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    • 3. 发明授权
    • Packet transmission method for mobile internet
    • 移动互联网的分组传输方法
    • US07161913B2
    • 2007-01-09
    • US09918095
    • 2001-07-30
    • Tae-Sung Jung
    • Tae-Sung Jung
    • H04Q7/00H04Q7/20H04L12/56
    • H04W8/082H04L63/0272H04W8/26H04W12/02H04W80/04
    • A method for transmitting a data packet from a mobile node to a correspondent node through a foreign agent while maintaining security is disclosed. A correspondent node transmits a first data packet for communication with a mobile node to the home agent. Upon receipt of the first data packet from the home agent, the foreign agent transmits the first data packet to the mobile node through a radio channel. The home agent transmits the IP address of the foreign agent to the correspondent node after transmitting the first data packet to the foreign agent. The correspondent node transmits tunneling indication information indicating whether it can decapsulate a data packet encapsulated by the foreign agent to the foreign agent after receiving the IP address of the foreign agent from the home agent. The foreign agent encapsulates subsequent data packets received from the mobile node with a tunneling IP header for reverse tunneling and transmits the encapsulated data packets to the correspondent node, after receiving the tunneling indication information from the correspondent node.
    • 公开了一种在维护安全性的同时通过外部代理从移动节点向对应节点发送数据分组的方法。 通信节点向归属代理发送用于与移动节点进行通信的第一数据分组。 在从归属代理接收到第一数据分组时,外部代理通过无线电信道向移动节点发送第一数据分组。 归属代理在将第一数据分组发送到外地代理之后,将外部代理的IP地址发送到对端节点。 通信节点在从归属代理接收到外地代理人的IP地址之后,发送指示是否可以将由外地代理封装的数据分组解封装给外地代理的隧道指示信息。 外部代理使用用于反向隧道的隧道IP报头从移动节点封装随后的数据分组,并在从通信节点接收到隧道化指示信息之后,将封装的数据分组发送给对端节点。
    • 8. 发明授权
    • Semiconductor memory device having different data rates in read operation and write operation
    • 在读取操作和写入操作中具有不同数据速率的半导体存储器件
    • US06477110B2
    • 2002-11-05
    • US09930973
    • 2001-08-17
    • Chang-sik YooTae-sung Jung
    • Chang-sik YooTae-sung Jung
    • G11C800
    • G11C7/22G11C7/1051
    • A semiconductor memory device and a system using the semiconductor memory device can perform a data sampling operation safely without a phase synchronization device such as delay locked loop (DLL) or phase locked loop (PLL), wherein the semiconductor memory device incorporates a strobe signal, which is synchronized with a data signal, both traversing similar-length paths between a memory device and a memory controller. In a read operation, the semiconductor memory device generates a first strobe signal synchronized with a read data signal, whereby a read data signal is outputted at both a rising and a falling edge of a strobe signal. In a write operation, a second strobe signal is generated whereby only a single edge is used to generate a write data signal, thereby allowing sufficient time for a data sampling operation to occur and thus operating at half the speed of a read operation.
    • 半导体存储器件和使用半导体存储器件的系统可以安全地执行数据采样操作,而不需要诸如延迟锁定环(DLL)或锁相环(PLL)的相位同步装置,其中半导体存储器件包括选通信号, 其与数据信号同步,两者遍历存储器件和存储器控制器之间的相似长度的路径。 在读取操作中,半导体存储器件产生与读取数据信号同步的第一选通信号,从而在选通信号的上升沿和下降沿都输出读取数据信号。 在写入操作中,产生第二选通信号,由此仅使用单个边沿来产生写数据信号,从而允许发生足够的时间进行数据采样操作,从而以读操作的一半的速度运行。