rate-2/3 convolutional code
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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Comparison Study between 1/2 Rate And 2/3 Rate Convolutional Encoder with Viterbi Decoder
... of Convolutional Code (CC) is to make available an efficient and reliable error correcting capability over an impairment channel, in the presence of a physically implementable decoder, to complement the ...
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Reduction of Signal Power Consumption in a Digital Communication using Convolutional Code
... communication convolutional codes are one of the powerful, effective and widely used error correcting codes in many ...then convolutional encoding can be implemented and transmitted data obtained with high ...
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Performance Improvement of Coded OFDM Communication System in AWGN Channel
... punctured convolutional code with different ...punctured convolutional code with rate 2/3, the rate increases but the performance ...the rate approximately ...
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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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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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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 Enhancement of MC CDMA System through Turbo Block Codes
... LDPC code matrix without any structured or predefined connection ...desired rate and may have cycles of four. The resulting code will be then optimized by either post processing or by putting ...
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Iterative and Adaptive Processing for Multiuser Communication Systems
... In Figure 3.3, note that along the iterative trajectory there is a section which forms a narrow channel through which the trajectory progresses in small steps. This area is the interference limitation. An increase in the ...
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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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Hybrid Concatenated Convolutional Code for Deep Space Mission
... an additional interleaving gain that is proportional to the length of the interleaver while nonrecursive CCs cannot Therefore, RSCs are preferable in practice as the constituent code for a PCCC or the inner ...
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Power Aware Wireless Communication System Design for Body Area Networks
... given code. BCH codes and convolutional codes are widely used to protect transmitted data from channel noise, and are usu- ally used to correct burst errors and random errors, re- ...
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Layered Steered Space Time Codes Using Iterative Detection
... A high level block diagram of the proposed scheme is illustrated in Figure 1. The antenna architecture employed in Figure 1 has M = 4 transmit Antenna Arrays (AA) spaced sufficiently far apart in order to achieve ...
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In Arrears Interest Rate Derivatives under the 3/2 Model
... interest rate models including the Vasicek and CIR ...interest rate is above its long-run mean. Hence after a large interest rate rise, the interest rate can potentially quickly decrease, ...
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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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Learning temporal information from spatial information using capsnets for human action recognition
... In a more general framework, DNNs have been success- fully used for HAR [15], where 2D convolutions are key com- ponents to classify the action depicted in each frame [2]. The work in [16, 17] uses region-based ...
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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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Optimized MSE Analysis of Maximum Power Adaptation with Code Rates over Wireless Cropped Image Transmission using Labview
... Abstract – Coding plays significant role in wireless transmission as the most important scheme for communication of cropped images over wireless channels, due to its ability to deal with various channel qualities and to ...
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Abstract:- WSN demands low power and high speed data rate over network topology, Multi Band OFDM
... The Convolutional encoder is a strong encoding technic. Convolutional code is a type of error- correcting code in which each (n:m) m-bit information symbol (each m bit string) to be encoded is ...
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Implementation Of High Throughput And Area Efficient Hard Decision Viterbi Decoder Using Verilog Hdl
... architecture for viterbi decoder with T-algorithm which can effectively reduce the power consumption with a negligible decrease in speed. Implementation result is for code rate ½ with constraint length ...
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