NDLI: An Overview of Peak-to-Average Power Ratio Reduction Techniques for OFDM Systems

Content Provider	IEEE Xplore Digital Library
Author	Luqing Wang Tellambura, C.
Copyright Year	2006
Description	Author affiliation: Dept. of Electr. & Comput. Eng., Alberta Univ., Edmonton, Alta. (Luqing Wang; Tellambura, C.)
Abstract	This paper reviews several peak-to-average power ratio (PAR) reduction techniques and the related optimization problems. Chipping-based PAR reduction techniques are related to convex optimization problems and the global optimum solutions are relatively easy to find. Probabilistic techniques result in discrete optimization. Although finding its global optima is difficult, moderate suboptimal solutions can be achieved with low computational cost. Coding is promising because of its inherit error-correcting property. However, its extremely low coding rate in cases of large number of subcarriers prevents its application. Many criteria involve in the selection of a PAR reduction technique, e.g., PAR reduction capacity, power increase, bit error rate increase, complexity, and throughput. A main consideration is that the cost of extra complexity for PAR reduction is lower than the cost of power inefficiency. Low complexity PAR reduction techniques may find application in mobile communications
Starting Page	840
Ending Page	845
File Size	2447642
Page Count	6
File Format	PDF
ISBN	0780397533
DOI	10.1109/ISSPIT.2006.270915
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-08-27
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Peak to average power ratio OFDM Bit error rate Costs Mobile communication Filtering Signal processing Information technology Computational efficiency Throughput
Content Type	Text
Resource Type	Article

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