8 search results - page 1 / 2 » Power-efficient wireless OFDMA using limited-rate feedback |
ICC
2007
IEEE
13 years 11 months ago
2007
IEEE
ICC
2009
IEEE
13 years 2 months ago
2009
IEEE
In this paper, we study the possibility of throughput improvement through precoding in OFDMA based wireless systems with limited channel feedback. Precoding can increase the overal...
TWC
2008
13 years 4 months ago
2008
Emerging applications involving low-cost wireless sensor networks motivate well optimization of multi-user orthogonal frequency-division multiple access (OFDMA) in the power-limite...
VTC
2008
IEEE
13 years 11 months ago
2008
IEEE
—OFDM is an attractive solution for the design of future wireless communications due to its robustness to dispersion in multipath environments. Additional diversity gains can be ...
IWCMC
2009
ACM
13 years 11 months ago
2009
ACM
In wireless communication systems, adaptive modulation and coding (AMC) is used to improve the downlink (DL) spectral efficiency by exploiting the underlying channel condition. Ho...