Code Rate
IMPLEMENTATION OF VITERBI DECODER WITH VARIABLE CODE RATE
... the code rate and the constraint length. The code rate, k/n, is expressed as a ratio of the number of bits into the Convolution encoder (k) to the number of channel symbols output by the ...
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Effect of code rate variation on performance of optical convolutionally coded IDMA using random and tree interleavers
... For code rate (1, 2) (1, 3) and (1,4) observation have been taken for random and tree interleavers ...error rate verses number of users for various code rates has been arranged in tubular form ...
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Capacity Enhancement of WiMAX System Using Adaptive Modulation and Code Rate
... convolution code rate are varied according to the variation in the communication ...and code rate is depend upon the SNR (signal to noise ratio) threshold ...
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High Speed Viterbi Decoder Design With A Rate Of 1/2 Convolution Code For Tcm Systems
... a rate-1/2 convolution code used in a TCM system shows that compared with the full trellis VD, with the constraint length ...a code rate (k/n) of ½, Implemented on ...
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Bag
... and code rate. Towards this, the cyclic code is one of important class of linear codes and researchers have been studying it for last six decades due to their successful applications in the theory of ...
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The Effect Of Convolution Code Structural Property To Reduce The Bit Error Rate In Underwater Acoustic Channel
... error rate compared to space communication due to the various factors like high attenuation, heavy multipath propagation and dependence of low frequency ...error rate control for an underwater ...the ...
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Performance Evaluation of Turbo Code System under Jamming Environment
... turbo code systems; analytical method and computer ...turbo code is evaluated under the effect of AWGN in presence and non- presence of noise jamming by computer ...computer code of turbo code ...
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Construction of Short-Length High-Rates LDPC Codes Using Difference Families
... LDPC code has constant number of ones in each column (column weight) and each row (row weight) in the parity-check matrix ...the code is irregular. Code rate r is equal to k/n, which means ...
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Performance Evaluation of OFDM based Wi Max Transceiver
... Simulation is carried to measure Bit Error Rate BER, Symbol error rate & to measure Number of data bits, coded bits in OFDM symbol by using different modulation & Code rate.. Pre impleme[r] ...
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Super-Orthogonal Space-Time Turbo Transmit Diversity for CDMA
... ective code rate (and hence a finite spreading ratio), the level of MAI, un- der additive white Gaussian noise (AWGN) and equal power conditions, is ...
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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 /N o increases , MSE ...
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Adaptive Power Saving Receiver for DVB H Exploiting Adaptive Modulation and Coding
... strongest code (i.e. lowest code rate) is proposed in the power saving AC scheme introduced in this ...higher code rates ...the code to a str- onger one, in case higher rate ...
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Performance Estimation of LDPC Code Suing Sum Product Algorithm and Bit Flipping Algorithm
... check code is a linear block code. This code approaches the Shannon’s limit and having low decoding ...Check) code with ½ code rate as an error correcting code in digital ...
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A Code-specific Conservative Model for the Failure Rate of Bit-flipping Decoding of LDPC Codes with Cryptographic Applications
... Failure Rate (DFR), which translates into a decryption failure rate for the corresponding code-based ...QC-MDPC code [10, ...underlying code that cannot be estimated via numerical ...
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Fingerprint template protection using minutia-pair spectral representations
... Each code yields a certain FAR (impostor string accidentally decoding cor- rectly) and FRR (genuine reconstruction string failing to decode correctly), and hence can be represented as a point in an ROC ...Polar ...
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A code-aided synchronization IP core for iterative channel decoders
... mated phase offset 8. The synchronization is done in two ˜ main steps. Initially, a (coarse) carrier synchronization is per- formed with the help of pilot symbols. Afterwards fine syn- chronization is done iteratively ...
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Reliable Wireless Communication for Medical Devices Using Turbo Convolution Code
... Wireless technology is now being used to bring significantly innovative products and services in the health- care sector, enabling new medical sensors, and treatment methods. In this paper, a new and improved com- ...
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Low Complexity Channel Estimation for OFDM and MC CDMA
... Our simulations were performed in the base-band frequency domain and the system configuration characterised in Table I is to a large extent similar to that in [6]. We assume having a total bandwidth of 800kHz. In the ...
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Vector Quantization of True-Color Images
... the sum the of Mathematically, dimensions the product code product: m c = A C {all vectors = j=1 For with if example, rate R/k k-dimensional The product the design is a code x2'-, scalar[r] ...
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The Comparison of <code>J2EE</code> and <code>.NET</code> for Enterprise Information Systems
... terms of programming language, platform independeny, omponent model, appliation server, market proof,.. openness, and Database onnetivity inluding the onnetivity to disparare data soures[r] ...
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