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    • 6. 发明授权
    • Transmitting on the downlink using one or more weight vectors determined
to achieve a desired radiation pattern
    • 使用确定为实现期望的辐射图案的一个或多个权重向量在下行链路上发送
    • US6154661A
    • 2000-11-28
    • US988519
    • 1997-12-10
    • Marc H. Goldburg
    • Marc H. Goldburg
    • H01Q1/24H01Q3/26H04B7/06H04B7/10H04B7/26H04J15/00H04L27/12H04W16/28H04Q7/30
    • H04W16/28H01Q1/246H01Q3/26H04B7/0697
    • This invention relates to a method and apparatus for transmitting one or more downlink signals simultaneously over the same conventional channel from a communication station to one or more subscriber units to achieve a desired overall radiation pattern (e.g., a near omnidirectional pattern) over a desired sector, the communication station including an array of antenna elements, determining means for determining weight vectors designed for the transmitting through the array to achieve the desired overall radiation pattern over the desired sector, one or more signal processors for weighting the downlink signals in phase and amplitude according to the weight vectors and adding the weighted signals to form a set of weighted downlink antenna signals, each summed and weighted downlink antenna signal having an intended antenna element in the array, a set of associated transmit apparatuses for transmitting the set of weighted downlink antenna signals using the array, each associated transmit apparatus including an input for receiving one of the summed and weighted downlink antenna signals, each antenna element coupled to the output of one of the associated transmit apparatuses.
    • 本发明涉及一种用于在同一常规信道上从一个通信站同时传送一个或多个下行链路信号到一个或多个用户单元的方法和装置,以在期望的扇区上实现期望的总体辐射图(例如,接近全向模式) 所述通信站包括天线元件阵列;确定装置,用于确定设计用于通过所述阵列传输的权重向量,以在期望的扇区上实现期望的总体辐射图;一个或多个信号处理器,用于对相位和振幅的下行链路信号进行加权 根据权重向量并加上加权信号以形成一组加权的下行天线信号,每个相加和加权的下行天线信号在阵列中具有预期的天线元件,一组相关联的发射装置,用于发射该组加权下行天线 使用阵列的信号,每个相关的传输a 装置包括用于接收相加和加权的下行链路天线信号中的一个的输入,每个天线元件耦合到相关联的发射装置之一的输出。