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Impact of Positioning Error on Achievable Spectral Efficiency in Database-aided Networks

Onireti, OS, Imran, A, Imran, M and Tafazolli, R (2016) Impact of Positioning Error on Achievable Spectral Efficiency in Database-aided Networks In: IEEE International Conference on Communications, 2016-05-23 - 2016-05-27, Kuala Lumpur, Malaysia.

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Abstract

Database-aided user association, where users are associated with data base stations (BSs) based on a database which stores their geographical location with signal-to-noise-ratio tagging, will play a vital role in the futuristic cellular architecture with separated control and data planes. However, such approach can lead to inaccurate user-data BS association, as a result of the inaccuracies in the positioning technique, thus leading to sub-optimal performance. In this paper, we investigate the impact of database-aided user association approach on the average spectral efficiency (ASE). We model the data plane base stations using its fluid model equivalent and derive the ASE for the channel model with pathloss only and when shadowing is incorporated. Our results show that the ASE in database-aided networks degrades as the accuracy of the user positioning technique decreases. Hence, system specifications for database-aided networks must take account of inaccuracies in positioning techniques.

Item Type: Conference or Workshop Item (Conference Paper)
Subjects : Communications
Divisions : Faculty of Engineering and Physical Sciences > Electronic Engineering > Centre for Communication Systems Research
Authors :
AuthorsEmailORCID
Onireti, OSUNSPECIFIEDUNSPECIFIED
Imran, AUNSPECIFIEDUNSPECIFIED
Imran, MUNSPECIFIEDUNSPECIFIED
Tafazolli, RUNSPECIFIEDUNSPECIFIED
Date : 27 May 2016
Funders : Qatar National Research Fund
Uncontrolled Keywords : Control and data split architecture, Positioning error, Database-aided, Positioning technique, Location error.
Additional Information : © 2016 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Depositing User : Symplectic Elements
Date Deposited : 03 Feb 2016 12:17
Last Modified : 03 Feb 2016 12:17
URI: http://epubs.surrey.ac.uk/id/eprint/809900

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