Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Johan Nilsson0
Date of Patent
June 26, 2007
0Patent Application Number
104581280
Date Filed
June 10, 2003
0Patent Primary Examiner
Patent abstract
A method of channel estimation in a transmission diversity system includes observing phase differences between channel estimates in a diversity antenna, either determining whether a phase shift is a right half plane or a left half plane and calculating a left/right estimate, or determining whether a phase shift is in a lower half plane or an upper half plane and calculating an up/down estimate, and performing an estimate of the transmitted phase using the sum over at least two slots of one left/right estimate or one up/down estimate.
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