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» Multiuser diversity in channels with limited scatterers
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VTC
2008
IEEE
162views Communications» more  VTC 2008»
14 years 1 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
ICASSP
2008
IEEE
14 years 1 months ago
Efficient channel quantization scheme for multi-user MIMO broadcast channels with RBD precoding
Abstract — Regularized block diagonalization (RBD) is a new linear precoding technique for the multi-antenna broadcast channel and has a significantly improved sum rate and dive...
Bin Song, Florian Roemer, Martin Haardt
JSAC
2007
111views more  JSAC 2007»
13 years 7 months ago
MIMO Broadcast Scheduling with Limited Feedback
Abstract— We consider multiuser scheduling with limited feedback of partial channel state information in MIMO broadcast channels. By using spatial multiplexing at the base statio...
Wei Zhang, Khaled Ben Letaief
JSAC
2008
106views more  JSAC 2008»
13 years 7 months ago
Enhanced multiuser random beamforming: dealing with the not so large number of users case
We consider the downlink of a wireless system with an M-antenna base station and K single-antenna users. A limited feedback-based scheduling and precoding scenario is considered th...
Marios Kountouris, David Gesbert, Thomas Sälz...
CORR
2008
Springer
124views Education» more  CORR 2008»
13 years 7 months ago
High Performance Cooperative Transmission Protocols Based on Multiuser Detection and Network Coding
Abstract--Cooperative transmission is an emerging communication technique that takes advantage of the broadcast nature of wireless channels. However, due to low spectral efficiency...
Zhu Han, Xin Zhang, H. Vincent Poor