EP-4738749-A1 - METHOD AND APPARATUS USED IN NODE FOR WIRELESS COMMUNICATION

Abstract

Disclosed in the present application are a method and apparatus used in a node for wireless communication. The method comprises: a first receiver receiving first RRC signaling and a first information block, wherein at least one symbol is indicated by the first RRC signaling as a downlink symbol; the first receiver receiving first signaling; and a first transmitter at least sending a first signal on a first PUCCH, wherein a first symbol set comprises symbols that are occupied by the first signal in time domain; the minimum PRB index of the first signal depends on the first signaling, and whether the first symbol set comprises a first-type symbol; and whether the at least one symbol, which is indicated by the first RRC signaling as the downlink symbol, is the first-type symbol depends on the first information block.

Inventors

• HU, YANG
• ZHANG, XIAOBO

Assignees

• Apogee Networks, LLC

Dates

Publication Date

20260506

Application Date

20240624

Claims (20)

1. A first node used for wireless communication, comprising: a first receiver receiving first RRC signaling and a first information block, wherein at least one symbol is indicated by the first RRC signaling as a downlink symbol; the first receiver receiving first signaling; and a first transmitter transmitting at least a first signal on a first PUCCH, wherein a first symbol set comprises symbols occupied by the first signal in a time domain; wherein a minimum PRB index of the first signal depends on the first signaling, and whether the first symbol set comprises a first-type symbol; and whether the at least one symbol, which is indicated by the first RRC signaling as the downlink symbol, is the first-type symbol depends on the first information block.
2. The first node according to claim 1, wherein whether a first parameter is used for determining the minimum PRB index of the first signal depends on whether the first symbol set comprises the first-type symbol; when the first symbol set comprises at least one first-type symbol, the first parameter is used for determining the minimum PRB index of the first signal; and the first parameter is configurable.
3. The first node according to claim 2, wherein signal transmission on the first PUCCH adopts frequency hopping, and the first signal is in a first hop; and when the first symbol set comprises the at least one first-type symbol, the minimum PRB index of the first signal is determined to be a result of a linear combination of a plurality of values, wherein the plurality of values comprises a first value and a second value, the first value depends on the first parameter, and the second value depends on an index of a first CCE of a PDCCH used for receiving the first signaling.
4. The first node according to any one of claims 1 to 3, wherein the index of the first CCE of the PDCCH for receiving the first signaling and a PUCCH resource indicator field in the first signaling are both used for determining a PUCCH resource for signal transmission on the first PUCCH.
5. The first node according to any one of claims 1 to 4, wherein a symbol configured by the first information block to be available for uplink transmission and indicated by the first RRC signaling as a downlink symbol belongs to the first-type symbol.
6. The first node according to any one of claims 1 to 5, wherein the first RRC signaling is tdd-UL-DL-ConfigurationCommon.
7. The first node according to any one of claims 1 to 6, wherein a number of PRBs occupied by the first signal depends on whether the first symbol set comprises the first-type symbol.
8. A second node used for wireless communication, comprising: a second transmitter transmitting first RRC signaling and a first information block, wherein at least one symbol is indicated by the first RRC signaling as a downlink symbol; the second transmitter transmitting first signaling; and a second receiver receiving at least a first signal on a first PUCCH, wherein a first symbol set comprises symbols occupied by the first signal in a time domain; wherein a minimum PRB index of the first signal depends on the first signaling, and whether the first symbol set comprises a first-type symbol; and whether the at least one symbol, which is indicated by the first RRC signaling as the downlink symbol, is the first-type symbol depends on the first information block.
9. The second node according to claim 8, wherein whether a first parameter is used for determining the minimum PRB index of the first signal depends on whether the first symbol set comprises the first-type symbol; when the first symbol set comprises at least one first-type symbol, the first parameter is used for determining the minimum PRB index of the first signal; and the first parameter is configurable.
10. The second node according to claim 9, wherein signal transmission on the first PUCCH adopts frequency hopping, and the first signal is in a first hop; and when the first symbol set comprises the at least one first-type symbol, the minimum PRB index of the first signal is determined to be a result of a linear combination of a plurality of values, wherein the plurality of values comprises a first value and a second value, the first value depends on the first parameter, and the second value depends on an index of a first CCE of a PDCCH used for receiving the first signaling.
11. The second node according to any one of claims 8 to 10, wherein the index of the first CCE of the PDCCH for receiving the first signaling and a PUCCH resource indicator field in the first signaling are both used for determining a PUCCH resource for signal transmission on the first PUCCH.
12. The second node according to any one of claims 8 to 11, wherein a symbol configured by the first information block to be available for uplink transmission and indicated by the first RRC signaling as a downlink symbol belongs to the first-type symbol.
13. The second node according to any one of claims 8 to 12, wherein the first RRC signaling is tdd-UL-DL-ConfigurationCommon.
14. The second node according to any one of claims 8 to 13, wherein a number of PRBs occupied by the first signal depends on whether the first symbol set comprises the first-type symbol.
15. A method used in a first node for wireless communication, comprising: receiving first RRC signaling and a first information block, wherein at least one symbol is indicated by the first RRC signaling as a downlink symbol; receiving first signaling; and transmitting at least a first signal on a first PUCCH, wherein a first symbol set comprises symbols occupied by the first signal in a time domain, wherein a minimum PRB index of the first signal depends on the first signaling, and whether the first symbol set comprises a first-type symbol; and whether the at least one symbol, which is indicated by the first RRC signaling as the downlink symbol, is the first-type symbol depends on the first information block.
16. The method in a first node according to claim 15, wherein whether a first parameter is used for determining the minimum PRB index of the first signal depends on whether the first symbol set comprises the first-type symbol; when the first symbol set comprises at least one first-type symbol, the first parameter is used for determining the minimum PRB index of the first signal; and the first parameter is configurable.
17. The method in a first node according to claim 16, wherein signal transmission on the first PUCCH adopts frequency hopping, and the first signal is in a first hop; and when the first symbol set comprises the at least one first-type symbol, the minimum PRB index of the first signal is determined to be a result of a linear combination of a plurality of values, wherein the plurality of values comprises a first value and a second value, the first value depends on the first parameter, and the second value depends on an index of a first CCE of a PDCCH used for receiving the first signaling.
18. The method in a first node according to any one of claims 15 to 17, wherein the index of the first CCE of the PDCCH for receiving the first signaling and a PUCCH resource indicator field in the first signaling are both used for determining a PUCCH resource for signal transmission on the first PUCCH.
19. The method in a first node according to any one of claims 15 to 18, wherein a symbol configured by the first information block to be available for uplink transmission and indicated by the first RRC signaling as a downlink symbol belongs to the first-type symbol.
20. The method in a first node according to any one of claims 15 to 19, wherein the first RRC signaling is tdd-UL-DL-ConfigurationCommon.

Description

Technical Field The present application relates to a transmission method and apparatus in a wireless communication system, in particular to a transmission method and apparatus for wireless signals in a wireless communication system supporting a cellular network. Background Art Reporting UCI (Uplink control information) on a PUCCH (Physical uplink control channel) according to a configuration or dynamic indication of a base station is a key technology in wireless communication. Summary of the Invention How to determine a PRB (Physical resource block) occupied by PUCCH transmission according to a symbol type of symbols used for the PUCCH transmission in a time domain under the condition that different symbol types are configured is a key problem to be considered in optimizing resource allocation. The present application discloses a solution for the above problem. The present application can be applicable to various wireless communication scenarios, such as a scenario supporting full-duplex communication, a scenario supporting only half-duplex communication, eMBB (Enhanced Mobile Broadband), URLLC (Ultra-Reliable Low-Latency Communication), Internet of Vehicles, Internet of Things, NTN (Non-Terrestrial Networks), etc., and achieve similar technical effects. In addition, the use of a unified solution for different scenarios (including but being not limited to the scenario supporting full-duplex communication, the scenario supporting only half-duplex communication, eMBB, URLLC, Internet of Vehicles, Internet of Things, NTN) also facilitates the reduction of hardware complexity and costs, or improves performance. In the absence of conflicts, embodiments and features in the embodiments in any node of the present application can be applied to any other nodes. In the absence of conflicts, the embodiments and features in the embodiments of the present application may be arbitrarily combined with each other. As one embodiment, the interpretation of the terminologies in the present application refers to the definition of the TS38 series of the specification protocol of 3GPP. As one embodiment, the interpretation of the terminologies in the present application refers to the definition of the TS37 series of the specification protocol of 3GPP. The present application discloses a method used in a first node for wireless communication, characterized by comprising: receiving first RRC signaling and a first information block, wherein at least one symbol is indicated by the first RRC signaling as a downlink symbol;receiving first signaling; andtransmitting at least a first signal on a first PUCCH, wherein a first symbol set comprises symbols occupied by the first signal in a time domain;wherein a minimum PRB index of the first signal depends on the first signaling as well as whether the first symbol set comprises a first-type symbol, and whether at least one symbol indicated by the first RRC signaling as a downlink symbol is the first-type symbol depends on the first information block. As one embodiment, a problem to be solved by the present application comprises: how to determine a minimum PRB index of the first signal under the condition that the at least one symbol indicated by the first RRC signaling as the downlink symbol is the first-type symbol depends on the first information block. As one embodiment, a problem to be solved by the present application comprises: how to enhance the configuration of resources for PUCCH transmission. As one embodiment, a problem to be solved by the present application comprises: how to determine a PRB with the smallest index occupied in the frequency domain by a signal transmitted on the PUCCH according to a symbol type. As one embodiment, a benefit of the above method comprises: improving adaptability between the resource occupied by PUCCH transmission and the symbol type, and optimizing system resource allocation. As one embodiment, a benefit of the above method comprises: improving the utilization efficiency of system resources under the condition that the at least one symbol indicated by the first RRC signaling as the downlink symbol is the first-type symbol depends on the first information block. As one embodiment, a benefit of the above method comprises: improving scheduling flexibility of the PUCCH. As one embodiment, a benefit of the above method comprises: improving the uplink transmission performance for a scenario where the first-type symbol is configured. As one embodiment, a benefit of the above method comprises: good compatibility with existing 3GPP technical specification versions. According to one aspect of the present application, the above method is characterized in that, whether a first parameter is used for determining the minimum PRB index of the first signal depends on whether the first symbol set comprises the first-type symbol; when the first symbol set comprises at least one first-type symbol, the first parameter is used for determining the minimum PRB index of the