Results 121 to 130 of about 14,709 (232)
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
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
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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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Extremely low frequency based communication link
, 2009 The paper discusses the literature review and the possibility of using the ground itself as transmission medium for various users’ transceivers and an administrator transceiver using Multi-Carrier-Direct Sequence-Code Division Multiple Access (MC-DS-CDMA)
Holmes, Violeta +3 more
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Space-Time Block Coded Adaptive Modulation Aided OFDM
, 2001 Space-time block codes provide substantial diversity advantages for multiple transmit antenna systems at a low decoding complexity. In this contribution, we investigate the achievable diversity advantages in the context of adaptive modulation aided turbo
Liew, T.H., Hanzo, L.
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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
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Synchronization technics for OFDM systems
, 2006 [ENGLISH] The thesis deals with the problem of synchronization in Orthogonal Frequency Division Multiplexing (OFDM) systems. This modulation technique has been in existence since 1960, however, in the last years OFDM modulation is emerged as a key ...
Fusco, Tilde
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Interleaved Orthogonal Frequency Division Multiplexing System
, 2002 A new orthogonal frequency division multiplexing (OFDM) system for wireless communications over frequency selective fading channels is presented. The proposed interleaved orthogonal frequency division multiplexing (IOFDM) system promises higher code rate
Hari, KVS, Prasad, VGS
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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
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, 2006 —The achievable performance of channel coded spacetime trellis (STT) codes and space-time block (STB) codes transmitted over wideband channels is studied in the context of schemes having an effective throughput of 2 bits/symbol (BPS) and 3 BPS.
Liew, T.H., Hanzo, L.
core