Ratner & Prestia
Code division multiple access communication system
 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. 
Matsushita Electric Industrial Co., Ltd.
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inventional additional inventional
Nobuo Takayuki Osamu
Asano Nakano Kato