Search Results - "Lăcătuş, C"

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  1. 1

    Adaptive Interference Avoidance for Dynamic Wireless Systems: A Game Theoretic Approach by Lacatus, C., Popescu, D.C.

    “…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. 2

    Flexible Spectrum and Power Allocation for OFDM Unlicensed Wireless Systems by Lacatus, C., Akopian, D., Yaddanapudi, P., Shadaram, M.

    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. 3

    Reduced Complexity Algorithm for Spreading Sequence Design by Lacatus, C., Akopian, D., Shadaram, M.

    “…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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    Journal Article
  4. 4

    On the total weighted square correlation minimization in multicellular synchronous DS-CDMA systems by Cotae, P., Aguirre, M., Lacatus, C.

    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. 5

    Sensitivity of Enterobacteriaceae strains to the third generation cephalosporins by Poiată, A, Filip, R, Tuchiluş, C, Constantiniu, S, Dumistracel, I, Popa, C, Lăcătuş, C, Buiuc, D

    “…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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    Journal Article
  6. 6

    Cognitive topology control based on game theory by van den Berg, E, Fecko, M A, Samtani, S, Lacatus, C, Patel, M

    “…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. 7

    On the Transmit Power Assignment in Multicarrier-DS-CDMA Systems by Lacatus, C.

    “…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. 8

    Implementation approaches of adaptive algorithms for crosscorrelation effect compensation in weak signal conditions by Lacatus, C., Akopian, D., Shadaram, M.

    “…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. 9

    Polymers with pendent functional groups: VII. Polysaccharide derivatives containing viologen groups by Avram, Ecaterina, Lãcãtus, Cristina, Mocanu, Georgeta

    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. 10

    Minimum User Powers and Optimal Codewords in Uplink CDMA Systems by Lacatus, C., Popescu, D.C., Mehdi Shadaram

    “…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. 11

    Interference avoidance with incremental power updates for uplink CDMA systems by Lacatus, C., Popescu, D.C.

    “…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. 12

    Game Theoretic Approach to Joint CDMA Codeword and Power Adaptation by Lacatus, C., Popescu, D.C.

    “…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. 13

    Adaptive OFDMa scheme for spectrum and power allocation by Lacatus, C., Akopian, D., Shadaram, M.

    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. 14

    Spreading Sequence Design for MC-CDMA Systems by Lacatus, C., Akopian, D., Shadaram, M.

    “…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. 15

    Fast convergence of distributed joint spreading sequence and power control algorithms by Lacatus, C., Akopian, D., Shadaram, M.

    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. 16

    Feedback Requirements for Greedy Interference Avoidance by Lacatus, C., Popescu, D.C., Shadaram, M.

    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