Results 61 to 70 of about 4,010 (182)
A Novel PAPR Reduction Scheme Based on Deep Autoencoder Network for FBMC Systems
IEEE AccessFilter bank multicarrier (FBMC) is a crucial complementary waveform to orthogonal frequency-division multiplexing (OFDM) in future communication systems.
Xing Cheng +4 more
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Multispectrally Constrained Waveform Design for MIMO Radar Direction Finding
IET Radar, Sonar &Navigation, Volume 20, Issue 1, January/December 2026.This paper focuses on the design of transmit waveforms for multiple‐input‐multiple‐output (MIMO) radar systems in a spectrally crowded environment. The purpose is to improve the angle estimation performance of MIMO radar by minimising the asymptotic estimation bound of multiple signal classification (MUSIC) algorithm.
Da Li +4 more
wiley +1 more source
Research on PAPR reduction algorithm based on CWGAN-SLM for multi-wavelet OFDM system
Tongxin xuebao, 2023 In order to meet the demand for low peak to average ratio (PAPR) of orthogonal frequency division multiplexing (OFDM) technology in the future 6G satellite-ground integrated system, an algorithm combining selective mapping (SLM) algorithm and multi ...
Guang YANG +4 more
doaj +2 more sources
IEEE AccessIn this paper, we propose two peak-to-average power ratio (PAPR) reduction methods that apply adaptive in-band interference restriction based on singular value differences between spatial channels in uplink eigenmode massive multiple-input multiple ...
Yuta Abekura +4 more
doaj +1 more source
IEEE AccessThis paper proposes a peak-to-average power ratio (PAPR) reduction method that utilizes the null space in a multiple-input multiple-output (MIMO) channel for downlink MIMO-orthogonal frequency division multiplexing (OFDM) signals with multiple-antenna ...
Asuka Kakehashi +2 more
doaj +1 more source
Reducing the PAPR by utilisation of the LDPC code
IET Communications, 2009 Peak-to-average power ratio (PAPR) is a major drawback in most multi-carrier communication techniques such as orthogonal frequency division multiplex system (OFDM). OFDM consists of lots of independent modulated subcarriers, as a result the amplitude of such a signal can have very large values.
Omar Rawhi Daoud, Omar Alani
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PAPR-Aware Massive MIMO-OFDM Downlink
IEEE Access, 2019 We investigate the peak-to-average power ratio (PAPR) reduction problem in orthogonal frequency-division multiplexing-based massive multi-user (MU) multiple-input multiple-output (MIMO) downlink systems.
Rafik Zayani +2 more
doaj +1 more source
The Impact of OFDM-IM System Parameters on the Performance of the SLM PAPR Reduction Technique
NTU Journal of Engineering and TechnologyOrthogonal Frequency Division Multiplexing with Index Modulation (OFDM-IM) is an effective communication technology that utilizes subcarrier indices to transmit information in addition to the information traditionally modulated on active subcarriers ...
Zainab Mohammed Abdulkareem +2 more
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The PAPR and Simple PAPR Reduction of the 2D Spreading Based Communication Systems
Radioengineering, 2010 This paper deals with Peak to Average Power Ra- tio (PAPR) characteristics and the theory of variable spread- ing factor orthogonal frequency and code division multiplex- ing (VSF-OFCDM) systems. Comparison and evaluation of PAPR of VSF-OFCDM systems with various 2D spreading factors (SF) are done in time and in frequency domain.
Blumenstein, Jiri, Fedra, Zbynek
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