Sciweavers

19 search results - page 2 / 4
» Exchange of Limits: Why Iterative Decoding Works
Sort
View
GLOBECOM
2009
IEEE
14 years 7 days ago
Iteratively Detected Three-Stage Multi-Dimensional Sphere Packing Modulation Aided Multi-Functional MIMO
Abstract— This paper presents a novel multi-functional MultipleInput Multiple-Output (MIMO) scheme that combines the benefits of the Vertical Bell Labs Layered Space-Time (V-BLA...
Mohammed El-Hajjar, Osamah Alamri, Lajos Hanzo
ICC
2008
IEEE
125views Communications» more  ICC 2008»
13 years 12 months ago
Iteratively Detected Sphere Packing Modulated OFDM: An Exit Chart Perspective
- A novel iteratively detected Sphere Packing (SP) modulation aided Orthogonal Frequency Division Multiplexing (OFDM) scheme is proposed, which we refer to as the SPOFDM arrangemen...
Lei Xu, Mohammed El-Hajjar, Osamah Alamri, Sheng C...
CORR
2010
Springer
261views Education» more  CORR 2010»
13 years 2 months ago
Analysis of Quasi-Cyclic LDPC codes under ML decoding over the erasure channel
In this paper, we show that over the binary erasure channel, Quasi-Cyclic LDPC codes can efficiently accommodate the hybrid iterative/ML decoding. We demonstrate that the quasicycl...
Mathieu Cunche, Valentin Savin, Vincent Roca
CODES
2008
IEEE
13 years 7 months ago
Power reduction via macroblock prioritization for power aware H.264 video applications
As the importance of multimedia applications in hand-held devices increases, the computational strain and corresponding demand for energy in such devices continues to grow. Portab...
Michael A. Baker, Viswesh Parameswaran, Karam S. C...
ICC
2009
IEEE
107views Communications» more  ICC 2009»
14 years 7 days ago
EM-Based Maximum-Likelihood Sequence Detection for MIMO Optical Wireless Systems
—A major performance-limiting factor in terrestrial optical wireless (OW) systems is turbulence-induced fading. Exploiting the additional degrees of freedom in the spatial dimens...
Nestor D. Chatzidiamantis, Murat Uysal, Theodoros ...