Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Patent
1998-04-14
2000-08-01
Tsang, Fan
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
455522, 455517, 455 69, 455 68, 455127, 455550, 455424, H04Q 720, H04Q 730, H04Q 732, H04Q 734
Patent
active
06097947&
ABSTRACT:
A cellular mobile communication network in a code division multiple access system includes plural mobile stations and at least one base station, and the at least one base station periodically supplies a transmission power control instruction representative of decrease or increase of the transmission power of a transmit signal from each mobile station to the at least one base station; when the base station receives the transmit signal from a mobile station, the base station measures the electric power to see whether or not the mobile station is faithful to the transmission power control instruction; if the mobile station repeats the disobedience, the mobile station is diagnosed to be a failure station serving as a serious interference power source.
REFERENCES:
patent: 5265119 (1993-11-01), Gilhousen et al.
patent: 5267262 (1993-11-01), Wheatley
patent: 5333175 (1994-07-01), Ariyavisitakul et al.
patent: 5590409 (1996-12-01), Sawahashi et al.
Japanese Office Action dated Aug. 10, 1999, with partial translation.
Ferguson Keith
NEC Corporation
Tsang Fan
LandOfFree
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