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rate 1/M convolutional code

Performance of Parallel Concatenated Convolutional Codes (PCCC) with BPSK in Nakagami Multipath M-Fading Channel

Performance of Parallel Concatenated Convolutional Codes (PCCC) with BPSK in Nakagami Multipath M-Fading Channel

... factor m equal(1:3)The interleaver is considered to be 1000 bit random ...the code rate and frame length of input data on the BER performance of turbo-codes over an (AWGN) channel is shown in ...

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Comparison Study between 1/2 Rate And 2/3 Rate Convolutional Encoder with Viterbi Decoder

Comparison Study between 1/2 Rate And 2/3 Rate Convolutional Encoder with Viterbi Decoder

... b) Concatenated Codes: This was first introduced in 1965 by Forney in a bid to resolve a theoretical issue but they enjoyed a wide usage in the 1970’s for space communications. They are basically error-correcting codes ...

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FPGA Implementation of Baseband Modulation for Transceiver of 802.16e (Wi- (MAX)

FPGA Implementation of Baseband Modulation for Transceiver of 802.16e (Wi- (MAX)

... The convolutional encoded data contains redundant information which is used to implement forward error correction techniques which are now the most widely used in digital communication ...data rate, and ...

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High Speed Viterbi Decoder Design With A Rate Of 1/2 Convolution Code For Tcm Systems

High Speed Viterbi Decoder Design With A Rate Of 1/2 Convolution Code For Tcm Systems

... systems. Convolutional encoding with Viterbi decoding can be used as a Forward error correction technique and this approach provides good performance with low cost and is particularly suited to a channel in which ...

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Performance Improvement of Coded OFDM Communication System in AWGN Channel

Performance Improvement of Coded OFDM Communication System in AWGN Channel

... n code bits for each message bit and the code rate is 1/n [5] ...The convolutional decoder uses the viterbi algorithm that is optimal as it performs maximum likelihood ...

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Reduction of Signal Power Consumption in a Digital Communication using Convolutional Code

Reduction of Signal Power Consumption in a Digital Communication using Convolutional Code

... A list of good polynomials for rate 1/2 codes is given below table. For selection of good polynomial MATLAB simulation was used, a random sequence of binary bits of 1000 lengths is generated. Now ...

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Power Aware Wireless Communication System Design for Body Area Networks

Power Aware Wireless Communication System Design for Body Area Networks

... (Bose-Chaudhuri-Hochquenghem) code is employing, we propose a new coding solution using convolutional code operating with Bit Interleaver based on the properties of implant-to-body surface ...Error ...

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Performance Improvement in MIMO OFDM using BCH Coding and Interleaving

Performance Improvement in MIMO OFDM using BCH Coding and Interleaving

... error rate performance of Convolutional and BCH code in AWGN channel using DPSK, PSK and 16-QAM as modulation ...BCH code with constraint length ...

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1.
													Design and analysis of bch-rsc concatenated system with qpsk modulation technique in wireless communication

1. Design and analysis of bch-rsc concatenated system with qpsk modulation technique in wireless communication

... error rate (BER) performance is typically improved by choosing longer and more complex codes ...multiple convolutional codes was introduced [3], and was used with Soft Output Viterbi Algorithm ...

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PERFORMANCE EVALUATION OF WIMAX SYSTEM USING CONVOLUTIONAL PRODUCT CODE (CPC) A. Ebian, M. Shokair, and K. H. Awadalla

PERFORMANCE EVALUATION OF WIMAX SYSTEM USING CONVOLUTIONAL PRODUCT CODE (CPC) A. Ebian, M. Shokair, and K. H. Awadalla

... nonsystematic convolutional encoder instead of recursive systematic convolutional encoders is simplifying the termination of the encoder,as RSC contains a feedback and its termination will be more ...

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High-rate systematic recursive convolutional encoders: minimal trellis and code search

High-rate systematic recursive convolutional encoders: minimal trellis and code search

... encodes/generates C, i.e., is realizable by a linear sequen- tial circuit (called an encoder for C) [13]. Let G(0) denote the binary matrix obtained when substituting D with 0 in the matrix G(D). If G(0) is full-rank, ...

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Hybrid ARQ type I based on convolutional code

Hybrid ARQ type I based on convolutional code

... both code rate of 1/2 and code rate ...5, code rate 1/3 gives the lower bit- error rate compared to rate ...bit-error rate instead of K = ...

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Effect of code rate variation on 
		performance of optical convolutionally coded IDMA using random and tree 
		interleavers

Effect of code rate variation on performance of optical convolutionally coded IDMA using random and tree interleavers

... Spread spectrum technique possess key features such as good security, interference and fading avoiding capability, low probability of intercept, as well as multiple access capability which is major issues for modern era ...

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IMPLEMENTATION OF VITERBI DECODER WITH VARIABLE CODE RATE

IMPLEMENTATION OF VITERBI DECODER WITH VARIABLE CODE RATE

... The Convolutional encoder encodes the message and then the encoded bits are ...Convolution code. various type of decoders are used for decoding of Convolutional code but viterbi decoder is the ...

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Performance Enhancement of MC CDMA System through Turbo Block Codes

Performance Enhancement of MC CDMA System through Turbo Block Codes

... Coding techniques offers excellent performance on BER reduction owing to fact of increased coding gain [12]. By using efficient coding techniques with error correction capability and high coding gain, system performance ...

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Channel Encoding Security Via Puncturing and Pruning

Channel Encoding Security Via Puncturing and Pruning

... the code and thus increase the error probability experienced by an eaves dropper at a given ...error rate and word than the eaves dropper, which depends on puncturing and pruning ...

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Optimized MSE Analysis of Maximum Power Adaptation with Code Rates over Wireless Cropped Image Transmission using Labview

Optimized MSE Analysis of Maximum Power Adaptation with Code Rates over Wireless Cropped Image Transmission using Labview

... with Code Rate 1/2 compared with other code rates1/3, 1/4, 2/3, ...with code rate 1/3 and ¾ after code rate ...with code rate 2/3.As E b ...

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Iterative and Adaptive Processing for Multiuser Communication Systems

Iterative and Adaptive Processing for Multiuser Communication Systems

... For the multiple-access IDMA system developed in this chapter, the receiver embeds a NKF-based channel estimator/equalizer into the turbo multiuser detection framework. This approach will be shown to be considerably more ...

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Z80 H Floating Point FROUND pdf

Z80 H Floating Point FROUND pdf

... BMATHO OBJ CODE M STMT SOURCE STATEMENT... OBJ CODE M STMT SOURCE STATEMENT.[r] ...

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M-Polling with QR-Code Scanning and Verification

M-Polling with QR-Code Scanning and Verification

... The application has two stages which is pre-election and election. The pre-election stage has two modules that is History of TN elections and the Candidate list. Then election has one module which is vote casting that ...

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