Low Cost Journal,International Peer Reviewed and Refereed Journals,Fast Paper Publication approved journal IJEDR(ISSN 2321-9939)
apply for ugc care approved journal, UGC Approved Journal, ugc approved journal, ugc approved list of journal, ugc care journal, care journal, UGC-CARE list, New UGC-CARE Reference List, UGC CARE Journals, ugc care list of journal, ugc care list 2020, ugc care approved journal, ugc care list 2020, new ugc approved journal in 2020,
Low cost research journal, Online international research journal, Peer-reviewed, and Refereed Journals, scholarly journals, impact factor 7.37 (Calculate by google scholar and Semantic Scholar | AI-Powered Research Tool)
PAPR Reduction in OFDM using SQRT and Mu-Law Companding Techniques
V.Tejaswini,  K.Upendra Chowdary
Orthogonal Frequency Division Multiplexing (OFDM) is considered to be a promising technique against the multipath fading channel for wireless communications. OFDM is well known Technique for transmitting large data Over Radio waves. It has several advantages such as high number of orthogonal sub-carriers, no Inter-Symbol Interference, high spectral efficiency, tolerance in multipath delay spread, power efficiency, frequency selective fading immunity etc. Its main disadvantage is PAPR (Peak to Average Power Ratio) nothing but several sinusoidal leads that are a major drawback of multicarrier transmission system which leads to power inefficiency in RF section of the transmitter. These high peaks produce signal excursions into non-linear region of operation of the Power Amplifier (PA) at the transmitter, thereby leading to non-linear distortions and spectral spreading. In fact, PAPR in OFDM system is the most detrimental aspect which degrades power and spectral spreading. This paper presents Reduction of PAPR using mu-law and square root companding techniques. These Proposed techniques show better performance for reduction in PAPR.
Keywords- Orthogonal Frequency Division Multiplexing (OFDM), Peak-to-Average Power Ratio (PAPR), Bit Error Rate (BER) Square Root Companding Technique (SQRT), mu-law
Unique Identification Number - IJEDR1703003Page Number(s) - 17-22Pubished in - Volume 5 | Issue 3 | July 2017DOI (Digital Object Identifier) -    Publisher - IJEDR (ISSN - 2321-9939)
Cite this Article
V.Tejaswini,  K.Upendra Chowdary,   "PAPR Reduction in OFDM using SQRT and Mu-Law Companding Techniques"
, International Journal of Engineering Development and Research (IJEDR), ISSN:2321-9939, Volume.5, Issue 3, pp.17-22, July 2017, Available at :http://www.ijedr.org/papers/IJEDR1703003.pdf