Title :
Comparison of coherent and differential space-time block codes over spatially correlated channels
Author :
Allen, Ben ; Kuroda, Y. ; Said, F. ; Aghvami, A.H.
Author_Institution :
Centre for Telecommun. Res., King´´s Coll., London, UK
Abstract :
This paper compares the performance of coherent, differential and differential unitary space-time block codes operating over spatially correlated Rayleigh fading channels with up to four transmit antennas, ft is shown that, when operating over spatially correlated channels, the relative performance of all candidate codes is improved when the number of transmit antennas is kept low. Improved performance is also observed when differential STBC are used compared to coherent STBC.
Keywords :
Rayleigh channels; antenna arrays; block codes; channel coding; correlation methods; space-time codes; transmitting antennas; Rayleigh fading channel; coherent space-time block codes; differential space-time block code; differential unitary space-time block codes; spatially correlated channel; transmit antennas; transmit diversity; Block codes; Decoding; Degradation; Educational institutions; Fading; Modulation coding; Performance gain; Receiving antennas; Space time codes; Transmitting antennas;
Journal_Title :
Consumer Electronics, IEEE Transactions on
DOI :
10.1109/TCE.2004.1362524
