CN-122002575-A - Transmission parameter determining method, terminal and network side equipment

Abstract

The application discloses a transmission parameter determination method, which belongs to the technical field of electronic communication and comprises the steps that a terminal determines transmission parameters of a first signal according to first information, wherein the first signal is an uplink signal or a downlink signal, the first information comprises at least one of transmission parameters of a second signal, the second signal is a last signal received by the terminal, transmission parameters of a third signal, the third signal is a signal triggering the terminal to transmit the first signal, a measurement result obtained by measuring a reference signal, a candidate transmission parameter set and transmission parameter information of the first signal reported by the terminal.

Inventors

• WANG DIE
• PAN XUEMING
• QU XIN

Assignees

• 维沃移动通信有限公司

Dates

Publication Date

20260508

Application Date

20241106

Claims (20)

1. 1. A transmission parameter determination method, comprising: The terminal determines the transmission parameters of the first signal according to the first information; the first information includes at least one of: A transmission parameter of a second signal, the second signal being the last signal received by the terminal, A transmission parameter of a third signal, the third signal being a signal triggering the terminal to transmit the first signal, The measurement result obtained by measuring the reference signal, A set of candidate transmission parameters, Transmission parameter information of the first signal.
2. 2. The transmission parameter determining method according to claim 1, wherein the first signal is a wake-up signal, the wake-up signal is used to trigger the terminal to monitor a physical downlink control channel PDCCH, or the wake-up signal is used to wake-up a network.
3. 3. The transmission parameter determining method according to claim 1 or 2, wherein the first information includes transmission parameters of the second signal, and the terminal determines the transmission parameters of the first signal according to the first information, including: The terminal determines transmission parameters corresponding to the transmission parameters of the second signal in the first mapping relation as the transmission parameters of the first signal; The first mapping relationship is used for representing a corresponding relationship between transmission parameters of the second signal and transmission parameters of the first signal.
4. 4. A transmission parameter determination method according to claim 1 or 3, wherein the first information includes transmission parameters of the second signal; the transmission parameter of the second signal is the transmission parameter of the second signal in the first transmission process; the second signal in the first transmission process comprises at least one of an uplink signal in a wireless link recovery process, an uplink signal in a random access process, a Physical Uplink Control Channel (PUCCH), a Physical Uplink Shared Channel (PUSCH) and a Sounding Reference Signal (SRS); the transmission parameters of the second signal comprise at least one of repetition times, airspace characteristic parameters, PUCCH formats and PRACH formats.
5. 5. The transmission parameter determining method according to claim 1 or 3 or 4, wherein the second signal is PDCCH; The transmission parameters of the second signal include at least one of an aggregation level of the PDCCH, a spatial domain characteristic parameter of the PDCCH, a repeated transmission parameter of the PDCCH, a search space type of the PDCCH, and a control resource set CORESET type of the PDCCH.
6. 6. The transmission parameter determining method according to claim 1, 3 or 4, wherein the second signal is a physical downlink shared channel PDSCH; The transmission parameters of the second signal comprise at least one of Modulation and Coding Scheme (MCS) of the PDSCH, spatial domain characteristic parameters of the PDSCH and repeated transmission parameters of the PDSCH.
7. 7. The transmission parameter determining method according to claim 1, wherein the first information includes a measurement result obtained by measuring a reference signal, and the terminal determines the transmission parameter of the first signal according to the first information, including: The terminal determines transmission parameters corresponding to the measurement result of the measurement reference signal in the second mapping relation as the transmission parameters of the first signal; The first mapping relationship is used for representing a corresponding relationship between a measurement result of the measurement reference signal and a transmission parameter of the first signal.
8. 8. The transmission parameter determination method according to claim 1 or 7, wherein the first information includes a measurement result obtained by measuring a reference signal; The reference signals comprise at least one of a synchronous signal block SSB, a channel state information reference signal CSI-RS, a tracking reference signal TRS, a demodulation reference signal DMRS, a reference signal for radio resource management RRM measurement, a reference signal for radio link failure RLF measurement, a reference signal for beam failure BF measurement, a reference signal for channel state information CSI measurement, and a reference signal for mobility measurement; The measurement of the reference signal includes at least one of a physical layer measurement, or a higher layer measurement.
9. 9. The transmission parameter determining method according to claim 1 or 7 or 8, wherein the first information includes a measurement result obtained by measuring a reference signal, the method further comprising: and the terminal sends the measurement result to network side equipment, wherein the measurement result is used for determining the transmission parameters of the first signal.
10. 10. The transmission parameter determination method of claim 1, wherein the first information comprises a candidate set of transmission parameters, the method further comprising: The terminal receives a first signaling from network side equipment, wherein the first signaling is used for indicating at least one transmission parameter in the candidate transmission set; wherein the first signaling is carried by a PDCCH or PDSCH.
11. 11. The transmission parameter determination method according to claim 1 or 10, wherein the first information includes a candidate transmission parameter set including at least two first transmission parameters; The terminal determines a transmission parameter of a first signal according to first information, and the method comprises the following steps: And the terminal blindly detects the at least two first transmission parameters and determines the transmission parameters of the first signals.
12. 12. The transmission parameter determination method according to claim 1, wherein the first information includes transmission parameter information of the first signal; The transmission parameter information includes at least one of: a transmission parameter adjustment request for the first signal, The transmission parameters of the first signal determined by the terminal, An adjustment amount of a transmission parameter of the first signal.
13. 13. The transmission parameter determination method according to claim 1, wherein the transmission parameter of the first signal includes at least one of: Time domain resource parameters, frequency domain resource parameters, space domain resource parameters, coding parameters, information bit length parameters, power parameters; Wherein the time domain resource parameter comprises at least one of: The number of orthogonal frequency division multiplexing OFDM symbols occupied by the first signal, The number of modulation symbols occupied, The number of chips that are occupied, The number of monitor occasions MO occupied, The number M of second time units included in the first time unit; The frequency domain resource parameter comprises at least one of the following physical resource block PRB number occupied by the first signal, subcarrier number and frequency hopping parameter; The airspace resource parameter includes at least one of: The quasi co-location QCL of the first signal transmits configuration indication TCI, and the sounding reference signal resource indication SRI; The coding parameters comprise at least one of coding type, repetition number, repetition factor, coding rate and rate matching rate.
14. 14. The transmission parameter determination method according to claim 13, characterized in that the method further comprises: The terminal determines the number of occupied MOs according to the repetition times or the repetition factors; Or the terminal determines the repetition times or the repetition factors according to the number of occupied MO.
15. 15. The transmission parameter determination method according to claim 13, characterized in that the method further comprises: The terminal maps the first signal from the first MO of the configured group of MOs, or And the terminal starts mapping from a specific MO in the configured group of MOs according to the repetition times or the repetition factors of the first signals.
16. 16. The transmission parameter determination method of claim 13, wherein the preamble in the first signal is transmitted in a first MO occupied by the first signal, or The preamble of the first signal is transmitted before the first MO occupied by the first signal, or The preamble of the first signal is transmitted in each MO occupied by the first signal, or The preamble in the first signal is transmitted before each MO occupied by the first signal.
17. 17. The transmission parameter determination method according to claim 16, wherein a first MO is longer than a second MO, the first MO being a MO including a preamble transmission, the second MO being a MO not including a preamble transmission.
18. 18. A transmission parameter determination method, comprising: The network side equipment determines transmission parameters of a first signal according to the first information; the first information includes at least one of: A transmission parameter of a second signal, wherein the second signal is the last signal sent by the network side equipment to the terminal, A transmission parameter of a third signal, the third signal being a signal triggering the terminal to transmit the first signal, The measurement result obtained by measuring the reference signal, A set of candidate transmission parameters, Transmission parameter information of the first signal.
19. 19. The transmission parameter determining method according to claim 18, wherein the first information includes transmission parameters of the second signal, and the network side device determines the transmission parameters of the first signal according to the first information, including: The network side equipment determines transmission parameters corresponding to the transmission parameters of the second signals in the first mapping relation as the transmission parameters of the first signals; The first mapping relationship is used for representing a corresponding relationship between transmission parameters of the second signal and transmission parameters of the first signal.
20. 20. The transmission parameter determination method according to claim 18, wherein the first information includes a measurement result obtained by measuring a reference signal, the method further comprising: and the network side equipment receives the measurement result reported by the terminal, wherein the measurement result is used for determining the transmission parameter of the first signal.

Description

Transmission parameter determining method, terminal and network side equipment Technical Field The application belongs to the technical field of electronic communication, and particularly relates to a transmission parameter determining method, a terminal and network side equipment. Background With the development of mobile communication technology, the network side device determines a transmission parameter according to a mapping relationship between a downlink transmission environment and the transmission parameter, and the terminal receives a signal sent by the network side device according to the transmission parameter. In the related art, because the transmission parameters are semi-statically configured by the network side device, the transmission parameters cannot be timely adjusted according to the change of the wireless communication environment of the terminal, so that the terminal receives the signals by adopting unsuitable transmission parameters, and the efficiency of receiving the signals by the terminal is low. In this regard, the terminal may typically monitor, in real time, signaling indicating transmission parameters carried by a physical downlink control channel (Physical downlink control channel, PDCCH), and receive signals according to the transmission parameters indicated by the signaling. However, in the case where the wireless communication environment is changed more, a large amount of signaling overhead is increased, resulting in resource waste. Disclosure of Invention The embodiment of the application provides a transmission parameter determining method which can adjust the transmission parameters of signals in combination with the change of a transmission environment under the condition of reducing signaling overhead. The first aspect provides a transmission parameter determining method which is executed by a terminal, wherein the method comprises the steps that the terminal determines transmission parameters of a first signal according to first information, the first signal is an uplink signal or a downlink signal, the first information comprises at least one of transmission parameters of a second signal, the second signal is a last signal received by the terminal, the transmission parameters of a third signal are transmission parameters of the third signal, the third signal is a signal triggering the terminal to transmit the first signal, a measurement result obtained by measuring a reference signal, a candidate transmission parameter set and transmission parameter information of the first signal reported by the terminal. The second aspect provides a transmission parameter determining method which is executed by network side equipment, wherein the method comprises the steps that the network side equipment determines transmission parameters of a first signal according to first information, the first signal is an uplink signal or a downlink signal, the first information comprises at least one of transmission parameters of a second signal, the second signal is a last signal received by a terminal, transmission parameters of a third signal, the third signal is a signal triggering the terminal to transmit the first signal, a measurement result obtained by measuring a reference signal, a candidate transmission parameter set and transmission parameter information of the first signal reported by the terminal. The third aspect provides a transmission parameter determining device, which is applied to a terminal, and the device comprises a determining module, a determining module and a candidate transmission parameter set, wherein the determining module is used for determining transmission parameters of a first signal according to first information, the first signal is an uplink signal or a downlink signal, the first information comprises at least one of transmission parameters of a second signal, the second signal is a last signal received by the terminal, transmission parameters of a third signal, the third signal is a signal triggering the terminal to transmit the first signal, a measurement result obtained by measuring a reference signal, and transmission parameter information of the first signal reported by the terminal. The fourth aspect provides a transmission parameter determining device, which is applied to network side equipment, and the device comprises a determining module, a determining module and a candidate transmission parameter set, wherein the determining module is used for determining transmission parameters of a first signal according to first information, the first signal is an uplink signal or a downlink signal, the first information comprises at least one of transmission parameters of a second signal, the second signal is a last signal received by a terminal, transmission parameters of a third signal, the third signal is a signal triggering the terminal to transmit the first signal, a measurement result obtained by measuring a reference signal, and transmission param