NDLI: Cross-layer throughput optimization using adaptive PHY/MAC layer techniques: A unified approach

Content Provider	IEEE Xplore Digital Library
Author	Odejide, O. Annamalai, A.
Copyright Year	2011
Description	Author affiliation: Center of Excellence for Communication Systems Technology Research (CECSTR), Department of Electrical and Computer Engineering, Prairie View A&M University, TX 77446, USA (Odejide, O.; Annamalai, A.)
Abstract	This article develops a unified mathematical framework for maximization of the user throughput over generalized wireless channels using the symbol rate, packet length and constellation size of two distinct classes of digital modulation schemes (M-PSK and M-QAM) as optimization variables. First, we show that the throughput optimization problem for truncated selective-repeat automatic repeat request (SR-ARQ) is identical to that of no retransmission case ( $N^{MAX}$ = 0 ) or the conventional SR-ARQ ( $N^{MAX}$ = ∞ ) protocol that guarantees the end-to-end delivery of packet. Subsequently, we derive optimization equations for each of the above degrees of freedom in closed-form. A simple algorithm for triplet-parameter optimization is also presented. Numerical results reveal that it is sufficient to adapt symbol rate alone in the low average signal-to-noise (SNR) regime while joint optimization of both the packet length and the constellation size parameters is required in the high average SNR regime, to achieve maximum throughput in a myriad of wireless fading environments.
Starting Page	925
Ending Page	929
File Size	494260
Page Count	5
File Format	PDF
ISBN	9781457713460
e-ISBN	9781457713484
e-ISBN	9781457713477
DOI	10.1109/PIMRC.2011.6140104
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-09-11
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Throughput Fading Optimization Signal to noise ratio Modulation Wireless communication Protocols throughput optimization cross-layer design optimization adaptive transmission techniques
Content Type	Text
Resource Type	Article

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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
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