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    • 1. 发明申请
    • ADAPTIVE DIVERSITY ANTENNA SYSTEM
    • 自适应多样性天线系统
    • WO2005065122A3
    • 2005-10-27
    • PCT/US2004040808
    • 2004-12-07
    • MOTOROLA INCSTRATIS GLAFKOSEMRICK RUDY MCORRAL CELESTINO AEMAMI SHAHRIARSIBECAS SALVADOR
    • STRATIS GLAFKOSEMRICK RUDY MCORRAL CELESTINO AEMAMI SHAHRIARSIBECAS SALVADOR
    • H04B7/08H04B1/06H04B7/10H04Q7/20
    • H04B7/0871H04B7/0874H04B7/10
    • An antenna system (205) includes an antenna structure (215), a receiver (220), and an antenna system controller (225). The antenna structure includes an arrangement of antennas (237), a signal combiner (240), and a switching matrix (235). The arrangement of antennas is designed to have a set of antenna element separations that are optimized to provide lowest correlation coefficients of intercepted radio signals for a corresponding set of electromagnetic environment types that vary from a very low density scattering environment to a maximum density scattering environment. The antennas (230), (231), (232), (233), (234) in the antenna arrangement each include at least one element that has a common polarization. There is at least one antenna that is a dual polarized antenna. The antenna system selects an antenna element pair that corresponds to the environment type which it is operating and thereby receives a best combined signal.
    • 天线系统(205)包括天线结构(215),接收机(220)和天线系统控制器(225)。 天线结构包括天线布置(237),信号组合器(240)和开关矩阵(235)。 天线的布置被设计成具有一组天线元件分离,其被优化以提供从非常低密度散射环境到最大密度散射环境变化的对应的一组电磁环境类型的截取的无线电信号的最低相关系数。 天线装置中的天线(230),(231),(232),(233),(234)各自包括具有共同极化的至少一个元件。 至少有一个天线是双极化天线。 天线系统选择对应于其正在操作的环境类型的天线元件对,从而接收最佳组合信号。
    • 3. 发明申请
    • METHOD AND APPARATUS FOR ENHANCING THE ACCURACY AND SPEED OF A RAY LAUNCHING SIMULATION TOOL
    • 提高射程模拟工具精度和速度的方法和装置
    • WO2009073334A2
    • 2009-06-11
    • PCT/US2008083297
    • 2008-11-13
    • MOTOROLA INCSIBECAS SALVADORBIJAMOV ALEXANDERCORRAL CELESTINO
    • SIBECAS SALVADORBIJAMOV ALEXANDERCORRAL CELESTINO
    • H04W16/20
    • G06F17/5009G06F2217/10G06F2217/78
    • A method (600) and simulation tool (200) having enhanced accuracy and speed for simulation using ray launching in a mixed environment (20) by using adaptive ray expansion mechanisms can include a memory (204) coupled to a processor (202). The processor can select (602) a target area within the mixed environment and modify (604) the propagation properties of the adaptive ray expansion mechanisms according to characteristics classified for the target area. The processor can further classify characteristics for the target area by transmitting and reflecting rays for indoor building regions and for outdoor building regions. The number of bounces or a power level threshold assigned to a transmitted ray is a function of the environment where it propagates. The simulation tool can determine the target area or a region of interest by using a global positioning service device (230) externally attached to a device performing functions of the simulation tool.
    • 具有增强的精度和速度的方法(600)和模拟工具(200)可以包括耦合到处理器(202)的存储器(204)的模拟,其利用自适应射线扩展机构在混合环境(20)中使用射线发射进行模拟。 处理器可以选择(602)混合环境内的目标区域,并根据针对目标区域分类的特征修改(604)自适应射线扩展机构的传播特性。 处理器可以通过传输和反射室内建筑区域和室外建筑区域的射线来进一步对目标区域的特征进行分类。 分配给发射光线的反弹次数或功率电平阈值是其传播的环境的函数。 仿真工具可以通过使用外部附接到执行仿真工具的功能的设备的全球定位服务设备(230)来确定目标区域或感兴趣区域。
    • 7. 发明申请
    • METHOD AND COMMUNICATION UNIT FOR USE IN A WIDEBAND WIRELESS COMMUNICATION SYSTEM
    • 用于宽带无线通信系统的方法和通信单元
    • WO2006010026A3
    • 2006-05-11
    • PCT/US2005024327
    • 2005-07-07
    • MOTOROLA INCEMAMI SHAHRIARCORRAL CELESTINO ARASOR GREGG ESIBECAS SALVADORSTRATIS GLAFKOS
    • EMAMI SHAHRIARCORRAL CELESTINO ARASOR GREGG ESIBECAS SALVADORSTRATIS GLAFKOS
    • H04W72/08H04B1/00H04B15/00H04Q7/20
    • H04B17/309H04W72/085
    • A technique is used in a wideband wireless communication system (100). In some embodiments available channels are determined (310) and one is selected (315) for assignment to each of a set of communication units based on a relative frequency path loss for each available channel. In some embodiments a communication unit is assigned (505) a channel selected from among available channels and a relative signal loss parameter of the communication unit, such as transmit power, is adjusted (510), based on a relative frequency path loss determined from the channel frequency of the assigned channel. In other embodiments, transmit information is split (705) into a plurality of data streams, each characterized by an associated relative signaling sensitivity, and each data stream is assigned (715) to one of a plurality of the transmit channels, wherein data streams are assigned channels of decreasing channel frequencies in order of decreasing associated relative signaling sensitivities of the data streams.
    • 在宽带无线通信系统(100)中使用技术。 在一些实施例中,基于每个可用信道的相对频率路径损耗,确定(310)可用信道并且选择一个(315)用于分配给一组通信单元中的每一个。 在一些实施例中,通信单元被分配(505)从可用信道中选择的信道,并且基于从该信道确定的相对频率路径损耗来调整(510)通信单元的相对信号损失参数,诸如发射功率 指定频道的频道频率。 在其它实施例中,发射信息被分成(705)多个数据流,每个数据流由相关的相对信令灵敏度表征,并且每个数据流被分配(715)到多个发射信道中的一个,其中数据流是 按照降低数据流的相关信令灵敏度的顺序来分配降低信道频率的信道。
    • 8. 发明申请
    • METHOD AND COMMUNICATION UNIT FOR USE IN A WIDEBAND WIRELESS COMMUNICATION SYSTEM
    • 用于宽带无线通信系统的方法和通信单元
    • WO2006010026A2
    • 2006-01-26
    • PCT/US2005/024327
    • 2005-07-07
    • MOTOROLA, INC.EMAMI, ShahriarCORRAL, Celestino A.RASOR, Gregg E.SIBECAS, SalvadorSTRATIS, Glafkos
    • EMAMI, ShahriarCORRAL, Celestino A.RASOR, Gregg E.SIBECAS, SalvadorSTRATIS, Glafkos
    • H04B1/00H04B15/00H04Q7/20
    • H04B17/309H04W72/085
    • A technique is used in a wideband wireless communication system (100). In some embodiments available channels are determined (310) and one is selected (315) for assignment to each of a set of communication units based on a relative frequency path loss for each available channel. In some embodiments a communication unit is assigned (505) a channel selected from among available channels and a relative signal loss parameter of the communication unit, such as transmit power, is adjusted (510), based on a relative frequency path loss determined from the channel frequency of the assigned channel. In other embodiments, transmit information is split (705) into a plurality of data streams, each characterized by an associated relative signaling sensitivity, and each data stream is assigned (715) to one of a plurality of the transmit channels, wherein data streams are assigned channels of decreasing channel frequencies in order of decreasing associated relative signaling sensitivities of the data streams.
    • 在宽带无线通信系统(100)中使用技术。 在一些实施例中,确定可用信道(310),并且基于每个可用信道的相对频率路径损耗来选择(315)用于分配给一组通信单元中的每一个的可用信道。 在一些实施例中,通信单元被分配(505)从可用信道中选择的信道,并且基于从所述信道确定的相对频率路径损耗来调整(510)所述通信单元的相对信号丢失参数(例如发射功率)(510) 分配频道的频道频率。 在其他实施例中,发送信息被分割(705)到多个数据流中,每个数据流的特征在于相关联的相对信令灵敏度,并且每个数据流被分配(715)到多个发送信道之一,其中数据流是 分配的信道频率减少的顺序是减少数据流的相关的相对信令灵敏度。
    • 9. 发明申请
    • ADAPTIVE DIVERSITY ANTENNA SYSTEM
    • 自适应多样性天线系统
    • WO2005065122A2
    • 2005-07-21
    • PCT/US2004/040808
    • 2004-12-07
    • MOTOROLA, INC.STRATIS, GlafkosEMRICK, Rudy, M.CORRAL, Celestino, A.EMAMI, ShahriarSIBECAS, Salvador
    • STRATIS, GlafkosEMRICK, Rudy, M.CORRAL, Celestino, A.EMAMI, ShahriarSIBECAS, Salvador
    • H04B7/08H04B1/06H04B7/10
    • H04B7/0871H04B7/0874H04B7/10
    • An antenna system (205) includes an antenna structure (215), a receiver (220), and an antenna system controller (225). The antenna structure includes an arrangement of antennas (237), a signal combiner (240), and a switching matrix (235). The arrangement of antennas is designed to have a set of antenna element separations that are optimized to provide lowest correlation coefficients of intercepted radio signals for a corresponding set of electromagnetic environment types that vary from a very low density scattering environment to a maximum density scattering environment. The antennas (230), (231), (232), (233), (234) in the antenna arrangement each include at least one element that has a common polarization. There is at least one antenna that is a dual polarized antenna. The antenna system selects an antenna element pair that corresponds to the environment type which it is operating and thereby receives a best combined signal.
    • 天线系统(205)包括天线结构(215),接收器(220)和天线系统控制器(225)。 天线结构包括天线布置(237),信号组合器(240)和开关矩阵(235)。 天线布置被设计成具有一组天线元件间隔,所述天线元件间隔被优化以针对从非常低密度散射环境变化到最大密度散射环境的对应组的电磁环境类型提供截取无线电信号的最低相关系数。 天线装置中的天线(230),(231),(232),(233),(234)各自包括具有共同极化的至少一个元件。 至少有一个天线是双极化天线。 天线系统选择与其正在工作的环境类型相对应的天线元件对,从而接收最佳组合信号。