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    • 23. 发明申请
    • A WIRELESS TERMINAL AND METHOD FOR MANAGING THE RECEIPT OF POSITION REFERENCE SIGNALS FOR USE IN DETERMINING A LOCATION
    • 用于管理位置参考信号的无线终端和方法,用于确定位置
    • WO2010151401A1
    • 2010-12-29
    • PCT/US2010/036982
    • 2010-06-02
    • MOTOROLA MOBILITY, INC.KRISHNAMURTHY, Sandeep H.FRANK, Colin D.STEWART, Kenneth A.
    • KRISHNAMURTHY, Sandeep H.FRANK, Colin D.STEWART, Kenneth A.
    • H04W64/00
    • G01S5/0236G01S5/0036H04W64/00
    • The present invention provides for wireless terminal and a method in a wireless terminal for use in a location determination approach using time of arrival estimates between the wireless terminal and a plurality of base stations in a cellular network. The method includes receiving assistance data from a serving base station for use in receiving a position reference signal used to determine a time of arrival of one or more respective position reference signals from the plurality of base stations relative to a time reference, wherein the assistance data includes a list of base stations, each base station included in the list to be one of used or excluded from use as part of the plurality of base stations for receiving the position reference signal and determining the time of arrival estimate for the received position reference signal. The position reference signal is then received for each of the plurality of base stations, where for each of the plurality of base stations a time of arrival estimate is determined for each of the respective received position reference signals. The time of arrival estimates for each of the plurality of base stations is then forwarded to a location determination entity.
    • 本发明提供无线终端和无线终端中的方法,用于使用在蜂窝网络中的无线终端与多个基站之间的到达时间估计方法的位置确定方法。 该方法包括从服务基站接收辅助数据,用于接收用于确定来自多个基站的一个或多个相应位置参考信号相对于时间参考的到达时间的位置参考信号,其中辅助数据 包括基站列表,列表中包括的每个基站作为用于接收位置参考信号的多个基站的一部分使用或排除的一个,并且确定接收到的位置参考信号的到达时间估计 。 然后对于多个基站中的每一个接收位置参考信号,其中对于多个基站中的每一个基站,为每个相应的接收位置参考信号确定到达时间估计值。 然后将多个基站中的每一个的到达时间估计值转发到位置确定实体。
    • 24. 发明申请
    • CHANNEL ESTIMATION USING A MINIMIZED CHANNEL PREDICTION INTERVAL
    • 使用最小化的信道预测间隔的信道估计
    • WO2006113119B1
    • 2007-06-14
    • PCT/US2006012408
    • 2006-03-31
    • MOTOROLA INCFRANK COLIN DCORKE ROBERT JJASPER STEVEN CMAKHLOUF ISAM R
    • FRANK COLIN DCORKE ROBERT JJASPER STEVEN CMAKHLOUF ISAM R
    • H04L23/02H04L5/12H04L27/28
    • H04L25/0236H04L27/2647
    • A receiver (300) configured for: a) receiving (410) a first OFDM symbol and generating a plurality of demodulated symbols (306) for the first OFDM symbol: b) generating (420) decoder output code symbols (326) corresponding to a subset of the plurality of demodulated symbols; c) determining (430) that a set of (he decoder output code symbols (326) make up a set of reference symbols corresponding to at least a portion of the subset of the plurality of demodulated symbols (306); d) generating (440) the set of reference symbols; e) generating (450) a set of channel estimates (362) based on the set of reference symbols and the at least a portion of the subset of the plurality of demodulated symbols, for use in decoding a current OFDM symbol; and f) repeating steps b- e until a channel estimate for each demodulated symbol corresponding to the first OFDM symbol has been generated.
    • 一种接收机(300),被配置用于:a)接收(410)第一OFDM符号并为所述第一OFDM符号生成多个解调符号(306):b)产生(420)对应于 多个解调符号的子集; c)确定(430)一组(解码器输出码符号(326))构成与多个解调符号(306)的子集的至少一部分相对应的一组参考符号; d)产生(440 )参考符号集合; e)基于参考符号集合和多个解调符号的子集的至少一部分来生成(450)一组信道估计(362),以用于解码当前OFDM符号; 以及f)重复步骤b,直到已经生成了对应于第一OFDM符号的每个解调符号的信道估计。
    • 27. 发明申请
    • CHANNEL ESTIMATION USING A MINIMIZED CHANNEL PREDICTION INTERVAL
    • 使用最小化的信道预测间隔的信道估计
    • WO2006113119A2
    • 2006-10-26
    • PCT/US2006012408
    • 2006-03-31
    • MOTOROLA INCFRANK COLIN DCORKE ROBERT JJASPER STEVEN CMAKHLOUF ISAM R
    • FRANK COLIN DCORKE ROBERT JJASPER STEVEN CMAKHLOUF ISAM R
    • H04K1/10
    • H04L25/0236H04L27/2647
    • A receiver configured for: a) receiving (410) a first OFDM symbol and generating a plurality of demodulated symbols for the first OFDM symbol; b) generating (420) decoder output code symbols corresponding to a subset of the plurality of demodulated symbols; c) determining (430) that a set of the decoder output code symbols make up a set of reference symbols corresponding to at least a portion of the subset of the plurality of demodulated symbols; d) generating (440) the set of reference symbols; e) generating (450) a set of channel estimates based on the set of reference symbols and the at least a portion of the subset of the plurality of demodulated symbols, for use in decoding a current OFDM symbol; and f) repeating steps b-e until a channel estimate for each demodulated symbol corresponding to the first OFDM symbol has been generated.
    • 一种接收机,被配置用于:a)接收(410)第一OFDM符号并产生用于所述第一OFDM符号的多个解调符号; b)产生(420)对应于所述多个解调符号的子集的解码器输出码符号; c)确定(430)一组解码器输出码符号组成对应于多个解调符号的子集的至少一部分的一组参考符号; d)产生(440)所述参考符号集合; e)基于参考符号集合和所述多个解调符号的子集的至少一部分来生成(450)一组信道估计,用于解码当前OFDM符号; 以及f)重复步骤b-e,直到已经产生对应于第一OFDM符号的每个解调符号的信道估计为止。