NDLI: Iterative optimization of FIR precoder for frequency-selective MIMO channel

Content Provider	IEEE Xplore Digital Library
Author	Zilong Zhang Xiaodong Xu
Copyright Year	2013
Description	Author affiliation: Dept. of Electr. Eng. & Inf. Sci., Univ. of Sci. & Technol. of China, Hefei, China (Zilong Zhang; Xiaodong Xu)
Abstract	The frequency selectivity of wireless channels makes the multiple-input multiple-output (MIMO) precoder design significantly more complicated than its counterpart in the frequency-flat fading channels. In this paper, a new precoder with finite impulse response (FIR) structure is proposed for maximizing the throughput of frequency-selective MIMO channels under an average transmit power constraint. We investigate an iteration mechanism by tracking two associated parameters, named as the innovation orientation and the iteration step size, so as to obtain the desired FIR precoding matrix. The convex optimization program and the traditional Gauss-Newton approach are exploited to derive the update equations and the relationship among different parameters. The analytical and numerical results are presented to indicate the efficiency of the proposed method in the high signal to noise ratio (SNR) regime.
Starting Page	75
Ending Page	80
File Size	139007
Page Count	6
File Format	PDF
e-ISBN	9781467356992
DOI	10.1109/WOCC.2013.6676344
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-05-16
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	frequency-selective MIMO precoding FIR
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
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