The base station how to distinguish mobile:
1, the frequency, time slice.
2, multiple access and multiplexing.
How to find a mobile phone base stations:
1, GSM: different broadcast frequencies different base stations, need to scan the entire band.
2, CDMA: (different spreading codes) with a fixed frequency
How to find mobile phone base stations:
1, the base station paging: Location Reporting, periodic reporting.
How to identify the phone user:
1, IMSI (International Mobile Subscriber Identity)
2, the operator's encryption algorithm (A3, A5, A8)
