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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(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
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(shuō)明書(shū)

FIG. 15 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, slot formats can be determined such that the weights of D, U and X are identical between the slot format of node 1 and the slot format of node 2 when node 1 schedules node 2. That is, the durations of D, U and X can be identical for the slot format of node 1 and the slot format of node 2. An example thereof is illustrated in FIG. 15.

Here, if the duration of the X period is shorter than the duration of the U period, slot formats cannot be determined such that the weights of D, U and X are identical between the slot format of node 1 and the slot format of node 2. Accordingly, to apply this method, a restriction that the duration of the X period needs to be longer than the duration of D and U periods is necessary.

C-4. Determination Method A-3

FIG. 16 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, considering that a downlink period starts at a slot starting point all the time and an uplink period ends at a slot end point when the slot format of current NR is configured in the order of D, X and U, slot formats can be determined such that a downlink period starts at a slot starting point all the time and an uplink period ends at a slot end point. That is, slot formats can be determined such that a timing at which U switches to D is positioned at a slot boundary.

權(quán)利要求

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