公开(公告)号：US09756539B2

公开(公告)日：2017-09-05

申请号：US14297017

申请日：2014-06-05

Applicant: Samsung Electronics Co., Ltd.

Inventor： Ok-Seon Lee ,  Jung-Shin Park ,  Yeong-Moon Son ,  Jung-Soo Jung

IPC: H04W36/00 ,  H04W36/18 ,  H04W36/04 ,  H04W48/12

CPC classification number: H04W36/18 ,  H04W36/04 ,  H04W48/12

Abstract: A method for a serving base station to determine a handover time in a communication system is provided. The method includes determining whether to set up dual connectivity (DC) with respect to a terminal with a target base station that transmits the beacon if it is recognized that the terminal receives a beacon including a plurality of pieces of service coverage area information, and determining whether to execute a handover to the target base station based on a measurement report of the terminal, which is received after the DC is set up if the DC is set up.

公开(公告)号：US09603098B2

公开(公告)日：2017-03-21

申请号：US14268783

申请日：2014-05-02

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sun-Heui Ryoo ,  Jung-Soo Jung ,  Hyun-Jeong Kang ,  Jong-Hyung Kwun ,  Sung-Jin Lee

IPC: H04B7/00 ,  H04W52/14 ,  H04W52/36 ,  H04W76/04 ,  H04W52/34

CPC classification number: H04W52/146 ,  H04W52/34 ,  H04W52/365 ,  H04W76/15 ,  H04W76/27

Abstract: A method and an apparatus for controlling uplink power in a wireless communication system are provided. The method for controlling uplink power of a User Equipment (UE) forming a transmission link with a plurality of BSs (BSs), a power headroom report trigger event by at least one of the plurality of BSs is detected. Power headroom information of the UE is reported to at least one of the plurality of BSs.

公开(公告)号：US09426766B2

公开(公告)日：2016-08-23

申请号：US14322884

申请日：2014-07-02

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jung-Soo Jung ,  Hyun-Jeong Kang ,  Suk-Won Kim

IPC: H04W56/00

CPC classification number: H04W56/0055 ,  H04W56/0045

Abstract: A method of establishing synchronization with a base station by a mobile station in a communication system using beamforming includes: receiving a downlink signal transmitted through at least one transmission beam by using at least one reception beam; determining at least one of a propagation delay and a signal strength of the received downlink signal for each downlink transmission/reception beam pair through which the downlink signal is transmitted/received, wherein each downlink transmission/reception beam pair includes a transmission beam through which the downlink signal is transmitted from the base station and a reception beam through which the downlink signal is received by the mobile station; and establishing a downlink frame boundary of the mobile station by using the determined at least one of the propagation delay and the signal strength for each downlink transmission/reception beam pair.

Abstract translation: 一种在使用波束成形的通信系统中由移动台与基站建立同步的方法包括：通过使用至少一个接收波束来接收通过至少一个发射波束发送的下行链路信号; 确定发送/接收下行链路信号的每个下行链路发送/接收波束对的接收下行链路信号的传播延迟和信号强度中的至少一个，其中每个下行链路发送/接收波束对包括发送波束， 下行链路信号从基站发送，接收波束通过移动台接收下行链路信号; 以及通过使用所确定的每个下行链路发送/接收波束对的传播延迟和信号强度中的至少一个来建立移动台的下行链路帧边界。

公开(公告)号：US09215650B2

公开(公告)日：2015-12-15

申请号：US13655813

申请日：2012-10-19

Applicant: Samsung Electronics Co. Ltd.

Inventor： Jung-Soo Jung

IPC: H04B1/00 ,  H04B7/00 ,  H04B7/02 ,  H04B17/00 ,  H04W48/20 ,  H04B7/04 ,  H04B7/06 ,  H04W72/02 ,  H04W72/06 ,  H04W16/28 ,  H04W52/24

CPC classification number: H04W48/20 ,  H04B7/0456 ,  H04B7/0617 ,  H04W16/28 ,  H04W52/146 ,  H04W52/245 ,  H04W52/50 ,  H04W72/02 ,  H04W72/06

Abstract: An UpLink (UL) control method and apparatus for in a wireless communication system supporting beamforming are provided. A method of a Mobile Station (MS) for UL control in the wireless communication system supporting the beamforming includes receiving a plurality of DownLink (DL) reference signals from a plurality of Base Station (BS) transmission beams using a plurality of MS reception beams having different directivity, measuring a path loss based on a reception signal strength of each of the plurality of DL reference signals received through different transmission/reception beams, selecting an MS transmission beam for uplink based on the path loss value measured for each of the plurality of DL reference signals, and transmitting a UL signal to a BS using the selected MS transmission beam.

Abstract translation: 提供了一种支持波束形成的无线通信系统中的UpLink（UL）控制方法和装置。 支持波束成形的无线通信系统中的用于UL控制的移动站（MS）的方法包括使用多个MS接收波束从多个基站（BS）传输波束接收多个下行链路（DL）参考信号，所述多个MS接收波束具有 基于通过不同的发送/接收波束接收的多个DL参考信号中的每个参考信号的接收信号强度来测量路径损耗，基于对于多个发送/接收波束中的每一个测量的路径损耗值，选择用于上行链路的MS发送波束 DL参考信号，以及使用所选择的MS传输波束向BS发送UL信号。

公开(公告)号：US20140307615A1

公开(公告)日：2014-10-16

申请号：US14325276

申请日：2014-07-07

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jung-Soo Jung ,  Beom-Sik Bae ,  Dae-Gyun Kim ,  Yu-Chul Kim

IPC: H04W4/06

CPC classification number: H04W4/06 ,  H04Q11/0478 ,  H04W28/06

Abstract: An apparatus and method is provided for generating one packet with transmission data and transmitting the packet from an access network transceiver system (ANTS) to a plurality of access terminals (ATs) in a mobile communication system including the ATs and the ANTS which are capable of performing packet data communication with ATs located in coverage thereof. The method includes the steps of generating a medium access control (MAC) header including information on a receiving AT's address, a length and format for transmission data, generating a MAC payload, by consecutively connecting data units to be transmitted to the receiving AT, and generating a MAC trailer. The ANTS pads ‘0’ bits to the MAC header if a predetermined MAC size is greater than a sum of lengths of the MAC header, the MAC payload and the MAC trailer.

Abstract translation: 提供了一种用于生成具有传输数据的一个分组并且将分组从接入网络收发器系统（ANTS）发送到包括AT和ANTS的移动通信系统中的多个接入终端（AT）的装置和方法，所述移动通信系统能够 与位于其覆盖范围内的AT进行分组数据通信。 该方法包括以下步骤：通过连续地连接要发送到接收AT的数据单元，生成包括关于接收AT地址的信息，传输数据的长度和格式，生成MAC有效载荷的介质访问控制（MAC）报头，以及 生成MAC预告片。 如果预定的MAC大小大于MAC头，MAC有效载荷和MAC预告的长度之和，那么ANTS将'0'比特填充到MAC头。

公开(公告)号：US20140120874A1

公开(公告)日：2014-05-01

申请号：US14063949

申请日：2013-10-25

Applicant: Samsung Electronics Co., Ltd

Inventor： Hyun-Jeong Kang ,  Jung-Shin Park ,  Dae-Gyun Kim ,  Jung-Soo Jung

IPC: H04W12/04

CPC classification number: H04W12/04 ,  H04W12/02 ,  H04W12/06 ,  H04W36/08

Abstract: A subscriber station performs a method for managing a security key. The method includes generating, for each of the base stations, an input value for generation of the security key for data transmission and reception with the each base station; transmitting, to the each base station, the input value for a corresponding base station; and generating the security key of the corresponding base station by using the input value of the each base station. A base station provides cooperative communication to the subscriber station.

Abstract translation: 订户台执行用于管理安全密钥的方法。 该方法包括为每个基站生成用于生成与每个基站的数据发送和接收的安全密钥的输入值; 向每个基站发送相应基站的输入值; 以及通过使用每个基站的输入值来生成相应基站的安全密钥。 基站向订户站提供协作通信。

公开(公告)号：US20130129091A1

公开(公告)日：2013-05-23

申请号：US13679760

申请日：2012-11-16

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyun-Jeong Kang ,  Young-Kyo Baek ,  Rakesh Taori ,  Jung-Soo Jung

IPC: H04W12/04

CPC classification number: H04W12/04 ,  H04L63/062 ,  H04W12/06 ,  H04W88/08

Abstract: Provided is a method for managing a security key for communication authentication with a Mobile Station (MS) in a communication system. The method includes acquiring a first authentication key by performing an authentication procedure for the communication authentication in a cloud cell having member Base Stations (BSs) that include a master BS and at least one slave BS for providing a service to the MS; and communicating with at least one member BS using a first encryption key that is generated using the first authentication key.

Abstract translation: 提供一种用于在通信系统中管理与移动站（MS）的通信认证的安全密钥的方法。 该方法包括通过在具有包括主BS和至少一个从BS的成员基站（BS）的云小区中执行用于通信认证的认证过程来获取第一认证密钥，用于向MS提供服务; 以及使用使用所述第一认证密钥生成的第一加密密钥与至少一个成员BS进行通信。

公开(公告)号：US20130083774A1

公开(公告)日：2013-04-04

申请号：US13631467

申请日：2012-09-28

Applicant: Samsung Electronics Co., Ltd

Inventor： Yeong-Moon Son ,  Hyun-Jeong Kang ,  Kyung-Kyu Kim ,  Rakesh Taori ,  Young-Bin Chang ,  Jung-Soo Jung

IPC: H04W36/06 ,  H04W72/04

CPC classification number: H04W36/08 ,  H04B7/0413 ,  H04B7/0617 ,  H04B7/0695 ,  H04W36/0055 ,  H04W36/0083

Abstract: Beam selection is provided. A method for handover in a mobile station includes sending a scan request message for scanning a downlink (DL) beam with respect to a serving base station (BS) and a neighboring BS, to the serving BS, and receiving a scan response message; determining the DL beam for the MS by performing scanning with the serving BS and the neighboring BS based on the scan response message; sending a scan report message comprising a result of the scanning to the serving BS; when receiving an air-HO request message from the serving BS, generating an air-HO response message comprising information of a neighboring BS to which the MS hands over based on the air-HO request message; performing beam selection with the neighboring BS of the handover based on the air-HO request message; and performing the handover.

公开(公告)号：US11218882B2

公开(公告)日：2022-01-04

申请号：US15565394

申请日：2016-04-08

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jung-Min Moon ,  Seung-Hoon Park ,  Sun-Heui Ryoo ,  Byoung-Hoon Jung ,  Jung-Soo Jung

IPC: H04W4/00 ,  H04W16/14 ,  H04W74/08 ,  H04W72/04 ,  H04L5/00

Abstract: The present invention relates to 5G or pre-5G communication system for supporting a higher data transmission rate after 4G communication system such as LTE. The present invention provides a method for transmitting data on the basis of a measurement of a channel of an unlicensed band in a mobile communication system, the method comprising the procedures of: selecting a random number for backoff counting; determining whether to decrement the random number by 1; decrementing the random number by 1 on the basis of the determining; determining whether the channel is idle by measuring the channel; completing the backoff counting if the random number becomes 0; and transmitting data by means of the channel if the backoff counting is completed.

公开(公告)号：US11109274B2

公开(公告)日：2021-08-31

申请号：US16876764

申请日：2020-05-18

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sun-Heui Ryoo ,  Jung-Soo Jung ,  Ra-Yeon Ahn ,  Ji-Won Hwang

IPC: H04L5/00 ,  H04W28/08 ,  H04J11/00 ,  H04W48/16 ,  H04W48/14 ,  H04L1/00 ,  H04L12/805 ,  H04W72/12 ,  H04W68/02

Abstract: The present invention relates to a method and apparatus for effectively transmitting or receiving paging in a wireless communication system supporting a plurality of services. A method for transmitting paging by a base station in a wireless communication system supporting a plurality of services according to an embodiment of the present disclosure comprises the steps of: transmitting information on a paging slice corresponding to a service in which paging is transmitted to a terminal; and transmitting the paging to the terminal through the paging slice.