METHOD AND APPARATUS FOR GENERATING PILOT TONE IN ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING ACCESS SYSTEM, AND METHOD AND APPARATUS FOR ESTIMATING CHANNEL USING IT

Abstract

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.

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Technology	Declaration Information			Specification Information	Explicitly Disclosed	Patent Type
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4G	02/05/2017	ISLD-201704-010	GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD	S1 TS Number: TS 136 211 Version No: ---- Illustrative part: ---- Release No: ---- S2 TS Number: TS 136 212 Version No: ---- Illustrative part: ---- Release No: ---- S3 TS Number: TS 136 331 Version No: ---- Illustrative part: ---- Release No: ---- +2 -2	Yes	Basis Patent
4G	09/12/2020	ISLD-202001-013	GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD	S1 TS Number: TS 136 211 Version No: ---- Illustrative part: ---- Release No: ---- S2 TS Number: TS 136 212 Version No: ---- Illustrative part: ---- Release No: ---- S3 TS Number: TS 136 331 Version No: ---- Illustrative part: ---- Release No: ---- +2 -2	No	Family Member
4G	09/12/2020	ISLD-202001-013	GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD	S1 TS Number: TS 136 211 Version No: ---- Illustrative part: ---- Release No: ---- S2 TS Number: TS 136 212 Version No: ---- Illustrative part: ---- Release No: ---- S3 TS Number: TS 136 331 Version No: ---- Illustrative part: ---- Release No: ---- +2 -2	Yes	Basis Patent
5G	29/03/2021	ISLD-202103-029	GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD	S1 TS Number: TS 138 211 Version No: ---- Illustrative part: ---- Release No: ---- + -	No	Family Member

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US2014064239A1	4G	02/05/2017	ISLD-201704-010	GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD	S1 TS Number: TS 136 211 Version No: -- Section No: -- Release No: -- S2 TS Number: TS 136 212 Version No: -- Section No: -- Release No: -- S3 TS Number: TS 136 331 Version No: -- Section No: -- Release No: -- +2 -2	No	Family Member
US2014064239A1	4G	09/12/2020	ISLD-202001-013	GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD	S1 TS Number: TS 136 211 Version No: -- Section No: -- Release No: -- S2 TS Number: TS 136 212 Version No: -- Section No: -- Release No: -- S3 TS Number: TS 136 331 Version No: -- Section No: -- Release No: -- +2 -2	Yes	Basis Patent
US2014064239A1	4G	09/12/2020	ISLD-202001-013	GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD	S1 TS Number: TS 136 211 Version No: -- Section No: -- Release No: -- S2 TS Number: TS 136 212 Version No: -- Section No: -- Release No: -- S3 TS Number: TS 136 331 Version No: -- Section No: -- Release No: -- +2 -2	No	Family Member
US2014064239A1	5G	29/03/2021	ISLD-202103-029	GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD	S1 TS Number: TS 138 211 Version No: -- Section No: -- Release No: -- + -	No	Family Member
US9276719B2	4G	04/01/2017	ISLD-201701-003	GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD	S1 TS Number: TS 136 211 Version No: -- Section No: -- Release No: -- S2 TS Number: TS 136 212 Version No: -- Section No: -- Release No: -- S3 TS Number: TS 136 331 Version No: -- Section No: -- Release No: -- +2 -2	Yes	Basis Patent
US9276719B2	4G	02/05/2017	ISLD-201704-010	GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD	S1 TS Number: TS 136 211 Version No: -- Section No: -- Release No: -- S2 TS Number: TS 136 212 Version No: -- Section No: -- Release No: -- S3 TS Number: TS 136 331 Version No: -- Section No: -- Release No: -- +2 -2	No	Family Member
US9276719B2	4G	09/12/2020	ISLD-202001-013	GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD	S1 TS Number: TS 136 211 Version No: -- Section No: -- Release No: -- S2 TS Number: TS 136 212 Version No: -- Section No: -- Release No: -- S3 TS Number: TS 136 331 Version No: -- Section No: -- Release No: -- +2 -2	Yes	Basis Patent
US9276719B2	4G	09/12/2020	ISLD-202001-013	GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD	S1 TS Number: TS 136 211 Version No: -- Section No: -- Release No: -- S2 TS Number: TS 136 212 Version No: -- Section No: -- Release No: -- S3 TS Number: TS 136 331 Version No: -- Section No: -- Release No: -- +2 -2	No	Family Member
US9276719B2	5G	29/03/2021	ISLD-202103-029	GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD	S1 TS Number: TS 138 211 Version No: -- Section No: -- Release No: -- + -	No	Family Member
KR100877750B1	4G	02/05/2017	ISLD-201704-010	GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD	S1 TS Number: TS 136 211 Version No: -- Section No: -- Release No: -- S2 TS Number: TS 136 212 Version No: -- Section No: -- Release No: -- S3 TS Number: TS 136 331 Version No: -- Section No: -- Release No: -- +2 -2	No	Family Member
KR100877750B1	4G	09/12/2020	ISLD-202001-013	GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD	S1 TS Number: TS 136 211 Version No: -- Section No: -- Release No: -- S2 TS Number: TS 136 212 Version No: -- Section No: -- Release No: -- S3 TS Number: TS 136 331 Version No: -- Section No: -- Release No: -- +2 -2	No	Family Member
KR100877750B1	5G	29/03/2021	ISLD-202103-029	GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD	S1 TS Number: TS 138 211 Version No: -- Section No: -- Release No: -- + -	No	Family Member
KR20080060843A	4G	02/05/2017	ISLD-201704-010	GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD	S1 TS Number: TS 136 211 Version No: -- Section No: -- Release No: -- S2 TS Number: TS 136 212 Version No: -- Section No: -- Release No: -- S3 TS Number: TS 136 331 Version No: -- Section No: -- Release No: -- +2 -2	No	Family Member
KR20080060843A	4G	09/12/2020	ISLD-202001-013	GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD	S1 TS Number: TS 136 211 Version No: -- Section No: -- Release No: -- S2 TS Number: TS 136 212 Version No: -- Section No: -- Release No: -- S3 TS Number: TS 136 331 Version No: -- Section No: -- Release No: -- +2 -2	No	Family Member
KR20080060843A	5G	29/03/2021	ISLD-202103-029	GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD	S1 TS Number: TS 138 211 Version No: -- Section No: -- Release No: -- + -	No	Family Member
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US2010040159A1	4G	09/12/2020	ISLD-202001-013	GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD	S1 TS Number: TS 136 211 Version No: -- Section No: -- Release No: -- S2 TS Number: TS 136 212 Version No: -- Section No: -- Release No: -- S3 TS Number: TS 136 331 Version No: -- Section No: -- Release No: -- +2 -2	Yes	Basis Patent
US2010040159A1	4G	09/12/2020	ISLD-202001-013	GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD	S1 TS Number: TS 136 211 Version No: -- Section No: -- Release No: -- S2 TS Number: TS 136 212 Version No: -- Section No: -- Release No: -- S3 TS Number: TS 136 331 Version No: -- Section No: -- Release No: -- +2 -2	No	Family Member
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US2015155985A1	4G	09/12/2020	ISLD-202001-013	GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD	S1 TS Number: TS 136 211 Version No: -- Section No: -- Release No: -- S2 TS Number: TS 136 212 Version No: -- Section No: -- Release No: -- S3 TS Number: TS 136 331 Version No: -- Section No: -- Release No: -- +2 -2	No	Family Member
US2015155985A1	5G	29/03/2021	ISLD-202103-029	GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD	S1 TS Number: TS 138 211 Version No: -- Section No: -- Release No: -- + -	No	Family Member
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WO2008078932A1	4G	09/12/2020	ISLD-202001-013	GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD	S1 TS Number: TS 136 211 Version No: -- Section No: -- Release No: -- S2 TS Number: TS 136 212 Version No: -- Section No: -- Release No: -- S3 TS Number: TS 136 331 Version No: -- Section No: -- Release No: -- +2 -2	No	Family Member
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