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Method and apparatus for channel usage in unlicensed spectrum considering beamformed transmission in a wireless communication system

專利號
US10841914B2
公開日期
2020-11-17
申請人
ASUSTek Computer Inc.（TW Taipei）
發(fā)明人
Jia-Hong Liou; Ming-Che Li
IPC分類
H04W72/04; H04W16/14; H04B7/02; H04L5/00
技術(shù)領(lǐng)域
ue,tti,beam,ul,subframe,scheduling,channel,in,trp,or
地域： Taipei

摘要

A method and apparatus are disclosed from the perspective of a UE (User Equipment). In one embodiment, the method includes the UE monitors or receives a control signal within a channel occupancy, wherein the control signal indicates a number of consecutive TTIs (Transmission Time Intervals) and TTI format(s) related information of the TTIs. The method further includes the UE derives transmission direction of symbols in the TTIs or functionality of symbols in the TTIs from the information. The method also includes the UE considers the last TTI of the indicated TTIs as an ending TTI of the channel occupancy. In addition, the method includes the UE performs DL (Downlink) data reception or UL (Uplink) data transmission until the ending TTI.

說明書

FIG. 21 is an illustration according to one exemplary embodiment.

FIG. 22 is an illustration according to one exemplary embodiment.

FIG. 23 is a flow chart according to one exemplary embodiment.

FIG. 24 is a flow chart according to one exemplary embodiment.

FIG. 25 is a flow chart according to one exemplary embodiment.

DETAILED DESCRIPTION

The exemplary wireless communication systems and devices described below employ a wireless communication system, supporting a broadcast service. Wireless communication systems are widely deployed to provide various types of communication such as voice, data, and so on. These systems may be based on code division multiple access (CDMA), time division multiple access (TDMA), orthogonal frequency division multiple access (OFDMA), 3GPP LTE (Long Term Evolution) wireless access, 3GPP LTE-A or LTE-Advanced (Long Term Evolution Advanced), 3GPP2 UMB (Ultra Mobile Broadband), WiMax, or some other modulation techniques.

權(quán)利要求

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