Title :
Intra-building digital communications at 460 and 1300 MHz
Author :
Nagurney, Ladimer S.
Author_Institution :
Dept. of Electr. Eng., Hartford Univ., CT, USA
Abstract :
The author describes experiences with experimental 460-MHz and 1300-MHz wireless data networks operated within adjoining multistorey steel-reinforced office-type buildings. The experiments have been conducted using a single fixed station and portable stations at various locations within the buildings. The fixed station was moved to compare locating it within a wiring closet or near terminal equipment. The fixed station location was also varied among the floors of the building to compare relative performance. Station transmitter and receiver parameters, including transmitter power, receiver sensitivity, and antenna feedline gain, varied. Antennas compared include standard λ/4 groundplane, discone, and slot antennas. For operation between the floors, once the power was sufficient to achieve link integrity, operation was reliable. Positional fading was noted, however. Link operation was satisfactory for normal usage
Keywords :
digital radio systems; fading; mobile radio systems; radio links; radiowave propagation; 1300 MHz; 460 MHz; UHF; antenna feedline gain; discone antennas; groundplane antennas; indoor radio links; intra-building digital communications; multistorey steel-reinforced office-type buildings; portable stations; positional fading; receiver sensitivity; single fixed station; slot antennas; transmitter power; wireless data networks; Antenna feeds; Digital communication; Interference; Radio frequency; Receiving antennas; Slot antennas; Steel; Transmitters; Transmitting antennas; Wiring;
Conference_Titel :
Vehicular Technology Conference, 1991. Gateway to the Future Technology in Motion., 41st IEEE
Conference_Location :
St. Louis, MO
Print_ISBN :
0-87942-582-2
DOI :
10.1109/VETEC.1991.140479