The Structure of Block Codes
Simplified decoding techniques for linear block codes
... RS codes are one of the most popular codes for industries their restriction is that the size is limited to the size of the chosen alphabet that is the finite field over which they are ...RS codes, ...
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Convergence Analysis of Turbo Decoding of Serially Concatenated Block Codes and Product Codes
... concatenated codes, and focus on serially concatenated product codes (SCPC) ...product codes with checks on ...practical codes, the SDM is ...the structure of their stability matrices ...
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Orthogonal and quasi orthogonal space time block codes
... algebraic structure of QO- STBC, we have found that although CR helps QO-STBC to attain full diversity, it actually increases the decoding complexity of the QO-STBC when regular square or rectangular quadrature ...
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FPGA implementation of trellis decoders for linear block codes
... Abstract. Forward error correction based on trellises has been widely adopted for convolutional codes. Because of their efficiency, they have also gained a lot of interest from a theoretic and algorithm point of ...
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A Fast Sphere Decoding Algorithm for Space-Frequency Block Codes
... Despite the recent advances in sphere decoding [10–14], the existing methods have some disadvantages. Most decod- ing approaches were formulated in the real domain, lim- iting their use for cases where the complex ...
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Design of distributed space-time block codes for relay networks
... 1.1 Overview of STBC and DSTBC The negative effects of fading phenomenon on quality and the data rates in wireless communications can be combated if the receiver is provided with some form of diversity. One important ...
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Good Trellises for IC Implementation of Viterbi Decoders for Linear Block Codes
... In this paper, we investigate trellis structures, particularly the parallel structure, of linear block codes for implementation of Viterbi decoders capable of achieving high decoding spe[r] ...
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Comparison of LDPC Block and LDPC Convolutional Codes based on their Decoding Latency
... the structure of the code and hence termed as structural latency 1 ...convolutional codes as compared to block codes have an advantage in terms of structural latency of the ...input ...
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Performance Enhancement of MC CDMA System through Turbo Block Codes
... The basic MC-CDMA signal is generated by a serial concatenation of classical DS-CDMA and OFDM [13]. Each chip of the direct sequence spread data symbol is mapped on to a different sub-carrier. Thus, with MC-CDMA the ...
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Hybrid ARQ Schemes for Non-orthogonal Space-time Block Codes
... path connecting a transmit and a receive antenna being highly correlated in time. Under the current assumptions and the packet structure introduced in Section 5.1, the number of time slots between adjacent ...
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Redundant residue number system based space-time block codes
... all residues are not converted back to “n”-bit binary numbers. We can exploit the coding structure and modularity of the RRNS to optimize the number of symbol transmissions. Since the moduli for an RRNS(u, v) code ...
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Images of Linear Block Codes over Fq+uFq+vFq+uvFq
... linear block codes over R q F q uF q vF q uvF u q , 2 v 2 0, uv vu where q p m , m ...the structure of the ...linear block codes and equipped it with a homogeneous ...
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Block-wise Non-malleable Codes
... the structure of e c (b) is ...the structure of e c (b) is determined entirely by three values: the tag and the two commitments; all the other values are set to be string of ...
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Block-wise Non-Malleable Codes
... the structure of e c (b) is ...the structure of e c (b) is determined entirely by three values: the tag and the two commitments; all the other values are set to be string of ...
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On structure and decoding of Hermitian codes
... Typically the Gröbner basis of J F L C,t that has been obtained using the block order < contains a large number of polynomials and most are not useful for decoding purposes. We would have to choose a polynomial in ...
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Block-Diagonal and LT Codes for Distributed Computing With Straggling Servers
... a structure of repeated computation tasks across servers was proposed, en- abling coded multicast opportunities that significantly reduce the required bandwidth to shuffle the ...(MDS) codes can be applied ...
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Pragmatic Space-Time Codes for Cooperative Relaying in Block Fading Channels
... P-STC structure for cooperative communication with various numbers of relays and transmitting antennas, we will derive the pairwise error probability, asymptotic error probability bounds, and design criteria to ...
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On Error Detection with Block Codes
... proper codes. We will mention two of them. Claude Shannon proved that codes exist for reliable transmission of information at any rate below the channel capacity, but did not provide a construction of an ...
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Adaptive iterative decoding : block turbo codes and multilevel codes
... In chapter 4 a new approach to iterative multistage decoding is derived by treating the extrinsic information as a Gaussian random variable (Gaussian approach). The Ga[r] ...
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Block Layering Approach in TAST Codes
... STBC codes offer great complexity in varying the number of receive/transmit ...TAST codes [6] are flexible with respect to number of transmit/receive ...ST codes construction which are also flexible ...
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