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相关论文: Moment-Based Bound on Peak-to-Average Power Ratio …

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In this paper, we show bounds on Peak-to-Average Power Ratio (PAPR) and propose a method to reduce PAPR. These bounds are written in terms of moments of transmitted symbols. Further, we show some bounds in special cases and these special…

信息论 · 计算机科学 2019-09-17 Hirofumi Tsuda

We consider the issue of high peak-to-average-power ratio (PAPR) of Orthogonal time frequency space (OTFS) modulated signals. This paper proposes a low-complexity novel iterative PAPR reduction method which achieves a PAPR reduction of…

信息论 · 计算机科学 2025-01-22 Saurabh Prakash , Venkatesh Khammammetti , Saif Khan Mohammed

In this paper, the probability distribution of the peak to average power ratio (PAPR) is analyzed for the mixed numerologies transmission based on orthogonal frequency division multiplexing (OFDM). State of the art theoretical analysis…

信号处理 · 电气工程与系统科学 2019-11-26 Xiaoran Liu , Lei Zhang , Jun Xiong , Xiaoying Zhang , Li Zhou , Jibo Wei

A new work has been proposed in this paper in order to overcome one of the main drawbacks that found in the Orthogonal Frequency Division Multiplex (OFDM) systems, namely Peak to Average Power Ratio (PAPR). Furthermore, this work will be…

信息论 · 计算机科学 2016-09-07 Q. J. Hamarsheh , O. R. Daoud , M. M. Ali , A. A. Damati

The peak power problem in multicarrier waveforms is well-known and imposes substantial limitations on wireless communications. As the quest for investigation of enabling technologies for the next generation of wireless communication systems…

信息论 · 计算机科学 2016-04-12 Saeed Afrasiabi-Gorgani , Gerhard Wunder

High Peak to Average Power Ratio (PAPR) of the transmitted signal is a critical problem in multicarrier modulation systems (MCM) such as Orthogonal Frequency Division Multiplexing (OFDM), and Multi-Carrier Code Division Multiple Access (MC…

网络与互联网体系结构 · 计算机科学 2012-04-18 B. Sarala , D. S. Venkateswarulu , B. N. Bhandari

Orthogonal Frequency Division Multiplexing (OFDM) is widely used in many digital communication systems due to its advantages such us high bit rate, strong immunity to multipath and high spectral efficiency but it suffers a high…

信息论 · 计算机科学 2015-03-31 Martha C. Paredes Paredes , M. Julia Fernández-Getino García

OFDM signals demonstrates high fluctuations termed as Peak to Average Power Ratio (PAPR).The problem of OFDM is the frequent occurrence of high Peaks in the time domain signal which in turn reduces the efficiency of transmit high power…

信息论 · 计算机科学 2014-02-11 Smita Jolania , Sandeep Toshniwal

Peak to average power ratio (PAPR) constrained power allocation in single carrier multiuser (MU) single-input multiple-output (SIMO) systems with iterative frequency domain (FD) soft cancelation (SC) minimum mean squared error (MMSE)…

信息论 · 计算机科学 2016-11-17 Valtteri Tervo , Antti Tölli , Juha Karjalainen , Tad Matsumoto

Mixed-numerology transmission is proposed to support a variety of communication scenarios with diverse requirements. However, as the orthogonal frequency division multiplexing (OFDM) remains as the basic waveform, the peak-to average power…

信号处理 · 电气工程与系统科学 2019-11-06 Xiaoran Liu , Xiaoying Zhang , Lei Zhang , Pei Xiao , Jibo Wei , Haijun Zhang , Victor C. M. Leung

The OFDM waveform exhibits high fluctuation in the signal envelope which causes distortion in the nonlinear power amplifier of the transmitter. Peak-to-Average Power Ratio (PAPR) and Cubic Metric (CM) are the common metrics to quantify the…

信息论 · 计算机科学 2020-03-26 Saeed Afrasiabi-Gorgani , Gerhard Wunder

This paper presents performance analysis of an adaptive peak cancellation method to reduce the high peak-toaverage power ratio (PAPR) for OFDM systems, while keeping the out-of-band (OoB) power leakage as well as an in-band distortion power…

信号处理 · 电气工程与系统科学 2020-07-02 Tomoya Kageyama , Osamu Muta , Haris Gacanin

This work establishes the design, analysis, and fine-tuning of a Peak-to-Average-Power-Ratio (PAPR) reducing system, based on compressed sensing at the receiver of a peak-reducing sparse clipper applied to an OFDM signal at the transmitter.…

信息论 · 计算机科学 2015-05-27 Ebrahim B. Al-Safadi , Tareq Y. Al-Naffouri

We consider the problem of peak-to-average power ratio (PAPR) reduction in orthogonal frequency-division multiplexing (OFDM) based massive multiple-input multiple-output (MIMO) downlink systems. Specifically, given a set of symbol vectors…

信息论 · 计算机科学 2015-12-01 Hengyao Bao , Jun Fang , Zhi Chen , Hongbin Li , Shaoqian Li

This letter presents an improved peak cancellation (PC) scheme for peak-to-average power ratio (PAPR) reduction in orthogonal frequency division multiplexing (OFDM) systems. The main idea is based on a serial peak cancellation (SPC) mode…

信息论 · 计算机科学 2011-01-13 Lilin Dan , Yue Xiao , Wei NI , Shaoqian Li

We consider the problem of peak-to-average power ratio (PAPR) reduction in orthogonal frequency division multiplexing (OFDM) systems via optimized sparsification of tone reservation (TR). In particular, we propose a novel TR optimization…

信号处理 · 电气工程与系统科学 2024-07-31 Getuar Rexhepi , Kengo Ando , Giuseppe Thadeu Freitas de Abreu

Orthogonal Frequency Division Multiplexing (OFDM) is an efficient method of data transmission for high speed communication systems. However, the main drawback of OFDM system is the high Peak to Average Power Ratio (PAPR) of the transmitted…

网络与互联网体系结构 · 计算机科学 2012-05-11 Suverna Sengar , Partha Pratim Bhattacharya

We consider the problem of peak-to-average power ratio (PAPR) reduction for orthogonal frequency-division multiplexing (OFDM) based large-scale multiple-input multipleoutput (MIMO) systems. A novel perturbation-assisted scheme is developed…

信息论 · 计算机科学 2016-07-12 Hengyao Bao , Jun Fang , Zhi Chen , Tao Jiang

In this paper, we propose two low-complexity peak to average power ratio(PAPR) reduction algorithms for orthogonal frequency division multiplexing(OFDM) signals. The main content is as follows: First, a non-convex optimization model is…

信号处理 · 电气工程与系统科学 2025-09-18 Hao Su , Jiangtao Wang , Yongchao Wang

In this paper, two new companders are designed to reduce the ratio of peak to average power (PAPR) experienced by filter bank multicarrier (FBMC) signals. Specifically, the compander basic model is generalized, which alter the distributed…

信号处理 · 电气工程与系统科学 2021-08-10 Srinivas Ramavath , Umesh Chandra Samal
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