Title:  Cooperative Consensus for Clock Synchronization in Wireless Sensor Networks

Committee: 

Dr. Weitnauer, Advisor  

Dr. Coogan, Chair

Dr. Barry

Abstract:

The objective of the proposed research is to design and experimentally validate a novel network time synchronization (NTS) algorithm based on ‘cooperative-consensus’ (CoCo) that replaces one-by-one aggregation in a consensus approach with one-shot averaging of many node responses in the physical (PHY) layer. We design an OFDM-based PHY layer to achieve an approximate sample mean provided by the semi-cooperative spectrum fusion (SCSF) technique from concurrent transmissions. We evaluate CoCo using computer simulations and plan to implement on software-defined radios (SDRs) to validate and compare with state of the art NTS protocols such as Average TimeSync (ATS).