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    • 102. 发明授权
    • Handover method for OFDM wireless communication system
    • OFDM无线通信系统的切换方法
    • US07729313B2
    • 2010-06-01
    • US11156507
    • 2005-06-20
    • Sang-Hoon LeeSung-Hyun ChoSang-Boh Yun
    • Sang-Hoon LeeSung-Hyun ChoSang-Boh Yun
    • H04W4/00
    • H04W36/18H04L5/023H04W16/12H04W36/08H04W48/20
    • An OFDM mobile communication system includes a system controller for dividing an OFDM symbol into a control channel and a data channel, multiplexing the control channel to control subchannels, and allocating the multiplexed control subchannels to base stations. The base stations simultaneously transmit control signals on the control allocated subchannels and data on the data channel. Mobile nodes receive an OFDM symbols with the multiplexed control channels for them and a data channel for selecting a base station according to information in the control subchannels. The mobile node simultaneously processes control subchannels received from two base stations using one physical layer module.
    • OFDM移动通信系统包括:系统控制器,用于将OFDM符号划分为控制信道和数据信道,将控制信道复用到控制子信道,并将多路复用的控制子信道分配给基站。 基站同时发送控制分配子信道上的控制信号和数据信道上的数据。 移动节点接收具有用于它们的多路复用控制信道的OFDM符号和用于根据控制子信道中的信息来选择基站的数据信道。 移动节点使用一个物理层模块同时处理从两个基站接收的控制子信道。
    • 105. 发明申请
    • DATA TRANSFERRING METHOD
    • 数据传输方法
    • US20090313349A1
    • 2009-12-17
    • US12281638
    • 2007-03-06
    • Man-soo JeongIl-gon ParkKoo-yong PakMin-gyu ChungSung-hyun ChoSoo-jung KimKiran Kumar K.
    • Man-soo JeongIl-gon ParkKoo-yong PakMin-gyu ChungSung-hyun ChoSoo-jung KimKiran Kumar K.
    • G06F15/16
    • H04L63/10H04L63/08H04L2463/101
    • A method of transferring data is provided. In the method of transferring data, a secure authenticated channel is established with a receiving entity corresponding to receiver information included in a received control message, when receiving the control message from a control entity, a format of received plurality of data is transformed according to content format transformation information included in the control message, when receiving the plurality of data from a predetermined transmission entity in a chain constructed by a control of the control entity, the transformed plurality of data is transmitted to the receiving entity through the established secure authenticated channel, and an event message for representing a transmission status of the data is transmitted to the control entity. Accordingly, it is possible to transmit the plurality of data through a single transmission session and provide a transmission status of each data through an event.
    • 提供了传送数据的方法。 在传输数据的方法中,当从接收到的控制消息中包含的接收机信息对应的接收实体建立安全认证信道,当从控制实体接收到控制消息时,接收的多个数据的格式根据内容被转换 格式转换信息包括在控制消息中,当从由控制实体的控制构成的链中的预定传输实体接收到多个数据时,经变换的多个数据通过建立的安全认证信道被发送到接收实体, 并且将用于表示数据的传输状态的事件消息发送到控制实体。 因此,可以通过单个传输会话发送多个数据,并且通过事件提供每个数据的传输状态。
    • 107. 发明授权
    • Symbol synchronization method for OFDM-based wireless communication system
    • 基于OFDM的无线通信系统的符号同步方法
    • US07426204B2
    • 2008-09-16
    • US11173626
    • 2005-07-01
    • Sang-Hoon LeeMi-Sun DoSung-Hyun ChoYung-Soo Kim
    • Sang-Hoon LeeMi-Sun DoSung-Hyun ChoYung-Soo Kim
    • H04J3/06
    • H04L27/2602
    • Disclosed is a symbol synchronization method in an OFDM-based communication system which includes multiple access nodes supporting wireless connection of terminals, supports multi-connection of each terminal for the access nodes and performs synchronization by means of a cyclic prefix. The symbol synchronization method includes monitoring connection of a new access node; setting a number of times by which the new access node transmits equal symbols and a number of times by which at least one existing access node transmits the equal symbols when the connection of the new access node is detected; transmitting the equal symbols by the determined number of times by each access node; and performing synchronization by means of the symbols received from the access nodes by the terminal.
    • 公开了一种基于OFDM的通信系统中的符号同步方法,其包括支持终端的无线连接的多个接入节点,支持接入节点的每个终端的多连接,并通过循环前缀进行同步。 符号同步方法包括监视新接入节点的连接; 设置新接入节点在检测到新的接入节点的连接时发送相等符号的次数和多个次数,通过该次数至少一个现有的接入节点发送相等的符号; 通过每个接入节点发送所确定的相等符号次数; 并通过终端从接入节点接收的符号来执行同步。