Results 101 to 110 of about 41,325 (264)
Adaptive minimum symbol error rate beamforming assisted receiver for quadrature amplitude modulation systems [PDF]
, 2006 An adaptive beamforming assisted receiver is proposed for multiple antenna aided multiuser systems that employ bandwidth efficient quadrature amplitude modulation (QAM).
Du, H.Q, Hanzo, L., Chen, S.
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Adaptive Minimum Bit Error Rate Beamforming Assisted QPSK Receiver [PDF]
, 2004 A novel adaptive beamforming technique is proposed for wireless communication with quadrature phase shift keying signalling based on the minimum bit error rate (MBER) criterion.
S. Chen +7 more
core +1 more source
International Journal of Satellite Communications and Networking, EarlyView.ABSTRACT The integration of low Earth orbit (LEO) satellite constellations with commercial aircraft communication systems presents critical challenges in maintaining continuous connectivity during dynamic flight conditions. Current geostationary satellite systems suffer from high round‐trip latency (>$$ > $$ 500 ms) and inadequate coverage at high ...
Raúl Parada +4 more
wiley +1 more source
Minimum symbol error rate turbo multiuser beamforming aided QAM receiver [PDF]
, 2008 This paper studies a novel iterative soft interference cancellation (SIC) aided beamforming receiver designed for high-throughput quadrature amplitude modulation systems communicating over additive white Gaussian noise channels.
Chen, Sheng, Tan, S, Hanzo, L
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Orthogonal re-spread for uplink WCDMA beamforming [PDF]
, 2000 This paper presents a new extraction method for the spatial correlation matrix of interference and noise only based on orthogonal re-spreading. The method uses one of the remaining orthogonal variable spreading factor (OVSF) code that is orthogonal to ...
Piechocki, RJ +3 more
core +1 more source
SensorsThe directional antenna combined with beamforming is one of the attractive solutions to accommodate high data rate applications in 5G vehicle communications.
Jihun Lee, Hun Kim, Jaewoo So
doaj +1 more source
International Journal of Satellite Communications and Networking, EarlyView.ABSTRACT Low Earth Orbit (LEO) satellite constellations offer unprecedented opportunities for global broadband connectivity but pose significant beamforming challenges due to rapid platform motion and stringent onboard hardware constraints. Fully digital architectures, while optimal in theory, remain impractical for satellite payloads, motivating ...
Mohammad Momani +2 more
wiley +1 more source
Avaliação de erros de posicionamento de microfontes e influência da temperatura e umidade relativa na técnica de beamforming [PDF]
, 2013 Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico, Programa de Pós-graduação em Engenharia Mecânica, Florianópolis, 2013Existe uma pressão contínua das pessoas e autoridades para a redução dos níveis de ruído das mais ...
Sanches, Diogo
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International Journal of Satellite Communications and Networking, EarlyView.ABSTRACT In this paper, the correlation learning estimation and adaptive reduction (CLEAR) of interference, an adaptive, blind and transparent interference compensation method applied in a wideband dual‐channel receiver, is studied for a pair of independent satellite multi‐connectivity links, using the same carrier frequency and signal bandwidth in use
Svilen Dimitrov
wiley +1 more source
Digital Beamforming and MIMO SAR: Review and New Concepts [PDF]
, 2012 Spaceborne Synthetic Aperture Radar (SAR) is a unique tool for large scale Earth observation, but the current generation of SAR sensors suffers from some fundamental limitations with regard to their imaging and mapping capabilities.
Villano, Michelangelo +10 more
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