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Receiving apparatus in a radio communication system using at least three transmitter antennas
Receiving apparatus in a radio communication system using at least three transmitter antennas
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机译:使用至少三个发射机天线的无线电通信系统中的接收装置
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摘要
A receiver for receiving complex symbols in a radio communication system, in which a symbol arranger collects signals from at least three transmitter antennas through at least one receiver antenna over four time intervals; a channel estimator estimates at least three channel gains from the three transmitter antennas to the receiver antenna; first and second decoders each compute metrics for all possible pairs of symbols using the received signals and channel gains, and detect two symbols having a minimum metric; And a P/S (Parallel to Serial) converter arranges the detected symbols in the right order. Each decoder linearly operates the received signals and channel gains, pre-detects two symbols using threshold detection, and outputs the pre-detected symbols as final symbols if the product of the product of the pre-detected symbols and a constant determined by the channel gains is a minimum.
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机译:一种用于在无线电通信系统中接收复杂符号的接收机,其中,符号排列器在四个时间间隔内通过至少一个接收机天线从至少三个发射机天线收集信号;信道估计器估计从三个发射器天线到接收器天线的至少三个信道增益;第一和第二解码器各自使用接收到的信号和信道增益来计算所有可能的符号对的度量,并检测具有最小度量的两个符号; P / S(并行到串行)转换器以正确的顺序排列检测到的符号。每个解码器线性地操作接收到的信号和信道增益,使用阈值检测来预检测两个符号,并且如果预检测符号与信道增益确定的常数的乘积乘以预检测符号,则将其输出为最终符号是最低要求。
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