Results 11 to 20 of about 2,392 (179)
Filter Optimization for MFTN-OQAM Systems
IEEE Access, 2022 In this paper, a novel and effective method for designing the pulse shaping filter for multicarrier faster-than-Nyquist with offset quadrature amplitude modulation (MFTN-OQAM) systems is proposed.
Nghia H. Nguyen +2 more
doaj +2 more sources
CDMA Transmission with Complex OFDM/OQAM
EURASIP Journal on Wireless Communications and Networking, 2007 We propose an alternative to the well-known multicarrier code-division multiple access (MC-CDMA) technique for downlink transmission by replacing the conventional cyclic-prefix orthogonal frequency division multiplexing (OFDM) modulation by an advanced ...
Chrislin Lélé +3 more
doaj +4 more sources
Advisory Succession in Real Estate Investment Trusts [PDF]
Proceedings of the 2008 International Conference on Advanced Infocomm Technology - ICAIT '08, 1974 Adaptation is crucial to realise high data rate transmission in multicarrier communication systems over dispersive channels. Apart from rate/power adaptation enabled by orthogonal frequency division multiplexing (OFDM), OFDM/offset QAM (OFDM/OQAM ...
Du, Jinfeng, Signell, Svante
core +5 more sources
Orbital angular momentum and beyond in free-space optical communications. [PDF]
Nanophotonics, 2022 Abstract Orbital angular momentum (OAM), which describes tailoring the spatial physical dimension of light waves into a helical phase structure, has given rise to many applications in optical manipulation, microscopy, imaging, metrology, sensing, quantum science, and optical communications. Light beams carrying OAM feature two distinct characteristics,
Wang J +5 more
europepmc +2 more sources
An Analysis of Algebraic Codes over Lattice Valued Intuitionistic Fuzzy Type-3 R-Submodules. [PDF]
Comput Intell Neurosci, 2022 In the last few decades, the algebraic coding theory found widespread applications in various disciplines due to its rich fascinating mathematical structure. Linear codes, the basic codes in coding theory, are significant in data transmission. In this article, the authors’ aim is to enlighten the reader about the role of linear codes in a fuzzy ...
Riaz A +4 more
europepmc +2 more sources
Journal of Computer Networks and Communications, 2017 We analyse some of the candidates for modulations for 5G: FBMC-OQAM, GFDM-OQAM, and WCP-COQAM. Unlike most of the related bibliographies, which are oriented to mobile communications, our research is focused on 5G in cognitive radio based industrial ...
Aitor Lizeaga +3 more
doaj +2 more sources
Real Signal Equalization for OQAM [PDF]
IEEE Signal Processing Letters, 2020 This correspondence proposes the use of a real-only equalizer (ROE), which acts on real signals derived from the received offset quadrature amplitude modulation (OQAM) symbols. For the same fading channel, we prove that both ROE and the widely linear equalizer (WLE) yield equivalent outputs. Hence, these exhibit the same performance.
Md Navid Akbar, Mohammad Saquib
openaire +2 more sources
Performance study of HF communication using NOMA over narrowband HF channel
IET Communications, Volume 17, Issue 14, Page 1683-1690, August 2023., 2023 The novelty of this research is to increase the bit rate on high frequency (HF) systems. Non‐orthogonal multiple access technique (NOMA) technology is used over HF at narrow band 3 kHz ranges. In order to have real experiments SDR Hack RF systems are used, and the results show improvement in bit rate up to 45%.
Ahmad Ismail, Kamal Mohamedpour
wiley +1 more source
IET Signal Processing, Volume 17, Issue 6, June 2023., 2023 A dual‐function radar‐communications (DFRC) system based on the circulating code array is presented to address the contradiction between radar and communications system in beam scanning and beam coverage. Processed orthogonal frequency‐division multiplexing (OFDM) signal is transmitted by the circulating code array as the base signal to improve the ...
Yu Zhou +4 more
wiley +1 more source
Continuous unconstrained PSO‐PTS strategy to maximize HPA energy efficiency for FBMC‐OQAM systems
IET Communications, Volume 17, Issue 5, Page 614-631, March 2023., 2023 This paper theorizes the optimal FBMC‐OQAM signal distribution (OFSD), which has a global and steady feature and evaluates the maximal HPA efficiency‐suited multi‐carrier modulation (MCM) signal. The intelligent enhanced PTS algorithm traces the signal distribution for maximal HPA efficiency to keep supply‐side energy‐saving.
Yuan Lu +4 more
wiley +1 more source