Results 21 to 30 of about 255,843 (158)

A peak-to-average power ratio reduction method for mixed-numerology multi-carrier systems

open access: yesDianxin kexue, 2023
In order to support diverse service demands of communication scenarios, 5G adopts the mixed-numerology system based on orthogonal frequency division multiplexing (OFDM).The mixed-numerology systems still have the problem of high peak-to-average power ...
Nan SHI   +4 more
doaj   +2 more sources

Two-Stage Companding Scheme to Reduce Peak-to-Average Power Ratio for Safety Transportation Scenarios

open access: yesIEEE Access, 2019
Reliable wireless data transmission in intelligent transportation systems (ITS) has drawn a wide concern in recent years. As an efficient wireless transmission technology, multi-carrier communication (MCM) finds its way in many applications. However, the
Jun Hou   +5 more
doaj   +1 more source

Partial Transmit Sequences for Peak-to-Average Power Ratio Reduction in Multiantenna OFDM

open access: yesEURASIP Journal on Wireless Communications and Networking, 2007
The major drawback of orthogonal frequency-division multiplexing (OFDM) is its high peak-to-average power ratio (PAR), which gets even more substantial if a transmitter with multiple antennas is considered.
Christian Siegl, Robert F. H. Fischer
doaj   +1 more source

Investment of Cyclic Prefix to Reduce the Peak-to-Average Power Ratio and Recover Original Phases Blindly

open access: yesJournal of Communications Software and Systems, 2022
When dealing with the phenomenon of unexpected high peak-to-average power ratio (PAPR) caused by multicarrer techniques, it is rarely to find a proposed solution that addresses the most important challenges together, that are; reducing the PAPR ...
Mohammed I. Al-Rayif
doaj   +1 more source

Peak-to-Average Power Ratio Reduction of OTFS Based on Precoding DFT-Spread

open access: yesIEEE Access
Orthogonal time frequency space (OTFS) modulation can effectively combat the multipath and Doppler effects in doubly-selective channels, making it suitable for high-speed mobility scenarios.
Haiqing Guan   +4 more
doaj   +1 more source

Particle Swarm Optimization-based dummy sub-carriers insertion for peak to average power ratio reduction in OFDM systems

open access: yesICT Express, 2022
Orthogonal Frequency Division Multiplexing (OFDM) is the best choice for wireless and wired high data rate communications. The OFDM system has many advantages such as high spectral efficiency, robustness to channel fading, and immunity to impulse ...
Ahmed K. Abed   +2 more
doaj   +1 more source

Peak-to-Average Power Ratio Reduction of Carrier-Suppressed Optical SSB Modulation: Performance Comparison of Three Methods

open access: yesPhotonics, 2021
We compare the performances of three previously proposed methods to reduce the peak-to-average power ratio (PAPR) of the carrier-suppressed optical single-sideband (OSSB-SC) signal. PAPR of OSSB-SC signal becomes high due to the peaky Hilbert-transformed
K. I. Amila Sampath   +2 more
doaj   +1 more source

PEAK TO AVERAGE POWER RATIO REDUCTION TECHNIQUES

open access: yesInternational Journal of Computer Science and Mobile Computing, 2022
The most extensively used wireless communication system Multiple input multiple affair and orthogonal frequency division multiplexing because of their large benefits and advantages. MIMO OFDM has a major debit which makes the system noisy because of the harpoons in the transmitting signal. Harpoons produce noice and deformation. Different ways are used
T.V. Sripriya, D. Akhila, K. Shravan
openaire   +1 more source

Performance Analysis of Hybrid Peak to Average Power Ratio Reduction Techniques in 5G UFMC Systems

open access: yesIEEE Access, 2019
The universal filtered multi-carrier (UFMC) technique has been proposed as a prominent waveform candidate for fifth generation (5G) communication techniques.
Ali F. Almutairi   +2 more
doaj   +1 more source

Peak-to-Average Power Ratio Reduction of FBMC/OQAM Signal Using a Joint Optimization Scheme

open access: yesIEEE Access, 2017
Owing to the signal structure difference between the filter bank multicarrier with offset quadrature amplitude modulation (FBMC/OQAM) and the orthogonal frequency-division multiplexing (OFDM) systems, the existing technologies to reduce the peak-to ...
Junhui Zhao, Shanjin Ni, Yi Gong
doaj   +1 more source

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