Channel sounding for improved system performance

Abstract

The transmitter generates and transmits the low speed signal to the anticipative receiver. When receiving the low speed signal the anticipative receiver generates and transmits a channel sounding response (CSR). The channel sounding response is a short cluster with a scheduled transmitting format and carrying scheduled information. The transmitter analyzes the CSR and decides the uplink channel response and evaluates the downlink channel response. The transmitting parameter is regulated in the media access control or physical layer or their combination. According to the decision transmitting setup it regulates the transmitting parameter and modulates the subcarrier wave with user data. The transmitter transmits the user data to receiver at the better frequency width part. In the better implementing example the transmitter also generates and transmits the transmitting format control (TFC) with decision transmitting parameter setup and subcarrier wave modulation information.

A transmitter generates and transmits a low rate signal to its intended receiver. Upon receiving the low rate signal the intended receiver generates and transmits a channel sounding response (CSR) said CSR being a short burst having a predefined transmit format and carrying predetermined information. The transmitter then analyzes the CSR and determines uplink channel response estimates downlink channel response and determines appropriate transmit parameter settings based on the analysis and downlink response estimate. Adjustment of the transmit parameters can be made in either the MAC or PHY layer or in a combination of both. After adjusting its transmit parameters and modulating sub-carriers with user-data according to the determined transmit settings the transmitter transmits the user-data to the receiver on a preferred portion of bandwidth. In a preferred embodiment the transmitter also generates and transmits a transmit format control (TFC) signal containing the determined transmit parameter settings including sub-carrier modulation information to the receiver.

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US2006034165A1	5G	21/12/2017	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
US2006034165A1	5G	20/06/2019	ISLD-201906-026	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
US8531937B2	4G	18/09/2008	ISLD-200901-001	INTERDIGITAL INC	S1 TS Number: TS 136 211 Version No: ---- Section No: Release : ---- S2 TS Number: TS 136 213 Version No: ---- Section No: Release : ---- +1 -1	Yes	Basis Patent
US8531937B2	5G	21/12/2017	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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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.