公开(公告)号：US09538437B2

公开(公告)日：2017-01-03

申请号：US13769093

申请日：2013-02-15

Applicant: Samsung Electronics Co., Ltd.

Inventor： Rakesh Taori ,  Yeong-Moon Son ,  Hyun-Jeong Kang ,  Ji-Yun Seol

IPC: H04W36/04 ,  H04W36/14 ,  H04W36/00 ,  H04W56/00 ,  H04W92/20 ,  H04W88/10 ,  H04W88/06 ,  H04W36/24 ,  H04W84/20

CPC classification number: H04W36/04 ,  H04W36/0055 ,  H04W36/0077 ,  H04W36/14 ,  H04W36/24 ,  H04W56/0005 ,  H04W84/20 ,  H04W88/06 ,  H04W88/10 ,  H04W92/20

Abstract: Provided is a method for providing a service by a Base Station (BS) in a wireless communication system. The method includes setting up a radio link to a Mobile Station (MS) to provide the service; receiving BS information from at least one BS that cooperates to provide the service; and selecting an alternative BS for replacing the BS from among the at least one BS based on the BS information.

Abstract translation: 提供了一种用于在无线通信系统中由基站（BS）提供服务的方法。 该方法包括建立到移动站（MS）的无线电链路以提供服务; 从至少一个BS接收BS信息，所述BS协作提供服务; 以及基于所述BS信息从所述至少一个BS中选择用于替换所述BS的备选BS。

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：US09363730B2

公开(公告)日：2016-06-07

申请号：US14053979

申请日：2013-10-15

Applicant: Samsung Electronics Co., Ltd. ,  Korea Advanced Institute of Science and Technology

Inventor： Hyun-Jeong Kang ,  Tae-Soo Kwon ,  Ju Yong Lee ,  Han Young Yim ,  Tae-Young Kim

IPC: H04W28/16 ,  H04W36/30 ,  H04W24/08 ,  H04W36/00

CPC classification number: H04W36/30 ,  H04W24/08 ,  H04W36/0055

Abstract: A method and apparatus for improving a mobile problem caused by a narrow handover region in a boundary region between virtual cells constructed by a plurality of small base stations are provided. A plurality of Virtual Cells (VCs) include a plurality of Distributed Base Stations (DBSs) whose VCs cooperatively communicate with each other. An Intermediate Distributed Base Station (I-DBS) is located in a region where adjacent at least two VCs among the plurality of VCs are superimposed, and belongs to a different VC according to a time division scheme.

Abstract translation: 提供了一种用于改善由多个小型基站构成的虚拟小区之间的边界区域中的窄切换区域引起的移动问题的方法和装置。 多个虚拟小区（VC）包括其VC彼此协作通信的多个分布式基站（DBS）。 中间分布式基站（I-DBS）位于与多个VC中的至少两个VC相邻的区域中，并且属于根据时分方案的不同的VC。

公开(公告)号：US09173051B2

公开(公告)日：2015-10-27

申请号：US14594666

申请日：2015-01-12

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyun-Jeong Kang ,  Rakesh Taori ,  Yeong-Moon Son

IPC: H04W4/00 ,  H04W76/04 ,  H04W48/02 ,  H04W60/00 ,  H04W74/00 ,  H04W76/02 ,  H04W92/18

CPC classification number: H04W74/04 ,  H04W4/70 ,  H04W48/02 ,  H04W60/00 ,  H04W74/002 ,  H04W76/10 ,  H04W76/28 ,  H04W92/18

Abstract: Methods and apparatuses are provided for operating a Machine-to-Machine (M2M) Subscriber Station (SS) for a time-controlled service in an M2M communication system. The M2M SS registers the time-controlled service. The M2M SS establishes a service flow with an M2M Base Station (BS), after registering the time-controlled service. Data is transferred, from the M2M SS, to the M2M BS, through the service flow during an access admission time period. Transmission of the data to the M2M BS is ceased during an access restriction time period.

Abstract translation: 提供了用于在M2M通信系统中操作用于时间控制服务的机器对机器（M2M）用户站（SS）的方法和装置。 M2M SS注册时间控制的服务。 在登记时间控制服务之后，M2M SS与M2M基站（BS）建立业务流程。 在访问准入时间段期间，数据通过服务流从M2M SS传送到M2M BS。 在访问限制时间段期间，将数据传输到M2M BS。

公开(公告)号：US09088890B2

公开(公告)日：2015-07-21

申请号：US14149724

申请日：2014-01-07

Applicant: Samsung Electronics Co., Ltd

Inventor： Young-Kyo Baek ,  Hyun-Jeong Kang

IPC: H04L9/00 ,  H04W12/04 ,  H04L29/06 ,  H04W12/02 ,  H04W12/10

CPC classification number: H04W12/04 ,  G06F21/556 ,  G06F21/602 ,  G06F21/72 ,  G06F21/78 ,  G06F2221/2141 ,  G06F2221/2145 ,  G06F2221/2147 ,  G06F2221/2153 ,  H04L9/0844 ,  H04L63/0428 ,  H04L63/123 ,  H04L2209/80 ,  H04L2463/061 ,  H04W4/14 ,  H04W12/02 ,  H04W12/10

Abstract: A method and apparatus is capable of encrypting short data in a wireless communication system When a terminal generates a short data burst in idle mode, the apparatus generates a Traffic Encryption Key (TEK) using a Cipher-based Message Authentication Code (CMAC)-TEK prekey derived from an Authorization Key (AK) related to Security Association (SA) between the terminal and a Base Station (BS). A nonce is constructed with a Packet Number (PN) identical to an uplink CMAC PN (CMAC-PN_U) transmitted together with a Ranging Request (RNG-REQ) message carrying the short data burst The short data burst is encrypted using the TEK and the nonce. A Medium Access Control (MAC) Protocol Data Unit (PDU) is generated by attaching a MAC header and a CMAC digest for integrity protection to the RNG-REQ message carrying the encrypted short data burst. The MAC PDU is transmitted to the BS.

Abstract translation: 一种方法和装置能够在无线通信系统中加密短数据当终端在空闲模式下生成短数据突发时，该装置使用基于密码的消息认证码（CMAC）-TEK生成业务加密密钥（TEK） 从与终端和基站（BS）之间的安全关联（SA）相关的授权密钥（AK）派生的预密钥。 构成与具有与承载短数据脉冲串的测距请求（RNG-REQ）消息一起发送的上行链路CMAC PN（CMAC-PN_U）相同的分组号（PN）的随机数。短数据突发使用TEK和 随机数 通过将MAC报头和用于完整性保护的CMAC摘要附加到携带加密的短数据突发的RNG-REQ消息来生成媒体接入控制（MAC）协议数据单元（PDU）。 MAC PDU被发送到BS。

公开(公告)号：US20140213249A1

公开(公告)日：2014-07-31

申请号：US14164039

申请日：2014-01-24

Applicant: Samsung Electronics Co., Ltd

Inventor： Hyun-Jeong Kang ,  Rakesh Taori ,  Yeong-Moon Son

IPC: H04W28/18

CPC classification number: H04W28/18 ,  H04B7/024 ,  H04B17/318 ,  H04W8/22 ,  H04W48/16 ,  H04W64/003 ,  H04W88/08

Abstract: A method of determining member Base Stations (BSs) providing cooperative communication to a Mobile Station (MS) in a communication system. The method includes when a candidate list of the member BSs generated using at least one of strengths of signals received from adjacent BSs and cell loading state information of the adjacent BSs is received from the MS, selecting candidate BSs having a service quality larger than or equal to a threshold from candidate BSs included in the candidate list as targets to receive a member negotiation; and performing a capability negotiation with each of the selected targets to receive the member negotiation to select final member BSs and transmitting information on the determined final member BSs to the MS.

Abstract translation: 一种确定在通信系统中向移动站（MS）提供协作通信的成员基站（BS）的方法。 该方法包括当从MS接收到使用从相邻BS接收的信号的强度和小区加载状态信息中的至少一个生成的成员BS的候选列表时，选择服务质量大于或等于的服务质量的候选BS 以包括在候选列表中的候选BS的阈值作为接收成员协商的目标; 以及执行与所选择的目标中的每一个的能力协商以接收所述成员协商以选择最终成员BS，并且将确定的最终成员BS上的信息发送到所述MS。

公开(公告)号：US20140126721A1

公开(公告)日：2014-05-08

申请号：US14149724

申请日：2014-01-07

Applicant: Samsung Electronics Co., Ltd.

Inventor： Young-Kyo Baek ,  Hyun-Jeong Kang

IPC: H04W12/04

CPC classification number: H04W12/04 ,  G06F21/556 ,  G06F21/602 ,  G06F21/72 ,  G06F21/78 ,  G06F2221/2141 ,  G06F2221/2145 ,  G06F2221/2147 ,  G06F2221/2153 ,  H04L9/0844 ,  H04L63/0428 ,  H04L63/123 ,  H04L2209/80 ,  H04L2463/061 ,  H04W4/14 ,  H04W12/02 ,  H04W12/10

Abstract: A method and apparatus is capable of encrypting short data in a wireless communication system When a terminal generates a short data burst in idle mode, the apparatus generates a Traffic Encryption Key (TEK) using a Cipher-based Message Authentication Code (CMAC)-TEK prekey derived from an Authorization Key (AK) related to Security Association (SA) between the terminal and a Base Station (BS). A nonce is constructed with a Packet Number (PN) identical to an uplink CMAC PN (CMAC-PN_U) transmitted together with a Ranging Request (RNG-REQ) message carrying the short data burst The short data burst is encrypted using the TEK and the nonce. A Medium Access Control (MAC) Protocol Data Unit (PDU) is generated by attaching a MAC header and a CMAC digest for integrity protection to the RNG-REQ message carrying the encrypted short data burst. The MAC PDU is transmitted to the BS.

Abstract translation: 一种方法和装置能够在无线通信系统中加密短数据当终端在空闲模式下生成短数据突发时，该装置使用基于密码的消息认证码（CMAC）-TEK生成业务加密密钥（TEK） 从与终端和基站（BS）之间的安全关联（SA）相关的授权密钥（AK）派生的预密钥。 构成与具有与承载短数据脉冲串的测距请求（RNG-REQ）消息一起发送的上行链路CMAC PN（CMAC-PN_U）相同的分组号（PN）的随机数。短数据突发使用TEK和 随机数 通过将MAC报头和用于完整性保护的CMAC摘要附加到携带加密的短数据突发的RNG-REQ消息来生成媒体接入控制（MAC）协议数据单元（PDU）。 MAC PDU被发送到BS。

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.