August 1994 | Technical Report TR-94-315
Initial Study of the Local Multipoint Distribution System Radio Channel
Cite This Publication
Peter B. Papazian, Michael P. Roadifer, and George A. Hufford, “Initial Study of the Local Multipoint Distribution System Radio Channel,” Technical Report TR-94-315, U.S. Department of Commerce, National Telecommunications and Information Administration, Institute for Telecommunication Sciences, August 1994.
Peter B. Papazian, Michael P. Roadifer, and George A. Hufford
Abstract: A broadband millimeter wave study was completed to characterize the radio channel for Local Multipoint Distribution Systems in Boulder, Colorado. The study determined characteristics for proposed 20-MHz channels centered at 30.3 GHz using two transmitter heights in a suburban environment. Distributions of delay spread, correlation bandwidth, frequency selective fading and scatter plots of signal loss are presented. The median signal loss for the 40-m transmitter height was 15 dB. Maximum delay spreads for this height were below 10 ns with a median value of less than 1 ns. Data was also collected to characterize a flat plate reflector proposed for use at 28.8 GHz. Cross cell interference and signal diffraction measurements were also made.
Keywords: broadband; delay spread; local multipoint distribution system; radio channel
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