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    • 4. 发明授权
    • Key distribution in a conditional access system
    • 条件访问系统中的密钥分配
    • US07296159B2
    • 2007-11-13
    • US10667841
    • 2003-09-22
    • Jian ZhangZong Wei LiuLing ShaoDong Xie
    • Jian ZhangZong Wei LiuLing ShaoDong Xie
    • G06F1/24
    • H04N21/26606H04L9/0822H04L9/0836H04L9/0891H04N7/163H04N21/25808H04N21/63345H04N21/6405
    • Methods and apparatus for key distribution in a conditional access system, assuming that the set of all user nodes which the system can accommodate is a complete set, and a subset is composed of all user nodes or part of user nodes. One method comprises: decomposing said subset into at least one secondary subset; assigning a different user key to each secondary subset, each said user key being transmitted to all users in a corresponding secondary subset; encrypting an entitlement key by using each said user key so as to generate a cipher text corresponding to each said secondary subset; and combining said cipher text to generate a media key control block and transmitting said media key control block to all users in said subset. Since a classification method of a binary tree and a multiple tree is used, the invention can save a lot of network resources.
    • 在条件访问系统中密钥分发的方法和装置,假设系统可以容纳的所有用户节点的集合是完整集合,并且子集由所有用户节点或部分用户节点组成。 一种方法包括:将所述子集分解成至少一个次级子集; 将不同的用户密钥分配给每个次要子集,每个所述用户密钥被发送到对应次要子集中的所有用户; 通过使用每个所述用户密钥来加密授权密钥,以便生成对应于每个所述次要子集的密文; 以及组合所述密文以产生媒体密钥控制块,并将所述媒体密钥控制块发送到所述子集中的所有用户。 由于使用二叉树和多树的分类方法,本发明可以节省大量的网络资源。
    • 7. 发明申请
    • Fluxless gang die bonding arrangement
    • US20220005720A1
    • 2022-01-06
    • US16873779
    • 2020-07-02
    • Jian Zhang
    • Jian Zhang
    • H01L21/68H01L21/67H01L21/687H01L21/683H01L23/00
    • The present invention comprises an arrangement and process for the fluxless manufacture of an integrated circuit component, comprising the steps of loading a solder ball and chip arrangement, solder ball side up or down, onto a first or a second donor chuck respectively; monitoring the solder ball and chip arrangement by a computer-controlled camera; removing the solder ball and chip arrangement from the donor chuck by a computer-controlled gripper mechanism; moving the solder ball and chip arrangement via the gripper mechanism onto a computer-controlled gang carrier, the monitored by a second computer controlled camera; flipping the gang carrier about a horizontal axis so as to arrange the solder ball and chip arrangement into an inverted, solder ball side down orientation over a receiver chuck substrate, monitored and positionally controlled by a third computer-controlled camera; and compressing the solder ball side down solder ball and chip arrangement onto the receiver chuck substrate by a computer-controlled compression rod so as to bond the solder ball side down solder ball and chip arrangement onto the receiver chuck substrate so as to form an integrated circuit assembly.
    • 10. 发明授权
    • Method and system for determining reason for too late handover to home eNB
    • 确定到家庭eNB切换过迟的原因的方法和系统
    • US09510253B2
    • 2016-11-29
    • US13520792
    • 2010-04-26
    • Lifeng HanYin GaoLongtao RenJian ZhangShengyao Jin
    • Lifeng HanYin GaoLongtao RenJian ZhangShengyao Jin
    • H04W36/08H04W36/00H04W92/20
    • H04W36/08H04W36/0005H04W36/0016H04W36/0055H04W92/20
    • The present disclosure provides a method for determining a reason for too late handover to a Home eNB (HeNB), and the method includes that: after completing the re-establishment link of Radio. Resource Control (RRC) with User Equipment (UE), the HeNB confirms that a Radio Link Failure (RLF) event occurs when the UE is connected with a cell of another eNodeB; the HeNB generates an RLF Indication message and transmits the RLF Indication message to the another eNodeB, wherein the RLF Indication message includes information of a Closed Subscriber Group (CSG) cell currently accessed by the UE; the another eNodeB determines the reason for too late handover of the UE to the HeNB according to the RLF Indication message. The disclosure also provides a system for determining the reason for too late handover to the HeNB. The present disclosure can determine a specific reason for the RLF, and thereby, can be more useful for improving the configuration of related parameters at the network side.
    • 本公开提供了一种用于确定到家庭eNB(HeNB)的切换过晚的原因的方法,并且该方法包括:完成无线电的重新建立链路之后。 资源控制(RRC)与用户设备(UE),HeNB确认当UE与另一个eNodeB的小区连接时,发生无线链路故障(RLF)事件; HeNB生成RLF指示消息并将RLF指示消息发送到另一个eNodeB,其中RLF指示消息包括UE当前访问的封闭用户组(CSG)小区的信息; 另一个eNodeB根据RLF指示消息确定UE到HeNB的切换过晚的原因。 本公开还提供了一种用于确定到HeNB切换过晚的原因的系统。 本公开可以确定RLF的特定原因,从而可以更有用于改善网络侧的相关参数的配置。