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Wireless communication method and device for blind detection of downlink signals

專利號
US11627611B2
公開日期
2023-04-11
申請人
GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.(CN Dongguan)
發(fā)明人
Hai Tang
IPC分類
H04W74/08; H04W76/27; H04L5/00; H04L27/26; H04W80/02
技術領域
preamble,signal,symbol,downlink,subcarrier,point,cp,in,time,spacing
地域: Guangdong

摘要

A wireless communication method and device are disclosed. The method includes performing channel detection for a carrier in an unlicensed frequency band; and sending a preamble signal on the carrier from a first time-point, in response to the channel detection succeeding, the preamble signal being configured for indicating that the carrier has an ability to transmit a downlink signal.

說明書

The technical solutions of embodiments of the present disclosure can be applied to various communication systems such as Global System of Mobile communication (GSM) system, Code Division Multiple Access (CDMA) system, Wideband Code Division Multiple Access (WCDMA) system, General Packet Radio Service (GPRS), Long Term Evolution (LTE) system, LTE Frequency Division Duplex (FDD) system, LTE Time Division Duplex (TDD), Advanced long term evolution (LTE-A) system, New Radio (NR) system, evolution systems of the NR system, LTE-based access to unlicensed spectrum (LTE-U) system, NR-based access to unlicensed spectrum (NR-U) system, Universal Mobile Telecommunication System (UMTS), Worldwide Interoperability for Microwave Access (WiMAX) communication system, Wireless Local Area Networks (WLAN), Wireless Fidelity (Wi-Fi), the next-generation communication system or other communication systems.

The applied spectrum is not limited in embodiments of the present disclosure. For example, embodiments of present disclosure can be applied to the licensed spectrum, or may be applied to the unlicensed spectrum.

權利要求

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