Sciweavers

5355 search results - page 750 / 1071
» Modules
Sort
View
185
Voted
VTC
2008
IEEE
102views Communications» more  VTC 2008»
16 years 1 months ago
CQI Feedback Reduction Based on Spatial Correlation in OFDMA System
— In OFDMA systems, channel quality information (CQI) feedback is used to determine the modulation and coding level of a mobile station (MS). When the MS uses diversity, it trans...
Woongsup Lee, Dong-Ho Cho
VTC
2008
IEEE
127views Communications» more  VTC 2008»
16 years 1 months 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...
VTC
2008
IEEE
115views Communications» more  VTC 2008»
16 years 1 months ago
Graph-Based Turbo DeCodulation with LDPC Codes
—Turbo DeCodulation is the combination of iterative demodulation and iterative source-channel decoding in a multiple Turbo process. The receiver structures of bit-interleaved cod...
Birgit Schotsch, Laurent Schmalen, Peter Vary, Tho...
184
Voted
VTC
2008
IEEE
113views Communications» more  VTC 2008»
16 years 1 months ago
Non-Linear UWB Receivers with MLSE Post-Detection
— A wireless body area network with an average throughput of 500 kbps is considered based on ultra-wideband (UWB) pulse position modulation. For a long battery autonomy ultra low...
Florian Troesch, Thomas Zasowski, Armin Wittneben
210
Voted
WCNC
2008
IEEE
16 years 1 months ago
Decoding on Graphs: LDPC-Coded MISO Systems and Belief Propagation
— This paper proposes a new approach for decoding LDPC codes over MISO channels. Since in an nT × 1 MISO system with a modulation of alphabet size 2M, nT transmitted symbols are...
Amir H. Djahanshahi, Paul H. Siegel, Laurence B. M...