TY - GEN
T1 - Consensus-based distributed least-mean square algorithm using wireless ad hoc network
AU - Mateos, Gonzalo
AU - Schizas, Ioannis D.
AU - Giannakis, Georgios B
PY - 2007/1/1
Y1 - 2007/1/1
N2 - We deal with online estimation and tracking of (non)stationary signals using ad hoc wireless sensor networks (WSNs). A fully distributed least-mean square (D-LMS) type of algorithm is presented, which offers simplicity and flexibility whilst solely requiring single-hop communications among sensors. The algorithm entails the minimization of a pertinent cost function by resorting to: (i) the alternating-direction method of multipliers so as to gain the desired degree of parallelization and, (ii) stochastic approximation ideas to cope with the unavailability of statistical information. First-order convergence analysis is provided whereas mean-square sense (mss) convergence is corroborated via simulations, even in the presence of additive reception noise.
AB - We deal with online estimation and tracking of (non)stationary signals using ad hoc wireless sensor networks (WSNs). A fully distributed least-mean square (D-LMS) type of algorithm is presented, which offers simplicity and flexibility whilst solely requiring single-hop communications among sensors. The algorithm entails the minimization of a pertinent cost function by resorting to: (i) the alternating-direction method of multipliers so as to gain the desired degree of parallelization and, (ii) stochastic approximation ideas to cope with the unavailability of statistical information. First-order convergence analysis is provided whereas mean-square sense (mss) convergence is corroborated via simulations, even in the presence of additive reception noise.
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M3 - Conference contribution
AN - SCOPUS:84940640678
T3 - 45th Annual Allerton Conference on Communication, Control, and Computing 2007
SP - 568
EP - 574
BT - 45th Annual Allerton Conference on Communication, Control, and Computing 2007
PB - University of Illinois at Urbana-Champaign, Coordinated Science Laboratory and Department of Computer and Electrical Engineering
T2 - 45th Annual Allerton Conference on Communication, Control, and Computing 2007
Y2 - 26 September 2007 through 28 September 2007
ER -