The Transmission Power Control Method for Wireless Sensor Networks Based on LQI and RSSI

  • Shang Jin
  • Jingqi Fu
  • Liming Xu
Part of the Communications in Computer and Information Science book series (CCIS, volume 324)


Improving energy efficiency to prolong the lifetime is a key research issue of the wireless sensor networks. Appropriately adjusting the nodes transmission power is very important to reduce the network energy consumption. This paper proposes a transmission power control method based on LQI and RSSI which can dynamically adjust the network energy consumption and improve the energy efficiency of the wireless sensor nodes. The test conducted on a wireless network established in the lab shows that the transmission power control method can save the nodes energy effectively as well as significantly prolong the lifetime of the network.


WSN LQI RSSI energy consumption transmission power control 


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Copyright information

© Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  • Shang Jin
    • 1
  • Jingqi Fu
    • 1
  • Liming Xu
    • 1
  1. 1.School of Mechatronic Engineering and AutomationShanghai UniversityShanghaiChina

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