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JSAC
2008
90views more  JSAC 2008»
13 years 4 months ago
Limited feedback schemes for downlink OFDMA based on sub-channel groups
Abstract--In a downlink Orthogonal Frequency Division Multiple Access (OFDMA) system, optimally allocating sub-channels across mobile users can require excessive feedback of channe...
Jieying Chen, Randall A. Berry, Michael L. Honig
ICC
2009
IEEE
130views Communications» more  ICC 2009»
13 years 2 months ago
User Profiling: A Method for Limited Feedback in OFDMA Systems
In the OFDMA downlink, obtaining Channel State Information (CSI) from users is necessary for the Base Station (BS) to optimize network performance by intelligently allocating resou...
Vinay R. Majjigi, Rajiv Agarwal, John M. Cioffi
VTC
2008
IEEE
162views Communications» more  VTC 2008»
13 years 11 months ago
A Selective Cluster Index Scheduling Method in OFDMA
—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 ...
Marios Nicolaou, Angela Doufexi, Simon Armour