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CN-121985384-A - Bandwidth part configuration method, device, equipment and storage medium

CN121985384ACN 121985384 ACN121985384 ACN 121985384ACN-121985384-A

Abstract

The present disclosure provides a bandwidth part configuration method, device, equipment and storage medium. The method is performed by a user equipment and comprises the steps of responding to the user equipment configured with a plurality of initial downlink bandwidth parts BWPs, determining one of the plurality of initial downlink BWPs as a default BWP, wherein the default BWP is a target BWP to which the user equipment is switched in response to a first timer timeout. When the user equipment does not receive the scheduling DCI for a long time, the user equipment is switched to the initial downlink BWP with narrower bandwidth, so that the power consumption of the user equipment can be reduced, and the method is more suitable for a 5G NR-lite system.

Inventors

  • Mou qin

Assignees

  • 北京小米移动软件有限公司

Dates

Publication Date
20260505
Application Date
20220218

Claims (13)

  1. 1. A bandwidth part configuration method, performed by a user equipment and a network equipment, comprising: the network equipment configures a random access channel for sending random access information for the user equipment, and a physical layer channel and a random access search space, wherein the physical layer channel is used for bearing random access response corresponding to the random access information; The network device configures a plurality of initial downlink bandwidth parts BWP and one initial uplink BWP for the user device, one of the plurality of initial downlink BWP is a first initial downlink BWP, the initial uplink BWP includes the random access channel, and the first initial downlink BWP includes the physical layer channel and the random access search space; The user equipment determines one of the plurality of initial downlink BWPs as a default BWP, wherein the default BWP is the first initial downlink BWP; the ue determines that a first timer expires and then switches to a target BWP, where the target BWP is the default BWP, and the first timer is configured to time a duration that the ue does not receive the scheduled downlink control information on the active BWP.
  2. 2. A bandwidth part configuration method, performed by a user equipment and a network equipment, comprising: the network equipment configures a random access channel for sending random access information for the user equipment, and a physical layer channel and a random access search space, wherein the physical layer channel is used for bearing random access response corresponding to the random access information; The network device configures a plurality of initial downlink bandwidth parts BWP and an uplink BWP for the user device, one of the plurality of initial downlink BWP is an initial downlink BWP configured by MIB, the uplink BWP includes the random access channel, and the initial downlink BWP configured by MIB includes the physical layer channel and the random access search space; The user equipment determines one of the plurality of initial downlink BWPs as a default BWP, wherein the default BWP is the initial downlink BWP configured through MIB; the ue determines that a first timer expires and then switches to a target BWP, where the target BWP is the default BWP, and the first timer is configured to time a duration that the ue does not receive the scheduled downlink control information on the active BWP.
  3. 3. A method of bandwidth part configuration performed by a user equipment, comprising: the user equipment is configured with a plurality of initial downlink BWP; After a BWP inactivity timer times out, the user equipment switches to a target BWP of a plurality of initial downlink BWP, wherein the BWP inactivity timer is used for timing a duration that the user equipment does not receive scheduling downlink control information on an active BWP, the target BWP is a first initial downlink BWP, the first initial downlink BWP is a BWP comprising a physical layer channel configured for the user equipment and a random access search space, the physical layer channel is used for carrying a random access response corresponding to the random access information, and the initial uplink BWP corresponding to the first initial downlink BWP comprises a random access channel configured for the user equipment and used for transmitting random access information.
  4. 4. A method of bandwidth part configuration performed by a user equipment, comprising: the user equipment is configured with a plurality of initial downlink BWP; After a BWP inactivity timer times out, the user equipment switches to a target BWP among a plurality of initial downlink BWP, wherein the BWP inactivity timer is used for timing a duration that the user equipment does not receive scheduling downlink control information on an active BWP, the target BWP is an initial downlink BWP configured by MIB, the initial downlink BWP configured by MIB is a BWP including a physical layer channel configured for the user equipment and a random access search space, the physical layer channel is used for carrying a random access response corresponding to the random access information, and the initial downlink BWP configured by MIB includes a random access channel configured for the user equipment for transmitting random access information.
  5. 5. A method of bandwidth part configuration performed by a network device, comprising: The network device configures a plurality of initial downlink BWPs for user equipment, wherein the plurality of initial downlink BWPs comprises a target BWP, the target BWP is the BWP to which the user equipment is switched after a BWP inactivity timer times out, the BWP inactivity timer is used for timing a duration that the user equipment does not receive scheduling downlink control information on the active BWP, the target BWP is a first initial downlink BWP, the first initial downlink BWP is the BWP comprising a physical layer channel configured for the user equipment and a random access search space, the physical layer channel is used for bearing a random access response corresponding to the random access information, and the initial uplink BWP corresponding to the first initial downlink BWP comprises a random access channel configured for the user equipment and used for sending the random access information.
  6. 6. A method of bandwidth part configuration performed by a network device, comprising: The network device configures a plurality of initial downlink BWPs for a user equipment, wherein the plurality of initial downlink BWPs comprise a target BWP, the target BWP is a BWP to which the user equipment is switched after a BWP inactivity timer times out, the BWP inactivity timer is used for timing a duration that the user equipment does not receive scheduling downlink control information on an active BWP, the target BWP is an initial downlink BWP configured through a MIB, the initial downlink BWP configured through the MIB is a BWP comprising a physical layer channel configured for the user equipment and a random access search space, the physical layer channel is used for bearing a random access response corresponding to the random access information, and the uplink BWP corresponding to the initial downlink BWP configured through the MIB comprises a random access channel configured for the user equipment and used for transmitting random access information.
  7. 7. A bandwidth part configuration apparatus, applied to a user equipment, comprising: the user equipment is configured with a plurality of initial downlink BWP; And a processing module configured to switch to a target BWP of a plurality of initial downlink BWP after a BWP inactivity timer expires, wherein the BWP inactivity timer is used for timing a duration that the user equipment does not receive scheduling downlink control information on an active BWP, the target BWP is a first initial downlink BWP, the first initial downlink BWP is a BWP including a physical layer channel configured for the user equipment and a random access search space, the physical layer channel is used for carrying a random access response corresponding to the random access information, and the initial uplink BWP corresponding to the first initial downlink BWP includes a random access channel configured for the user equipment and used for transmitting random access information.
  8. 8. A bandwidth part configuration apparatus, applied to a user equipment, comprising: the user equipment is configured with a plurality of initial downlink BWP; And a processing module configured to switch to a target BWP of a plurality of initial downlink BWPs after a BWP inactivity timer expires, wherein the BWP inactivity timer is used for timing a duration that the user equipment does not receive scheduling downlink control information on an active BWP, the target BWP is an initial downlink BWP configured by a MIB, the initial downlink BWP configured by the MIB is a BWP including a physical layer channel configured for the user equipment and a random access search space, the physical layer channel is used for carrying a random access response corresponding to the random access information, and the uplink BWP corresponding to the initial downlink BWP configured by the MIB includes a random access channel configured for the user equipment and used for transmitting random access information.
  9. 9. A bandwidth part configuration apparatus applied to a network device, comprising: The network device comprises a processing module configured to configure a plurality of initial downlink BWPs for the user device, wherein the plurality of initial downlink BWPs comprise a target BWP, the target BWP is the BWP to which the user device is switched after a BWP inactivity timer times out, the BWP inactivity timer is used for timing the duration that the user device does not receive scheduling downlink control information on an active BWP, the target BWP is a first initial downlink BWP, the first initial downlink BWP is the BWP comprising a physical layer channel configured for the user device and a random access search space, the physical layer channel is used for bearing a random access response corresponding to the random access information, and the initial uplink BWP corresponding to the first initial downlink BWP comprises a random access channel configured for the user device and used for sending the random access information.
  10. 10. A bandwidth part configuration apparatus applied to a network device, comprising: The base station comprises a processing module configured to configure a plurality of initial downlink BWPs for user equipment by the network equipment, wherein the plurality of initial downlink BWPs comprise a target BWP, the target BWP is the BWP to which the user equipment is switched after a BWP inactivity timer times out, the BWP inactivity timer is used for timing the duration that the user equipment does not receive scheduling downlink control information on the active BWP, the target BWP is the initial downlink BWP configured by a MIB, the initial downlink BWP configured by the MIB is the BWP comprising a physical layer channel and a random access search space configured for the user equipment, the physical layer channel is used for bearing a random access response corresponding to the random access information, and the uplink BWP corresponding to the initial downlink BWP configured by the MIB comprises a random access channel configured for the user equipment and used for sending the random access information.
  11. 11. A mobile terminal, comprising: A processor; A memory for storing processor-executable instructions; Wherein the processor is configured to execute executable instructions in the memory to implement the steps of the bandwidth part configuration method in claim 3 or 4.
  12. 12. A network side device, comprising: A processor; A memory for storing processor-executable instructions; Wherein the processor is configured to execute executable instructions in the memory to implement the steps of the bandwidth part configuration method in claim 5 or 6.
  13. 13. A non-transitory computer readable storage medium having stored thereon executable instructions which when executed by a processor implement the steps of the bandwidth part configuration method of any of claims 3 to 6.

Description

Bandwidth part configuration method, device, equipment and storage medium The disclosure is a divisional application of China application with the application number 202280000451.8 and the application date 2022, 02 and 18, and the name of the patent is 'a bandwidth part configuration method, device, equipment and storage medium'. Technical Field The disclosure relates to the technical field of wireless communication, and in particular relates to a bandwidth part configuration method, device, equipment and storage medium. Background In an LTE 4G system, two major technologies of narrowband internet of things (Narrow band Internet of Thing, NB-IoT) NB-IoT are proposed for supporting internet of things services (MACHINE TYPE Communication, MTC). The two major techniques are mainly aimed at low-rate, high-delay and other scenes. Such as meter reading, environmental monitoring, etc. NB-IoT currently can only support rates of a few hundred K at maximum, and MTC currently can only support rates of a few M at maximum. On the other hand, with the continuous development of the internet of things service, such as video monitoring, smart home, wearable equipment, industrial sensing monitoring and other services are popularized. These services typically require rates of tens to 100M, with relatively high latency requirements, so MTC, NB-IoT technology in LTE is difficult to meet. Based on this situation, many companies have proposed a requirement of redesigning a new user equipment in a new 5G air interface to cover such a middle-end internet of things device. In the current 3GPP standardization, this new terminal type is called a low capability (Reduced capability, redCap) terminal or simply an NR-lite terminal. Disclosure of Invention In view of this, the present disclosure provides a bandwidth part configuration method, apparatus, device and storage medium. According to a first aspect of embodiments of the present disclosure, there is provided a bandwidth part configuration method, which is performed by a user equipment, including: responsive to the user equipment being configured with a plurality of initial downlink bandwidth portions, BWP, determining that one of the plurality of initial downlink BWP is a default BWP; Wherein the default BWP is a target BWP to which the user equipment is to be switched in response to a first timer timeout. In an embodiment, the determining that one of the plurality of initial downlink BWP is a default BWP includes: And determining one of the plurality of initial downlink BWPs as the default BWP based on the configuration situation of the uplink BWP of the user equipment. In an embodiment, the determining that one of the plurality of initial downlink BWP is a default BWP includes: And in response to the user equipment being configured with one initial uplink BWP, determining that a first initial downlink BWP having a corresponding relation with the initial uplink BWP is the default BWP, wherein the first initial downlink BWP is one of the plurality of initial downlink BWP. In an embodiment, the corresponding relationship is that the initial uplink BWP and the first initial downlink BWP have the same center frequency point. In an embodiment, the correspondence is that the initial uplink BWP includes a random access channel configured for the user equipment and used for transmitting random access information, and the first initial downlink BWP includes a physical layer channel and a random access search space configured for the user equipment; Wherein the physical layer channel is configured to carry a random access response corresponding to the random access information. In an embodiment, the determining that one of the plurality of initial downlink BWP is a default BWP includes: and determining that the initial downlink BWP configured by the MIB is the default BWP in response to the plurality of initial downlink BWPs including the initial downlink BWP configured by the network device by the master system information block MIB. In an embodiment, the determining that the initial downlink BWP configured by MIB is the default BWP includes: And determining that the initial downlink BWP configured by the MIB is the default BWP in response to the user equipment being configured with the uplink BWP having a corresponding relation with the initial downlink BWP configured by the MIB. In an embodiment, the corresponding relationship is that the uplink BWP and the initial downlink BWP configured by the MIB have the same center frequency point. In an embodiment, the corresponding relation is that the uplink BWP includes a random access channel configured for the ue to transmit random access information, and the initial downlink BWP configured by MIB includes a physical layer channel and a random access search space configured for the ue; Wherein the physical layer channel is configured to carry a random access response corresponding to the random access information. In an embodiment, the determi