Receiving apparatus

Details Receiving apparatus Receiving apparatus

2009-02-13

2011-12-13

Vo, Don N (Department: 2611)

Pulse or digital communications

Receivers

Particular pulse demodulator or detector

Reexamination Certificate

active

08077811

ABSTRACT:
For each of a plurality of control channels, a likelihood indicated by a state metric of each state at the last point which is obtained at the time of Viterbi decoding is obtained. This Viterbi decoding is not cut off and performed to convolutionally coded data of the corresponding control channel. The ranking of the likelihood is obtained as a possibility ranking SM0RANK indicating the possibility of the control channel to be a control channel for a particular receiving apparatus. From the plurality of control channels, the control channels with the possibility ranking SM0RANK more or equal to a predetermined threshold are selected as candidate channels. An output likelihood of each candidate channel which is obtained in the Viterbi decoding is normalized with a receiving intensity of the corresponding candidate channel to detect a candidate channel having the highest normalized output likelihood as the control channel for the receiving apparatus.

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