|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||455/410 ; 455/411 ; 455/067.1|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 28 인용 특허 : 57|
A system and method for the detection of fraudulent use of a wireless telephone system includes a fingerprint analyzer that identifies an unauthenticated wireless telephone as authorized or fraudulent based on a fingerprint of the unauthenticated wireless telephone. The system maintains a valid destination list specific for each authorized wireless telephone. Each valid destination list contains destinations considered to be valid for that particular authorized wireless telephone. When an unauthenticated wireless telephone transmits a call request contai...
[ What is claimed is:] [1.] A method of preventing fraudulent calls by users of a wireless telephone system including a fingerprint analyzer that identifies an unauthenticated wireless telephone as authorized or fraudulent based on a fingerprint analysis of comparing a transmission characteristic of the unauthenticated wireless telephone with a stored fingerprint of a corresponding authorized wireless telephone using a first threshold for the fingerprint analysis, the method comprising the steps of:maintaining a plurality of locally valid data, each loca...