# US 12,016,013 B2 · Method and device used for UE and base station in wireless communication

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- Number: US 12,016,013 B2
- Document ID: US12016013B2
- Status: Granted
- Kind: B2
- Application number: 17/241,083
- Filed: 2021-04-27
- Published: 2021-08-26
- Granted: 2024-06-18
- Earliest claimed: 2018-11-02
- Assignees: Shanghai Langbo Communication Technology Company Limited
- Applicants: Keying Wu; Xiaobo Zhang; Lin Yang
- Inventors: Keying Wu; Xiaobo Zhang; Lin Yang
- Web page: https://patentgrep.com/patent/US12016013B2

## CPC

- H04L 5/0048: {Allocation of pilot signals, i.e. of signals known to the receiver (allocation of control signalling H04L5/0053; use of control signalling H04L5/0091)}
- H04W 72/1268: of uplink data flows
- H04L 5/0051: {of dedicated pilots, i.e. pilots destined for a single user or terminal}
- H04W 24/10: Scheduling measurement reports {; Arrangements for measurement reports}
- H04W 72/0446: Resources in time domain, e.g. slots or frames
- H04W 72/0453: Resources in frequency domain, e.g. a carrier in FDMA
- H04W 72/0473: {the resource being transmission power}
- H04W 72/23: in the downlink direction of a wireless link, i.e. towards a terminal
- H04W 72/535: {based on resource usage policies}
- H04L 5/0023: {Time-frequency-space}
- H04L 5/0094: {Indication of how sub-channels of the path are allocated}
- H04W 24/08: Testing, {supervising or monitoring} using real traffic
- H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M)
- H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72)

## Abstract

The present disclosure provides a method and a device for UE and a base station in wireless communications. A UE receives a first signaling; and transmits a first radio signal. herein, the first signaling comprises scheduling information of the first radio signal; a first reference signal is used to determine at least one of transmitting power of the first radio signal or one or more antenna ports for transmitting the first radio signal; a first radio resource is associated with the first reference signal, and the first radio resource is related to the first signaling; the first signaling does not comprise a first field, the first field indicating one or more antenna ports for transmitting a radio signal scheduled by a signaling to which the first field belongs. The method ensures the reliability of uplink transmission for any TRP/panel when one UE is served by multiple TRPs/panels.

## Claims

### Claim 1

A method in a User Equipment (UE) for wireless communications, comprising:
receiving a first signaling, the first signaling comprises downlink control information (DCI); and
transmitting a first radio signal, the first radio signal is transmitted on a physical uplink shared channel (PUSCH);
wherein the first signaling comprises scheduling information of the first radio signal;
a first reference signal is used to determine at least one of transmitting power of the first radio signal or one or more antenna ports for transmitting the first radio signal;
wherein determination of an antenna port for transmitting the first radio signal comprises: using the first reference signal to determine a spatial domain transmission filter corresponding to the first radio signal;
a first radio resource is associated with the first reference signal, the first radio resource is a physical uplink control channel (PUCCH) resource, and the first radio resource is related to the first signaling;
the first signaling does not comprise a first field, and the first field is a sounding reference signal (SRS) resource indicator field, the first field indicating one or more antenna ports for transmitting a radio signal scheduled by a signaling to which the first field belongs; and
the first radio resource is related to the first signaling by using a time-frequency resource occupied by the first signaling to determine the first radio resource.

### Claim 2 (depends on 1)

The method according to claim 1, wherein the time-frequency resource occupied by the first signaling belongs to a first time-frequency resource set, and the first time-frequency resource set is associated with a second reference signal; the first radio resource is related to the second reference signal;
or, the time-frequency resource occupied by the first signaling belongs to a first time-frequency resource set, and the first time-frequency resource set is associated with a second reference signal; the first radio resource is related to the second reference signal; one antenna port for transmitting the first reference signal is Quasi-Co-Located (QCL) with one antenna port for transmitting the second reference signal, or, a measurement on the second reference signal is used to determine one or more antenna ports for transmitting the first reference signal.

### Claim 3 (depends on 1)

The method according to claim 1, wherein the first radio resource is a radio resource in a first radio resource set; the first radio resource set is a candidate resource set of K candidate resource sets, K being a positive integer greater than 1, and any of the K candidate resource sets comprising at least one radio resource; the first signaling is used to determine the first radio resource set out of the K candidate resource sets;
or, comprising:
receiving first information;
wherein the first radio resource is a radio resource in a first radio resource set; the first radio resource set is a candidate resource set of K candidate resource sets, K being a positive integer greater than 1, and any of the K candidate resource sets comprising at least one radio resource; the first signaling is used to determine the first radio resource set out of the K candidate resource sets; the first information is used to determine K reference signal sets, the K reference signal sets respectively correspond to the K candidate resource sets, and a first reference signal set is one of the K reference signal sets that corresponds to the first radio resource set; a target radio resource is any radio resource in the first radio resource set, and the target radio resource is associated with a target reference signal; one antenna port for transmitting the target reference signal is QCL with one antenna port for transmitting a reference signal in the first reference signal set, or, a measurement on a reference signal in the first reference signal set is used to determine one or more antenna ports for transmitting the target reference signal.

### Claim 4 (depends on 3)

The method according to claim 3, wherein the first radio resource is in a fixed position in the first radio resource set; or, an index of the first radio resource is a minimum value of indexes of all radio resources comprised in the first radio resource set.

### Claim 5 (depends on 1)

The method according to claim 1, comprising at least one of:
receiving second information;
operating the first reference signal; or
receiving third information;
wherein the second information comprises configuration information of the first reference signal; the operating is receiving, or, the operating is transmitting; the third information indicates the first radio resource.

### Claim 6

A method in a base station for wireless communications, comprising:
transmitting a first signaling, the first signaling comprises DCI; and
receiving a first radio signal, the first radio signal is transmitted on a PUSCH;
wherein the first signaling comprises scheduling information of the first radio signal;
a first reference signal is used to determine at least one of transmitting power of the first radio signal or one or more antenna ports for transmitting the first radio signal;
determination of an antenna port for transmitting the first radio signal comprises: using the first reference signal to determine a spatial domain transmission filter corresponding to the first radio signal;
a first radio resource is associated with the first reference signal, the first radio resource is a PUCCH resource, and the first radio resource is related to the first signaling;
the first signaling does not comprise a first field, and the first field is an SRS resource indicator field, the first field indicating one or more antenna ports for transmitting a radio signal scheduled by a signaling to which the first field belongs;
the first radio resource is related to the first signaling by using a time-frequency resource occupied by the first signaling to determine the first radio resource.

### Claim 7 (depends on 6)

The method according to claim 6, wherein the time-frequency resource occupied by the first signaling belongs to a first time-frequency resource set, and the first time-frequency resource set is associated with a second reference signal; the first radio resource is related to the second reference signal;
or, the time-frequency resource occupied by the first signaling belongs to a first time-frequency resource set, and the first time-frequency resource set is associated with a second reference signal; the first radio resource is related to the second reference signal; one antenna port for transmitting the first reference signal is QCL with one antenna port for transmitting the second reference signal, or, a measurement on the second reference signal is used to determine one or more antenna ports for transmitting the first reference signal.

### Claim 8 (depends on 6)

The method according to claim 6, wherein the first radio resource is a radio resource in a first radio resource set; the first radio resource set is a candidate resource set of K candidate resource sets, K being a positive integer greater than 1, and any of the K candidate resource sets comprising at least one radio resource; the first signaling is used to determine the first radio resource set out of the K candidate resource sets;
or, comprising:
transmitting first information;
wherein the first radio resource is a radio resource in a first radio resource set; the first radio resource set is a candidate resource set of K candidate resource sets, K being a positive integer greater than 1, and any of the K candidate resource sets comprising at least one radio resource; the first signaling is used to determine the first radio resource set out of the K candidate resource sets; the first information is used to determine K reference signal sets, the K reference signal sets respectively correspond to the K candidate resource sets, and a first reference signal set is one of the K reference signal sets that corresponds to the first radio resource set; a target radio resource is any radio resource in the first radio resource set, and the target radio resource is associated with a target reference signal; one antenna port for transmitting the target reference signal is QCL with one antenna port for transmitting a reference signal in the first reference signal set, or, a measurement on a reference signal in the first reference signal set is used to determine one or more antenna ports for transmitting the target reference signal.

### Claim 9 (depends on 8)

The method according to claim 8, wherein the first radio resource is in a fixed position in the first radio resource set; or, an index of the first radio resource is a minimum value of indexes of all radio resources comprised in the first radio resource set.

### Claim 10 (depends on 6)

The method according to claim 6, comprising at least one of:
transmitting second information;
executing the first reference signal; or
transmitting third information;
wherein the second information comprises configuration information of the first reference signal; the executing is transmitting, or, the executing is receiving; the third information indicates the first radio resource.

### Claim 11

A UE for wireless communications, comprising:
a first receiver, receiving a first signaling, the first signaling comprises DCI; and
a first processor, transmitting a first radio signal, the first radio signal is transmitted on a PUSCH;
wherein the first signaling comprises scheduling information of the first radio signal;
a first reference signal is used to determine at least one of transmitting power of the first radio signal or one or more antenna ports for transmitting the first radio signal;
determination of an antenna port for transmitting the first radio signal comprises: using the first reference signal to determine a spatial domain transmission filter corresponding to the first radio signal;
a first radio resource is associated with the first reference signal, the first radio resource is a PUCCH resource, and the first radio resource is related to the first signaling;
the first signaling does not comprise a first field, and the first field is an SRS resource indicator field, the first field indicating one or more antenna ports for transmitting a radio signal scheduled by a signaling to which the first field belongs;
the first radio resource is related to the first signaling by using a time-frequency resource occupied by the first signaling to determine the first radio resource.

### Claim 12 (depends on 11)

The UE according to claim 11, wherein the time-frequency resource occupied by the first signaling belongs to a first time-frequency resource set, and the first time-frequency resource set is associated with a second reference signal; the first radio resource is related to the second reference signal;
or, the time-frequency resource occupied by the first signaling belongs to a first time-frequency resource set, and the first time-frequency resource set is associated with a second reference signal; the first radio resource is related to the second reference signal; one antenna port for transmitting the first reference signal is Quasi-Co-Located (QCL) with one antenna port for transmitting the second reference signal, or, a measurement on the second reference signal is used to determine one or more antenna ports for transmitting the first reference signal.

### Claim 13 (depends on 11)

The UE according to claim 11, wherein the first radio resource is a radio resource in a first radio resource set; the first radio resource set is a candidate resource set of K candidate resource sets, K being a positive integer greater than 1, and any of the K candidate resource sets comprising at least one radio resource; the first signaling is used to determine the first radio resource set out of the K candidate resource sets;
or, the first receiver receiving first information; wherein the first radio resource is a radio resource in a first radio resource set; the first radio resource set is a candidate resource set of K candidate resource sets, K being a positive integer greater than 1, and any of the K candidate resource sets comprising at least one radio resource; the first signaling is used to determine the first radio resource set out of the K candidate resource sets; the first information is used to determine K reference signal sets, the K reference signal sets respectively correspond to the K candidate resource sets, and a first reference signal set is one of the K reference signal sets that corresponds to the first radio resource set; a target radio resource is any radio resource in the first radio resource set, and the target radio resource is associated with a target reference signal; one antenna port for transmitting the target reference signal is QCL with one antenna port for transmitting a reference signal in the first reference signal set, or, a measurement on a reference signal in the first reference signal set is used to determine one or more antenna ports for transmitting the target reference signal.

### Claim 14 (depends on 13)

The UE according to claim 13, wherein the first radio resource is in a fixed position in the first radio resource set; or, an index of the first radio resource is a minimum value of indexes of all radio resources comprised in the first radio resource set.

### Claim 15 (depends on 11)

The UE according to claim 11, wherein the first receiver receives second information, wherein the second information comprises configuration information of the first reference signal;
or, the first processor operates the first reference signal, wherein the operating action is receiving, or, the operating action is transmitting;
or, the first receiver receives third information, wherein the third information indicates the first radio resource.

### Claim 16

A base station for wireless communications, comprising:
a first transmitter, transmitting a first signaling, the first signaling comprises DCI; and
a processor, receiving a first radio signal, the first radio signal is transmitted on a PUSCH; wherein:
the first signaling comprises scheduling information of the first radio signal;
a first reference signal is used to determine at least one of transmitting power of the first radio signal or one or more antenna ports for transmitting the first radio signal;
determination of an antenna port for transmitting the first radio signal comprises: using the first reference signal to determine a spatial domain transmission filter corresponding to the first radio signal;
a first radio resource is associated with the first reference signal, the first radio resource is a PUCCH resource, and the first radio resource is related to the first signaling;
the first signaling does not comprise a first field, and the first field is an SRS resource indicator field, the first field indicating one or more antenna ports for transmitting a radio signal scheduled by a signaling to which the first field belongs;
the first radio resource is related to the first signaling by using a time-frequency resource occupied by the first signaling to determine the first radio resource.

### Claim 17 (depends on 16)

The base station according to claim 16, wherein the time-frequency resource occupied by the first signaling belongs to a first time-frequency resource set, and the first time-frequency resource set is associated with a second reference signal; the first radio resource is related to the second reference signal;
or, the time-frequency resource occupied by the first signaling belongs to a first time-frequency resource set, and the first time-frequency resource set is associated with a second reference signal; the first radio resource is related to the second reference signal; one antenna port for transmitting the first reference signal is QCL with one antenna port for transmitting the second reference signal, or, a measurement on the second reference signal is used to determine one or more antenna ports for transmitting the first reference signal.

### Claim 18 (depends on 16)

The base station according to claim 16, wherein the first radio resource is a radio resource in a first radio resource set; the first radio resource set is a candidate resource set of K candidate resource sets, K being a positive integer greater than 1, and any of the K candidate resource sets comprising at least one radio resource; the first signaling is used to determine the first radio resource set out of the K candidate resource sets;
or, the first transmitter transmitting first information; wherein the first radio resource is a radio resource in a first radio resource set; the first radio resource set is a candidate resource set of K candidate resource sets, K being a positive integer greater than 1, and any of the K candidate resource sets comprising at least one radio resource; the first signaling is used to determine the first radio resource set out of the K candidate resource sets; the first information is used to determine K reference signal sets, the K reference signal sets respectively correspond to the K candidate resource sets, and a first reference signal set is one of the K reference signal sets that corresponds to the first radio resource set; a target radio resource is any radio resource in the first radio resource set, and the target radio resource is associated with a target reference signal; one antenna port for transmitting the target reference signal is QCL with one antenna port for transmitting a reference signal in the first reference signal set, or, a measurement on a reference signal in the first reference signal set is used to determine one or more antenna ports for transmitting the target reference signal.

### Claim 19 (depends on 18)

The base station according to claim 18, wherein the first radio resource is in a fixed position in the first radio resource set; or, an index of the first radio resource is a minimum value of indexes of all radio resources comprised in the first radio resource set.

### Claim 20 (depends on 16)

The base station according to claim 16, wherein the first transmitter transmits second information, wherein the second information comprises configuration information of the first reference signal;
or, the processor executes the first reference signal, wherein the executing action is transmitting, or the executing action is receiving;
or, the first transmitter transmits third information, wherein the third information indicates the first radio resource.
