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METHOD OF, AND APPARATUS FOR, PROCESSING LOW POWER PSEUDO-RANDOM CODE SEQUENCE SIGNALS
METHOD OF, AND APPARATUS FOR, PROCESSING LOW POWER PSEUDO-RANDOM CODE SEQUENCE SIGNALS
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机译:处理低功率伪随机码序列信号的方法和装置
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摘要
A communications system comprising a primary station (10) having transmitting and receiving means (12), means for formatting messages to be transmitted by the transmitting means, and one or more secondary stations (SS1, SS2), the or each secondary station having receiving means for receiving messages from the primary station and means for transmitting signals as pseudo-random code sequence signals, said receiving means in the primary station being adapted to receive and to simultaneously decode and detect the or each of the pseudo-random code sequence signals. The simultaneously decoding and detection comprises simultaneously multiplying digitised samples of a received pseudo-random code sequence with a predefined code sequence and implementing Fast Fourier Transform.
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