1/3 rate convolutional code
Reduction of Signal Power Consumption in a Digital Communication using Convolutional Code
... for rate 1/2 codes is given below ...Now convolutional encoding is performed for code rate 1/2 and constraint length ...of 3 bits were taken and for each combination BER ...
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Comparison Study between 1/2 Rate And 2/3 Rate Convolutional Encoder with Viterbi Decoder
... repetition code, but based on this project, we shall deal exhaustively with a kind of encoding method known as convolutional encoding in which we shall incorporate Viterbi decoders for next generation BWA ...
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High-rate systematic recursive convolutional encoders: minimal trellis and code search
... 3.2 Minimal trellis for systematic recursive encoders Originally, minimal trellises have been constructed for codes, not for matrices (or encoders). However, the con- vention that the upper branches refer to the ...
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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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Effect of code rate variation on performance of optical convolutionally coded IDMA using random and tree interleavers
... of convolutional encoder Figure-4 which is low rate (1,2) encoder having two memory element shift register and two adders are taken which makes constraint length ...is 3[5,7] which is taken from ...
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Reliable Wireless Communication for Medical Devices Using Turbo Convolution Code
... Systematic Convolutional (RSC) codes, which are parallelly concatenated [1] through a random ...of rate-1/2 and termed as component ...Systematic Convolutional (CRSC) elementary codes ...
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Hybrid ARQ type I based on convolutional code
... = 3 and K = 4) have been ...both code rate of 1/2 and code rate ...Table 3, Table 4 and Table ...5, code rate 1/3 gives the lower bit- error ...
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Performance Enhancement of MC CDMA System through Turbo Block Codes
... spreading code sharing M’ary PSK multi-carrier CDMA (SCS-MPSK-MCCDMA) system [3], a modified PTS scheme for uplink communications [4], optimum fixed subcarrier scrambling [5], cyclic shifted scramble ...
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Learning temporal information from spatial information using capsnets for human action recognition
... by the capsules, we graphically depict what the ActionCaps encode for the KTH dataset in terms of the space of varia- tions in the way an action is instantiated. To this end, we pass the encoding of only one ActionCap to ...
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Optimized MSE Analysis of Maximum Power Adaptation with Code Rates over Wireless Cropped Image Transmission using Labview
... Appadwedula et al. [2] formulated an energy optimization problem subject to statistical distortion and rate constraints for transmitting cropped images over wireless channels. Considering transmission, source, and ...
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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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Interleaved Convolutional Code and Its Viterbi Decoder Architecture
... We propose an area-efficient high-speed interleaved Viterbi decoder architecture, which is based on the state-parallel architecture with register exchange path memory structure, for interleaved convolutional ...
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Power Aware Wireless Communication System Design for Body Area Networks
... As the advent of miniaturized sensors and actuators for monitoring, diagnostic and therapeutic, Body Area Net- works (BANs) which operates in close vicinity to, on, or inside a human body has emerged as a key technology ...
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Digital Image Watermarking Based on Mixed Error Correcting Code
... The rapid expansion of the Internet and overall develop- ment of digital technologies in the past years introduces a new set of challenging problems regarding security. One of the significant problems is to prevent ...
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High Speed Viterbi Decoder Design With A Rate Of 1/2 Convolution Code For Tcm Systems
... clusters. The states can be grouped into m clusters, where all the clusters have the same number of states and all the states in the same cluster will be extended by the same BMs, The min(BMs) for each cluster can be ...
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Layered Steered Space Time Codes Using Iterative Detection
... Whilst V-BLAST was designed for maximising the achiev- able multiplexing gain, Alamouti [5] discovered a witty trans- mit diversity scheme, referred to as a space-time block code (STBC), which was designed for a ...
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Design and implementation of forward error correction in fpga and verfication
... A MATLAB program is written for K= 7 which has seven bit memory registers. The operation is similar to the pervious section up to loop and shifting. XOR operation is not possible for 7 bits at a time, so that operation ...
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Hybrid Concatenated Convolutional Code for Deep Space Mission
... trellis code (SOSTTC) applying iterative decoding for flat fading ...of convolutional codes, interleaving and super-orthogonal space-time trellis ...concatenated convolutional code with a ...
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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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A}rea Efficient Turbo Encoder for Wireless Applications on {FPGA
... states), code rate, block length (information data) and number of iteration ...turbo code with a reduced number of states causes the deterioration of transmission qualitycompared to the UMTS standard ...
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