Method of controlling a communication system and the system employing the method
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United States of America Patent
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Apr 29, 2003
Grant Date -
N/A
app pub date -
Apr 20, 1999
filing date -
Apr 25, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method is described of controlling a communication system using a continuous FDD channel. Each time segment of the channel is divided into a predetermined number of sub-segments. For a first set of time segments, the communication signal data for the respective time segment is repeated in all sub-segments, and for a second set of time segments, null periods are provided in one or more of the sub-segments during which the communication signal from the first station to the second station is interrupted. The communication signal data is transmitted during the remaining sub-segments of the second set. This approach enables a slotted transmission mode to be established in a CDMA FDD system, without the need to adapt the spreading ratio of the CDMA system.
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