Finnegan, Henderson, Farabow, Garrett & Dunner, LLP
Method and apparatus for generating pilot tone in orthogonal frequency division multiplexing access system, and method and apparatus for estimating channel using it
The present invention relates to a pilot tone generating method and apparatus of an orthogonal frequency division multiple access system and method, and a channel estimation method and apparatus using the same. The channel estimation apparatus includes a pilot tone extracting unit for extracting a pilot tone, which is inserted within a frame with data tone, masked with an orthogonal code; a pilot tone unmasking unit for unmasking of the pilot tone extracted from the pilot tone extracting unit by using an orthogonal code information; and a channel estimation operating unit for estimating a channel by calculating an average of the pilot tones which is unmasked in the unmasking unit.
Guangdong OPPO Mobile Telecommunications Corp., Ltd.
H H H H H H H H H
H04L H04L H04L H04J H04L H04L H04L H04W H04J
inventional inventional inventional inventional additional inventional inventional additional additional
Dong-Kwan Jung-Ju
Lee Kim