Low Latency ZigBee Networks using Shared Active Periods
Date Issued
2009
Date
2009
Author(s)
Chiang, Chia-En
Abstract
In recent years, the ZigBee protocol has been increasingly popular inireless sensor networks (WSNs). The quality of service in ZigBee networksherefore raise lots of attentions. In this work, we identify that thehannel utilization and latency are two conflicting quality due to the Zig-ee specifications. And we propose a practial modificaiton toward theigBee protocol to mitigate the conflict.nd we formulate our proposal as a scheduling problem. Formal problemefinition is provided and proved to be NP-Complete. As a result, weelivered a heuristic algorithm and performed simulations on differentopologies. The resuls show that our scheme is able to offer better latencyerformance compared with existed work.
Subjects
IEEE 802.15.4
ZigBee
quality of service
latency minimization
SDGs
Type
thesis
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