# US 2021/0345400 A1 · Method and device used for wireless communication

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- Number: US 2021/0345400 A1
- Document ID: US20210345400A1
- Status: Published application
- Kind: A1
- Application number: 17/377,412
- Filed: 2021-07-16
- Published: 2021-11-04
- Earliest claimed: 2017-02-07
- Assignees: Shanghai Langbo Communication Technology Company Limited
- Inventors: Xiaobo ZHANG
- Web page: https://patentgrep.com/patent/US20210345400A1

## CPC

- H04L 5/0053: {Allocation of signalling, i.e. of overhead other than pilot signals}
- H04W 74/04: Scheduled access (hybrid access H04W74/02)
- H04L 1/0038: {Blind format detection (for detection of modulation format H04L27/0012)}
- H04L 5/0094: {Indication of how sub-channels of the path are allocated}
- H04L 1/0039: {other detection of signalling, e.g. detection of TFCI explicit signalling (H04L1/0046, H04L27/0012 and H04L25/0262 take precedence)}
- H04L 1/1812: Hybrid protocols; Hybrid automatic repeat request [HARQ]
- H04L 5/0007: {the frequencies being orthogonal, e.g. OFDM(A) or DMT}
- H04W 74/0833: Random access procedures, e.g. with 4-step access
- 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 discloses a method and a device in wireless communication. A User Equipment receives first information; and then transmits a first radio signal; and transmits a second radio signal. The first information comprises P1 piece(s) of configuration information, each of which is used to determine first-type resources, a first-type integer, and a first-type set; the first radio signal and the second radio signal comprises M1 first and M2 second radio sub-signal(s), respectively; the M2 is an element within a target set which is a positive integer; time-frequency resources occupied by the first radio signal belong to the first-type resources determined by first configuration information, the M1 is the first-type integer determined by the first configuration information, the target set is the first-type set determined by the first configuration information. The present disclosure provides a method of determining a number of non-grant uplink repeated transmissions while avoiding timing confusion.

## Claims

### Claim 1

A method in a User Equipment (UE) for wireless communication, comprising:
receiving first information;
transmitting a first radio signal;
transmitting a second radio signal; and
receiving a third radio signal;
wherein:
the first information comprises P1 piece(s) of configuration information, each of the P1 piece(s) of configuration information is used to determine first-type resources, a first-type integer, and a first-type set, the P1 is a positive integer;
the first radio signal comprises M1 first radio sub-signal(s), a first sequence is used to generate each of the M1 first radio sub-signal(s), the first sequence is a preamble;
the second radio signal comprises M2 second radio sub-signal(s), a first bit block is used to generate each of the M2 second radio sub-signal(s), the first bit block is a transport block;
the M1 is a positive integer, the M2 is an element within a target set;
the first-type integer is a positive integer, each element within the first-type set is a positive integer;
time-frequency resources occupied by the first radio signal belong to the first-type resources determined by first configuration information, the M1 is the first-type integer determined by the first configuration information, the target set is the first-type set determined by the first configuration information;
the first configuration information is one of the P1 piece(s) of configuration information;
time-frequency resources occupied by the second radio signal is related to at least one of the time-frequency resources occupied by the first radio signal or the first sequence;
the third radio signal is used for at least one of determining whether the first bit block needs to be retransmitted, adjusting transmission timing for the UE, allocating resources of an uplink transmission for the UE, or configuring a subcarrier spacing of an uplink transmission for the UE; and
M3 is used to determine at least one of a start time for a transmission of the third radio signal or time domain resources occupied by the third radio signal, the M3 is an element within the target set.

### Claim 2 (depends on 1)

The method according to claim 1, wherein:
a virtual radio signal comprises M3 second radio sub-signal(s), a length of a time interval between an end time for a transmission of the virtual radio signal and a start time for a transmission of the third radio signal is greater than or equal to a target time length, the target time length is equal to one of a first alternative time length or a second alternative time length, the first alternative time length is greater than the second alternative time length, the second alternative time length is greater than 0 ms;
a reference time length is greater than or equal to a first threshold and the target time length is equal to the first alternative time length, or, the reference time length is less than the first threshold and the target time length is equal to the second alternative time length;
the reference time length is related to at least the first one of the M3, a number of RUs occupied by the second radio sub-signal, or a subcarrier spacing of RUs occupied by the second radio sub-signal;
the first threshold is a pre-defined positive number; and
an RU comprises K1 consecutive multicarrier symbols in time domain and comprises K2 consecutive subcarrier(s) in frequency domain, the K1 is equal to one of 14, 28, 56 or 112, the K2 is equal to one of 1, 3, 6 or 12.

### Claim 3 (depends on 1)

The method according to claim 1, further comprising:
receiving second information;
wherein:
the second information is used to determine P2 second-type resources;
radio resources occupied by the second radio signal belong to one of the P2 second-type resources, the P2 is a positive integer;
at least one of a number of subcarriers, a subcarrier spacing, an MCS, or an RV corresponding to the second radio signal is related to the second-type resources where the second radio signal belongs; and
radio resources comprise at least the former of time-frequency resources and code-domain resources.

### Claim 4 (depends on 1)

The method according to claim 1, further comprising:
receiving a fourth radio signal;
wherein a measurement on the fourth radio signal is used to determine at least one of the time-frequency resources occupied by the first radio signal, or the radio resources occupied by the second radio signal.

### Claim 5 (depends on 1)

The method according to claim 1, wherein:
M3 is a maximum value in the target set or M3 is a minimum value in the target set.

### Claim 6 (depends on 1)

The method according to claim 1, wherein:
there exist two second radio sub-signals among the M2 second radio sub-signals that have different redundancy versions.

### Claim 7 (depends on 1)

The method according to claim 1, wherein:
a channel quality between the UE and a receiver of the first radio signal is used to determine the first configuration information out of the P1 pieces of configuration information.

### Claim 8

A UE used for wireless communication, comprising:
a first receiver, receiving first information;
a first transmitter, transmitting a first radio signal;
a second transmitter, transmitting a second radio signal; and
a second receiver, receiving a third radio signal;
wherein:
the first information comprises P1 piece(s) of configuration information, each of the P1 piece(s) of configuration information is used to determine first-type resources, a first-type integer, and a first-type set, the P1 is a positive integer;
the first radio signal comprises M1 first radio sub-signal(s), a first sequence is used to generate each of the M1 first radio sub-signal(s), the first sequence is a preamble;
the second radio signal comprises M2 second radio sub-signal(s), a first bit block is used to generate each of the M2 second radio sub-signal(s), the first bit block is a transport block;
the M1 is a positive integer, the M2 is an element within a target set;
the first-type integer is a positive integer, each element within the first-type set is a positive integer;
time-frequency resources occupied by the first radio signal belong to the first-type resources determined by first configuration information, the M1 is the first-type integer determined by the first configuration information, the target set is the first-type set determined by the first configuration information;
the first configuration information is one of the P1 piece(s) of configuration information;
time-frequency resources occupied by the second radio signal is related to at least one of the time-frequency resources occupied by the first radio signal or the first sequence;
the third radio signal is used for at least one of determining whether the first bit block needs to be retransmitted, adjusting transmission timing for the UE , allocating resources of an uplink transmission for the UE, or configuring a subcarrier spacing of an uplink transmission for the UE; and
M3 is used to determine at least one of a start time for a transmission of the third radio signal or time domain resources occupied by the third radio signal, the M3 is an element within the target set.

### Claim 9 (depends on 8)

The UE used for wireless communication according to claim 8, wherein:
a virtual radio signal comprises M3 second radio sub-signal(s), a length of a time interval between an end time for a transmission of the virtual radio signal and a start time for a transmission of the third radio signal is greater than or equal to a target time length, the target time length is equal to one of a first alternative time length or a second alternative time length, the first alternative time length is greater than the second alternative time length, the second alternative time length is greater than 0 ms;
a reference time length is greater than or equal to a first threshold and the target time length is equal to the first alternative time length, or, the reference time length is less than the first threshold and the target time length is equal to the second alternative time length;
the reference time length is related to at least the first one of the M3, a number of RUs occupied by the second radio sub-signal, or a subcarrier spacing of RUs occupied by the second radio sub-signal; and
the first threshold is a pre-defined positive number; an RU comprises K1 consecutive multicarrier symbols in time domain and comprises K2 consecutive subcarrier(s) in frequency domain, the K1 is equal to one of 14, 28, 56 or 112, the K2 is equal to one of 1, 3, 6 or 12.

### Claim 10 (depends on 8)

The UE used for wireless communication according to claim 8, wherein:
the first receiver further receives second information;
the second information is used to determine P2 second-type resources;
radio resources occupied by the second radio signal belong to one of the P2 second-type resources, the P2 is a positive integer;
at least one of a number of subcarriers, a subcarrier spacing, an MCS, or an RV corresponding to the second radio signal is related to the second-type resources where the second radio signal belongs; and
the radio resources comprise at least the former of time-frequency resources and code domain resources.

### Claim 11 (depends on 8)

The UE used for wireless communication according to claim 8, wherein:
the first receiver further receives a fourth radio signal; and
a measurement on the fourth radio signal is used to determine at least one of the time-frequency resources occupied by the first radio signal, or the radio resources occupied by the second radio signal.

### Claim 12 (depends on 8)

The UE used for wireless communication according to claim 8, wherein:
M3 is a maximum value in the target set or M3 is a minimum value in the target set.

### Claim 13 (depends on 8)

The UE used for wireless communication according to claim 8, wherein:
there exist two second radio sub-signals among the M2 second radio sub-signals that have different redundancy versions.

### Claim 14 (depends on 8)

The UE used for wireless communication according to claim 8, wherein:
a channel quality between the UE and a receiver of the first radio signal is used to determine the first configuration information out of the P1 pieces of configuration information.

### Claim 15

A base station used for wireless communication, comprising:
a third transmitter, transmitting first information;
a third receiver, receiving a first radio signal;
a fourth receiver, receiving a second radio signal; and
a fourth transmitter, transmitting a third radio signal;
wherein:
the first information comprises P1 piece(s) of configuration information, each of the P1 piece(s) of the configuration information is used to determine first-type resources, a first-type integer, and a first-type set, the P1 is a positive integer;
the first radio signal comprises M1 first radio sub-signal(s), a first sequence is used to generate each of the M1 first radio sub-signal(s), the first sequence is a preamble;
the second radio signal comprises M2 second radio sub-signal(s), a first bit block is used to generate each of the M2 second radio sub-signal(s), the first bit block is a transport block;
the M1 is a positive integer, the M2 is an element within a target set;
the first-type integer is a positive integer, each element within the first-type set is a positive integer;
time-frequency resources occupied by the first radio signal belong to the first-type resources determined by first configuration information, the M1 is the first-type integer determined by the first configuration information, the target set is the first-type set determined by the first configuration information;
the first configuration information is one of the P1 piece(s) of configuration information;
time-frequency resources occupied by the second radio signal is related to at least one of the time-frequency resources occupied by the first radio signal or the first sequence;
the third radio signal is used for at least one of determining whether the first bit block needs to be retransmitted, adjusting transmission timing for a transmitter of the second radio signal, allocating resources of an uplink transmission for the transmitter of the second radio signal, or configuring a subcarrier spacing for an uplink transmission for the transmitter of the second radio signal; and
M3 is used to determine at least one of a start time for a transmission of the third radio signal by the transmitter of the third radio signal or time domain resources occupied by the third radio signal, the M3 is an element within the target set.

### Claim 16 (depends on 15)

The base station used for wireless communication according to claim 15, wherein:
a virtual radio signal comprises M3 second radio sub-signal(s), a length of a time interval between an end time for a transmission of the virtual radio signal and a start time for a transmission of the third radio signal is greater than or equal to a target time length, the target time length is equal to one of a first alternative time length or a second alternative time length, the first alternative time length is greater than the second alternative time length, the second alternative time length is greater than 0 ms;
a reference time length is greater than or equal to a first threshold and the target time length is equal to the first alternative time length, or, the reference time length is less than the first threshold and the target time length is equal to the second alternative time length;
the reference time length is related to at least the first one of the M3, a number of RUs occupied by the second radio sub-signal, or a subcarrier spacing of RUs occupied by the second radio sub-signal; and
the first threshold is a pre-defined positive number; an RU comprises K1 consecutive multicarrier symbols in time domain and comprises K2 consecutive subcarrier(s) in frequency domain, the K1 is equal to one of 14, 28, 56 or 112, the K2 is equal to one of 1, 3, 6 or 12.

### Claim 17 (depends on 15)

The base station used for wireless communication according to claim 15, wherein:
the third transmitter further transmits second information;
the second information is used to determine P2 second-type resources;
radio resources occupied by the second radio signal belongs to one of the P2 second-type resources, the P2 is a positive integer;
at least one of a number of subcarriers, a subcarrier spacing, an MCS, or an RV corresponding to the second radio signal is related to the second-type resources where the second radio signal belongs; and
the radio resources comprise at least the former of time-frequency resources and code domain resources.

### Claim 18 (depends on 15)

The base station used for wireless communication according to claim 15, wherein:
the third transmitter further transmits a fourth radio signal; and
a measurement on the fourth radio signal is used to determine at least one of the time-frequency resources occupied by the first radio signal, or the radio resources occupied by the second radio signal.

### Claim 19 (depends on 15)

The base station used for wireless communication according to claim 15, wherein:
M3 is a maximum value in the target set or M3 is a minimum value in the target set;
there exist two second radio sub-signals among the M2 second radio sub-signals that have different redundancy versions.

### Claim 20 (depends on 15)

The base station used for wireless communication according to claim 15, wherein:
a channel quality between a transmitter of the first radio signal and a receiver of the first radio signal is used to determine the first configuration information out of the P1 pieces of configuration information.