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Bandwidth part configurations for V2X communication

專利號
US11889324B2
公開日期
2024-01-30
申請人
SHARP KABUSHIKI KAISHA(JP Sakai)
發(fā)明人
Kazunari Yokomakura; Tatsushi Aiba; Jia Sheng
IPC分類
H04W24/02; H04W4/40; H04W72/04; H04L5/14; H04W72/0453; H04W92/18
技術領域
bwp,ue,resource,may,gnb,sidelink,dl,pssch,ul,mhz
地域: Sakai

摘要

A user equipment (UE) is provided. The UE includes higher layer circuitry configured to receive first information to configure a sidelink bandwidth part (BWP) and second information to configure one or more resource pools for sidelink transmission and/or reception. The UE further includes transmission circuitry configured to transmit a physical sidelink control channel (PSCCH) and a physical sidelink shared channel (PSSCH). The first information includes a configuration of numerologies for the PSCCH and PSSCH and the second information includes a configuration of one or more resource pools for the PSCCH and PSSCH within the sidelink BWP.

說明書

  • For each numerology and carrier, a resource grid of Ngrid,xsize,μNscRB subcarriers and Nsymbsubframe,μ OFDM symbols may be defined, starting at common resource block Ngridstart,μ indicated by higher-layer signalling. There may be one set of resource grids per transmission direction (uplink or downlink) with the subscript x set to DL and UL for downlink and uplink, respectively. When there is no risk for confusion, the subscript x may be dropped. There may be one resource grid for a given antenna port p, subcarrier spacing configuration μ, and transmission direction (downlink or uplink).
  • The carrier bandwidth Ngridsize,μ for subcarrier spacing configuration μ may be given by the higher-layer parameter carrierBandwidth in the SCS-SpecificCarrier IE. The starting position Ngridstart,μ for subcarrier spacing configuration μ may be given by the higher-layer parameter offsetToCarrier in the SCS-SpecificCarrier IE.
  • The frequency location of a subcarrier refers to the center frequency of that subcarrier. For the downlink, the higher-layer parameter DirectCurrentLocation in the SCS-SpecificCarrier IE may indicate the location of the transmitter DC subcarrier in the downlink for each of the numerologies configured in the downlink. Values in the range 0-3299 represent the number of the DC subcarrier and the value 3300 indicates that the DC subcarrier is located outside the resource grid.

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