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Toward the ubiquitously networked society: QoS-aware residential gateway with ZigBee-based network

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2 Author(s)
Pei-Chen Tseng ; Dept. of Inf. Eng. & Inf., Tzu Chi Coll. of Technol., Taiwan ; Wen-Shyang Hwang

Our earlier embedded QoS-aware residential gateway (EmQRG) for real-time class-based queuing (CBQ) bandwidth management is reviewed and experimentally demonstrated. EmQRG's high QoS is demonstrated in conjunction with a wireless ZigBee network of temperature/humidity monitoring sensors. Critically, the EmQRG sends a top-priority over-temperature alarm when any temperature/humidity module reports a temperature exceeding a preset value. This emergency signal has top EmQRG transmission priority. Experiments verify the over-temperature alarm sends/receives “immediately” regardless of heavy network congestion or bottlenecking. The presented system easily expands to extensive networks containing many parallel systems or embedded sub-systems. The presented system is cost-effective implementable with available hardware and software.

Published in:

Wireless and Pervasive Computing (ISWPC), 2011 6th International Symposium on

Date of Conference:

23-25 Feb. 2011

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