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Bandwidth part configurations for V2X communication

專(zhuān)利號(hào)
US11889324B2
公開(kāi)日期
2024-01-30
申請(qǐng)人
SHARP KABUSHIKI KAISHA（JP Sakai）
發(fā)明人
Kazunari Yokomakura; Tatsushi Aiba; Jia Sheng
IPC分類(lèi)
H04W24/02; H04W4/40; H04W72/04; H04L5/14; H04W72/0453; H04W92/18
技術(shù)領(lǐng)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(shuō)明書(shū)

In the downlink, the OFDM access scheme with cyclic prefix (CP) may be employed, which may be also referred to as CP-OFDM. In the downlink, PDCCH, enhanced PDCCH (EPDCCH), PDSCH and the like may be transmitted. A downlink radio frame may include multiple pairs of downlink resource blocks (RBs) which is also referred to as physical resource blocks (PRBs). The downlink RB pair is a unit for assigning downlink radio resources, defined by a predetermined bandwidth (RB bandwidth) and a time slot. The downlink RB pair includes two downlink RBs that are continuous in the time domain.

The downlink RB includes twelve sub-carriers in frequency domain. The downlink slot includes fourteen (for normal CP) or twelve (for extended CP) OFDM symbols in time domain. A region defined by one sub-carrier in frequency domain and one OFDM symbol in time domain is referred to as a resource element (RE) and is uniquely identified by the index pair (k,l) in a slot, where k and l are indices in the frequency and time domains, respectively. While downlink subframes in one component carrier (CC) are discussed herein, downlink subframes are defined for each CC and downlink subframes are substantially in synchronization with each other among CCs.

FIG. 6 is a diagram illustrating one example of a resource grid for the uplink. The resource grid illustrated in FIG. 6 may be utilized in some implementations of the systems and methods disclosed herein. More detail regarding the resource grid is given in connection with FIG. 1.

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