Cited by 68Wireless Communication Networks ResearchAdvanced Wireless Network OptimizationNetwork Traffic and Congestion Control

QoS Provisioning Dynamic Connection-Admission Control for Multimedia Wireless Networks Using a Hopfield Neural Network

Ahn, C.W., Ramakrishna, R.S.·2004·IEEE Transactions on Vehicular Technology

Abstract

This paper presents a quality-of-service (QoS) provisioning dynamic connection-admission control (CAC) algorithm for multimedia wireless networks. A multimedia connection consists of several substreams (i.e., service classes), each of which presets a range of feasible QoS levels (e.g., data rates). The proposed algorithm is mainly devoted to finding the best possible QoS levels for all the connections (i.e., QoS vector) that maximize resource utilization by fairly distributing wireless resources among the connections while maximizing the statistical multiplexing gain (i.e., minimizing the blocking and dropping probabilities). In the case of congestion (overload), the algorithm uniformly degrades the QoS levels of the existing connections (but only slightly) in order to spare some resources for serving new or handoff connections, thereby naturally minimizing the blocking and dropping probabilities (it amounts to maximizing the statistical multiplexing gain). The algorithm employs a Hopfield neural network (HNN) for finding a QoS vector. The problem itself is formulated as a multi-objective optimization problem. Hardware-based HNN exhibits high (computational) speed that permits real time running of the CAC algorithm. Simulation results show that the algorithm can maximize resource utilization and maintain fairness in resource sharing, while maximizing the statistical multiplexing gain in providing acceptable service grades. Furthermore, the results are relatively insensitive to handoff rates.

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Crossref · 10.1109/tvt.2003.822000

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Authors
Ahn, C. W., & Ramakrishna, R. S.
Affiliations
Gwangju Institute of Science and Technology (KR)
Venue
IEEE Transactions on Vehicular Technology
Published
2004-01
Volume
53
Issue
1
Pages
106-117
ISSN
0018-9545 (ISSN-L)
OpenAlex
W2119753046
Cited by
68
References
35
Citations by year
2024: 1 · 2023: 2 · 2022: 2 · 2021: 3 · 2018: 1 · 2016: 4 · 2015: 1 · 2014: 2 · 2013: 3 · 2012: 3
FWCI
7.49
Type
journal article
Language
en
Open access
closed
Locations
IEEE Transactions on Vehicular Technology (publishedVersion)
Topics
  • Physical Sciences › Computer Science › Computer Networks and Communications › Wireless Communication Networks Research
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Advanced Wireless Network Optimization
  • Physical Sciences › Computer Science › Computer Networks and Communications › Network Traffic and Congestion Control
Keywords
quality of service provisioning, wireless multimedia networks, Hopfield neural network, statistical multiplexing gain, resource utilization, resource fairness, blocking probability, dropping probability, congestion, handover, multi-objective optimization

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