The high signal-to-noise ratios typical of swept-wavelength interferometry (SWI) enable distance measurements to be superresolved with 2σ uncertainties as low as 10-4-10-5 of Fourier transform-limited resolution. We compare three methods of superresolving SWI distance measurements: Local Linear Regression (LLR), Estimation of Signal Parameters via Rotational Invariance Tec...

In this paper, we develop a density evolution (DE) framework for analyzing the iterative joint decoding (JD) non-orthogonal multiple access (NOMA) systems, where ordered-statistics (OSD) is applied to decode short block codes. We first investigate density-transform feature of soft-output OSD (SOSD), by deriving extrinsic log-likelihood ratio (LLR) with known densities priori LLR. Then, represen...

Usually, hearing impaired people use hearing aids which are implemented with speech enhancement algorithms. Estimation of speech and estimation of nose are the components in single channel speech enhancement system. The main objective of any speech enhancement algorithm is estimation of noise power spectrum for non stationary environment. VAD (Voice Activity Detector) is used to identify speech...

In this work we consider the performance of turbo coded OFDM systems in the presence of co-channel interference (CCI) in reuse-1 OFDM systems such as 802.16d/e and LTE. Because of frequency selectivity and diversity mapping, CCI does not affect all the subcarriers of the desired user. Hence CCI behaves like Narrow Band Interference(NBI) with the number of affected subcarriers ranging from 10% t...

Primary Objective. To test the hypothesis that two injections of enzyme-potentiated mosquito antigen significantly reduce the size of experimental mosquito bites in participants with LLR-MB. Design. Randomised, double-blind, placebo-controlled, parallel group comparison over 3 months. Setting. Hospital outpatient clinic. Participants. Fifty adult participants of both sexes. Interventions. Two i...

This study assessed the ability of two models, Local Linear Regression (LLR) and Artificial Neural Network (ANN) to estimate monthly potential evaporation from Pantagar, US Nagar (India) which falls under sub-humid and subtropical climatic zone. Observations of relative humidity, solar radiation, temperature, wind speed and evaporation have been used to train and test the developed models. A co...

Abstract— In this paper, a packet combining method known as symbol mapping diversity (SMD) is investigated. In an SMD scheme, the bit-to-symbol mapping in -ary modulation is varied among multiple transmissions of the same packet (e.g., ARQ). It has been shown that multiple transmissions of the same packet using SMD provide better bit error performance than a scheme where the same bit-to-symbol ...

BACKGROUND The purpose of our study was to define the incidence and mechanisms of atypical right atrial flutter. METHODS AND RESULTS A total of 28 (8%) of 372 consecutive patients with atrial flutter (AFL) had 36 episodes of sustained atypical right AFL. Among 24 (67%) of 36 episodes of lower loop reentry (LLR), 13 (54%) of 24 episodes had early breakthrough at the lower lateral tricuspid ann...