rate 1/2 codes
Turbo Equalization Of Nonlinear ISI-channels Using High Rate FEC Codes
... at 1/3 up to 1/2 which makes it quite unattractive for high rate data ...high rate codes of less than 7% redundancy by using punctured convolutional codes and block ...
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Comparison Study between 1/2 Rate And 2/3 Rate Convolutional Encoder with Viterbi Decoder
... the codes is used independently are ...convolutional codes as more factual research and advancement followed suit since then, which links convolutional coding with Viterbi ...
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Performance of Parallel Concatenated Convolutional Codes (PCCC) with BPSK in Nakagami Multipath M-Fading Channel
... code rate required, the parity bits from the two constituent encoders are punctured before ...constituent codes of rate 1/2 and for a turbo code of rate 1/3, all the ...
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A construction of the high rate regular quasi cyclic LDPC codes
... (LDPC) codes [1], which is one of the main error-correcting codes, has been widely used in various practical applications [2, ...high- rate regular QC-LDPC codes which are prone ...
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The Effect of Channel Coding Rate on the Resistance of Direct-Sequence Spread-Spectrum Communication Systems to Narrow-Band Interference
... optimum rate of (BCH) channel codes are considered in the single-user direct-sequence spread-spectrum ...optimum rate exists and it certainly depends on the characteristics of the channel ...
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Space time block codes with rate >= 1 for power line channels
... a rate-1 real orthogonal STBC scheme demonstrate significant gains over an uncoded system operating with the same diversity ...a rate-3/2 real non-orthogonal space-time block code with reduced ...
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Delay-Limited Rate-Compatible Protograph LDPC Codes
... protograph codes have been recently reported in [3], [14], [24]. The newest rate-compatible protograph LDPC code was optimized for multi-level-cell flash memory for the first time ...the ...
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On Rate-Compatible Punctured Turbo Codes Design
... volutional codes (PCCC) with two constituent encoders were described with a variable rate of 1 / 2 to 1 / 3 using the same mother ...turbo codes to be used in hybrid FEC/ARQ ...
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Simulation and Performance Analysis of 2 D Codes at 1 Gbps and 1 25 Gbps Data Rate for OCDMA LAN Applications
... [7]. Z. Wang, J. Chang and Paul R. Prucnal, “Theoretical Analysis and Experimental Investigation on the Confidentiality of 2-D Incoherent Optical CDMA System”, Journal of Lightwave Technology, Vol.28, No.12, June ...
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Hybrid ARQ type I based on convolutional code
... bit-error rate (BER) performance, according to the different constraint lengths (K=3 and K=4) and code rate (1/2 and 1/3) of convolutional codes on HARQ type I simulation scheme ...
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FPGA Implementation of Bose Chaudhuri Hocquenghem Code (BCH) Encoder and Decoder for Multiple Error Correction Control
... FEC codes for more than 20 years to transmit digital data through different transmission ...error-correcting codes compensated for noise and other physical elements to allow for full data ...transmission ...
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Design & Analysis of Space Time Trellis Codes for Different Fading Channels
... . Finally, we introduce the simple single-symbol maximum-likelihood (ML) decoding. Simulation results show that our differential STTC can get better performance than the differential space-time trellis code (STTC) with ...
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(E b/N0 ). Various parameters that influence the performance
... ARQ mechanism in conjunction with turbo codes have been considerably investigated in the recent years. One of the earliest works on this approach was done by Narayanan and Stuber [3]. They proposed a hybrid ...
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Leakage Squeezing of Order Two
... masking of bytes (n = 8), without (at left hand-side) and with (at right hand- side) leakage squeezing. In the middle of Tab. 1, an intermediate case is shown: it corresponds to a “partial” leakage squeezing, ...
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Positive predictive value of International Classification of Diseases, 10th revision, diagnosis codes for cardiogenic, hypovolemic, and septic shock in the Danish National Patient Registry
... sis codes for cardiogenic shock, hypovolemic shock, and septic shock in the DNPR overall and for each code sep- arately, (2) treatment codes for inotropic/vasopressor therapy in the DNPR among ...
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Counting extended irreducible binary Goppa codes of degree 2p and length 2^n+1
... Goppa codes: We wish to produce an upper bound on the number of inequivalent extended irreducible binary Goppa codes of degree 2p and length 2 n + ...
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On Conjugation Partitions of Sets of Trinucleotides
... [20] M. V. José, T. Govezensky, J. A. García and J. R. Bo- badilla, “On the Evolution of the Standard Genetic Code: Vestiges of Critical Scale Invariance from the RNA World in Current Prokaryote Genomes,” PLoS One, Vol. ...
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Folding Alternant and Goppa Codes with Non-Trivial Automorphism Groups
... Goppa codes with symmetries can be seen as an inflated version of a smaller alternant code without ...alternant/Goppa codes introduces a fundamental weakness: decreasing the size of the public-key as in ...
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Decoding Random Binary Linear Codes in $2^{n/20}$: How $1+1=0$ Improves Information Set Decoding
... Usually in cryptographic settings the Hamming weight of e is smaller than the error correction capability, i.e. wt(e) ≤ ω = " d − 2 1 # , which ensures unique decoding. This setting is also known as ...
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