Title :
A frequency diversity scheme for OFDM systems based on space-time block coding
Author :
Hu, FengYe ; Wang, Shuxun ; Sun, XiaoYing
Author_Institution :
Inst. of Commun. Eng., Jilin Univ., Changchun, China
Abstract :
In this paper, a frequency diversity scheme for space-time block coded orthogonal frequency division multiplexing (STBC-OFDM) systems is investigated. The scheme can simultaneously obtain frequency diversity and space diversity gain. Extensive simulations show that the proposed scheme with two transmit antennas and a single receive antenna almost has the same performance as STBC-OFDM systems with four transmit antennas and a single receive antenna. Under the same symbol error rate (SER) performance, the number of transmit antenna is not required to be increased because of using frequency diversity.
Keywords :
OFDM modulation; block codes; diversity reception; error statistics; receiving antennas; space-time codes; transmitting antennas; OFDM systems; STBC; frequency diversity scheme; orthogonal frequency division multiplexing; receiving antennas; space diversity gain; space-time block coding; symbol error rate; transmitting antennas; Block codes; Decoding; Diversity methods; Fading; Frequency diversity; Intersymbol interference; OFDM; Receiving antennas; Transmitting antennas; Wireless communication;
Conference_Titel :
Neural Networks and Signal Processing, 2003. Proceedings of the 2003 International Conference on
Conference_Location :
Nanjing
Print_ISBN :
0-7803-7702-8
DOI :
10.1109/ICNNSP.2003.1279317
