Results 71 to 80 of about 3,698 (177)
A TECHNICAL REVIEW OF PEAK TO AVERAGE POWER RATIO REDUCTION IN MIMO-OFDM
, 2016 In this paper, detailed review of bit error rate (BER) and peak to average power ratio (PAPR) reduction in multiple input multiple output-orthogonal frequency division multiplexing (MIMO-OFDM) and performance analysis of OFDM in various channel is given.
Neha Therkar*, Rohit Rathor
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A peak to average power ratio reduction scheme to increase power efficiency in broadband communication systems [PDF]
, 2014 Enhanced partial transmit sequence (EPTS) and cross-correlation-PTS are two techniques for reducing peak-to-average power ratio (PAPR) in orthogonal frequency division multiplexing (OFDM) systems.
Borhanuddin M Ali +5 more
core +1 more source
Precoding in MIMO, OFDM to reduce PAPR (Peak to Average Power Ratio)
, 2012 One of the critical issues of systems utilizing Orthogonal Frequency Division Multiplexing (OFDM) is the high peak to the average power ratio of OFDM signals. We have used Precoding as a way to mitigate the PAPR problem.
Khan, Yasir Ali +2 more
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A method of reducing peak-to-average power ratio (PAPR)
, 2011 A method of reducing peak-to-average power ratio (PAPR) in orthogonal frequency division multiplex (OFDM) systems is provided, wherein the method includes the steps of generating a matrix of random phase sequence based on interleaved formation, adding of
Mohd Ali, Borhanuddin +2 more
core
Peak-to-average power ratio reduction based on cross-correlation in OFDM systems [PDF]
, 2014 Two of the most important techniques of Peak-to-average power ratio (PAPR) reduction in orthogonal frequency division multiplexing (OFDM) systems are Partial Transmit Sequence PAPR (PTS-PAPR) and Cross-Correlation-PTS.
Sulaiman, Nasri +11 more
core +1 more source
New SLM scheme to reduce the PAPR of OFDM signals using a genetic algorithm
ICT Express, 2016 Selected mapping (SLM) is a popular peak-to-average power ratio (PAPR) reduction technique suitable for use in orthogonal frequency division multiplexing (OFDM) systems as it achieves good PAPR reduction performance without signal distortion.
Insoo Sohn
doaj +1 more source
A Low-Density Parity-Check Code Search Algorithm for Low Peak-to-Average Power Ratio
, 2007 Orthogonal Frequency Division Multiplexing (OFDM) is popular modulation scheme for wireless system. Because OFDM has advantages of multipath-delay-spread tolerance, immunity to frequency selective fading channel and high spectral efficiency, many ...
范君霖, Fan, Chun-Lin
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Design and Implementation of OFDM transmitter with Low Peak-to-Average Power Ratio
, 2007 High Peak-to-Average Power Ratio (PAPR) poses serious problem for the analog front end power amplifier design of Orthogonal Frequency Division Multiplexing (OFDM) systems. In this paper, an OFDM transmitter with PAPR reduction is proposed.
Wang, Ya-Cheng, 王亞群
core
Al-Khawarizmi Engineering Journal, 2019 One of the serious problems in any wireless communication system using multi carrier modulation technique like Orthogonal Frequency Division Multiplexing (OFDM) is its Peak to Average Power Ratio (PAPR).It limits the transmission power due to the ...
Ahmed K. Hassan
doaj
A PAPR Reduction Method With EVM Constraints for OFDM Systems
IEEE Access, 2019 In orthogonal frequency division multiplexing (OFDM) systems, high peak to average power ratio (PAPR) is one of its core issues. The OFDM signal with high PAPR passes high-power amplifier (HPA) will result in severely nonlinear distortions, which not ...
Yajun Wang, Mengmeng Wang, Zhibin Xie
doaj +1 more source