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    • 2. 发明申请
    • METHOD AND APPARATUS FOR MEASUREMENT AND IDENTIFICATION OF GSM CO-CHANNEL INTERFERING TRANSMITTERS
    • GSM通道干扰发射机的测量和识别方法与装置
    • WO2005076838A3
    • 2007-03-01
    • PCT/US2005002805
    • 2005-02-02
    • PCTEL MARYLAND INC
    • PERIC SINISA
    • H04B7/00H04B15/00H04W8/00H04W24/00H04W28/04H04W48/12H04W84/04H04W88/08
    • H04W48/12H04W8/005H04W24/00H04W84/042H04W88/08
    • A methodology (and data analysis tool based thereon) for acquisition and analysis of signals in a GSM cellular wireless communication network as part of a network survey (e.g., drive test). Repetitive measurements of the time-of-arrival of FCCH bursts in a given communication channel are made in conjunction with the measurements of the power level and C/I ratio of such FCCH bursts. Successful FCCH burst detection triggers SCH detection/decoding operations for the next frame in the channel, and successful SCH decoding triggers BCCH detection/decoding for subsequent frames in the channel. Further data analysis operations associate SCH BSIC data and possibly BCCH data that are derived from successful SCH and BCCH decoding operations with the corresponding FCCH burst information. With such operations, FCCH bursts are unambiguously associated with a given cell in the GSM network without requiring a priori knowledge of the network configuration or its geographical layout. In fact, it is enough to decode an SCH burst and BCCH burst only once in order to associate all of the FCCH bursts for a given transmitter (Cell, Base Station).
    • 作为网络调查的一部分(例如,驱动器测试)的用于在GSM蜂窝无线通信网络中获取和分析信号的方法(以及基于此的数据分析工具)。 在给定的通信信道中对FCCH脉冲串的到达时间的重复测量结合这种FCCH脉冲串的功率电平和C / I比的测量值进行。 成功的FCCH突发检测触发通道中下一帧的SCH检测/解码操作,成功的SCH解码触发通道中后续帧的BCCH检测/解码。 进一步的数据分析操作将SCH BSIC数据和可能的从成功的SCH和BCCH解码操作导出的BCCH数据与对应的FCCH突发信息相关联。 通过这样的操作,FCCH突发与GSM网络中的给定小区明确地相关联,而不需要对网络配置或其地理布局的先验知识。 实际上,为了将给定的发射机(小区,基站)的所有FCCH脉冲串相关联,仅对SCH突发和BCCH突发进行一次解码就足够了。
    • 3. 发明申请
    • METHOD AND APPARATUS FOR MEASUREMENT AND IDENTIFICATION OF GSM CO-CHANNEL INTERFERING TRANSMITTERS
    • GSM共通道干扰发射机的测量和识别方法与装置
    • WO2005076838A2
    • 2005-08-25
    • PCT/US2005/002805
    • 2005-02-02
    • PCTEL MARYLAND, INC.
    • PERIC, Sinisa
    • H04W8/00H04W24/00H04W28/04H04W48/12H04W84/04H04W88/08
    • H04W48/12H04W8/005H04W24/00H04W84/042H04W88/08
    • A methodology (and data analysis tool based thereon) for acquisition and analysis of signals in a GSM cellular wireless communication network as part of a network survey (e.g., drive test). Repetitive measurements of the time-of-arrival of FCCH bursts in a given communication channel are made in conjunction with the measurements of the power level and C/I ratio of such FCCH bursts. Successful FCCH burst detection triggers SCH detection/decoding operations for the next frame in the channel, and successful SCH decoding triggers BCCH detection/decoding for subsequent frames in the channel. Further data analysis operations associate SCH BSIC data and possibly BCCH data that are derived from successful SCH and BCCH decoding operations with the corresponding FCCH burst information. With such operations, FCCH bursts are unambiguously associated with a given cell in the GSM network without requiring a priori knowledge of the network configuration or its geographical layout. In fact, it is enough to decode an SCH burst and BCCH burst only once in order to associate all of the FCCH bursts for a given transmitter (Cell, Base Station).
    • 作为网络调查的一部分(例如,驱动器测试)的用于在GSM蜂窝无线通信网络中获取和分析信号的方法(及其基础上的数据分析工具)。 在给定通信信道中FCCH突发的到达时间的重复测量结合这种FCCH突发的功率电平和C / I比的测量结果进行。 成功的FCCH突发检测触发通道中下一帧的SCH检测/解码操作,成功的SCH解码触发通道中后续帧的BCCH检测/解码。 进一步的数据分析操作将SCH BSIC数据和可能的从成功的SCH和BCCH解码操作导出的BCCH数据与对应的FCCH突发信息相关联。 通过这样的操作,FCCH突发与GSM网络中的给定小区明确地相关联,而不需要对网络配置或其地理布局的先验知识。 实际上,只有一次对SCH突发和BCCH突发进行解码就足以将给定发射机(Cell,Base Station)的所有FCCH脉冲串相关联。
    • 4. 发明申请
    • METHOD AND APPARATUS FOR BEACON DISCOVERY IN A SPREAD SPECTRUM CELLULAR RADIO COMMUNICATION SYSTEM
    • 传播光谱无线电通信系统中信号发现的方法与装置
    • WO2006110570A1
    • 2006-10-19
    • PCT/US2006/013137
    • 2006-04-06
    • PCTEL, MARYLAND, INC.SOLTANIAN, AmirPERIC, MirjanaSRIVASTANA, Vikash
    • SOLTANIAN, AmirPERIC, MirjanaSRIVASTANA, Vikash
    • H01Q3/22
    • H04L43/0852H04B1/7075H04B1/7117H04B2201/70701H04L41/5009
    • An apparatus (and corresponding methodology) for discovering beacon signals in a spread spectrum radio communication system is selectively operable in one of two modes. The first mode employs a local reference timing signal, while the second mode employs a GPS-derived reference timing signal. Preferably, the first mode identifies a baseline beacon signal that satisfies a constraint based upon time delays for detected beacon signals which are indicative of the relative distance of the transmitting base stations, thus providing selection of a baseline beacon signal that originates from a relatively close base station. The index of the baseline beacon signal is recovered and then used together with relative timing derived from the local reference timing signal to assign indices to other detected beacon signals. In another aspect, control means is provided for selectively switching between the first and second modes in accordance with a plurality of user-selectable modes, which preferably include a GPS-priority mode (whereby the control means automatically switches between the first and second modes based upon GPS signal receive status) and an Indoor mode (whereby the control means operates in the first mode irrespective of GPS signal receive status).
    • 用于在扩频无线电通信系统中发现信标信号的装置(和相应的方法)可选择性地以两种模式之一进行操作。 第一模式采用本地参考定时信号,而第二模式采用GPS导出的参考定时信号。 优选地,第一模式识别满足基于检测到的信标信号的时间延迟的基准信标信号,该信标信号指示发射基站的相对距离,从而提供源于相对较近的基站的基线信标信号的选择 站。 恢复基线信标信号的索引,然后与从本地参考定时信号导出的相对定时一起使用,以将索引分配给其他检测到的信标信号。 在另一方面,提供了控制装置,用于根据多个用户可选模式选择性地在第一和第二模式之间切换,优选地包括GPS优先模式(由此控制装置自动地在第一和第二模式之间切换 在GPS信号接收状态)和室内模式(其中控制装置在第一模式下操作,而不管GPS信号接收状态如何)。