is not limited.
  • a communication link is established between the GSM standard board and the UMTS system board and the LTE system board by the L2 switching technology.
  • the L2 switching technology is used between the GSM standard board and the UMTS system board.
  • a communication link is established between the UMTS standard board and the LTE standard board.
  • the above-mentioned communication link also has other forms of construction.
  • the embodiment of the present application does not limit the manner in which the communication link is formed.
  • the first-standard board and the second-type board that communicate with each other can be located on the same baseband unit in the three-mode base station.
  • the board of the GSM system and the board of the UMTS system are located at the same
  • the first system board and the second system board can also be located on different baseband units.
  • the GSM system board and the LTE system board are located on different baseband units.
  • the GSM standard board and the LTE standard board located on different baseband units are used as the first system board and the second system board.
  • the first standard board (the board of the GSM system) can communicate with the board of the second system (the board of the LTE system).
  • the MAC address of the board of the second system (the board of the LTE system) is obtained.
  • the method for obtaining the MAC address of the board of the second standard is that the first standard board is connected.
  • a GSM-type board, a UMTS-type board, and an LTE-type board broadcast a MAC packet carrying a standard type and a MAC address of the board.
  • the GSM-based board broadcasts the GSM standard board and the MAC address of the MAC card to the UMTS board and the LTE board.
  • the MAC addresses of the boards of each system can be obtained from the boards of the three different modes in the three-mode base station.
  • the first-standard board finds the MAC address of the second-standard board according to the correspondence between the type of the standard format and the MAC address saved by the first-standard board.
  • the correspondence between each system type and the MAC address is pre-stored on all the boards of the standard base station.
  • a GSM-type board pre-store three correspondences of different standard types and MAC addresses, that is, a GSM-MAC (A) address.
  • UMTS-MAC B
  • LTE-MAC C
  • the GSM standard board can obtain the MAC address of the LTE standard board by searching for the pre-stored correspondence.
  • a communication link is established between the first-standard veneer and the second-standard veneer through a layer two L2 exchange technology.
  • Step 202 The first-standard board sends the MAC address of the MAC address of the second-standard board to the second-standard board through the communication link between the first-type board and the second-type board.
  • the second standard board performs the task according to the type of the task indicated in the MAC message.
  • the first standard board sends the MAC address of the MAC address of the second-standard board to the second system through the communication link between the first-type board and the second-type board.
  • the board includes: a first communication node located on the first system board, according to the correspondence between the MAC address learned by the MAC address and the port, the port corresponding to the MAC address of the second standard board is found, where All the boards in the multi-mode base station include one communication node, and a communication link is established between the communication nodes by using the L2 switching technology; the first communication node sends the MAC packet to the port through the port a next communication node in the communication link such that the next communication node forwards the MAC message along a communication link between the communication nodes until the MAC is to be The message is sent to the second communication node located on the second system board.
  • three different types of boards in a three-mode base station each include a communication node, and three communication nodes establish a communication link through L2 switching technology.
  • the GSM system board sends the MAC address of the MAC address of the LTE standard board to the first communication node on the GSM system board in the communication link, and the MAC address learned by the first communication node according to the MAC address.
  • the port corresponding to the destination address in the MAC address is obtained, that is, the port corresponding to the MAC address of the LTE system board is obtained.
  • the first communication node sends the MAC packet to the next communication node in the communication link through the port.
  • the UMTS standard board and A communication link is established between the LTE standard boards. Therefore, in the entire communication link, the next communication node is a communication node on the UMTS standard board, and the communication node continues along the communication link.
  • the MAC packet is forwarded to the second communication node of the LTE system, and finally the MAC packet is sent to the LTE standard board through the communication link.
  • an implementation manner provided by the embodiment of the present invention is that there are two communication nodes, one communication node is located on the first system board, and the other communication node is located on the second system board, and the first system board is on the first system board.
  • the first communication node sends the message to the second communication node on the second system board.
  • a multimode base station since at least two baseband units are included, and each of the baseband units includes more than one single board, the boards of different standards in the multimode base station are located in the same Or on different baseband units, so that the multi-mode base station internally includes at least three boards of different wireless systems. At the same time, a communication link is established between the different types of boards, so that the baseband units in the multi-mode base station are interconnected, so that at least three different types of boards are communicated in the multi-mode base station on the internal connection. . Finally, multimode base stations are supported to support more than three different wireless standards. Embodiment 2
  • FIG. 3 is a flowchart of an embodiment of a method for communicating in a four-mode base station according to the present application, including the following steps:
  • Step 301 In a four-mode base station, four communication sections respectively located on four boards of different systems The point is established by the L2 switching technology, and a communication link is established between the four different types of boards.
  • the four-mode base station includes two baseband units, and the two baseband units each include two different types of boards. Each board includes a communication node;
  • the four-mode base station includes two baseband units 1 and 2, and the baseband unit 1 further includes two boards of different systems: A-type single board and B-type single board, and the baseband unit 2 includes two Boards of different standards: C-type single board and D-type single board.
  • the boards of the four standards A, B, C, and D each include a communication node, namely: communication nodes 1, 2, 3, and 4.
  • a communication link is established between the A and B boards, between the B and C boards, and between the C and D boards by the communication nodes 1, 2, 3, and 4.
  • Step 302 The four boards of the A, B, C, and D systems respectively broadcast the type of the own system and
  • the four communication nodes on the four boards perform MAC address learning according to the broadcast MAC address.
  • the A-type board broadcasts MAC packets to the boards of the B, C, and D standards.
  • the MAC packets carry the standard type (A format) and MAC address (MAC1) of the A-type board.
  • cards of other standards broadcast MAC messages in the same way.
  • the board of each system obtains the correspondence between the standard type and the MAC address of all the boards, namely: A system - MAC 1, B system - MAC2, C system - MAC3, D system -MAC4.
  • the four communication nodes on the four boards learn the MAC address according to the MAC packet, and obtain the correspondence between the MAC address and the port.
  • the four-mode base station needs to send a MAC message for communication between the base station and the base station controller in the public network in addition to transmitting the MAC message for communication within the four-mode base station, in order to further enable Different types of packets are distinguished to avoid packet collisions.
  • the type of the MAC packet is differentiated by adding a type identifier in the MAC packet.
  • the TYPE field in the MAC packet is used as the type identifier.
  • the MAC packet at this time is used for communication within the multimode base station.
  • Step 303 When the board of the A system communicates with the board of the C system, the board of the A system obtains the MAC message broadcasted by the board of the C system.
  • the A system board has obtained the C system -MAC3.
  • Step 304 The A-type board sends a MAC packet with the destination address of MAC3 to the communication node 1 on the board of the A-type board, where the MAC packet carries the task for instructing the C-type board to perform the task operation.
  • Type identifier
  • Step 305 The communication node 1 sends the MAC address of the destination MAC address to the second communication node located on the B-type board through the corresponding port according to the correspondence between the MAC address and the port learned by the MAC address.
  • Step 306 The communication node 2 sends the MAC address of the MAC address to the third communication node located on the C-type board through the corresponding port according to the correspondence between the MAC address learned by the MAC address and the port;
  • Step 307 The third communication node sends the received MAC packet to the C-type board, and the C-type board performs the corresponding task operation according to the task type indicated in the MAC packet.
  • a multimode base station since at least two baseband units are included, and each of the baseband units includes more than one single board, the boards of different standards in the multimode base station are located in the same Or on different baseband units, so that the multi-mode base station internally includes at least three boards of different wireless systems. At the same time, a communication link is established between the different types of boards, so that the baseband units in the multi-mode base station are interconnected, so that at least three different types of boards are communicated in the multi-mode base station on the internal connection. . Finally, multimode base stations are supported to support more than three different wireless standards.
  • Embodiment 3 This embodiment of the present application further provides a multimode base station. Please refer to FIG.
  • the multi-mode base station includes: at least two baseband units 601, each of which includes at least one single board 601a, and the multi-mode base station has at least a first-standard single board and a second system having different standards.
  • the first board and the second board are located on the same or different baseband units, and a communication link is established between the first system board and the second system board.
  • the first standard board is used to obtain the MAC address of the second standard board, and the destination address is the second.
  • the MAC address of the MAC address of the board is sent to the second board through the communication link between the first board and the second board.
  • the second standard board is configured to perform a task according to the type of the task indicated in the received MAC packet.
  • FIG. 7 is a schematic structural diagram of a first communication node on a board of the first system in the present application, where the first system board includes a first communication node 601 b, and the first communication node 601 b includes : a search unit 701 and a sending unit 702, where
  • the searching unit 701 is configured to: find a port corresponding to the MAC address of the second standard board according to the correspondence between the MAC address learned by the MAC address and the port;
  • the sending unit 702 is configured to send, by using the port, a MAC message to a communication node located on another board connected through a communication link, so that the communication node on the another board follows the communication The communication link between the nodes forwards the MAC packet until the MAC packet is sent to the second communication node located on the second system board.
  • the first communication node is located on a main control board or a transmission interface board of the first system board.
  • the first system board and the second system board share the same radio frequency module.
  • a three-mode base station supporting the GSM system, the UMTS system, and the LTE system is used as an example.
  • the GSM standard board is combined with the UMTS standard board to share the radio frequency module, and the UMTS standard board and the LTE standard board are combined.
  • a radio module is shared, or a GSM card is combined with a UMTS card to share a radio module.
  • the LTE card has a radio module.
  • At least two baseband units 601 each further include an external communication module 601c for implementing communication between the multimode base station and the base station controller.
  • FIG. 8 is a structural diagram of another embodiment of a multi-mode base station of the present application.
  • the type field of the MAC packet is used to indicate the location.
  • the type of the MAC message, the type of the MAC message includes communication for use in a multimode base station and communication between the multimode base station and the base station controller.
  • FIG. 9 is a schematic diagram of a specific architecture of a three-mode base station according to the present application.
  • the function of the external communication module 601c and the communication node 601b may be used for communication between the baseband units.
  • the function integration is implemented on a control chip, that is, integrated on the external switch chip in FIG. 9, and the function of communication between the boards in different communication systems in the same baseband unit is shown in FIG. Implemented on the switch chip. Therefore, as shown in FIG.
  • each of the main control boards includes two switching chips: an external switching chip and an internal switching chip, and an external switching chip is used for communication between the baseband units, and External communication between the three-mode base station and the base station controller, and the internal switch chip is used for communication between boards of different standards in the same baseband unit.
  • the external switch chip Since the external switch chip is used for communication between the baseband units and external communication between the base station and the base station controller, the external switch chip needs to have a logic selection function for function switching. In practical applications, it can be implemented using a hardware structure with logic functions.
  • the internal switch chip is only used for communication between boards of different standards in the same baseband unit. Therefore, in practical applications, the internal switch chip can be implemented by using only hardware.
  • the external switch chip is exchanged and routed to layer 3.
  • the external switch chip can also implement multi-mode base station and base station controller through communication of the Abis/Iub/sl interface. Communication between.
  • the second standard board is further configured to broadcast a MAC packet to the other board of the multi-mode base station except the second-standard board, where the MAC packet carries the standard type of the board itself. And the MAC address; the first-standard board is also used to receive the MAC packet broadcast by the second-standard board.
  • a multimode base station since at least two baseband units are included, and each of the baseband units includes more than one single board, the boards of different standards in the multimode base station are located in the same Or on different baseband units, so that the multi-mode base station internally includes at least three boards of different wireless systems. At the same time, a communication link is established between the different types of boards, so that the baseband units in the multi-mode base station are interconnected, so that at least three different types of boards are communicated in the multi-mode base station on the internal connection. . Finally, multi-mode base stations are supported to support more than three different wireless standards.
  • the storage medium may be a magnetic disk, an optical disk, a read-only memory (ROM), or a random access memory (Random Access Memory, RAM) and so on.

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Abstract

本发明公开了一种多模基站(BS)、在多模BS内进行通信的方法和装置。所述在多模BS内进行通信的方法包括:第一制式单板获取第二制式单板的介质访问控制(MAC)地址,其中,多模BS包括至少两个基带单元,所述至少两个基带单元各包括一个以上的单板,第一制式单板与第二制式单板为多模基站内位于相同或者不同的基带单元上的不同制式的单板,第一制式单板和第二制式单板之间建立有通信链路(201);第一制式单板将目的地址为第二制式单板的MAC地址的MAC报文,通过第一制式单板与第二制式单板之间的通信链路发送给第二制式单板,以便第二制式根据所述MAC报文中指示的任务类型执行任务(202)。根据本申请实施例,能够同时支持三种以上不同的无线制式。

Description

一种多模基站、 在多模基站内进行通信的方法和装置 技术领域
本发明涉及无线通信技术领域, 特别是涉及一种多模基站、在多模基站内 进行通信的方法和装置。 背景技术
随着技术的进步以及应用的需求, 出现了一种双模基站, 双模基站可以同 时支持两种不同的无线制式。 例如, 能够同时支持 GSM ( Global System of Mobile communication , 全球移动通信系统) 和 UMTS ( Universal Mobile Telecommunications System,通用移动通信系统)两种无线制式的基站称为 GU 双模基站。 通常, 双模基站内部是由支持两种不同无线制式的单板组合形成。 请参阅图 1 , 其为现有技术中一种双模宏基站的结构示意图。 如图 1所示, 在 双模基站的 BBU ( Base Band Unit, 基带单元 )上包括有两个不同制式的主控 板、 两个不同制式的业务单板和两个不同制式的传输接口单板, 其中, GSM 制式下的传输接口单板、 业务单板与主控板合一, 而 UMTS制式下的传输接 口单板与业务单板合一。 同时, GSM制式和 UMTS制式的射频模块共模。
随着通信技术的演进, 为了能够对多种不同的无线网络进行融合, 网络运 营商需要基站能够同时支持更多种不同的无线制式, 即, 需要一种能够同时支 持三种以上不同的无线制式的多模基站。 然而, 由于单个 BBU支持的槽位有 限, 其只能同时支持两个不同的无线制式, 因此, 4艮难同时支持至少三种不同 的无线制式。 发明内容
为了解决上述技术问题, 本发明实施例提供了一种多模基站、在多模基站 内进行通信的方法和装置, 以能够同时支持三种以上不同的无线制式。
本发明实施例公开了如下技术方案:
一种在多模基站内进行通信的方法, 包括: 第一制式单板获取第二制式单板的介质访问控制 MAC地址, 其中, 多模 基站包括至少两个基带单元, 所述至少两个基带单元各包括有一个以上的单 板,第一制式单板与第二制式单板为多模基站内位于相同或者不同的基带单元 上的不同制式的单板, 第一制式单板和第二制式单板之间建立有通信链路; 第一制式单板将目的地址为第二制式单板的 MAC地址的 MAC报文, 通 过第一制式单板与第二制式单板之间的通信链路发送给第二制式单板,以便第 二制式单板根据所述 MAC报文中指示的任务类型执行任务。
一种多模基站, 包括: 至少两个基带单元, 在所述至少两个基带单元中各 包括有一个以上的单板,该多模基站中至少有制式不相同的第一制式单板和第 二制式单板, 第一制式单板与第二制式单板位于相同或者不同的基带单元上, 第一制式单板和第二制式单板之间建立有通信链路;
第一制式单板, 用于获取第二制式单板的 MAC地址, 将目的地址为第二 制式单板的 MAC地址的 MAC报文, 通过第一制式单板与第二制式单板之间 的通信链路发送给第二制式单板;
第二制式单板, 用于根据接收的 MAC报文中指示的任务类型执行任务。 由上述实施例可以看出, 在多模基站内, 由于包括有至少两个基带单元, 并且在每个基带单元中又各包括一个以上的单板,多模基站内不同制式的单板 位于相同或者不同的基带单元上,从而在内部结构上,使该多模基站内部包含 了至少三种不同无线制式的单板。同时,不同制式单板之间又建立有通信链路, 从而使多模基站内的各个基带单元之间互联,从而在内部连接上, 实现至少三 种不同制式单板在多模基站内部进行通信。 最终, 实现多模基站同时支持三种 以上不同的无线制式。 附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案,下面将对实施 例或现有技术描述中所需要使用的附图作筒单地介绍,显而易见地, 下面描述 中的附图仅仅是本发明的一些实施例,对于本领域普通技术人员来讲, 在不付 出创造性劳动性的前提下, 还可以根据这些附图获得其他的附图。
图 1为现有技术中一种双模宏基站的结构示意图; 图 2为本申请一种在多模基站内进行通信的方法的一个实施例的流程图; 图 3为本申请一种在四模基站内进行通信的方法的一个实施例的流程图; 图 4 为本申请一种在四模基站内进行通信的方法的一个实施例的通信链 路结构示意图;
图 5为本申请一种在多模基站内进行通信的方法的一个实施例的 MAC报 文的格式示意图;
图 6为本申请一种多模基站的一个实施例的结构图;
图 7为本申请中位于任意一个制式的单板上的通信节点的结构示意图; 图 8为本申请一种多模基站的另一个实施例的结构图;
图 9为本申请一种三模基站的具体架构示意图。 具体实施方式
为使本发明的上述目的、特征和优点能够更加明显易懂, 下面结合附图对 本发明实施例进行详细描述。 在本申请实施例中, 为了能够同时支持三种以上不同的无线制式,将两个 以上基带单元组合在一起, 形成基带单元互联方式的多模基站。在由基带单元 互联方式构成的多模基站中, 通过 L2交换技术, 在多模基站内各个不同制式 单板之间建立通信链路, 以便不同制式单板在多模基站内部进行通信。
为使本发明的上述目的、特征和优点能够更加明显易懂, 下面结合附图对 本发明实施例进行详细描述。 实施例一
请参阅图 2, 其为本申请一种在多模基站内进行通信的方法的一个实施例 的流程图, 包括以下步骤:
步骤 201: 第一制式单板获取第二制式单板的介质访问控制 MAC地址, 其中, 多模基站包括至少两个基带单元, 所述至少两个基带单元各包括有一个 以上的单板,第一制式单板与第二制式单板为多模基站内位于相同或者不同的 基带单元上的不同制式的单板,第一制式单板和第二制式单板之间建立有通信 链路;
在本实施例中, 多模基站可以同时支持至少三个不同的无线制式, 即, 多 模基站可以同时支持至少三个不同制式的单板。特别的, 当多模基站同时支持 两个不同制式的单板是, 此时的多模基站即为一个双模基站。 为了更加方便地 描述多模基站内的通信方法, 在本实施例中以同时支持 GSM、 UMTS和 LTE 三种无线制式为例, 来说明在三模基站中的通信方法, 其它制式的多模基站的 通信方法与此相同。
三模基站包括两个基带单元, 基带单元 1和基带单元 2, 两个基带单元上 各包括有不同制式的单板, 如, 对于同时支持 GSM、 UMTS和 LTE三种无线 制式的三模基站来说,基带单元 1上包括 GSM制式的单板和 UMTS制式的单 板, 基带单元 2上包括 LTE制式的单板。 需要说明的是, GSM制式的单板、 UMTS制式的单板和 LTE制式的单板可以以任意一种方式分布在两个基带单 元上, 本申请实施例对各个制式的单板在基带单元上的分布方式并不限定。在 GSM制式的单板、 UMTS制式的单板和 LTE制式的单板之间通过 L2交换技 术建立一条通信链路, 例如, 通过 L2交换技术, GSM制式的单板和 UMTS 制式的单板之间、 UMTS制式的单板和 LTE制式的单板之间建立了一条通信 链路。 当然, 当三种制式的单板以其它的方式分布于两个基带单元上时, 上述 通信链路也存在其它的组建方式,本申请实施例对通信链路的组建方式并不进 行限定。
在三模基站中,彼此之间进行通信的第一制式单板和第二制式单板可以位 于三模基站内相同的基带单元上, 例如, GSM制式的单板和 UMTS制式的单 板位于同一个基带单元上, 除此之外, 第一制式单板和第二制式单板也可以位 于不同的基带单元上, 例如, GSM制式的单板和 LTE制式的单板位于不同的 基带单元上。
下面则进一步将位于不同基带单元上的 GSM制式的单板和 LTE制式的单 板作为第一制式单板和第二制式单板。 第一制式单板(GSM制式的单板)为 了能够与第二制式单板( LTE制式的单板 )进行通信, 首先要获取第二制式的 单板( LTE制式的单板 ) 的 MAC地址。
其中, 一种获取第二制式的单板的 MAC地址的方式是, 第一制式单板接 收第二制式单板广播的携带有第二制式单板的制式类型和 MAC地址的 MAC 报文, 其中, 多模基站内各个不同制式的单板向多模基站内其它制式的单板广 播携带单板自身的制式类型和 MAC地址的 MAC报文。
例如, 在三模基站内, GSM制式的单板、 UMTS制式的单板和 LTE制式 的单板相互广播携带单板自身的制式类型和 MAC地址的 MAC报文。以 GSM 制式的单板为例, GSM制式的单板向 UMTS制式的单板和 LTE制式的单板广 播携带 GSM制式的单板的制式类型和 MAC地址的 MAC报文。 经过广播后, 三模基站中三个不同制式的单板都可以获得各个制式单板的 MAC地址。
另一种获取第二制式单板的 MAC地址的方式是: 第一制式单板根据自身 保存的各个制式类型与 MAC地址的对应关系, 查找到第二制式单板的 MAC 地址, 其中, 在多模基站内的所有制式的单板上预先保存有各个制式类型与 MAC地址的对应关系。
例如, 在三模基站内, GSM制式的单板、 UMTS制式的单板和 LTE制式 的单板都预先保存有三种不同制式类型和 MAC 地址的对应关系, 即, GSM-MAC ( A )地址, UMTS-MAC ( B ), LTE-MAC ( C )。 GSM制式的单板 通过查找预先保存的对应关系, 就可以获得 LTE制式的单板的 MAC地址。
在本发明中, 优选的, 第一制式单板和第二制式单板之间通过层二 L2交 换技术建立有通信链路。
步骤 202:第一制式单板将目的地址为第二制式单板的 MAC地址的 MAC 报文, 通过第一制式单板与第二制式单板之间的通信链路发送给第二制式单 板, 以便第二制式单板根据所述 MAC报文中指示的任务类型执行任务。
其中,所述第一制式单板将目的地址为第二制式单板的 MAC地址的 MAC 报文,通过第一制式单板与第二制式单板之间的通信链路发送给第二制式单板 包括: 位于第一制式单板上的第一通信节点根据通过 MAC 地址学习得到的 MAC地址与端口之间的对应关系, 查找到与所述第二制式单板的 MAC地址 对应的端口, 其中, 多模基站中所有单板上各包括一个通信节点, 通过 L2交 换技术在各个通信节点之间建立有通信链路; 所述第一通信节点通过所述端 口, 将所述 MAC报文发送给通信链路中的下一个通信节点, 以便下一个通信 节点沿着所述通信节点之间的通信链路转发所述 MAC报文,直到将所述 MAC 报文发送给位于第二制式单板上的第二通信节点。
例如, 三模基站内三个不同制式的单板上各包括一个通信节点, 由三个通 信节点通过 L2交换技术建立通信链路。 GSM制式单板将目的地址为 LTE制 式单板的 MAC地址的 MAC报文, 发送给通信链路中位于 GSM制式单板上 的第一通信节点, 第一通信节点根据 MAC地址学习得到的 MAC地址与端口 之间的对应关系, 得到与 MAC 4艮文中的目的地址对应的端口, 即, 得到 LTE 制式单板的 MAC地址对应的端口。 第一通信节点通过该端口, 将 MAC报文 发送给通信链路中的下一个通信节点, 由于前面已经叙述, 在 GSM制式的单 板和 UMTS制式的单板之间、 UMTS制式的单板和 LTE制式的单板之间建立 了一条通信链路, 因此, 在整个通信链路中, 下一个通信节点为位于 UMTS 制式的单板上的通信节点, 再由该通信节点继续沿着通信链路, 将 MAC报文 转发给位于 LTE制式的单板上的第二通信节点,进而最终将 MAC报文通过通 信链路发送给了 LTE制式的单板。
另夕卜, 本发明实施例提供的一种实现方式是有两个通信节点, 一个通信节 点位于第一制式单板上, 另一个通信节点位于第二制式单板上, 第一制式单板 上的第一通信节点将报文发送给第二制式单板上的第二通信节点。
由上述实施例可以看出, 在多模基站内, 由于包括有至少两个基带单元, 并且在每个基带单元中又各包括一个以上的单板,多模基站内不同制式的单板 位于相同或者不同的基带单元上,从而在内部结构上,使该多模基站内部包含 了至少三种不同无线制式的单板。同时,不同制式单板之间又建立有通信链路, 从而使多模基站内的各个基带单元之间互联,从而在内部连接上, 实现至少三 种不同制式单板在多模基站内部进行通信。 最终, 实现多模基站同时支持三种 以上不同的无线制式。 实施例二
下面再以四模基站为例,说明在四模基站内进行通信的方法。请参阅图 3 , 其为本申请一种在四模基站内进行通信的方法一个实施例的流程图,包括以下 步骤:
步骤 301 : 在四模基站中, 分别位于四个不同制式的单板上的四个通信节 点通过 L2交换技术, 在四个不同制式的单板之间建立通信链路, 其中, 四模 基站内包括两个基带单元, 两个基带单元各包括两个不同制式的单板, 各个制 式的单板上又各包括一个通信节点;
例如, 如图 4所示, 四模基站包括两个基带单元 1和 2, 基带单元 1又包 括两个不同制式的单板: A制式单板和 B制式单板, 基带单元 2又包括两个 不同制式的单板: C制式单板和 D制式单板。 A、 B、 C和 D四种制式的单板 上各包括一个通信节点, 即: 通信节点 1、 2、 3和 4。 由通信节点 1、 2、 3和 4通过 L2交换技术, 在 A和 B制式单板之间、 B和 C制式单板之间、 C和 D 制式单板之间建立一条通信链路。
步骤 302: A、 B、 C和 D制式的四个单板分别广播携带自身制式类型和
MAC地址的 MAC报文, 此外, 上述四个单板上的四个通信节点根据广播的 MAC 4艮文进行 MAC地址学习;
例如, A制式的单板向 B、 C和 D制式的单板广播 MAC报文, 该 MAC 报文中携带有 A制式的单板的制式类型 ( A制式)和 MAC地址( MAC1 )。 同理, 其它制式的单板也按照相同的方式广播 MAC报文。 通过广播 MAC报 文, 最终每个制式的单板都得到了所有单板的制式类型与 MAC地址的对应关 系信息, 即: A制式 -MAC 1 , B制式 -MAC2, C制式 -MAC3 , D制式 -MAC4。
进一步地, 位于四个单板上的四个通信节点根据 MAC报文进行 MAC地 址的学习, 得到 MAC地址与端口之间的对应关系。
另外, 考虑到四模基站除了发送用于四模基站内部进行通信的 MAC报文 夕卜,还需要在公共网络中发送用于基站和基站控制器之间进行通信的 MAC报 文, 为了进一步能够区分出这两种报文, 以避免报文发生冲突, 优选的, 进一 步在 MAC报文中通过添加类型标识来区分 MAC报文的类型。例如 ,将 MAC 报文中的 TYPE字段作为类型标识, 当定义 TYPE=0xA001 ,标示此时的 MAC 报文用于多模基站内部进行通信。 如图 5所示的 MAC报文的格式示意图, 其 中, TYPE=0xA001 , DM AC, SMAC、 VLAN、 TYPE和 LENGTH
字段完全按照以太网的标准定义。
步骤 303: 当 A制式的单板与 C制式的单板进行跨基带单元的通信时, A 制式的单板通过接收 C制式的单板所广播的 MAC报文,而获得了 C制式的单 板的制式的类型和对应的 MAC地址;
这里, A制式单板得到的了 C制式 -MAC3。
步骤 304: A制式的单板将目的地址为 MAC3的 MAC报文发送给位于 A 制式单板上通信节点 1 , 其中, 该 MAC报文中携带了用于指示 C制式单板执 行任务操作的任务类型标识;
步骤 305: 通信节点 1根据 MAC地址学习得到的 MAC地址与端口之间 的对应关系,通过对应的端口将目的地址为 MAC3的 MAC 4艮文发送给位于 B 制式单板上的第二通信节点;
步骤 306: 通信节点 2根据 MAC地址学习得到的 MAC地址与端口之间 的对应关系,通过对应的端口将目的地址为 MAC3的 MAC 艮文发送给位于 C 制式单板上的第三通信节点;
步骤 307: 第三通信节点将接收的 MAC报文发送给 C制式单板, C制式 单板根据 MAC报文中指示的任务类型进行相应的任务操作。
由上述实施例可以看出, 在多模基站内, 由于包括有至少两个基带单元, 并且在每个基带单元中又各包括一个以上的单板,多模基站内不同制式的单板 位于相同或者不同的基带单元上,从而在内部结构上,使该多模基站内部包含 了至少三种不同无线制式的单板。同时,不同制式单板之间又建立有通信链路, 从而使多模基站内的各个基带单元之间互联,从而在内部连接上, 实现至少三 种不同制式单板在多模基站内部进行通信。 最终, 实现多模基站同时支持三种 以上不同的无线制式。 实施例三 本申请实施例还提供了一种多模基站。 请参阅图 6, 其为本申请一种多模 基站的一个实施例的结构图。 该多模基站包括: 至少两个基带单元 601 , 在至 少两个基带单元 601各包括有一个以上的单板 601a, 该多模基站中至少有制 式不相同的第一制式单板和第二制式单板,第一制式单板与第二制式单板位于 相同或者不同的基带单元上,第一制式单板和第二制式单板之间建立有通信链 路。 下面结合该装置的工作原理进一步介绍其内部结构以及连接关系。
第一制式单板, 用于获取第二制式单板的 MAC地址, 将目的地址为第二 制式单板的 MAC地址的 MAC报文, 通过第一制式单板与第二制式单板之间 的通信链路发送给第二制式单板;
第二制式单板, 用于根据接收的 MAC报文中指示的任务类型执行任务。 优选的, 请参阅图 7 , 其为本申请中第一制式的单板上的第一通信节点的 结构示意图, 其中, 第一制式单板包括第一通信节点 601b, 该第一通信节点 601b包括: 查找单元 701和发送单元 702, 其中,
查找单元 701 , 用于 ^据通过 MAC地址学习得到的 MAC地址与端口之 间的对应关系, 查找到与第二制式单板的 MAC地址对应的端口;
发送单元 702, 用于通过所述端口将 MAC报文发送给位于通过通信链路 连接的、位于另一单板上的通信节点, 以便所述另一单板上的通信节点沿着所 述通信节点之间的通信链路转发所述 MAC报文, 直到将所述 MAC报文发送 给位于第二制式单板上的第二通信节点。
优选的,所述第一通信节点位于第一制式单板的主控板或者传输接口单板 上。
优选的,在多模基站支持的所有制式中, 第一制式单板和第二制式单板共 享同一个射频模块。 例如, 以同时支持 GSM制式、 UMTS制式和 LTE制式的 三模基站为例, GSM制式的单板与 UMTS制式的单板组合而共享射频模块, UMTS制式的单板和 LTE制式的单板组合而共享射频模块, 或者, GSM制式 的单板与 UMTS制式的单板组合而共享射频模块, LTE制式的单板独享一个 射频模块。
优选的, 至少两个基带单元 601还各包括一个外部通信模块 601c, 用于 实现多模基站与基站控制器之间的通信。 请参阅图 8 , 其为本申请一种多模基 站的另一个实施例的结构图。
为了能够区分多模基站与基站控制器之间通信的 MAC报文与多模基站内 部进行通信的 MAC报文, 避免发生报文冲突, 优选的, 所述 MAC报文的类 型字段用于指示所述 MAC报文的类型, 所述 MAC报文的类型包括用于多模 基站内的通信和用于多模基站与基站控制器之间的通信。
请参阅图 9,其为本申请一种三模基站的具体架构示意图。在具体实现中, 可以将外部通信模块 601c的功能与通信节点 601b中用于跨基带单元间通信的 功能集成在一个控制芯片上实现, 即, 集成在图 9中的外部交换芯片上实现, 将通信节点中用于同一个基带单元内不同制式的单板之间通信的功能在图 9 中的内部交换芯片上实现。 因此, 如图 9所示, 在这个三模基站中, 每个主控 板上各包括两个交换芯片: 外部交换芯片和内部交换芯片, 外部交换芯片用于 跨基带单元间的通信, 以及, 三模基站与基站控制器之间的外部通信, 内部交 换芯片用于同一个基带单元内不同制式的单板之间的通信。由于外部交换芯片 既用于跨基带单元间的通信,又用于基站与基站控制器之间的外部通信,因此, 外部交换芯片需要具有逻辑选择功能, 以便进行功能切换。 在实际应用中, 可 以使用具有逻辑功能的硬件结构来实现。而内部交换芯片仅仅用于同一个基带 单元内不同制式的单板之间的通信, 因此, 在实际应用中, 内部交换芯片可以 仅使用硬件来结构来实现。此外,外部交换芯片与层 3交换和路由连接,这样, 外部交换芯片除了进行 BBU 内部或者 BBU 之间的通信外, 还可以通过 Abis/Iub/sl接口的通信, 实现多模基站与基站控制器之间的通信。
进一步优选的,第二制式单板还用于向所述多模基站内除第二制式单板之 外的其它单板广播 MAC报文, 其中, 所述 MAC报文携带单板自身的制式类 型和 MAC地址; 第一制式单板还用于接收第二制式单板广播的 MAC报文。
由上述实施例可以看出, 在多模基站内, 由于包括有至少两个基带单元, 并且在每个基带单元中又各包括一个以上的单板,多模基站内不同制式的单板 位于相同或者不同的基带单元上,从而在内部结构上,使该多模基站内部包含 了至少三种不同无线制式的单板。同时,不同制式单板之间又建立有通信链路, 从而使多模基站内的各个基带单元之间互联,从而在内部连接上, 实现至少三 种不同制式单板在多模基站内部进行通信。 最终, 实现多模基站同时支持三种 以上不同的无线制式。 需要说明的是,本领域普通技术人员可以理解实现上述实施例方法中的全 部或部分流程,是可以通过计算机程序来指令相关的硬件来完成, 所述的程序 可存储于一计算机可读取存储介质中, 该程序在执行时, 可包括如上述各方法 的实施例的流程。 其中, 所述的存储介质可为磁碟、 光盘、 只读存储记忆体 ( Read-Only Memory, ROM )或随机存储记忆体 ( Random Access Memory, RAM )等。
以上对本发明所提供的一种多模基站、在多模基站内进行通信的方法和装 了阐述, 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
1、 一种在多模基站内进行通信的方法, 其特征在于, 包括:
第一制式单板获取第二制式单板的介质访问控制 MAC地址, 其中, 多模 基站包括至少两个基带单元, 所述至少两个基带单元各包括有一个以上的单 板,第一制式单板与第二制式单板为多模基站内位于相同或者不同的基带单元 上的不同制式的单板, 第一制式单板和第二制式单板之间建立有通信链路; 第一制式单板将目的地址为第二制式单板的 MAC地址的 MAC报文, 通 过第一制式单板与第二制式单板之间的通信链路发送给第二制式单板,以便第 二制式单板根据所述 MAC报文中指示的任务类型执行任务。
2、 根据权利要求 1所述的方法, 其特征在于, 所述第一制式单板获取第 二制式单板的 MAC地址包括:
第一制式单板接收第二制式单板广播的携带有第二制式单板的制式类型 和 MAC地址的 MAC报文, 其中, 多模基站内各个不同制式的单板向多模基 站内其它制式的单板广播携带单板自身的制式类型和 MAC地址的 MAC报文。
3、 根据权利要求 1所述的方法, 其特征在于, 所述第一制式单板获取第 二制式单板的 MAC地址包括:
第一制式单板根据自身保存的制式类型与 MAC地址的对应关系, 查找到 第二制式单板的 MAC地址, 其中, 在多模基站内的所有制式的单板上预先保 存有各种制式类型与 MAC地址的对应关系。
4、 根据权利要求 1所述的方法, 其特征在于, 所述第一制式单板将目的 地址为第二制式单板的 MAC地址的 MAC报文, 通过第一制式单板与第二制 式单板之间的通信链路发送给第二制式单板包括:
位于第一制式单板上的第一通信节点根据通过 MAC 地址学习得到的 MAC地址与端口之间的对应关系, 查找到与所述第二制式单板的 MAC地址 对应的端口, 其中, 多模基站中所有单板上各包括一个通信节点, 各个通信节 点之间建立有通信链路;
所述第一通信节点通过所述端口, 将所述 MAC ·^艮文发送给通信链路中的 下一个通信节点,以便下一个通信节点沿着所述通信节点之间的通信链路转发 所述 MAC报文, 直到将所述 MAC报文发送给位于第二制式单板上的第二通 信节点。
5、 一种多模基站, 其特征在于, 包括: 至少两个基带单元, 在所述至少 两个基带单元中各包括有一个以上的单板,该多模基站中至少有制式不相同的 第一制式单板和第二制式单板,第一制式单板与第二制式单板位于相同或者不 同的基带单元上, 第一制式单板和第二制式单板之间建立有通信链路;
第一制式单板, 用于获取第二制式单板的 MAC地址, 将目的地址为第二 制式单板的 MAC地址的 MAC报文, 通过第一制式单板与第二制式单板之间 的通信链路发送给第二制式单板;
第二制式单板, 用于根据接收的 MAC报文中指示的任务类型执行任务。
6、 根据权利要求 5所述的多模基站, 其特征在于, 第一制式单板包括第 一通信节点, 所述第一通信节点包括:
查找单元, 用于根据通过 MAC地址学习得到的 MAC地址与端口之间的 对应关系, 查找到与第二制式单板的 MAC地址对应的端口;
发送单元, 用于通过所述端口将 MAC报文发送给通过通信链路连接的、 位于另一单板上的通信节点,以便所述另一单板上的通信节点沿着通信节点之 间的通信链路转发所述 MAC报文, 直到将所述 MAC报文发送给位于第二制 式单板上的第二通信节点。
7、 根据权利要求 6所述的多模基站, 其特征在于, 所述第一通信节点位 于第一制式单板的主控板或者传输接口单板上。
8、 根据权利要求 5所述的多模基站, 其特征在于, 在所述多模基站中, 第一制式单板和第二制式单板共享同一个射频模块。
9、 根据权利要求 5-8 中任意一项所述的多模基站, 所述至少两个基带单 元还各包括一个外部通信模块, 用于实现多模基站与基站控制器之间的通信。
10、根据权利要求 5所述的多模基站, 所述第二制式单板还用于向所述多 模基站内除第二制式单板之外的其它单板广播 MAC报文, 其中, 所述 MAC 报文携带单板自身的制式类型和 MAC地址;
所述第一制式单板还用于接收所述第二制式单板广播的 MAC报文。
11、 根据权利要求 10所述的多模基站, 其特征在于, 所述 MAC报文的 类型字段用于指示所述 MAC报文的类型, 所述 MAC报文的类型包括用于多 模基站内的通信和用于多模基站与基站控制器之间的通信。
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