US-20260129644-A1 - METHOD FOR DETERMINING PREPARATION TIME FOR UPLINK ANTENNA SWITCHING, AND APPARATUSES

US20260129644A1US 20260129644 A1US20260129644 A1US 20260129644A1US-20260129644-A1

Abstract

A method for determining preparation time for uplink (UL) antenna switching is performed by a terminal, and includes: determining preparation time required by the terminal for UL antenna switching, wherein the preparation time includes at least one of first time for preparation or second time for antenna switching.

Inventors

Shengxiang GUO
Lei Wang

Assignees

BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.

Dates

Publication Date: 20260507
Application Date: 20221008

Claims (20)

1 . A method for determining preparation time for uplink (UL) antenna switching, performed by a terminal, comprising: determining preparation time required by the terminal for UL antenna switching, wherein the preparation time comprises at least one of first time for preparation or second time for antenna switching.
2 . The method of claim 1 , further comprising: reporting the preparation time to a network device.
3 . The method of claim 2 , wherein reporting the preparation time to the network device comprises: reporting capability information to the network device, wherein the capability information comprises the preparation time; or sending first signaling to the network device, wherein the first signaling comprises the preparation time; wherein sending the first signaling to the network device comprises at least one of: sending the first signaling via a physical uplink shared channel (PUSCH); sending the first signaling via a physical uplink control channel (PUCCH); or sending uplink control information (UCI) to the network device.
4 . (canceled)
5 . The method of claim 1 , wherein the preparation time comprises at least one of: time required for the terminal to refresh a memory unit; time required for the terminal to load a memory unit; time in which the terminal interrupts all ongoing transmissions; or time in which the network device suspends scheduling for the terminal.
6 . The method of claim 1 , further comprising at least one of: suspending UL transmission in the preparation time; or suspending reception of downlink transmission of the network device in the preparation time.
7 . The method of claim 1 , wherein determining the preparation time required by the terminal for the UL antenna switching comprises: in response to satisfying a specific condition, determining the preparation time required by the terminal for the UL antenna switching; wherein the specific condition comprises at least one of: a switching pattern of the terminal involving two frequency bands; or a switching pattern of the terminal involving more than two frequency bands.
8 . (canceled)
9 . The method of claim 7 , wherein the switching pattern comprises at least one of: the terminal switching among single-port UL transmission on two UL bands and single-port UL transmission on another two UL bands; the terminal switching among single-port UL transmission on two UL bands and another single-port UL transmission on another UL band; the terminal switching among single-port UL transmission on two UL bands and dual-port UL transmission on another UL band; the terminal switching among single-port UL transmission on two UL bands and single-port UL transmission on one of UL bands; the terminal switching among single-port UL transmission on two UL bands and dual-port UL transmission on one of UL bands; the terminal switching between single-port UL frequency transmission on one UL band and another single-port UL transmission on another UL band; the terminal switching between dual-port UL transmission on one UL band and dual-port UL transmission on another UL band; or a first port state being in a first frequency band and a second port being in a pre-stored state of a second frequency band before switching, and at least one port state being in a third frequency band.
10 . (canceled)
11 . (canceled)
12 . The method of claim 9 , wherein when the first port state is in the first frequency band, the terminal is capable to send data via a first port in the first frequency band in a state before the switching; and when the second port is in the pre-stored state of the second frequency band, the terminal does not send data via the second port in a state before the switching.
13 . (canceled)
14 . The method of claim 1 , wherein determining the preparation time required by the terminal for the UL antenna switching comprises: receiving indication information sent by a network device, wherein the indication information indicates the preparation time required by the terminal for the UL antenna switching; and determining the preparation time based on the indication information.
15 . (canceled)
16 . A method for determining preparation time for uplink (UL) antenna switching, performed by a network device, comprising: determining preparation time required by the terminal for UL antenna switching, wherein the preparation time comprises at least one of first time for preparation or second time for antenna switching.
17 . The method of claim 16 , further comprising: receiving the preparation time reported by the terminal.
18 . The method of claim 17 , wherein receiving the preparation time reported by the terminal comprises: receiving capability information reported by the terminal, wherein the capability information comprises the preparation time; or receiving first signaling sent by the terminal, wherein the first signaling comprises the preparation time; wherein receiving the first signaling sent by the terminal comprises at least one of: receiving the first signaling sent by the terminal via a physical uplink shared channel (PUSCH); receiving the first signaling sent by the terminal via a physical uplink control channel (PUCCH); or receiving uplink control information (UCI) sent by the terminal.
19 . (canceled)
20 . The method of any claim 16 , wherein the preparation time comprises at least one of: time required for the terminal to refresh a memory unit; time required for the terminal to load a memory unit; time in which the terminal interrupts all ongoing transmissions; or time in which the network device suspends scheduling for the terminal.

Description

CROSS-REFERENCE TO RELATED APPLICATION This application is a U.S. national phase of International Application No. PCT/CN2022/123875, filed on Oct. 8, 2022, the entire content of which is incorporated herein by reference. TECHNICAL FIELD The present disclosure relates to a field of communication technology, and specifically to a method and a device for determining preparation time for uplink (UL) antenna switching. BACKGROUND A terminal supports uplink (UL) antenna switching and dynamic switching between a plurality of frequency bands. However, terminals with different capabilities require different preparation time when performing the UL antenna switching. SUMMARY According to a first aspect, an embodiment of the present disclosure provides a method for determining preparation time for UL antenna switching, performed by a terminal, including: determining preparation time required by the terminal for UL antenna switching, in which the preparation time includes first time for preparation and/or second time for antenna switching. According to a second aspect, an embodiment of the present disclosure provides another method for determining preparation time for UL antenna switching, performed by a network device, including: determining preparation time required by the terminal for UL antenna switching, in which the preparation time includes first time for preparation and/or second time for antenna switching. According to a third aspect, an embodiment of the present disclosure provides a communication device. The communication device includes a processor and a memory for storing a computer program. When the computer program stored in the memory is executed by the processor, the communication device is caused to implement the method in the above first aspect. According to a fourth aspect, an embodiment of the present disclosure provides a communication device. The communication device includes a processor and a memory for storing a computer program. When the computer program stored in the memory is executed by the processor, the communication device is caused to implement the method in the above second aspect. BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings of the disclosure will be briefly described below. FIG. 1 is a schematic diagram of an architecture of a communication system according to an embodiment of the present disclosure. FIG. 2 is a flowchart of a method for determining preparation time for uplink (UL) antenna switching according to an embodiment of the present disclosure. FIG. 3 is a flowchart of another method for determining preparation time for uplink (UL) antenna switching according to an embodiment of the present disclosure. FIG. 4 is a flowchart of another method for determining preparation time for uplink (UL) antenna switching according to an embodiment of the present disclosure. FIG. 5 is a flowchart of another method for determining preparation time for uplink (UL) antenna switching according to an embodiment of the present disclosure. FIG. 6 is a flowchart of another method for determining preparation time for uplink (UL) antenna switching according to an embodiment of the present disclosure. FIG. 7 is a flowchart of another method for determining preparation time for uplink (UL) antenna switching according to an embodiment of the present disclosure. FIG. 8 is a flowchart of another method for determining preparation time for uplink (UL) antenna switching according to an embodiment of the present disclosure. FIG. 9 is a flowchart of another method for determining preparation time for uplink (UL) antenna switching according to an embodiment of the present disclosure. FIG. 10 is a block diagram of a communication device according to an embodiment of the present disclosure. FIG. 11 is a block diagram of another communication device according to an embodiment of the present disclosure. FIG. 12 is a block diagram of a chip according to an embodiment of the present disclosure. DETAILED DESCRIPTION Reference will now be made in detail to example embodiments, examples of which are illustrated in the accompanying drawings. The following description refers to the accompanying drawings in which the same numbers in different drawings represent the same or similar elements unless otherwise represented. The implementations set forth in the following description of example embodiments do not represent all implementations consistent with the present disclosure. Instead, they are merely examples of devices and methods consistent with aspects related to the present disclosure as recited in the appended claims. The terms used in embodiments of the present disclosure are solely for the purpose of describing a particular embodiment and are not intended to limit embodiments of the present disclosure. The terms “a/an” and “the” in a singular form used in embodiments and claims of the present disclosure are also intended to include a plural form, unless the context clearly indicates other meaning. It m