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    • 1. 发明授权
    • Ranging of wireless communication networks with distant wireless links
    • 用远程无线链路测距无线通信网络
    • US08086249B1
    • 2011-12-27
    • US12197597
    • 2008-08-25
    • Esmail Hejazi DinanSaied Kazeminejad
    • Esmail Hejazi DinanSaied Kazeminejad
    • H04W24/00
    • H04W56/0005H04W56/0045
    • A method of operating a communication system is disclosed. The method includes receiving a first location information related to a geographic location of a wireless communication device and a second location information related to a geographic location of an access node, processing the first location information and the second location information to determine a distance between the wireless communication device and the access node, processing the distance to determine a first delay metric, wherein the first delay metric indicates a first time delay associated with a wireless link between the access node and the wireless communication device, and processing the first delay metric to determine if the first delay metric exceeds a threshold delay. If the first delay metric exceeds the threshold delay, processing the first delay metric and a protocol timing period to determine a second delay metric, wherein the second delay metric indicates a second time delay less than the protocol timing period, processing at least one of the protocol timing periods to add to the second delay metric to determine a third delay metric, wherein the third delay metric comprises the second delay metric and the at least one of the protocol timing periods. The method also includes timing communications between the access node and the wireless communication device over the wireless link based on the third delay metric.
    • 公开了一种操作通信系统的方法。 该方法包括接收与无线通信设备的地理位置相关的第一位置信息和与接入节点的地理位置相关的第二位置信息,处理第一位置信息和第二位置信息以确定无线 通信设备和所述接入节点,处理所述距离以确定第一延迟度量,其中所述第一延迟度量指示与所述接入节点和所述无线通信设备之间的无线链路相关联的第一时间延迟,以及处理所述第一延迟度量以确定 如果第一延迟度量超过阈值延迟。 如果第一延迟度量超过阈值延迟,则处理第一延迟度量和协议定时周期以确定第二延迟度量,其中第二延迟度量指示小于协议定时周期的第二时间延迟,处理至少一个 协议定时周期以添加到第二延迟度量以确定第三延迟度量,其中第三延迟度量包括第二延迟度量和协议定时周期中的至少一个。 该方法还包括基于第三延迟度量通过无线链路在接入节点和无线通信设备之间定时通信。
    • 5. 发明授权
    • Method and system of determining whether a mobile station is located inside a coverage area of a narrowband repeater and using the determination in a handover procedure
    • 确定移动站是否位于窄带中继器的覆盖区域内并使用切换过程中的确定的方法和系统
    • US08750878B2
    • 2014-06-10
    • US12759195
    • 2010-04-13
    • Sungki ParkSaied Kazeminejad
    • Sungki ParkSaied Kazeminejad
    • H04W36/00
    • H04W36/30H04B7/2606H04W84/047
    • A method and system of determining whether a mobile station is located inside (or moving into) a repeater's coverage area and using the determination in a handover procedure. An access network may receive from a mobile station communicating on a first wireless link an indication of channel quality for the first wireless link and a second wireless link that serve the same coverage area. The access network may then use the channel quality indicators to determine whether the mobile station is located inside (or moving into) a repeater's coverage area, such as by comparing the channel quality indicators. If the access network determines that the mobile station is located inside (or moving into) the repeater's coverage area, it may also initiate a handover of the communication with the mobile station to the repeated wireless link (e.g., which may include suspending application of a load threshold to the repeated wireless link).
    • 一种确定移动站是否位于中继器的覆盖区域内(或移动到)中并在切换过程中使用该确定的方法和系统。 接入网络可以从在第一无线链路上通信的移动台接收第一无线链路的信道质量的指示和服务于相同覆盖区域的第二无线链路。 然后,接入网络可以使用信道质量指示符来确定移动站是否位于中继器的覆盖区域的内部(或者移入)中,例如通过比较信道质量指示符。 如果接入网络确定移动站位于中继器的覆盖区域内(或移入)中,则还可以发起与移动站的通信到重复的无线链路的切换(例如,其可以包括暂停应用 负载阈值到重复的无线链路)。
    • 6. 发明授权
    • Load balancing multiple among multiple carriers in a sector
    • 在扇区中的多个载波之间负载平衡多个
    • US08295235B2
    • 2012-10-23
    • US12403542
    • 2009-03-13
    • Subir VarmaSaied Kazeminejad
    • Subir VarmaSaied Kazeminejad
    • H04W4/00
    • H04W72/0486
    • A method of operating a communication system is disclosed. A first set of wireless devices is communicated with using a first frequency range. A second set of wireless devices is communicated with using a second frequency range. A first air-interface utilization associated with the first frequency range is determined. The first air-interface utilization is determined to satisfy a criteria. A second air-interface utilization associated with the second frequency range is determined. A subset of the first set of wireless devices is selected. The subset is selected to have a total air interface utilization that exceeds one-half of the difference between the first air-interface utilization and the second air-interface utilization. The subset of wireless devices is controlled to use the second frequency range.
    • 公开了一种操作通信系统的方法。 使用第一频率范围来传送第一组无线设备。 使用第二频率范围来传送第二组无线设备。 确定与第一频率范围相关联的第一空中接口利用。 确定第一空中接口利用率以满足标准。 确定与第二频率范围相关联的第二空中接口利用。 选择第一组无线设备的子集。 该子集被选择为具有超过第一空中接口利用率和第二空中接口利用率之差的一半的总空中接口利用率。 控制无线设备的子集以使用第二频率范围。
    • 7. 发明授权
    • Method and systems of selecting a mode of operation of a multi-antenna receiver in a radio access network
    • 在无线电接入网络中选择多天线接收机的操作模式的方法和系统
    • US08755477B1
    • 2014-06-17
    • US13553277
    • 2012-07-19
    • Sungki ParkSaied Kazeminejad
    • Sungki ParkSaied Kazeminejad
    • H04B7/10
    • H04B7/0871H04B7/0413H04B7/0857
    • A radio access network (RAN) may receive signals with a plurality of antennas. Each antenna may receive a respective incoming signal. Based on the received signals, the RAN may determine an interference factor that relates to interference across the various respective incoming signals received by each antenna. The RAN may also use various criteria and formulas to calculate the interference factor. Once the RAN determines the interference factor, the RAN may determine to operate the receiver in one of two modes. The RAN may operate either in a Maximal Ratio Combining mode or in an Interference Rejection Combining mode. The RAN may periodically re-determine the interference factor and responsively re-determine the operation mode.
    • 无线电接入网络(RAN)可以接收具有多个天线的信号。 每个天线可以接收相应的输入信号。 基于接收到的信号,RAN可以确定与由每个天线接收的各种相应输入信号之间的干扰有关的干扰因子。 RAN还可以使用各种标准和公式来计算干扰因子。 一旦RAN确定干扰因子,RAN可以确定以两种模式之一来操作接收机。 RAN可以以最大比组合模式或干扰拒绝组合模式操作。 RAN可以周期性地重新确定干扰因子并且响应地重新确定操作模式。
    • 8. 发明授权
    • Ranging of wireless communication networks with distant links
    • 无线通信网络与远程链路的测距
    • US08520646B1
    • 2013-08-27
    • US12180036
    • 2008-07-25
    • Esmail Hejazi DinanSaied Kazeminejad
    • Esmail Hejazi DinanSaied Kazeminejad
    • H04W4/00H04W84/12H04W84/18
    • H04W84/12H04W24/08H04W84/18H04W88/085
    • A method of operating a communication system is disclosed. The method includes exchanging a first communications between an access node and an antenna node over a first link and processing the first communications to determine a first delay metric, wherein the first delay metric indicates a first time delay associated with the first link. The method also includes exchanging a second communications between the access node and a wireless communication device over a third link, wherein the third link comprises the first link and a second link between the antenna node and the wireless communication device and processing the second communications to determine a second delay metric, wherein the second delay metric indicates a second time delay associated with the third link. The method also includes processing the first delay metric and the second delay metric to determine a third delay metric and timing a third communications between the access node and the wireless communication device over the third link based on the third delay metric.
    • 公开了一种操作通信系统的方法。 该方法包括通过第一链路交换接入节点和天线节点之间的第一通信,并处理第一通信以确定第一延迟度量,其中第一延迟度量指示与第一链路相关联的第一时间延迟。 该方法还包括通过第三链路交换接入节点和无线通信设备之间的第二通信,其中第三链路包括第一链路和天线节点与无线通信设备之间的第二链路,并处理第二通信以确定 第二延迟度量,其中所述第二延迟度量指示与所述第三链路相关联的第二时间延迟。 该方法还包括处理第一延迟度量和第二延迟度量以确定第三延迟度量并且基于第三延迟度量来定时在第三链路上的接入节点和无线通信设备之间的第三通信。
    • 9. 发明申请
    • Method and System of Determining Whether a Mobile Station is Located Inside a Coverage Area of a Narrowband Repeater and Using the Determination in a Handover Procedure
    • 确定移动台是否位于窄带中继器的覆盖区域内并使用切换过程中的确定的方法和系统
    • US20110250886A1
    • 2011-10-13
    • US12759195
    • 2010-04-13
    • Sungki ParkSaied Kazeminejad
    • Sungki ParkSaied Kazeminejad
    • H04W36/06H04W64/00
    • H04W36/30H04B7/2606H04W84/047
    • A method and system of determining whether a mobile station is located inside (or moving into) a repeater's coverage area and using the determination in a handover procedure. An access network may receive from a mobile station communicating on a first wireless link an indication of channel quality for the first wireless link and a second wireless link that serve the same coverage area. The access network may then use the channel quality indicators to determine whether the mobile station is located inside (or moving into) a repeater's coverage area, such as by comparing the channel quality indicators. If the access network determines that the mobile station is located inside (or moving into) the repeater's coverage area, it may also initiate a handover of the communication with the mobile station to the repeated wireless link (e.g., which may include suspending application of a load threshold to the repeated wireless link).
    • 一种确定移动站是否位于中继器的覆盖区域内(或移动到)中并在切换过程中使用该确定的方法和系统。 接入网络可以从在第一无线链路上通信的移动台接收第一无线链路的信道质量的指示和服务于相同覆盖区域的第二无线链路。 然后,接入网络可以使用信道质量指示符来确定移动站是否位于中继器的覆盖区域的内部(或者移入)中,例如通过比较信道质量指示符。 如果接入网络确定移动站位于中继器的覆盖区域内(或移入)中,则还可以发起与移动站的通信到重复的无线链路的切换(例如,其可以包括暂停应用 负载阈值到重复的无线链路)。
    • 10. 发明申请
    • LOAD BALANCING MULTIPLE AMONG MULTIPLE CARRIERS IN A SECTOR
    • 负载平衡多个行业中的多个运营商
    • US20100232390A1
    • 2010-09-16
    • US12403542
    • 2009-03-13
    • Subir VarmaSaied Kazeminejad
    • Subir VarmaSaied Kazeminejad
    • H04W28/08H04W36/00
    • H04W72/0486
    • A method of operating a communication system is disclosed. A first set of wireless devices is communicated with using a first frequency range. A second set of wireless devices is communicated with using a second frequency range. A first air-interface utilization associated with the first frequency range is determined. The first air-interface utilization is determined to satisfy a criteria. A second air-interface utilization associated with the second frequency range is determined. A subset of the first set of wireless devices is selected. The subset is selected to have a total air interface utilization that exceeds one-half of the difference between the first air-interface utilization and the second air-interface utilization. The subset of wireless devices is controlled to use the second frequency range.
    • 公开了一种操作通信系统的方法。 使用第一频率范围来传送第一组无线设备。 使用第二频率范围来传送第二组无线设备。 确定与第一频率范围相关联的第一空中接口利用。 确定第一空中接口利用率以满足标准。 确定与第二频率范围相关联的第二空中接口利用。 选择第一组无线设备的子集。 该子集被选择为具有超过第一空中接口利用率和第二空中接口利用率之差差的一半的总空中接口利用率。 控制无线设备的子集以使用第二频率范围。