Telecommunications – Transmitter and receiver at separate stations – Having measuring – testing – or monitoring of system or part
Patent
1995-05-03
1997-03-18
Eisenzopf, Reinhard J.
Telecommunications
Transmitter and receiver at separate stations
Having measuring, testing, or monitoring of system or part
455 331, 455 541, H04B 1700
Patent
active
056132174
ABSTRACT:
In a cellular communications system having a plurality of cells, each cell being served by at least one of a plurality of existing base stations, a method of determining a location for a new micro base station antenna involves first providing a test antenna at a test location in one of the cells. Then, for a predetermined time period, a monitoring procedure is performed to assess how many mobile stations are close enough to the test location that they would be served by a micro cell having a base transceiver antenna at the test location. The monitoring procedure involves, in the test antenna, receiving an uplink access attempt signal that is transmitted from a mobile station to an intended one of the existing base stations. Then, signal strength of the received uplink access attempt signal is measured and compared to a predetermined threshold level. If the measured signal strength is greater than the predetermined threshold level, then a count value is incremented. After performing the monitoring procedure, the count value is compared to a predetermined count value. If the count value is higher than the predetermined count value, then the new micro base station is established at the test location. In an alternative embodiment of the invention, the monitoring procedure is performed at several test locations. The new micro base station is then established at that one of the test locations that has the highest count value.
REFERENCES:
Advertisement for Smith Myers Cellular System Simulator CSS2100, published 1993, 1994.
Advertisement for Smith Myers Cellular System Monitor CSM8800, publication date unknown.
D. Yekta & F. Howat, "Product Review: Smith Myers CSM-8800 Cellular Service Monitor", Cellular Business, Dec. 1993.
Patent Abstract for Soviet Union Patent Document No. SU 1185-626-A, published in 1986, England.
Advertisement for Smith Myers Cellular System Monitor CSM8000, publication date unknown.
Advertisement for Smith Meyers ART-775 Cellular Test Instrument.
Hagstrom Ulf E.
Isaksson Magnus B.
Banks-Harold Marsha D.
Eisenzopf Reinhard J.
Telefonaktiebolaget LM Ericsson
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