Results 71 to 80 of about 791 (136)

Volterra Expansion Based Intra Channel Nonlinear Effect Equalization Method for Optical OFDM/OQAM Systems

open access: yesIEEE Access, 2020
Optical orthogonal frequency-division multiplexing offset quadrature amplitude modulation (O-OFDM/OQAM) system relaxes the orthogonal condition of the sub-carriers from the complex domain to the real field.
Xi Fang   +4 more
doaj   +1 more source

Design and Validation of the Physical Layer Functions of FBMC/OQAM Transceiver With Improved Residual Phase Error Correction

open access: yesIEEE Access, 2022
In this paper, we report experimental results on the development and improvement of the physical layer functions of a filter bank multicarrier with off-set quadrature amplitude modulation (FBMC/OQAM) transceiver using a testbed implemented with ...
Khaled A. Alaghbari   +4 more
doaj   +1 more source

A Journey from Improper Gaussian Signaling to Asymmetric Signaling

open access: yes, 2020
The deviation of continuous and discrete complex random variables from the traditional proper and symmetric assumption to a generalized improper and asymmetric characterization (accounting correlation between a random entity and its complex conjugate ...
Alouini, Mohamed-Slim   +3 more
core   +1 more source

Efficient DCT-MCM Detection for Single and Multi-Antenna Wireless Systems [PDF]

open access: yes, 2017
The discrete cosine transform (DCT) based multicarrier modulation (MCM) system is regarded as one of the promising transmission techniques for future wireless communications.
Cao, Aijun   +5 more
core   +1 more source

Sparse Channel Estimation for MIMO-FBMC/OQAM Wireless Communications in Smart City Applications

open access: yesIEEE Access, 2018
5G is expected to be the wireless communications technology in future smart city applications. Filter bank multicarrier employing offset quadrature amplitude modulation (FBMC/OQAM) technology is considered as a candidate transmission scheme for 5G ...
Han Wang
doaj   +1 more source

Cyclic prefix-based universal filtered multicarrier system and performance analysis [PDF]

open access: yes, 2016
Recently proposed universal filtered multicarrier (UFMC) system is not an orthogonal system in multipath channel environments and might cause significant performance loss.
Quddus, Atta, Xiao, Pei, Zhang, Lei
core   +1 more source

On Spectral Coexistence of CP-OFDM and FB-MC Waveforms in 5G Networks

open access: yes, 2017
Future 5G networks will serve a variety of applications that will coexist on the same spectral band and geographical area, in an uncoordinated and asynchronous manner.
Bader, Faouzi   +2 more
core   +2 more sources

SC-FDE for Offset Modulations: An Efficient Transmission Technique for Broadband Wireless Systems [PDF]

open access: yes, 2012
It is widely accepted that SC-FDE (Single-Carrier with Frequency-Domain Equalization) is an excellent candidate for broadband wireless systems, especially when an efficient power amplification is intended.
Carvalho, Paulo Montemuza   +2 more
core   +1 more source

Joint Symbol Timing and Channel Estimation for FBMC-OQAM Systems

open access: yesIEEE Access, 2019
Filter bank multicarrier with offset quadrature amplitude modulation (FBMC-OQAM) can achieve very low out-of-band radiation and is considered to be an important candidate waveform for future communication networks.
Liming Li   +4 more
doaj   +1 more source

Filter Bank Multicarrier for Massive MIMO

open access: yes, 2014
This paper introduces filter bank multicarrier (FBMC) as a potential candidate in the application of massive MIMO communication. It also points out the advantages of FBMC over OFDM (orthogonal frequency division multiplexing) in the application of ...
Doyle, Linda E.   +3 more
core   +1 more source

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