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soft output

Sparsening filter design for iterative soft input soft output detectors

Sparsening filter design for iterative soft input soft output detectors

... In this work we have considered the design of sparsening filters as a way to reduce the complexity of iterative soft- input soft-output MAP detectors. By designing the spar- sening filter so that the ...

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A high throughput architecture for a low complexity soft-output demapping algorithm

A high throughput architecture for a low complexity soft-output demapping algorithm

... In this paper, we present a comprehensive communica- tion and hardware performance evaluation of low complex- ity soft-output demapping algorithms to select the best algo- rithm for implementation. The main ...

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VLSI Implementation of a Fixed Complexity Soft Output MIMO Detector for High Speed Wireless

VLSI Implementation of a Fixed Complexity Soft Output MIMO Detector for High Speed Wireless

... Fixed-Complexity Soft-Output (MFCSO) detection, which achieves a good trade-off between performance and implementation cost compared to the referenced prior ...

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Adaptive Iterative Soft Input Soft Output Parallel Decision Feedback Detectors for Asynchronous Coded DS CDMA Systems

Adaptive Iterative Soft Input Soft Output Parallel Decision Feedback Detectors for Asynchronous Coded DS CDMA Systems

... adaptive soft-input soft-output mul- tiuser detector and a bank of SISO single-user decoders, which are separated by deinterleavers and ...trinsic soft information of coded symbols between ...

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A Soft-Input Soft-Output Target Detection Algorithm for Passive Radar

A Soft-Input Soft-Output Target Detection Algorithm for Passive Radar

... This paper proposes another algorithm for target detection in passive radar that is based on Soft-input Soft-output (SISO) processing. SISO processing was first introduced for turbo coding [17] and ...

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Soft In Soft Output Detection in the Presence of Parametric Uncertainty via the Bayesian EM Algorithm

Soft In Soft Output Detection in the Presence of Parametric Uncertainty via the Bayesian EM Algorithm

... We investigate the application of the Bayesian expectation-maximization (BEM) technique to the design of soft-in soft-out (SISO) detection algorithms for wireless communication systems operating over ...

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Performance Enhancement of the OFDM-Based DSRC System Using Frequency-Domain MAP Equalization and Soft-Output Demappers

Performance Enhancement of the OFDM-Based DSRC System Using Frequency-Domain MAP Equalization and Soft-Output Demappers

... the soft demappers performed better than the conventional DSRC ...the soft-input Viterbi in the case of 16 QAM only for SNR ...the soft-Viterbi was outperformed by the BCJR, especially at low Doppler ...

111

An Iterative SISO Improved Complex Sphere Detection and Decoder for Turbo-MIMO Systems

An Iterative SISO Improved Complex Sphere Detection and Decoder for Turbo-MIMO Systems

... Taking into account the characteristic of the extrinsic information estimates, almost all of the soft-input soft-output (SISO) receivers based on sphere decoder [12-14] can achieve full diversity ...

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Turbo-per-Tone Equalization for ADSL Systems

Turbo-per-Tone Equalization for ADSL Systems

... In this paper, we apply the turbo principle in a per-tone equalization-based receiver to further improve the perfor- mance [5]. Turbo techniques have gained a lot of interest since the introduction of the successful ...

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Enhancing Channel Coding using AES Block Cipher

Enhancing Channel Coding using AES Block Cipher

... Key words channel coding, Maximum A Posteriori Probability MAP algorithm, soft input soft output channel decoder SISO, advanced encryption standard AES, Joint Channel Coding and Cryptogr[r] ...

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Performance Enhancement of SOVA Based Decoder in SCCC and PCCC Schemes

Performance Enhancement of SOVA Based Decoder in SCCC and PCCC Schemes

... riori soft-output information of the SOVA and another is applied to the extrinsic information before it passes to the other decoder component in the iterative decoding pro- ...

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High Frequency Soft Switching Boost Converter with Fuzzy Logic Controller

High Frequency Soft Switching Boost Converter with Fuzzy Logic Controller

... called soft switching is ...a soft-switching method is ...achieves soft-switching but auxiliary switch performs hard ...the soft switching method, which uses resonance by inductor and ...

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A Soft Embedding Lemma for Soft Topological Spaces

A Soft Embedding Lemma for Soft Topological Spaces

... Keywords: soft set; soft sets theory; soft topology; embedding lemma; soft mapping; soft topological 7.. product; soft slab; soft continuous mapping; soft diagonal mapping 8.[r] ...

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PSO and Cuckoo Based PI Control of Positive Output Re-Lift Luo Converter

PSO and Cuckoo Based PI Control of Positive Output Re-Lift Luo Converter

... Abstract—Positive output re-lift Luo converter is a recently developed DC-DC converter which performs the conversion from positive source voltage to positive load voltage and are used in computer peripherals, dc ...

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A Simulation Study of Active Snubber Cell for A PWM DC-DC Boost Converter

A Simulation Study of Active Snubber Cell for A PWM DC-DC Boost Converter

... new soft-switching converters reduce switching loss only at the expense of much increased voltage/current stresses of the switches, which leads to a substantial increase in conduction ...

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Study and Design of a Full Bridge DC / DC Power Converter

Study and Design of a Full Bridge DC / DC Power Converter

... It is a full Bridge power DC / DC converter (Figure 1), sized according to well-defined specifications, for charging batteries for PV installations. This converter allows to deliver at the output a voltage of 12V, ...

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On Some Structural Properties of Fuzzy Soft Topological Spaces

On Some Structural Properties of Fuzzy Soft Topological Spaces

... fuzzy soft sets (F, A) and (G, B) over a common universe U is the fuzzy soft set (H, C) where C = A ∩ B and H(e) = F(e) ∧ G(e) for all e ∈ C and we write (H, C) = (F, A) ∩ ~ (G, ...

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Additional controls to enhance the active power management within islanded microgrids

Additional controls to enhance the active power management within islanded microgrids

... DER’s output power within microgrids is the active power- frequency (P-f) droop control [9-10], as it uses the microgrid’s frequency locally without any need for data communication amongst the ...its output ...

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Constant modulus algorithm aided soft decision directed blind space time equalization for SIMO channels

Constant modulus algorithm aided soft decision directed blind space time equalization for SIMO channels

... CMA+DD and CMA+SDD, in terms of the estimated MSE and MD measure, are depicted in Fig. 4 (a) and (b), respectively, while the equalizer’s output signal constellations after convergence are illus- trated in Fig. 5. ...

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Statistical Approach for Energy Conservation ...

Statistical Approach for Energy Conservation ...

... Multiple-Input Multiple-Output i.e. MIMO technique is based upon the use of multiple antennas concept or exploitation of spatial diversity technique. It was programmed such that it provides high speed ...

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