| 摘要 |
<P>PROBLEM TO BE SOLVED: To extract blocked signals even when the whole receiving antennas are blocked in a receiver provided with a plurality of receiving antennas. <P>SOLUTION: A transmitter transmits a signal sequence to a plurality of users and is provided with a copying device 111 for copying a transmission sequence to a plurality of subcarriers for each user, a spreading device 121 for multiplying each signal sequence on the plurality of subcarriers by a spreading code inherent to each user, an adder 16 for superimposing the while subcarriers to the whole users, and a symbol delay circuit 14 for temporally reducing each signal sequence on the plurality of subcarriers and adding the delayed signal sequence to the original signal sequence to thereby generate a transmission signal. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
