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    METHOD FOR UTILIZING MULTIPLE LEVEL ENCRYPTION
    1.
    发明专利
    METHOD FOR UTILIZING MULTIPLE LEVEL ENCRYPTION 未知

    公开(公告)号：CA2526010C

    公开(公告)日：2011-11-01

    申请号：CA2526010

    申请日：2004-04-20

    Applicant: MOTOROLA INC

    Inventor： BIGGS ROBERT A ,  NEWBERG DONALD G

    IPC: H04W12/00 ,  H04L9/00 ,  H04W74/04 ,  H04W92/10 ,  H04W92/18

    Abstract: In a wireless communication system with an air interface comprised of a plurality of bursts, a communication device (102) receives a burst (200). The burst (200) comprises payload (206, 208), a first indicator (202) and a second indicator (204). Upon receipt of the burst (200), the communication device (102) determines a value of the first indicator (202) to determine whether end-to-end encryption is applied to at least a portion of the payload, and determines a value of the second indicator (204) to determine whether air interface encryption is applied to at least a portion of the payload.

    SYSTEM AND METHOD TO DYNAMICALLY MANAGE A TALK GROUP SIGNALING TYPE
    4.
    发明申请
    SYSTEM AND METHOD TO DYNAMICALLY MANAGE A TALK GROUP SIGNALING TYPE 审中-公开
    动态组合信号类型的系统和方法

    公开(公告)号：WO2007146476A3

    公开(公告)日：2008-05-15

    申请号：PCT/US2007065441

    申请日：2007-03-29

    Applicant: MOTOROLA INC ,  MCDONALD DANIEL J ,  BIGGS ROBERT A ,  GARD JERALD M

    Inventor： MCDONALD DANIEL J ,  BIGGS ROBERT A ,  GARD JERALD M

    IPC: H04B7/00 ,  H04W4/06 ,  H04W4/10

    CPC classification number: H04W72/005 ,  H04W4/10 ,  H04W76/005

    Abstract: A transmission capability of a mobile station that requests to be affiliated with a talk group is received. It is then determined whether to alter a current transmission mode of the talk group based at least in part upon the transmission capability of the mobile station, the current transmission mode of the talk group, and the transmission mode of one or more radio frequency (RF) sites associated with the talk group.

    Abstract translation: 接收请求与通话组关联的移动台的传输能力。 至少部分地基于移动台的传输能力，通话组的当前传输模式以及一个或多个射频（RF）的传输模式来确定是否改变通话组的当前传输模式 ）与通话组相关联的站点。

    Method of signaling reverse channel information with minimal voice/data delay
    5.
    发明专利
    Method of signaling reverse channel information with minimal voice/data delay 未知

    公开(公告)号：GB2429378B

    公开(公告)日：2009-04-08

    申请号：GB0619700

    申请日：2005-02-22

    Applicant: MOTOROLA INC

    Inventor： BIGGS ROBERT A

    IPC: H04J3/00 ,  H04B7/212 ,  H04J3/06 ,  H04J3/12 ,  H04W4/00 ,  H04W72/04

    Abstract: In a time division multiple access system, a subscriber listens to an assigned channel ( 300 ) and an alternate channel ( 302 ) until a location of reverse channel signaling is determined for the assigned channel. The subscriber also obtains a fixed periodic rate ( 304 ) for the reverse channel signaling. Based on the fixed periodic rate, the subscriber selectively listens to the alternate channel to receive reverse channel signaling while transmitting information on the assigned channel. The base repeater, however, selects the fixed periodic rate for reverse channel signaling and transmits the reverse channel signaling at the fixed periodic rate to the transmitting subscriber. If the base repeater receives a burst belonging to a superframe and determines that any burst in the superframe will collide with the reverse channel signaling, the base repeater buffers any received burst in the superframe and transmits the buffered bursts at a subsequent time.

    METHODS FOR PROVIDING ACCESS TO WIRELESS RESOURCES IN A TRUNKED RADIO COMMUNICATION SYSTEM
    8.
    发明专利
    METHODS FOR PROVIDING ACCESS TO WIRELESS RESOURCES IN A TRUNKED RADIO COMMUNICATION SYSTEM 未知

    公开(公告)号：CA2386652C

    公开(公告)日：2007-05-01

    申请号：CA2386652

    申请日：2002-05-16

    Applicant: MOTOROLA INC

    Inventor： BIGGS ROBERT A ,  ANDERSON JEFFREY S ,  GUSTAFSON LESLIE G JR ,  MCMAHON MICHAEL P

    IPC: H04L12/56 ,  H04W8/26 ,  H04W72/04 ,  H04W74/00 ,  H04W84/08

    Abstract: Methods are disclosed for providing requested access, network-initiated acce ss and autonomous access to communication resources (101-105) by wireless unit( s) (112, 114), and for controlling the different types of access using access control identifier(s) assigned to the devices. Requested access requires a unit to send a call request (302) to a resource controller (106). The request (302) includes an identification of the unit and an identifier associated with the unit. Netwo rk- initiated access comprises a resource controller or other fixed network equipment sending a page request (502) to the unit which responds with a page response message (504) including the identification of the unit and an identifier. The resource controller (106) determines, based on the identifier. whether a communication resource is available to support the request. Autonomous access comprises the unit (112, 114) receivi ng an advertisement message (402) identifying a communication resource and one or more identifiers associated with the communication resource. The unit determines its eligibility for autonomous access based an the advertisement message.

    METHOD FOR SYNCHRONIZING A CONTROL CHANNEL TO A WORKING CHANNEL
    9.
    发明专利
    METHOD FOR SYNCHRONIZING A CONTROL CHANNEL TO A WORKING CHANNEL 未知

    公开(公告)号：CA2519587C

    公开(公告)日：2010-05-04

    申请号：CA2519587

    申请日：2004-02-12

    Applicant: MOTOROLA INC

    Inventor： BIGGS ROBERT A

    IPC: H04J3/06 ,  H04B7/26

    Abstract: A subscriber unit (104) listens to a first channel (202), decodes at least a portion of a data unit on the first channel (202), and learns a synchronization between the first channel (202) and a second channel (206/300) based on a micro-slot value. A first base radio (1061) transmits a first plurality of data units on the first channel (202). A second base radio (1063) transmits a second plurality of data units on the second channel (206/300). The first plurality of micro-slots on the first channel (202) is synchronized with the second plurality of micro-slots or plurality of frame boundaries on the second channel (206/300). The first base radio (1061) transmits a message (406) on the first channel (202) wherein the message comprises at least a micro-slot value used to associate the synchronization between the first channel (202) and the second channel (206/300).

    METHOD FOR SELECTING AN OPERATING MODE BASED ON A DETECTED SYNCHRONIZATION PATTERN
    10.
    发明专利
    METHOD FOR SELECTING AN OPERATING MODE BASED ON A DETECTED SYNCHRONIZATION PATTERN 未知

    公开(公告)号：CA2527142C

    公开(公告)日：2009-04-07

    申请号：CA2527142

    申请日：2004-04-29

    Applicant: MOTOROLA INC

    Inventor： STOGNER DARRELL J ,  MURI DAVID L ,  BIGGS ROBERT A ,  HIBEN BRADLEY M ,  WILSON ALAN L ,  NEWBERG DONALD G

    IPC: H04W56/00 ,  H04J3/06 ,  H04Q20060101 ,  H04W80/00

    Abstract: A received synchronization pattern is compared against first and second know n synchronization patterns. If the received pattern is substantially similar t o the first known pattern, the payload is processed as voice; and if the received pattern is substantially similar to the second known pattern, the payload is processed as non-voice. Alternatively, a target synchronization pattern dependent on an operating mode is selected. The received pattern is compared against the target pattern. If the received pattern is substantiall y similar to the target pattern, the payload is processed; otherwise, the burs t is discarded. In yet another alternative, the received pattern is compared against first and second known synchronization patterns having a common length. If the received pattern is substantially similar to the first known pattern, a first operating mode is selected, and if the received pattern is substantially similar to the second known pattern, a second operating mode i s selected.

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