Patent ID: 7227858
Filing Date: 2007-06-05
Classification: H04J

Abstract:
1. A method of synchronizing a plurality of stations without broadcasting a synchronization signal between the plurality of stations, comprising the steps of a) presetting at least one user-definable environmental variable of monitoring a synchronization event for each of the plurality of stations prior to deployment of the stations; b) presetting an interval of time for each of the plurality of stations prior to deployment of the stations, where the interval of time is chosen in light of the at least one user-definable environmental variable preset in step (a), and where the time interval is changeable by any of the stations after deployment without communication with any other station; c) deploying the plurality of stations; d) waiting the interval of time at each of the plurality of stations; e) measuring the at least one user-definable environmental variable at each of the plurality of stations; f) if the measurement made in step (e) is not within a first user-definable range then returning to step (d); g) if the measurement made in step (e) is not within a second user-definable range then resetting the interval of time to an interval of time that is less than the interval of time by a user-definable amount and returning to step (d); and h) synchronizing a clock within each of said plurality of stations to coincide with the time of the measurement of the synchronization event, and returning to step (d).