Code division multiple access communication system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 8, 1997
Grant Date -
N/A
app pub date -
Aug 18, 1995
filing date -
Aug 18, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A CDMA system in which carriers are segregated according to the self-sacrifice of a mobile station resulting in no communication quality deterioration due to shadowing The mobile station detects a base station which causes a sudden increase in the reception power of the mobile station, and generates self-sacrifice information and transmits the information to the base station communicating with the mobile station. The informed base station detects the self-sacrifice information transmitted from the mobile station and informs mobile communication control equipment. The mobile communication control equipment designates a carrier which is prohibited from future use and the concerned base station. The concerned base station discontinues use of the designated carrier.
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