公开(公告)号：US20150327204A1

公开(公告)日：2015-11-12

申请号：US14707550

申请日：2015-05-08

Applicant: Samsung Electronics Co., Ltd.

Inventor： Seung-Hoon PARK ,  Hyun-Seok RYU ,  Peng XUE ,  Hyun-Kyu YU ,  Cheol JEONG ,  Sang-Won CHOI

IPC: H04W56/00 ,  H04W24/10

CPC classification number: H04W24/10 ,  H04W56/0015 ,  H04W56/0025 ,  H04W76/14 ,  H04W88/04

Abstract: A synchronization method and an apparatus for Device-to-Device (D2D) communication in a User Equipment (UE) are provided. The method includes comparing a reception power of a signal received from an evolved Node B (eNB) with a first reference power, if the reception power is less than the first reference power, generating and transmitting a synchronization signal for D2D communication by operating as a synchronization reference UE, comparing the reception power of a signal received from the eNB with a second reference power, and if the reception power is greater than or equal to the first reference power and less than the second reference power, relaying a synchronization signal received from the eNB by operating as a synchronization relaying UE.

Abstract translation: 提供了用户设备（UE）中的设备到设备（D2D）通信的同步方法和装置。 该方法包括：如果接收功率小于第一参考功率，则将从演进节点B（eNB）接收的信号的接收功率与第一参考功率进行比较，通过以下操作生成并发送用于D2D通信的同步信号： 同步参考UE，将从eNB接收的信号的接收功率与第二参考功率进行比较，以及如果接收功率大于或等于第一参考功率并小于第二参考功率，则中继从 该eNB通过作为同步中继UE工作。

公开(公告)号：US20150296365A1

公开(公告)日：2015-10-15

申请号：US14681546

申请日：2015-04-08

Applicant: Samsung Electronics Co., Ltd. ,  Research & Business Foundation SUNGKYUNKWAN UNIVERSITY

Inventor： Hyung-Jin CHOI ,  Hyun-Seok RYU ,  Seung-Hoon PARK ,  Kyung-Hoon LEE

IPC: H04W8/00 ,  H04W72/04 ,  H04W76/02 ,  H04W56/00

CPC classification number: H04W56/00 ,  H04W48/16 ,  H04W76/14

Abstract: A method for aligning discovery channel intervals of a serving cell and a neighbor cell in a cellular communication system is provided. The method includes selecting at least one user equipment (UE), by a serving evolved node b (eNB) managing the serving cell, wherein the UE is located in the serving cell and operates in a radio resource control (RRC) connected mode, transmitting, to the at least one UE, a request message requesting information related to a discovery channel of the neighbor cell, receiving, from the at least one UE, at least one of an identifier (ID) of the neighbor cell, a temporally adjusted value obtained by shifting the discovery channel with respect to a frame reference time of the neighbor cell, and a network time difference (NTD) between the serving cell and the neighbor cell, and aligning the discovery channel interval of the serving cell to the discovery channel interval of the neighbor cell based on the at least one of the ID of the neighbor cell, the temporally adjusted value, and the NTD.

Abstract translation: 提供了一种用于在蜂窝通信系统中对准服务小区和相邻小区的发现信道间隔的方法。 该方法包括：通过管理服务小区的服务演进节点b（eNB）来选择至少一个用户设备（UE），其中，所述UE位于所述服务小区中，并以无线资源控制（RRC）连接模式进行操作，发送 向所述至少一个UE发送请求消息，所述请求消息请求与所述相邻小区的发现信道相关的信息，从所述至少一个UE接收所述相邻小区的标识符（ID）中的至少一个，临时调整值 通过相对于相邻小区的帧参考时间移动发现信道而获得的，以及服务小区和相邻小区之间的网络时间差（NTD），并且将服务小区的发现信道间隔与发现信道间隔对准 基于相邻小区的ID，时间调整值和NTD中的至少一个的邻居小区。

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：US20140324974A1

公开(公告)日：2014-10-30

申请号：US14264396

申请日：2014-04-29

Applicant: Samsung Electronics Co., Ltd.

Inventor： Seung-Hoon PARK ,  Kyung-Kyu KIM ,  Dae-Gyun KIM ,  Chi-Woo LIM

IPC: H04L29/08 ,  H04W28/16

CPC classification number: H04L67/1074 ,  H04L69/24 ,  H04W72/02

Abstract: A distributed scheduling method in a Device-to-Device (D2D) communication system is provided. The method includes transmitting, to a peer device, first resource information including a link identifier and start position information of resources to be allocated, receiving, from the peer device, second resource information in which at least one of the resource start position information and a resource allocation amount is adjusted based on the first resource information, and determining the resource start position based on the first resource information and second resource information.

Abstract translation: 提供了一种在设备到设备（D2D）通信系统中的分布式调度方法。 该方法包括向对等设备发送包括链路标识符和待分配资源的开始位置信息的第一资源信息，从对等设备接收第二资源信息，其中资源开始位置信息和 基于第一资源信息调整资源分配量，并且基于第一资源信息和第二资源信息来确定资源开始位置。

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：US20130208027A1

公开(公告)日：2013-08-15

申请号：US13762933

申请日：2013-02-08

Applicant: Samsung Electronics Co. Ltd.

Inventor： Tae-Han BAE ,  Seung-Hoon PARK ,  Jae-Seung SON ,  Eun-Tae WON

IPC: G09G3/34

CPC classification number: G09G3/3406 ,  G09G3/3426

Abstract: A method and apparatus for providing additional information to a visible light communication terminal through visible light communication by an information display device having a back light unit is provided. The method includes, when the visible light communication terminal is located in one area corresponding to at least one additional information providing area that is disposed within a screen of the information display device, receiving time slot information allocated to the one area through the visible light communication, when the visible light communication terminal is located in remaining areas of the at least one area corresponding to the at least one object, except for the one area, receiving additional information on all objects from the remaining areas through the visible light communication, and acquiring additional information on the object corresponding to the one area from among the additional information on all the objects by using the allocated time slot information.

Abstract translation: 提供了一种通过具有背光单元的信息显示装置通过可见光通信向可见光通信终端提供附加信息的方法和装置。 该方法包括：当可见光通信终端位于与设置在信息显示设备的屏幕内的至少一个附加信息提供区域相对应的一个区域中时，通过可见光通信接收分配给该区域的时隙信息 当可见光通信终端位于与该至少一个对象相对应的至少一个区域的剩余区域中时，除了该区域之外，通过可见光通信从其余区域接收关于所有对象的附加信息，并且获取 通过使用分配的时隙信息，从关于所有对象的附加信息中对应于一个区域的对象的附加信息。

公开(公告)号：US20130196638A1

公开(公告)日：2013-08-01

申请号：US13752822

申请日：2013-01-29

Applicant: Samsung Electronics Co. Ltd.

Inventor： Ho-Dong KIM ,  Hyuk-Choon KWON ,  Soo-Yeon JUNG ,  Hae-Young JUN ,  Seung-Hoon PARK

IPC: H04W4/02

CPC classification number: H04W4/02

Abstract: An apparatus and a method for providing a call taxi service based on D2D communication are provided. When a user terminal executes a call taxi service, a call taxi service request is transferred to a terminal from at least one taxi located in a neighboring area of the user terminal, and then the user terminal directly selects one taxi or one taxi is selected through a competition between taxis. As a result, a process of providing the call to the selected taxi. Accordingly, the user has an advantage of using a quick call taxi service without going through a separate call center.

Abstract translation: 提供了一种基于D2D通信提供呼叫出租车服务的装置和方法。 当用户终端执行呼叫出租车服务时，从位于用户终端的相邻区域的至少一个出租车转移到终端，然后用户终端直接选择一个出租车或一个出租车，通过 出租车之间的竞争。 结果，向所选的出租车提供呼叫的过程。 因此，用户具有使用快速呼叫出租车服务而不经过单独的呼叫中心的优点。

公开(公告)号：US20130159537A1

公开(公告)日：2013-06-20

申请号：US13717090

申请日：2012-12-17

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyuk-Choon KWON ,  Soo-Yeon JUNG ,  Ho-Dong KIM ,  Hae-Young JUN ,  Seung-Hoon PARK

IPC: H04L29/06

CPC classification number: H04L65/1066 ,  H04L67/141 ,  H04L67/16

Abstract: A method capable of searching for a surrounding device based on a desired service is provided. The method includes transmitting a service search request including information regarding a target service to nearby devices; receiving a service search response from the nearby device supporting the target service; analyzing service information of the nearby device supporting the target service, which is included in the service search response; selecting the nearby device supporting the target service based on a result of the analyzed service information; and performing the target service by establishing a session with the selected device.

Abstract translation: 提供了一种能够基于期望的服务搜索周围设备的方法。 该方法包括：向附近的设备发送包括关于目标服务的信息的服务搜索请求; 从附近的支持目标服务的设备接收服务搜索响应; 分析包含在服务搜索响应中的支持目标服务的附近设备的服务信息; 基于分析的服务信息的结果选择支持目标服务的附近设备; 以及通过与所选择的设备建立会话来执行目标服务。

公开(公告)号：US20130124937A1

公开(公告)日：2013-05-16

申请号：US13677680

申请日：2012-11-15

Applicant: Samsung Electronics Co. Ltd.

Inventor： Kyung-Kyu KIM ,  Dae-Gyun KIM ,  Seung-Hoon PARK ,  Chi-Woo LIM

IPC: H04L1/08

CPC classification number: H04L1/08 ,  H04L1/1867

Abstract: A method for transmitting data in a second device that performs a Device-to-Device (D2D) service is provided. The method includes determining cooperative communication, if a value indicating a channel condition between a first device and a third device is less than or equal to a predetermined threshold, overhearing data transmitted from the first device to the third device and overhearing a response signal transmitted from the third device to the first device, to identify a transmission-failed data block of the first device, and if there are data transmission resources left at a predetermined scheduled data transmission time, transmitting the transmission-failed data block of the first device to the third device by piggybacking the transmission-failed data block on transmission data of the second device.

Abstract translation: 提供了在执行设备到设备（D2D）服务的第二设备中发送数据的方法。 所述方法包括：确定协作通信，如果指示第一设备和第三设备之间的信道状况的值小于或等于预定阈值，则监听从第一设备发送到第三设备的数据，并且监听从 所述第三设备到所述第一设备，以识别所述第一设备的传输失败的数据块，并且如果在预定的调度数据传输时间处遗留有数据传输资源，则将所述第一设备的传输失败的数据块传输到 第三设备通过在第二设备的传输数据上搭载传输失败的数据块。