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US-12628056-B2 - Needforgap capability signaling in new radio

US12628056B2US 12628056 B2US12628056 B2US 12628056B2US-12628056-B2

Abstract

In accordance with some embodiments, a method comprises receiving, by a network node, a first level capability about measurement gap needed or not for a user equipment. The method further comprises transmitting, by the network node, a pre-configured measurement gap pattern, in response to the reported first level capability indicates that the user equipment needs a measurement gap. The method further comprises receiving, by the network node, status of the pre-configured measurement gap pattern is changed by the user equipment.

Inventors

  • Ping Yuan
  • Tero Henttonen
  • Lars Dalsgaard
  • Jing He
  • Amaanat ALI

Assignees

  • NOKIA TECHNOLOGIES OY

Dates

Publication Date
20260512
Application Date
20191107

Claims (20)

  1. 1 . A method, comprising: reporting, by a user equipment, a first level capability associated with whether at least one measurement gap is needed for the user equipment, wherein the first level capability is reported according to the following: one granularity per band combination, at least one supporting band, and at least one per band combination/per user equipment, per frequency range 1/frequency range 2 (FR1/FR2) grouping; receiving, by the user equipment, at least one pre-configured measurement gap pattern configured by a network node; determining, by the user equipment, a second level capability associated with whether at least one measurement gap is needed based on current physical layer configurations and at least one measurement configuration of the user equipment, wherein the current physical layer configurations comprise a number of multiple input multiple output (MIMO) layers in use, at least one set of supported band combinations in use, and at least one another physical layer configuration in use; determining, by the user equipment, when to enable or disable the at least one pre-configured measurement gap pattern based on the second level capability of the user equipment; and informing, by the user equipment, the network node that at least one status of the at least one pre-configured measurement gap pattern is changed.
  2. 2 . The method according to claim 1 , wherein the second level capability has smaller granularity than the first level capability.
  3. 3 . The method according to claim 2 , wherein the smaller granularity is supported without increasing gap capability bits, and wherein the first level capability is determined based on at least one maximum level of at least one physical layer configuration supported by the user equipment, and is carried in at least one UECapability Information message, at least one RRCConnectionComplete message, and at least one RRCReconfigurationComplete message.
  4. 4 . The method according to claim 3 , wherein the at least one status of the at least one pre-configured measurement gap pattern is enabled; and wherein the method further comprises: enabling, by the user equipment, at least one measurement gap; receiving, from a network entity, at least one RRCReconfiguration message; based on the received at least one RRCReconfiguration message, determining that the at least one measurement gap is no longer required; transmitting, by the user equipment, a signal to the network entity to disable the at least one measurement gap; disabling, by the user equipment, the at least one measurement gap; and receiving, by the user equipment, gapless-scheduling from the network entity.
  5. 5 . The method according to claim 4 , wherein the at least one status of the at least one pre-configured measurement gap pattern comprises at least one explicit indication with one additional bit together with the at least one pre-configured measurement gap pattern.
  6. 6 . An apparatus, comprising at least one processor and at least one memory including computer program code, wherein the at least one memory and the computer program code are configured to cause, the at least one processor to: report a first level capability associated with whether at least one measurement gap is needed for a user equipment, wherein the first level capability is reported according to the following: one granularity per band combination, at least one supporting band, and at least one per band combination/per user equipment, per frequency range 1/frequency range 2 (FR1/FR2) grouping; receive at least one pre-configured measurement gap pattern configured by a network node; determine a second level capability associated with whether at least one measurement gap is needed based on current physical layer configurations or at least one measurement configuration of the user equipment, wherein the current physical layer configurations comprise a number of multiple input multiple output (MIMO) layers in use, at least one set of supported band combinations in use, and at least one another physical layer configuration in use; determine when to enable or disable the at least one pre-configured measurement gap pattern based on the second level capability of the user equipment; and inform the network node that at least one status of the at least one pre-configured measurement gap pattern is changed.
  7. 7 . The apparatus according to claim 6 , wherein the second level capability has smaller granularity than the first level capability.
  8. 8 . The apparatus according to claim 7 , wherein the smaller granularity is supported without increasing gap capability bits, and wherein the first level capability is determined based on at least one maximum level of at least one physical layer configuration supported by the user equipment, and is carried in a UECapabilityInformation message, at least one RRCConnectionComplete message, and at least one RRCReconfigurationComplete message.
  9. 9 . The apparatus according to claim 8 , wherein the at least one status of the at least one pre-configured measurement gap pattern is enabled; and wherein the at least one memory and the computer program code are configured to further cause, the at least one processor to: enable at least one measurement gap; receive, from a network entity, at least one RRCReconfiguration message; based on the received RRCReconfiguration message, determine that the at least one measurement gap is no longer required; transmit a signal to the network entity to disable the at least one measurement gap; disable the at least one measurement gap; and receiving, by the user equipment, gapless-scheduling from the network entity.
  10. 10 . The apparatus according to claim 9 , wherein the at least one status of the at least one pre-configured measurement gap pattern comprises at least one setting configured to set a disabled status by default with the pre-configured measurement gap pattern being stored, but used once it is enabled.
  11. 11 . The apparatus according to claim 10 , wherein the at least one status of the at least one pre-configured measurement gap pattern comprises at least one explicit indication with one additional bit together with the at least one pre-configured measurement gap pattern.
  12. 12 . The apparatus according to claim 11 , wherein the at least one status of the at least one pre-configured measurement gap pattern being changed when MeasurementObject configuration or the physical layer configuration for the user equipment changes.
  13. 13 . The apparatus according to claim 12 , wherein the informing the at least one status of the at least one pre-configured measurement gap pattern is changed via physical layer command.
  14. 14 . A system comprising: an apparatus comprising at least one processor and at least one memory including computer program code, wherein the at least one memory and the computer program code are configured to cause the at least one processor to: report a first level capability associated with whether at least one measurement gap is needed for a user equipment, wherein the first level capability is reported according to the following: one granularity per band combination, at least one supporting band, and at least one per band combination/per user equipment, per frequency range 1/frequency range 2 (FR1/FR2) grouping; receive at least one pre-configured measurement gap pattern configured by a network node; determine a second level capability associated with whether at least one measurement gap is needed based on current physical layer configurations or at least one measurement configuration of the user equipment, wherein the current physical layer configurations comprise a number of multiple input multiple output (MIMO) layers in use, at least one set of supported band combinations in use, and at least one another physical layer configuration in use; determine when to enable or disable the at least one pre-configured measurement gap pattern based on the second level capability of the user equipment; and inform the network node that at least one status of the at least one pre-configured measurement gap pattern is changed.
  15. 15 . The system according to claim 14 , wherein the second level capability has smaller granularity than the first level capability.
  16. 16 . The system according to claim 15 , wherein the smaller granularity is supported without increasing gap capability bits, and wherein the first level capability is determined based on at least one maximum level of at least one physical layer configuration supported by the user equipment, and is carried in at least one UECapability Information message, at least one RRCConnectionComplete message, and at least one RRCReconfigurationComplete message.
  17. 17 . The system according to claim 16 , wherein the at least one status of the at least one pre-configured measurement gap pattern is enabled; and wherein the at least one memory and the computer program code are configured to further cause the at least one processor to: enable at least one measurement gap; receive at least one RRCReconfiguration message; based on the received at least one RRCReconfiguration message, determine that the at least one measurement gap is no longer required; transmit a signal to a network entity to disable the at least one measurement gap; disable the at least one measurement gap; and receive, by the user equipment, gapless-scheduling from the network entity.
  18. 18 . The system according to claim 17 , wherein the at least one status of the at least one pre-configured measurement gap pattern comprises at least one explicit indication by one additional bit together with the preconfigured measurement gap pattern.
  19. 19 . The system according to claim 14 , wherein the at least one status of the at least one pre-configured measurement gap pattern being changed when at least one MeasurementObject configuration for the user equipment changes.
  20. 20 . The system according to claim 14 , wherein the informing the at least one status of the at least one pre-configured measurement gap pattern is changed is via physical layer command.

Description

RELATED APPLICATION This application was originally filed as PCT Application No. PCT/CN2019/116414, filed on Nov. 7, 2019 which is incorporated herein by reference in its entirety. BACKGROUND Field Certain embodiments may relate to communication systems. For example, some embodiments may relate to measurement gaps. Description of the Related Art In 3rd Generation Partnership Project (3GPP) RAN2 #107, RAN2 decided to introduce a NeedForGap capability signalling in NR Rel-16 (R2-1912001) for improving the data transmission efficiency. The network may configure a measurement gap for the UE only when the UE has reported NeedForGap=true; otherwise, no measurement gap may be configured to the UE. SUMMARY In accordance with some embodiments, a method may include reporting, by a user equipment, a first level capability associated with whether at least one measurement gap is needed for the user equipment. The method may further include receiving, by the user equipment, at least one pre-configured measurement gap pattern configured by a network node. The method may further include determining, by the user equipment, a second level capability associated with whether at least one measurement gap is needed based on at least one of at least one current physical layer configuration or at least one measurement configuration of the user equipment. The method may further include determining, by the user equipment, when to enable or disable the at least one pre-configured measurement gap pattern based on the second level capability of the user equipment. The method may further include informing, by the user equipment, the network node that at least one status of the at least one pre-configured measurement gap pattern is changed. In accordance with some embodiments, an apparatus may include means for reporting a first level capability associated with whether at least one measurement gap is needed for the apparatus. The apparatus may further include means for receiving at least one pre-configured measurement gap pattern configured by a network node. The apparatus may further include means for determining a second level capability associated with whether at least one measurement gap is needed based on at least one of at least one current physical layer configuration or at least one measurement configuration of the apparatus. The apparatus may further include means for determining when to enable or disable the at least one pre-configured measurement gap pattern based on the second level capability of the apparatus. The apparatus may further include means for informing the network node that at least one status of the at least one pre-configured measurement gap pattern is changed. In accordance with some embodiments, an apparatus may include at least one processor and at least one memory including computer program code. The at least one memory and the computer program code can be configured to, with the at least one processor, cause the apparatus to at least report a first level capability associated with whether at least one measurement gap is needed for the apparatus. The at least one memory and the computer program code can be further configured to, with the at least one processor, cause the apparatus to at least receive at least one pre-configured measurement gap pattern configured by a network node. The at least one memory and the computer program code can be further configured to, with the at least one processor, cause the apparatus to at least determine a second level capability associated with whether at least one measurement gap is needed based on at least one of at least one current physical layer configuration or at least one measurement configuration of the apparatus. The at least one memory and the computer program code can be further configured to, with the at least one processor, cause the apparatus to at least determine when to enable or disable the at least one pre-configured measurement gap pattern based on the second level capability of the apparatus. The at least one memory and the computer program code can be further configured to, with the at least one processor, cause the apparatus to at least inform the network node that at least one status of the at least one pre-configured measurement gap pattern is changed. In accordance with some embodiments, a non-transitory computer readable medium can be encoded with instructions that may, when executed in hardware, perform a method. The method may include reporting a first level capability associated with whether at least one measurement gap is needed. The method may further include receiving at least one pre-configured measurement gap pattern configured by a network node. The method may further include determining a second level capability associated with whether at least one measurement gap is needed based on at least one of at least one current physical layer configuration or at least one measurement configuration. The method may further include determining when t