摘要:
Repetitive transmissions in multi-carrier based wireless access techniques may be achieved by providing multiple cyclic delay values for a plurality of carriers, performing a cyclic delay procedure using the multiple cyclic delay values according to the number of repetitive transmission of data symbols to be transmitted to a receiver, and transmitting the cyclic delayed data symbols to the receiver using the plurality of carriers.
摘要:
A phase-shift based pre-coding scheme used in a transmitting side and a receiving side that has less complexity than those of a space-time coding scheme, that can support various spatial multiplexing rates while maintaining the advantages of the phase-shift diversity scheme, that has less channel sensitivity than that of the pre-coding scheme, and that only requires a low capacity codebook is provided.