convolutional code
Hybrid ARQ type I based on convolutional code
... a convolutional code for packet transmission over wireless channels was ...and code rate (1/2 and 1/3) of convolutional codes on HARQ type I simulation scheme are ...
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Interleaved Convolutional Code and Its Viterbi Decoder Architecture
... tive Viterbi algorithm (AVA) outperforms interleaving strate- gies in the presence of very long bursts. However, when many short error bursts are present, AVA is inferior to interleav- ing scheme. An interleaved ...
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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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Exit Chart Aided Irregular Convolutional Code Design for Iterative Downlink SDMA Systems using Imperfect Channel State Information
... IrRegular Convolutional Code (IRCC) with the aid of EXIT chart analysis for creating an open EXIT tunnel between the inner decoder’s and outer decoder’s EXIT curve at a reduced E b /N 0 value and hence ...
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Algorithmic Approach for finding Convolutional Code generators for the Translation Initiation of Escherichia coli K-12.
... It is also known that leader regions of the messenger RNA (mRNA), and other prokaryotic regulatory regions contain consensus sequences which in some way sig- nal or control translation. Examples are Shine-Dalgarno (SD) ...
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Reduction of Signal Power Consumption in a Digital Communication using Convolutional Code
... correction code removes errors induced in communication and make possible error free ...system. Convolutional code corrects both type of errors random and burst and used in deep space and wireless ...
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Effect of code rate variation on performance of optical convolutionally coded IDMA using random and tree interleavers
... higher code rate, longer traffic intensity as well as superior interference rejection ...interleavers. Convolutional coding technique is used here for error correction ...purpose. Code rate has been ...
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Design and Implementation of Convolutional Encoder and Viterbi Decoder
... An efficient solution to the decoding problem is a dynamic programming algorithm known as the Viterbi algorithm, also known as the Viterbi Decoder (VD). A Viterbi decoder uses the Viterbi algorithm for decoding a ...
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A}rea Efficient Turbo Encoder for Wireless Applications on {FPGA
... In this paper the Parallel Concatenated Convolutional Code Encoder design is proposed. These codes are mostly preferred in wireless communication as they achieve the ultimate limits of the capacity of ...
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Implementation Of High Throughput And Area Efficient Hard Decision Viterbi Decoder Using Verilog Hdl
... rate-3/4 convolutional code used in a TCM system shows that compared with the full trellis VD, the precomputation architecture reduces the power consumption without performance loss, while the degradation ...
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Power Aware Wireless Communication System Design for Body Area Networks
... either code. For BCH code, BCH (31,19) code has better power efficiency and consumes less resources than BCH (63,51) ...to convolutional code, ...conv.(2,1,3) code also offers ...
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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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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 ...original convolutional code, and its benefit ...
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Analysis the effect of processing gain on optical coded IDMA at minimum loss using random and tree inter leaver
... having convolutional code rate (1,3) O-IDMA using random and tree inter- leaver with spreading length 16 and data length ...having convolutional code rate (1,3) O- IDMA using random and tree ...
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Channel Encoding Security Via Puncturing and Pruning
... mother convolutional code by pruning state transitions that cannot occur ...mother code is inferior than the code define using pruning ...
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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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Design And Implementation Of Coding Techniques For Communication Systems Using Viterbi Algorithm
... the convolutional encoder to its initial ...complete convolutional coding process for the full rate speech ...the convolutional encoder, some of the bits have double protection, some have only a ...
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Novel PAPR Reduction Technique Based On Conventional Partial Transmit Sequence (PTS)
... In the proposed OFDM s ystem, we have co mbined the use of convolutional code and RCF (Repeating Clipping and Filtering) as shown in Fig.3. The ma in idea of the proposed PAPR method (CRCF_PTS) is to use ...
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PERFORMANCE EVALUATION OF WIMAX SYSTEM USING CONVOLUTIONAL PRODUCT CODE (CPC) A. Ebian, M. Shokair, and K. H. Awadalla
... a convolutional code, the same recursive systematic convolutional code is used to encode each ...systematic convolutional encoder. CPC uses a recursive systematic convolutional ...
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Non Iterative Joint Channel Equalisation and Channel Decoding
... Figure 3: Comparison of iterative versus non-iterative joint equalisation/decoding over a two-path dispersive Gaussian channel, when using a convolutional code having the following param[r] ...
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