WO2007134483A1 - Station de base bimode phs/wimax - Google Patents

Station de base bimode phs/wimax Download PDF

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Publication number
WO2007134483A1
WO2007134483A1 PCT/CN2006/001019 CN2006001019W WO2007134483A1 WO 2007134483 A1 WO2007134483 A1 WO 2007134483A1 CN 2006001019 W CN2006001019 W CN 2006001019W WO 2007134483 A1 WO2007134483 A1 WO 2007134483A1
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WIPO (PCT)
Prior art keywords
base station
phs
wimax
module
network
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PCT/CN2006/001019
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English (en)
French (fr)
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WO2007134483A8 (fr
Inventor
Xiaoming Yu
Yi Chen
Dawei Zhang
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Utstarcom (China) Co. Ltd.
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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Application filed by Utstarcom (China) Co. Ltd. filed Critical Utstarcom (China) Co. Ltd.
Priority to CNA2006800544112A priority Critical patent/CN101427604A/zh
Priority to PCT/CN2006/001019 priority patent/WO2007134483A1/zh
Publication of WO2007134483A1 publication Critical patent/WO2007134483A1/zh
Publication of WO2007134483A8 publication Critical patent/WO2007134483A8/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
    • 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

  • the present invention relates to mobile communication technologies, and more particularly to PHS/WiMAX dual mode base station systems. Background technique
  • the PHS (Personal Handyphone System) system is a second-generation wireless communication standard initiated by Japan. Its air interface uses TDMA/TDD multiple access, and supports 4 voices simultaneously on a 300KHz bandwidth channel. user. In recent years, the PHS air interface-based PHS system has developed rapidly in China, for example, and the number of users has approached 100 million, and it continues to grow. Although the PHS system supports circuit-switched data services, since the PHS system is positioned to provide traditional voice services, most PHS users are only using voice services, and data services are slower.
  • WiMAX WiMAX broadband wireless access technology
  • WiMAX WiMAX broadband wireless access technology
  • WiMAX Forum WiMAX products based on the IEEE802.16 standard will soon enter the market.
  • the present invention provides a base station, comprising: an antenna for receiving and transmitting a PHS signal based on a PHS air interface specification and a WiMAX signal based on a WiMAX air interface specification; a PHS module for performing a function of a PHS base station; and a WiMAX module To perform the functions of the WiMAX base station; and a network interface for connecting the PHS module and the WiMAX module to the network.
  • the base station may also include a base station management module for managing the configuration of the base station, and/or performance, and/or failure.
  • a base station management module for managing the configuration of the base station, and/or performance, and/or failure.
  • the configuration, and/or performance, and/or failure of the base station may be managed by an external base station management system via the network interface.
  • the antenna may include a first antenna and a second antenna, the first antenna being used by the PHS module, and the second antenna being used by the WiMAX module.
  • the antenna may be constructed from a set of antennas, and the PHS signal and the WiMAX signal are based on different frequency bands.
  • the PELS signal and the WiMAX signal may also be based on a common frequency band, the WiMAX signal being based on a TDD duplex mode and employing a PHS airframe structure.
  • Both the PHS signal and the WiMAX signal can use all available frequency bands, and the PHS module can avoid collisions according to the dynamic allocation principle DCA.
  • the frequency bands of the PHS signal and the WiMAX signal may not overlap, and the PHS module and the WiMAX module notify the corresponding terminal of the available frequency bands for selection.
  • the network interface can be connected to the network via twisted pair.
  • the network interface can be based on the ADSL2+ standard.
  • FIG. 1 is a block diagram of a base station in accordance with an embodiment of the present invention
  • FIG. 2 is a block diagram showing a base station in accordance with a second embodiment of the present invention.
  • the PHS/WiMAX base station 3 includes a PHS antenna 1, a WiMAX antenna 2, a PHS base station module 4, a WiMAX base station module 5, a base station management module 6 and a network interface 7.
  • the PHS base station module (including hardware and software) 4 mainly performs signal and data processing functions of the conventional PHS base station, including baseband signal processing, radio frequency signal processing, and call control functions, and transmits and receives PHS-based air interface specifications for the terminal through the PHS antenna 1.
  • the PHS signal communicates with other network elements or control systems via the network interface 7 via the network.
  • WiMAX base station modules (including hardware and software) 5 mainly perform signal and data processing functions of conventional WiMAX base stations, including baseband signal processing, radio frequency signal processing, and call control functions, and transmit and receive WiMAX air interface specifications based on WiMAX antenna 2 for terminals.
  • the WiMAX signal communicates with other network elements or control systems via the network interface 7 via the network.
  • the base station management unit 6 mainly manages the configuration of the base station, such as the number of component units, types, bandwidth allocation, network configuration, and the like.
  • the PHS/WiMAX dual-mode base station can share a management platform, that is, share an external base station management system, instead of including the respective base station management module, thereby simplifying the network architecture and saving construction costs.
  • This network management platform can work in the traditional hybrid network management mode, unified management
  • All network elements of the PHS/WiMAX dual-mode base station system including dual-mode base stations.
  • the main functions of the network management platform include: configuration management, performance management, and fault management.
  • the backhaul bandwidth required by a WiMAX base station is primarily related to its peak throughput, which in turn is primarily determined by the RF bandwidth occupied by the base station and the channel coding and modulation used. PHS base stations usually only know that they need very little backhaul bandwidth.
  • both the PHS base station module 4 and the WiMAX base station module 5 perform data backhaul via the network through a network interface (including hardware and software).
  • the network interface 7 actually includes a network interface for the backhaul of the PHS base station module, and a network interface for the backhaul of the WiMAX base station module.
  • the two network interfaces are backhauled via separate transmission media.
  • the PHS base station module and the WiMAX base station module can share the same network interface, such as a network interface suitable for WiMAX system backhaul, using multiplexing and demultiplexing techniques known in the network. Therefore, you can rely on the backhaul mechanism of the WiMAX system to share part of the bandwidth. This can reduce the cost and design difficulty of the design of the backhaul system connecting the PHS/WiMAX base station to the network side.
  • the network interface 7 is connected to the network using a twisted pair medium.
  • the existing PHS system uses a twisted pair cable as a transmission medium of a base station to a network side device, and carries an ISDN signal (for example, 8B+D). Therefore, for operators, especially operators operating PHS systems, WiMAX base stations will be a good choice if they also use twisted pair as the transmission medium. In this way, WiMAX base stations can share existing twisted pair resources, thereby reducing network construction and operating costs.
  • WiMAX base station Since the capacity of a WiMAX base station is much larger than that of a PHS base station, it is preferable to use a transmission technology different from ISDN.
  • a preferred choice for WiMAX is ADSL2+ (G.992.5), which has similar transmissions to ISDN transmission technology (G.961).
  • the distance, and the rate it can carry, is also on the order of magnitude for WiMAX base stations, so it can support co-site WiMAX and PHS dual-mode base stations.
  • the interconnection between the internal modules is similar to the existing base station structure, typical as
  • PHS PHS, GSM or WCDMA base station.
  • Modules 4-7 may employ, for example, a software radio based system architecture. Specifically, you can use RF transceivers, digital upconversion, digital down conversion, general purpose DSP processors (such as TI's TMS320C64 series), FPGAs (such as Xilinx's Virtex II), and CPU or network processors (such as Power PC or IntelIXP2350) or The combination is implemented. Depending on the actual device selection and function implementation, Module 4 and Module 5 can be implemented using the same hardware. Programming languages are usually available in C, C++, and assembly language, using real-time operating systems such as VxWorks and DSP BIOS.
  • one or more of such module entities can be combined to save space and cost.
  • PHS base station software and WiMAX base station software can be bundled together.
  • PHS base station hardware and WiMAX base station hardware can use the same hardware devices to share some of the signal processing resources.
  • FIG. 2 is a block diagram showing a base station according to a second embodiment of the present invention.
  • the constitution of the second embodiment is basically the same as that of the first embodiment except that an antenna 8 is used instead of the antennas 1 and 2. Therefore, only the differences from the first embodiment will be described below, and the description of the same portions will be omitted.
  • the PHS base station module 4 and the WiMAX base station module 5 respectively transmit and receive a PHS signal based on the PHS air interface specification and a WiMAX signal based on the WiMAX air interface specification through the antenna 8 for the terminal.
  • the WiMAX base station needs to work in the TDD default mode, and adopt the same timing and uplink and downlink frame structure, that is, it must adopt a 2.5-second symmetric uplink and downlink structure per frame, and The PHS air frame structure remains consistent.
  • the total available bandwidth can be fixedly divided into two separate parts for PHS and WiMAX, respectively. This division can be uniformly allocated by the entire network, or it can be divided according to the different base stations. If it is fixedly allocated, the frequency band allocation needs to be determined by the network plan and allocated according to the proportion of traffic carried by PHS and WiMAX to best meet the needs of users. If the frequency band is variable for each base station, it is necessary to notify the end user via an additional broadcast message after the available frequency band of a certain base station has changed so that they correctly select the frequency access system.
  • PHS adopts the principle of dynamic allocation (DCA) in frequency selection, for dual-mode systems with shared frequency bands of PHS and WiMAX, band division can also be omitted. WiMAX and PHS can use all available frequency bands. , The PHS system automatically evades according to the principle of DCA, and selects the idle frequency to continue working.
  • DCA dynamic allocation
  • the present invention describes a PHS/WiMAX dual mode base station system that employs the same network side backhaul scheme and the same set of base station network management systems.
  • the silent mode base station system referred to in the invention comprises two main functional parts, one part being a PHS base station and the other part being a WiMAX base station, and the two parts of the entities may be located inside the same base station or separately.
  • PHS and WiMAX dual-mode base stations can share the same set of antennas.
  • PHS/WiMAX dual-mode base station Another useful feature provided by the PHS/WiMAX dual-mode base station is the ability to effectively balance the voice-switched voice service and the voice over packet (VoIP) voice service capacity.
  • VoIP voice over packet
  • PHS/WiMAX dual-mode systems there are three types of user terminals: (1) PHS single mode; (2) WiMax single mode; (3) PHS/WiMax dual mode. It is foreseen that traditional PHS voice users and WiMAX-supported VoIP voice users will access the PHS/WiMAX dual-mode base station for voice. Communication.
  • End users can choose to preferentially access PHS or WiMAX VoIP networks for voice calls.
  • the base station management module can perform load balancing based on the distribution of local PHS and WiMAX traffic loads. For example, when a large number of users are accessing through WiMAX, the base station management module may select to access the user through the PHS base station module; or conversely, when a large number of users access through the PHS, the base station management module may select to allow the user to pass the WiMAX base station module. Make a voice call for VoIP.
  • the access mode with the PHS/WiMAX dual-mode function can be selected according to the distribution of the voice service in the PHS and the WiMAX network in the network.
  • the network side resource occupation status can also be periodically updated to the terminal through the broadcast mode, thereby helping the terminal to preferentially select the network with the vacant capacity to initiate the call.

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

Description

PHS和 WiMAX双模式基站
技术领域
本发明涉及移动通信技术, 尤其涉及 PHS/WiMAX双模基站 系统。 背景技术
PHS (个人手持电话系统: Personal Handyphone system )系 统是一个由日本发起的第二代无线通信标准, 它的空中接口采用 TDMA/TDD多址接入方式,在 300KHz带宽的信道上同时支持 4 个语音用户。 近年来, 基于 PHS空中接口的小灵通系统在例如中 国发展迅速, 用户数量已经接近 1亿, 而且还在持续增长。 尽管 PHS系统支持以电路交换为主的数据业务, 但由于小灵通系统是 定位在提供传统语音业务为主的网絡, 目前大部分小灵通用户都 只是使用话音业务, 数据业务开展较慢。
而近些年来, 世界范围内对开发新的无线宽带接入系统都进 行了大量投入。 最近批准的 802.16系列标准, 又被称作 WiMAX 的系统则最为引人关注。 它是一个采用 OFDM/OFDMA技术, 可 以工作在 TDD或者 FDD两种双工模式。 WiMAX宽带无线接入 技术, 具有的接入速率高、 覆盖范围大以及支持移动性等一系列 优点, 为宽带无线接入系统的建构和应用提供了良好的平台。 在 WiMAX论坛的推动下,基于 IEEE802.16标准的 WiMAX产品将 很快进入市场。
现有的 PHS和 WiMAX基站及其配套设施和网络控制设备都 是独立的, 要建设这样两个网络需要分别进行投资, 无法进行资 源共享。 发明内容
本发明的目的是提供一种 PHS/WiMAX双模基站, 以为运营 商提供一种经济的建设 PHS和 WiMAX双模网络的方案。
本发明提供了一种基站, 包括: 天线, 用于接收和发送基于 PHS空中接口规范的 PHS信号和基于 WiMAX空中接口规范的 WiMAX信号; PHS模块, 用于执行 PHS基站的功能; WiMAX 模块, 用于执行 WiMAX基站的功能; 和网络接口, 用于将 PHS 模块和 WiMAX模块连接到网络。
该基站还可包括基站管理模块, 用于管理基站的配置, 和 / 或性能, 和 /或故障。 可选地, 可以由外部的基站管理系统经由所 述网络接口来管理该基站的配置, 和 /或性能, 和 /或故障。
在该基站中, 天线可包括第一天线和第二天线, 所述第一天 线由所述 PHS模块使用,而所述笫二天线由所述 WiMAX模块使 用。
天线可由一套天线构成,所述 PHS信号和所述 WiMAX信号 基于不同的频段。所述 PELS信号和所述 WiMAX信号也可基于公 共频段, 所述 WiMAX信号基于 TDD双工模式并且采用 PHS空 中帧结构。 PHS信号和 WiMAX信号可以均使用全部的可用频带, PHS模块能够根据动态分配原则 DCA来回避冲突。 PHS信号和 WiMAX信号的频带可以不重叠, 由 PHS模块和 WiMAX模块向 相应终端通知可用频段以供选择使用。
网络接口可通过双绞线与网络相连。 网络接口可基于 ADSL2+标准。
利用本发明, 可以实现基站共址、 共用天线、 共用回传线路 资源、 共用网络及网管资源, 大大节省建设和运营成本。 附图说明
参照下面结合附图对本发明的具体描述可更加清楚地理解本 发明的上述及其它目的, 特征和优点, 其中:
图 1示出了根据本发明笫一实施例的基站的模块图; 而 图 2示出了根据本发明笫二实施例的基站的模块图。
在附图中, 用类似的附图标记表示类似的部分。 具体实施方式
下面结合附图描述本发明的实施例。
图 1示出了根据本发明笫一实施例的基站的模块图。 如图 1 所示, PHS/WiMAX基站 3包括 PHS天线 1, WiMAX天线 2, PHS基站模块 4, WiMAX基站模块 5,基站管理模块 6和网络接 Π 7。
PHS基站模块(包括硬件和软件 ) 4主要执行常规 PHS基站 的信号和数据处理功能, 包括基带信号处理、 射频信号处理以及 呼叫控制功能, 通过 PHS天线 1针对终端发射和接收基于 PHS 空中接口规范的 PHS信号,并通过网络接口 7经网络与其它网元 或控制系统通信。
WiMAX基站模块(包括硬件和软件)5主要执行常规 WiMAX 基站的信号和数据处理功能, 包括基带信号处理、 射频信号处理 以及呼叫控制功能, 通过 WiMAX天线 2针对终端发射和接收基 于 WiMAX空中接口规范的 WiMAX信号, 并通过网络接口 7经 网络与其它网元或控制系统通信。
基站管理单元 6主要管理基站的配置, 例如组成单元数量, 类型,. 带宽分配, 网络配置等。 可选地, PHS/WiMAX双模基站 可以共用一个管理平台, 即共用一个外部基站管理系统, 而不是 在包含各自的基站管理模块,从而简化网络架构, 节约建设成本。 这个网管平台可以工作在传统的混合网管模式下, 统一管理
PHS/WiMAX双模基站系统的所有网元, 包括双模基站。 网管平 台的主要功能包括: 配置管理, 性能管理以及故障管理等。
WiMAX基站需要的回传带宽主要由它的峰值吞吐量相关, 而这又主要由该基站所占用的射频带宽以及所使用的信道编码和 调制方式决定。 PHS基站通常只知需要很少的回传带宽。
考虑到上述情况, 在本发明的第一实施例中, PHS基站模块 4和 WiMAX基站模块 5均通过网络接口 (包括硬件和软件 ) 7 经网络进行数据回传。
虽然在图中只示出一个网络接口 7, 然而实际上网络接口 7 包括用于 PHS基站模块的回传的网络接口,和用于 WiMAX基站 模块的回传的网络接口。 这两个网络接口通过分别的传输介质进 行回传。
优选地, 利用网络领域已知的复用和解复用技术, PHS基站 模块和 WiMAX 基站模块能够共享同一网络接口, 例如适于 WiMAX系统回传的网络接口。 因此, 可以依靠 WiMAX系统的 回传机制, 分享一部分带宽。 这样可以筒化连接 PHS/WiMAX基 站到网络侧的回传系统的设计, 降低成本和设计难度。
优选地, 网络接口 7采用双绞线介质与网络相连。 目前现有 的 PHS系统采用双绞线作为基站到网络侧设备的传输介质,上面 承载 ISDN信号(例如 8B+D )。 因此对于运营商, 特别是正在运 营 PHS系统的运营商来说, WiMAX基站如果也采用双绞线作为 传输介质, 将会是一个很好的选择。 这样的话 WiMAX基站就可 以共享已有的双绞线资源, 从而降低网络建设和运营成本。
由于 WiMAX基站的容量远大于 PHS基站,因此最好采用与 ISDN 不同的传输技术。 一个对于 WiMAX 是优选的选择是 ADSL2+ (G.992.5), 它具有和 ISDN传输技术 (G.961)相似的传输 距离, 而它能承载的速率与 WiMAX基站的容量也在相当的量级 上, 因此它可以支持共站址的 WiMAX和 PHS双模基站。
内部各模块间的互连方式与现有的基站结构相似, 典型的如
PHS, GSM或 WCDMA基站。
模块 4-7可采用例如基于软件无线电的系统架构。 具体可以 用射频收发信机、数字上变频、数字下变频,通用 DSP处理器(如 TI的 TMS320C64系列) , FPGA (如 Xilinx的 Virtex II ) 以及 CPU或网络处理器(如 Power PC或 IntelIXP2350 )或其组合来 实现。 根据实际的器件选择和功能实现, 模块 4和模块 5可以用 同样的硬件来实现。 编程语言通常可以用 C, C++和汇编语言, 采用实时操作系统如 VxWorks以及 DSP BIOS。
需要注意的是, 在实际的实现中, 一个或多个这样的模块实 体可以被组合起来以节省空间和成本。 举例来说, PHS基站软件 和 WiMAX基站软件就可以捆绑到一起。 同样, PHS基站硬件和 WiMAX基站硬件可以釆用相同的硬件设备以共享部分信号处理 资源。
图 2示出了根据本发明第二实施例的基站的模块图。 第二实 施例的构成与笫一实施例基本相同, 除了用一个天线 8来替代天 线 1和 2之外。 因此, 下面只描述与第一实施例不同的地方, 而 有关相同部分的描述则被省略。
如图 2所示, PHS基站模块 4和 WiMAX基站模块 5分别通 过天线 8针对终端发射和接收基于 PHS空中接口规范的 PHS信 号和基于 WiMAX空中接口规范的 WiMAX信号。
PHS和 WiMAX基站共用一套天线是可行的。 例如当所选用 的天线支持足够宽的频率范围,足以覆盖 PHS和 WiMAX基站所 选择的不同频段时,或者当 PHS和 WiMAX基站选择共用频率时, 可以实现两者共用同一套天线, 从而进一步节省网络建设成本。 当 PHS和 WiMAX基站共用频段时, WiMAX基站需要工作 在 TDD默工模式下, 同时采用同样的定时和上下行帧结构,也就 是说它每帧也必须采用 2.5亳秒对称的上下行结构, 与 PHS空中 帧结构保持一致。
对于本发明的欢模式基站, 在带宽分配方面, 总的可用带宽 可以被固定分成两个独立的部分, 分别用于 PHS和 WiMAX。 这 个划分可以是全网统一固定分配的, 也可以根据每个基站的不同 分别划分。 如果是固定分配的, 频带划分需要由网络规划来决定, 并根据 PHS和 WiMAX所承载的业务流量的比例来分配,以最大 程度符合用户的需要。 如果频带是每个基站可变的, 当某个基站 的可用频带变化之后需要通过附加的广播消息通知到终端用户以 便它们正确地选择频率接入系统。
由于 PHS在频点选择上是采用动态分配的原则 (DCA), 对于 PHS和 WiMAX共用频段的双模系统, 也可以不进行频段划分, WiMAX和 PHS都可以使用全部的可用频段, 一旦出现冲突时, 由 PHS系统根据 DCA的原理自动规避, 选择空闲的频点继续工 作。
如上所述, 本发明描述了一种 PHS/WiMAX双模基站系统, 它采用相同的网络侧回传方案以及同一套基站网管系统。 该发明 所指的默模基站系统包括两个主要的功能部分, 一部分是作为 PHS基站, 另一部分是作为 WiMAX基站, 这两部分实体可以位 于同一个基站内部也可以分开放置。 PHS和 WiMAX双模基站可 以共用同一套天线。
PHS/WiMAX双模基站提供的另一个有用的功能是, 可以有 效地平衡电路交换方式的话音业务和分组交换方式 (VoIP)的话音 业务的容量。
对于 PHS/WiMAX双模系统而言, 用户终端存在 3种类型: (1) PHS 单模; (2) WiMax 单模; (3) PHS/WiMax双模. 可以预 见, 传统的 PHS语音用户和 WiMAX支持的 VoIP语音用户都将 接入 PHS/WiMAX双模基站进行话音通信。
当一个 PHS/WiMAX双模终端接入的时候, 在一些特定的应 用场景下,基站如果通过能够选择让该用户进行 PHS语音呼叫或 者 VoIP语音呼叫, 以平衡不同业务类型的用户数量, 将会是非 常有价值的。 举例来说, 这些场景包括:
1 ) 用户选择
终端用户可以选择优先接入 PHS或 WiMAX VoIP网络进行 语音呼叫。
2 )基站容量
在一个实施例中, 基站管理模块可根据本地 PHS和 WiMAX 业务负载的分布来进行负载均衡。 例如当大量用户正在通过 WiMAX接入时, 基站管理模块可以选择通过 PHS基站模块来接 入该用户; 或者相反, 当大量用户通过 PHS接入时, 基站管理模 块可以选择让用户通过 WiMAX基站模块来进行 VoIP的语音呼 叫。
在另一个实施例中, 可以根据网络中语音业务在 PHS 和 WiMAX 网络中的分布情况来选择通过何种接入方式来连接具备 PHS/WiMAX双模功能的终端。 也可以通过广播方式定期向终端 更新网络侧资源占用状态, 从而帮助终端优先选择有空余容量的 网络发起呼叫。
本领域技术人员明白, 上迷具体格式, 取值和实施例仅仅是 示例性的, 并不意味着对本发明的限制。 本领域技术人员根据这 里的说明可以得到其它修改实施例和变型。

Claims

权 利 要 求
1. 一种基站, 包括:
天线, 用于接收和发送基于 PHS空中接口规范的 PHS信号 和基于 WiMAX空中接口规范的 WiMAX信号;
PHS模块, 用于执行 PHS基站的功能;
WiMAX模块, 用于执行 WiMAX基站的功能; 和
网络接口, 用于将 PHS模块和 WiMAX模块连接到网络。
2. 根据权利要求 1的基站, 还包括:
基站管理模块, 用于管理基站的配置, 和 /或性能, 和 /或故障。
3. 根据权利要求 1的基站,其中由外部的基站管理系统经由 所述网络接口来管理该基站的配置, 和 /或性能, 和 /或故障。
4. 根据权利要求 1的基站,其中所述天线包括第一天线和第 二天线, 所述第一天线由所述 PHS模块使用, 而所述第二天线由 所述 WiMAX模块使用。
5. 根据权利要求 1的基站, 其中所述天线由一套天线构成, 所述 PHS信号和所述 WiMAX信号基于不同的频段。
6. 根据权利要求 1的基站, 其中所述天线由一套天线构成, 所述 PHS信号和所述 WiMAX信号基于公共频段,所述 WiMAX 信号基于 TDD双工模式并且釆用 PHS空中帧结构。
7. 根据权利要求 6 的基站, 其中所述 PHS 信号和所述 WiMAX信号均使用全部的可用频带, 所述 PHS模块能够根据动 态分配原则 DCA来回避冲突。
8. 根据权利要求 6 的基站, 其中所述 PHS 信号和所述 WiMAX信号的频带不重叠。
9. 根据权利要求 8的基站, 其中由 PHS模块和 WiMAX模 块向相应终端通知可用频段以供选择使用。
10. 根据权利要求 1的基站,其中所述网络接口包括用于 PHS 模块的笫一网络接口, 和用于 WiMAX模块的第二网络接口。
11. 根据权利要求 10的基站,其中所述第一和第二网络接口 通过相同网络介质与网络相连。
12. 根据权利要求 11的基站, 其中所述网络介质是双绞线。
13. 根据权利要求 12的基站,其中所述第一和笫二网络接口 基于 ADSL2+标准。
PCT/CN2006/001019 2006-05-18 2006-05-18 Station de base bimode phs/wimax WO2007134483A1 (fr)

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