Timing synchronization for M-DPSK channels

Details Timing synchronization for M-DPSK channels Timing synchronization for M-DPSK channels

2005-12-06

2005-12-06

Fan, Chieh M. (Department: 2638)

Pulse or digital communications

Receivers

Angle modulation

C375S283000, C375S355000

Reexamination Certificate

active

06973142

ABSTRACT:
The present invention discloses an improved method of timing synchronization with transmitted data packets in a receiver on a communication channel using differential phase shift keying (DPSK) modulation—especially an RF wireless communication channel. The invention reduces the complexity of the circuits, especially the multipliers, required for digital signal processing. The invention also increases performance compared to previously known methods.

REFERENCES:
patent: 5535252 (1996-07-01), Kobayashi
patent: 5812207 (1998-09-01), Cahill, III
patent: 5815541 (1998-09-01), Fukushi
patent: 5854808 (1998-12-01), Peponides et al.
patent: 6424673 (2002-07-01), Chen et al.
patent: 2004/0017864 (2004-01-01), Chen
patent: WO/01/80508 (2001-10-01), None
Bluetooth SIG Radio Working Group, PHY Draft Specification , Version No. 0.5, date unknown.

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