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    • 6. 发明申请
    • BASE STATIONS AND RESOURCE ALLOCATION METHODS THEREOF
    • 基站和资源分配方法
    • US20120155402A1
    • 2012-06-21
    • US13330641
    • 2011-12-19
    • Hyung Jin KIMSeong Chul CHODaeho KIMYeong Jin KIM
    • Hyung Jin KIMSeong Chul CHODaeho KIMYeong Jin KIM
    • H04W72/04
    • H04W72/0466H04J13/004H04J13/18H04L5/0019H04L5/0037H04L5/0094H04W72/0413
    • Provided is a base station. The base station includes a transceiver, a frequency allocation unit, and an orthogonal code allocation unit. The transceiver communicates with a terminal. The frequency allocation unit allocates a frequency resource to the terminal through the transceiver. The orthogonal code allocation unit generates an orthogonal code index table including a plurality of orthogonal code combinations, and allocates one of the orthogonal code combinations included in the orthogonal code index table to each terminal, to which the frequency resource has been allocated for a service request of the terminal, through the transceiver not to multiply be allocated. At least one of a plurality of orthogonal codes included in the orthogonal code combination is orthogonal to at least one of a plurality of orthogonal codes included in an orthogonal code combination allocated to another terminal.
    • 提供了一个基站。 基站包括收发机,频率分配单元和正交码分配单元。 收发器与终端通信。 频率分配单元通过收发器向终端分配频率资源。 正交码分配单元生成包括多个正交码组合的正交码索引表,并将包括在正交码索引表中的正交码组合中的一个分配给已经为其分配了服务请求的每个终端 的终端,通过收发器不要倍增分配。 包括在正交码组合中的多个正交码中的至少一个正交于分配给另一终端的正交码组合中包括的多个正交码中的至少一个。
    • 8. 发明申请
    • METHOD OF ADMISSION CONTROL FOR HYBRID FEMTOCELL
    • 混合FEMTOCELL的入侵控制方法
    • US20120064906A1
    • 2012-03-15
    • US13233452
    • 2011-09-15
    • Seung Que LEENam Hoon PARKYeong Jin KIM
    • Seung Que LEENam Hoon PARKYeong Jin KIM
    • H04W72/00
    • H04W74/002H04W8/24H04W64/006H04W74/004H04W74/006H04W84/045
    • Provided is a method of admission control for a hybrid femtocell in a wireless communication system, in which the method is applied to a wireless communication system including a hybrid femto base station and a core network performing admission control of a mobile station terminal in a femtocell of the hybrid femto base station. The method of admission control for a hybrid femtocell performed by a core network according to an exemplary embodiment of the present invention includes determining whether a mobile station terminal has membership; determining whether speed information of the mobile station terminal exists; and assigning a probability value to the mobile station terminal depending on the membership and the speed information of the mobile station terminal
    • 提供了一种无线通信系统中的混合式毫微微小区的接纳控制方法,其中该方法应用于包括混合毫微微基站和核心网络的无线通信系统,核心网络执行毫微微小区中的移动台终端的接纳控制 混合毫微微基站。 根据本发明的示例性实施例的由核心网执行的混合式毫微微小区的接纳控制方法包括确定移动台终端是否具有成员资格; 确定移动台终端的速度信息是否存在; 以及根据移动台终端的隶属度和速度信息向移动台终端分配概率值
    • 9. 发明授权
    • Method for security association negotiation with extensible authentication protocol in wireless portable internet system
    • 无线便携式互联网系统中可扩展认证协议的安全关联协商方法
    • US08127136B2
    • 2012-02-28
    • US11661172
    • 2005-02-17
    • Mi-Young YunJung-Mo MoonChul-Sik YoonYeong-Jin Kim
    • Mi-Young YunJung-Mo MoonChul-Sik YoonYeong-Jin Kim
    • H04L9/32G06F7/04H04K1/00
    • H04W12/06H04L63/061H04L63/0892H04L63/164H04L63/205H04W12/04H04W36/0038
    • The present invention relates to a security association negotiation method of extensible authentication protocol (EAP) for authenticating a subscriber station user in a wireless portable Internet system. An exemplary security association negotiation method using a user authentication in a wireless portable Internet system according to an embodiment of the present invention includes following steps. A base station generates an authentication key for authenticating a user of a subscriber station. The base station receives a security association capability request message including security association capability information of the subscriber station from the subscriber station after generating the authentication key. The base station determines whether the base station is able to accept a security association capability of the subscriber station included in the security association capability request message. The base station transmits a security association capability response message including the security association capability information which is selected for a security association with the subscriber station by the base station when the security association capability of the subscriber station can be accepted. According to the present invention, a subscriber authentication for EAP may be efficiently performed without an additional message after a handover.
    • 本发明涉及一种用于在无线便携式互联网系统中认证用户站用户的可扩展认证协议(EAP)的安全关联协商方法。 根据本发明的实施例的在无线便携式因特网系统中使用用户认证的示例性安全关联协商方法包括以下步骤。 基站生成用于认证用户台的用户的认证密钥。 生成认证密钥后,基站从用户站接收包含用户台的安全关联能力信息的安全关联能力请求消息。 基站确定基站是否能够接受包括在安全关联能力请求消息中的用户站的安全关联能力。 当可以接受用户站的安全关联能力时,基站发送安全关联能力响应消息,该安全关联能力响应消息包括由基站在与用户台进行安全关联时选择的安全关联能力信息。 根据本发明,可以在切换之后没有附加消息有效地执行用于EAP的用户认证。
    • 10. 发明授权
    • Method of vertical handoff
    • 垂直切换方法
    • US08064911B2
    • 2011-11-22
    • US11636045
    • 2006-12-08
    • Won-Ik KimBong-Ju LeeSeung-Kwon BaekSoo-Chang KimYeon-Seung ShinYeong-Jin Kim
    • Won-Ik KimBong-Ju LeeSeung-Kwon BaekSoo-Chang KimYeon-Seung ShinYeong-Jin Kim
    • H04W36/00
    • H04W36/30H04W36/04H04W88/06Y02D70/10
    • The present invention relates to a vertical handoff method. According to the present invention, a serving network of a mobile station is determined. Herein, the mobile station that can access a first network having relatively wide service coverage and a second network having relatively narrow service coverage in an area where service coverages of heterogeneous networks are overlapped. When accessing the serving network of the first network, it is determined whether a received signal strength received from the second network is greater than a first threshold value. In addition, a first vertical handoff is decided by using a result of prediction of a transition pattern of the received signal strength that is greater than the first threshold value. When the serving network is the second network, it is determined whether the received signal strength received from the second network is less than a second threshold value. By using a result of prediction of a transition pattern of the received signal strength that is less than the second threshold value, a second vertical handoff is decided. Herein, the first threshold value is greater than the second threshold value.
    • 本发明涉及垂直切换方法。 根据本发明,确定移动台的服务网络。 这里,可以访问具有相对较宽服务覆盖范围的第一网络的移动站和在异构网络的服务覆盖区域重叠的区域中具有相对窄的业务覆盖的第二网络。 当访问第一网络的服务网络时,确定从第二网络接收的接收信号强度是否大于第一阈值。 此外,通过使用接收信号强度的转变模式的预测结果大于第一阈值来确定第一垂直切换。 当服务网络是第二网络时,确定从第二网络接收的接收信号强度是否小于第二阈值。 通过使用小于第二阈值的接收信号强度的转换模式的预测结果,决定第二垂直切换。 这里,第一阈值大于第二阈值。