Mobile telecommunication device and method used for changing wir

Details Mobile telecommunication device and method used for changing wir Mobile telecommunication device and method used for changing wir

1995-09-08

1998-03-24

Urban, Edward F.

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

455432, 455525, H04B 138

Patent

active

057323607

ABSTRACT:
A remote unit has the ability to switch automatically from a public network to a non-public network comprising of private and residential base stations. In the preferred embodiment, the public network is characterized by cells with each cell having a unique identification signal. Initially, a first switchover from a public network to a non-public network requires the user to manually cause the switchover. The remote unit stores the first identification signal transmitted by the base station from which the remote unit traversed into the region covered by the non-public base station. In addition, the remote unit stores the identification signal associated with a cell of the public network previous to the current cell if the switchover occurred less than two (2) minutes from the exit of the previous cell. In this manner, the remote unit can adaptively learn as it traverses other possible paths from other cells into the region covered by the non-public base station.

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800MHz TDMA Cellular--Radio Interface--Mobile Station --Base Station Compatibility--Digital Control Channel, Telecommunications Industry Association TIA/EIA/IS-136.1 Interim Standard, Dec. 1994.
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800MHz TDMA Cellular--Radio Interface--Minimum Performance Standards for Base Stations, Telecommunications Industry Association TIA/EIA/IS-138 Interim Standard, Dec. 1994.

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