Conference Proceedings

Parameter Estimation in a Noisy 1D Environment via Two Absorbing Receivers

X Huang, Y Fang, A Noe, N Yang

2020 IEEE Global Communications Conference, GLOBECOM 2020 - Proceedings | Published : 2020

Abstract

This paper investigates the estimation of different parameters, e.g., propagation distance and flow velocity, by utilizing two fully-absorbing receivers (RXs) in a one-dimensional (1D) environment. The time-varying number of absorbed molecules at each RX and the number of absorbed molecules in a time interval as time approaches infinity are derived. Noisy molecules in this environment, that are released by sources in addition to the transmitter, are also considered. A novel estimation method, namely difference estimation (DE), is proposed to eliminate the effect of noise by using the difference of received signals at the two RXs. For DE, the Cramer-Rao lower bound (CRLB) on the variance of e..

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