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公开(公告)号：US10856328B2
公开(公告)日：2020-12-01
申请号：US15771490
申请日：2017-02-01
Inventor： Jung Sun Um , Hoi Yoon Jung , Seung Keun Park , Sung Jin Yoo
IPC: H04W74/08 , H04L5/00 , H04L27/00 , H04L27/26 , H04W16/14 , H04W48/10 , H04W72/10 , H04W72/12 , H04W84/12 , H04W72/04
Abstract: Disclosed is a method for communicating in a network supporting licensed and unlicensed bands. A terminal operation method comprises the steps of: detecting a control channel of a subframe #n transmitted from a base station; obtaining, from the control channel, a DCI for an uplink grant; executing channel sensing on the basis of channel connection-related information included in the DCI; and transmitting, to the base station, a subframe #(n+1) if the result of executing channel sensing is an idle state. Thus, the performance of the communication network may be improved.
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22.发明授权公开(公告)号：US10727979B2
公开(公告)日：2020-07-28
申请号：US15234121
申请日：2016-08-11
Inventor： Jung Sun Um , Hoi Yoon Jung , Sung Jin Yoo , Seung Keun Park
Abstract: Disclosed are operation methods of a communication node in a network supporting licensed and unlicensed bands. An operation method of a user equipment (UE) may comprises receiving, from a base station, a physical downlink control channel (PDCCH) including downlink control information (DCI) in a subframe n−1 of an unlicensed band; decoding the DCI using a common radio network temporary identifier (RNTI); and identifying the number of symbols of the subframe n−1 or a subframe n based on the decoded DCI. Therefore, a performance of the network can be enhanced.
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公开(公告)号：US10701752B2
公开(公告)日：2020-06-30
申请号：US15562005
申请日：2016-01-28
Inventor： Jung Sun Um , Kyu Min Kang , Seung Keun Park , Jae Cheol Park , Sung Jin Yoo , Dong Hun Lee , Hoi Yoon Jung , Su Na Choi , Sung Hyun Hwang
Abstract: The present invention relates to a device and method for allocating a coexistence resource in an unlicensed band. The device according to the present invention comprises: a frame configuration unit for configuring a subframe in which data and a reference signal for a channel in an unlicensed band are allocated, and allocating a part of the symbols of the subframe as a coexistence resource; a signal detection unit for detecting a signal of another LTE system or Wi-Fi system during a transmission idle period where the coexistence resource is allocated; and a transmission processing unit which, when the signal of another system is detected during the transmission idle period, does not occupy a resource for the next subframe, and when the occupation of the coexistence resource by the another system has ended, occupies the resource for the next subframe.
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公开(公告)号：US09306724B2
公开(公告)日：2016-04-05
申请号：US13919543
申请日：2013-06-17
Inventor： Hyun Duk Kang , Hoi Yoon Jung , Gwang Zeen Ko , Myung Sun Song , Jae Ick Choi
CPC classification number: H04L5/06 , H04L5/0007 , H04L5/0073 , H04W16/10 , H04W16/14 , H04W28/16 , H04W72/082 , H04W74/002 , H04W84/12
Abstract: The present invention relates to an apparatus and a method for avoiding signal interference between access points (APs) in a non-license band, and more particularly, an interference avoidance apparatus and method between access points (APs) that avoid interference based on whether an overlapping basic service set (OBSS) is present, whether an overlapping operation channel between adjacent APs is used, whether it is possible to select a non-overlapping operation channel between adjacent APs, and the like.
Abstract translation: 本发明涉及一种用于避免非许可频带中的接入点（AP）之间的信号干扰的装置和方法，更具体地，涉及一种避免干扰的接入点（AP）之间的干扰避免装置和方法，所述接入点 存在重叠的基本服务集（OBSS），是否使用相邻AP之间的重叠操作信道，是否可以在相邻AP之间选择不重叠的操作信道等。
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