Results 1 to 10 of about 2,731,887 (320)

A Suboptimal Receiver with Turbo Block Coding for Ultra-Wideband Communications [PDF]

open access: yes, 2005
In this paper, the performance of adaptive equalization and turbo product coding is investigated for pulse-based UWB communications in short-range indoor environments.
Aquino, Sim   +2 more
core   +1 more source

Turbo Detection of Symbol-Based Non-Binary LDPC-Coded Space-time Signals using Sphere Packing Modulation

open access: yes, 2005
A recently proposed space-time signal construction method that combines orthogonal design with sphere packing, referred to here as (STBC-SP), has shown useful performance improvements over Alamouti’s conventional orthogonal design.
Alamri, O.R.   +3 more
core  

Turbocodes and their application in telecommunication systems [PDF]

open access: yes, 2008
Tato diplomová práce se zabývá problematikou Turbokódů. Tyto kódy patří do skupiny samoopravných kódů, někdy též nazývaných jako dopředné korekční kódy nebo kanálové kódy. Práci lze tématicky rozdělit na dvě základní části.
Trčka, Tomáš
core  

Turbo-Detected Unequal Protection MPEG-4 Audio Transceiver Using Convolutional Codes, Trellis Coded Modulation and Space-Time Trellis Coding

open access: yes, 2005
A jointly optimised turbo transceiver capable of providing unequal error protection is proposed for employment in an MPEG-4 aided audio transceiver. The transceiver advocated consists of Space-Time Trellis Coding (STTC), Trellis Coded Modulation (TCM ...
Hanzo, L., Ng, S.X., Othman, N.S.
core  

An Efficient SF-ISF Approach for the Slepian-Wolf Source Coding Problem

open access: yesEURASIP Journal on Advances in Signal Processing, 2005
A simple but powerful scheme exploiting the binning concept for asymmetric lossless distributed source coding is proposed. The novelty in the proposed scheme is the introduction of a syndrome former (SF) in the source encoder and an inverse syndrome ...
Tu Zhenyu   +2 more
doaj   +1 more source

Sensitivity analysis of the channel estimation deviation to the MAP decoding algorithm

open access: yesTongxin xuebao, 2006
As a necessary input parameter for MAP decoding algorithm,SNR was normally obtained from the channel estimation unit.Corresponding research indicated that SNR estimation deviation degraded significantly the performance of Turbo decoding.MAP decoding ...
WAN Ke, FAN Ping-zhi
doaj   +2 more sources

VLSI Design of a Turbo Decoder [PDF]

open access: yes
A very-large-scale-integrated-circuit (VLSI) turbo decoder has been designed to serve as a compact, high-throughput, low-power, lightweight decoder core of a receiver in a data-communication system.
Fang, Wai-Chi
core   +1 more source

Space-Time Turbo Coded Modulation: Design and Applications

open access: yesEURASIP Journal on Advances in Signal Processing, 2002
A design method for recursive space-time trellis codes and parallel-concatenated space-time turbo coded modulation is proposed that can be applied to an arbitrary existing space-time trellis code.
Tujkovic Djordje   +2 more
doaj   +1 more source

On the Error Statistics of Turbo Decoding for Hybrid Concatenated Codes Design

open access: yesJournal of Communications Software and Systems, 2019
In this paper we propose a model for the generation of error patterns at the output of a turbo decoder. One of the advantages of this model is that it can be used to generate the error sequence with little effort.
Fulvio Babich, Francesca Vatta
doaj  

On the Equivalence of Interleavers for Turbo Codes

open access: yesIEEE Wireless Communications Letters, 2015
Ronald Garzon Bohorquez   +2 more
semanticscholar   +1 more source

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