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    • 2. 发明申请
    • METHODS FOR OPTIMIZED TUNNEL HEADERS IN A MOBILE NETWORK
    • 移动网络中优化的隧道头的方法
    • WO2008054973A3
    • 2008-06-26
    • PCT/US2007081052
    • 2007-10-11
    • MOTOROLA INCVENKITARAMAN NARAYANANNARAYANAN VIDYA
    • VENKITARAMAN NARAYANANNARAYANAN VIDYA
    • H04L12/28
    • H04L12/4633H04L69/16H04L69/161H04W8/26H04W28/06H04W80/04
    • A sending device replaces (204, 206, 208) an original Internet Protocol (IP) header in a packet with a shim that includes information copied from the IP header, such that the resultant packet being sent from a source device to a destination device has a shim that is smaller in byte size than the header that it replaces. The receiving device copies some different information from the original header into another header. The sending device can further optimize the packet by: eliminating an IP header associated with a security protocol; eliminating a mobility tunnel for a node behind a mobile router (MR); and selective use of a security tunnel for the MR. A receiving device, upon receiving the optimized packet, restores the original IP header using the information in the shim (and other header(s)) and restores any other headers that were removed prior to forwarding the packet toward its intended destination.
    • 发送设备用包含从IP报头复制的信息的垫片替换分组中的原始互联网协议(IP)头部,从而从源设备发送到目的地设备的结果包具有(204,206,208) 字节大小小于它替换的标题的垫片。 接收设备将一些不同的信息从原始报头复制到另一个报头。 发送设备可以通过以下方式进一步优化分组:消除与安全协议相关联的IP报头; 消除移动路由器(MR)后面的节点的移动性隧道; 并选择性地使用MR的安全隧道。 接收设备在接收到优化的分组后,使用垫片(和其他头部)中的信息来恢复原始IP报头,并恢复在将数据包转发到其预定目的地之前被去除的任何其他报头。
    • 7. 发明申请
    • METHOD AND APPARATUS FOR GENERATING SESSION KEYS
    • 用于生成会话密钥的方法和设备
    • WO2006115741B1
    • 2007-02-22
    • PCT/US2006013126
    • 2006-04-07
    • MOTOROLA INCVENKITARAMAN NARAYANANNAKHJIRI MADJID F
    • VENKITARAMAN NARAYANANNAKHJIRI MADJID F
    • H04W12/04
    • H04L63/067H04W12/04H04W36/0038
    • Nonce exchange (figure 2) with a target BS is performed even when the MS connected to the source BS so when the mobile reaches the new BS. it will be able to create a fresh key quickly. Alternately, the MS can provide the nonce directly to the target BS immediately (or very soon) upon handing over. In a similar manner, the mobile will require the target BS nonce via one of several techniques. In a first embodiment of the present invention the target BS will share the BS nonce with the source BS which will provide the nonce to the MS. In a second embodiment of the present invention the target BS will transmit the nonce over-the-air to the MS as part to the initial exchange leading to the set up of the wireless link between the MS and the target BS.
    • 即使当连接到源BS的移动台到达新的BS时,也执行与目标BS的随机数交换(图2)。 它将能够快速创建一个新的密钥。 或者,MS可以在移交时立即(或很快)将该随机数直接提供给目标BS。 以类似的方式,移动台将通过几种技术之一需要目标BS随机数。 在本发明的第一实施例中,目标BS将与将向MS提供nonce的源BS共享BS nonce。 在本发明的第二实施例中,目标BS将向MS发送随机数,作为导致建立MS与目标BS之间的无线链路的初始交换的一部分。