Reception quality measurement method, transmission power...

Details Reception quality measurement method, transmission power... Reception quality measurement method, transmission power...

2008-05-28

2010-11-09

Trost, IV, William (Department: 2472)

Multiplex communications

Diagnostic testing

Determination of communication parameters

C370S241000, C455S522000

Reexamination Certificate

active

07830818

ABSTRACT:
A mobile station that receives F-DCPH symbols and CPICH symbols from a base station: (1) averages a plurality of CPICH symbols in a time sequence before a certain time of interest and estimates a channel, then uses the obtained channel estimation value and the CPICH symbol at the time of interest to calculate an interference power ISCP; (2) averages a plurality of CPICH symbols in a time sequence that include the CPICH symbol at the time of interest and estimates a channel, then uses the obtained channel estimation value and the CPICH symbol at that time of interest to calculate a reference ISCP; (3) corrects an interference power ISCP at the next time of interest using the difference between the ISCP and the reference ISCP; and (4) uses the ISCP that is obtained by the correction and a reception power RSCP of the F-DCPH symbol to calculate a signal to interference power ratio SIR of the mobile station.

REFERENCES:
patent: 2004/0259584 (2004-12-01), Murata et al.
patent: 1901440 (2008-03-01), None
patent: 11308655 (1999-11-01), None
patent: 2005-012512 (2005-01-01), None
patent: 2007004292 (2007-01-01), None
patent: WO 2007/004292 (2007-01-01), None
Partial European Search Report dated Feb. 18, 2010 received in corresponding EP Patent Application No. 08157991.4-2411/2009818.
Partial European Search Report dated May 7, 2010 received in corresponding EP Patent Application No. 08157991.4-2411/2009818.

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