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Method for slot format for backhaul and access link in wireless communication system and terminal using same method

專(zhuān)利號(hào)
US11350410B2
公開(kāi)日期
2022-05-31
申請(qǐng)人
LG Electronics Inc.（KR Seoul）
發(fā)明人
Hyangsun You; Yunjung Yi; Huayue Song
IPC分類(lèi)
H04W72/04; H04W72/12; H04W84/04
技術(shù)領(lǐng)域
backhaul,node,link,dgnb,slot,in,ue,access,rn,iab
地域： Seoul

摘要

The present disclosure provides a method for data transmission or reception performed by a first node in a wireless communication system, the method including: performing a first data transmission or reception to or from a UE on an access link on the basis of a first timing case in an access time duration; and performing a second data transmission or reception to or from a second node or a donor base station on a backhaul link on the basis of a second timing case in a backhaul time duration, wherein downlink transmission timings over the donor base station, the first node, the second node and the UE are aligned in the first timing case, and downlink and uplink transmission timings or downlink and uplink reception timings are aligned in the first node in the second timing case.

說(shuō)明書(shū)

As more communication devices demand larger communication capacities, there is a need for improved mobile broadband communication as compared to the existing radio access technologies (RAT). Massive machine type Communications (MTC), which connects multiple devices and objects to provide various services anytime and anywhere, is also one of the major issues to consider in next-generation communication. In addition, communication system design considering services/terminals that are sensitive to reliability and latency has been discussed. The introduction of next-generation wireless access technologies considering such enhanced mobile broadband communication, massive MTC, ultra-reliable and low latency communication (URLLC), and the like, has been discussed, and the corresponding technology is referred to as new RAT or NR for the convenience sake in the present disclosure.

FIG. 7 illustrates a system structure of a new generation radio access network (NG-RAN) to which NR is applied.

Referring to FIG. 7, the NG-RAN may include a gNB and/or an eNB providing a user plane and a control plane protocol termination to a terminal. FIG. 7 illustrates a case of including only the gNB. The gNB and eNB are connected to each other by an Xn interface. The gNB and eNB are connected to a 5G Core Network (5GC) through an NG interface. More specifically, the gNB and eNB are connected to the access and mobility management function (AMF) through an NG-C interface and connected to a user plane function (UPF) through an NG-U interface.

FIG. 8 illustrates functional partitioning between NG-RAN and 5GC.

權(quán)利要求

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