CDMA receiving device and SFN detecting method used for the...

Details CDMA receiving device and SFN detecting method used for the... CDMA receiving device and SFN detecting method used for the...

2007-01-09

2011-12-27

Sinkantarakorn, Pao (Department: 2464)

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

C370S342000, C370S441000, C370S479000

Reexamination Certificate

active

08085736

ABSTRACT:
A CDMA receiving device is provided which can prevent erroneous determination of an SFN detection. The CDMA receiving device (1) performs detection of a slot boundary in a slot timing detection unit (14), and performs detection of frame timing and code group in a code group identification unit (15), with regard to each slot timing detected in this way. The CDMA receiving device (1) uses a P-CPICH to detect scrambling code in a scrambling code identification unit (16) from the detected frame timing and code group. The CDMA receiving device (1) performs detection of SFN in a broadcast channel decoding unit (17) from the frame timing and the scrambling code. A P-CCPCH is used in the detection of the SFN. The SFN is included in the P-CCPCH and it is possible to detect SFN timing of a base station by decoding a BCH.

REFERENCES:
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International Search Report for PCT/JP2007/050093 mailed Feb. 6, 2007.
Motorola, “Performance Comparison of E-DPCCH Using Energy Detection vs. CRC”, 3GPP RAN1 #40, R1-05-0117, Feb. 2005, pp. 1-6.
International Preliminary Report on Patentability with Written Opinion for PCT/JP2007/050093 mailed Jul. 24, 2008.

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