A Performance Comparison Study of GTS Allocation Schemes in IEEE 802.15.4

Authors:
Liang Cheng;Anu G. Bourgeois;Xin Zhang
Affiliations:
-;-;-
Venue:
FGCN '07 Proceedings of the Future Generation Communication and Networking - Volume 02
Year:
2007

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A New QoS Resource Allocation Scheme Using GTS for WPANs

Wireless Personal Communications: An International Journal

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Abstract

The IEEE 802.15.4 standard enables device level wire- less connectivity in personal area networks. Its Medium Access Control (MAC) protocol supports the exclusive use of a wireless channel through guaranteed time slots (GTS). However, the bandwidth underutilization problem occurs in GTSs when the used bandwidth is less than the avail- able. In addition to the standard GTS allocation scheme, two other alternatives, namely i-GAME and granulated al- location scheme, have been proposed. This paper presents a performance comparison study of the three GTS allocation schemes using network calculus.