Search Results - "Lăcătuş, C"
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Adaptive Interference Avoidance for Dynamic Wireless Systems: A Game Theoretic Approach
Published in IEEE journal of selected topics in signal processing (01-06-2007)“…In this paper, we present an adaptive algorithm for interference avoidance, which can be applied in a distributed manner by active users in a CDMA wireless…”
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Journal Article -
2
Flexible Spectrum and Power Allocation for OFDM Unlicensed Wireless Systems
Published in IEEE systems journal (01-06-2009)“…Future generations of communication systems will benefit from cognitive radio technology, which significantly improves the efficient usage of the finite radio…”
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Journal Article -
3
Reduced Complexity Algorithm for Spreading Sequence Design
Published in IEEE transactions on circuits and systems. II, Express briefs (01-12-2008)“…This paper describes a novel gradient descent algorithm for the constrained optimization of spreading sequence design in the uplink of CDMA systems that use…”
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4
On the total weighted square correlation minimization in multicellular synchronous DS-CDMA systems
Published in Information Theory Workshop (2004)“…A definition of total weighted square correlation (TWSC) for an overloaded multicellular synchronous DS-CDMA system in the presence of multipath on the uplink…”
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Conference Proceeding -
5
Sensitivity of Enterobacteriaceae strains to the third generation cephalosporins
Published in Revista medico-chirurgicala a Societatii de Medici si Naturalisti din Iasi (01-04-2000)“…The aim of this study was to evaluate the in vitro activity of cefotaxime, ceftriaxone, ceftazidime, ceftibuten and aztreonam against the clinical isolates of…”
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6
Cognitive topology control based on game theory
Published in 2010 - MILCOM 2010 MILITARY COMMUNICATIONS CONFERENCE (01-10-2010)“…We have created a framework to design and study distributed topology control algorithms that combine network-formation games with machine learning. The…”
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Conference Proceeding -
7
On the Transmit Power Assignment in Multicarrier-DS-CDMA Systems
Published in Conference Record of the Thirty-Ninth Asilomar Conference onSignals, Systems and Computers, 2005 (2005)“…We investigate the behavior of the multi-carrier DS-CDMA (MC-DS-CDMA) synchronous systems based on linear detectors under different power assignment strategies…”
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Conference Proceeding -
8
Implementation approaches of adaptive algorithms for crosscorrelation effect compensation in weak signal conditions
Published in 2008 IEEE/ION Position, Location and Navigation Symposium (01-05-2008)“…In this paper we propose reduced complexity adaptive methods for compensating cross-correlation interference in global positioning system (GPS) receivers…”
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Conference Proceeding -
9
Polymers with pendent functional groups: VII. Polysaccharide derivatives containing viologen groups
Published in European polymer journal (2001)“…The paper presents the synthesis of new polysaccharide derivatives containing viologen groups, by reaction of chloroacetylated crosslinked dextran…”
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Journal Article -
10
Minimum User Powers and Optimal Codewords in Uplink CDMA Systems
Published in 2007 IEEE Wireless Communications and Networking Conference (01-03-2007)“…The paper presents a distributed algorithm that allocates the minimum user powers for the optimal codewords in the uplink of a code division multiple access…”
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Conference Proceeding -
11
Interference avoidance with incremental power updates for uplink CDMA systems
Published in IEEE Wireless Communications and Networking Conference, 2006. WCNC 2006 (2006)“…The paper presents a distributed algorithm for joint codeword and power adaptation in the uplink of a code division multiple access (CDMA) system, in which…”
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Conference Proceeding -
12
Game Theoretic Approach to Joint CDMA Codeword and Power Adaptation
Published in 2006 Fortieth Asilomar Conference on Signals, Systems and Computers (01-10-2006)“…In this paper we present a distributed algorithm for joint codeword and power adaptation in the uplink of a Code Division Multiple Access (CDMA) system from…”
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Conference Proceeding -
13
Adaptive OFDMa scheme for spectrum and power allocation
Published in 2008 World Automation Congress (01-09-2008)“…The paper presents a new approach of optimal spectrum and power allocation for orthogonal frequency-division multiplexing (OFDM) modulation schemes. The…”
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Conference Proceeding -
14
Spreading Sequence Design for MC-CDMA Systems
Published in 2007 IEEE International Conference on System of Systems Engineering (01-04-2007)“…The paper presents a new approach of optimal spreading sequence allocation in the uplink of a multi-carrier code division multiple access (MC-CDMA) system. The…”
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Conference Proceeding -
15
Fast convergence of distributed joint spreading sequence and power control algorithms
Published in 2008 IEEE Radio and Wireless Symposium (01-01-2008)“…In this paper a distributed iterative algorithm is developed for joint spreading sequence design and power control in the uplink of CDMA systems. Simultaneous…”
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Conference Proceeding -
16
Feedback Requirements for Greedy Interference Avoidance
Published in 2007 IEEE Radio and Wireless Symposium (01-01-2007)“…Greedy interference avoidance provides distributed algorithms for CDMA codeword optimization. These algorithms are based on the implicit assumption that active…”
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Conference Proceeding