会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 1. 发明申请
    • Communication Systems
    • 通讯系统
    • US20080043712A1
    • 2008-02-21
    • US11840669
    • 2007-08-17
    • Michael John HartYuefeng ZhouDorin ViorelChenxi ZhuMichiharu NakamuraMasahiro WatanabeHiroshi FujitaMakoto Yoshida
    • Michael John HartYuefeng ZhouDorin ViorelChenxi ZhuMichiharu NakamuraMasahiro WatanabeHiroshi FujitaMakoto Yoshida
    • H04B7/212
    • H04W28/16H04B7/15507H04B7/2606H04L5/0007H04L5/0032H04L5/0048H04L25/0226H04L27/2655H04L27/2692H04W48/08H04W84/047
    • A transmission method for use in a multi-hop wireless communication system is provided. The system includes a source apparatus, a destination apparatus and one or more intermediate apparatuses. The system has access to at least one predetermined transmission introduction sequence and also has access to a time-frequency format for use in assigning available transmission frequency bandwidth during a discrete transmission interval, said format defining a plurality of transmission windows within such an interval. Each window occupies a different part of that interval and has a frequency bandwidth profile within said available transmission frequency bandwidth over its part of that interval. Each said window being assignable for such a transmission interval to at least one of said apparatuses for use in transmission. The method includes, when transmitting a message with a preamble in a particular transmission interval, transmitting the preamble in a first transmission window of that transmission interval. Furthermore, the method includes transmitting the transmission introduction sequence in a second transmission window of that transmission interval other than the first transmission window preferably as control information for use by at least one said intermediate apparatus or the destination apparatus.
    • 提供了一种用于多跳无线通信系统的传输方法。 该系统包括源设备,目的地设备和一个或多个中间设备。 该系统可以访问至少一个预定的传输介绍序列,并且还可以访问用于在离散传输间隔期间分配可用传输频率带宽的时间 - 频率格式,所述格式在这样的间隔内定义多个传输窗口。 每个窗口占据该间隔的不同部分,并且在该间隔的部分内在所述可用传输频率带宽内具有频带配置。 每个所述窗口可分配给用于传输的所述设备中的至少一个的这种传输间隔。 该方法包括:在特定发送间隔中发送具有前导码的消息时,在该发送间隔的第一发送窗口中发送前导码。 此外,该方法包括:在第一传输窗口之外的传输间隔的第二传输窗口中优选地传输传输介绍序列作为至少一个所述中间设备或目的设备使用的控制信息。
    • 2. 发明申请
    • Communication Systems
    • 通讯系统
    • US20080043815A1
    • 2008-02-21
    • US11840546
    • 2007-08-17
    • Michael John HartYuefeng Zhou
    • Michael John HartYuefeng Zhou
    • H04B1/713
    • H04W28/06H04B7/155H04B7/2606H04W16/26H04W40/02H04W72/0453H04W88/04
    • A transmission method for use in a multi-hop wireless communication system is provided. Furthermore, the system has access to a time-frequency format for use in assigning available transmission frequency bandwidth during a discrete transmission interval. The format defines a plurality of transmission windows within such an interval, where each window occupies a different part of that interval and has a frequency bandwidth profile within the available transmission frequency bandwidth over its part of that interval. Furthermore, each window being assignable for such a transmission interval to one of said apparatuses for use in transmission. The transmission method for use in this system includes employing said format for one or more such transmission intervals to transmit data and control information together along at least two consecutive said links as a set of successive transmission signals, link by link. Each said signal is transmitted in an available transmission window of said interval(s) and at least two of said signals are transmitted during the same said transmission interval such that said information is transmitted along said consecutive links in fewer transmission intervals than said number of consecutive links.
    • 提供了一种用于多跳无线通信系统的传输方法。 此外,该系统可以访问时间频率格式,用于在离散的传输间隔期间分配可用的传输频率带宽。 该格式在这样的间隔内定义了多个传输窗口,其中每个窗口占据该间隔的不同部分,并且在该间隔的部分上具有在可用传输频率带宽内的频带宽度分布。 此外,每个窗口可被分配用于这种传输间隔到用于传输的所述设备之一。 在该系统中使用的传输方法包括采用所述格式用于一个或多个这样的传输间隔,沿着至少两个连续的所述链路一起发送数据和控制信息作为一组连续传输信号,通过链路链接。 每个所述信号在所述间隔的可用传输窗口中发送,并且在相同的所述传输间隔期间传输所述信号中的至少两个,使得所述信息沿着所述连续链路以比所述连续数目的更少的传输间隔发送 链接。
    • 3. 发明申请
    • Communication Systems
    • 通讯系统
    • US20080043710A1
    • 2008-02-21
    • US11840595
    • 2007-08-17
    • Yuefeng ZhouMichael John HartSunil Vadgama
    • Yuefeng ZhouMichael John HartSunil Vadgama
    • H04B7/212
    • H04W16/26H04B7/15507H04B7/2606
    • A transmission method for use in a multi-hop wireless communication system is provided. The method includes, for two apparatuses having overlapping transmission coverage areas, one of the two said apparatuses being an intermediate apparatus, transmitting a first transmission signal from a first one of those apparatuses in a first transmission window of a particular transmission interval and transmitting a second transmission signal from the second one of those apparatuses in a second transmission window of the particular transmission interval but not in said first transmission window, so that a communication apparatus located in the coverage areas of both the first and second apparatuses can receive said first transmission signal substantially without interference from said second transmission signal.
    • 提供了一种用于多跳无线通信系统的传输方法。 该方法包括对于具有重叠的传输覆盖区域的两个设备,两个所述设备之一是中间设备,在特定传输间隔的第一传输窗口中从这些设备中的第一个传输第一传输信号,并发送第二传输信号 在特定传输间隔的第二传输窗口中的第二传输窗口中的第二传输信号,而不在所述第一传输窗口中的传输信号,使得位于第一和第二设备的覆盖区域中的通信设备可以接收所述第一传输信号 基本上没有来自所述第二传输信号的干扰。
    • 4. 发明申请
    • Communication Systems
    • 通讯系统
    • US20080045238A1
    • 2008-02-21
    • US11840518
    • 2007-08-17
    • Yuefeng ZhouMichael John HartSunil Vadgama
    • Yuefeng ZhouMichael John HartSunil Vadgama
    • H04Q7/20
    • H04L5/143H04L5/0007H04L25/022H04L25/0222H04L25/0228H04L27/2602H04W24/00H04W28/18H04W48/16
    • A wireless transmission method for use in a wireless communication system is provided. The system includes at least two communication apparatuses which may experience relative movement therebetween. One such communication apparatus is a source apparatus that is operable to transmit information to the destination apparatus, which is the other communication apparatus. The wireless transmission method includes, at two or more time instants, obtaining a measure of channel characteristics between the source apparatus and the destination apparatus. Furthermore, the method includes calculating a correlation factor between the at least two time-consecutive measures over time, and employing the correlation factor or a value derived therefrom as an estimate of relative movement between the source apparatus and the destination apparatus in determining a transmission parameter. Moreover, the method includes transmitting a transmission signal from the source apparatus to the destination apparatus using the determined parameter.
    • 提供了一种在无线通信系统中使用的无线传输方法。 该系统包括可以经历它们之间的相对运动的至少两个通信设备。 一种这样的通信装置是可操作以将信息发送到作为另一通信装置的目的地装置的源装置。 无线传输方法在两个或多个时刻包括在源设备和目的设备之间获得信道特性的度量。 此外,该方法包括计算随时间的至少两个时间连续测量之间的相关因子,并且在确定传输参数时采用相关因子或其导出的值作为源设备和目的地设备之间的相对移动的估计 。 此外,该方法包括使用确定的参数从源设备向目的地设备发送传输信号。
    • 5. 发明申请
    • Communication Systems
    • 通讯系统
    • US20080043816A1
    • 2008-02-21
    • US11840570
    • 2007-08-17
    • Michael John HartYuefeng Zhou
    • Michael John HartYuefeng Zhou
    • H04B1/713
    • H04L12/66H04B7/15592H04B7/2606H04L5/0007H04L5/0023H04L5/0037H04W84/047
    • A transmission method for use in a two-hop wireless communication system is provided. The system includes a source apparatus, a destination apparatus and an intermediate apparatus. The source apparatus is operable to transmit information along two links forming a communication path extending from the source apparatus to the destination apparatus via the intermediate apparatus. The intermediate apparatus is operable to receive information from the source apparatus and to transmit the received information to the destination apparatus. The system has access to a time-frequency format for use in assigning available transmission frequency bandwidth during a discrete transmission interval, said format defining a plurality of transmission windows within such an interval. Each window occupies a different part of that interval and has a frequency bandwidth profile within said available transmission frequency bandwidth over its part of that interval. Furthermore, each said window is assignable for such a transmission interval to said source or intermediate apparatus for use in transmission. The transmission method for use in this system includes employing said format to transmit information along the path as two successive transmission signals, link by link, said signals being transmitted using different transmission windows of a particular such transmission interval.
    • 提供了一种用于双跳无线通信系统的传输方法。 该系统包括源装置,目的地装置和中间装置。 源设备可操作以沿着形成从源设备经由中间设备到目的地设备的通信路径的两条链路发送信息。 中间设备可操作以从源设备接收信息并将接收到的信息发送到目的地设备。 该系统具有访问时间 - 频率格式,用于在离散传输间隔期间分配可用的传输频率带宽,所述格式在该间隔内定义多个传输窗口。 每个窗口占据该间隔的不同部分,并且在该间隔的部分内在所述可用传输频率带宽内具有频带配置。 此外,每个所述窗口可分配给用于传输的所述源或中间设备的这种传输间隔。 在该系统中使用的传输方法包括采用所述格式沿着路径发送信息作为两个连续的传输信号,通过链路链接,所述信号使用特定这样的传输间隔的不同的传输窗口传输。