Network aware spectrum efficiency metric for heterogeneous and dynamic radio environments

Aditya V. Padaki; Ravi Tandon; Jeffrey H. Reed

doi:10.1109/ACSSC.2014.7094732

Network aware spectrum efficiency metric for heterogeneous and dynamic radio environments

Aditya V. Padaki, Ravi Tandon, Jeffrey H. Reed

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

3 Scopus citations

Abstract

In this paper, we formalize a new definition for spectrum efficiency, with the specific goal of addressing the diverse needs and requirements of various technologies and users. Existing metrics for spectrum efficiency do not account for changing radio environments. Hence, they are insufficient for future systems which employ dynamic allocation schemes. We introduce a heuristic parameterized definition for spectrum efficiency dependent on the network dynamics, radio environment and diverse requirements of technologies. This metric accounts for the frequency use and reuse, interference footprint of a user, and has a parameter to specify priority/importance for users/bits (e.g. public safety). We study the behavior and the optimal transmit power to maximize the efficiency for a point-to-point link. We numerically evaluate the efficiency for a two user case, and discuss the trade-offs involved. Overall, the proposed metric accounts for the interplay between users in a network to evaluate efficiency of spectrum utilization.

Original language	English (US)
Title of host publication	Conference Record of the 48th Asilomar Conference on Signals, Systems and Computers
Editors	Michael B. Matthews
Publisher	IEEE Computer Society
Pages	1584-1588
Number of pages	5
ISBN (Electronic)	9781479982974
DOIs	https://doi.org/10.1109/ACSSC.2014.7094732
State	Published - Apr 24 2015
Externally published	Yes
Event	48th Asilomar Conference on Signals, Systems and Computers, ACSSC 2015 - Pacific Grove, United States Duration: Nov 2 2014 → Nov 5 2014

Publication series

Name	Conference Record - Asilomar Conference on Signals, Systems and Computers
Volume	2015-April
ISSN (Print)	1058-6393

Other

Other	48th Asilomar Conference on Signals, Systems and Computers, ACSSC 2015
Country/Territory	United States
City	Pacific Grove
Period	11/2/14 → 11/5/14

Keywords

Area spectral efficiency
Dynamic spectrum access
Spectrum efficiency
Spectrum sharing

ASJC Scopus subject areas

Signal Processing
Computer Networks and Communications

Access to Document

10.1109/ACSSC.2014.7094732

Cite this

Padaki, A. V., Tandon, R., & Reed, J. H. (2015). Network aware spectrum efficiency metric for heterogeneous and dynamic radio environments. In M. B. Matthews (Ed.), Conference Record of the 48th Asilomar Conference on Signals, Systems and Computers (pp. 1584-1588). Article 7094732 (Conference Record - Asilomar Conference on Signals, Systems and Computers; Vol. 2015-April). IEEE Computer Society. https://doi.org/10.1109/ACSSC.2014.7094732

Network aware spectrum efficiency metric for heterogeneous and dynamic radio environments. / Padaki, Aditya V.; Tandon, Ravi; Reed, Jeffrey H.
Conference Record of the 48th Asilomar Conference on Signals, Systems and Computers. ed. / Michael B. Matthews. IEEE Computer Society, 2015. p. 1584-1588 7094732 (Conference Record - Asilomar Conference on Signals, Systems and Computers; Vol. 2015-April).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Padaki, AV, Tandon, R & Reed, JH 2015, Network aware spectrum efficiency metric for heterogeneous and dynamic radio environments. in MB Matthews (ed.), Conference Record of the 48th Asilomar Conference on Signals, Systems and Computers., 7094732, Conference Record - Asilomar Conference on Signals, Systems and Computers, vol. 2015-April, IEEE Computer Society, pp. 1584-1588, 48th Asilomar Conference on Signals, Systems and Computers, ACSSC 2015, Pacific Grove, United States, 11/2/14. https://doi.org/10.1109/ACSSC.2014.7094732

Padaki AV, Tandon R, Reed JH. Network aware spectrum efficiency metric for heterogeneous and dynamic radio environments. In Matthews MB, editor, Conference Record of the 48th Asilomar Conference on Signals, Systems and Computers. IEEE Computer Society. 2015. p. 1584-1588. 7094732. (Conference Record - Asilomar Conference on Signals, Systems and Computers). doi: 10.1109/ACSSC.2014.7094732

Padaki, Aditya V. ; Tandon, Ravi ; Reed, Jeffrey H. / Network aware spectrum efficiency metric for heterogeneous and dynamic radio environments. Conference Record of the 48th Asilomar Conference on Signals, Systems and Computers. editor / Michael B. Matthews. IEEE Computer Society, 2015. pp. 1584-1588 (Conference Record - Asilomar Conference on Signals, Systems and Computers).

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AB - In this paper, we formalize a new definition for spectrum efficiency, with the specific goal of addressing the diverse needs and requirements of various technologies and users. Existing metrics for spectrum efficiency do not account for changing radio environments. Hence, they are insufficient for future systems which employ dynamic allocation schemes. We introduce a heuristic parameterized definition for spectrum efficiency dependent on the network dynamics, radio environment and diverse requirements of technologies. This metric accounts for the frequency use and reuse, interference footprint of a user, and has a parameter to specify priority/importance for users/bits (e.g. public safety). We study the behavior and the optimal transmit power to maximize the efficiency for a point-to-point link. We numerically evaluate the efficiency for a two user case, and discuss the trade-offs involved. Overall, the proposed metric accounts for the interplay between users in a network to evaluate efficiency of spectrum utilization.

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Network aware spectrum efficiency metric for heterogeneous and dynamic radio environments

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Keywords

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