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Soft decision

An Improved Soft Decision Based MIMO Detection Using Lattice Reduction

An Improved Soft Decision Based MIMO Detection Using Lattice Reduction

... For soft decision LDPC decoder, the optimum values of K are 256, 1024, and 1024 for QPSK, 16QAM, and 64QAM ...For soft decoding, we need bigger list than hard ...hard decision decoding, we ...

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Long Irregular LDPC coded OFDM with Soft Decision

Long Irregular LDPC coded OFDM with Soft Decision

... hard decision message-passing algorithm is known as bit- flipping algorithm and the passed messages are binary in nature [11, ...hard decision about each received bit is made by the ...binary ...

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ANALYSIS AND IMPLEMENTATION OF SOFT - DECISION DECODING ALGORITHM OF LDPC

ANALYSIS AND IMPLEMENTATION OF SOFT - DECISION DECODING ALGORITHM OF LDPC

... propagates soft probabilities of the bits between bit nodes and check nodes through the Tanner graph, thereby refining the confidence that the parity checks provide about the ...the soft probabilities is ...

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Title: HARD DECISION AND SOFT DECISION DECODING ALGORITHMS FOR LDPC AND QC-LDPC CODES

Title: HARD DECISION AND SOFT DECISION DECODING ALGORITHMS FOR LDPC AND QC-LDPC CODES

... Iterative Decoding:-There are different iterative decoding algorithms having two derivations. Iterative Decoding algorithms based on their alphabet are generally classified as in hard decision and ...

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Distributed Soft Decision Weighted Cooperative Spectrum Sensing in Cognitive Radio
                 

Distributed Soft Decision Weighted Cooperative Spectrum Sensing in Cognitive Radio  

... a soft weighted linking reflecting the measurement superiority without consolidated fusion ...proposed soft decision weighted distributed cooperative spectrum sensing with the help off Particle Swarm ...

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A soft decision-directed blind equalization algorithm

A soft decision-directed blind equalization algorithm

... The only available DD equalization algorithms for reconstructing PSK and QPSK signals are the ~fLE algorithm which has a very slow convergence rate and the standard DD algorithm which ca[r] ...

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From hard data to soft decision

From hard data to soft decision

... The use of energy is increasing in Hungary so building a new power plant will be necessary. We took a part in the project of evaluating locations for a new Nuclear Power Plant. Decision maker has to consider ...

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Constant Modulus Algorithm Assisted Soft Decision Feedback Equalization

Constant Modulus Algorithm Assisted Soft Decision Feedback Equalization

... lï xõ Óó húó îðóIö Óñïðñ õ ÓÿóÊû ¿ù cõûþïðñ $øÓúó øÓú Óóó Xö‰øÓú ZùºòcóÊî!ù lï ªõ Óó ¿ù öªñò Åù :øÓúó$øÓú ÓóÊó ö‰øÓú ‚úöªñcñóÊî ZùºòaóÊî“ù lï õ Óó xöªïðñ hóÛùxücûþó ÓÿóÛü2óøþøÓó 2ó Åù[r] ...

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Performance Evaluation of Bit Flipping and Sum Product Algorithm of LDPC coder in Different Channel Environment

Performance Evaluation of Bit Flipping and Sum Product Algorithm of LDPC coder in Different Channel Environment

... The paper is organized as follows: Section I the introduction of LDPC is explained. Section II is containing block diagram of the coded system. Section III is containing encoding method of LDPC for generating codeword ...

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Fast Multi-Symbol Based Iterative Detectors for UWB Communications

Fast Multi-Symbol Based Iterative Detectors for UWB Communications

... the decision variables by summing up the correlation of di ff erent symbol waveforms, each properly weighted by the reliability of detected symbols and iteratively updating the weights and detected ...Hard ...

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New approaches to the analysis and design of Reed Solomon related codes

New approaches to the analysis and design of Reed Solomon related codes

... the soft reliability channel information before passing them to an algebraic soft-decision decoding ...algebraic soft-decision decoding algorithm, our algorithm has impressive coding ...

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Iterative Sparse Channel Estimation and Decoding for Underwater MIMO-OFDM

Iterative Sparse Channel Estimation and Decoding for Underwater MIMO-OFDM

... In this paper, we have developed an iterative receiver for underwater MIMO-OFDM that couples sparse channel estimation, MIMO detection, and channel decoding. Various types of feedback information have been considered to ...

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Optimization of Cooperative Spectrum Sensing Using PSO Algorithm for Wireless Communication

Optimization of Cooperative Spectrum Sensing Using PSO Algorithm for Wireless Communication

... A simulation has been done to assess the performance of proposed PSO algorithms based softened hard decision fusion based cooperative spectrum sensing. We plot below the receiver operating characteristic (ROC), ...

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Hard Decision Decoding of Multidimensional Turbo Product Codes Using Iterative Algorithm

Hard Decision Decoding of Multidimensional Turbo Product Codes Using Iterative Algorithm

... ABSTRACT:-In this paper we mainly deals about low complexity decoding and reliable form of communication system with less number of errors by using hard decision decoding with iterative algorithm .In this paper we ...

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On the Convergence of Iterative Receiver Algorithms Utilizing Hard Decisions

On the Convergence of Iterative Receiver Algorithms Utilizing Hard Decisions

... hard decision interference cancellation (IHDIC) is analyzed in a general framework for ASK, PSK, and QAM ...iterative soft decision interference cancellation (ISDIC) receivers whose soft ...

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Type-2 Fuzzy Soft Sets on Fuzzy Decision Making Problems

Type-2 Fuzzy Soft Sets on Fuzzy Decision Making Problems

... Making decision is one of the most fundamental activities of human ...being. Decision making is a study of how decisions are actually made ...of decision making consisted of fuzzifications of the ...

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Algorithm to compute transitive closure of fuzzy soft relation

Algorithm to compute transitive closure of fuzzy soft relation

... of soft set with reference to so called new operations give rise to many algebraic structures and form certain complete modular lattice ...fuzzy soft set[14], fuzzification of the notion of soft set ...

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Competency Profile of MBA students in Tamil Nadu through One Sample T Tests

Competency Profile of MBA students in Tamil Nadu through One Sample T Tests

... The one-sample t-test is used to determine whether a sample comes from a population with a specific mean. One sample t test is used in order to know whether the mean competency scores of a particular sample of MBA ...

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Vol 3, No 3 (2012)

Vol 3, No 3 (2012)

... We have applied the extended notion of similarity between two generalized fuzzy soft sets in a decision problem. We have taken the same example as was taken by Majumder and Samanta in [5] and proceeding in ...

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An Approach for Selecting Candidates in Soft-handover Procedure Using Multi-Generating Procedure and Second Grey Relational Analysis

An Approach for Selecting Candidates in Soft-handover Procedure Using Multi-Generating Procedure and Second Grey Relational Analysis

... to soft-handover procedure for 3th generation or 4th generation mobile communication ...in soft-handover procedure for 3th generation or 4th generation mobile ...in soft-handover procedure, and ...

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