Results 41 to 50 of about 5,997,708 (388)
Design of OFDM-IM system based on IRS-assisted
Dianxin kexue, 2023 Index modulation (IM) and intelligent reflecting surface (IRS) are emerging mobile communication technologies.In order to improve the reliability of traditional orthogonal frequency division multiplexing (OFDM) system, an orthogonal frequency division ...
Mengmeng ZHAO, Liming HE, Fangfang LIU
doaj
IEEE Photonics Journal, 2022 This paper investigates optical orthogonal frequency division multiplexing (O-OFDM) systems with index modulation (IM) based on discrete Hartley transform (DHT) for visible light communications (VLC). An interesting trade-off between spectral efficiency (
Xian-Ying Xu, Qi Zhang, Dian-Wu Yue
doaj +1 more source
Terahertz Wireless Communications With Flexible Index Modulation Aided Pilot Design [PDF]
IEEE Journal on Selected Areas in Communications, 2021 Terahertz (THz) wireless communication is envisioned as a promising technology, which is capable of providing ultra-high-rate transmission up to Terabit per second.
Tianqi Mao, Zhaocheng Wang
semanticscholar +1 more source
Variability of the Pulsed Radio Emission from the Large Magellanic Cloud Pulsar PSR J0529-6652 [PDF]
, 2012 We have studied the variability of PSR J0529-6652, a radio pulsar in the LMC, using observations conducted at 1390 MHz with the Parkes 64-m telescope.
Altemose, Dean +3 more
core +3 more sources
Secure Index and Data Symbol Modulation for OFDM-IM
IEEE Access, 2017 In this paper, we propose a secure index and data symbol modulation scheme for orthogonal frequency division multiplexing with index modulation (OFDM-IM) systems.
Yonggu Lee +3 more
doaj +1 more source
LDPC Decoding With Low Complexity for OFDM Index Modulation
IEEE Access, 2021 In this paper, the posterior probabilities of the low-density parity check (LDPC) coded bits are derived for the orthogonal frequency division multiplexing index modulation (OFDM-IM) system to reduce the implementation complexity of LDPC decoding without
Eunchul Yoon +3 more
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Active plasmonic devices and optical metamaterials [PDF]
, 2009 We studied active near-infrared metamaterials based on phase transition of vanadium oxide thin films, asymmetrically coupled split-ring resonators for narrowing resonance line-widths , field effect modulation of plasmon propagation and 3D single layer ...
Atwater, Harry A. +8 more
core +1 more source
Multi-Hop Index Modulation-Aided OFDM With Decode-and-Forward Relaying
IEEE Access, 2018 In this paper, we propose a multi-hop index modulation-aided orthogonal frequency-division multiplexing (IM-aided OFDM) system, which employs decode-and-forward (DF) relaying techniques to enable the transmission of information from source to destination
Zhongli Wang +2 more
doaj +1 more source
ETRI Journal, 2022 In this study, a novel group-indexed orthogonal frequency division multiplexing index modulation (OFDM-IM) scheme is proposed to achieve a tradeoff between spectral efficiency (SE) and bit-error-rate (BER) performance.
Thomas Wilfred Edison Athisaya Anushya +2 more
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Joint Radar-Communication System Design Based on FDA-MIMO via Frequency Index Modulation
IEEE Access, 2023 The index modulation based on multiple-antenna architecture is a prospective information embedding approach for the joint radar-communication system (JRCS).
Mengjiao Li, Wen-Qin Wang
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