“PAPR Reduction techniques in OFDM System”: Review

  IJETT-book-cover  International Journal of Engineering Trends and Technology (IJETT)          
© 2016 by IJETT Journal
Volume-31 Number-4
Year of Publication : 2016
Authors : Himani Sharma, Amanjot Singh
DOI :  10.14445/22315381/IJETT-V31P233


Himani Sharma, Amanjot Singh"“PAPR Reduction techniques in OFDM System”: Review", International Journal of Engineering Trends and Technology (IJETT), V31(4),184-187 January 2016. ISSN:2231-5381. www.ijettjournal.org. published by seventh sense research group

Communication is one of the most important features of life.With its risingdemands,thegrowth in the field of communication is also increasing. Initially, the signal in the analogdomain were sent but now, signal in the digital domain are being send more. Single-carrier waves are being switched by multicarrier for improved transmission. Multicarrier system like CDMA and OFDM are currently being commonly implemented. In the OFDM system, orthogonally placed sub-carriers are being used to carry the information from the transmitter side to the receiver side. There are many problems in OFDM systems, the problem of ISI and noise can be removed using guard band , But the large Peak to average power ratio of these signal have some undesired effect on the system. In this paper, basicfocus is on learning the basics of an OFDM system and havecarry out various methods to reduce the PAPR in the system so that this system can be used more efficiently.


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OFDM, PAPR, SLM, PTS, Amplitude clipping and filtering.