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    • 4. 发明申请
    • COMMUNICATIONS METHOD AND APPARATUS
    • 通信方法和设备
    • WO2006043076A1
    • 2006-04-27
    • PCT/GB2005/004063
    • 2005-10-21
    • SIEMENS AKTIENGESELLSCHAFTHULBERT, Anthony, Peter
    • HULBERT, Anthony, Peter
    • H04Q7/36H04B7/04
    • H04W16/28
    • A method of maintaining a communication link between a network node (2) and a mobile node (30) of a communications network comprises providing at least two downlink transmission beams (A to D) and designating a first of the at least two beams as a primary transmission beam (e.g. B). The beams are used in accordance with a schedule. Received signal quality or signal strength measurements are taken at the mobile node and signalled to the network node. A quality of link on the primary transmission beam (e.g. B) and at least one other of the at least two transmission beams (e.g. A, C) is determined from the measurements signalled from the mobile node to the network node and the quality of link for the beams is compared to provide a comparison and the schedule varied in accordance with the comparison.
    • 维护通信网络的网络节点(2)和移动节点(30)之间的通信链路的方法包括:提供至少两个下行链路传输波束(A到D),并将所述至少两个波束中的第一个指定为 主传输光束(例如B)。 梁按照时间表使用。 在移动节点处接收到信号质量或信号强度测量值,并向网络节点发信号。 根据从移动节点向网络节点发信号的测量和链路质量确定主要传输波束(例如B)和至少两个传输波束(例如,A,C)中的至少一个的链路的质量 对于梁进行比较以提供比较,并且根据比较而改变进度。
    • 8. 发明申请
    • A METHOD OF COMMUNICATION IN A TIME DIVISION DUPLEX (TDD) SATELLITE COMMUNICATION SYSTEM
    • 时分双工(TDD)卫星通信系统中的通信方法
    • WO2005062501A1
    • 2005-07-07
    • PCT/GB2004/004854
    • 2004-11-18
    • ROKE MANOR RESEARCH LIMITEDHULBERT, Anthony, PeterTOMKINSON, Keith, David
    • HULBERT, Anthony, PeterTOMKINSON, Keith, David
    • H04B7/212
    • H04B7/2121
    • A method of communication in a time division duplex (TDD) satellite communication system comprising at least one satellite (2) and a plurality of terrestrial terminals (4) comprises allocating time division multiple access (TDMA) time slots (l, 3) for transmission between the satellite and any one of the plurality of terminals, such that for any given terminal, transmit time slots for transmission to the satellite and receive time slots (5, 6) for reception from the satellite are separated in time. An assigned time delay between transmit and receive time slots at the any one terminal is small compared with a round trip propagation delay and if the transmit time slot for one terminal causes a transmission from that one terminal to be received at another terminal overlapped in time with a receive time slot allocated for the other terminal, then those two terminals are spaced apart in distance, sufficiently, such that interference between the two terminals is minimised.
    • 包括至少一个卫星(2)和多个地面终端(4)的时分双工(TDD)卫星通信系统中的通信方法包括分配用于传输的时分多址(TDMA)时隙(1,3) 在卫星和多个终端中的任一个之间,使得对于任何给定的终端,用于传输到卫星的发射时隙和用于从卫星接收的接收时隙(5,6)在时间上分离。 在任何一个终端处的发送和接收时隙之间的分配的时间延迟与往返传播延迟相比较小,并且如果一个终端的发射时隙导致来自该一个终端的传输在另一个终端处被接收, 分配给另一终端的接收时隙,那么这两个终端足够地间隔开距离,使得两个终端之间的干扰最小化。
    • 9. 发明申请
    • A METHOD OF POWER CONTROL AND SYNCHRONIZATION DURING NON DATA TRANSMISSION IN A CELLULAR COMMUNICATION SYSTEM
    • 蜂窝通信系统中非数据传输的功率控制与同步方法
    • WO2004112276A1
    • 2004-12-23
    • PCT/EP2004/005097
    • 2004-05-12
    • SIEMENS AKTIENGESELLSCHAFTHULBERT, Anthony, Peter
    • HULBERT, Anthony, Peter
    • H04B7/005
    • H04W52/288H04W52/50H04W52/56
    • A method of communication in a cellular communication system, the method comprising setting up uplink and downlink dedicated channels (DCH) for data transmission between one or more mobile stations and a base station; wherein after setup or the end of data transmission, the downlink DCH is removed; wherein the or each mobile station reduces its transmission power on the uplink DCH; wherein the base station provides a common broadcast power control channel (BPCCH) to the or each mobile station; wherein the power level from each mobile station is monitored and modifications of the power level from the or each mobile station are requested via the BPCCH as necessary to maintain a minimum power level, such that synchronisation between the or each mobile station and the base station is maintained.
    • 一种蜂窝通信系统中的通信方法,所述方法包括:建立用于一个或多个移动站与基站之间的数据传输的上行链路和下行链路专用信道(DCH); 其中在建立或结束数据传输之后,去除下行链路DCH; 其中所述移动台或每个移动台降低其在所述上行链路DCH上的发射功率; 其中所述基站向所述移动台或每个移动台提供公共广播功率控制信道(BPCCH); 其中监视来自每个移动站的功率电平,并且根据需要经由BPCCH请求来自或每个移动台的功率电平的修改以维持最小功率电平,使得每个移动站与基站之间的同步是 保持。