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Using mobile relays to prolong the lifetime of wireless sensor networks

Published: 28 August 2005 Publication History

Abstract

In this paper we investigate the benefits of a heterogeneous architecture for wireless sensor networks composed of a few resource rich mobile nodes and a large number of simple static nodes. These mobile nodes can either act as mobile relays or mobile sinks. To investigate the performance of these two options and the trade-offs associated with these two options, we first consider a finite network. We then compute the lifetime for different routing algorithms for three cases (i) when the network is all static (ii) when there is one mobile sink and (iii) when there is one mobile relay. We find that using the mobile node as a sink results in the maximum improvement in lifetime. We contend however that in hostile terrains, it might not always be possible for the sink to be mobile. We then investigate the performance of a large dense network with one mobile relay and show that the improvement in network lifetime over an all static network is upper bounded by a factor of four. Also, the proof implies that the mobile relay needs to stay only within a two hop radius of the sink. We then construct a joint mobility and routing algorithm which comes close to the upper bound. However this algorithm requires all the nodes in the network to be aware of the location of the mobile node. We then proposed an alternative algorithm, which achieves the same performance, but requires only a limited number of nodes in the network to be aware of the location of the mobile. We finally compare the performance of the mobile relay and mobile sink and show that for a densely deployed sensor field of radius R hops, we require O(R) mobile relays to achieve the same performance as the mobile sink.

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      cover image ACM Conferences
      MobiCom '05: Proceedings of the 11th annual international conference on Mobile computing and networking
      August 2005
      325 pages
      ISBN:1595930205
      DOI:10.1145/1080829
      Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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      Published: 28 August 2005

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      Author Tags

      1. mobile relay
      2. network lifetime
      3. sensor networks

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      View all
      • (2024)A SURVEY ON STRATEGIES TO MITIGATE HOT SPOT PROBLEM IN WIRELESS SENSOR NETWORKSShodhKosh: Journal of Visual and Performing Arts10.29121/shodhkosh.v5.i5.2024.18555:5Online publication date: 31-May-2024
      • (2023)Coverage hole optimization with a mobile sensor in wireless sensor networks for smart gridAd Hoc Networks10.1016/j.adhoc.2022.103039140(103039)Online publication date: Mar-2023
      • (2021)Cooperative Depth Rotation to Avoid Energy Hole for 3D Underwater Sensor Networks2021 IEEE 24th International Conference on Computer Supported Cooperative Work in Design (CSCWD)10.1109/CSCWD49262.2021.9437803(825-830)Online publication date: 5-May-2021
      • (2020)Role of Ubiquitous Computing and Mobile WSN Technologies and Implementation2020 International Conference on Electrical, Communication, and Computer Engineering (ICECCE)10.1109/ICECCE49384.2020.9179241(1-6)Online publication date: Jun-2020
      • (2020)Different Energy Saving Schemes in Wireless Sensor Networks: A SurveyWireless Personal Communications10.1007/s11277-020-07461-5Online publication date: 12-May-2020
      • (2020)Towards trusted and energy-efficient data collection in unattended wireless sensor networksWireless Networks10.1007/s11276-020-02394-0Online publication date: 30-Jun-2020
      • (2019)Mobility Handling in Cluster based Mobile Wireless Sensor Network2019 IEEE International Conference on Clean Energy and Energy Efficient Electronics Circuit for Sustainable Development (INCCES)10.1109/INCCES47820.2019.9167692(1-4)Online publication date: Dec-2019
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      • (2019)Energy Efficient Model for Recovery from Multiple Nodes Failure in Wireless Sensor NetworksWireless Personal Communications: An International Journal10.1007/s11277-019-06479-8108:3(1459-1479)Online publication date: 1-Oct-2019
      • (2019)Design of Probability Density Function Targeting Efficient Coverage in Wireless Sensor NetworksWireless Personal Communications: An International Journal10.1007/s11277-018-6103-9105:1(61-85)Online publication date: 1-Mar-2019
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