Results 31 to 40 of about 824,618 (117)
Rake Receiver Detection of Adaptive Modulation Aided CDMA over Frequency Selective Channels
, 2001 A closed form Bit Error Ratio (BER) formula is derived for a fixed-mode Quadrature Amplitude Modulation (QAM) scheme employing Rake receivers and receiver antenna diversity.
Choi, B.J., Hanzo, L.
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EXIT-chart aided near-capacity irregular bit-interleaved coded modulation design [PDF]
, 2009 A near-capacity irregular Bit-Interleaved Coded Modulation based Iterative Decoding (Ir-BICM-ID) aided scheme is proposed. The irregular design of the scheme pervades the three basic components of BICM-ID, namely the encoder, the unity-rate precoder and ...
Tee, Ronald Yee Siong +2 more
core +1 more source
Iterative Multiuser Minimum Symbol Error Rate Beamforming Aided QAM Receiver
, 2008 A novel iterative soft interference cancellation (SIC) aided beamforming receiver is developed for high-throughput quadrature amplitude modulation systems.
Tan, S., Chen, Sheng, Hanzo, L.
core +1 more source
Adaptive modulation schemes for optical wireless communication systems [PDF]
High-speed wireless optical communication links have become more popular for personal mobile applications. This is a consequence of the increasing demand from the personal information service boom.
Zeng, Yu
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, 2004 The design of decision feedback equalizers (DFEs) is typically based on the minimum mean square error (MMSE) principle, as this leads to effective adaptive implementation in the form of the least mean square algorithm.
Mulgrew, B., Hanzo, L., Chen, S.
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Modulation Généralisée et Amélioration du rendement des Convertisseurs Matriciels [PDF]
, 2012 Cet article présente une amélioration des performances d’un convertisseur matriciel par utilisation de degrés de liberté naturellement accessible au niveau de la matrice de conversion.
LOIZELET, Philippe +5 more
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Exact BER of Rectangular-Constellation QAM Subjected to Asynchronous Co-Channel Interference and Nakagami-m Fading [PDF]
, 2006 The exact average bit error ratio (BER) of the rectangular quadrature amplitude modulation (QAM) constellation is studied in the context of asynchronous co-channel interference (CCI) and Nakagami-m fading.
Liu, X. +3 more
core +1 more source
, 2005 The Concept of Space-Time Spreading (STS) assisted, Adaptive Quadrature Amplitude Modulation (AQAM) aidedMC DS-CDMAis introduced. The AQAMmode-switching thresholds are determined using an on-line real-time Bit-Error-Ratio (BER) based learning procedure ...
Wei, H, Yang, L-L., Hanzo, L.
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Reduced-Complexity QAM-Aided Space-Time Shift Keying
, 2011 A novel reduced-complexity near-optimal detection algorithm is proposed for enhancing the recent coherently-detected Space-Time Shift Keying (STSK) scheme employing arbitrary constellations, such as L-point Phase-Shift Keying (PSK) and Quadrature ...
S. Sugiura +5 more
core +1 more source
Enrolamentos de motores de indução trifásicos utilizando a teoria da modulação de pólos [PDF]
, 2007 Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico. Programa de Pós-Graduação em Engenharia Elétrica.O presente trabalho aborda o estudo sobre enrolamentos para máquinas elétricas girantes, com foco no princípio da ...
Giacomazzi Junior, James Alberto
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