Patent ID: 8040975

Claim:
An apparatus for transmitting data to a channel comprising: a space-time encoder encoding a symbol group at a plurality of space areas and one or more time areas to output at every one time area, a plurality of encoded symbols that respectively correspond to the plurality of space areas; a plurality of delayer groups respectively corresponding to the plurality of space areas, wherein the each delayer group receives an encoded symbol of the space areas to which the each delayer group corresponds from the space-time encoder and cyclically delays the encoded symbol of the space areas with a plurality of delay-values to generate a plurality of delayed symbols wherein one space area corresponds to a plurality of delay-values; and a plurality of antenna groups respectively corresponding to the plurality of delayer groups, wherein the each antenna group includes a plurality of antennas and corresponds to one space area and a delayer group, and transmits the plurality of delayed symbols of the delayer group to the channel.