Results of propagation loss and power delay profile measurements in an urban microcellular environment

摘要

This paper summarizes the results of an extensive series of propagation measurements conducted by NYNEX in an urban local loop environment in a residential area in Brooklyn, New York, as part of its evolving efforts to characterize the radio environment in the 1850-1990 MHz band. These results include propagation loss and power delay profile measurements for several hundred transmit/receive configurations in the immediate surroundings of a potential trial site for wireless loop applications. The maximum RMS delay spread for all the measurements is 543 ns. Path loss vs. distance statistics are summarized and used as a basis for an initial trial design.