Sciweavers

336 search results - page 9 / 68
» Source coding and channel requirements for unstable processe...
Sort
View
ICASSP
2011
IEEE
13 years 4 days ago
Analog joint source-channel Multiple Description coding scheme over AWGN parallel channels
We propose a low complexity analog joint source channel coding Multiple Description (MD) scheme for transmitting the symbols of a Gaussian source across a pair of independent AWGN...
Aitor Erdozain, Pedro M. Crespo, Baltasar Beferull...
ICIP
2001
IEEE
14 years 10 months ago
Joint source-channel coding for scalable video over DS-CDMA multipath fading channels
In this paper, we extend our previous work onjoint source-channel coding to scalablevideo transmissionover wireless direct-sequence code-division-multiple-access(DS-CDMA)multipath...
Lisimachos P. Kondi, Stella N. Batalama, Dimitrios...
ICASSP
2011
IEEE
13 years 4 days ago
Optimal power allocation and joint source-channel coding for wireless DS-CDMA visual sensor networks using the Nash Bargaining S
We consider the problem of resource allocation for a Direct Sequence Code Division Multiple Access (DS-CDMA) wireless visual sensor network (VSN). We use the Nash Bargaining Solut...
Katerina Pandremmenou, Lisimachos P. Kondi, Konsta...
ICASSP
2009
IEEE
14 years 3 months ago
Low bitrate audio coding using generalized adaptive gain shape vector quantization across channels
Audio coding at low bitrates suffers from artifacts due to spectrum truncation. Typical audio codecs code multi-channel sources using transforms across the channels to remove redu...
Sanjeev Mehrotra, Wei-Ge Chen, Kishore A. Kotteri
ICC
2008
IEEE
100views Communications» more  ICC 2008»
14 years 2 months ago
Power Scheduling for MIMO Relay Channels Employing Rateless Codes
—We propose a simple power scheduling algorithm for relay channels with multiple antennas. The algorithm combines seamlessly with a low complexity communication protocol that emp...
Youjian Liu, Mahesh K. Varanasi, Xinming Huang