• No results found

Peak–to-Average Power Ratio (PAPR)

Reducing Peak to Average Power Ratio of a Turbo Coded OFDM

Reducing Peak to Average Power Ratio of a Turbo Coded OFDM

... to Average Power Ratio (PAPR) is defined as the instantaneous power (maximum value) to the average power ...ratio. PAPR is considered to be a major problem ...

8

Various Methods to reduce the Peak to Average Power Ratio in Orthogonal Frequency Division Multiplexing

Various Methods to reduce the Peak to Average Power Ratio in Orthogonal Frequency Division Multiplexing

... high peak to average power ratio (PAPR) ...high peak to average ratio of power provides high peak signals as input to high power amplifiers ...

8

Capacity Maximization and Error Rate Performance of OFDM using MIMO in Software Defined Radio

Capacity Maximization and Error Rate Performance of OFDM using MIMO in Software Defined Radio

... signal peak with respect to the average signal level, which give rise to large Peak-to-Average Power ...Ratio. Peak to Average Power Ratio happens due ...

9

Reduction of paper in 
		orthogonal frequency division multiplexing using optimal search partial 
		transmit sequence technique

Reduction of paper in orthogonal frequency division multiplexing using optimal search partial transmit sequence technique

... High peak to average power ratio (PAPR) in transmitted signal is one of the major disadvantages of OFDM ...reduce peak to average power ...high peak to ...

5

Performance Improvement of OFDM system and PAPR Reduction

Performance Improvement of OFDM system and PAPR Reduction

... better PAPR performance when compared to the SLM and Clipping ...in PAPR leads to better overall performance of the OFDM ...of Peak to Average Power Ratio ...better PAPR ...

7

PAPR Reduction in OFDM

PAPR Reduction in OFDM

... large Peak to Average Power Ratio ...large PAPR is due to the superposition of N independent equally spaced subcarriers at the output of the Inverse Fast Fourier Transform (IFFT) in the ...

5

PAPR Reduction in OFDM with Partial Transmit Sequence Technique using Median Filter

PAPR Reduction in OFDM with Partial Transmit Sequence Technique using Median Filter

... in Peak to average power ratio (PAPR) in Orthogonal frequency division multiplexing (OFDM) by Partial Transmit Sequence (PTS) using median ...

5

Designing a Novel PTS Method to Reduce Peak to Average Power Ratio in OFDM

Designing a Novel PTS Method to Reduce Peak to Average Power Ratio in OFDM

... (OFDM). Peak to Average Power Ratio (PAPR) is one of the known key acknowledged confines of ...Reduced PAPR at OFDM transmitter helps power amplifier to operate in stable ...

5

An implementation of peak to average power ratio reduction for multicarrier system (orthogonal frequency division multiplexing)

An implementation of peak to average power ratio reduction for multicarrier system (orthogonal frequency division multiplexing)

... ( PAPR) merupakan kekangan utama yang menyebabkan keadaan tak linear pada bahagian ...pengurangan PAPR diutarakan untuk mengatasi masalah ...pengurangan PAPR telah dikaji dengan dua teknik ...

42

A Peak to Average Power Ratio (PAPR) Reduction in OFDM Systems

A Peak to Average Power Ratio (PAPR) Reduction in OFDM Systems

... offset, peak to average power ratio (PAPR) and channel ...high peak amplitude and produces high peak to average power ratio ...high PAPR many ...

7

Evaluation performance of ofdm system using the selected mapping technique for wimax technology

Evaluation performance of ofdm system using the selected mapping technique for wimax technology

... One of the major disadvantages of OFDM systems is that the OFDM signal has high Peak to Average Power Ratio (PAPR), and to deal with this problem many typical techniques have been ...

38

(Peak to Average Power Ratio) Reduction Techniques in OFDM(Orthogonal Frequency Division Multiplexing) System

(Peak to Average Power Ratio) Reduction Techniques in OFDM(Orthogonal Frequency Division Multiplexing) System

... In this a set of sufficiently different data blocks representing the information same as the original data blocks are selected. Selection of data blocks with low PAPR value makes it suitable for transmission. It ...

6

MODELING AND SIMULATION OF GRID CONNECTED PHOTOVOLTAIC DISTRIBUTED GENERATION 
SYSTEM

MODELING AND SIMULATION OF GRID CONNECTED PHOTOVOLTAIC DISTRIBUTED GENERATION SYSTEM

... non-linear power amplifier, resulting to the interference of adjacent ...high PAPR(Peak to Average Power Radio) of multi-carrier modulation signals put forwards high requirements for ...

5

A Study on PAPR Reduction on Spectrum and Energy Efficiencies in Orthogonal Frequency Division Multiplexing with PTS Technique

A Study on PAPR Reduction on Spectrum and Energy Efficiencies in Orthogonal Frequency Division Multiplexing with PTS Technique

... the power consumption is reduced when the PTS scheme is employed in OFDM systems as compared with other PAPR reduction ...the PAPR can improve the SE and EE performances for OFDM systems and the ...

5

A joint OFDM PAPR reduction and data decoding scheme with no SI estimation

A joint OFDM PAPR reduction and data decoding scheme with no SI estimation

... For this reason, studies in [10–13] introduce alter- native methods where SLM-OFDM data decoding is achieved through some statistical SI estimation decision procedures without the need for SI transmission. These methods ...

12

Peak to Average Power Ratio Reduction Technique using LPC Coding in OFDM System

Peak to Average Power Ratio Reduction Technique using LPC Coding in OFDM System

... VLM preceded SLM technique for PAPR reduction in OFDM system work has been proposed by Md. Mahmudul Hasan in (2013) [3]. Used methodology, VLM precoding based SLM technique performances are evaluated to CCDF and ...

6

Performance Analysis of FBMC/O QAM System using Peak to Average Power Ratio

Performance Analysis of FBMC/O QAM System using Peak to Average Power Ratio

... different PAPR reduction techniques for FBMC/O-QAM were studied and ...from PAPR, FBMC/O-QAM with µ-law companding performs better than the FBMC/O-QAM, and clipped FBMC/O-QAM performs the best among the ...

6

Peak to Average Power Ratio Reduction Technique using LPC Coding in OFDM System

Peak to Average Power Ratio Reduction Technique using LPC Coding in OFDM System

... equalized power conditions where in band spectra is demodulated system and another value of M, can have valuable PAPR minimum with diminishing error performance to using LPC coding ...spectra power, ...

6

Peak-To-Average Power Ratio Reduction by CB-ACE and Adaptive Ace Algorithms

Peak-To-Average Power Ratio Reduction by CB-ACE and Adaptive Ace Algorithms

... the Peak-to-Average Power Ratio (PAPR) is to control both the clipping level and the convergence factor at each step and thereby minimize the peak power signal whichever ...

8

Performance Evaluation of Non linear Companding Transform MIMO OFDM

Performance Evaluation of Non linear Companding Transform MIMO OFDM

... This subsection derives the formulas of the new transform, whose companding function is defined by an inverse hyperbolic sine function with an inflexion point. Using this approach, the amplitude or power of the ...

5

Show all 10000 documents...

Related subjects