IP Library › Granted Patent US 12,200,737
Granted Patent B2
US 12,200,737 · App. 18/581,800 · Granted Jan 14, 2025

Base station, terminal, and communication method

Inventors: Tetsuya Yamamoto (Kanagawa, JP); Ayako Horiuchi (Kanagawa, JP); Takashi Iwai (Ishikawa, JP)
Assignee: Panasonic Intellectual Property Corporation of America
H04W72/23H04L1/18H04L1/1854H04L1/1858H04L1/1861H04L5/0044H04L5/0053H04L5/0055H04L5/1469H04L69/324H04W28/04H04L5/0094H04W88/02H04W88/08
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Quick Facts
Patent No.
US 12,200,737
App. No.
18/581,800
Granted
Jan 14, 2025
Kind
B2
Abstract

A terminal includes a receiver, which, in operation, receives time unit information related to an amount of an uplink time resource per a time unit, and receives a number of repetitions over a plurality of the time units, wherein the time unit includes a downlink time resource for a downlink signal and the uplink time resource for a response signal. The amount of the uplink time resource is expressed as a fixed number of consecutive symbols that remains the same number over the plurality of the time units over which the response signal is repeatedly transmitted. The terminal includes a transmitter, which, in operation, repeatedly transmits the response signal over the plurality of the time units.

Claims (26)

1. An integrated circuit, comprising:

transmission circuitry, which, in operation, controls transmitting control information relating to a number of symbols for an uplink time resource in a time unit, the time unit including a downlink time resource for a downlink transmission and the uplink time resource for a transmission of a response signal,

wherein in a case where the response signal is repeated, a same number of symbols is indicated by the control information for each of a plurality of time units; and

reception circuitry, which, in operation, controls receiving the response signal over the plurality of time units,

wherein a number of repetitions of the response signal is determined based on a number of bits in the response signal.

2. The integrated circuit according to claim 1 , wherein the reception circuitry, in operation, controls receiving the response signal repeatedly over the plurality of time units at a constant time interval.

3. The integrated circuit according to claim 1 , wherein the transmission circuitry, in operation, controls transmitting another control information relating to a length of the time unit via a cell-specific notification.

4. The integrated circuit according to claim 1 , wherein the number of symbols for the uplink time resource is larger as a length of the time unit is larger.

5. A base station, comprising:

a transmitter, which, in operation, transmits control information relating to a number of symbols for an uplink time resource in a time unit, the time unit including a downlink time resource for a downlink transmission and the uplink time resource for a transmission of a response signal,

wherein in a case where the response signal is repeated, a same number of symbols is indicated by the control information for each of a plurality of time units; and

a receiver, which, in operation, receives the response signal over the plurality of time units,

wherein a number of repetitions of the response signal is determined based on a number of bits in the response signal.

6. The base station according to claim 5 , wherein the receiver, in operation, receives the response signal repeatedly over the plurality of time units at a constant time interval.

7. The base station according to claim 5 , wherein the transceiver, in operation, transmits another control information relating to a length of the time unit via a cell-specific notification.

8. The base station according to claim 5 , wherein the number of symbols for the uplink time resource is larger as a length of the time unit is larger.

9. A communication method, comprising:

transmitting control information relating to a number of symbols for an uplink time resource in a time unit, the time unit including a downlink time resource for a downlink transmission and the uplink time resource for a transmission of a response signal,

wherein in a case where the response signal is repeated, a same number of symbols is indicated by the control information for each of a plurality of time units; and

receiving the response signal over the plurality of time units,

wherein a number of repetitions of the response signal is determined based on a number of bits in the response signal.

10. The communication method according to claim 9 , further comprising:

receiving the response signal repeatedly over the plurality of time units at a constant time interval.

11. The communication method according to claim 9 , further comprising:

transmitting another control information relating to a length of the time unit via a cell-specific notification.

12. The communication method according to claim 9 , wherein the number of symbols for the uplink time resource is larger as a length of the time unit is larger.

Priority Claims (1)
JP 2016-101453 · May 20, 2016 · national
Continuity (4)
Continuation 18298804 · Apr 11, 2023
Continuation 17200335 · Mar 12, 2021
Continuation 16097794
Related Publication 20240196410A1 · Jun 13, 2024
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