公开(公告)号：US08670415B2

公开(公告)日：2014-03-11

申请号：US11500222

申请日：2006-08-07

Applicant: Young-Bin Chang ,  Eun-Taek Lim ,  Jung-Min Ro ,  Jae-Hyuk Jang ,  Dong-Seek Park ,  Young-Kwon Cho ,  Seung-Hoon Park ,  Joon-Young Choi

Inventor： Young-Bin Chang ,  Eun-Taek Lim ,  Jung-Min Ro ,  Jae-Hyuk Jang ,  Dong-Seek Park ,  Young-Kwon Cho ,  Seung-Hoon Park ,  Joon-Young Choi

IPC: H04W4/00

CPC classification number: H04W36/0083 ,  H04B17/318 ,  H04B17/382 ,  H04W36/14 ,  H04W36/30

Abstract: A method is provided for performing handoff in a communication system including a serving base station (BS) in communication with a mobile station (MS), at least one neighbor BS using a communication scheme different from a communication scheme of the serving BS, and the MS capable of communicating with the neighbor BS. The method includes compensating a signal strength of one of the serving BS and the neighbor BS, received at the MS, such that handoff decision is possible, and determining whether to perform a handoff of the MS, using the compensated signal strengths.

Abstract translation: 提供了一种用于在包括与移动站（MS）通信的服务基站（BS）的通信系统中执行切换的方法，使用不同于服务BS的通信方案的通信方案的至少一个相邻BS，以及 MS能够与邻居BS进行通信。 该方法包括补偿在MS处接收的服务BS和相邻BS之一的信号强度，使得切换判定成为可能，并且使用经补偿的信号强度来确定是否执行MS的切换。

公开(公告)号：US08649315B2

公开(公告)日：2014-02-11

申请号：US12471705

申请日：2009-05-26

Applicant: Hyun-Jeong Kang ,  Young-Bin Chang ,  Jung-Je Son ,  Taori Rakesh

Inventor： Hyun-Jeong Kang ,  Young-Bin Chang ,  Jung-Je Son ,  Taori Rakesh

IPC: H04J3/08

CPC classification number: H04B7/2606

Abstract: An apparatus and a method for processing a change of a preamble of a Relay Station (RS) are provided. An operating method of a Base Station (BS) includes providing a relay service via an RS, determining whether a preamble of the RS needs to change, when it is necessary to change the preamble of the RS, sending a preamble change command message to the RS and, when the preamble of the RS is changed, sending a preamble change notification message informing of the preamble change to at least one lower node of the RS.

Abstract translation: 提供了一种用于处理中继站（RS）的前导码改变的装置和方法。 基站（BS）的操作方法包括通过RS提供中继服务，确定RS的前导码是否需要改变，当需要改变RS的前同步码时，发送前导码改变命令消息给 RS，并且当RS的前导码改变时，向RS的至少一个下级节点发送通知前同步码改变的前同步码改变通知消息。

公开(公告)号：US08483116B2

公开(公告)日：2013-07-09

申请号：US12062137

申请日：2008-04-03

Applicant: Young-Bin Chang ,  Taori Rakesh ,  Jung-Je Son ,  Chang-Yoon Oh ,  Hyoung-Kyu Lim ,  Sung-Jin Lee ,  Hyun-Jeong Kang

Inventor： Young-Bin Chang ,  Taori Rakesh ,  Jung-Je Son ,  Chang-Yoon Oh ,  Hyoung-Kyu Lim ,  Sung-Jin Lee ,  Hyun-Jeong Kang

IPC: H04W88/04

CPC classification number: H04L1/1854 ,  H04B7/15528 ,  H04L1/0081 ,  H04L1/1812 ,  H04L5/0055 ,  H04L2001/0097

Abstract: An apparatus and a method for sending a control information for retransmission in a multihop relay wireless communication system are provided. Data received from a lower node is checked for errors. The data is transmitted to an upper node, when the data has no errors. When two or more information, which include at least one of Acknowledgement (ACK) and Negative ACK (NACK) in response to a data reception are received from one or more lower nodes, the two or more information are transmitted to the upper node at the same time. Accordingly, the RS can transmit the control information for the ARQ provided from the lower nodes, to the upper node at the same time.

Abstract translation: 提供了一种用于在多跳中继无线通信系统中发送用于重传的控制信息的装置和方法。 检查从较低节点收到的数据是否有错误。 当数据没有错误时，数据被传送到上层节点。 当从一个或多个下层节点接收到响应于数据接收的至少包括确认（ACK）和否定ACK（NACK）中的至少一个的两个或多个信息时，两个或多个信息被传送到上层节点 同时。 因此，RS可以将从下层节点提供的ARQ的控制信息同时发送到上位节点。

公开(公告)号：US08437258B2

公开(公告)日：2013-05-07

申请号：US12803755

申请日：2010-07-06

Applicant: Anil Agiwal ,  Young-Bin Chang

Inventor： Anil Agiwal ,  Young-Bin Chang

IPC: H04L1/00 ,  H04L1/14 ,  G06F15/173

CPC classification number: H04L1/1685 ,  H04L1/1812 ,  H04L1/188

Abstract: A method for transmitting management message by a transmitting device in a communication network includes receiving a management message that is to be transmitted in the communication network. The transmitting device determines whether a feedback is required for the management message when the management message is transmitted in the communication network. The transmitting device also includes a feedback request information in a Medium Access Control (MAC) Protocol Data Unit (PDU) including a last fragment of the management message. The management message can be transmitted in one or more MAC PDUs and can be divided into one or more fragments. The transmitting device also transmits the MAC PDU indicating the feedback request information.

Abstract translation: 在通信网络中由发送装置发送管理消息的方法包括接收要在通信网络中发送的管理消息。 当在通信网络中发送管理消息时，发送装置确定是否需要用于管理消息的反馈。 发送设备还包括在包括管理消息的最后片段的介质访问控制（MAC）协议数据单元（PDU）中的反馈请求信息。 管理消息可以在一个或多个MAC PDU中发送，并且可以被分成一个或多个片段。 发送装置还发送指示反馈请求信息的MAC PDU。

公开(公告)号：US08397119B2

公开(公告)日：2013-03-12

申请号：US12544741

申请日：2009-08-20

Applicant: Young-Bin Chang ,  Taori Rakesh ,  Won-Il Lee ,  Jae-Young Kim ,  Anil Agiwal

Inventor： Young-Bin Chang ,  Taori Rakesh ,  Won-Il Lee ,  Jae-Young Kim ,  Anil Agiwal

IPC: H04L1/18

CPC classification number: H04L1/0083 ,  H04L1/1614 ,  H04L1/1635 ,  H04L1/1854 ,  H04L1/1893

Abstract: An apparatus and a method for generating an Automatic Repeat reQuest (ARQ) feedback message in a wireless communication system are provided. A method for generating an ARQ feedback message at a receiving end in a wireless communication system includes, generating first ARQ feedback information of a first scheme, the first ARQ feedback information comprising information of a first erroneous ARQ block of one or more ARQ blocks for which the ARQ feedback is not performed, generating second ARQ feedback information of a second scheme indicative of error of at least one ARQ block not represented in the first ARQ feedback information, generating an ARQ feedback message comprising the first ARQ feedback information and the second ARQ feedback information, and transmitting the ARQ feedback message to a transmitting end.

Abstract translation: 提供了一种用于在无线通信系统中生成自动重复请求（ARQ）反馈消息的装置和方法。 一种用于在无线通信系统中的接收端生成ARQ反馈消息的方法包括：产生第一方案的第一ARQ反馈信息，所述第一ARQ反馈信息包括一个或多个ARQ块的第一错误ARQ块的信息， 不执行ARQ反馈，产生指示在第一ARQ反馈信息中未表示的至少一个ARQ块的错误的第二方案的第二ARQ反馈信息，生成包括第一ARQ反馈信息和第二ARQ反馈的ARQ反馈消息 信息，并将ARQ反馈消息发送到发送端。

公开(公告)号：US20130040682A1

公开(公告)日：2013-02-14

申请号：US13465638

申请日：2012-05-07

Applicant: Young-Bin CHANG ,  Rakesh TAORI

Inventor： Young-Bin CHANG ,  Rakesh TAORI

IPC: H04L25/49 ,  H04W24/00 ,  H01Q3/00

CPC classification number: H01Q1/243 ,  G01S5/0018 ,  H01Q3/00 ,  H01Q3/26 ,  H04B7/0417 ,  H04B7/0617 ,  H04B7/0623 ,  H04B7/0628 ,  H04B7/063 ,  H04L5/0053 ,  H04L67/18 ,  H04L67/306 ,  H04W4/026 ,  H04W4/027 ,  H04W8/22 ,  H04W8/24 ,  H04W24/02 ,  H04W24/10 ,  H04W36/32 ,  H04W64/006 ,  H04W72/046 ,  H04W72/048 ,  H04W76/27

Abstract: To retain a beam direction of beamforming in a wireless communication system, an apparatus for the beamforming includes a detector for measuring change of at least one of a movement and a motion of the apparatus; and a processor for determining a beam control parameter for aligning a beam direction with a counterpart apparatus by compensating for the change of the beam direction according to at least one of the movement and the motion.

Abstract translation: 为了在无线通信系统中保持波束成形的波束方向，用于波束成形的装置包括用于测量装置的运动和运动中的至少一个的变化的检测器; 以及处理器，用于根据运动和运动中的至少一个，通过补偿波束方向的变化来确定用于使波束方向与对方装置对准的波束控制参数。

公开(公告)号：US08332704B2

公开(公告)日：2012-12-11

申请号：US12402915

申请日：2009-03-12

Applicant: Young-Bin Chang ,  Taori Rakesh ,  Hyun-Jeong Kang ,  Jung-Je Son

Inventor： Young-Bin Chang ,  Taori Rakesh ,  Hyun-Jeong Kang ,  Jung-Je Son

IPC: H04L1/18 ,  H04B7/00

CPC classification number: H04L1/1854 ,  H04L2001/0097

Abstract: A wireless multi-hop relay communication system includes a terminal for transmitting an Automatic Retransmission reQuest (ARQ) block of a Media Access Control (MAC) layer in an access link, an access link relay station for determining if there is an error in the ARQ block received on the access link and for sending the ARQ block to an upper node over a relay link when the ARQ block has no error, and a base station for determining if there is an error in the ARQ block received over the relay link.

Abstract translation: 一种无线多跳中继通信系统包括用于发送接入链路中的媒体接入控制（MAC）层的自动重传请求（ARQ）块的终端，用于确定ARQ中是否存在错误的接入链路中继站 并且当ARQ块没有错误时通过中继链路将ARQ块发送到上位节点，以及用于确定在中继链路上接收到的ARQ块是否存在错误的基站。

公开(公告)号：US20120269114A1

公开(公告)日：2012-10-25

申请号：US13536392

申请日：2012-06-28

Applicant: Chang-Yoon OH ,  Hyun-Jeong Kang ,  Jae-Weon Cho ,  Hyoung-Kyu Lim ,  Sung-Jin Lee ,  Young-Bin Chang ,  Yeon-Moon Son ,  Taori Rakesh

Inventor： Chang-Yoon OH ,  Hyun-Jeong Kang ,  Jae-Weon Cho ,  Hyoung-Kyu Lim ,  Sung-Jin Lee ,  Young-Bin Chang ,  Yeon-Moon Son ,  Taori Rakesh

IPC: H04B7/14

CPC classification number: H04B7/2606 ,  H04B7/155

Abstract: An upper node is provided for use in a wireless communication system using a relay scheme. The upper node includes means for transmitting, upon a request of a lower relay station for an initial connection of the lower relay station, downlink section information for communication with the lower relay station for a relay service to the lower relay station; and means for transmitting, after the initial connection with the lower relay station, frame configuration information for communication with the lower relay station for a relay service to the lower relay station through the downlink section. The downlink section information includes configuration information of the downlink section for communication with the lower relay station for a relay service.

Abstract translation: 提供上级节点用于使用中继方案的无线通信系统。 上级节点包括：用于下级中继站请求，用于下级中继站的初始连接的下行链路部分信息，用于与下级中继站通信，用于向下级中继站发送中继业务; 以及用于在与下级中继站的初始连接之后，通过下行链路部分向下级中继站发送用于与下级中继站进行中继业务通信的帧配置信息的装置。 下行链路部分信息包括用于与中继服务的下级中继站通信的下行链路部分的配置信息。

公开(公告)号：US20120225650A1

公开(公告)日：2012-09-06

申请号：US13408423

申请日：2012-02-29

Applicant: Yeong-Moon SON ,  Rakesh TAORI ,  Young-Bin CHANG ,  Jae-Hyuk JANG ,  Kyung-Kyu KIM

Inventor： Yeong-Moon SON ,  Rakesh TAORI ,  Young-Bin CHANG ,  Jae-Hyuk JANG ,  Kyung-Kyu KIM

IPC: H04W36/06 ,  H04B7/15

CPC classification number: H04W36/30 ,  H04W76/23 ,  H04W84/047

Abstract: A method and an apparatus for a Mobile Station (MS) to control a Relay Station (RS) mode of the MS in a communication system are provided. The method includes sensing a link loss with a serving Base Station (BS), searching for a neighbor BS for network reentry, transmitting to the neighbor BS an Identifier (ID) of the serving BS and an indication indicating network reentry from coverage loss caused by movement out of a service area of the serving BS are, and operating in the RS mode, upon receipt of an indication commanding switch to the RS mode from the neighbor BS, wherein the RS mode is a mode in which the MS operates as an RS.

Abstract translation: 提供了一种移动台（MS）在通信系统中控制MS的中继站（RS）模式的方法和装置。 该方法包括：利用服务基站（BS）感测链路丢失，搜索邻居BS进行网络重入，向邻居BS发送服务BS的标识符（ID），以及指示网络重新进入的指示，覆盖范围由 在从邻接BS接收到RS模式的指示命令切换之后，从服务BS的服务区域移动并且以RS模式操作，其中RS模式是MS作为RS操作的模式 。

公开(公告)号：US08245093B2

公开(公告)日：2012-08-14

申请号：US12242354

申请日：2008-09-30

Applicant: Jae-Young Kim ,  Young-Bin Chang ,  Won-II Lee ,  Sung-Tak Jang

Inventor： Jae-Young Kim ,  Young-Bin Chang ,  Won-II Lee ,  Sung-Tak Jang

IPC: H04L1/14 ,  H04L1/12 ,  G08C25/02

CPC classification number: H04L1/1614 ,  H04L1/165

Abstract: An Automatic Retransmission reQuest (ARQ) data block reception apparatus and method in a communication system is provided. In the ARQ method, an ARQ feedback Information Element (IE) is transmitted to an ARQ data block transmission apparatus. The ARQ feedback IE includes a first field for indicating a Connection IDentifier (CID) of an ARQ connection, a second field for indicating the presence/absence of an additional ARQ feedback IE after the ARQ feedback IE, a third field for indicating a type of an Acknowledgement (ACK) MAP included in the ARQ feedback IE, a fourth field for indicating a Block Sequence Number (BSN) of an ARQ data block, and m ACK MAP fields. The m ACK MAP fields each include information indicating presence/absence of an additional ACK MAP field after a corresponding ACK MAP field, and an ACK MAP indicating success/failure in normal reception for each of n ARQ data blocks, wherein m and n each denote an integer greater than or equal to 1.

Abstract translation: 提供了一种通信系统中的自动重发请求（ARQ）数据块接收装置和方法。 在ARQ方法中，向ARQ数据块发送装置发送ARQ反馈信息元素（IE）。 ARQ反馈IE包括用于指示ARQ连接的连接标识符（CID）的第一字段，用于指示ARQ反馈IE之后是否存在附加ARQ反馈IE的第二字段，用于指示ARQ反馈IE的类型的第三字段 包括在ARQ反馈IE中的确认（ACK）MAP，用于指示ARQ数据块的块序列号（BSN）的第四字段和m个ACK MAP字段。 m ACK MAP字段各自包括指示相应的ACK MAP字段之后的附加ACK MAP字段的存在/不存在的信息，以及指示n个ARQ数据块中的每一个在正常接收中的成功/失败的ACK MAP，其中m和n各自表示 大于或等于1的整数。