Mobile data communication system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 27, 2001
Grant Date -
N/A
app pub date -
Jul 29, 1998
filing date -
Jul 29, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In data transmission from a base station to a mobile station, a received signal strength is monitored at the base station and the mobile station and, when the received signal strength reduces to less than a predetermined level, the base station concurrently transmits a plurality of radio signals each having a different frequencies and conveying the same data. At the mobile station, the original data is reproduced from the radio signals received from the base station.
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