554 search results - page 2 / 111 » Approximability of OFDMA Scheduling |
ESA
2007
Springer
13 years 11 months ago
2007
Springer
We study the problem of scheduling transmissions on the downlink of IEEE 802.16/WiMAX systems that use the OFDMA technology. These transmissions are scheduled using a matrix whose...
ISCC
2006
IEEE
13 years 11 months ago
2006
IEEE
Currently, the OFDMA transmission scheme seems to be a promising candidate for future broadband radio systems. The crucial part which determines the performance is thereby the com...
PIMRC
2010
IEEE
13 years 3 months ago
2010
IEEE
In this paper, we propose an iterative SIC receiver architecture with pilot- and data-based channel estimation for efficient decoding of non-orthogonal superimposed signals. The no...
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 ...
GLOBECOM
2009
IEEE
13 years 3 months ago
2009
IEEE
Maintaining fairness using weighting factors is a common approach in resource allocation. However, computing weighting factors for multiservice wireless networks is not trivial bec...