# US 10,484,973 B2 · Semi-persistent CSI feedback over PUSCH

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- Number: US 10,484,973 B2
- Document ID: US10484973B2
- Status: Granted
- Kind: B2
- Application number: 16/229,800
- Filed: 2018-12-21
- Published: 2019-05-09
- Granted: 2019-11-19
- Earliest claimed: 2017-03-24
- Assignees: Telefonaktiebolaget LM Ericsson (publ)
- Applicants: Telefonaktiebolaget LM Ericsson (publ)
- Inventors: Robert Mark Harrison; Shiwei Gao; Mattias Frenne; Siva Muruganathan; Sebastian Faxér
- Web page: https://patentgrep.com/patent/US10484973B2

## CPC

- H04W 72/04: Wireless resource allocation
- H04L 1/0026: {Transmission of channel quality indication}
- H04L 1/0027: {Scheduling of signalling, e.g. occurrence thereof}
- H04L 5/0057: {Physical resource allocation for CQI}
- H04L 5/0082: {at predetermined intervals}
- H04L 5/0094: {Indication of how sub-channels of the path are allocated}
- H04L 5/0096: {Indication of changes in allocation}
- H04W 24/10: Scheduling measurement reports {; Arrangements for measurement reports}
- H04B 7/0626: {Channel coefficients, e.g. channel state information [CSI]}
- H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72)
- H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M)
- H04B: TRANSMISSION

## Abstract

A user equipment, base station and method for transmitting semi-persistent channel state information (SP-CSI) on a physical uplink shared channel (PUSCH) are provided. The user equipment includes processing circuitry configured to receive a control signaling message the control signaling message configuring the user equipment with at least one SP CSI report configuration on the PUSCH, and the message identifying a SP CSI reporting periodicity. The user equipment also receives physical layer control signaling identifying and activating the at least one SP CSI report configuration. Transmitter circuitry is configured to transmit a plurality of SP CSI reports, the reports being transmitted with the periodicity and according to the physical layer control signaling and the control signaling message.

## Claims

### Claim 1

A method in a user equipment for transmitting semi-persistent Channel State Information, SP CSI, on a physical uplink shared channel, PUSCH, the method comprising:
receiving a configuring message, the configuring message configuring the user equipment with at least one SP CSI report configuration on the PUSCH, and the configuring message identifying a SP CSI reporting periodicity;
receiving physical layer control signaling identifying and activating the at least one SP CSI report configuration; and
transmitting a plurality of SP CSI reports, the reports being transmitted with the SP CSI reporting periodicity and according to the physical layer control signaling and the configuring message.

### Claim 2 (depends on 1)

The method of claim 1, wherein the at least one SP CSI report configuration includes a slot offset.

### Claim 3 (depends on 1)

The method of claim 1, wherein the identifying and activating of the at least one SP CSI report configuration is further based on a semi persistent (SP) radio network temporary identifier.

### Claim 4 (depends on 1)

The method of claim 1, further comprising identifying and deactivating the at least one SP CSI report configuration.

### Claim 5 (depends on 4)

The method of claim 4, wherein at least one of the activating and deactivating of the at least one SP CSI report configuration is based on combination of bit fields in a downlink control information, DCI.

### Claim 6

A method in a user equipment, the method comprising:
identifying a report configuration for semi-persistent Channel State Information, SP CSI, on a physical uplink shared channel, PUSCH; and
deactivating the report configuration, the deactivating being based on a combination of bit fields in a downlink control information, DCI.

### Claim 7

A method in a base station for adaptively configuring semi-persistent Channel State Information, SP CSI, on a physical uplink shared channel, PUSCH, the method comprising:
transmitting a configuring message to configure a user equipment with at least one SP CSI report configuration on the PUSCH, and the configuring message identifying a SP CSI reporting periodicity;
transmitting physical layer control signaling identifying and activating the at least one SP CSI report configuration; and
receiving a plurality of SP CSI reports, the reports being transmitted with the periodicity and according to the physical layer control signaling and the configuring message.

### Claim 8 (depends on 7)

The method of claim 7, wherein the at least one SP CSI report configuration includes a slot offset.

### Claim 9 (depends on 7)

The method of claim 7, wherein the at least one SP CSI report configuration includes at least one selected from a group consisting of:
at least one SP CSI report setting including a slot offset for each of the at least one SP CSI report configuration; and
at least one SP CSI report setting including at least one of a resource for channel measurement and a resource for interference measurement.

### Claim 10 (depends on 7)

The method of claim 7, wherein the identifying and activating of the at least one SP CSI report configuration is further based on a semi persistent (SP) radio network temporary identifier.

### Claim 11 (depends on 7)

The method of claim 7, further comprising causing the identification and deactivation of the at least one SP CSI configuration.

### Claim 12 (depends on 11)

The method of claim 11, wherein at least one of the activating and deactivating of the at least one SP CSI report configuration is based a combination of bit fields in downlink control information, DCI.

### Claim 13 (depends on 7)

The method of claim 7, wherein different components of a plurality of SP CSI reports are coded independently.

### Claim 14 (depends on 7)

The method of claim 7, wherein the physical layer control signaling indicates a slot offset between a slot carrying the physical layer control signaling and a slot on which the at least one SP CSI report is transmitted.

### Claim 15

A user equipment for transmitting semi-persistent Channel State Information, SP CSI, on a physical uplink shared channel, PUSCH, the user equipment comprising:
processing circuitry configured to:
receive a configuring message for configuring the user equipment with at least one SP CSI report configuration on the PUSCH, the configuring message identifying a SP CSI reporting periodicity;
receive physical layer control signaling for identifying and activating the at least one SP CSI report configuration; and
transmit a plurality of SP CSI reports, the reports being transmitted with the SP CSI reporting periodicity and according to the physical layer control signaling and the configuring message.

### Claim 16 (depends on 15)

The user equipment of claim 15, wherein the at least one SP CSI report configuration includes a slot offset.

### Claim 17 (depends on 15)

The user equipment of claim 15, wherein the identifying and activating of the at least one SP CSI report configuration is further based on a semi persistent (SP) radio network temporary identifier.

### Claim 18 (depends on 15)

The user equipment of claim 15, further comprising identifying and deactivating the at least one SP CSI report configuration.

### Claim 19 (depends on 18)

The user equipment of claim 18, wherein at least one of the activating and deactivation of the at least one SP CSI report configuration is based on combination of bit fields in a downlink control information, DCI.
