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    SYSTEMS, METHODS AND DEVICES FOR OVERLAID OPERATION OF SATELLITE AND TERRESTRIAL WIRELESS COMMUNICATIONS SYSTEMS
    1.
    发明授权
    SYSTEMS, METHODS AND DEVICES FOR OVERLAID OPERATION OF SATELLITE AND TERRESTRIAL WIRELESS COMMUNICATIONS SYSTEMS 有权
    系统，方法和设备卫星的分层操作和地面无线通信系统

    公开(公告)号：EP2313991B1

    公开(公告)日：2012-01-25

    申请号：EP09789080.0

    申请日：2009-08-06

    申请人： ATC Technologies, LLC

    发明人： DUTTA, Santanu ,  CHURAN, Gary, G. ,  ZHENG, Dunmin ,  NGUYEN, Serge

    IPC分类号： H04B7/185

    CPC分类号： H04B7/18513 ,  H04B7/18563 ,  H04B7/18591

    摘要： A communications system includes a space-based network (SBN) including a plurality of spotbeams using a first set of frequencies and an ancillary terrestrial network (ATN) including a plurality of base stations using a second set of radio frequencies. In a coverage zone of a given spot beam wherein the SBN and the ATN use at least one frequency from the first and second sets of frequencies in common, the SBN uses a narrower bandwidth than the ATN on both forward and return links, the ATN employs frequency spreading on at least its return link communications, the SBN employs spatial beam nulling directed toward at least one ancillary terrestrial component (ATC) of the ATN, the SBN employs forward link margin control, the ATN employs return link power control, the SBN employs return link power control and base stations of the ATN provide isolation in the direction of at least one satellite of the SBN. Using such a combination of measures, the ATN and the SBN may support completely or partially overlapping use of the first and second sets of radio frequencies.

    SYSTEMS, METHODS AND DEVICES FOR OVERLAID OPERATION OF SATELLITE AND TERRESTRIAL WIRELESS COMMUNICATIONS SYSTEMS
    3.
    发明公开
    SYSTEMS, METHODS AND DEVICES FOR OVERLAID OPERATION OF SATELLITE AND TERRESTRIAL WIRELESS COMMUNICATIONS SYSTEMS 有权
    系统，方法和设备卫星的分层操作和地面无线通信系统

    公开(公告)号：EP2313991A1

    公开(公告)日：2011-04-27

    申请号：EP09789080.0

    申请日：2009-08-06

    申请人： ATC Technologies, LLC

    发明人： DUTTA, Santanu ,  CHURAN, Gary, G. ,  ZHENG, Dunmin ,  NGUYEN, Serge

    IPC分类号： H04B7/185

    CPC分类号： H04B7/18513 ,  H04B7/18563 ,  H04B7/18591

    摘要： A communications system includes a space-based network (SBN) including a plurality of spotbeams using a first set of frequencies and an ancillary terrestrial network (ATN) including a plurality of base stations using a second set of radio frequencies. In a coverage zone of a given spot beam wherein the SBN and the ATN use at least one frequency from the first and second sets of frequencies in common, the SBN uses a narrower bandwidth than the ATN on both forward and return links, the ATN employs frequency spreading on at least its return link communications, the SBN employs spatial beam nulling directed toward at least one ancillary terrestrial component (ATC) of the ATN, the SBN employs forward link margin control, the ATN employs return link power control, the SBN employs return link power control and base stations of the ATN provide isolation in the direction of at least one satellite of the SBN. Using such a combination of measures, the ATN and the SBN may support completely or partially overlapping use of the first and second sets of radio frequencies.

    COMMUNICATION NETWORK COMPRISING CARRIER GROUPINGS AND REUSE PATTERNS FOR THE RETURN LINK
    5.
    发明公开
    COMMUNICATION NETWORK COMPRISING CARRIER GROUPINGS AND REUSE PATTERNS FOR THE RETURN LINK 审中-公开
    随着对后连接支持团体和重用图形通信网络

    公开(公告)号：EP2441181A2

    公开(公告)日：2012-04-18

    申请号：EP10722254.9

    申请日：2010-05-26

    申请人： ATC Technologies, LLC

    发明人： NGUYEN, Serge ,  DUTTA, Santanu

    IPC分类号： H04B7/185

    CPC分类号： H04B7/18539 ,  H04L5/06 ,  H04W72/02 ,  H04W72/0453 ,  H04W84/06

    摘要： In some embodiments, a satellite communications network dynamically regulates carrier assignment for bidirectional communications between a satellite and radioterminals. The satellite communications network includes a resource manager that regulates the carrier assignments by selecting among a plurality of FDD return subcarriers, with potentially different subcarrier bandwidths and supporting different radio access technologies, within at least one FDD return carrier grouping for coupling to a selected one of a plurality of FDD forward carriers, and by controlling the satellite network to receive communications from the radioterminal on the selected FDD return subcarrier and to transmit communications to the radioterminal on the selected FDD forward carrier.