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» Belief Updating by Communication Channel
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GLOBECOM
2008
IEEE
14 years 1 months ago
Noise Thresholds for Discrete LDPC Decoding Mappings
— For decoding low-density parity-check (LDPC) codes on discrete memoryless channels, a method to quantize messages and to find message-passing decoding functions for the variab...
Brian M. Kurkoski, Kazuhiko Yamaguchi, Kingo Kobay...
MOBICOM
2010
ACM
13 years 7 months ago
Retransmission != repeat: simple retransmission permutation can resolve overlapping channel collisions
Collisions in overlapping channels are becoming an increasingly important problem in the deployment of high-speed wireless networks. In this paper, we present Remap, a simple, nov...
Erran L. Li, Kun Tan, Harish Viswanathan, Ying Xu,...
CNSR
2008
IEEE
126views Communications» more  CNSR 2008»
14 years 1 months ago
An Orthogonal Projection Approach for Blind Beamforming in Multipath CDMA Channels
In this paper, we propose a blind beamforming technique for multipath CDMA channels, which requires prior knowledge of only the spreading code and the timing of the desired user. ...
Jianshu Chen, Jian Wang, Pengyu Zhang, Jian Yuan, ...
VTC
2006
IEEE
14 years 1 months ago
Joint Frequency-Domain Differential Detection and Equalization for 2-Dimensional Spread/Chip-Interleaved DS-CDMA Uplink Transmis
—The multiple-access interference (MAI) limits the performance of the DS-CDMA uplink transmission. 2 dimensional (2D) spread/chip-interleaved DS-CDMA is an MAI-free system, where...
Le Liu, Fumiyuki Adachi
ICC
2008
IEEE
114views Communications» more  ICC 2008»
14 years 1 months ago
Iterative DA/DD Channel Estimation for KSP-OFDM
—In this paper, we propose an iterative joint DA/DD channel estimation algorithm for known symbol padding (KSP) OFDM. The pilot symbols used to estimate the channel are not only ...
Dieter Van Welden, Heidi Steendam, Marc Moeneclaey