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Method and apparatus for beam association between downlink/uplink

專利號(hào)
US10868608B2
公開日期
2020-12-15
申請(qǐng)人
Samsung Electronics Co., Ltd.（KR Suwon-si）
發(fā)明人
Jeehwan Noh; Taeyoung Kim; Hyunil Yoo
IPC分類
H04B7/06; H04W76/27; H04W72/04; H04B7/08; H04B7/0408
技術(shù)領(lǐng)域
ul,bpl,dl,bm,beam,indication,rs,station,terminal,srs
地域： Suwon-si

摘要

The disclosure relates to a communication scheme and system for the convergence of a 5G communication system for supporting a higher a data transfer rate after the 4G system with the IoT technology. The disclosure may be applied to intelligence services (e.g., a smart home, a smart building, a smart city, a smart car or connected car, healthcare, digital education, retail business, security and safety-related services) based on the 5G communication technology and IoT-related technology. The disclosure discloses a method and apparatus for a beam association between DL/UL.

說明書

Contents proposed by the disclosure basically include the following three embodiments.

    • First embodiment: a DL-based UL beam association: apply a BPL established through DL BM to UL transmission.
    • Second embodiment: a DL- and UL-based beam association: apply a BPL established through DL BM to UL transmission and apply a BPL established through UL BM to DL transmission.
    • Third embodiment: an UL-based DL beam association: apply a BPL established through UL BM to DL transmission.

First Embodiment: DL-Based UL Beam Association

The first embodiment is an embodiment in which a BPL established through DL BM is applied to UL transmission. A representative scenario of the first embodiment is an embodiment in which a DL channel state information-reference signal (CSI-RS) (used in DL BM) and/or a BPL established through a synchronization signal block (SSB) is used for an UL SRS/UL demodulation reference signal (DMRS)/PUCCH/PUSCH. For the first embodiment, a base station needs to perform the following two indications (i.e., indication regarding whether a DL-based UL beam association has been activated and UL BPL indication) for a terminal.

1. Indication Regarding Whether DL-Based UL Beam Association has Been Activated.

權(quán)利要求

1
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