公开(公告)号：US09179369B2

公开(公告)日：2015-11-03

申请号：US13202069

申请日：2010-02-19

申请人： Jin Young Chun ,  Ki Seon Ryu ,  In Uk Jung ,  Jin Lee ,  Bin Chul Ihm

发明人： Jin Young Chun ,  Ki Seon Ryu ,  In Uk Jung ,  Jin Lee ,  Bin Chul Ihm

IPC分类号： H04W36/00 ,  H04W72/04 ,  H04W36/04 ,  H04W84/04

CPC分类号： H04W36/0016 ,  H04W36/04 ,  H04W72/04 ,  H04W84/045 ,  Y02D70/1224 ,  Y02D70/1242 ,  Y02D70/1262 ,  Y02D70/142 ,  Y02D70/146

摘要： A method of performing a handover in a wireless communication system employing a macro base station and a femto base station is provided. The method comprising: monitoring an uplink signal transmitted from a user equipment to the macro base station; transmitting a handover initiation message to the macro base station on the basis of a result of comparing the uplink signal's strength obtained by the monitoring with a reference value; and performing a handover of the user equipment from the macro base station to the femto base station. According to the present invention, there is provided a method of initiating a handover by a femto base station by fining user equipments located in a cell coverage of the femto base station. In addition, a signaling overhead is reduced by utilizing previously existing information such as uplink transmit power.

摘要翻译： 提供了一种在使用宏基站和毫微微基站的无线通信系统中执行切换的方法。 该方法包括：监视从用户设备发送到宏基站的上行链路信号; 基于将通过监视获得的上行链路信号的强度与参考值进行比较的结果，向所述宏基站发送切换发起消息; 并且执行用户设备从宏基站到毫微微基站的切换。 根据本发明，提供了一种通过对位于毫微微基站的小区覆盖范围内的用户设备进行优化来启动毫微微基站的切换的方法。 另外，通过利用先前存在的诸如上行链路传输功率的信息来减少信令开销。

公开(公告)号：US08971889B2

公开(公告)日：2015-03-03

申请号：US13202321

申请日：2010-02-19

申请人： In Uk Jung ,  Yong Ho Kim ,  Jin Young Chun ,  Jin Lee ,  Bin Chul Ihm ,  Ki Seon Ryu

发明人： In Uk Jung ,  Yong Ho Kim ,  Jin Young Chun ,  Jin Lee ,  Bin Chul Ihm ,  Ki Seon Ryu

IPC分类号： H04W36/00 ,  H04W4/00 ,  H04W36/32 ,  H04W36/20 ,  H04W84/04

CPC分类号： H04W36/32 ,  H04W36/20 ,  H04W84/045

摘要： A method for supporting a handover on the basis of the distance from an intermediate access point to a user equipment includes receiving uplink message set information of the user equipment from a serving base station of the user equipment; receiving the uplink message transmitted by predetermined transmitting power from the user equipment, and detecting the user equipment which has sent the uplink message on the basis of the uplink message set information; determining the receiving power by which said uplink message is received; calculating the distance between the intermediate access point and the detected user equipment by using said predetermined transmitting power and said receiving power; and performing a subsequent handover based on the distance calculated in the previous step.

摘要翻译： 基于从中间接入点到用户设备的距离来支持切换的方法包括从用户设备的服务基站接收用户设备的上行链路消息集信息; 接收来自用户设备的预定发送功率发送的上行链路消息，并根据上行链路消息集信息检测发送了上行链路消息的用户设备; 确定接收所述上行链路消息的接收功率; 通过使用所述预定发射功率和所述接收功率来计算中间接入点与检测到的用户设备之间的距离; 以及基于在前一步骤中计算出的距离来执行后续切换。

公开(公告)号：US08849263B2

公开(公告)日：2014-09-30

申请号：US13379344

申请日：2010-06-21

申请人： In Uk Jung ,  Jin Lee ,  Yong Ho Kim ,  Ki Seon Ryu

发明人： In Uk Jung ,  Jin Lee ,  Yong Ho Kim ,  Ki Seon Ryu

IPC分类号： H04M3/42 ,  H04W36/00 ,  H04W84/04

CPC分类号： H04W36/0055 ,  H04W84/045

摘要： The present invention relates to methods for performing fast handover by a terminal in an environment in which multiple femto base stations exist. A method for performing handover by a terminal includes transmitting, to a serving femto base station, a message for requesting seamless handover within a group including multiple femto base stations, the serving femto base station belonging to the group; receiving, from the serving femto base station, first command message including power information and allocation information; broadcasting an uplink signal that is applied with transmission power indicated by the power information, through an uplink resource indicated by the allocation information; receiving second command messages including measurements of the uplink signal measured by the multiple femto base stations from the serving femto base stations; and performing network re-entry to a target base station among the femto base stations.

摘要翻译： 本发明涉及在存在多个毫微微基站的环境中由终端执行快速切换的方法。 用于执行终端的切换的方法包括向服务毫微微基站发送用于在包括多个毫微微基站的组内请求无缝切换的消息，属于该组的服务毫微微基站; 从所述服务毫微微基站接收包括功率信息和分配信息的第一命令消息; 通过由所述分配信息指示的上行链路资源，广播利用由所述功率信息指示的发送功率的上行链路信号; 从服务毫微微基站接收包括由多个毫微微基站测量的上行链路信号的测量的第二命令消息; 并且在所述毫微微基站中执行到目标基站的网络重新进入。

公开(公告)号：US08626169B2

公开(公告)日：2014-01-07

申请号：US12608752

申请日：2009-10-29

申请人： Jin Lee ,  In Uk Jung ,  Yong Ho Kim ,  Ki Seon Ryu

发明人： Jin Lee ,  In Uk Jung ,  Yong Ho Kim ,  Ki Seon Ryu

IPC分类号： H04W36/00 ,  H04M3/16

CPC分类号： H04W36/0061 ,  H04W84/045

摘要： A method of handover in a wireless communication system is disclosed. A method of handover of a mobile station in a wireless communication system with femtocells comprises transmitting a control message including at least one among information of first femtocell base station detected through initial scanning and location information of the mobile station to a base station; receiving information of one or more second femtocell base stations to which the mobile station is accessible, wherein the second femtocell base stations are searched based on the control message from the base station; and performing a handover to one of the second femtocell base stations.

摘要翻译： 公开了一种在无线通信系统中切换的方法。 移动台在具有毫微微小区的无线通信系统中切换的方法包括：向基站发送包括通过初始扫描检测到的第一毫微微小区基站的信息和移动台的位置信息的信息中的至少一个的控制消息; 接收移动站可访问的一个或多个第二毫微微小区基站的信息，其中基于来自基站的控制消息来搜索第二毫微微小区基站; 以及执行到所述第二毫微微小区基站之一的切换。

公开(公告)号：US08391860B2

公开(公告)日：2013-03-05

申请号：US12788076

申请日：2010-05-26

申请人： In Uk Jung ,  Jin Lee ,  Yong Ho Kim ,  Ki Seon Ryu

发明人： In Uk Jung ,  Jin Lee ,  Yong Ho Kim ,  Ki Seon Ryu

IPC分类号： G06F15/16

CPC分类号： H04W36/0083 ,  H04W84/045

摘要： A method for updating a neighbor list at a femto Base Station (BS) is disclosed. The method includes broadcasting a first broadcast message including information about an unavailable time interval during which scheduling is not performed for Mobile Stations (MSs), scanning at least one neighbor BS during the unavailable time interval, and updating the neighbor list according to a result of the scanning.

摘要翻译： 公开了一种在毫微微基站（BS）更新邻居列表的方法。 该方法包括：广播第一广播消息，其包括关于不可执行时间间隔的信息，在该不可用时间间隔期间不对移动台（MS）执行调度，在不可用时间间隔期间扫描至少一个相邻BS，并且根据 扫描。

公开(公告)号：US20120165021A1

公开(公告)日：2012-06-28

申请号：US13379344

申请日：2010-06-21

申请人： In Uk Jung ,  Jin Lee ,  Yong Ho KIM ,  Ki Seon Ryu

发明人： In Uk Jung ,  Jin Lee ,  Yong Ho KIM ,  Ki Seon Ryu

IPC分类号： H04W36/08

CPC分类号： H04W36/0055 ,  H04W84/045

摘要： The present invention relates to methods for performing fast handover by a terminal in an environment in which multiple femto base stations exist. A method for performing handover by a terminal includes transmitting, to a serving femto base station, a message for requesting seamless handover within a group including multiple femto base stations, the serving femto base station belonging to the group; receiving, from the serving femto base station, first command message including power information and allocation information; broadcasting an uplink signal that is applied with transmission power indicated by the power information, through an uplink resource indicated by the allocation information; receiving second command messages including measurements of the uplink signal measured by the multiple femto base stations from the serving femto base stations; and performing network re-entry to a target base station among the femto base stations.

摘要翻译： 本发明涉及在存在多个毫微微基站的环境中由终端执行快速切换的方法。 用于执行终端的切换的方法包括向服务毫微微基站发送用于在包括多个毫微微基站的组内请求无缝切换的消息，属于该组的服务毫微微基站; 从所述服务毫微微基站接收包括功率信息和分配信息的第一命令消息; 通过由所述分配信息指示的上行链路资源，广播利用由所述功率信息指示的发送功率的上行链路信号; 从服务毫微微基站接收包括由多个毫微微基站测量的上行链路信号的测量的第二命令消息; 并且在所述毫微微基站中执行到目标基站的网络重新进入。

公开(公告)号：US08396486B2

公开(公告)日：2013-03-12

申请号：US13127032

申请日：2009-10-29

申请人： Jin Lee ,  In Uk Jung ,  Yong Ho Kim ,  Ki Seon Ryu

发明人： Jin Lee ,  In Uk Jung ,  Yong Ho Kim ,  Ki Seon Ryu

IPC分类号： H04W88/02

CPC分类号： H04W48/16

摘要： A method of initial access in a wireless communication system is disclosed. A method of initial access of a mobile station in a wireless communication system with femtocells comprises selecting a base station to which the mobile station requests information of femto cell base stations which can serve the mobile station and exist around the mobile station through scanning downlink channel; and requesting the selected base station the information of the femto cell base stations.

摘要翻译： 公开了一种在无线通信系统中初始接入的方法。 一种移动台在具有毫微微小区的无线通信系统中的初始接入方法包括：选择移动台通过扫描下行链路信道请求能够服务于移动台并存在于移动台周围的毫微微小区基站的信息的基站; 以及向所选择的基站请求所述毫微微小区基站的信息。

公开(公告)号：US20120039195A1

公开(公告)日：2012-02-16

申请号：US13202321

申请日：2010-02-19

申请人： In Uk Jung ,  Yong Ho Kim ,  Jin Young Chun ,  Jin Lee ,  Bin Chul Ihm ,  Ki Seon Ryun

发明人： In Uk Jung ,  Yong Ho Kim ,  Jin Young Chun ,  Jin Lee ,  Bin Chul Ihm ,  Ki Seon Ryun

IPC分类号： H04W36/24 ,  H04W24/00 ,  H04W52/04 ,  H04L12/26

CPC分类号： H04W36/32 ,  H04W36/20 ,  H04W84/045

摘要： A method for supporting a handover on the basis of the distance from an intermediate access point to a user equipment includes receiving uplink message set information of the user equipment from a serving base station of the user equipment; receiving the uplink message transmitted by predetermined transmitting power from the user equipment, and detecting the user equipment which has sent the uplink message on the basis of the uplink message set information; determining the receiving power by which said uplink message is received; calculating the distance between the intermediate access point and the detected user equipment by using said predetermined transmitting power and said receiving power; and performing a subsequent handover based on the distance calculated in the previous step.

摘要翻译： 基于从中间接入点到用户设备的距离来支持切换的方法包括从用户设备的服务基站接收用户设备的上行链路消息集信息; 接收来自用户设备的预定发送功率发送的上行链路消息，并根据上行链路消息集信息检测发送了上行链路消息的用户设备; 确定接收所述上行链路消息的接收功率; 通过使用所述预定发射功率和所述接收功率来计算中间接入点与检测到的用户设备之间的距离; 以及基于在前一步骤中计算出的距离来执行后续切换。

公开(公告)号：US20110287759A1

公开(公告)日：2011-11-24

申请号：US13143476

申请日：2010-01-06

申请人： In Uk Jung ,  Jin Lee ,  Yong Ho Kim ,  Ki Seon Ryu

发明人： In Uk Jung ,  Jin Lee ,  Yong Ho Kim ,  Ki Seon Ryu

IPC分类号： H04W92/00

CPC分类号： H04W52/0206 ,  H04W84/045 ,  Y02D70/1222 ,  Y02D70/1244 ,  Y02D70/1262 ,  Y02D70/146

摘要： The present invention relates to a broadband wireless access system, and more particularly, to a method for efficiently operating a service unavailable mode of Femto base station. The method for operating a service unavailable mode of Femto base station in the broadband wireless access system according to one embodiment of the present invention, comprises the steps of: determining whether the preset condition for the operation of a service unavailable mode is satisfied; and broadcasting service unavailable mode information for indicating the state of service unavailable mode of the Femto base station in accordance with the result of determination on the preset condition.

摘要翻译： 宽带无线接入系统技术领域本发明涉及一种宽带无线接入系统，更具体地，涉及一种有效地操作毫微微基站业务不可用模式的方法。 根据本发明的一个实施例的用于在宽带无线接入系统中操作毫微微基站的业务不可用模式的方法包括以下步骤：确定是否满足用于业务不可用模式的操作的预置条件; 以及广播服务不可用模式信息，用于根据预设条件的确定结果来指示毫微微基站的服务不可用模式状态。

公开(公告)号：US20110299446A1

公开(公告)日：2011-12-08

申请号：US13202069

申请日：2010-02-19

申请人： Jin Young Chun ,  Ki Seon Ryu ,  In Uk Jung ,  Jin Lee ,  Bin Chul Ihm

发明人： Jin Young Chun ,  Ki Seon Ryu ,  In Uk Jung ,  Jin Lee ,  Bin Chul Ihm

IPC分类号： H04W36/00 ,  H04W52/02

CPC分类号： H04W36/0016 ,  H04W36/04 ,  H04W72/04 ,  H04W84/045 ,  Y02D70/1224 ,  Y02D70/1242 ,  Y02D70/1262 ,  Y02D70/142 ,  Y02D70/146

摘要： A method of performing a handover in a wireless communication system employing a macro base station and a femto base station is provided. The method comprising: monitoring an uplink signal transmitted from a user equipment to the macro base station; transmitting a handover initiation message to the macro base station on the basis of a result of comparing the uplink signal's strength obtained by the monitoring with a reference value; and performing a handover of the user equipment from the macro base station to the femto base station. According to the present invention, there is provided a method of initiating a handover by a femto base station by fining user equipments located in a cell coverage of the femto base station. In addition, a signaling overhead is reduced by utilizing previously existing information such as uplink transmit power.

摘要翻译： 提供了一种在使用宏基站和毫微微基站的无线通信系统中执行切换的方法。 该方法包括：监视从用户设备发送到宏基站的上行链路信号; 基于将通过监视获得的上行链路信号的强度与参考值进行比较的结果，向所述宏基站发送切换发起消息; 并且执行用户设备从宏基站到毫微微基站的切换。 根据本发明，提供了一种通过对位于毫微微基站的小区覆盖范围内的用户设备进行优化来启动毫微微基站的切换的方法。 另外，通过利用先前存在的诸如上行链路传输功率的信息来减少信令开销。