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Method and apparatus for transmission/reception of signals between wireless devices

專利號
US11510217B2
公開日期
2022-11-22
申請人
Innovative Technology Lab Co., Ltd.（KR Seoul）
發(fā)明人
Dong Hyun Park
IPC分類
H04W72/10; H04W8/00; H04W72/04; H04W76/14
技術領域
d2d,discovery,ue,resource,signal,txue,may,subframe,in,sa
地域： Seoul

摘要

A method and apparatus for supporting a device-to-device (D2D) communication between user equipments (UEs) are provided. The method of a device-to-device (D2D) communication between user equipments (UEs), the method includes: receiving, at a transmission (Tx) UE, resource assignment information transmitted from an evolved NodeB (eNB), the resource assignment information being associated with a D2D discovery signal to be transmitted in a discovery period; determining, at the Tx UE, that a D2D discovery signal associated with a first discovery type and a D2D discovery signal associated with a second discovery type are to be transmitted in a first subframe included in the discovery period; and in the first subframe, transmitting the D2D discovery signal associated with the second discovery type and dropping the D2D discovery signal associated with the first discovery type.

說明書

FIG. 9 is a diagram illustrating a process in which an RRC connected mode UE executes transmission/reception of type 1 D2D discovery, in a wireless communication system according to an exemplary embodiment.

When the UE has an RRC connection, type 1 discovery may be set through a dedicated RRC signaling, and a BS may indicate corresponding resource pool information.

Referring to FIG. 9, RRC connected mode TxUE and RxUE request type 1 discovery transmission grant from the BS, in operations 900 and 902. The BS determines a discovery grant request received from each UE, and grants the request based on context of a corresponding UE, in operations 905 and 907.

In this instance, the BS transmits configuration information associated with type 1, information associated with a Tx/Rx resource pool, and the like through a dedicated signaling, to each of the RRC connected mode TxUE and RxUE, in operations 910 and 912. The TxUE and the RxUE are in an RRC connected mode, and the BS may transmit, to each UE, an RRC signaling that includes configuration information for D2D discovery in RRC configuration information.

權(quán)利要求

1
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