NDLI: NAPR: A node activity-based probabilistic routing algorithm in Delay Tolerant-Mobile Sensor Networks

Content Provider	IEEE Xplore Digital Library
Author	Kun Wang Yuhua Zhang Lei Shu Chunsheng Zhu Min Gao
Copyright Year	2015
Description	Author affiliation: Univ. of British Columbia, Vancouver, BC, Canada (Chunsheng Zhu) \|\| Guangdong Univ. of Petrochem. Technol., Maoming, China (Lei Shu) \|\| Univ. of California, Los Angeles, Los Angeles, CA, USA (Min Gao) \|\| Nanjing Univ. of Posts & Telecommun., Nanjing, China (Kun Wang; Yuhua Zhang)
Abstract	In the probabilistic routing algorithms of DT-MSN (Delay Tolerant-Mobile Sensor Networks), packet delivery only depends on the probability of transmitting to its destination node. The prediction of probability is not reasonable because of not considering every node's activity level. In this paper, by mixing a node activity factor into the prediction of delivery probability, we propose a Node Activity-based Probabilistic Routing algorithm (NAPR). First, a physical quantity denoted by node activity is introduced to indicate the nodes' active level in the network. The proposed algorithm takes the encountering records and the nodes' active level into consideration. Second, by using parameter α to weigh the original probabilistic factor and the active level factor, a new weighted average value serves as a packet Delivery Predictability (DP). Nodes will compare the DP to decide whether the packet is delivered and the change of weighted factor α will have an impact on the relationship between nodes' active level factor and DP. Besides, NAPR adopts the TTL (Time To Live)-based discarding strategy to manage nodes' buffer space. Simulation results show that NAPR improves the DP and delivery ratio of packets and shortens the average delivery delay. Meanwhile, the number of packet copies and overhead ratio decreases accordingly.
Starting Page	7002
Ending Page	7006
File Size	1687967
Page Count	5
File Format	PDF
e-ISBN	9781467364324
DOI	10.1109/ICC.2015.7249442
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-06-08
Publisher Place	UK
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Delays Routing Probabilistic logic Prediction algorithms Mobile computing Mobile communication Software algorithms Delivery Predictability Delay Tolerant-Mobile sensor Network (DTMSN) Probabilistic Routing Node Activity
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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