Multiplex communications – Diagnostic testing – Determination of communication parameters
Reexamination Certificate
2006-02-07
2006-02-07
Hsu, Alpus H. (Department: 2665)
Multiplex communications
Diagnostic testing
Determination of communication parameters
C370S335000, C370S342000, C455S452200, C455S522000
Reexamination Certificate
active
06996069
ABSTRACT:
Techniques to support independent power control of multiple channels in CDMA systems (e.g., a W-CDMA system) that define a single power control feedback stream on the uplink, which is to be used for downlink power control. In one aspect, the single feedback stream is “time shared” among multiple channels requiring individual power control. Various time-sharing schemes may be used to implement multiple (substantially parallel) feedback substreams based on the single feedback stream, and different combination of feedback rates may also be achieved for the substreams. Each feedback substream may be assigned to, and used for power control of, a respective channel. In another aspect, multiple feedback substreams are implemented based on multiple fields in newly defined slot formats.
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Hsu Alpus H.
Nguyen Thien T.
QUALCOMM Incorporated
Wadsworth Phillip R.
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