Method for synchronizing frame by using pilot pattern in...

Details Method for synchronizing frame by using pilot pattern in... Method for synchronizing frame by using pilot pattern in...

2005-09-20

2005-09-20

Phu, Phuong (Department: 2631)

Pulse or digital communications

Spread spectrum

Direct sequence

C375S150000, C375S142000, C375S365000, C375S343000, C370S509000

Reexamination Certificate

active

06947476

ABSTRACT:
Method for synchronizing frames by using pilot patterns in a compressed mode. In a case a W-CDMA mobile communication system is operated in a compressed mode, the present invention permits to restore perfect frame synchronization words in frames by using dedicated pilot sequence pattern, and achieve frame synchronization by using correlation of the restored frame synchronization words, even if all the 15 slots of one frame are not transmitted.

REFERENCES:
patent: 5844907 (1998-12-01), Uchiki et al.
patent: 5991330 (1999-11-01), Dahlman et al.
patent: 6084865 (2000-07-01), Dent
patent: 6118825 (2000-09-01), Ikeda et al.
patent: 6549544 (2003-04-01), Kroeger et al.
patent: 6618367 (2003-09-01), Riazi et al.
patent: 0 905 941 (1999-03-01), None
3rd Generation Partnership Project (3GPP) Technical Specification Group Radio Access Network Multiplexing and Channel Coding (FDD) (3G TS 25.212 version 3.3.0) (XP-002149187).

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