Method and apparatus for enhancing signal-to-noise ratio of position location measurements

Abstract

PROBLEM TO BE SOLVED: To provide a method and apparatus for generating and use of a reference signal that allows a receiver to receive position location signals from relatively weak signal generators in the presence of a strong signal source.

SOLUTION: Position location reference signals from multiple sources can be synchronized to occur within a scheduled time slot of a time division multiplexed communication system. During the scheduled time slot each signal source can configure a transmission that includes a media access control address that corresponds to a value reserved for position location signals. Each signal source also configures the transmission to include a position location reference signal that corresponds to the signal source. The position location signals from each of the signal sources is positioned to occur at a time within the data portion of the scheduled time slot when no neighboring signal source transmits its corresponding position location signal.

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4G	18/07/2011	ISLD-201107-019	QUALCOMM INC	S1 TS Number: TS 136 133 Version No: Illustrative part: ---- Release: S2 TS Number: TS 136 211 Version No: Illustrative part: ---- Release: S3 TS Number: TS 136 355 Version No: Illustrative part: ---- Release: +2 -2	No	Family Member
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5G	12/03/2020	ISLD-202003-021	QUALCOMM INC	S1 TS Number: TS 138 211 Version No: Illustrative part: ---- Release: + -	No	Family Member

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US2006215618A1	4G	18/07/2011	ISLD-201107-019	QUALCOMM INC	S1 TS Number: TS 136 133 Version No: ---- Section No: Release : ---- S2 TS Number: TS 136 211 Version No: ---- Section No: Release : ---- S3 TS Number: TS 136 355 Version No: ---- Section No: Release : ---- +2 -2	Yes	Basis Patent
US2006215618A1	Not Available	18/07/2011	ISLD-201107-019	QUALCOMM INC	S1 TS Number: TS 136 133 Version No: ---- Section No: Release : ---- S2 TS Number: TS 136 211 Version No: ---- Section No: Release : ---- S3 TS Number: TS 136 355 Version No: ---- Section No: Release : ---- +2 -2	Yes	Basis Patent
US2006215618A1	5G	12/03/2020	ISLD-202003-021	QUALCOMM INC	S1 TS Number: TS 138 211 Version No: ---- Section No: ---- Release : ---- + -	No	Family Member
US7920544B2	4G	18/07/2011	ISLD-201107-019	QUALCOMM INC	S1 TS Number: TS 136 133 Version No: ---- Section No: Release : ---- S2 TS Number: TS 136 211 Version No: ---- Section No: Release : ---- S3 TS Number: TS 136 355 Version No: ---- Section No: Release : ---- +2 -2	Yes	Basis Patent
US7920544B2	Not Available	18/07/2011	ISLD-201107-019	QUALCOMM INC	S1 TS Number: TS 136 133 Version No: ---- Section No: Release : ---- S2 TS Number: TS 136 211 Version No: ---- Section No: Release : ---- S3 TS Number: TS 136 355 Version No: ---- Section No: Release : ---- +2 -2	Yes	Basis Patent
US7920544B2	5G	12/03/2020	ISLD-202003-021	QUALCOMM INC	S1 TS Number: TS 138 211 Version No: ---- Section No: ---- Release : ---- + -	No	Family Member
CA2602256A1	4G	18/07/2011	ISLD-201107-019	QUALCOMM INC	S1 TS Number: TS 136 133 Version No: ---- Section No: Release : ---- S2 TS Number: TS 136 211 Version No: ---- Section No: Release : ---- S3 TS Number: TS 136 355 Version No: ---- Section No: Release : ---- +2 -2	Yes	Family Member
CA2602256A1	Not Available	18/07/2011	ISLD-201107-019	QUALCOMM INC	S1 TS Number: TS 136 133 Version No: ---- Section No: Release : ---- S2 TS Number: TS 136 211 Version No: ---- Section No: Release : ---- S3 TS Number: TS 136 355 Version No: ---- Section No: Release : ---- +2 -2	Yes	Family Member
CA2602256A1	5G	12/03/2020	ISLD-202003-021	QUALCOMM INC	S1 TS Number: TS 138 211 Version No: ---- Section No: ---- Release : ---- + -	No	Family Member
CA2602256C	4G	18/07/2011	ISLD-201107-019	QUALCOMM INC	S1 TS Number: TS 136 133 Version No: ---- Section No: Release : ---- S2 TS Number: TS 136 211 Version No: ---- Section No: Release : ---- S3 TS Number: TS 136 355 Version No: ---- Section No: Release : ---- +2 -2	Yes	Family Member
CA2602256C	Not Available	18/07/2011	ISLD-201107-019	QUALCOMM INC	S1 TS Number: TS 136 133 Version No: ---- Section No: Release : ---- S2 TS Number: TS 136 211 Version No: ---- Section No: Release : ---- S3 TS Number: TS 136 355 Version No: ---- Section No: Release : ---- +2 -2	Yes	Family Member
CA2602256C	5G	12/03/2020	ISLD-202003-021	QUALCOMM INC	S1 TS Number: TS 138 211 Version No: ---- Section No: ---- Release : ---- + -	No	Family Member
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EP1864410A2	5G	12/03/2020	ISLD-202003-021	QUALCOMM INC	S1 TS Number: TS 138 211 Version No: ---- Section No: ---- Release : ---- + -	No	Family Member
EP1864410B1	4G	18/07/2011	ISLD-201107-019	QUALCOMM INC	S1 TS Number: TS 136 133 Version No: ---- Section No: Release : ---- S2 TS Number: TS 136 211 Version No: ---- Section No: Release : ---- S3 TS Number: TS 136 355 Version No: ---- Section No: Release : ---- +2 -2	Yes	Family Member
EP1864410B1	Not Available	18/07/2011	ISLD-201107-019	QUALCOMM INC	S1 TS Number: TS 136 133 Version No: ---- Section No: Release : ---- S2 TS Number: TS 136 211 Version No: ---- Section No: Release : ---- S3 TS Number: TS 136 355 Version No: ---- Section No: Release : ---- +2 -2	Yes	Family Member
EP1864410B1	5G	12/03/2020	ISLD-202003-021	QUALCOMM INC	S1 TS Number: TS 138 211 Version No: ---- Section No: ---- Release : ---- + -	No	Family Member
JP2008537387A	4G	18/07/2011	ISLD-201107-019	QUALCOMM INC	S1 TS Number: TS 136 133 Version No: ---- Section No: Release : ---- S2 TS Number: TS 136 211 Version No: ---- Section No: Release : ---- S3 TS Number: TS 136 355 Version No: ---- Section No: Release : ---- +2 -2	Yes	Family Member
JP2008537387A	Not Available	18/07/2011	ISLD-201107-019	QUALCOMM INC	S1 TS Number: TS 136 133 Version No: ---- Section No: Release : ---- S2 TS Number: TS 136 211 Version No: ---- Section No: Release : ---- S3 TS Number: TS 136 355 Version No: ---- Section No: Release : ---- +2 -2	Yes	Family Member
JP2008537387A	5G	12/03/2020	ISLD-202003-021	QUALCOMM INC	S1 TS Number: TS 138 211 Version No: ---- Section No: ---- Release : ---- + -	No	Family Member
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US2012231803A1	5G	12/03/2020	ISLD-202003-021	QUALCOMM INC	S1 TS Number: TS 138 211 Version No: ---- Section No: ---- Release : ---- + -	Yes	Basis Patent
US8606220B2	4G	18/07/2011	ISLD-201107-019	QUALCOMM INC	S1 TS Number: TS 136 133 Version No: ---- Section No: Release : ---- S2 TS Number: TS 136 211 Version No: ---- Section No: Release : ---- S3 TS Number: TS 136 355 Version No: ---- Section No: Release : ---- +2 -2	No	Family Member
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US8606220B2	5G	12/03/2020	ISLD-202003-021	QUALCOMM INC	S1 TS Number: TS 138 211 Version No: ---- Section No: ---- Release : ---- + -	Yes	Basis Patent
ES2561942T3	4G	18/07/2011	ISLD-201107-019	QUALCOMM INC	S1 TS Number: TS 136 133 Version No: ---- Section No: Release : ---- S2 TS Number: TS 136 211 Version No: ---- Section No: Release : ---- S3 TS Number: TS 136 355 Version No: ---- Section No: Release : ---- +2 -2	No	Family Member
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