Results 171 to 180 of about 292,109 (182)

Turbo code performance as a function of code block size

Proceedings. 1998 IEEE International Symposium on Information Theory (Cat. No.98CH36252), 1998
We show that a single family of turbo codes is "nearly perfect" with respect to Shannon's (1959) sphere-packing bound, over a wide range of code rates and block sizes. We also assess the "imperfectness" of various non-turbo codes for comparison,.
S. Dolinar, D. Divsalar, F. Pollara
semanticscholar   +1 more source

Design, Simulation, and Testing of a CMOS Analog Decoder for the Block Length-40 UMTS Turbo Code

IEEE Transactions on Communications, 2006
In this paper, we present an all-analog implementation of the rate-1/3, block length 40, universal mobile telecommunications system (UMTS) turbo decoder.
A. G. Amat, S. Benedetto, G. Montorsi, D. Vogrig, A. Neviani, A. Gerosa   +5 more
semanticscholar   +1 more source

Potential applications of low complexity non-binary high code rate block turbo codes

IEEE MILCOM 2004. Military Communications Conference, 2004., 2004
High code rate block turbo codes (BTC) using Bose-Chaudhuri-Hocquenghem (BCH) codes have already demonstrated near Shannon performances for quadrature phase-shift keying (QPSK) over additive white Gaussian noise (AWGN) channel. We show here that very low
R. Zhou, A. Picart, R. Pyndiah, A. Goalic   +3 more
semanticscholar   +1 more source

Improved Serially Concatenated Convolution Turbo Code (SCCTC) using chicken swarm optimization

IEEE Power, Communication and Information Technology Conference, 2015
Error-control coding pattern is used in modern communication system to uplift the immunity of noisy communication channel by adding the redundant bits.
S. Banerjee, S. Chattopadhyay
semanticscholar   +1 more source

VLSI circuit complexity and decoding performance analysis for low-power RSC turbo-code and iterative block decoders design

IEEE Military Communications Conference. Proceedings. MILCOM 98 (Cat. No.98CH36201), 1998
A VLSI circuit complexity analysis for low-power decoder designs is presented. Two low-complexity adaptive decoder architectures incorporating the recursive systematic codes (turbo-codes) and block-codes are considered in this paper.
S. Hong, W. Stark
semanticscholar   +1 more source

An implementation method of a turbo-code decoder using a block-wise MAP algorithm

Vehicular Technology Conference Fall 2000. IEEE VTS Fall VTC2000. 52nd Vehicular Technology Conference (Cat. No.00CH37152), 2000
The several implementation methods of the MAP decoder are proposed. By using the novel time-shared process of a pipe-lined structure, the restriction of recursion process on the state metric can be efficiently conquered, and the complexity of the MAP ...
G. Park, Sukhyon Yoon, C. Kang, D. Hong
semanticscholar   +1 more source

Enhanced decoding for high-rate LTE Turbo-Codes with short block lengths

2017 IEEE International Conference on Communications Workshops (ICC Workshops), 2017
State-of-the-art LTE Turbo-Code decoder architectures support throughputs of several Gbps by employing parallelism on different architectural levels. However, a very high flexibility with respect to code block sizes and code rates must also be retained ...
Stefan Weithoffer, N. Wehn
semanticscholar   +1 more source

Utilization of 2-D Markov source correlation using block turbo codes

International Symposium on Turbo Codes and Iterative Information Processing, 2012
This paper proposes a joint source-channel coding technique using high rate block turbo codes where two-dimensional (2-D) source correlation of binary Markov source is well exploited.
M. Izhar, N. Fisal, Xiaobo Zhou, K. Anwar, T. Matsumoto   +4 more
semanticscholar   +1 more source

Turbo and convolutional codes assisted Space Time Block Code-Spatial Modulation

2012 International Conference on Future Communication Networks, 2012
Two coding techniques are adopted in this paper to improve the performance of Space Time Block Codes-Spatial Modulation (STBC-SM). The two adopted coding techniques are the turbo-coding technique and the convolutional-coding technique over block fading ...
A. G. Wadday, S. Alseyab, A. S. Abdallah
semanticscholar   +1 more source

A novel Asymmetric Turbo code using Cuckoo Search algorithm

IEEE India Conference, 2014
Utilization of error-correction coding scheme in contemporary communication system enhances sufficient redundancy which in turn increases the immunity to deal with the channel impairments.
S. Banerjee, S. Chattopadhyay
semanticscholar   +1 more source