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A novel heuristic diffraction coefficient is presented which is perfectly reciprocal and symmetrical. The prediction obtained using proposed coefficient is compared with that obtained using rigorous Maliuzhinets' solution. It is shown that the proposed coefficient is more efficient than available diffraction coefficient. The comparison is made for both soft and hard polarization. Further, the applicability of proposed coefficient in complex urban scenario is demonstrated by applying the coefficient in the city of Ottawa.

A Novel Symmetrical Heuristic Coefficient for Urban Microcellular Environments