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Method and apparatus for transmitting terminal support data for SPS in wireless communication system

專利號(hào)
US10873935B2
公開日期
2020-12-22
申請(qǐng)人
LG ELECTRONICS INC.（KR Seoul）
發(fā)明人
Youngdae Lee; Jaewook Lee
IPC分類
H04W72/04
技術(shù)領(lǐng)域
ue,sps,assistance,enb,sidelink,channel,v2x,logical,persistent,ul
地域： Seoul

摘要

User equipment (UE) can transmit UE support data for semi-persistent scheduling (SPS) to an evolved NodeB (eNB) in order to effectively allocate SPS resources for vehicle-to-everything (V2X) communication. The release of SPS can be directed by means of the UE support data. More specifically, a terminal receives, from an eNB, a plurality of SPS configurations for a plurality of logical channels, and transmits, to the eNB, UE support data comprising an SPS release directive for any one logical channel from among the plurality of logical channels.

說明書

  • The UE assistance information may be reported both when the SPS is configured and when the SPS is not configured.
  • The UE assistance information may be configured for either each of existing SPS configuration or each of new SPS configuration.
  • The report of the UE assistance information is configured by the eNB for at least PC5 V2X.
  • If the UE assistance information is configured by the eNB, the UE assistance information may additionally include an SPS index of the SPS configuration.

    • Based on the above agreement, the present invention proposes detailed features of the UE assistance information through various embodiments.

    (1) Whether the UE assistance information is reported per each logical channel or each ProSe per-packet priority (PPPP) has not yet been determined. If different types of messages with the same PPPP are sent together via SPS resources, it is expected that it will be difficult for the UE to predict the combined traffic pattern. That is, it is expected that the UE assistance information will not accurately reflect the combined traffic pattern. Thus, according to one embodiment of the present invention, it may be proposed that UE assistance information is reported for each logical channel.

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