Results 91 to 100 of about 4,474,307 (216)
Journal of Engineering and Sustainable Development, 2009 This work investigates the effectiveness of Turbo Codes and Orthogonal Frequency Division Multiplexing (OFDM) system, for communication over the flat Rayleigh fading additive white Gaussian noise (AWGN) channel. The Fast Fourier Transform (FFT) is used
Khamis A. Zidan +3 more
doaj
Journal of Electrical and Computer EngineeringOrthogonal frequency division multiplexing (OFDM) is a widely used modern communications technology due to its resistance to selective frequency fading and efficient use of spectrum. However, the security of OFDM signals remains a source of serious concern, especially in the face of network encryption that aims to disrupt communications or extract ...
Ammar Mohammedali Fadhil, Ali Y. Jaber
openaire +3 more sources
Coherent Optical OFDM Modem Employing Artificial Neural Networks for Dispersion and Nonlinearity Compensation in a Long-Haul Transmission System [PDF]
In order to satisfy the ever increasing demand for the bandwidth requirement in broadband services the optical orthogonal frequency division multiplexing (OOFDM) scheme is being considered as a promising technique for future high-capacity optical ...
Jarajreh, Mutsam Abdel-karim
core
Turbo-Coded Parallel Modem Techniques for Personal Communications
, 1997 In this paper we study the performance of the wideband Orthogonal Frequency Division Multiplexing (OFDM) system in conjunction with channel coding based on turbo codes over a range of wideband Rayleigh fading channels.
Woodard, J P, Keller, T, Hanzo, L
core +1 more source
Comparative Analysis between OFDMA and SC-FDMA: Model, Features and Applications
International Journal of Electrical Engineering and Applied Sciences, 2019 This paper represents Orthogonal Frequency Division Multiple Access (OFDMA) and Single Carrier Frequency Division Multiple Access (SCFDMA) techniques along with the Orthogonal Frequency Division Multiplexing (OFDM).
Abdullah Al-Mamun Bulbul +5 more
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Pengaruh Frequency Selectivity Pada Orthogonal Frequency Division Multiplexing (OFDM) [PDF]
, 2013 Orthogonal Frequency Division Multiplexing (OFDM) adalah suatu nama khusus dari multicarrier, dimana suatu aliran data berkecepatan tinggi ditransmisikan melalui sejumlah subcarrier berkecepatan rendah.
Ali Mustofa, ST., MT, Fahima Ulfi Tazkia., Ir. Endah Budi P, MT
core
Multilayer Hybrid Optical OFDM Design Scheme for Visible Light Communication
Guangtongxin yanjiuObjectiveThe paper aims to address the limitations of hybrid Optical-Orthogonal Frequency Division Multiplexing (O-OFDM) schemes, such as Layered Asymmetric Clipped Optical Orthogonal Frequency Division Multiplexing (LACO-OFDM), within Visible Light ...
LI Zongyan +4 more
doaj
, 2007 In this contribution, a nonlinear hybrid detection scheme based on a novel soft-information assisted Genetic Algorithm (GA) is proposed for a Turbo Convolutional (TC) coded Space Division Multiplexing (SDM) aided Orthogonal Frequency Division ...
Akhtman, Jos, Jiang, Ming, Hanzo, Lajos
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Comparative Analysis of Polar Coded F-OFDM and UFMC 5G NR Waveforms [PDF]
Iranian Journal of Electrical and Electronic EngineeringFifth Generation-New Radio (5G-NR) is an advanced air interface defined to fulfil diverse services with ubiquitous coverage in next generation Wireless networks.
Smita Jolania, Ravi Sindal
doaj
Performance investigation of 160 Gb/s inter-satellite laser communication transmission system based on OFDM and PDM transmission with advanced signal processing techniques. [PDF]
Sci RepArmghan A +6 more
europepmc +1 more source