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Real-World Energy Measurements of a Wireless Mesh Network

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EE LSDS conference Vienna 2013, http://www.irit.fr/~Georges.Da-Costa/ee-lsds2013/

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Real-World Energy Measurements of a Wireless Mesh Network

  1. 1. Energy Efficiency in Large ScaleDistributed SystemsReal-World Energy Measurements of aWireless Mesh NetworkA. Jamakovic, D. Dimitrova, M. Anwander, T. Macicas,T. Braun, J. Schwanbek, Th. Staub, B. NyffeneggerUniversität Bern, Switzerlandbraun@iam.unibe.ch, cds.unibe.ch
  2. 2. Overview> Introduction— Environmental Monitoring Area— Wireless Mesh Network Topology at Rhone Valley— Environmental Monitoring Scenarios> Solar-Powered Wireless Mesh Nodes— Solar-Powered Wireless Mesh Node Hardware and Software— Solar Energy Harvesting> Energy Harvesting and Consumption Measurement Scenario> Measurement Results— Daily/Weekly Battery and Solar Panel Voltage Measurements— Relationship of Battery and Solar Panel Voltage— Battery Load and Mesh Node Consumption— Solar Panel / Mesh Node Voltage and Battery / Mesh Node Current> Conclusions and OutlookEE-LSDS, Vienna, April 24, 2013Torsten Braun: Real-World Energy Measurements of a Wireless Mesh Network2
  3. 3. Environmental Monitoring AreaSionSierreTseuzierstorage lakePlaine Morte glacierEE-LSDS, Vienna, April 24, 2013 3Torsten Braun: Real-World Energy Measurements of a Wireless Mesh Network
  4. 4. Wireless Mesh Network Topology atRhone ValleySionSierreEE-LSDS, Vienna, April 24, 2013 4Torsten Braun: Real-World Energy Measurements of a Wireless Mesh Network
  5. 5. Environmental Monitoring ScenariosEE-LSDS, Vienna, April 24, 2013Torsten Braun: Real-World Energy Measurements of a Wireless Mesh Network5
  6. 6. Solar-Powered Wireless Mesh NodesEE-LSDS, Vienna, April 24, 2013 6Torsten Braun: Real-World Energy Measurements of a Wireless Mesh Network
  7. 7. Wireless Mesh Node Hardware and Software> IP66 steel enclosure> 1-2x Alix 3D2 system boards> 1x Alix 6F2 system board> 1-4x 801.11n mini PCI cards> 1x 801.11g mini PCI card> 1x UMTS mini PCI-Expresscard> I2C twin relay> 2x2 MIMO, 25dBi,dual polarization panelantennas for 5.8 Ghz> ADAM Linux runningOptimized Link State RoutingEE-LSDS, Vienna, April 24, 2013Torsten Braun: Real-World Energy Measurements of a Wireless Mesh Network7
  8. 8. Solar Energy Harvesting> 90 Watt solar panels, voltage: 18.75 V> Panels supply lead acid battery (78 Ah) and wireless mesh nodeEE-LSDS, Vienna, April 24, 2013Torsten Braun: Real-World Energy Measurements of a Wireless Mesh Network8
  9. 9. Energy Harvesting and ConsumptionMeasurement Scenario> Energy measurements bycharge controller— in winter (nodes 3, 7)— In summer (nodes 7, 8)EE-LSDS, Vienna, April 24, 2013Torsten Braun: Real-World Energy Measurements of a Wireless Mesh Network9
  10. 10. Voltage Measurements During a Summer DayEE-LSDS, Vienna, April 24, 2013Torsten Braun: Real-World Energy Measurements of a Wireless Mesh Network10
  11. 11. Voltage Measurements During a Winter DayEE-LSDS, Vienna, April 24, 2013Torsten Braun: Real-World Energy Measurements of a Wireless Mesh Network11
  12. 12. Voltage Measurements During a Summer WeekEE-LSDS, Vienna, April 24, 2013Torsten Braun: Real-World Energy Measurements of a Wireless Mesh Network12
  13. 13. Relationship of Battery andSolar Panel Voltage During SummerEE-LSDS, Vienna, April 24, 2013Torsten Braun: Real-World Energy Measurements of a Wireless Mesh Network13
  14. 14. Relationship of Battery andSolar Panel Voltage During WinterEE-LSDS, Vienna, April 24, 2013Torsten Braun: Real-World Energy Measurements of a Wireless Mesh Network14
  15. 15. Battery Load and Mesh Node ConsumptionDuring SummerEE-LSDS, Vienna, April 24, 2013Torsten Braun: Real-World Energy Measurements of a Wireless Mesh Network15
  16. 16. Battery Load and Mesh Node ConsumptionDuring WinterEE-LSDS, Vienna, April 24, 2013Torsten Braun: Real-World Energy Measurements of a Wireless Mesh Network16
  17. 17. Solar Panel / Mesh Node Voltage andBattery / Mesh Node CurrentEE-LSDS, Vienna, April 24, 2013Torsten Braun: Real-World Energy Measurements of a Wireless Mesh Network17
  18. 18. Conclusions and Outlook> Energy harvesting and consumption data in areal wireless mesh deployment> Results show good combination of battery and solar panel.> Energy supply has been sufficient in our challengingdeployment.> Certain nodes need more energy, data are valuable for solarpanel dimensioning> Possible control of mesh node based on available energy andweather prediction ?EE-LSDS, Vienna, April 24, 2013Torsten Braun: Real-World Energy Measurements of a Wireless Mesh Network18
  19. 19. Thanks for your Attention> More information— cds.unibe.ch and a4-mesh.unibe.ch— slideshare.net/torstenbraun— braun@iam.unibe.chTorsten Braun: Real-World Energy Measurements of a Wireless Mesh NetworkEE-LSDS, Vienna, April 24, 2013 19

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