Results 51 to 60 of about 3,552 (166)

All-optical orthogonal frequency division multiplexing (OFDM) transmitter

open access: yes, 2015
The invention relates to an all-optical orthogonal frequency division multiplexing (OFDM) transmitter for generating an OFDM output signal. The transmitter comprises a first time-domain optical Fourier transform (OFT) assembly, the first OFT assembly is of a K-D-K configuration and comprises in said order a first phase modulator, a dispersive element ...
Guan, Pengyu   +2 more
openaire   +1 more source

PAPR reduction using polynomial based compressing with Rapp model in GFDM

open access: yese-Prime: Advances in Electrical Engineering, Electronics and Energy
Generalized Frequency Division Multiplexing (GFDM) has been considered as an attractive candidate to replace Orthogonal Frequency Division Multiplexing (OFDM) for the fifth generation (5 G) mobile networks. GFDM system has better spectral characteristics
P.V. Naganjaneyulu   +3 more
doaj   +1 more source

OFDM Signal Research with Varied Subcarriers Number

open access: yesTransport and Telecommunication, 2016
The orthogonal frequency division multiplexing (OFDM) aggregate signal energy characteristics are studied based on the OFDM signal simulation model. The information reliability of OFDM signal is explored for different sets of OFDM subcarrier numbers and ...
Uryvsky Leonid, Osypchuk Serhii
doaj   +1 more source

Implementasi dan Evaluasi Kinerja Orthogonal Frequency Division Multiplexing (OFDM) Menggunakan WARP

open access: yesJurnal Teknik ITS, 2015
Salah satu permasalahan dalam perkembangan teknologi telekomunikasi yaitu bagaimana mencapai data rate yang besar namun dengan bandwidth yang tidak lebih besar dari bandwidth koheren kanal untuk menghindari terjadinya Inter-Symbol Interference (ISI). Salah satu solusi yang ditawarkan yaitu transmisi multi-carrier.
Hasan Hasan   +2 more
openaire   +1 more source

PERANCANGAN DAN IMPLEMENTASI SISTEM ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING (OFDM) DENGAN MENGGUNAKAN DSK-TMS320C6713

open access: yesJurnal Elektro dan Telekomunikasi Terapan, 2016
OFDM adalah salah satu teknik transmisi yang menggunakan beberapa buah frequency subcarrier yang saling tegak lurus (orthogonal). Karakteristik yang saling tegak lurus membuat frequency subcarrier dapat saling overlap tanpa menimbulkan interferensi.
Yusup Mulyadi   +2 more
openaire   +2 more sources

Reed Solomon Coding in Orthogonal Frequency Division Multiplexing (OFDM) Communication Systems

open access: yesJournal of Engineering and Sustainable Development, 2012
This paper presents a MATLAB simulation that has been developed to investigate Orthogonal Frequency Division Multiplexing (OFDM) communication system using Reed Solomon (RS) Coding process. The efficient encoding and decoding algorithm, and the powerful of error correction capability of Reed Solomon Coding make it one of the most widely used error ...
Kadhum Al-Majdi   +2 more
openaire   +1 more source

Orthogonal Frequency Division Diversity and Multiplexing for 6G OWC: Principle and Underwater Use Case

open access: yesPhotonics
In this paper, we, for the first time, propose and demonstrate an orthogonal frequency division diversity and multiplexing (OFDDM) scheme for the sixth-generation (6G) underwater optical wireless communication (UOWC) systems.
Jiamin Chen   +8 more
doaj   +1 more source

The Performance of Turbo Coded Orthogonal Frequency Division Multiplexing System over Flat Rayleigh Fading Channel

open access: yesJournal 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  

Comparative Analysis between OFDMA and SC-FDMA: Model, Features and Applications

open access: yesInternational 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
doaj  

Comparative Analysis of Polar Coded F-OFDM and UFMC 5G NR Waveforms [PDF]

open access: yesIranian Journal of Electrical and Electronic Engineering
Fifth 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  

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