A planar four-port channel drop filter in the three-dimensional woodpile photonic crystal Daniel Stieler, 1,* Anthony Barsic, 1 Rana Biswas, 1,2 Gary Tuttle, 1 and Kai-Ming Ho 2 1Ames Laboratory and Department of Electrical and Computer Engineering
A narrow band MlMO channel with n, transmit and n, receiver antennas is described in terms of a n, xn, complex channel transfer matix /I, whose enuy h, repre~cnts the channel impulse response between the th receive antenna to they' transmit antenna.