Multiplex communications – Communication over free space – Having a plurality of contiguous regions served by...
Reexamination Certificate
2006-09-22
2010-10-19
Afshar, Kamran (Department: 2617)
Multiplex communications
Communication over free space
Having a plurality of contiguous regions served by...
C370S328000, C370S332000, C455S439000, C455S440000
Reexamination Certificate
active
07817600
ABSTRACT:
A method is provided for performing handover by a terminal in a digital broadcasting system. The method includes measuring strength of a received signal from a serving broadcast transmitter while receiving a broadcast service, and comparing the measured strength of the received signal with a predetermined reference value; periodically measuring strength of the received signal while continuously receiving the broadcast service when the measured strength of the received signal is greater than the reference value; sending a handover start request message for the broadcasting system to a base station of a mobile communication system when the measured strength of the received signal is less than or equal to the reference value; and performing handover from the serving broadcast transmitter to a target broadcast transmitter upon receipt of an accept message for the handover start request for the broadcasting system from the base station.
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Lee Hye-Young
Lee Jong-Hyo
Lee Kook-Heui
Song Jae-Yeon
Afshar Kamran
Samsung Electronics Co,. Ltd.
The Farrell Law Firm, LLP
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