NDLI: Power allocation for uplink SC-FDMA systems with arbitrary input distribution

Content Provider	IET Digital Library
Author	Ahmad, A.
Abstract	Existing power allocation schemes for single-carrier frequency division multiple access (SC-FDMA) systems are based on the assumption of Gaussian inputs. However, in practical systems, the inputs belong to a set of finite symbol alphabets. In this reported work the power allocation problem in the uplink SC-FDMA system with arbitrarily distributed finite power inputs is considered. An optimal solution to the problem is found by using the relationship between minimum mean-square error and mutual information. Simulation results show that solution allocates power in accordance to the modulation scheme employed and achieves significant power saving compared to schemes that assume Gaussian inputs.
Starting Page	111
Ending Page	113
Page Count	3
ISSN	00135194
Volume Number	52
e-ISSN	1350911X
Issue Number	Issue 2, Jan (2016)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/el/52/2
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/el.2015.1779
Journal	Electronics Letters
Publisher Date	2015-12-10
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Arbitrarily Distributed Finite Power Input Arbitrary Input Distribution Energy Conservation Finite Symbol Alphabet Frequency Division Multiple Access Gaussian Distribution Gaussian Input Interpolation And Function Approximation Least Mean Squares Method Minimum Mean-Square Error Modulation Modulation And Coding Method Modulation Scheme Multiple Access Communication Mutual Information Numerical Analysis Numerical Approximation And Analysis Power Allocation Scheme Power Saving Probability Theory Radio Link And Equipment Single-carrier Frequency Division Multiple Access System Statistics Stochastic Linearised SCUC Telecommunication Power Management Uplink SC-FDMA System
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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