Articles with "papr" as a keyword



Photo by iamashfaqalikasuri from unsplash

An effective hybrid approach for PAPR reduction in MIMO-OFDM

Sign Up to like & get
recommendations!
Published in 2019 at "Analog Integrated Circuits and Signal Processing"

DOI: 10.1007/s10470-019-01475-1

Abstract: Multi-input multi-output (MIMO) frameworks in blend with orthogonal frequency division multiplexing (OFDM) have drawn huge consideration for the next generation broadband multimedia applications because of their capability of giving high information rate, robustness to fading… read more here.

Keywords: papr; approach; reduce papr; mimo ofdm ... See more keywords
Photo from wikipedia

A novel improved SLM scheme of the PAPR reduction technology in CO-OFDM systems

Sign Up to like & get
recommendations!
Published in 2017 at "Optoelectronics Letters"

DOI: 10.1007/s11801-017-6265-9

Abstract: The higher peak-to-average power ratio (PAPR) is a major shortcoming of coherent optical orthogonal frequency division multiplexing (CO-OFDM) systems. Selective mapping (SLM) technology can effectively reduce the probability of high PAPR, but it has higher… read more here.

Keywords: scheme; papr; ofdm systems; novel improved ... See more keywords
Photo from wikipedia

Analysis of PAPR suppression scheme for next generation wireless system

Sign Up to like & get
recommendations!
Published in 2021 at "International Journal of Systems Assurance Engineering and Management"

DOI: 10.1007/s13198-021-01111-0

Abstract: Orthogonal frequency division multiplexing (OFDM) is a multiple carrier modulation scheme that makes use of orthogonal subcarriers to enhance the performance of system. The signal is transmitted in parallel form across the carrier in OFDM… read more here.

Keywords: system; scheme; papr suppression; analysis papr ... See more keywords
Photo by mdominguezfoto from unsplash

The fight against COVID-19: disinfection protocol and turning over of CleanSpace® HALO™ in a Singapore Hospital

Sign Up to like & get
recommendations!
Published in 2020 at "Updates in Surgery"

DOI: 10.1007/s13304-020-00809-3

Abstract: To the Editor-in-Chief, The COVID-19 pandemic has infected more than a 3 million patients, caused > 230,000 deaths, and have greatly impacted the lives of millions [1]. Singapore was one of the first countries outside… read more here.

Keywords: disinfection; cleanspace; hospital; covid ... See more keywords
Photo from wikipedia

Powered Air Purifying Respirator (PAPR) restores the N95 face mask induced cerebral hemodynamic alterations among Healthcare Workers during COVID-19 Outbreak

Sign Up to like & get
recommendations!
Published in 2020 at "Journal of the Neurological Sciences"

DOI: 10.1016/j.jns.2020.117078

Abstract: Abstract Background and aim COVID-19 pandemic has resulted in an unprecedented increased usage of Personal protective equipment (PPE) by healthcare-workers. PPE usage causes headache in majority of users. We evaluated changes in cerebral hemodynamics among… read more here.

Keywords: mask; n95 respirator; respirator mask; papr ... See more keywords
Photo by sakiii999 from unsplash

A Multi-Carrier $M$ -Ary Differential Chaos Shift Keying System With Low PAPR

Sign Up to like & get
recommendations!
Published in 2017 at "IEEE Access"

DOI: 10.1109/access.2017.2752238

Abstract: An improved multi-carrier $M$ -ary differential chaos shift keying (MM-DCSK) system is presented, where differential modulation and demodulation are carried out across multiple carriers in the frequency domain, so channel estimation is not needed. For… read more here.

Keywords: multi carrier; system; ary differential; carrier ary ... See more keywords
Photo by averey from unsplash

PAPR Reduction in the FBMC-OQAM System via Segment-Based Optimization

Sign Up to like & get
recommendations!
Published in 2018 at "IEEE Access"

DOI: 10.1109/access.2018.2794366

Abstract: Multicarrier modulation (MCM) schemes have been intensively studied and developed, because of their numerous advantages, which include high data rate and immunity to multipath fading. Among MCM schemes, filter bank multicarrier with offset quadrature amplitude… read more here.

Keywords: papr; oqam system; fbmc oqam;
Photo from wikipedia

A Review of Partial Transmit Sequence for PAPR Reduction in the OFDM Systems

Sign Up to like & get
recommendations!
Published in 2019 at "IEEE Access"

DOI: 10.1109/access.2019.2894527

Abstract: Orthogonal frequency division multiplexing (OFDM) is a superior technology for the high-speed data rate of wire-line and wireless communication systems. The OFDM has many advantages over other techniques such as its high capacity and immunity… read more here.

Keywords: partial transmit; transmit sequence; papr; papr reduction ... See more keywords
Photo by acfb5071 from unsplash

PAPR Reduction in MIMO-OFDM via Power Efficient Transmit Waveform Shaping

Sign Up to like & get
recommendations!
Published in 2022 at "IEEE Access"

DOI: 10.1109/access.2022.3172325

Abstract: In this paper we revisit the long standing problem of peak-to-average power ratio minimization in MIMO-OFDM systems, with a new angle of approach on a well-known scheme. Utilizing the principles of tone reservation, we place… read more here.

Keywords: papr reduction; papr; power; mimo ofdm ... See more keywords
Photo by enginakyurt from unsplash

PAPR-Aware Artificial Noise for Secure Massive MIMO Downlink

Sign Up to like & get
recommendations!
Published in 2022 at "IEEE Access"

DOI: 10.1109/access.2022.3186695

Abstract: This paper introduces a new approach to providing secure physical-layer massive multiple-input multiple-output (MIMO) based communications that can improve the energy efficiency of the system. This is achieved by synthesizing orthogonal artificial noise (AN) that… read more here.

Keywords: massive mimo; papr aware; papr; artificial noise ... See more keywords
Photo from wikipedia

Low PAPR OFDM-Based DCSK Design With Carrier Interferometry Spreading Codes

Sign Up to like & get
recommendations!
Published in 2018 at "IEEE Communications Letters"

DOI: 10.1109/lcomm.2018.2842196

Abstract: The multi-carrier aided non-coherent differential chaos shift keying (DCSK) modulated systems suffer from high peak-to-average power ratio (PAPR) due to the summations of multiple modulated signals. In this letter, we present a carrier interferometry (CI)… read more here.

Keywords: spreading codes; papr; carrier; based dcsk ... See more keywords