CN-115997469-B - Communication method, device, equipment and storage medium

Abstract

The disclosure relates to a communication method, a device, equipment and a storage medium, which comprise responding to the condition of a working frequency band of a terminal, and the terminal performs Physical Uplink Control Channel (PUCCH) transmission based on the working frequency band in a random access stage, determining a transmission mode of the PUCCH, wherein the transmission mode of the PUCCH comprises frequency hopping transmission or non-frequency hopping transmission, and performing a random access process based on the determined transmission mode of the PUCCH. And determining a transmission mode of the PUCCH when the PUCCH is transmitted in the random access stage in the working frequency range meeting the condition, so as to select frequency hopping transmission or non-frequency hopping transmission according to the transmission mode of the PUCCH. Thereby avoiding the resource waste caused by adopting PUCCH frequency hopping.

Inventors

• Mou qin
• QIAO XUEMEI

Assignees

• 北京小米移动软件有限公司

Dates

Publication Date

20260512

Application Date

20221019

Claims (20)

1. 1. A communication method, wherein the method is applied to a terminal, and comprises: responding to the condition of the working frequency band of the terminal, and the terminal performs Physical Uplink Control Channel (PUCCH) transmission based on the working frequency band in a random access stage, and determining a transmission mode of the PUCCH, wherein the transmission mode of the PUCCH comprises frequency hopping transmission or non-frequency hopping transmission; performing a random access process based on the determined transmission mode of the PUCCH; the random access procedure is performed based on the determined transmission mode of the PUCCH, including: in response to the transmission mode of the PUCCH being non-frequency hopping transmission, determining the PRB index of the PUCCH according to at least one of the PUCCH resource index, the BWP resource quantity of an uplink bandwidth part, the cyclic shift sequence quantity and the PRB parameter of a PUCCH physical resource block; Determining the index of a cyclic shift sequence according to the PUCCH resource index and the number of the cyclic shift sequences, wherein the cyclic shift sequence corresponding to the index of the cyclic shift sequence is used for multiplexing the PRB corresponding to the PRB index, and the PRB corresponding to the multiplexed PRB index can be multiplexed based on a code domain so as to form orthogonality among the multiplexed PRBs; Multiplexing PRBs corresponding to the PRB indexes when a random access process is carried out by utilizing the cyclic shift sequences corresponding to the indexes of the cyclic shift sequences; The working frequency band meeting conditions comprise at least one of the following frequency band number of the working frequency band is n8, the frequency band number of the working frequency band is n26, the frequency band number of the working frequency band is n28, and the frequency band number of the working frequency band is n100.
2. 2. The method of claim 1, wherein the PUCCH resource index is determined based on a parameter of a physical downlink control channel, PDCCH, used by the random access procedure.
3. 3. The method of claim 2, wherein the parameters of the PDCCH include at least one of: Control Channel Element (CCE) information occupied by the PDCCH; and PUCCH resource allocation information contained in the PDCCH.
4. 4. A method according to any of claims 1-3, characterized in that one or more of the amount of uplink BWP resources, the number of cyclic shift sequences and the PUCCH PRB parameters are configured based on higher layer signaling sent by a network device.
5. 5. The method according to claim 1, wherein the determining the PRB index of the PUCCH according to at least one of a PUCCH resource index, an uplink bandwidth part BWP resource amount, a cyclic shift sequence amount, and a PUCCH physical resource block PRB parameter comprises: And determining a first PRB index according to the PUCCH resource index, the number of cyclic shift sequences and the PUCCH PRB parameter.
6. 6. The method according to claim 1, wherein the determining the PRB index of the PUCCH according to at least one of a PUCCH resource index, an uplink bandwidth part BWP resource amount, a cyclic shift sequence amount, and a PUCCH physical resource block PRB parameter comprises: And determining a second PRB index according to the PUCCH resource index, the uplink BWP resource quantity, the cyclic shift sequence quantity and the PUCCH PRB parameter.
7. 7. The method of claim 1, wherein the index of the cyclic shift sequence is a modulus of the PUCCH resource index and the number of cyclic shift sequences.
8. 8. The method of claim 1, wherein the determining the transmission manner of the PUCCH comprises: receiving frequency hopping indication information sent by network equipment, wherein the frequency hopping indication information is used for indicating that the transmission mode of the PUCCH is frequency hopping transmission or non-frequency hopping transmission; and determining the transmission mode of the PUCCH according to the frequency hopping indication information.
9. 9. The method of claim 8, wherein the frequency hopping indication information comprises a PRB index indicator; The PRB index indicator is used for indicating whether the PRB used for performing the random access procedure is the PRB corresponding to the first PRB index or the PRB corresponding to the second PRB index.
10. 10. The method of claim 1, wherein the determining the transmission manner of the PUCCH comprises: And determining the transmission mode of the PUCCH based on a predefined rule.
11. 11. The method according to any of claims 8-10, wherein the PUCCH transmission mode defaults to non-hopping transmission.
12. 12. A method of communication, the method being applied to a network device, comprising: In response to the working frequency band of a terminal meeting a condition, configuring a transmission mode of a Physical Uplink Control Channel (PUCCH) transmitted by the terminal in a random access stage based on the working frequency band, wherein the transmission mode of the PUCCH comprises frequency hopping transmission or non-frequency hopping transmission; performing a random access process with the terminal based on the transmission mode of the PUCCH; the random access process is performed between the transmission mode based on the PUCCH and the terminal, and the method comprises the following steps: in response to the transmission mode of the PUCCH being non-frequency hopping transmission, determining the PRB index of the PUCCH according to at least one of the PUCCH resource index, the BWP resource quantity of an uplink bandwidth part, the cyclic shift sequence quantity and the PRB parameter of a PUCCH physical resource block; Determining the index of a cyclic shift sequence according to the PUCCH resource index and the number of the cyclic shift sequences, wherein the cyclic shift sequence corresponding to the index of the cyclic shift sequence is used for multiplexing the PRB corresponding to the PRB index, and the PRB corresponding to the multiplexed PRB index can be multiplexed based on a code domain so as to form orthogonality among the multiplexed PRBs; Multiplexing PRBs corresponding to the PRB indexes when a random access process is carried out by utilizing the cyclic shift sequences corresponding to the indexes of the cyclic shift sequences; The working frequency band meeting conditions comprise at least one of the following frequency band number of the working frequency band is n8, the frequency band number of the working frequency band is n26, the frequency band number of the working frequency band is n28, and the frequency band number of the working frequency band is n100.
13. 13. The method of claim 12, wherein the PUCCH resource index is determined based on a parameter of a physical downlink control channel, PDCCH, used by the random access procedure.
14. 14. The method of claim 13, wherein the parameters of the PDCCH include at least one of: Control Channel Element (CCE) information occupied by the PDCCH; and PUCCH resource allocation information contained in the PDCCH.
15. 15. The method according to any of claims 12-14, wherein one or more of the amount of uplink BWP resources, the number of cyclic shift sequences and the PUCCH PRB parameters are configured based on higher layer signaling of the network device.
16. 16. The method of claim 12, wherein the determining the PRB index of the PUCCH according to at least one of the PUCCH resource index, the uplink bandwidth part BWP resource amount, the cyclic shift sequence amount, and the PUCCH physical resource block PRB parameter comprises: And determining a first PRB index according to the PUCCH resource index, the number of cyclic shift sequences and the PUCCH PRB parameter.
17. 17. The method of claim 12, wherein the determining the PRB index of the PUCCH according to at least one of the PUCCH resource index, the uplink bandwidth part BWP resource amount, the cyclic shift sequence amount, and the PUCCH physical resource block PRB parameter comprises: And determining a second PRB index according to the PUCCH resource index, the uplink BWP resource quantity, the cyclic shift sequence quantity and the PUCCH PRB parameter.
18. 18. The method of claim 12, wherein the index of the cyclic shift sequence is a modulus of the PUCCH resource index and the number of cyclic shift sequences.
19. 19. The method according to claim 12, wherein the method further comprises: And sending frequency hopping indication information to the terminal, wherein the frequency hopping indication information is used for indicating that the transmission mode of the PUCCH is frequency hopping transmission or non-frequency hopping transmission.
20. 20. The method of claim 19, wherein the frequency hopping indication information comprises a PRB index indicator; The PRB index indicator is used for indicating whether the PRB used for performing the random access procedure is the PRB corresponding to the first PRB index or the PRB corresponding to the second PRB index.

Description

Communication method, device, equipment and storage medium Technical Field The disclosure relates to the field of communication technologies, and in particular, to a communication method, a device, equipment and a storage medium. Background In a spectrum scenario of less than 5MHz, corresponding research is being conducted on a part of dedicated frequency band supporting new wireless Network (NR) technology. These dedicated spectrum may be used to provide services for some specific services. The spectrum for these dedicated bands supports only 15KHz subcarrier spacing, while the system bandwidth is typically 5MHz and 3MHz. According to the provision of Radio Frequency (RF) channels by NR and long term evolution (long term evolution, LTE), 25 Resource Blocks (RBs) may be included in the system bandwidth for 5 MHz. 15 RBs may be included in the system bandwidth for 3MHz, as specified by LTE for RF CHANNEL. Currently, in an initial (UL) bandwidth part (BWP), a physical uplink control channel (physical uplink control channel, PUCCH) is configured by default for data transmission using frequency hopping. For a certain slot in the PUCCH, the data transmitted in the first half slot may be transmitted on any one physical resource block (physical resource block, PRB) resource in the initial UL BWP, and the data transmitted in the second half slot may be transmitted on another PRB resource in the initial UL BWP. However, for some smaller bandwidths, frequency hopping of PUCCH causes serious resource waste. Therefore, how to avoid resource waste caused by frequency hopping of PUCCH is a problem to be solved. Disclosure of Invention To overcome the problems in the related art, the present disclosure provides a communication method, apparatus, device, and storage medium. According to a first aspect of the embodiments of the present disclosure, a communication method is provided, which is applied to a terminal, and the method includes responding to that an operating frequency band of the terminal meets a condition, and the terminal performs Physical Uplink Control Channel (PUCCH) transmission based on the operating frequency band in a random access stage, determining a transmission mode of the PUCCH, wherein the transmission mode of the PUCCH includes frequency hopping transmission or non-frequency hopping transmission, and performing a random access process based on the determined transmission mode of the PUCCH. In one embodiment, the random access procedure is performed based on the determined transmission mode of the PUCCH, and the method comprises the steps of determining a Physical Resource Block (PRB) index of the PUCCH according to at least one of a physical resource index (PUCCH), an uplink bandwidth part (BWP) resource amount, a cyclic shift sequence amount and a Physical Resource Block (PRB) parameter of the PUCCH in response to the non-frequency hopping transmission mode of the PUCCH, and performing the random access procedure on the PRB corresponding to the PRB index. In one embodiment, the PUCCH resource index is determined based on parameters of a physical downlink control channel PDCCH used by the random access procedure. In one embodiment, the parameters of the PDCCH include at least one of Control Channel Element (CCE) information occupied by the PDCCH and PUCCH resource allocation information contained in the PDCCH. In one embodiment, one or more of the amount of uplink BWP resources, the number of cyclic shift sequences, and the PUCCH PRB parameters are configured based on higher layer signaling sent by the network device. In one embodiment, determining the PRB index of the PUCCH based on at least one of the PUCCH resource index, the uplink bandwidth portion BWP resource amount, the cyclic shift sequence amount, and the PUCCH physical resource block PRB parameter includes determining the first PRB index based on the PUCCH resource index, the cyclic shift sequence amount, and the PUCCH PRB parameter. In one embodiment, determining the PRB index of the PUCCH based on at least one of the PUCCH resource index, the uplink bandwidth portion BWP resource amount, the cyclic shift sequence amount, and the PUCCH physical resource block PRB parameter includes determining the second PRB index based on the PUCCH resource index, the uplink BWP resource amount, the cyclic shift sequence amount, and the PUCCH PRB parameter. In one embodiment, the random access process is performed on PRBs corresponding to PRB indexes, and the method comprises the steps of determining indexes of cyclic shift sequences according to PUCCH resource indexes and the number of the cyclic shift sequences, wherein the cyclic shift sequences corresponding to the indexes of the cyclic shift sequences are used for multiplexing the PRBs corresponding to the PRB indexes, and multiplexing the PRBs corresponding to the PRB indexes when the random access process is performed by using the cyclic shift sequences corresponding to the indexes of the cycli