公开(公告)号：US20140328267A1

公开(公告)日：2014-11-06

申请号：US14268694

申请日：2014-05-02

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyun-Seok RYU ,  Young-Bin CHANG ,  Chi-Woo LIM ,  Kyung-Kyu KIM ,  Dae-Gyun KIM ,  Seung-Hoon PARK ,  Sang-Kyu BAEK

IPC: H04W4/00 ,  H04W72/04

CPC classification number: H04W4/70 ,  H04B1/406 ,  H04W8/005 ,  H04W92/18

Abstract: A mobile terminal in a mobile communication system supporting device to device (D2D) communication, and a method for operating the mobile terminal are provided. The terminal includes a first radio frequency (RF) chain configured to transmit a mobile communication signal and a second RF chain configured to receive a mobile communication signal, for mobile communication with a base station, a switching unit including a plurality of switches configured to establish transmission and reception paths in the first and second RF chains, and a controller configured to control switching of the switching unit to establish transmission and reception paths of a D2D communication signal for D2D communication by combining a part of the first RF chain with a part of the second RF chain. The combination of the parts of the first and second RF chains is different according to a D2D communication frequency band.

Abstract translation: 提供支持设备到设备（D2D）通信的移动通信系统中的移动终端以及用于操作移动终端的方法。 终端包括被配置为发送移动通信信号的第一射频（RF）链和被配置为接收移动通信信号的第二RF链，用于与基站的移动通信，切换单元包括被配置为建立 第一和第二RF链中的发送和接收路径，以及控制器，被配置为控制切换单元的切换以建立用于D2D通信的D2D通信信号的发送和接收路径，将第一RF链的一部分与 第二个RF链。 根据D2D通信频带，第一和第二RF链的部分的组合是不同的。

公开(公告)号：US20140307657A1

公开(公告)日：2014-10-16

申请号：US14254323

申请日：2014-04-16

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sang-Kyu BAEK ,  Young-Bin CHANG ,  Kyung-Kyu KIM ,  Hyun-Seok RYU ,  Seung-Hoon PARK ,  Chi-Woo LIM

IPC: H04W72/02 ,  H04W76/02

CPC classification number: H04W72/02 ,  H04W72/0453 ,  H04W72/082 ,  H04W76/14

Abstract: A device and a method for performing Device to Device (D2D) communication in a wireless communication system are provided. The method includes transmitting information on a self-frequency band selected from all frequency bands for the D2D communication, to the second mobile station, receiving information on a counterpart-frequency band selected for the D2D communication, from the second mobile station, determining transmission and reception frequency bands to be used for the D2D communication, based on the information on the self-frequency band and the information on the counterpart-frequency band, transmitting data to the second mobile station in the determined transmission frequency band, and receiving data from the second mobile station in the determined reception frequency band.

Abstract translation: 提供了一种用于在无线通信系统中执行设备到设备（D2D）通信的设备和方法。 该方法包括从D2D通信的所有频带选择的自身频带上发送信息给第二移动站，从第二移动站接收对于D2D通信选择的对方频带上的信息，确定传输和 基于关于自身频带的信息和对方频带上的信息，D2D通信中使用的接收频带，在确定的发送频带中向第二移动台发送数据，并从 在所确定的接收频带中的第二移动台。

公开(公告)号：US20180249390A1

公开(公告)日：2018-08-30

申请号：US15754277

申请日：2016-08-22

Applicant: Samsung Electronics Co., Ltd

Inventor： Anil AGIWAL ,  June HWANG ,  Hyun-Jeong KANG ,  Young-Bin CHANG ,  Sang-Wook KWON ,  Kyung-Kyu KIM ,  Young-Joong MOK ,  Sang-Kyu BAEK

IPC: H04W36/08 ,  H04W24/10 ,  H04L12/801

Abstract: The present disclosure relates to a 5G or pre-5G communication system that is to support higher data transmission rates after 4G communication systems such as LTE. A method, by a MeNB, for switching a SeNB communicating with a UE in a wireless communication system, provided in an embodiment of the present disclosure, includes receiving, from the UE, a measurement report (MR) of the at least two SeNB neighboring with the UE, determining whether predetermined switch criteria are satisfied based on the MR, and transmitting, to the UE and a first SeNB or a second SeNB, a switch message indicating switching of an SeNB cooperating with the MeNB for communication with the UE from the first SeNB to the second SeNB, based on whether the switch criteria are satisfied.

公开(公告)号：US20170215117A1

公开(公告)日：2017-07-27

申请号：US15324992

申请日：2016-04-07

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sang-Wook KWON ,  Sang-Kyu BAEK ,  Young-Bin CHANG ,  Hyun-Jeong KANG

IPC: H04W36/00 ,  H04L5/00 ,  H04W36/32 ,  H04B7/06

Abstract: An apparatus and a method for a handover in a communication system using beamforming are provided. The method includes the operations of receiving handover information from a serving base station, measuring, on the basis of beam scanning, a first reference signal transmitted from the serving base station and a second reference signal transmitted from a target base station, if the result of the measurement satisfies handover conditions, transmitting the result of the measurement to the serving base station, and receiving, on the basis of the handover information, a handover permission message from the target base station.

公开(公告)号：US20170195027A1

公开(公告)日：2017-07-06

申请号：US15466284

申请日：2017-03-22

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sang-Kyu BAEK ,  Young-Bin CHANG ,  Sang-Wook KWON ,  Young-Joong MOK ,  June HWANG

IPC: H04B7/06 ,  H04W24/08 ,  H04W24/10 ,  H04L5/00 ,  H04W36/00

CPC classification number: H04B7/0617 ,  H04B7/0602 ,  H04B7/0608 ,  H04B14/006 ,  H04L5/0048 ,  H04W16/28 ,  H04W24/08 ,  H04W24/10 ,  H04W36/0083 ,  H04W36/00837 ,  H04W36/0085 ,  H04W36/305

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 long term evolution (LTE). A communication method and apparatus using beamforming are provided. The method includes acquiring transmission beam specific, measurement information of a base station (BS) and measuring a reference signal (RS) transmitted through transmission beams of the BS according to the transmission beam specific, measurement information. The measurement information on each transmission beam is determined according to at least one of an elevation angle of the corresponding transmission beam, an azimuth of the corresponding transmission beam, a handover urgency, information on a handover failure, and information on a radio link failure (RLF). A mobile station (MS) may perform a measurement report or a handover process according to a result of the measurement.

公开(公告)号：US20160262085A1

公开(公告)日：2016-09-08

申请号：US15032234

申请日：2014-10-31

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Seung-Hoon PARK ,  Hyun-Seok RYU ,  Anil AGIWAL ,  Young-Bin CHANG ,  Kyung-Kyu KIM ,  Sang-Kyu BAEK ,  Chi-Woo LIM

IPC: H04W40/24 ,  H04H20/38 ,  H04L29/08 ,  H04W72/12

CPC classification number: H04W40/246 ,  H04H20/38 ,  H04L67/303 ,  H04W8/005 ,  H04W48/16 ,  H04W72/1215 ,  H04W76/14 ,  H04W76/40 ,  H04W88/06

Abstract: The present invention relates to a two-step search procedure for D2D communication. A method for D2D communication includes: obtaining a discovery code and a multicast identifier to be used for transmitting additional information on an application program through a D2D multicast subframe, based on an identifier of an application program of a device; and broadcasting the discovery code and the multicast identifier in a discovery subframe.

Abstract translation: 本发明涉及一种用于D2D通信的两步搜索程序。 一种用于D2D通信的方法包括：基于设备的应用程序的标识，获得用于通过D2D多播子帧在应用程序上发送附加信息的发现代码和多播标识符; 并在发现子帧中广播发现码和多播标识符。

公开(公告)号：US20140376458A1

公开(公告)日：2014-12-25

申请号：US14304280

申请日：2014-06-13

Applicant: Samsung Electronics Co, Ltd.

Inventor： Hyun-Seok RYU ,  Seung-Hoon PARK ,  Chi-Woo LIM ,  Young-Bin CHANG ,  Anil AGIWAL ,  Kyung-Kyu KIM ,  Dae-Gyun KIM ,  Young-Joong MOK ,  Sang-Kyu BAEK

IPC: H04W72/08

CPC classification number: H04W72/085 ,  H04W52/146 ,  H04W52/241 ,  H04W52/246 ,  H04W52/383 ,  H04W72/042 ,  H04W76/14

Abstract: A method for allocating resources for Device-to-Device (D2D) communication in a transmitting terminal is provided. The method includes receiving broadcast resource allocation information for the D2D communication from a Base Station (BS), and measuring a channel quality of a downlink signal received from the BS and, if the measured channel quality is smaller than a predetermined threshold, conducting the D2D communication using the resource allocation information.

Abstract translation: 提供了一种用于在发送终端中分配用于设备到设备（D2D）通信的资源的方法。 该方法包括从基站（BS）接收用于D2D通信的广播资源分配信息，以及测量从BS接收的下行链路信号的信道质量，如果所测量的信道质量小于预定阈值，则进行D2D 使用资源分配信息进行通信。