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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
技術領域
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.

說明書

5. Option (e): The link direction becomes U.

The link direction of node 2 can be determined as one of the three options in a period in which the link direction of node 1 is U.

1. Option (1): The link direction becomes D.

2. Option (2): A period in which the link direction is D and a period in which the link direction is X can sequentially appear. Here, the weight of each period may be fixed or determined by a node (e.g., node 2) that determines slot formats.

3. Option (3): The link direction becomes X.

Here, the link direction configuration of node 2 in response to the link direction of node 1 can be selected from the aforementioned options such that condition 2 is satisfied (i.e., the link direction changes in the order of D, X and U over time).

To reduce the number of options, the link direction of node 2 which is available in response to the link direction of node 1 may be limited to only some of the aforementioned options.

C-2. Determination Method A-1

FIG. 14 schematically illustrates another example of the link direction of node 2 which is available in response to the link direction of node 1.

In addition to the above-described determination method A-0, in order to determine a slot format more simply, the link direction of node 2 is X if the link direction of node 1 is D, U if the link direction of node 1 is X and D if the link direction of node 1 is U when node 1 schedules node 2. An example of this method is illustrated in FIG. 14.

C-3. Determination Method A-2

權利要求

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