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    METHODS AND APPARATUS FOR SUPPORTING UPLINKS WITH REMOTE BASE STATIONS
    4.
    发明公开
    METHODS AND APPARATUS FOR SUPPORTING UPLINKS WITH REMOTE BASE STATIONS 有权
    方法和设备用于支持上行链路的远程基站

    公开(公告)号：EP1894325A2

    公开(公告)日：2008-03-05

    申请号：EP06772843.6

    申请日：2006-06-12

    申请人： Qualcomm Flarion Technologies, Inc.

    发明人： LANE, Frank, A. ,  LAROIA, Rajiv ,  LI, Junyi

    IPC分类号： H04B7/26

    CPC分类号： H04L27/2614 ,  H04B7/2125 ,  H04J3/0682 ,  H04W56/00

    摘要： A wireless terminal using OFDM signaling supporting both terrestrial and satellite base station connectivity operates using conventional access probe signaling in a first mode of operation to establish a timing synchronized wireless link with a terrestrial base station. In a second mode of operation, used to establish a timing synchronized wireless link with a satellite base station, a slightly modified access protocol is employed. The round trip signaling time and timing ambiguity between a wireless terminal and a satellite base station is substantially greater than with a terrestrial base station. The modified access protocol uses coding of access probe signals to uniquely identify a superslot index within a beaconslot. The modified protocol uses multiple access probes with different timing offsets to further resolve timing ambiguity and allows the satellite base station access monitoring interval to remain small in duration. Terrestrial base station location/connection information is used to estimate initial timing.

    EFFICIENT PAGING IN A WIRELESS COMMUNICATION SYSTEM
    6.
    发明公开
    EFFICIENT PAGING IN A WIRELESS COMMUNICATION SYSTEM 有权
    EINIZIENTES PAGING IN EINEM DRAHTLOSEN KOMMUNIKATIONSSYSTEM

    公开(公告)号：EP1754387A2

    公开(公告)日：2007-02-21

    申请号：EP05758002.9

    申请日：2005-06-09

    申请人： Qualcomm Flarion Technologies, Inc.

    发明人： LAROIA, Rajiv ,  LI, Junyi ,  RANGAN, Sundeep ,  HANDE, Prashanth

    IPC分类号： H04Q7/20

    CPC分类号： H04W68/025 ,  Y02D70/00

    摘要： Methods and apparatus for efficient two-stage paging wireless communications systems are described. Wireless terminals are assigned to paging groups. A few first paging message information bits are modulated (using non-coherent modulation) into a first paging signal and communicated from a base station to wireless terminals. WTs wake-up, receive the first paging signal and quickly ascertain whether its paging group should expect a second paging signal, if so, the WT is operated to receive the second paging signal; otherwise, the WT goes back to sleep conserving power. The base station modulates (using coherent modulation) a number of second message information bits into a second paging signal and transmits the signal to WTs. From the information in first and second paging signals, a WT can determine that it is the paged WT and process the paging instructions. The intended paged WT can transmit an acknowledgement signal on a dedicated uplink resource.

    摘要翻译： 描述了用于有效的两阶段寻呼无线通信系统的方法和装置。 无线终端被分配给寻呼组。 几个第一寻呼消息信息比特被调制（使用非相干调制）到第一寻呼信号中并从基站传送到无线终端。 WT唤醒，接收第一寻呼信号，并快速确定其寻呼组是否应该预期第二寻呼信号，如果是，则操作WT接收第二寻呼信号; 否则，WT回去睡觉节电。 基站将多个第二消息信息比特（使用相干调制）调制成第二寻呼信号，并将该信号发送给WT。 从第一和第二寻呼信号中的信息，WT可以确定它是寻呼WT并处理寻呼指令。 预期的寻呼WT可以在专用上行链路资源上发送确认信号。

    BASE STATION METHODS AND APPARATUS FOR DC TONE SPECIAL TREATMENT
    7.
    发明公开
    BASE STATION METHODS AND APPARATUS FOR DC TONE SPECIAL TREATMENT 有权
    基站的方法和装置用于DC频调特殊处理

    公开(公告)号：EP1911236A2

    公开(公告)日：2008-04-16

    申请号：EP06786529.5

    申请日：2006-07-08

    申请人： Qualcomm Flarion Technologies, Inc.

    发明人： JIN, Hui ,  LI, Junyi ,  LAROIA, Rajiv

    IPC分类号： H04L27/26 ,  H04L25/06

    CPC分类号： H04L5/0058 ,  H04L5/0007 ,  H04L5/0046 ,  H04L27/2626

    摘要： Special DC tone treatment in a wireless communications system, e.g., an OFDM system, is discussed. In the downlink, a wireless terminal receiver introduces self-interference at the DC tone from the RP/ baseband conversion. A base station thus does not transmit on the downlink DC tone according to a predetermined pattern while continuing to transmit on other downlink tones.. Wireless terminals measure received signal on the downlink DC tone during the time of suspended DC tone transmission, estimate self-interference and apply a correction to other received downlink DC tones. In the uplink DC tone interference is a composite of the assigned wireless terminal transmitter's baseband/RF conversion self-interference and air link noise. During one symbol interval of an N symbol interval dwell, the uplink DC tone is reserved for a special modulation symbol, which is a predetermined function of the other M-I modulation symbols. At the base station, its receiver receives a set of modulation symbols conveyed by the uplink DC tone for a dwell, calculates the average DC component and corrects the received N-I modulation symbols.

    METHODS AND APPARATUS FOR IMPLEMENTING AND USING AN IN-BAND RATE INDICATOR
    8.
    发明公开
    METHODS AND APPARATUS FOR IMPLEMENTING AND USING AN IN-BAND RATE INDICATOR 有权
    方法和用于实现，并使用带速率指示装置

    公开(公告)号：EP1908192A2

    公开(公告)日：2008-04-09

    申请号：EP06787643.3

    申请日：2006-07-19

    申请人： Qualcomm Flarion Technologies, Inc.

    发明人： LAROIA, Rajiv ,  JIN, Hui ,  LI, Junyi ,  LANE, Frank, A. ,  RICHARDSON, Tom

    IPC分类号： H04B7/26

    CPC分类号： H04L1/0057 ,  H04L1/0004 ,  H04L1/0005 ,  H04L1/0009 ,  H04L1/0025 ,  H04L1/0029 ,  H04L27/0008 ,  H04L27/2608 ,  Y02D50/10

    摘要： Downlink traffic channel data rate options and methods of indicating to a wireless terminal a utilized downlink data rate option are described. The downlink traffic channel rate option for a segment is conveyed using an assignment signal and/or a block in the downlink traffic channel segment which is not used for user data. Downlink segment assignment signals in some implementations allocate fewer bits for rate option indication than are required to uniquely identify each option. In some implementations low rate options, e.g., using QPSK, are uniquely identified via assignment signals. Higher rate options, e.g., using QAM16 modulation, are conveyed via the distinct information block in the downlink traffic segment using a first coding/modulation method. Still higher rate options, e.g., using QAM16, QAM64, or QAM256, are conveyed via the information block in the segment using a second coding/modulation method which is applied to the rate option information.

    METHODS AND APPARATUS FOR USING MULTIPLE WIRELESS LINKS WITH A WIRELESS TERMINAL
    10.
    发明公开
    METHODS AND APPARATUS FOR USING MULTIPLE WIRELESS LINKS WITH A WIRELESS TERMINAL 有权
    方法和设备使用与无线终端多无线连接

    公开(公告)号：EP1861969A1

    公开(公告)日：2007-12-05

    申请号：EP06739332.2

    申请日：2006-03-22

    申请人： QUALCOMM Flarion Technologies, Inc.

    发明人： KNAPP, Edward ,  LI, Junyi

    IPC分类号： H04L12/56 ,  H04L12/28

    摘要： Mobile nodes support simultaneous OFDM links with multiple points of network attachment. A MN may simultaneously use multiple IP addresses, allowing packets addressed to the mobile to be routed over different paths. Alternatively, the MN may have a single IP address with packets corresponding to different applications, e.g., identified by packet header information, being routed over different paths. Thus packets corresponding to one application, e.g., a voice application, may be routed over one wireless link while packets corresponding to another application, e.g., a data application such as E-mail, may be routed over another wireless link, while packets corresponding to still another application, e.g., a broadcast TV service may be communicated over another wireless link. The direction of communication, latency, reliability and other QoS characteristics of the different wireless links may be considered in path selection to provide MN's user with cost effective service while still meeting minimum application requirements.