Multiplex communications – Generalized orthogonal or special mathematical techniques – Particular set of orthogonal functions
Reexamination Certificate
2011-04-19
2011-04-19
Pham, Chi H. (Department: 2471)
Multiplex communications
Generalized orthogonal or special mathematical techniques
Particular set of orthogonal functions
C370S334000, C370S343000, C370S345000, C375S260000, C375S316000
Reexamination Certificate
active
07929416
ABSTRACT:
A receiver in an OFDM based communication system is adapted to perform channel estimation using a received reference signal transmitted from at least one antenna The reference signal is substantially located into at least two OFDM symbols of a transmission time interval comprising of more than two OFDM symbols. A power level of said reference signal is divided into said non-consecutive OFDM symbols in said transmission time interval and adapted to use the reference signal located in a first OFDM symbol in succeeding transmission time intervals in addition to the reference symbols in a current transmission time interval and a preceding transmission time interval.
REFERENCES:
patent: 7027429 (2006-04-01), Laroia et al.
patent: 2005/0254592 (2005-11-01), Naguib et al.
patent: 2006/0256761 (2006-11-01), Meylan et al.
patent: 2008/0151989 (2008-06-01), Von Elbwart et al.
Dabak Anand
Onggosanusi Eko N.
Papasakellariou Aris
Schmidl Timothy M.
Brady W. James
Hom Shick
Pham Chi H.
Shaw Steven A.
Telecky , Jr. Frederick J.
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