Filter bank and receiver for processing continuous phase...

Details Filter bank and receiver for processing continuous phase... Filter bank and receiver for processing continuous phase...

2005-10-25

2005-10-25

Chin, Stephen (Department: 2634)

Pulse or digital communications

Receivers

Particular pulse demodulator or detector

C375S316000, C375S340000, C714S796000

Reexamination Certificate

active

06959054

ABSTRACT:
A filter bank (10) and receiver including the filter bank (10) that is designed for processing a baseband signal of a received continuous phase modulated signal S(t) with an integer modulation index. The filter bank (10) has outputs for providing a plurality of decision variable values (d1,d2,d3,d4) each representing a likelihood value of a symbol, from a group of predefined symbols that are likely to be present in the continuous phase modulated signal S(t). The filter bank10has filter units (12,14,16,18) each having an impulse response determined by a complex main pulse containing a majority of signal energy of one of the predefined symbols that is likely to be in the continuous phase modulated signal S(t).

REFERENCES:
patent: 6389574 (2002-05-01), Belveze et al.
Cyclic spectral analysis of continuous-phase modulated signals□□Napolitano, A.; Spooner, C.M.; Signal Processing, IEEE Transactions on [see also Acoustics, Speech, and Signal Processing, IEEE Transactions on, vol. 49 , Issue: 1, Jan. 2001 pp. 30-34.

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