نتایج جستجو برای: full diversity

تعداد نتایج: 479277  

2011
C. Ranganathan Iván Alfaro

One of the challenges that global software development teams face is the development of rich and meaningful interactions among members from different countries. Researchers and practitioners in the field are constantly looking for factors that may help organizations understand and mitigate the negative effects that nationality diversity may have on performance in global teams. This paper follow...

2017
Lara Souza Katharine L. Stuble Mark A. Genung Aimee T. Classen

trump soil nutrient availability to shape old-field structure and function Lara Souza*, Katharine L. Stuble, Mark A. Genung and Aimee T. Classen Oklahoma Biological Survey and Microbiology and Plant Biology Department, University of Oklahoma, 111 E. Chesapeake Street, Norman, OK 73019, USA; Department of Ecology and Evolutionary Biology, University of Tennessee, 569 Dabney Hall, Knoxville, TN 3...

2004
Euan Heit Ulrike Hahn Aidan Feeney

Why do some observations lead to broad generalizations whereas other observations do not have as much influence on people's beliefs? One principle of evaluating evidence is the diversity principle, which states that more diverse evidence should lead to stronger inferences than a narrow sample of evidence. For example, if you see someone repeatedly acting aggressively while giving lectures, you ...

2014
O. Ravinder M. Ramakrishna M. Raju

-Single-Carrier Frequency Domain Equalizer (SCFDE) scheme has several advantages than multi-carrier scheme OFDM. SC-FDE avoids all the drawbacks of OFDM. This paper analyzes the diversity gain of multi-input-multi-output (MIMO) SCFDE in frequency selective channels. This paper fully analyzes the Alamouti signaling scheme under linear equalizers such as Zeroforcing (ZF) and MMSE equalizers. The ...

2017
Thiago Henrique Ton Joao Luiz Rebelatto Richard Demo Souza

In the paper “Finite-SNR Diversity-Multiplexing Tradeoff for Network Coded Cooperative OFDMA Systems”, the authors adopt a recently proposed subcarrier allocation algorithm aiming at providing optimal frequency diversity to an OFDMA-based network with network-coded cooperation (NCC), where P source nodes transmit independent information to a common destination with the help of M relay nodes, in...

2002
Amar Prabhu Madhuparna Wadekar

In order to precisely estimate the diversity in any microbial community, many samples of that community need to be analyzed. The accuracy of the diversity level increases linearly with the sample size until the full level of diversity in the community is recognized. The larger the number, the better is the estimate. However, due to both time and economic constraints, collecting and analyzing th...

Journal: :CoRR 2007
Albert Guillén i Fàbregas Giuseppe Caire

We study the problem of constructing coded modulation schemes over multidimensional signal sets in Nakagami-m block-fading channels. In particular, we consider the optimal diversity reliability exponent of the error probability when the multidimensional constellation is obtained as the rotation of classical complex-plane signal constellations. We show that multidimensional rotations of full dim...

2017
Rajarshi Roy

Distributed switched diversity combining has drawn significant attention in the recent past due to its low complexity nature in terms of channel state information (CSI) requirement at the receiving end to achieve full diversity order. In this paper, we propose a hybrid selection and switch-and-examine combining (HSSEC) scheme, which is a combination of selection combining (SC) and switch-andexa...

Journal: :Ad Hoc Networks 2013
Tamer A. ElBatt

In this paper we study the fundamental scheduling, multiplexing and diversity trade-off in MIMO ad hoc networks. In particular, we propose a unified framework for the schedulingmultiplexing and scheduling-diversity sub-problems that constitutes a major step towards solving the overall problem. The two sub-problems are motivated by a fundamental trade-off between scheduling full multiplexing (di...

2008
A. Guillén Albert Guillén Giuseppe Caire

We study the problem of constructing coded modulation schemes over multidimensional signal sets in Nakagamim block-fading channels. In particular, we consider the optimal diversity reliability exponent of the error probability when the multidimensional constellation is obtained as the rotation of classical complex-plane signal constellations. We show that multidimensional rotations of full dime...

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