{"id":11000,"date":"2026-09-05T13:39:49","date_gmt":"2026-09-05T05:39:49","guid":{"rendered":"\/jase\/?post_type=tkuisotope&p=11000"},"modified":"2026-09-14T18:01:57","modified_gmt":"2026-09-14T10:01:57","slug":"a-simple-hole-resistant-technique-for-reliable-geocasting-in-wireless-sensor-networks","status":"publish","type":"tkuisotope","link":"\/jase\/?tkuisotope=a-simple-hole-resistant-technique-for-reliable-geocasting-in-wireless-sensor-networks","title":{"rendered":"A Simple Hole-Resistant Technique for Reliable Geocasting in Wireless Sensor Networks"},"content":{"rendered":"\n
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<\/i> 2012<\/a><\/p>\n<\/div>\n\n\n\n

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<\/i> Volume 15, Issue 4<\/a><\/p>\n<\/div>\n\n\n\n

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Sheng-Shih Wang1<\/sup><\/i><\/a>, Hung-Chang Chen2<\/sup>, Hui-Mei Yang1<\/sup> and Tzu-Chang Yeh1<\/sup><\/p>\n\n\n\n

1<\/sup>Department of Information Management, Minghsin University of Science and Technology, Hsinchu, Taiwan 304, R.O.C.<\/p>\n\n\n\n

2<\/sup>Formosa Wireless Communications Corp., Taipei, Taiwan 115, R.O.C.<\/p>\n<\/div>\n\n\n\n

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Received: December 6, 2011
Accepted: March 26, 2012
Publication Date: December 1, 2012<\/p>\n<\/div>\n<\/div>\n\n\n\n

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Overview of SHORT.<\/p>\n<\/div>\n<\/div>\n\n\n\n

<\/i> Copyright <\/strong>The Author(s). This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0)<\/a>, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are cited.<\/p>\n\n\n\n

Download Citation:  BibTeX <\/a>| http:\/\/dx.doi.org\/10.6180\/jase.2012.15.4.09<\/a>  <\/p>\n\n\n\n

Download PDF<\/a><\/p>\n\n\n\n

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In wireless sensor networks, geocasting is one of the important transmission behaviors when the sink intends to send messages to sensor nodes in a specific area, typically identified by accurate two-dimensional location information (e.g., x- and y-coordinates). Unfortunately, this information is not always obtained at sensor nodes, and the network may have environmental holes (e.g., physical obstacles or areas without the functionality of communication). The challenges are more likely to cause a low packet delivery ratio. This paper proposes a Simple Hole-Resistant Technique, called SHORT, to improve the geocast packet delivery ratio in virtual coordinate wireless sensor networks with holes. Sensor nodes in virtual coordinate wireless sensor networks are positioned by two virtual coordinates, direction and distance, respectively represented by a directional code and hop count from sink. To select appropriate nodes to participate in relaying geocast packets, each candidate forwarder depends on its direction and distance to derive an ultimate forwarding probability when it receives geocast packets. As the proposed SHORT can assign a higher forwarding probability to a more appropriate candidate forwarder, it can efficiently resist environmental holes. Simulation results validate that SHORT achieves a higher packet delivery ratio compared with the simple direction-based forwarding scheme under virtual coordinate wireless sensor networks with holes.<\/p>\n\n\n\n

Keywords: Forwarding Probability, Geocast, Sensor Network, Virtual Coordinate<\/em><\/p>\n\n\n\n

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