Multiplex communications – Communication over free space – Having a plurality of contiguous regions served by...
Reexamination Certificate
2006-05-30
2006-05-30
Nguyen, Chau (Department: 2663)
Multiplex communications
Communication over free space
Having a plurality of contiguous regions served by...
C370S341000
Reexamination Certificate
active
07054284
ABSTRACT:
The present invention is a novel and improved method and apparatus for supervising a potentially gated channel in a wireless communication system. The first method is an extension of the method used in IS-95 with empty frames simply ignored, but with potentially different thresholds. The mobile station maintains a counter of consecutive bad frames, COUNT1, and a counter of consecutive good frames, COUNT2. COUNT1and COUNT2are set to zero at the beginning of a call. For each frame received, the mobile station determines if it is a good frame, a bad frame, or an empty frame. If the received frame is a good frame, COUNT1is reset to zero and COUNT2is incremented by 1. If the received frame is a bad frame, COUNT1is incremented by one and COUNT2is reset to zero. If the received frame is an empty frame, COUNT1and COUNT2are unchanged. If COUNT1reaches a threshold value, TH1, the mobile station shall disable its transmitter. Thereafter, if COUNT2reaches a threshold value, TH2, the mobile station shall re-enable its transmitter. The mobile station resets its fade timer to X seconds whenever COUNT2is greater than or equal to TH3.
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Jou Yu-Cheun
Tiedemann Jr. Edward G.
Godsey Sandra L.
Hyun Soon-Dong
Nguyen Chau
Nguyen Thien T.
QUALCOMM Incorporated
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