Channel sounding for improved system performance

Abstract

The transmitter generates a low rate signal and transmits it to the target receiver. The target receiver generates and transmits a channel sounding response (CSR) upon receipt of this low rate signal. A CSR is a short burst that carries certain information, with a predefined transmission format. The transmitter then analyzes the CSR, determines the uplink channel response to approximate the downlink channel response, and determines appropriate transmission parameter settings based on this analysis and the downlink channel response estimate. The adjustment of the transmission parameter may be performed in either a medium access control (MAC) layer or a PHYs (PHYs) layer, or a combination of the two layers. The transmitter adjusts the transmission parameters, modulates the user data on the subcarriers according to the determined transmission parameter settings, and then transmits the user data to the receiver over the desired bandwidth portion. In a preferred embodiment, the transmitter generates a transmit format control (TFC) signal including the subcarrier modulation information and the determined transmission parameter setting and transmits it to the receiver.

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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
4G	19/09/2008	ISLD-200901-001	INTERDIGITAL INC	S1 TS Number: TS 136 211 Version No: ---- Illustrative part: ---- Release: ---- S2 TS Number: TS 136 213 Version No: ---- Illustrative part: ---- Release: ---- +1 -1	No	Family Member
4G	19/09/2008	ISLD-200901-001	INTERDIGITAL INC	S1 TS Number: TS 136 211 Version No: ---- Illustrative part: ---- Release: ---- S2 TS Number: TS 136 213 Version No: ---- Illustrative part: ---- Release: ---- +1 -1	Yes	Family Member
5G	22/12/2017	ISLD-201711-005	INTERDIGITAL INC	S1 TS Number: TS 138 212 Version No: ---- Illustrative part: ---- Release: ---- S2 TS Number: TS 138 213 Version No: ---- Illustrative part: ---- Release: ---- +1 -1	No	Family Member
5G	21/06/2019	ISLD-201906-026	INTERDIGITAL INC	S1 TS Number: TS 138 212 Version No: ---- Illustrative part: ---- Release: ---- S2 TS Number: TS 138 213 Version No: ---- Illustrative part: ---- Release: ---- +1 -1	No	Family Member

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US2006034165A1	5G	22/12/2017	ISLD-201711-005	INTERDIGITAL INC	S1 TS Number: TS 138 212 Version No: -- Section No: -- Release : -- S2 TS Number: TS 138 213 Version No: -- Section No: -- Release : -- +1 -1	Yes	Basis Patent
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US2016380712A1	5G	22/12/2017	ISLD-201711-005	INTERDIGITAL INC	S1 TS Number: TS 138 212 Version No: -- Section No: -- Release : -- S2 TS Number: TS 138 213 Version No: -- Section No: -- Release : -- +1 -1	No	Family Member
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Publication No	Technology	Declaration Information			Specification Information				Explicitly Disclosed	Patent Type	Status	National Phase Entries
Publication No	Technology	Declaration Date	Declaration Reference	Declaring Company	Specification Information				Explicitly Disclosed	Patent Type	Status	National Phase Entries
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Technologies

Resource configuration

Multiple-Input Multiple-Output(MIMO)/Massive MIMO

Product

Base Station (eNB/gNB)

User Equipment (UE/Terminal)

Use Cases

Wireless communication

Services

Channel Quality Measurement/Estimation

Claim

Associated Portfolios

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Note:

The information in blue was extracted from the third parties (Standard Setting Organisation, Espacenet)

The information in grey was provided by the patent holder

The information in purple was extracted from the FrandAvenue

Explicitly disclosed patent:openly and comprehensibly describes all details of the invention in the patent document.

Implicitly disclosed patent:does not explicitly state certain aspects of the invention, but still allows for these to be inferred from the information provided.

Basis patent:The core patent in a family, outlining the fundamental invention from which related patents or applications originate.

Family member:related patents or applications that share a common priority or original filing.

KR20060050414A

5G,4G

Title

Channel sounding for improved system performance

Application Number:

Publication Date:

Current Assignee:

Family ID:

Application Date:

Declaring Company:

Publication Country:

Priority Date:

View on Espacenet

Title

Channel sounding for improved system performance

Application Number:

Family ID:

Publication Country:

Publication Date:

Application Date:

Priority Date:

Current Assignee:

Declaring Company:

View on Espacenet

Abstract

Specification Information

Specification Information

Technologies

Family Information

Technologies

Product

Use Cases

Services

Claim

Associated Portfolios

Note: