42 search results - page 6 / 9 » Optimal Precoder for Rate 1 Space-Time Block Codes |
TWC
2008
14 years 9 months ago
2008
Abstract--The closed-form exact bit error rate (BER) expressions of generalized orthogonal space-time block codes (OSTBCs) are first derived for quadrature amplitude modulation (QA...
ICC
2007
IEEE
15 years 3 months ago
2007
IEEE
Abstract— We consider the problem of designing space-timefrequency linear dispersion (LD) codes in wideband multipleinput multiple-output (MIMO) antenna systems employing orthogo...
VTC
2008
IEEE
15 years 4 months ago
2008
IEEE
—In this paper, we derive tight upper and lower bounds for the average sum rate of two-way amplify-andforward (AF) half-duplex relaying, which show that two-way AF half-duplex re...
GLOBECOM
2006
IEEE
15 years 3 months ago
2006
IEEE
— For the number of transmit antennas N = 2a the maximum rate (in complex symbols per channel use) of all the Quasi-Orthogonal Designs (QODs) reported in the literature is a 2aâˆ...
CORR
2008
Springer
14 years 9 months ago
2008
Springer
Abstract--Space-Time Block Codes from square complex orthogonal designs (SCOD) have been extensively studied and most of the existing SCODs contain large number of zero. The zeros ...