Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail
Patent
1996-08-22
1998-09-22
Bost, Dwayne D.
Telecommunications
Transmitter and receiver at same station
Radiotelephone equipment detail
455562, 455575, 379433, 379434, H04Q 736, H04M 100
Patent
active
058129561
ABSTRACT:
Base site deployment in a cellular communication system takes place by positioning a base site antenna (102) mid block, with the main bore of the antenna (102) pointing parallel to the street (104) in which the antenna (102) is located (104). Additionally, the base site antenna (102) is located below the rooftop of any buildings (118) occupying the street (104). Multiple base site antennas (201-211) are formed into a cluster (214) existing in an N.times.N city block area such that the bore of each antenna (201-211) is positioned to point into the center of the cluster (214) and parallel to the street that it is located. Positioning base site antennas (201-211) in such a way will serve to channel, or canyon, the Radio Frequency propagation from the antennas (201-211) in a direction of the antenna's (201-211) main lobe (120) and back lobe (122), reducing cochannel and adjacent channel interference.
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Mikael Gudmundson, Cell Planning In Manhattan Environments, see p. 435, Jan. 1992.
Maciel et al., Cell Shape for Microcellular Systems in Residetial and Commercial Environments, May 1994.
Loew et al., Radio Propagation Into Buildings at 912, 1920, and 5990 MGZ using microcells, Jan. 1994.
Bost Dwayne D.
Gelin Jean A.
Haas Kenneth A.
Motorola Inc.
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