Sciweavers

ICASSP
2011
IEEE
12 years 8 months ago
Joint source-channel rate control for pixel-domain distributed video coding
We study the scenario of pixel-domain distributed video coding for noisy transmission environments and propose a method to allocate the available rate between source coding and ch...
Hu Chen, Eckehard G. Steinbach, Chang Wen Chen
TASLP
2002
65views more  TASLP 2002»
13 years 4 months ago
Low-bitrate distributed speech recognition for packet-based and wireless communication
In this paper, we present a framework for developing source coding, channel coding and decoding as well as erasure concealment techniques adapted for distributed (wireless or packe...
A. Bernard, Abeer Alwan
DATE
2004
IEEE
133views Hardware» more  DATE 2004»
13 years 8 months ago
Channel Decoder Architecture for 3G Mobile Wireless Terminals
Channel coding is a key element of any digital wireless communication system since it minimizes the effects of noise and interference on the transmitted signal. In thirdgeneration...
Friedbert Berens, Gerd Kreiselmaier, Norbert Wehn
GLOBECOM
2006
IEEE
13 years 10 months ago
Low-Complexity Turbo Equalization for Alamouti Space-Time Block Coded EDGE Systems
— Enhanced Data Rates for Global Evolution (EDGE) based systems are expected to facilitate the same services as third generation WCDMA systems. This goal is achieved through phys...
K. C. B. Wavegedara, Vijay K. Bhargava
SECON
2007
IEEE
13 years 10 months ago
OPERA: An Optimal Progressive Error Recovery Algorithm for Wireless Sensor Networks
—Wireless Sensor Networks (WSNs) require robustness against channel induced errors while retransmission based schemes prove too costly for energy constrained sensor nodes. Channe...
Saad B. Qaisar, Hayder Radha
ICC
2007
IEEE
115views Communications» more  ICC 2007»
13 years 10 months ago
Distortion Exponents for Different Source-Channel Diversity Achieving Schemes over Multi-Hop Channels
— The performance limits of multimedia systems combining source (multiple description) coding and channel coding with user cooperation diversity over multi-hop channels is studie...
Karim G. Seddik, Andres Kwasinski, K. J. Ray Liu
ICC
2007
IEEE
110views Communications» more  ICC 2007»
13 years 10 months ago
Joint Source and Channel Coding for Image Transmission over Time Varying Channels
—In this paper, the joint source and channel coding for progressive image transmission over channels with varying SNR is considered. Since the feedback of channel status informat...
Lei Cao
ICC
2009
IEEE
166views Communications» more  ICC 2009»
13 years 11 months ago
A Cross-Layer Perspective on Rateless Coding for Wireless Channels
Abstract—Rateless coding ensures reliability by providing everincreasing redundancy, traditionally at the packet level (i.e. the application layer) through erasure coding. This p...
Thomas A. Courtade, Richard D. Wesel
DCC
2010
IEEE
13 years 11 months ago
The Non-existence of Length-5 Perfect Slepian-Wolf Codes of Three Sources
—We consider Slepian-Wolf coding of multiple sources and extend the packing bound and the notion of perfect code from conventional channel coding to SW coding with more than two ...
Samuel Cheng, Rick Ma