Method and apparatus for information recovery in a radio communi

Details Method and apparatus for information recovery in a radio communi Method and apparatus for information recovery in a radio communi

1995-08-28

1997-02-11

Chin, Stephen

Pulse or digital communications

Receivers

Angle modulation

329300, H03D 300, H04L 2722

Patent

active

056028776

ABSTRACT:
A radio communication device (100) for recovering information from a received signal includes a demodulator (110) for demodulating the received signal into in-phase (I) and quadrature (Q) components and a multiplier (115) for multiplying the I and Q components together to generate a multiplied waveform. A polarity detector (125) coupled to the multiplier (115) determines from the multiplied waveform a polarity variable indicative of a data symbol, and a processor (135) recovers the information from the received signal in accordance with the data symbol.

REFERENCES:
patent: 4944025 (1990-07-01), Gehring et al.
patent: 4979230 (1990-12-01), Marz
patent: 5003621 (1991-03-01), Gailus
patent: 5309483 (1994-05-01), Oliboni et al.
patent: 5448594 (1995-09-01), Huang et al.

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