Carrier sensing, signal quality and link quality in a receiver

Details Carrier sensing, signal quality and link quality in a receiver Carrier sensing, signal quality and link quality in a receiver

2007-07-17

2007-07-17

Lugo, David B. (Department: 2611)

Pulse or digital communications

Spread spectrum

Direct sequence

C375S343000

Reexamination Certificate

active

10352872

ABSTRACT:
In a receiver, two low-pass equivalent signal detection criterions when the timing, phase and amplitude of the received signal are known and unknown, respectively, are provided for the detection of the presence of a Barker sequence in a received signal by Neyman-Pearson hypothesis testing rule. In addition, signal quality and link quality to measure the current quality of environments for signal reception are provided by the employment of a differential decoder and a Viterbi decoder in the baseband receiver.

REFERENCES:
patent: 6373858 (2002-04-01), Soleimani et al.
patent: 7103335 (2006-09-01), Hosomi

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