Title
Investigation Of Stbc And Tstd Transmitter Diversity Effect Using Chase Combining In Spread Ofdm Broadband Packet Wireless Access
Abstract
This letter investigates the effects of the Space-Time Block Code (STBC) transmitter diversity and Time Switched Transmitter Diversity (TSTD) schemes while simultaneously considering the time diversity effect derived from Chase combining and the frequency diversity effect for downlink Spread OFDM packet wireless access in a broadband multipath fading channel. The simulation results show that when pilot channel based channel estimation is performed, TSTD improves the required average received signal energy per symbol-to-noise power spectrum density ratio by approximately 1.0 and 0.5 dB compared to one-branch transmission, without and with antenna diversity reception, respectively, while the benefit of STBC is small due to channel estimation error, when the maximum number of retransmissions in Chase combining is three in a 12-path Rayleigh fading channel with the root mean squared delay spread of 0.3 psec and the maximum Doppler frequency of 20 Hz.
Year
DOI
Venue
2006
10.1093/ietcom/e89-b.5.1700
IEICE TRANSACTIONS ON COMMUNICATIONS
Keywords
Field
DocType
spread OFDM, STBC, TSTD, chase combining
Time diversity,Multipath propagation,Diversity scheme,Antenna diversity,Rayleigh fading,Telecommunications,Computer science,Delay spread,Computer network,Electronic engineering,Space–time block code,Orthogonal frequency-division multiplexing
Journal
Volume
Issue
ISSN
E89B
5
0916-8516
Citations 
PageRank 
References 
1
0.37
0
Authors
3
Name
Order
Citations
PageRank
Kwanwoong Ryu163.14
Yoshihisa Kishiyama21185140.34
Yong Wan Park3121.69