An Algorithm That Predicts CSI to Allocate Bandwidth for Healthcare Monitoring in Hospital's Waiting Rooms

An Algorithm That Predicts CSI to Allocate Bandwidth for Healthcare Monitoring in Hospital's Waiting Rooms

In wireless healthcare monitoring systems, bandwidth allocation is an efficient solution to the problem of scarce wireless bandwidth for the monitoring of patients. However, when the central unit cannot access the exact channel state information (CSI), the efficiency of bandwidth allocation decrease...

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Main Authors: Di Lin, Fabrice Labeau
Format: Article
Language:English
Published: Hindawi Limited 2012-01-01
Series:International Journal of Telemedicine and Applications
Online Access:http://dx.doi.org/10.1155/2012/843527
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spelling doaj-43e00848042447a782576e351dfa69cc2020-11-24T22:54:23ZengHindawi LimitedInternational Journal of Telemedicine and Applications1687-64151687-64232012-01-01201210.1155/2012/843527843527An Algorithm That Predicts CSI to Allocate Bandwidth for Healthcare Monitoring in Hospital's Waiting RoomsDi Lin0Fabrice Labeau1Department of Electrical and Computer Engineering, McGill University, Montreal, QC, H3A 2A7, CanadaDepartment of Electrical and Computer Engineering, McGill University, Montreal, QC, H3A 2A7, CanadaIn wireless healthcare monitoring systems, bandwidth allocation is an efficient solution to the problem of scarce wireless bandwidth for the monitoring of patients. However, when the central unit cannot access the exact channel state information (CSI), the efficiency of bandwidth allocation decreases, and the system performance also decreases. In this paper, we propose an algorithm to reduce the negative effects of imperfect CSI on system performance. In this algorithm, the central unit can predict the current CSI by previous CSI when the current CSI is not available. We analyze the reliability of the proposed algorithm by deducing the standard error of estimated CSI with this algorithm. In addition, we analyze the efficiency of the proposed algorithm by discussing the system performance with this algorithm.http://dx.doi.org/10.1155/2012/843527
collection DOAJ
language English
format Article
sources DOAJ
author Di Lin
Fabrice Labeau
spellingShingle Di Lin
Fabrice Labeau
An Algorithm That Predicts CSI to Allocate Bandwidth for Healthcare Monitoring in Hospital's Waiting Rooms
International Journal of Telemedicine and Applications
author_facet Di Lin
Fabrice Labeau
author_sort Di Lin
title An Algorithm That Predicts CSI to Allocate Bandwidth for Healthcare Monitoring in Hospital's Waiting Rooms
title_short An Algorithm That Predicts CSI to Allocate Bandwidth for Healthcare Monitoring in Hospital's Waiting Rooms
title_full An Algorithm That Predicts CSI to Allocate Bandwidth for Healthcare Monitoring in Hospital's Waiting Rooms
title_fullStr An Algorithm That Predicts CSI to Allocate Bandwidth for Healthcare Monitoring in Hospital's Waiting Rooms
title_full_unstemmed An Algorithm That Predicts CSI to Allocate Bandwidth for Healthcare Monitoring in Hospital's Waiting Rooms
title_sort algorithm that predicts csi to allocate bandwidth for healthcare monitoring in hospital's waiting rooms
publisher Hindawi Limited
series International Journal of Telemedicine and Applications
issn 1687-6415
1687-6423
publishDate 2012-01-01
description In wireless healthcare monitoring systems, bandwidth allocation is an efficient solution to the problem of scarce wireless bandwidth for the monitoring of patients. However, when the central unit cannot access the exact channel state information (CSI), the efficiency of bandwidth allocation decreases, and the system performance also decreases. In this paper, we propose an algorithm to reduce the negative effects of imperfect CSI on system performance. In this algorithm, the central unit can predict the current CSI by previous CSI when the current CSI is not available. We analyze the reliability of the proposed algorithm by deducing the standard error of estimated CSI with this algorithm. In addition, we analyze the efficiency of the proposed algorithm by discussing the system performance with this algorithm.
url http://dx.doi.org/10.1155/2012/843527
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