This paper proposes and analyses selection combining (SC) at the destination for differential amplify-andforward (D-AF) relaying over slow Rayleigh-fading channels. The selection combiner chooses the link with the maximum magnitude of the decision variable to be used for non-coherent detection of the transmitted symbols. Therefore, in contrast to the maximum ratio combining (MRC), no channel in...

Combining classifiers is an effective way of improving classification performance. In many situations it is possible to construct several classifiers with different characteristics. Selecting the member classifiers with the best individual performance can be shown to be suboptimal in several cases, and hence there exists a need to attempt to find effective member classifier selection methods. I...

In this paper an approach to the second order statistics analysis of macrodiversity system operating over the Gamma shadowed Rayleigh fading channels is presented. Simultaneous influence of multipath fading and shadowing is allievated through the usage of macrodiversity system. We have considered SC (selection combining) macrodiversity system consisting of two base stations (microdiversity syst...

A partial diallel design was used among 20 maize inbred lines to form 110 F1 hybrids to generate information on the values of these lines for developing insect resistant maize varieties during the short rains season of 2006. The hybrids were evaluated for resistance to the C. partellus and B. fusca, and for agronomic performance over two seasons during long and short rains of 2007 at a mid-alti...

The basic receive space diversity combining methods, i.e. Maximum Ratio Combining (MRC), Equal Gain Combining (EGC) and Selection Combining (SC), are studied in this work for Preand PostDFT combining wideband multi-carrier receivers. A common system model for both these schemes are devised. The outage and mean capacity and Frame Error Rate (FER) simulations show that Pre-DFT combining technique...

RAKE reception has been considered as an effective way to anticipate multipath signal fading in direct sequence code division multiple access (DS-CDMA) communications systems. Common diversity techniques used in conventional fingered RAKE receivers are maximal-ratio combining (MRC) and equal-gain combining (EGC). Conventional fingered RAKE receivers offer increased complexity, since the number ...

This paper studies a new decode-and-forward relaying scheme for a cooperative wireless network composed of one source, K relays, and one destination and with binary frequency-shift keying modulation. A single threshold is employed to select retransmitting relays as follows: a relay retransmits to the destination if its decision variable is larger than the threshold; otherwise, it remains silent...

In this paper, we use a novel virtual branch technique to succinctly derive the mean and variance of the combiner output signal-to-noise ratio for hybrid selection/maximal-ratio combining in a multipath-fading environment.

Next-generation sequencing (NGS) machines can sequence millions of DNA strands in a single run, such as oligonucleotide (oligo) libraries comprising millions to trillions of discrete oligo sequences. Capillary electrophoresis is an attractive technique to select tight binding oligos or "aptamers" because it requires minimal sample volumes (e.g., 100 nL) and offers a solution-phase selection env...