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Method and apparatus for requesting resource for control element transmission in a wireless communication system

專利號
US11159979B2
公開日期
2021-10-26
申請人
ASUSTek Computer Inc.（TW Taipei）
發(fā)明人
Wei-Yu Chen; Richard Lee-Chee Kuo; Li-Chih Tseng
IPC分類
H04W28/02; H04W72/04; H04W72/12; H04W72/08; H04L5/00; H04L12/835; H04W72/10
技術(shù)領(lǐng)域
sr,ue,numerology,bsr,mac,sidelink,tti,uplink,channel,control
地域： Taipei

摘要

A method and apparatus are disclosed from the perspective of a UE, wherein the UE is allocated with multiple SR configurations by a network node. In one embodiment, the method includes the UE triggering a MAC control element if a timer expires. The method also includes the UE triggering a SR for the MAC control element. The method also includes the UE transmitting the SR based on a first SR configuration of the multiple SR configurations, wherein the first SR configuration is associated with a highest priority logical channel having data available for transmission when the MAC control element is triggered.

說明書

An additional possibility is to monitor one or multiple control channels regardless SR of which SR configuration with triggered SR being transmitted. The possibility mentioned above could also be applied on different control channels at the same time. For example, for a control channel (e.g. default control channel), a UE monitors the control channel after the UE performs a SR transmission. The UE will further monitor another control channel after the UE performs a SR transmission. In addition, the UE will monitor another control channel within certain period instead of monitoring till no SR pending.

The default control channel could be defined by one or multiple condition(s) below:

  • 1. Control channel on PCell
  • 2. Control channel used to monitor Paging message
  • 3. Control channel used to monitor SI-RNTI
  • 4. Control channel used for scheduling default numerology
  • 5. Control channel with very first index or very last index

The SR configuration with triggered SR refers to a SR configuration that has pending SR and UE already performs SR transmission once based on the SR configuration since last SR cancellation for the SR configuration. An example is shown in FIG. 19. In particular, FIG. 19 shows an exemplary embodiment of a PDCCH monitoring period of a SR configuration with triggered SR. The grey period in FIG. 19 is the PDCCH monitoring period for SR configuration 1 with triggered SR. The black period in FIG. 19 is the PDCCH monitoring period for SR configuration 2 with triggered SR.

權(quán)利要求

1
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