Design and implementation of a transmission protection protocol to improve the performance of wireless sensor networks in hybrid networks
by Jang-Ping Sheu; Shu-Hsun Wu; Chuang Ma; Wei-Kai Hu
International Journal of Ad Hoc and Ubiquitous Computing (IJAHUC), Vol. 17, No. 4, 2014

Abstract: In hybrid networks, the devices of Wireless Local Area Networks (WLANs) and Wireless Sensor Networks (WSNs) will interfere with each other when working in a same area because they use the same band, 2.4 GHz. With the greater transmission power and more aggressive channel access time resolution, WLANs often affect the communication of WSNs severely. To eliminate this kind of interference effect, we design protection nodes and propose a transmission protection protocol, WSNs Transmission Protection Protocol (WTPP), to improve the transmission performances of WSNs in hybrid networks. The protection nodes can emit protection signal periodically to block the traffic of WLANs and permit the transmission of WSNs. We implement WTPP in a hybrid network testbed to prove its feasibility. Comparing with legacy ZigBee, the experimental results show that WTPP can improve the packet delivery ratio of WSNs efficiently under the interference of WLANs. When WSNs work on low duty cycle, the throughput degradation of WLANs is less than 6%.

Online publication date: Fri, 19-Dec-2014

The full text of this article is only available to individual subscribers or to users at subscribing institutions.

 
Existing subscribers:
Go to Inderscience Online Journals to access the Full Text of this article.

Pay per view:
If you are not a subscriber and you just want to read the full contents of this article, buy online access here.

Complimentary Subscribers, Editors or Members of the Editorial Board of the International Journal of Ad Hoc and Ubiquitous Computing (IJAHUC):
Login with your Inderscience username and password:

Username:        Password:          Forgotten your password?

Want to subscribe?
A subscription gives you complete access to all articles in the current issue, as well as to all articles in the previous three years (where applicable). See our Orders page to subscribe.

If you still need assistance, please email subs@inderscience.com