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    BEAM SELECTION APPARATUS AND METHOD IN VOICE OVER INTERNET PROTOCOL OVER SWITCHED BEAM WIRELESS LOCAL AREA NETWORK
    2.
    发明申请
    BEAM SELECTION APPARATUS AND METHOD IN VOICE OVER INTERNET PROTOCOL OVER SWITCHED BEAM WIRELESS LOCAL AREA NETWORK 审中-公开
    光束选择装置和方法在互联网协议中的语音通过切换的无线局域网

    公开(公告)号：WO2006065921A3

    公开(公告)日：2007-02-22

    申请号：PCT/US2005045274

    申请日：2005-12-14

    Applicant: INTERDIGITAL TECH CORP ,  IACONO ANA LUCIA ,  CHANDRA ARTY ,  CHA INHYOK ,  CHEN JOHN S ,  LI YINGXUE ,  OTTO JAMES C

    Inventor： IACONO ANA LUCIA ,  CHANDRA ARTY ,  CHA INHYOK ,  CHEN JOHN S ,  LI YINGXUE ,  OTTO JAMES C

    IPC: H04W16/28 ,  H04W74/08

    CPC classification number: H04B7/0608 ,  H04W16/28 ,  H04W72/046

    Abstract: An apparatus and a method for improving packet transmission and reducing latency in VOIP over using switched beam antennas having multiple directional antenna beams are disclosed. In an access point (200) having a switched beam antenna (220A and 220B), or other smart antenna system, the present invention extends the coverage area of an access point for authentication and association of a new WTRU (205), extends the access points (200) coverage area during in session transmissions with a WTRU, and adjusts data rates. The method also controls Contention Period (Cpl/contention Free Period (CFP) timing amongst beams emanating from an access point (200) having a switched beam antenna, or other smart antenna system. Fast diversity switching, frame level switching, lowered data rates, and scanning multiple directional antenna beams for the optimum transmission beam are disclosed to improve beam selection and packet transmission.

    Abstract translation: 公开了一种用于改善分组传输并且通过使用具有多个定向天线波束的交换波束天线来减少VOIP中的等待时间的装置和方法。 在具有切换波束天线（220A和220B）或其他智能天线系统的接入点（200）中，本发明扩展了用于新的WTRU（205）的认证和关联的接入点的覆盖区域， （200）覆盖区域，并且调整数据速率。 该方法还控制从具有切换波束天线或其他智能天线系统的接入点（200）发出的波束之间的竞争周期（Cpl /争用自由周期（CFP）定时）。快速分集切换，帧级切换，降低的数据速率， 并且公开了扫描用于最佳传输波束的多个定向天线波束以改善波束选择和分组传输。

    4.
    发明专利
    未知

    公开(公告)号：AT451784T

    公开(公告)日：2009-12-15

    申请号：AT05758685

    申请日：2005-06-06

    Applicant: INTERDIGITAL TECH CORP

    Inventor： IACONO ANA LUCIA ,  CHANDRA ARTY ,  STEINBACH DANIEL P ,  CHA INHYOK ,  OTTO JAMES C ,  JOHNSON KEVIN P ,  GUTOWSKI STANLEY ,  LIU KAI ,  CUFFARO ANGELO ,  STERN-BERKOWITZ JANET

    IPC: H04M1/00 ,  H04B1/06 ,  H04B1/10 ,  H04B15/00 ,  H04W16/24

    Abstract: An access point operates in an 802.11 wireless communication network communicating with a client station, and includes a smart antenna for generating directional antenna beams and an omni-directional antenna beam. An antenna steering algorithm scans the directional antenna beams and the omni-directional antenna beam for receiving signals from the client station. The signals received via each scanned antenna beam are measured, and one of the antenna beams is selected based upon the measuring for communicating with the client station. The selected antenna beam is preferably a directional antenna beam. Once the directional antenna beam has been selected, there are several usage rules for exchanging data with the client station. The usage rules are directed to an active state of the access point, which includes a data transmission mode and a data reception mode.

    5.
    发明专利
    未知

    公开(公告)号：DE602005018196D1

    公开(公告)日：2010-01-21

    申请号：DE602005018196

    申请日：2005-06-06

    Applicant: INTERDIGITAL TECH CORP

    Inventor： IACONO ANA LUCIA ,  CHANDRA ARTY ,  STEINBACH DANIEL P ,  CHA INHYOK ,  OTTO JAMES C ,  JOHNSON KEVIN P ,  GUTOWSKI STANLEY ,  LIU KAI ,  CUFFARO ANGELO ,  STERN-BERKOWITZ JANET

    IPC: H04B1/06 ,  H04B1/10 ,  H04B15/00 ,  H04W16/24

    Abstract: An access point operates in an 802.11 wireless communication network communicating with a client station, and includes a smart antenna for generating directional antenna beams and an omni-directional antenna beam. An antenna steering algorithm scans the directional antenna beams and the omni-directional antenna beam for receiving signals from the client station. The signals received via each scanned antenna beam are measured, and one of the antenna beams is selected based upon the measuring for communicating with the client station. The selected antenna beam is preferably a directional antenna beam. Once the directional antenna beam has been selected, there are several usage rules for exchanging data with the client station. The usage rules are directed to an active state of the access point, which includes a data transmission mode and a data reception mode.

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