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Impact of radio irregularity on wireless sensor networks

Published: 06 June 2004 Publication History

Abstract

In this paper, we investigate the impact of radio irregularity on the communication performance in wireless sensor networks. Radio irregularity is a common phenomenon which arises from multiple factors, such as variance in RF sending power and different path losses depending on the direction of propagation. From our experiments, we discover that the variance in received signal strength is largely random; however, it exhibits a continuous change with incremental changes in direction. With empirical data obtained from the MICA2 platform, we establish a radio model for simulation, called the Radio Irregularity Model (RIM). This model is the first to bridge the discrepancy between spherical radio models used by simulators and the physical reality of radio signals. With this model, we are able to analyze the impact of radio irregularity on some of the well-known MAC and routing protocols. Our results show that radio irregularity has a significant impact on routing protocols, but a relatively small impact on MAC protocols. Finally, we propose six solutions to deal with radio irregularity. We evaluate two of them in detail. The results obtained from both the simulation and a running testbed demonstrate that our solutions greatly improve communication performance in the presence of radio irregularity.

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      cover image ACM Conferences
      MobiSys '04: Proceedings of the 2nd international conference on Mobile systems, applications, and services
      June 2004
      294 pages
      ISBN:1581137931
      DOI:10.1145/990064
      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: 06 June 2004

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      Author Tags

      1. link asymmetry
      2. packet loss
      3. path loss
      4. radio irregularity
      5. sending power
      6. sensor networks
      7. wireless communication

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      MobiSys '04 Paper Acceptance Rate 22 of 162 submissions, 14%;
      Overall Acceptance Rate 274 of 1,679 submissions, 16%

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      • (2023)Swarm Optimization-Based Hyperparameter Selection for Machine Learning Algorithms in Indoor Localization2023 8th International Conference on Computer Science and Engineering (UBMK)10.1109/UBMK59864.2023.10286800(358-363)Online publication date: 13-Sep-2023
      • (2023)A Novel Weighted Fusion Based Efficient Clustering for Improved Wi-Fi Fingerprint Indoor PositioningIEEE Transactions on Wireless Communications10.1109/TWC.2022.322579622:7(4461-4474)Online publication date: Jul-2023
      • (2023)Synthesis of Large-Scale Instant IoT NetworksIEEE Transactions on Mobile Computing10.1109/TMC.2021.309900522:3(1810-1824)Online publication date: 1-Mar-2023
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      • (2021)Characterization of Link Quality Fluctuation in Mobile Wireless Sensor NetworksACM Transactions on Cyber-Physical Systems10.1145/34487375:3(1-24)Online publication date: 15-Apr-2021
      • (2021)ARPAP: A Novel Antenna-Radiation-Pattern-Aware Power-Based Positioning in RF SystemIEEE Transactions on Mobile Computing10.1109/TMC.2019.295998320:3(816-829)Online publication date: 1-Mar-2021
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