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1.发明授权Apparatus and method for managing access state of mobile station for group communication service in wireless communication system 有权在无线通信系统中管理用于组通信服务的移动台的接入状态的装置和方法公开(公告)号：US09001772B2
公开(公告)日：2015-04-07
申请号：US13991594
申请日：2011-12-16
Applicant: Han-Seok Kim , Gyou-Hwan Kim , Woo-Jae Kim , Seongkwan Kim , Jai-Jin Lim
Inventor： Han-Seok Kim , Gyou-Hwan Kim , Woo-Jae Kim , Seongkwan Kim , Jai-Jin Lim
CPC classification number: H04W72/005 , H04W4/10 , H04W72/121
Abstract: An apparatus and a method for managing an access state of a terminal for a group communication service in a wireless communication system are provided. In a method for operating a terminal for a group communication service in a wireless communication system, a bandwidth ranging message is transmitted to a base station in an idle state. The terminal is allocated an uplink resource from the base station. A message for access state transfer including a multicast Connection IDentifier (CID) is generated. The message for access state transfer is transmitted to the base station via the allocated uplink resource.
Abstract translation: 提供一种用于在无线通信系统中管理组通信服务的终端的访问状态的装置和方法。 在无线通信系统中的用于操作组通信服务的终端的方法中，在空闲状态下将带宽测距消息发送到基站。 从基站向终端分配上行链路资源。 生成包括多播连接标识符（CID）的访问状态传送的消息。 用于访问状态传送的消息经由所分配的上行链路资源被发送到基站。
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2.发明授权Apparatus and method for dynamically allocating multicast path in broadband wireless access system 有权宽带无线接入系统中动态分配组播路径的装置和方法公开(公告)号：US09363789B2
公开(公告)日：2016-06-07
申请号：US13885358
申请日：2011-11-04
Applicant: Gyou-Hwan Kim , Han-Seok Kim , Jai-Jin Lim , Sang-Hoon Ryu , Woo-Jae Kim , Seongkwan Kim
Inventor： Gyou-Hwan Kim , Han-Seok Kim , Jai-Jin Lim , Sang-Hoon Ryu , Woo-Jae Kim , Seongkwan Kim
CPC classification number: H04W72/005 , H04L45/16 , H04W4/10 , H04W36/026 , H04W40/36 , H04W52/325 , H04W52/50 , H04W76/40
Abstract: An apparatus and method for dynamically allocating a multicast path in a broadband wireless access system are provided. A method for an operation of a server providing a multicast service through a wireless access network includes determining to establish multicast paths for a first Base Station (BS) and at least one neighboring BS of the first BS when a terminal receiving the multicast service enters a network through the first BS, and transmitting a control station a message of instructing to establish the multicast path for a BS not holding the multicast path among the first BS and the at least one neighboring BS of the first BS.
Abstract translation: 提供了一种在宽带无线接入系统中动态分配组播路径的装置和方法。 一种用于通过无线接入网络提供多播服务的服务器的操作的方法包括当接收多播服务的终端进入到第一基站（BS）和第一BS的至少一个相邻BS时，确定建立多播路径 通过第一BS发送网络，以及向控制台发送指示为在第一BS和第一BS的至少一个相邻BS之间保持多播路径的BS建立多播路径的消息。
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公开(公告)号：US08666009B2
公开(公告)日：2014-03-04
申请号：US13235897
申请日：2011-09-19
Applicant: Jai Jin Lim , Woo Jae Kim
Inventor： Jai Jin Lim , Woo Jae Kim
IPC: H04L7/00
CPC classification number: H04B7/2662 , H04B7/1851 , H04J3/0641 , H04J3/0644
Abstract: An enhanced base station and clock synchronization method are provided. The method includes scanning to discover a satellite transmitting a satellite signal and a master base station providing clock synchronization signal, entering, when a satellite having a signal that fulfills predetermined conditions is found, a master mode for receiving the satellite signal to acquire clock synchronization and transmitting a clock synchronization signal to at least one slave base station, and entering, when no satellite having a signal that fulfills the predetermined conditions is found, a slave mode for receiving the clock synchronization signal from the master base station to acquire clock synchronization. The method allows the base station to switch between the master and slave modes dynamically according to variation of the communication environment, resulting in efficient clock synchronization.
Abstract translation: 提供增强的基站和时钟同步方法。 该方法包括：扫描发送卫星信号的卫星和提供时钟同步信号的主基站，当发现具有满足预定条件的信号的卫星时，进入用于接收卫星信号以获取时钟同步的主模式， 向至少一个从基站发送时钟同步信号，并且当没有找到具有满足预定条件的信号的卫星时，进入从主基站接收时钟同步信号以获取时钟同步的从模式。 该方法允许基站根据通信环境的变化动态地在主模式和从模式之间切换，从而产生有效的时钟同步。
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Patent Agency Ranking
4.发明申请公开(公告)号：US20130258988A1
公开(公告)日：2013-10-03
申请号：US13991594
申请日：2011-12-16
Applicant: Han-Seok Kim , Gyou-Hwan Kim , Woo-Jae Kim , Seongkwan Kim , Jai-Jin Lim
Inventor： Han-Seok Kim , Gyou-Hwan Kim , Woo-Jae Kim , Seongkwan Kim , Jai-Jin Lim
IPC: H04W72/00
CPC classification number: H04W72/005 , H04W4/10 , H04W72/121
Abstract: An apparatus and a method for managing an access state of a terminal for a group communication service in a wireless communication system are provided. In a method for operating a terminal for a group communication service in a wireless communication system, a bandwidth ranging message is transmitted to a base station in an idle state. The terminal is allocated an uplink resource from the base station. A message for access state transfer including a multicast Connection IDentifier (CID) is generated. The message for access state transfer is transmitted to the base station via the allocated uplink resource.
Abstract translation: 提供一种用于在无线通信系统中管理组通信服务的终端的访问状态的装置和方法。 在无线通信系统中的用于操作组通信服务的终端的方法中，在空闲状态下将带宽测距消息发送到基站。 从基站向终端分配上行链路资源。 生成包括多播连接标识符（CID）的访问状态传送的消息。 用于访问状态传送的消息经由所分配的上行链路资源被发送到基站。
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5.发明申请APPARATUS AND METHOD FOR DYNAMICALLY ALLOCATING MULTICAST PATH IN BROADBAND WIRELESS ACCESS SYSTEM 有权用于在宽带无线接入系统中动态分配多播路径的装置和方法公开(公告)号：US20130235786A1
公开(公告)日：2013-09-12
申请号：US13885358
申请日：2011-11-04
Applicant: Gyou-Hwan Kim , Han-Seok Kim , Jai-Jin Lim , Sang-Hoon Ryu , Woo-Jae Kim , Seongkwan Kim
Inventor： Gyou-Hwan Kim , Han-Seok Kim , Jai-Jin Lim , Sang-Hoon Ryu , Woo-Jae Kim , Seongkwan Kim
IPC: H04W72/00
CPC classification number: H04W72/005 , H04L45/16 , H04W4/10 , H04W36/026 , H04W40/36 , H04W52/325 , H04W52/50 , H04W76/40
Abstract: An apparatus and method for dynamically allocating a multicast path in a broadband wireless access system are provided. A method for an operation of a server providing a multicast service through a wireless access network includes determining to establish multicast paths for a first Base Station (BS) and at least one neighboring BS of the first BS when a terminal receiving the multicast service enters a network through the first BS, and transmitting a control station a message of instructing to establish the multicast path for a BS not holding the multicast path among the first BS and the at least one neighboring BS of the first BS.
Abstract translation: 提供了一种在宽带无线接入系统中动态分配组播路径的装置和方法。 一种用于通过无线接入网络提供多播服务的服务器的操作的方法包括当接收多播服务的终端进入到第一基站（BS）和第一BS的至少一个相邻BS时，确定建立多播路径 通过第一BS发送网络，以及向控制台发送指示为在第一BS和第一BS的至少一个相邻BS之间保持多播路径的BS建立多播路径的消息。
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6.发明授权公开(公告)号：US08918132B2
公开(公告)日：2014-12-23
申请号：US13292411
申请日：2011-11-09
Applicant: Gyou-Hwan Kim , Jai-Jin Lim , Sang-Hoon Ryu , Jun-Hwan Oh , Woo-Jae Kim , Sung-Kwan Kim
Inventor： Gyou-Hwan Kim , Jai-Jin Lim , Sang-Hoon Ryu , Jun-Hwan Oh , Woo-Jae Kim , Sung-Kwan Kim
CPC classification number: H04W76/005 , H04W4/10 , H04W76/45
Abstract: An apparatus and a method for setting a group communication session using a wireless access system are provided. The method includes transmitting, at a transmission side client, a message requesting start/end of group communication to a control Push To Talk (PTT) server, transmitting, at the control PTT server, a session set/end message including a sequence number to a participating PTT server, multicasting, at the participating PTT server, a connect/disconnect request message N times for at least one reception side client, and setting/releasing, at the at least one reception side client, a session for the group communication.
Abstract translation: 提供了一种使用无线接入系统设置组通信会话的装置和方法。 该方法包括在发送侧客户端发送请求组播通信的开始/结束的消息到控制一键通（PTT）服务器，在控制PTT服务器处发送包括序列号的会话集/结束消息， 参与PTT服务器，在参与PTT服务器处对至少一个接收侧客户端进行多次连接/断开请求消息N次，并且在所述至少一个接收侧客户端设置/释放用于组通信的会话。
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7.发明申请公开(公告)号：US20120115530A1
公开(公告)日：2012-05-10
申请号：US13292411
申请日：2011-11-09
Applicant: Gyou-Hwan KIM , Jai-Jin LIM , Sang-Hoon RYU , Jun-Hwan OH , Woo-Jae KIM , Sung-Kwan KIM
Inventor： Gyou-Hwan KIM , Jai-Jin LIM , Sang-Hoon RYU , Jun-Hwan OH , Woo-Jae KIM , Sung-Kwan KIM
IPC: H04B7/24
CPC classification number: H04W76/005 , H04W4/10 , H04W76/45
Abstract: An apparatus and a method for setting a group communication session using a wireless access system are provided. The method includes transmitting, at a transmission side client, a message requesting start/end of group communication to a control Push To Talk (PTT) server, transmitting, at the control PTT server, a session set/end message including a sequence number to a participating PTT server, multicasting, at the participating PTT server, a connect/disconnect request message N times for at least one reception side client, and setting/releasing, at the at least one reception side client, a session for the group communication.
Abstract translation: 提供了一种使用无线接入系统设置组通信会话的装置和方法。 该方法包括在发送侧客户端发送请求组播通信的开始/结束的消息到控制一键通（PTT）服务器，在控制PTT服务器处发送包括序列号的会话集/结束消息， 参与PTT服务器，在参与PTT服务器处对至少一个接收侧客户端进行多次连接/断开请求消息N次，并且在所述至少一个接收侧客户端设置/释放用于组通信的会话。
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公开(公告)号：US20120069943A1
公开(公告)日：2012-03-22
申请号：US13235897
申请日：2011-09-19
Applicant: Jai Jin LIM , Woo Jae KIM
Inventor： Jai Jin LIM , Woo Jae KIM
IPC: H04L7/00
CPC classification number: H04B7/2662 , H04B7/1851 , H04J3/0641 , H04J3/0644
Abstract: An enhanced base station and clock synchronization method are provided. The method includes scanning to discover a satellite transmitting a satellite signal and a master base station providing clock synchronization signal, entering, when a satellite having a signal that fulfills predetermined conditions is found, a master mode for receiving the satellite signal to acquire clock synchronization and transmitting a clock synchronization signal to at least one slave base station, and entering, when no satellite having a signal that fulfills the predetermined conditions is found, a slave mode for receiving the clock synchronization signal from the master base station to acquire clock synchronization. The method allows the base station to switch between the master and slave modes dynamically according to variation of the communication environment, resulting in efficient clock synchronization.
Abstract translation: 提供增强的基站和时钟同步方法。 该方法包括：扫描发送卫星信号的卫星和提供时钟同步信号的主基站，当发现具有满足预定条件的信号的卫星时，进入用于接收卫星信号以获取时钟同步的主模式， 向至少一个从基站发送时钟同步信号，并且当没有找到具有满足预定条件的信号的卫星时，进入从主基站接收时钟同步信号以获取时钟同步的从模式。 该方法允许基站根据通信环境的变化动态地在主模式和从模式之间切换，从而产生有效的时钟同步。
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