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公开(公告)号：US09907049B2
公开(公告)日：2018-02-27
申请号：US14226679
申请日：2014-03-26
Inventor： Hyun-Jeong Kang , Min-Hoe Kim , Sung-Jin Park , Byung-Chang Chung , Dong-Ho Cho
CPC classification number: H04W68/005 , H04W52/0212 , Y02D70/00
Abstract: Provided is a method and apparatus for operating an idle mode in a wireless communication system. The method includes receiving a first message requesting entry to an idle mode from a Subscriber Station (SS) through at least one Base Station (BS), selecting in response to reception of the first message whether the MS is to enter an idle mode in which BSs belonging to a paging group broadcast a paging message for the MS or whether the MS is to enter a semi-idle mode in which BSs belonging to a semi-idle paging group, which is a subset of the paging group, broadcast the paging message for the SS, and transmitting Paging announce information instructing the BSs belonging to the semi-idle paging group to broadcast the paging message for the SS, if the semi-idle mode is selected.
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公开(公告)号：US20160205606A1
公开(公告)日：2016-07-14
申请号：US14912896
申请日：2014-08-08
Inventor： Sung-Jin Park , Min-Hoe Kim , Byung-Chang Chung , Dong-Ho Cho
CPC classification number: H04W36/30 , H04W24/10 , H04W36/08 , H04W48/20 , H04W52/0216 , H04W76/28 , Y02D70/00 , Y02D70/124 , Y02D70/1262 , Y02D70/146 , Y02D70/21 , Y02D70/24 , Y02D70/25
Abstract: Provided are two types of schemes capable of reducing power consumption of a User Equipment (UE). The first scheme is to select a set capable of minimizing power consumption of the UE when the UE enters a sleep mode. The second scheme is a handover scheme in which the UE having entered the sleep mode maintains the sleep mode corresponding to a cooperative Base Station (BS) set in a handover of the UE.
Abstract translation: 提供了能够降低用户设备（UE）的功耗的两种类型的方案。 第一种方案是当UE进入休眠模式时，选择能够最小化UE的功耗的集合。 第二方案是其中进入休眠模式的UE维持与在UE的切换中设置的协作基站（BS）相对应的睡眠模式的切换方案。
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公开(公告)号：US11006459B2
公开(公告)日：2021-05-11
申请号：US16676363
申请日：2019-11-06
Inventor： Sun-Heui Ryoo , Sung-Jin Park , Nam-I Kim , Dong-Ho Cho
Abstract: The present disclosure relates to a 5G or pre-5G communication system that will be provided to support higher data transfer rate following a 4G communication system such as LTE. The present disclosure relates to a method of performing random access of a terminal, said method comprising: an operation of determining the number of received beams of a base station connected to transmitted beams of the terminal; an operation of determining an area of wireless transfer resource on the basis of the number of the received beams; and an operation of transmitting random access message in the random access resource defined by the beam resource corresponding to the determined number and the wireless transfer resource corresponding to the determined area.
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公开(公告)号：US10945102B2
公开(公告)日：2021-03-09
申请号：US15368536
申请日：2016-12-02
Inventor： Sun-Heui Ryoo , Dongseok Roh , Minhoe Kim , Dong-Ho Cho , Nam-I Kim
Abstract: The present disclosure relates to a pre-5th-generation (5G) or 5G communication system to be provided for supporting higher data rates beyond 4th-generation (4G) communication system such as a long term evolution (LTE). A method for transmitting data in a base station (BS) in a communication system is provided. The method includes transmitting data to a plurality of stations (STAs) included in a group on a first sub-frame based on a schedule preset based on a time division duplexing (TDD) scheme; and receiving acknowledgement (ACK) signals from each of the plurality of STAs on a second sub-frame after a first interval from the first sub-frame.
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