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    SYSTEM AND METHOD FOR UTILIZING SPECTRUM OPERATION MODES IN DYNAMIC SPECTRUM ACCESS SYSTEMS
    1.
    发明申请
    SYSTEM AND METHOD FOR UTILIZING SPECTRUM OPERATION MODES IN DYNAMIC SPECTRUM ACCESS SYSTEMS 审中-公开
    在动态光谱访问系统中利用光谱操作模式的系统和方法

    公开(公告)号：US20100232380A1

    公开(公告)日：2010-09-16

    申请号：US12720031

    申请日：2010-03-09

    申请人： Young-June Choi ,  Dragos Niculescu ,  Ashwini Kumar

    发明人： Young-June Choi ,  Dragos Niculescu ,  Ashwini Kumar

    IPC分类号： H04W4/00

    CPC分类号： H04W72/082 ,  H04W16/14 ,  H04W74/0808

    摘要： A system and method for enabling primary and secondary user coexistence for a wireless system includes performing spectrum sensing in a channel to determine primary user usage in a first mode of operation. It is determined whether the primary user usage includes a pattern of usage. If a pattern of usage is detected, a second mode of operation is engaged which includes at least reducing spectrum sensing by a secondary user to permit secondary user usage of the channel.

    摘要翻译： 用于使得无线系统的主用户和次用户共存的系统和方法包括在信道中执行频谱感测以确定在第一操作模式中的主要用户使用。 确定主用户使用是否包括使用模式。 如果检测到使用模式，则采用第二操作模式，其包括至少减少次级用户的频谱感测以允许次要用户使用该频道。

    Handover method for next generation mobile communication system having overlapping area
    2.
    发明授权
    Handover method for next generation mobile communication system having overlapping area 有权
    具有重叠区域的下一代移动通信系统的切换方法

    公开(公告)号：US07353029B2

    公开(公告)日：2008-04-01

    申请号：US11177037

    申请日：2005-07-08

    申请人： Young-June Choi ,  Mi-Sun Do ,  Seung-Young Park ,  Sung-Hyun Cho ,  Sae-Woong Bahk ,  Neung-Hyung Lee

    发明人： Young-June Choi ,  Mi-Sun Do ,  Seung-Young Park ,  Sung-Hyun Cho ,  Sae-Woong Bahk ,  Neung-Hyung Lee

    IPC分类号： H04Q7/20

    CPC分类号： H04W36/12 ,  H04W74/00 ,  H04W80/00

    摘要： Disclosed is a handover method for an IP-based next generation mobile communication system. With a handover method including 1) determining whether or not a predetermined mobile terminal goes into the overlapping area; 2) starting a Layer 3 (L3) handover operation between the neighboring access routers as the mobile terminal goes into the overlapping area; 3) if the Layer 3 handover operation between the neighboring access routers is completed, establishing a data path for the mobile terminal to pass through an access router after the Layer 3 handover; 4) if the mobile terminal leaves a cell area including the mobile terminal in steps 2) and 3), performing by the mobile terminal Layer 2 handover between cells and receiving by the mobile terminal data through a cell base station after the Layer 2 handover and an access router before the Layer 3 handover; and 5) if the mobile terminal leaves a cell area including the mobile terminal after step 3), performing by the mobile terminal Layer 2 handover between cells and receiving by the mobile terminal data through a cell base station after the Layer 2 handover and an access router after the Layer 3 handover.

    摘要翻译： 公开了一种用于基于IP的下一代移动通信系统的切换方法。 一种切换方法，包括：1）确定预定的移动终端是否进入重叠区域; 2）当移动终端进入重叠区域时，开始相邻接入路由器之间的第3层（L3）切换操作; 3）如果相邻接入路由器之间的第3层切换操作完成，则在第3层切换之后建立移动终端通过接入路由器的数据路径; 4）如果移动终端在步骤2）和3）中离开包括移动终端的小区区域，则由移动终端执行第2层小区之间的切换，并且在第2层切换之后由移动终端通过小区基站接收数据;以及 第三层交换之前的接入路由器; 以及5）如果移动终端在步骤3之后离开包括移动终端的小区区域），则由移动终端执行第2层小区之间的切换，并且在第2层切换之后由移动终端通过小区基站接收数据和接入 路由器在第3层切换之后。

    Random access method in multi-cell OFDMA networks
    3.
    发明申请
    Random access method in multi-cell OFDMA networks 审中-公开
    多小区OFDMA网络中的随机接入方法

    公开(公告)号：US20060045047A1

    公开(公告)日：2006-03-02

    申请号：US11212272

    申请日：2005-08-26

    申请人： Young-June Choi ,  Sae-Woong Bahk ,  Jung-Hyon Jun ,  Sang-Boh Yun

    发明人： Young-June Choi ,  Sae-Woong Bahk ,  Jung-Hyon Jun ,  Sang-Boh Yun

    IPC分类号： H04Q7/00

    CPC分类号： H04L23/02 ,  H04L5/0007 ,  H04L5/0053 ,  H04W74/0866 ,  H04W74/0883

    摘要： Disclosed is an upstream access method in an Orthogonal Frequency Division Multiple Access (OFDMA)-based mobile communication system in which a random access method in an OFDMA network includes randomly selecting, by each subscriber device, one of a plurality uplink random access channels, if a random access request to the OFDMA network is transmitted by each subscriber device, accessing through the selected channel if a collision has not occurred in the selected channel, randomly selecting one of the uplink random access channels, if a collision has occurred in the selected channel, and if the number of retries for channel selection is less than a predetermined value, and determining whether a has collision has occurred, accessing through a finally selected channel, if it is determined that a collision has occurred; and randomly selecting one of the uplink random access channels if it is determined that a collision has occurred.

    摘要翻译： 公开了一种基于正交频分多址（OFDMA）的移动通信系统中的上行接入方法，其中OFDMA网络中的随机接入方法包括：由每个用户设备随机选择多个上行随机接入信道之一，如果 如果所选择的信道中已经发生冲突，则每个用户设备发送对OFDMA网络的随机接入请求，如果所选择的信道中没有发生冲突，则随机选择上行链路随机接入信道中的一个，通过所选择的信道进行接入 并且如果用于频道选择的重试次数小于预定值，并且确定是否已经发生冲突，则通过最终选择的频道进行访问，如果确定已经发生了冲突; 并且如果确定已经发生冲突，则随机选择一个上行链路随机接入信道。

    Resource allocation method in a multicarrier communication system
    4.
    发明授权
    Resource allocation method in a multicarrier communication system 有权
    多载波通信系统中的资源分配方法

    公开(公告)号：US07542441B2

    公开(公告)日：2009-06-02

    申请号：US11167686

    申请日：2005-06-27

    申请人： Young-June Choi ,  Sang-Boh Yun ,  Won-Hyoung Park ,  Sae-Woong Bahk ,  Jong-Tack Kim

    发明人： Young-June Choi ,  Sang-Boh Yun ,  Won-Hyoung Park ,  Sae-Woong Bahk ,  Jong-Tack Kim

    IPC分类号： H04W4/00

    CPC分类号： H04L5/0067 ,  H04L5/0007 ,  H04L5/0023 ,  H04L5/0037 ,  H04L5/006 ,  H04L5/0094 ,  H04W72/1226

    摘要： A resource allocation method in a multicarrier communication system where a base station allocates resources to a plurality of mobile stations according to feedback channel information from the mobile stations. The base station receives a resource request message from each mobile station and selects a set of mobile stations offering a maximum system gain without overlapped resources at a specific point in time based on the resource request messages from all mobile stations in the system. The requested resources and then allocated to the selected mobile stations.

    摘要翻译： 一种多载波通信系统中的资源分配方法，其中基站根据来自移动台的反馈信道信息向多个移动站分配资源。 基站从各移动站接收资源请求消息，并根据来自系统中所有移动台的资源请求消息，选择提供最大系统增益的一组移动站，而不需要在特定时间点重叠的资源。 所请求的资源，然后分配给选定的移动台。

    Scheduling method in a wireless network
    5.
    发明申请
    Scheduling method in a wireless network 审中-公开
    无线网络中的调度方法

    公开(公告)号：US20060126559A1

    公开(公告)日：2006-06-15

    申请号：US11304197

    申请日：2005-12-15

    申请人： Jung-Hyun Jun ,  Young-June Choi ,  Sae-Woong Bahk ,  Ok-Seon Lee

    发明人： Jung-Hyun Jun ,  Young-June Choi ,  Sae-Woong Bahk ,  Ok-Seon Lee

    IPC分类号： H04Q7/00 ,  H04L12/56

    CPC分类号： H04W72/1242 ,  H04L12/2854 ,  H04L47/10 ,  H04L47/14 ,  H04L47/2433 ,  H04W72/1289

    摘要： A method for performing scheduling on tasks formed for communication between a plurality of nodes in a wireless network having the nodes and a coordinator for coordinating communication between the nodes. Each of the nodes calculates an affinity for at least one task in which the corresponding node participates, and transmits the calculated task affinity to the coordinator. The coordinator assigns priorities to the tasks in the order of level of the task affinities received from the nodes, and transmits the assigned priorities to the nodes.

    摘要翻译： 一种用于对具有节点的无线网络中的多个节点之间的通信形成的任务执行调度的方法和用于协调节点之间的通信的协调器。 每个节点计算对于相应节点参与的至少一个任务的亲和度，并将所计算的任务亲和度发送到协调器。 协调器按照从节点接收的任务亲和度的级别对任务分配优先级，并将分配的优先级发送到节点。

    Handover method for next generation mobile communication system having overlapping area
    7.
    发明申请
    Handover method for next generation mobile communication system having overlapping area 有权
    具有重叠区域的下一代移动通信系统的切换方法

    公开(公告)号：US20060046722A1

    公开(公告)日：2006-03-02

    申请号：US11177037

    申请日：2005-07-08

    申请人： Young-June Choi ,  Mi-Sun Do ,  Seung-Young Park ,  Sung-Hyun Cho ,  Sae-Woong Bahk ,  Neung-Hyung Lee

    发明人： Young-June Choi ,  Mi-Sun Do ,  Seung-Young Park ,  Sung-Hyun Cho ,  Sae-Woong Bahk ,  Neung-Hyung Lee

    IPC分类号： H04Q7/00

    CPC分类号： H04W36/12 ,  H04W74/00 ,  H04W80/00

    摘要： Disclosed is a handover method for an IP-based next generation mobile communication system. With a handover method including 1) determining whether or not a predetermined mobile terminal goes into the overlapping area; 2) starting a Layer 3 (L3) handover operation between the neighboring access routers as the mobile terminal goes into the overlapping area; 3) if the Layer 3 handover operation between the neighboring access routers is completed, establishing a data path for the mobile terminal to pass through an access router after the Layer 3 handover; 4) if the mobile terminal leaves a cell area including the mobile terminal in steps 2) and 3), performing by the mobile terminal Layer 2 handover between cells and receiving by the mobile terminal data through a cell base station after the Layer 2 handover and an access router before the Layer 3 handover; and 5) if the mobile terminal leaves a cell area including the mobile terminal after step 3), performing by the mobile terminal Layer 2 handover between cells and receiving by the mobile terminal data through a cell base station after the Layer 2 handover and an access router after the Layer 3 handover.

    摘要翻译： 公开了一种用于基于IP的下一代移动通信系统的切换方法。 一种切换方法，包括：1）确定预定的移动终端是否进入重叠区域; 2）当移动终端进入重叠区域时，开始相邻接入路由器之间的第3层（L3）切换操作; 3）如果相邻接入路由器之间的第3层切换操作完成，则在第3层切换之后建立移动终端通过接入路由器的数据路径; 4）如果移动终端在步骤2）和3）中离开包括移动终端的小区区域，则由移动终端执行第2层小区之间的切换，并且在第2层切换之后由移动终端通过小区基站接收数据;以及 第三层交换之前的接入路由器; 以及5）如果移动终端在步骤3之后离开包括移动终端的小区区域），则由移动终端执行第2层小区之间的切换，并且在第2层切换之后由移动终端通过小区基站接收数据和接入 路由器在第3层切换之后。