Results 41 to 50 of about 7,335,937 (187)
Frequency-Hopping Wave Engineering with Metasurfaces
, 2023 Wave phenomena can be artificially engineered by scattering from metasurfaces, which aids in the design of radio-frequency and optical devices for wireless communication, sensing, imaging, wireless power transfer and bio/medical applications.
Daisuke Nita (16541400) +4 more
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Multistage Frequency-Hopping Assisted Ultra-Wideband Multiple-Access Communications
, 2002 Ultra-WideBand (UWB) systems having a bandwidth on the order of a Gigahertz have recently received wide attention both in the USA and in Europe. In this contribution a novel UWB multiple access scheme based on the well-known family of Frequency-Hopping ...
Yang, L-L, Hanzo, L
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CHARACTERISTICS OF THE NOISE STABILITY OF RADIO COMMUNICATION SYSTEMS WITH FREQUENSY HOPING
Доклады Белорусского государственного университета информатики и радиоэлектроники, 2019 Typical block diagrams of communication systems with frequency hopping are considered. Synthesis of algorithm and the processing device of signals with frequency hopping in fading channels are resulted.
I. I. Skib +3 more
doaj
Time-Hopping Multicarrier Code-Division Multiple-Access
, 2006 A time-hopping multicarrier code-division multiple-access (TH/MC-CDMA) scheme is proposed and investigated. In the proposed TH/MC-CDMA each information symbol is transmitted by a number of time-domain pulses with each time-domain pulse modulating a ...
Yang, L.-L., Lie-liang Yang
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Mobile peer-to-peer frequency-hopping communications [PDF]
IEEE Military Communications Conference. Proceedings. MILCOM 98 (Cat. No.98CH36201), 2002 The potential performance of mobile peer-to-peer frequency-hopping communication systems in multiple-access networks is studied. Through analysis and simulation, the effects of Rayleigh fading, shadowing, spectral splatter, the number of frequency channels, spatial diversity, and thermal noise are examined.
openaire +1 more source
, 2002 —In this paper we propose two novel low-complexity, low-delay erasure insertion schemes, namely, the output threshold test (OTT) and joint maximum output and ratio threshold Test (MO-RTT). The employment of the OTT and MO-RTT is beneficial in the context
Yang, Lie-Liang, Hanzo, Lajos
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Control and Communication Co-Optimization Method with Handshake Frequency Hopping for Multi-AGVs
MathematicsIn dynamic, high-interference industrial and logistics environments, multi-AGV cooperative tasks are often affected by communication delays and data loss, leading to information staleness and reduced control accuracy.
Jisong Yu +5 more
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Anti-jamming communication for body area network using chaotic frequency hopping
Healthcare Technology Letters, 2017 The healthcare industries research trends focus on patient reliable communication and security is a paramount requirement of healthcare applications. Jamming in wireless communication medium has become a major research issue due to the ease of blocking ...
Balamurugan Gopalakrishnan +1 more
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Big Data and Cognitive ComputingIn wireless communication, information security, and anti-interference technology, modulation recognition of frequency-hopping signals has always been a key technique.
Mengxuan Lan +2 more
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Software-Defined-Radio-Assisted Adaptive Broadband Frequency Hopping Multicarrier DS-CDMA
, 2002 Against the backdrop of the explosive expansion of the Internet and the continued dramatic increase in demand for high-speed multimedia wireless services, there is an urgent demand for flexible, bandwidth-efficient transceivers.
Yang, L-L., Hanzo, L.
core +1 more source