Pavel V. Nikitin, Daniel D. Stancil, Ozan K. Tonguz, Ariton E. Xhafa, Ahmet G. Cepni, Dagfin Brodtkorb. Impulse response of the HVAC duct as a communication channel. IEEE Transactions on Communications, 51(10):1736-1742, 2003. [doi]
Abstract is missing.