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OFDM modulation produces higher Peak Average Power Ratio (PAPR) whenever the carriers in OFDM symbol add synchronously in the time domain resulting in higher signal power. This high power saturates the power amplifier placed in the RF section res
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将OFDM技术运用在可见光通信的研究，并且把OFDM的高峰均比这一缺点进行了建设性的运用。-In
particular, the use of OFDM (orthogonal frequency division
multiplexing) for intensity modulation is investigated. The high
peak-to-average ratio (PAR) in OFDM is usually considered
a disadvant
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In Modulation schemes such as OFDM transmitter time domain signal will have higher PAPR, which leads to various distortions in the transmitter chain and degradation of system performance i.e. BER/PER. Also requires highly linear power amplifier which
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It is acode related to the Peak Average Power Ratio of the OFDM signal
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This paper depicts the development of Orthogonal
Frequency Division Multiplexing a historical perspective.
A summary of major research milestones are noted that
contributed to modern-day OFDM. These contributions
include the use of discrete F
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in peak to average power ratio (PAPR) reduction techniques, compare DFT Spreading techniques plays a vital role in sub varies
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MMSE channel estimation in peak to average power ratio (PAPR) reduction techniques
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ABSTRACT
In this paper, the design and implementation of OFDM system along with Multi-Point Square Mapping combined with PTS (M-PTS) technique has received much attention in reducing the high peak to average power ratio (PAPR) of Orthogonal Frequen
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“Analisa Teknik Reduksi Peak To Average Power Ratio Pada Sistem MIMO-OFDM Menggunakan Metode Hybrid Enhanced Iterative Flipping Partial Transmit Sequence Dan Tone Reservation Berbasis Perangkat Lunak”.
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Designing energy efficient mobile communication system is the main challenge for the LTE researchers due to
increasing of users and their demands in accessing broadband services on mobile phones. High data rate, reduced Bit Error
Rate (BER) and l
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Matlab code which implements MB-OFDM transmission block as per ECMA 368 standard.
OFDM over frequency selective wireless channels
simulation code for Peak-to-Average Power Ratio (PAPR) reduction in MIMO OFDM/A system using CMA
This is an OFDM s
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正交频分复用(OFDM)技术是一种可以有效对抗符号间干扰(ISI)的高速数据传输技术。OFDM是一种特殊的多载波调制方式，它的基本思想是将高速传输的数据流通过串/并转换，变成在若干个正交的窄带子信道上并行传输的低速数据流。OFDM接收机有三个关键技术：信道估计技术，降低峰均比(PAPR)技术和同步技术。OFDM技术能有效的对抗多径衰落等，有着诸多的优点，但是OFDM有一个发展瓶颈，即OFDM信号的峰均功率比很大，很容易导致OFDM信号的交调失真和系统性能的下降。因而如何降低OFDM信号的峰均功率
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Peak to average power ratio
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Peak to Average Power Ratio，峰均比(Peak to Average Power Ratio)
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tone reservation technique in peak to average power ratio
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papr using tone reservation
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Constant Modulus Algorithm for Peak-to-Average Power Ratio (PAPR) Reduction in MIMO OFDM/A
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Simulator for Peak-to-Average Power (PAR) Ratio Reduction
in the Large-Scale Multi-User (MU) MIMO-OFDM Downlink
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此程序仿真了降低PAPR的性能。OFDM的编码类技术降低系统峰均比。PTS作为其中一种，占有重要作用。(this program simulates the degrade the performance of PAPR. The coding technology of OFDM reduces the system peak to average power ratio. PTS as one, plays an important role.)
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