Use of correlation combination to achieve channel detection

Abstract

Combinations of correlation results are used to achieve detection of multiple coded signals at a receiver in a wireless communications system. The code applied to signals includes a lower rate code and a higher rate code. The lower rate code is a nested or tiered code such that it comprises at least two code sequences of the higher rate code. The received coded signal is correlated with the higher rate code using a single higher rate correlator to provide a higher rate code correlation result. The higher rate code correlation results are fed to two or more lower rate code correlators that combine multiple higher rate code correlation results, each using a different lower rate code, to provide corresponding lower rate code correlation results. The presence of at least one coded signal or mutually exclusive coded signals can be determined from the lower rate code correlation results.

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Technology	Declaration Information			Specification Information	Explicitly Disclosed	Patent Type
Technology	Declaration Date	Declaration Reference	Declaring Company	Specification Information	Explicitly Disclosed	Patent Type
3G	14/09/2009	ISLD-200909-004	IPR LICENSING INC	S1 TS Number: TR 25 814 Version No: ---- Illustrative part: ---- Release: ---- + -	Yes	Basis Patent
4G	14/09/2009	ISLD-200909-004	IPR LICENSING INC	S1 TS Number: TS 136 300 Version No: ---- Illustrative part: ---- Release: ---- + -	Yes	Basis Patent
Not Available	14/09/2009	ISLD-200909-004	IPR LICENSING INC	S1 TS Number: TS 136 300 Version No: ---- Illustrative part: ---- Release: ---- + -	Yes	Basis Patent
3G	31/10/2011	ISLD-201109-018	IPR LICENSING INC	S1 TS Number: TS 125 211 Version No: ---- Illustrative part: ---- Release: ---- S2 TS Number: TS 125 213 Version No: ---- Illustrative part: ---- Release: ---- S3 TS Number: TS 125 214 Version No: ---- Illustrative part: ---- Release: ---- S4 TS Number: TS 125 309 Version No: ---- Illustrative part: ---- Release: ---- S5 TS Number: TS 125 321 Version No: ---- Illustrative part: ---- Release: ---- S6 TS Number: TS 125 331 Version No: ---- Illustrative part: ---- Release: ---- +5 -5	No	Family Member
4G	31/10/2011	ISLD-201109-018	IPR LICENSING INC	S1 TS Number: TS 136 211 Version No: ---- Illustrative part: 5.4.1 Release: ---- S2 TS Number: TS 136 213 Version No: ---- Illustrative part: 5.1.2.1 Release: ---- S3 TS Number: TS 136 321 Version No: ---- Illustrative part: 5.4.4 Release: ---- S4 TS Number: TS 136 331 Version No: ---- Illustrative part: 6.3.2 Release: ---- +3 -3	No	Family Member
3G,2G	27/03/2017	ISLD-201703-099	INTEL CORP	S1 TS Number: TS 123 060 Version No: ---- Illustrative part: 6 Release: ---- + -	No	Family Member
4G	27/03/2017	ISLD-201703-099	INTEL CORP	S1 TS Number: TS 123 401 Version No: ---- Illustrative part: 4.3.5 Release: ---- S2 TS Number: TS 136 300 Version No: ---- Illustrative part: ---- Release: ---- +1 -1	No	Family Member

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2G 3G 4G 5G

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Publication No	Technology	Declaration Information			Specification Information	Explicitly Disclosed	Patent Type
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US2016081048A1	3G	31/10/2011	ISLD-201109-018	IPR LICENSING INC	S1 TS Number: TS 125 211 Version No: -- Section No: -- Release : -- S2 TS Number: TS 125 213 Version No: -- Section No: -- Release : -- S3 TS Number: TS 125 214 Version No: -- Section No: -- Release : -- S4 TS Number: TS 125 309 Version No: -- Section No: -- Release : -- S5 TS Number: TS 125 321 Version No: -- Section No: -- Release : -- S6 TS Number: TS 125 331 Version No: -- Section No: -- Release : -- +5 -5	No	Family Member
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Publication No	Technology	Declaration Information			Specification Information				Explicitly Disclosed	Patent Type	Status	National Phase Entries
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US2009257479A1

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Use of correlation combination to achieve channel detection

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