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» RA Codes Achieve AWGN Channel Capacity
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TCOM
2008
155views more  TCOM 2008»
13 years 7 months ago
Construction of nonbinary cyclic, quasi-cyclic and regular LDPC codes: a finite geometry approach
This paper presents five methods for constructing nonbinary LDPC codes based on finite geometries. These methods result in five classes of nonbinary LDPC codes, one class of cyclic...
Lingqi Zeng, Lan Lan, Ying Yu Tai, Bo Zhou, Shu Li...
GLOBECOM
2009
IEEE
13 years 10 months ago
Near-Shannon-Limit Linear-Time-Encodable Nonbinary Irregular LDPC Codes
—In this paper, we present a novel method to construct nonbinary irregular LDPC codes whose parity check matrix has only column weights of 2 and t, where t ≥ 3. The constructed...
Jie Huang, Shengli Zhou, Peter Willett
GLOBECOM
2010
IEEE
13 years 5 months ago
An Exit-Chart Aided Design Procedure for Near-Capacity N-Component Parallel Concatenated Codes
1 Shannon's channel capacity specifies the upper bound on the amount of bits per channel use. In this paper, we explicitly demonstrate that twin-component turbo codes suffer f...
Hong Chen, Robert G. Maunder, Lajos Hanzo
ICIP
1998
IEEE
14 years 9 months ago
Image and Video Transmission over Wireless Channel: A Subband Modulation Approach
A new approach of reliable image and video transmission over noisy channel is proposed. The proposed subband modulation scheme combines source coding and channel modulation scheme...
Haitao Zheng, K. J. Ray Liu
CORR
2007
Springer
113views Education» more  CORR 2007»
13 years 7 months ago
On the Outage Capacity of a Practical Decoder Using Channel Estimation Accuracy
— The optimal decoder achieving the outage capacity under imperfect channel estimation is investigated. First, by searching into the family of nearest neighbor decoders, which ca...
Pablo Piantanida, Sajad Sadough, Pierre Duhamel