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TCOM
2010
68views more  TCOM 2010»
15 years 5 months ago
Coded multipulse pulse-position modulation for free-space optical communications
—In this letter, we address two questions concerning the application of multipulse pulse-position modulation (MPPM) for free-space optical (FSO) communications: (1) under what co...
Trung Thanh Nguyen, Lutz H.-J. Lampe
GLOBECOM
2007
IEEE
16 years 1 months ago
A Link-Layer Channel Model for IEEE 802.11 Ad Hoc Networks
— This paper presents a novel stochastic link-layer channel model for IEEE 802.11 ad hoc networks. The model characterizes the variations of the channel service process in a non-...
Atef Abdrabou, Weihua Zhuang
ICA
2010
Springer
15 years 7 months ago
An Alternating Minimization Method for Sparse Channel Estimation
The problem of estimating a sparse channel, i.e. a channel with a few non-zero taps, appears in many fields of communication including acoustic underwater or wireless transmissions...
Rad Niazadeh, Massoud Babaie-Zadeh, Christian Jutt...
PIMRC
2008
IEEE
16 years 1 months ago
Opportunistic interference alignment in MIMO interference channels
Abstract—We present two interference alignment techniques such that an opportunistic point-to-point multiple input multiple output (MIMO) link can reuse, without generating any a...
Samir Medina Perlaza, Mérouane Debbah, Sams...
ICC
2007
IEEE
120views Communications» more  ICC 2007»
16 years 1 months ago
Joint Power and Constellation Size Adaptation for Mobile Multicast Employing MQAM Over Wireless Fading Channels
Abstract— We propose a power and constellation-size adaptation scheme for the multicast system employing multilevel quadrature amplitude modulation (MQAM) with discrete constella...
Qinghe Du, Xi Zhang