| 摘要 |
OFDM-CDMA communication apparatus, wherein subcarriers with a low degree of signal multiplexing in which only pilot symbol 1 is inserted as a propagation path estimation preamble, are transmitted from a first antenna, while subcarriers with a low degree of signal multiplexing, in which pilot symbol 1 and pilot symbol 2 are inserted as a propagation path estimation preamble, are transmitted from a second antenna . |
