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trellis coding/decoding

Decoding Schemes for FBMC with Single-Delay STTC

Decoding Schemes for FBMC with Single-Delay STTC

... practice, OQAM-based FBMC may provide a higher useful bit rate since it operates without the addition of a CP. Furthermore, with a pulse shaping that can be optimized according to given channel characteristics, its ...

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Turbo Detected Unequal Protection MPEG 4 Wireless Video Telephony using Multi Level Coding, Trellis Coded Modulation and Space Time Trellis Coding

Turbo Detected Unequal Protection MPEG 4 Wireless Video Telephony using Multi Level Coding, Trellis Coded Modulation and Space Time Trellis Coding

... EXIT charts [22] have been widely used for analysing the convergence behaviour of iterative decoding aided con- catenated coding schemes. A specific novelty of this paper is that we will employ the technique ...

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Reduced Complexity I/Q Turbo Detector for Convolutional Coding Assisted Space Time Trellis Coding

Reduced Complexity I/Q Turbo Detector for Convolutional Coding Assisted Space Time Trellis Coding

... Space-time Trellis Coding (STTC) [1] have been advocated for providing additional diversity gains as well as for overcoming the limited capacity offered by the hostile fad- ing wireless channels ...nel ...

5

Iterative decoding of JPEG coded images with channel coding

Iterative decoding of JPEG coded images with channel coding

... irregular trellis in compari- son to the trellis of a recursive systematic convolutional (RSC) ...The trellis of an RSC code has nice systematic ...systematic trellis of an RSC code, each ...

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Iteratively Decoded Irregular Variable Length Coding and Trellis Coded Modulation

Iteratively Decoded Irregular Variable Length Coding and Trellis Coded Modulation

... As described in Section 1, the SBIrVLC and BBIrVLC sche- mes may be constructed by employing a number of VLC code- books having different coding rates, each of which encodes an appropriately chosen fraction of the ...

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JOINT SOURCE CHANNEL CODING WITH SPACE TIME TRELLIS CODE MODULATION

JOINT SOURCE CHANNEL CODING WITH SPACE TIME TRELLIS CODE MODULATION

... (3) The Viterbi algorithm is used to compute the path with the lowest accumulated metric. The methods for decoding VLCs are quite different in concept and implementation. The SISO VLC decoder receives as input a ...

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Systematic Design of Space Time Trellis Codes for Diversity and Coding Advantages

Systematic Design of Space Time Trellis Codes for Diversity and Coding Advantages

... as a consequence of F (0 , 1) = 1. Finally, the function will re- sult in F (1 , 1) = 0, which is not the desired value 2. Therefore, this ST code cannot be put in a generator matrix form. The possibly large number of ...

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Iteratively Decoded Irregular Variable Length Coding and Trellis Coded Modulation

Iteratively Decoded Irregular Variable Length Coding and Trellis Coded Modulation

... Length Coding (IrVLC) scheme for near-capacity joint source and channel ...Length Coding (VLC) codebooks having different cod- ing rates for encoding particular fractions of the input source symbol ...

6

The combination of sparse learning and list decoding of subspace codes for error correction in random network coding

The combination of sparse learning and list decoding of subspace codes for error correction in random network coding

... network coding is intensively researched by a lot of ...the coding vectors of network coding satisfy the restricted isometry property (RIP) of the compressive ...

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Distributed Coding of Highly Correlated Image Sequences with Motion-Compensated Temporal Wavelets

Distributed Coding of Highly Correlated Image Sequences with Motion-Compensated Temporal Wavelets

... robust coding of visual content for a distributed multimedia ...distributed coding of video signals in the presence of correlated video side ...video coding with video side information at high rates ...

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Digital Video Encryption Algorithms Based on Correlation-Preserving Permutations

Digital Video Encryption Algorithms Based on Correlation-Preserving Permutations

... corresponds to the model from Figure 2 where encryption completely precedes video encoding. This is achieved by cre- ating “almost sorted” frames that are sent through open channel ChR. In spatial-only lossless video ...

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ANALYSIS AND REVIEW OF EFFICIENT DECODING ALGORITHMS FOR LOW DENSITY PARITY CHECK(LDPC) CODE

ANALYSIS AND REVIEW OF EFFICIENT DECODING ALGORITHMS FOR LOW DENSITY PARITY CHECK(LDPC) CODE

... Channel coding is very important to analysis of LDPC code. Channel coding refers to the class of signal transformations designed to improve communications performance by enabling the transmitted signals to ...

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Design and Implementation of Convolutional Encoder and Viterbi Decoder

Design and Implementation of Convolutional Encoder and Viterbi Decoder

... the decoding problem is a dynamic programming algorithm known as the Viterbi algorithm, also known as the Viterbi Decoder ...for decoding a bitstream that has been encoded using convolutional code or ...

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Generalized Punctured Convolutional Codes with Unequal Error Protection

Generalized Punctured Convolutional Codes with Unequal Error Protection

... minimal trellis complexity TC( M) in the search criterion several codes which are not listed in the literature can be ...available decoding complexity values are very large (the complexity doubles for each ...

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Title: DISTRIBUTED ENCODE MESSAGE TOWARDS MANET’S USING NETWORK CODING

Title: DISTRIBUTED ENCODE MESSAGE TOWARDS MANET’S USING NETWORK CODING

... To overcome the multicast connecting problem scaling laws will invoked in the Random linear network coding, it will considering the decoding loss and throughput loss of NC. The mobility model of the NC, ...

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Irregular Variable Length Coding

Irregular Variable Length Coding

... VLEC decoding. The sequential decoding of VLCs using trees was investigated in [52, 75] and the em- ployment of Bayesian networks was considered in ...aforementioned trellis representations, these ...

96

Joint source/channel iterative arithmetic decoding with JPEG 2000 image transmission application

Joint source/channel iterative arithmetic decoding with JPEG 2000 image transmission application

... Source/Channel coding and decoding, we consider the decoding problem of Arithmetic Codes ...arithmetic decoding and error correction ...arithmetic decoding algorithm based on Maximum A ...

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Non Orthogonal N MSK Modulation for Wireless Relay D2D Communication

Non Orthogonal N MSK Modulation for Wireless Relay D2D Communication

... There is also the necessity to extend the use of N-MSK codes to other modulation schemes than N-MSK constellations. In particular, the structure of a N-MSK encoder based on rings of integers modulo-4, which is suitable ...

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Single Carrier Frequency Domain Equalization with Space Time Trellis Codes

Single Carrier Frequency Domain Equalization with Space Time Trellis Codes

... The operation of having to decode the transmitted symbol in the time domain could explain the gain. The probability that the decoder would select an errone- ous signal was low due to the fact that equalization and the ...

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Nested turbo codes for the costa problem

Nested turbo codes for the costa problem

... At the decoder, the received signal Y = X + S + Z is first scaled by α, resulting in αY = u + (1 − α)( −X ) + αZ. Then the input symbols (of n bits each) to TTCM, i.e., the codewords of C 1 , are recovered from αY by an ...

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