Fast Recovery from Hidden Node Collision for IEEE 802.15.4 LR-WPANs

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7th IEEE International Conference on Computer and Information Technology (CIT 2007)

Aizu-Wakamatsu City, Fukushima, Japan

October 16-October 19

ISBN: 0-7695-2983-6

	ASCII Text	x
	Shengzhi Zhang, Sang-Jo Yoo, "Fast Recovery from Hidden Node Collision for IEEE 802.15.4 LR-WPANs," Computer and Information Technology, International Conference on, pp. 393-398, 7th IEEE International Conference on Computer and Information Technology (CIT 2007), 2007.

	BibTex	x
	@article{ 10.1109/CIT.2007.56, author = {Shengzhi Zhang and Sang-Jo Yoo}, title = {Fast Recovery from Hidden Node Collision for IEEE 802.15.4 LR-WPANs}, journal ={Computer and Information Technology, International Conference on}, volume = {0}, year = {2007}, isbn = {0-7695-2983-6}, pages = {393-398}, doi = {http://doi.ieeecomputersociety.org/10.1109/CIT.2007.56}, publisher = {IEEE Computer Society}, address = {Los Alamitos, CA, USA}, }

	RefWorks Procite/RefMan/Endnote	x
	TY - CONF JO - Computer and Information Technology, International Conference on TI - Fast Recovery from Hidden Node Collision for IEEE 802.15.4 LR-WPANs SN - 0-7695-2983-6 SP393 EP398 A1 - Shengzhi Zhang, A1 - Sang-Jo Yoo, PY - 2007 VL - 0 JA - Computer and Information Technology, International Conference on ER -

Shengzhi Zhang, Inha University, 253 YongHyun-dong, Nam-gu, Incheon 402-751, Korea

Sang-Jo Yoo, Inha University, 253 YongHyun-dong, Nam-gu, Incheon 402-751, Korea

DOI Bookmark: http://doi.ieeecomputersociety.org/10.1109/CIT.2007.56

RTS/CTS mechanism to avoid the hidden/exposed node problem, for the consideration of constructing the low energy consumption networks. However, based on the modified CSMA/CA algorithm in LR-WPANs, the hidden node collisions will repeat up to aMaxframeRetries (default value is 3) times until the collided packets are discarded with a high probability. Therefore, a fast recovery mechanism is proposed in this paper to achieve the fast self-healing with negligible control overheads when the networks suffer the hidden node collisions. When the coordinator recognizes the hidden node collision occurs, it will issue a group polling ACK (PACK) to indicate the priority of the collided packets retransmission. Simulation results demonstrate that the proposed PACK mechanism is able to improve the network throughput and avoid the continuous hidden node collisions efficiently. Keywords- LR-WPAN; Hidden node collision; ACK I.

Citation:

Shengzhi Zhang, Sang-Jo Yoo, "Fast Recovery from Hidden Node Collision for IEEE 802.15.4 LR-WPANs," cit, pp.393-398, 7th IEEE International Conference on Computer and Information Technology (CIT 2007), 2007

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