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Sink-oriented Dynamic Location Service Protocol for Mobile Sinks with an Energy Efficient Grid-Based Approach
Hyeonjae Jeon1, Kwangjin Park, Dae-Joon Hwang
1School of Information and Communication Engineering, Sungkyunkwan University, 300 Cheoncheon-dong, Suwon Gyeonggi-do 440-746, South Korea; E-Mails: jeonnow@skku.edu ; kjpark@wonkwang.ac.kr ; djhwang@skku.edu.
Sensors (Basel, Switzerland)
|May 11, 2012
Summary
This study introduces a Sink-oriented Dynamic Location Service (SDLS) for wireless sensor networks (WSNs). SDLS efficiently handles mobile sinks and multiple sources, reducing data communication overhead and balancing energy consumption.
Area of Science:
- Computer Science
- Network Engineering
Background:
- Wireless Sensor Networks (WSNs) face challenges with limited resources (power, computation, memory).
- Increasing popularity of portable wireless devices necessitates efficient data retrieval from mobile WSNs.
- Mobile sinks in WSNs introduce complexities in data dissemination, location identification, and path management.
Purpose of the Study:
- To propose a novel approach for efficient data dissemination in WSNs with mobile sinks.
- To address the challenges of sink mobility, multi-source data, and multi-mobile sinks.
- To reduce data communication overhead and ensure energy balancing in WSNs.
Main Methods:
- Proposed a Sink-oriented Dynamic Location Service (SDLS) to manage sink mobility.
- Introduced an Eight-Direction Anchor (EDA) system for location service and energy balancing.
- Developed a Location-based Shortest Relay (LSR) algorithm for efficient data forwarding with minimal delay.
Main Results:
- SDLS provides an efficient and scalable location service for mobile sinks.
- The Eight-Direction Anchor (EDA) system balances energy consumption among sensor nodes.
- Location-based Shortest Relay (LSR) minimizes data transmission delay.
- Demonstrated reduced average data communication overhead in multi-mobile sink and multi-source scenarios.
Conclusions:
- SDLS effectively handles sink mobility in WSNs.
- The proposed methods improve energy efficiency and reduce communication overhead.
- SDLS offers a scalable solution for data dissemination in dynamic WSN environments.
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