Apparatus and method for channel estimation in wireless...

Details Apparatus and method for channel estimation in wireless... Apparatus and method for channel estimation in wireless...

2011-03-08

2011-03-08

Ngo, Ricky (Department: 2464)

Multiplex communications

Diagnostic testing

Determination of communication parameters

C370S235000

Reexamination Certificate

active

07903582

ABSTRACT:
An apparatus and method for channel estimation in a wireless communication system are provided. The apparatus includes a Channel Quality Indicator (CQI) memory unit for collecting a predetermined number of pieces of channel information for two or more mobile stations (MSs), a CQI DIFference (CQIDIF) memory unit for storing a predetermined number of differences between consecutive pieces of channel information with respect to each MS, a CQIDIF dispersion unit for calculating a predetermined number of dispersions between two pieces of consecutive channel information with respect to each MS, and a second comparator for comparing a dispersion for differences between the two consecutive pieces of channel information with a second threshold to identify a Rician channel.

REFERENCES:
patent: 6275483 (2001-08-01), Papasakellariou et al.
patent: 2007/0066242 (2007-03-01), Yi et al.
patent: 2009/0010319 (2009-01-01), Sun et al.
patent: 2010/0002597 (2010-01-01), Sampath et al.

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