Inter-cellular interference detection by canceling data corruption events reported by mobile stations
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United States of America Patent
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-
May 2, 1995
Grant Date -
N/A
app pub date -
Oct 25, 1993
filing date -
Oct 23, 1992
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Within a cell of a TDMA mobile communication system, each mobile station transmits a control message on an up-link frame. On receiving it, the base station determines if the message quality is affected during transmission. A corruption status indication is stored into a position of a frame status memory corresponding to the up-link frame if the message quality is low. When the base station detects a frame identification contained in the received message, it erases the corruption status indication stored in a position identified by the detected frame identification, and transmits a control message on a down-link frame, containing the result of the quality determination. In response, the mobile station stores the identification of the frame of the message into a collision memory, and retransmits a copy of the up-link control message containing the frame identification.
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