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    • 81. 发明授权
    • Apparatus and method for testing web service interoperability
    • 用于测试Web服务互操作性的装置和方法
    • US08423620B2
    • 2013-04-16
    • US12850150
    • 2010-08-04
    • Chang-Sup KeumSang-Ki KimByung-Sun Lee
    • Chang-Sup KeumSang-Ki KimByung-Sun Lee
    • G06F15/16G06F15/173
    • G06F11/3684G06F11/3688
    • An apparatus and method for testing web service interoperability. The apparatus includes a state model generator generating a state model of a composition system expressing an operation of exchanging a message when web services interoperate with each other as a state machine on the basis of content of a simple object access protocol (SOAP) service description language (SSDL) web service specification, a test structure generator generating a web service test structure by including information about an operating environment in which a web service test is carried out in a composition system structure that includes structured information about web services performing a message exchange operation, a test case generator generating a test case including definitions of execution functions for testing whether or not the web services interoperate with each other according to a message exchange operation sequence defined in the SSDL specification, from the state model of the composition system and information about the web service test structure, and a test case executor inputting a value to the test case to cause test target web services to execute the test case and testing whether the web services interoperate with each other according to the message exchange operation sequence defined in the SSDL specification.
    • 一种用于测试Web服务互操作性的设备和方法。 该装置包括状态模型生成器,其基于简单对象访问协议(SOAP)服务描述语言的内容,生成表示当web服务彼此互操作的状态机时交换消息的操作的组合系统的状态模型 (SSDL)web服务规范,测试结构生成器,其通过在包括关于进行消息交换操作的web服务的结构化信息的组合系统结构中包括关于执行web服务测试的操作环境的信息来生成Web服务测试结构 生成测试用例生成测试用例,其包括执行功能的定义,用于根据组合系统的状态模型和关于组合系统的信息,根据SSDL规范中定义的消息交换操作序列来测试Web服务是否互相互操作 Web服务测试结构和测试卡 e执行者向测试用例输入一个值,使测试对象Web服务执行测试用例,并根据SSDL规范中定义的消息交换操作顺序,测试Web服务是否互相互操作。
    • 85. 发明授权
    • MDCT domain post-filtering apparatus and method for quality enhancement of speech
    • MDCT域后置滤波装置及语音质量提升方法
    • US08315853B2
    • 2012-11-20
    • US12155542
    • 2008-06-05
    • Hyun-woo KimJong-mo SungMi-suk LeeDo-young KimByung-sun Lee
    • Hyun-woo KimJong-mo SungMi-suk LeeDo-young KimByung-sun Lee
    • G06F15/00G10L11/00G10L19/00G10L21/00G10L19/14G10L19/12G10L21/02
    • G10L19/26G10L19/0212
    • A post-filtering apparatus and method for speech enhancement in a modified discrete cosine transform (MDCT) domain are disclosed. In the apparatus and method, previous and current MDCT coefficients are used for obtaining a speech spectrum coefficient similar to a real speech spectrum, and a convex function is used for transforming the speech spectrum coefficient and obtaining a post-filter coefficient so that difference can increase in the case where the speech spectrum coefficient is small but decrease in the case where the coefficient is large. Then, the post-filter coefficient is applied to the MDCT coefficient. With this configuration, both the current and previous MDCT values are used, so that it is possible to obtain a spectrum coefficient similar to the real speech spectrum and to obtain a more accurate filter coefficient. Further, the coefficient is adaptively transformed through the convex function, thereby enhancing speech quality.
    • 公开了一种用于修正的离散余弦变换(MDCT)域中的语音增强的后置滤波装置和方法。 在该装置和方法中,先前和当前的MDCT系数被用于获得类似于真实语音频谱的语音频谱系数,并且使用凸函数来变换语音频谱系数并获得后置滤波器系数,使得差值可以增加 在语音频谱系数小的情况下,在系数大的情况下减少。 然后,将后滤波器系数应用于MDCT系数。 利用该配置,使用当前和先前的MDCT值,使得可以获得与真实语音频谱相似的频谱系数并获得更准确的滤波器系数。 此外,系数通过凸函数自适应地变换,从而提高语音质量。
    • 90. 发明申请
    • METHOD OF AUTHENTICATION CONTROL OF ACCESS NETWORK IN HANDOVER OF MOBILE NODE, AND SYSTEM THEREOF
    • 移动节点切换中接入网络的认证控制方法及其系统
    • US20100241756A1
    • 2010-09-23
    • US12528519
    • 2008-07-07
    • Hyun-woo LeeKwi-hoon KimWon RyuByung-sun Lee
    • Hyun-woo LeeKwi-hoon KimWon RyuByung-sun Lee
    • G06F15/16G06F21/00
    • H04W36/0038H04W12/06H04W36/0016H04W80/02H04W80/04
    • Provided are a method and a system for controlling access authentication in the process of a handover. The method of controlling access authentication in the process of handover of a mobile node in a network that consists of a core network and a plurality of access networks, the method comprising: when the mobile node initially accesses a first access network, performing access authentication of the mobile node and registering and managing the authentication information by using a user profile server, and searching for a host channel adaptor adjacent to the mobile node and transmitting identification, a profile, and authentication information of the mobile node to a network access server, in which the searched host channel adaptor is mounted, by using a mobility control server; when the mobile node moves to a second access network, performing a handover procedure and performing re-access authentication procedure by transferring authentication information regarding the handover to a network access server which is included in the second access network; and after performing the re-access authentication procedure, searching for a host channel adaptor adjacent to the mobile node and transmitting authentication information to a network access server which includes the searched host channel adaptor by using the mobility control server. Accordingly, an access delay time in the process of a handover can be reduced.
    • 提供了一种用于在切换过程中控制访问认证的方法和系统。 在由核心网络和多个接入网络组成的网络中的移动节点的切换过程中控制接入认证的方法,所述方法包括:当所述移动节点最初访问第一接入网络时,执行接入认证 移动节点,并且通过使用用户简档服务器注册和管理认证信息,并且搜索与移动节点相邻的主机信道适配器,并向网络接入服务器发送移动节点的标识,配置文件和认证信息, 通过使用移动性控制服务器来安装搜索到的主机信道适配器; 当移动节点移动到第二接入网络时,执行切换过程并通过将关于切换的认证信息传送到包括在第二接入网络中的网络接入服务器来执行重新接入认证过程; 并且在执行重新访问认证过程之后,搜索与移动节点相邻的主机信道适配器,并通过使用移动性控制服务器向包括搜索到的主机信道适配器的网络接入服务器发送认证信息。 因此,可以减少切换过程中的访问延迟时间。