Context-Aware Uplink Resource Allocation Using Request Header Information for ertPS Services in IEEE 802.16e Networks

Chiapin Wang, Meng Yuan Tsai, Kuo Chang Ting

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

In this paper, we propose a simple and effective way to improve the quality of service (QoS) of uplink resource allocation for the extended-real-time polling service (ertPS) in IEEE 802.16e broadband wireless networks. The primitive ertPS algorithm determines the amount of resources allocated to a given subscriber station only according to the requested volume in current polling cycles regardless of the knowledge of demand trend. This trend is continuously increasing or declining, which may be incomplete to truly reflect reasonable resource allocation for subscriber stations in different demand tendencies. To cope with this problem, we developed a context-aware ertPS algorithm which gathers statistics on the numbers of request headers of medium access control layer management messages among various subscriber stations, and thus uses the statistical information to enable a dynamic allocation of additional uplink resources to subscriber stations with continuously increasing bandwidth demands. The simulation results show that in comparison with the original ertPS algorithm, the proposed context-aware resource allocation scheme is effective to increase the data throughput as well as to decrease the packet loss rate and packet delay so that the user-perceived QoS can be improved.

Original languageEnglish
Pages (from-to)2075-2095
Number of pages21
JournalWireless Personal Communications
Volume82
Issue number4
DOIs
Publication statusPublished - 2015 Jun 29

Fingerprint

Resource allocation
Quality of service
Medium access control
Packet loss
Wireless networks
Throughput
Statistics
Bandwidth

Keywords

  • Context-awareness
  • Extended real-time polling service (ertPS)
  • IEEE 802.16e mobile network
  • Uplink resource allocation

ASJC Scopus subject areas

  • Computer Science Applications
  • Electrical and Electronic Engineering

Cite this

Context-Aware Uplink Resource Allocation Using Request Header Information for ertPS Services in IEEE 802.16e Networks. / Wang, Chiapin; Tsai, Meng Yuan; Ting, Kuo Chang.

In: Wireless Personal Communications, Vol. 82, No. 4, 29.06.2015, p. 2075-2095.

Research output: Contribution to journalArticle

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