Method and apparatus for receiving symbols

Details Method and apparatus for receiving symbols Method and apparatus for receiving symbols

1995-06-28

1998-02-17

Vo, Don N.

Pulse or digital communications

Receivers

Angle modulation

375329, 375332, 455205, 329304, H03D 300, H03K 906

Patent

active

057199035

ABSTRACT:
Delayed symbols (204), including a current symbol (205), are compared by a comparator (206) with at least one predetermined pattern when the current symbol is equivalent to one of a set of predetermined values. Alternatively, a sign of the current symbol is compared with signs of a previous and a subsequent symbol when the current symbol is equivalent to one of the set of predetermined values. When the current symbol is equivalent to one of the set of predetermined values and when either the delayed symbols are equivalent to one of the at least one predetermined pattern or the sign of the current symbol matches the signs of the previous and subsequent symbols, a symbol corrector (208) applies a predetermined function to the current symbol to produce a received symbol (210).

REFERENCES:
patent: 5208836 (1993-05-01), Edbauer
patent: 5307380 (1994-04-01), Kume
patent: 5377229 (1994-12-01), Wilson et al.
patent: 5412694 (1995-05-01), Sato et al.
patent: 5450451 (1995-09-01), Isozaki

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