| 摘要 |
PROBLEM TO BE SOLVED: To obtain the multi-user diversity effect. SOLUTION: A transmitter employing an OFDM system includes a phase rotating portion which gives a same phase rotation amount to each group configured with a plurality of consecutive subcarriers modulated by a data symbol or a known symbol; a rotation amount determining portion which sets a phase rotation for each antenna set or each transmitter. The transmitter is characterized in that a plurality of groups are assigned to one receiver. COPYRIGHT: (C)2009,JPO&INPIT
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