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    Métodos, sistemas y terminales de comunicaciones
    1.
    发明专利
    Métodos, sistemas y terminales de comunicaciones 未知

    公开(公告)号：ES2429133T3

    公开(公告)日：2013-11-13

    申请号：ES02767632

    申请日：2002-09-11

    Applicant: MOTOROLA INC ,  MOTOROLA SOLUTIONS INC

    Inventor： CHATER-LEA DAVID J ,  SHAHAF MARK

    IPC: H04W12/02 ,  H04W12/00 ,  H04W12/04

    Abstract: Método para proporcionar comunicaciones de grupo seguras en un sistema (100) de comunicación entre unapluralidad de terminales (112, 114, 116) que emplean un protocolo de encriptación que usa una clave deencriptación compartida en cada uno de la pluralidad de terminales en el grupo, incluyendo el método modificar unaclave de encriptación compartida asociada con el grupo en un terminal (112) de transmisión para proporcionar unaclave de encriptación modificada e información de encriptación que va a transmitirse por el terminal de transmisiónusando la clave de encriptación modificada, en el que la clave de encriptación compartida se modifica combinando laclave de encriptación compartida con un identificador (520) que proporciona una identificación única del terminal detransmisión, caracterizado porque: (i) el identificador (520) es una dirección de control de acceso al medio (MAC) dada al terminal (112) de transmisión;y (ii) el identificador (520) se transmite en la señalización de control por el terminal (112) de transmisión mediantecomunicación inalámbrica a una pluralidad de terminales (114, 116) de recepción, y se extrae y se reconocemediante la pluralidad de terminales (114, 116) de recepción.

    MOBILE STATION, SYSTEM AND METHOD FOR USE IN WIRELESS COMMUNICATIONS
    2.
    发明申请
    MOBILE STATION, SYSTEM AND METHOD FOR USE IN WIRELESS COMMUNICATIONS 审中-公开
    用于无线通信的移动台，系统和方法

    公开(公告)号：WO2007079109A3

    公开(公告)日：2007-12-06

    申请号：PCT/US2006049349

    申请日：2006-12-27

    Applicant: MOTOROLA INC ,  CHATER-LEA DAVID J ,  LUCAS RICHARD

    Inventor： CHATER-LEA DAVID J ,  LUCAS RICHARD

    IPC: H04W16/28

    CPC classification number: H04W16/28 ,  H01Q1/242 ,  H01Q3/26 ,  H04B7/0408 ,  H04M2250/10

    Abstract: A mobile station (101) for use in a wireless communication system (100) includes a steerable antenna (217), means (215) for obtaining location information relating to a current location of the mobile station and a steering controller (218) for controlling a pointing direction of the steerable antenna using the location information and characterised in that the mobile station includes a memory (206) holding a database of optimal pointing directions of the steerable antenna for given locations and the steering controller is operable to steer the antenna to the optimal pointing direction indicated in the database for the current location. Also described is a system and a method in which the mobile station operates.

    Abstract translation: 用于无线通信系统（100）的移动台（101）包括可转向天线（217），用于获得与移动台的当前位置有关的位置信息的装置（215）和用于控制 使用所述位置信息确定所述可操纵天线的指向，并且其特征在于，所述移动站包括存储器（206），所述存储器保存用于给定位置的所述可转向天线的最佳指向的数据库，并且所述转向控制器可操作以将所述天线转向所述 在当前位置的数据库中指示的最佳指向方向。 还描述了移动台操作的系统和方法。

    METHOD TO ALLOW SECURE COMMUNICATIONS AMONG COMMUNICATION UNITS
    4.
    发明申请
    METHOD TO ALLOW SECURE COMMUNICATIONS AMONG COMMUNICATION UNITS 审中-公开
    通信单位通过安全通信的方法

    公开(公告)号：WO2009142785A3

    公开(公告)日：2010-03-04

    申请号：PCT/US2009033852

    申请日：2009-02-12

    Applicant: MOTOROLA INC ,  KRUEGEL CHRIS A ,  CHATER-LEA DAVID J

    Inventor： KRUEGEL CHRIS A ,  CHATER-LEA DAVID J

    IPC: H04L9/08 ,  H04L29/06

    CPC classification number: H04L9/0833 ,  H04L63/065 ,  H04L2209/80

    Abstract: A first communication unit receives an encrypted transmission from a second communication unit. The encrypted transmission was encrypted by the second communication unit using a first encryption key. The first communication unit compares the first encryption key to an encryption key associated with the first communication unit. If the first encryption key matches the encryption key associated with the first communication unit, the first communication unit processes the encrypted transmission further. If the first encryption key does not match the encryption key associated with the first communication unit, the first communication unit compares the first encryption key to an encryption key associated with the second communication unit. If the first encryption key matches the encryption key associated with the second communication unit, the first communication unit processes the encrypted transmission further; otherwise, the first communication unit does not process the encrypted transmission further.

    Abstract translation: 第一通信单元从第二通信单元接收加密的传输。 加密的传输由第二通信单元使用第一加密密钥加密。 第一通信单元将第一加密密钥与与第一通信单元相关联的加密密钥进行比较。 如果第一加密密钥与第一通信单元相关联的加密密钥匹配，则第一通信单元进一步处理加密的传输。 如果第一加密密钥与与第一通信单元相关联的加密密钥不匹配，则第一通信单元将第一加密密钥与与第二通信单元相关联的加密密钥进行比较。 如果第一加密密钥与第二通信单元相关联的加密密钥匹配，则第一通信单元进一步处理加密的传输; 否则，第一通信单元不进一步处理加密的传输。

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