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

專利號
US11350410B2
公開日期
2022-05-31
申請人
LG Electronics Inc.（KR Seoul）
發(fā)明人
Hyangsun You; Yunjung Yi; Huayue Song
IPC分類
H04W72/04; H04W72/12; H04W84/04
技術(shù)領(lǐng)域
backhaul,node,link,dgnb,slot,in,access,ue,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.

說明書

The (donor/parent) TAB node(s) can transmit information about the determined slot format(s) to the (RN/child) TAB node(s) (S1230).

Then, the (RN/child) TAB node(s) perform operations based on the slot format(s) (S1240).

B-1. Centralized Method

A specific DgNB can determine a slot format of each link under the DgNB and notify each link of the slot format.

To support this, each RN can provide the following information to the DgNB.

    • Information about a donor node of each RN
    • Information about a relay node for which each RN performs relay
    • Information about a neighboring node that interferes when each RN performs UL operation

The corresponding information may be for each link because interferers may be different for links. For example, an interferer for an access link, an interferer for a donor-RN link and an interferer for an RN-relay node link may be different.

A measurement result through RSRP with respect to each neighboring node can be signaled.

    • Resource configuration for measurement between neighboring cells (e.g., CSI-RS configuration)
    • SR resource information or periodic uplink resource information (period & offset) configured for UE
    • Periodic downlink resources (e.g., SSB period & offset) configured for UE

權(quán)利要求

1
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