The invention consists of methods and apparatus to estimate the position and velocity of a Mobile Receiver (MR) using either the Time Of Arrival (TOA) of signals received by the MR, their Phase Of Arrival (POA), their Strength Of Arrival (SOA), their Frequency Of Arrival (FOA), or a combination thereof,...http://www.google.se/patents/US6204812?utm_source=gb-gplus-sharePatent US6204812 - Methods and apparatus to position a mobile receiver using downlink signals, part II
