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    Radio communications device and method
    1.
    发明专利
    Radio communications device and method 审中-公开
    无线电通信设备和方法

    公开(公告)号：JP2007228596A

    公开(公告)日：2007-09-06

    申请号：JP2007064474

    申请日：2007-03-14

    Applicant: Motorola Inc ,  モトローラ・インコーポレイテッドMotorola Incorporated

    Inventor： WHINNETT NICHOLAS WILLIAM ,  ROBINSON WILLIAM NEIL ,  GIBBS JONATHAN ALASTAIR ,  VAN DEN HEUVEL ANTHONY P

    IPC: H04B1/40 ,  H04M3/56 ,  H04W36/14 ,  H04W88/06

    CPC classification number: H04W36/14 ,  H04B1/406 ,  H04W36/18

    Abstract: PROBLEM TO BE SOLVED: To provide a radio communications device capable of handing over a call established by one network to another network without renouncing the call. SOLUTION: A radio communications device is arranged to communicate time divided signals over first and second time discontinuous systems having first and second frame structures respectively. In such a radio communications device, a multi-mode block 120 switches between communicating signals 60 over a first network 40 during time periods of the first frame structure and communicating signals 70 over a second network 50 during time periods of the second frame structure. Hence over a given period of time, the device simultaneously communicates time divided signals over the first and second networks. COPYRIGHT: (C)2007,JPO&INPIT

    Abstract translation: 要解决的问题：提供能够将一个网络建立的呼叫转交给另一个网络的无线电通信设备，而不会放弃该呼叫。 解决方案：无线电通信设备被布置成分别在具有第一和第二帧结构的第一和第二时间不连续系统上传送分时信号。 在这种无线电通信设备中，多模块120在第一帧结构的时间周期期间在第一网络40的通信信号60之间切换，并且在第二帧结构的时间周期期间通过第二网络50在第二网络50上传送信号70。 因此，在给定的时间段内，设备同时在第一和第二网络上传送分时信号。 版权所有（C）2007，JPO＆INPIT

    METHOD AND SYSTEM USING TRANSMIT DIVERSITY TECHNIQUES
    4.
    发明公开
    METHOD AND SYSTEM USING TRANSMIT DIVERSITY TECHNIQUES 有权
    方法和制度，多样性传输技术

    公开(公告)号：EP1157483A4

    公开(公告)日：2004-03-03

    申请号：EP00907169

    申请日：2000-02-04

    Applicant: MOTOROLA INC

    Inventor： WHINNETT NICHOLAS WILLIAM ,  CLOP OSCAR ,  BOIXADERA FRANCESC ,  KUCHI KIRAN KUMAR ,  ROHANI KAMYAR

    IPC: H04B7/06

    CPC classification number: H04B7/0604 ,  H04B7/0669 ,  H04B7/0678 ,  H04L1/0618

    Abstract: In a method for wireless data communication between a transmitter and a receiver in a wireless communication system, groups of symbols of an input data stream are commutated (24) to produce a plurality of commutated data streams. The plurality of commutated data streams are then transformed to produce a plurality of transformed data streams. Next, each transformed data stream is spread (26, 28) with a selected one of a plurality of spreading codes to produce a plurality of antenna signals. Finally, each of the plurality of antenna signals is transmitted using a selected one of a plurality of spaced apart antennas (34, 36), wherein the plurality of spaced apart antennas (34, 36) are spaced apart to provide transmit diversity. In one embodiment, the transform is a space-time transform.

    6.
    发明专利
    未知

    公开(公告)号：DE60033916T2

    公开(公告)日：2007-07-05

    申请号：DE60033916

    申请日：2000-02-04

    Applicant: MOTOROLA INC

    Inventor： WHINNETT NICHOLAS WILLIAM ,  CLOP OSCAR ,  BOIXADERA FRANCESC ,  KUCHI KIRAN KUMAR ,  ROHANI FT WORTH

    IPC: H04B7/06

    Abstract: In a method for wireless data communication between a base station and a subscriber unit in a wireless communication system, groups of symbols of an input data stream are commutated to produce a plurality of commutated data streams. The plurality of commutated data streams are then transformed to produce a plurality of transformed data streams. Next, each transformed data stream is spread with a selected one of a plurality of spreading codes to produce a plurality of antenna signals. Finally, each of the plurality of antenna signals is transmitted using a selected one of a plurality of spaced apart antennas, wherein the plurality of spaced apart antennas are spaced apart to provide transmit diversity. In one embodiment, the transform is a space-time transform.

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