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VTC
2008
IEEE
127views Communications» more  VTC 2008»
14 years 18 hour ago
Convergence Analysis of Iteratively Detected Time Hopping and DS-CDMA Ultrawide Bandwidth Systems by EXIT Charts
— This paper presents a novel analysis on the decoding convergence of Time Hopping (TH) and Direct Sequence (DS) Code-Division Multiple-Access (CDMA) Ultrawide Bandwidth (UWB) sy...
Raja Ali Riaz, Mohammed El-Hajjar, Qasim Zeeshan A...
GLOBECOM
2009
IEEE
14 years 12 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
VTC
2010
IEEE
113views Communications» more  VTC 2010»
13 years 4 months ago
Multi-Level Turbo Decoding Assisted Soft Combining Aided Hybrid ARQ
—1 Hybrid Automatic Repeat reQuest (ARQ) plays an essential role in error control. Combining the incorrectly received packet replicas in hybrid ARQ has been shown to reduce the r...
Hong Chen, Robert G. Maunder, Lajos Hanzo
ICC
2008
IEEE
125views Communications» more  ICC 2008»
14 years 3 days 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...
VTC
2008
IEEE
142views Communications» more  VTC 2008»
14 years 18 hour ago
EXIT-Chart Aided Hybrid Multiuser Detector Design for Frequency-Domain-Spread Chip-Interleaved MC-CDMA
— With the advent of EXtrinsic Information Transfer (EXIT) charts, we are capable of analyzing, predicting and visually comparing the convergence behaviours of different turbo Mu...
Lei Xu, Rong Zhang, Sheng Chen, Lajos Hanzo