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    POWER MEASUREMENT OF RECEIVED CDMA SIGNALS USING SOFT THRESHOLD PREPROCESSING AFTER CORRELATION
    1.
    发明申请
    POWER MEASUREMENT OF RECEIVED CDMA SIGNALS USING SOFT THRESHOLD PREPROCESSING AFTER CORRELATION 审中-公开
    在相关后使用软阈预处理的CDMA信号的功率测量

    公开(公告)号：WO2004012357A1

    公开(公告)日：2004-02-05

    申请号：PCT/US2003/023812

    申请日：2003-07-29

    Applicant: INTERDIGITAL TECHNOLOGY CORPORATION

    Inventor： TYRA, Fryderyk ,  GUCCIONE, Louis, J.

    IPC: H04B1/707

    CPC classification number: H04B1/7103 ,  H04B1/707 ,  H04B1/70755 ,  H04B1/709 ,  H04B17/26 ,  H04B17/327 ,  H04W52/24

    Abstract: A received power of a code division multiple access (CDMA) signal is determined. Samples of a spectrum associated with the received CDMA signal are taken as received samples (108), which are then correlated with a code of the CDMA signal (110). For correlated samples below a first threshold, those correlated samples are processed by being made to zero. For samples between the first threshold and a second threshold (114), those correlated samples are processed by rescaling (116). The correlated samples above the second threshold are passed unchanged. The received power level of the received CDMA signal is determined using the correlated samples after the processing.

    Abstract translation: 确定码分多址（CDMA）信号的接收功率。 将与所接收的CDMA信号相关联的频谱的样本作为接收样本（108），然后与CDMA信号（110）的码相关。 对于低于第一阈值的相关样本，这些相关样本被处理为零。 对于第一阈值和第二阈值（114）之间的样本，通过重新缩放处理那些相关样本（116）。 高于第二阈值的相关样本未改变。 接收到的CDMA信号的接收功率电平是在处理之后使用相关采样来确定的。

    METHOD AND SYSTEM FOR SECURING WIRELESS COMMUNICATIONS
    2.
    发明申请
    METHOD AND SYSTEM FOR SECURING WIRELESS COMMUNICATIONS 审中-公开
    用于安全无线通信的方法和系统

    公开(公告)号：WO2007124054A2

    公开(公告)日：2007-11-01

    申请号：PCT/US2007/009666

    申请日：2007-04-18

    Applicant: INTERDIGITAL TECHNOLOGY CORPORATION ,  GUCCIONE, Louis, J. ,  CHA, Inhyok ,  REZNIK, Alexander ,  YE, Chunxuan ,  RACHA, Renuka

    Inventor： GUCCIONE, Louis, J. ,  CHA, Inhyok ,  REZNIK, Alexander ,  YE, Chunxuan ,  RACHA, Renuka

    IPC: H04L29/06

    CPC classification number: H04L63/061 ,  H04L9/0875 ,  H04L9/0891 ,  H04L63/083 ,  H04L2209/80 ,  H04W12/02 ,  H04W12/04 ,  H04W80/02

    Abstract: A wireless transmit/receive unit (WTRU) and a Node B, respectively, perform joint randomness not shared by others (JRNSO) measurement to generate JRNSO bits based on a channel estimate between the WTRU and the Node B. The WTRU and the Node B then perform a reconciliation procedure to generate a common JRNSO bits. The Node B sends the common JRNSO bits to a serving network. The WTRU and the SN secure a session key (such as an integrity key, a cipher key and an anonymity key), using the common JRNSO bits. The JRNSO measurements are performed on an on-going basis, and the session key is updated using a new set of common JRNSO bits. The JRNSO bits may be expanded by using a pseudorandom number generator (PNG) or a windowing technique. A handover may be intentionally induced to increase the JRNSO bits generation rate.

    Abstract translation: 无线发送/接收单元（WTRU）和节点B分别基于WTRU和节点B之间的信道估计来执行其他人不共享的联合随机（JRNSO）测量以生成JRNSO比特。WTRU和节点B 然后执行协调过程以生成公共的JRNSO位。 节点B将公共JRNSO比特发送到服务网络。 WTRU和SN使用公共JRNSO比特来保护会话密钥（诸如完整性密钥，加密密钥和匿名密钥）。 JRNSO测量在持续的基础上执行，会话密钥使用一组常见的JRNSO位进行更新。 可以通过使用伪随机数生成器（PNG）或开窗技术来扩展JRNSO比特。 可以有意地引起切换以增加JRNSO比特生成速率。

    AN IMPROVED APPARATUS AND METHOD FOR PERFORMING INITIAL CELL SEARCH IN WIRELESS COMMUNICATION SYSTEMS
    6.
    发明申请
    AN IMPROVED APPARATUS AND METHOD FOR PERFORMING INITIAL CELL SEARCH IN WIRELESS COMMUNICATION SYSTEMS 审中-公开
    在无线通信系统中执行初始小区搜索的改进设备和方法

    公开(公告)号：WO2003001711A1

    公开(公告)日：2003-01-03

    申请号：PCT/US2002/011669

    申请日：2002-04-15

    Applicant: INTERDIGITAL TECHNOLOGY CORPORATION

    Inventor： CHITRAPU, Prabhakar, R. ,  GUCCIONE, Louis, J. ,  BEDNARZ, Andrew, F.

    IPC: H04J3/06

    CPC classification number: H04B1/70735 ,  H04B1/7083

    Abstract: The system and method of the present invention establishes a communication link (Fig. 3) between a user equipment (4) and a base station (2) in a communication system having a plurality of base stations which each transmit a common primary synchronization code (PSC) in a primary synchronization channel in conjunction with a base station specific secondary synchronization code within a system frame (Fig. 2), which receives with the UE an input signal including the PSC and SSC from at least one of the base stations. The UE analyzes the input signal to detect any received PSCs within a selected time period which has duration corresponding to the length of a system frame and determining a relative location of a strongest PSC (26) within the selected time period. The input signal is then processed to remove the PSC from at least the determined PSC location. A secondary synchronization code (SSC) is then detected for the determined location from the processed signal. The communication link is then established using the detected SSCs.

    Abstract translation: 本发明的系统和方法在具有多个基站的通信系统中在用户设备（4）和基站（2）之间建立通信链路（图3），每个基站发送公共主同步码（ PSC）与主系统帧（图2）中的基站特定辅助同步码结合在主同步信道中，其从UE接收来自至少一个基站的包括PSC和SSC的输入信号。 UE分析输入信号以检测在所选择的时间段内的任何接收到的PSC，其具有对应于系统帧的长度的持续时间，并且确定所选择的时间段内最强PSC（26）的相对位置。 然后处理输入信号以从至少所确定的PSC位置移除PSC。 然后从处理的信号中检测出确定位置的次同步码（SSC）。 然后使用检测到的SSCs建立通信链路。

    TECHNIQUES FOR SECURE CHANNELIZATION BETWEEN UICC AND A TERMINAL
    7.
    发明申请
    TECHNIQUES FOR SECURE CHANNELIZATION BETWEEN UICC AND A TERMINAL 审中-公开
    UICC和终端之间安全通道的技术

    公开(公告)号：WO2009046400A1

    公开(公告)日：2009-04-09

    申请号：PCT/US2008/078893

    申请日：2008-10-06

    Applicant: INTERDIGITAL TECHNOLOGY CORPORATION ,  CHA, Inhyok ,  RATHI, Chinmayee V. ,  SHAH, Yogendra, C. ,  GUCCIONE, Louis, J. ,  SCHMIDT, Andreas U. ,  KUNTZ, Nicolai

    Inventor： CHA, Inhyok ,  RATHI, Chinmayee V. ,  SHAH, Yogendra, C. ,  GUCCIONE, Louis, J. ,  SCHMIDT, Andreas U. ,  KUNTZ, Nicolai

    IPC: H04W12/04 ,  H04L29/06

    CPC classification number: H04L63/0428 ,  H04L63/06 ,  H04L63/0853 ,  H04W12/04

    Abstract: The present invention is related to a wireless communication system. 3G UMTS mobile phone systems rely on a protected smart card called the UMTS integrated circuit card (UICC) that provides UMTS subscriber identity module (USIM) applications as a basis or root of various security measures protecting the communication path between the 3G mobile terminal and the UMTS wireless network (or UTRAN). Disclosed is a method by which the UICC exchanges information with a terminal, such as an Internal Key Center (IKC 1250) and a Bootstrapping Server Function (BSF 1270) enables a procedure where multiple local keys specific to applications and Network Application Functions (NAFs) (Ks_local) are used for authentication and to encrypt and decrypt messages.

    Abstract translation: 本发明涉及无线通信系统。 3G UMTS移动电话系统依赖于被称为UMTS集成电路卡（UICC）的受保护的智能卡，其提供UMTS用户识别模块（USIM）应用，作为保护3G移动终端与3G移动终端之间的通信路径的各种安全措施的基础或根源 UMTS无线网络（或UTRAN）。 本发明公开了一种UICC与诸如内部密钥中心（IKC 1250）和引导服务器功能（BSF 1270）之类的终端交换信息的方法，能够实现特定于应用和网络应用功能（NAF）的多个本地密钥的过程， （Ks_local）用于认证和加密和解密消息。

    METHOD AND APPARATUS FOR SECURITY PROTECTION OF AN ORIGINAL USER IDENTITY IN AN INITIAL SIGNALING MESSAGE
    8.
    发明申请
    METHOD AND APPARATUS FOR SECURITY PROTECTION OF AN ORIGINAL USER IDENTITY IN AN INITIAL SIGNALING MESSAGE 审中-公开
    用于在初始信令消息中保护原始用户身份的方法和设备

    公开(公告)号：WO2008005162A2

    公开(公告)日：2008-01-10

    申请号：PCT/US2007/013914

    申请日：2007-06-14

    Applicant: INTERDIGITAL TECHNOLOGY CORPORATION ,  WANG, Peter, S. ,  GUCCIONE, Louis, J. ,  TERRY, Stephen, E.

    Inventor： WANG, Peter, S. ,  GUCCIONE, Louis, J. ,  TERRY, Stephen, E.

    IPC: H04Q7/38

    CPC classification number: H04L63/0414 ,  H04L9/0833 ,  H04L9/0844 ,  H04L9/3234 ,  H04L9/3273 ,  H04L63/0442 ,  H04L63/12 ,  H04L63/1441 ,  H04L2209/80 ,  H04W12/10 ,  H04W12/12

    Abstract: A wireless transmit/receive unit (WTRU) includes a control plane (C-plane) packet data convergence protocol (C-PDCP) layer which performs ciphering of a signaling message. The C-PDCP layer is activated upon power up of the WTRU and initial security parameters are loaded to the C-PDCP layer. An initial connection signaling message and a user identity are ciphered using the initial security parameters even before the WTRU is authenticated. The initial security parameters including a ciphering key (CK) may be generated from system information broadcast from the network. The CK may be a public key for asymmetric encryption, and may be selected from a public key set broadcast by or derived from the network system information. An index of the selected public key may be separately encoded. Alternatively, the index may be communicated by using a Diffie-Hellman key exchange method.

    Abstract translation: 无线发射/接收单元（WTRU）包括执行信令消息的加密的控制平面（C平面）分组数据汇聚协议（C-PDCP）层。 C-PDCP层在WTRU加电时被激活并且初始安全参数被加载到C-PDCP层。 甚至在WTRU被认证之前，使用初始安全参数对初始连接信令消息和用户身份进行加密。 包括加密密钥（CK）的初始安全参数可以从网络广播的系统信息中生成。 CK可以是用于非对称加密的公钥，并且可以从由网络系统信息广播或者从网络系统信息导出的公钥集合中选择。 所选公钥的索引可以被分开编码。 或者，可以通过使用Diffie-Hellman密钥交换方法来传达索引。

    ENHANCED AUTOMATIC GAIN CONTROL MECHANISM FOR TIMESLOTTED DATA TRANSMISSIONS
    10.
    发明申请
    ENHANCED AUTOMATIC GAIN CONTROL MECHANISM FOR TIMESLOTTED DATA TRANSMISSIONS 审中-公开
    增强数据传输的自动增益控制机制

    公开(公告)号：WO2004084460A2

    公开(公告)日：2004-09-30

    申请号：PCT/US2004/007496

    申请日：2004-03-12

    Applicant: INTERDIGITAL TECHNOLOGY CORPORATION ,  HAIM, John, W. ,  TYRA, Fryderyk ,  GUCCIONE, Louis, J. ,  AXNESS, Timothy A. ,  GRIECO, Donald, M.

    Inventor： HAIM, John, W. ,  TYRA, Fryderyk ,  GUCCIONE, Louis, J. ,  AXNESS, Timothy A. ,  GRIECO, Donald, M.

    IPC: H04L

    CPC classification number: H04W52/52 ,  H03G3/001 ,  H03G3/3052 ,  H03G3/3078

    Abstract: An automatic gain control (AGC) method according to the present invention applies an initial gain by a digital AGC circuit in a timeslot is determined using a final calculated gain from the same timeslot in the previous frame together with an offset factor. An erase function is activated for a given data sample block when the number of saturated data samples that are detected within the block exceeds a threshold value. The power measurement made by the AGC circuit and used to update the gain is adjusted based on the number of measured data samples that are saturated. These elements provide a gain limiting function and allows limiting of the dynamic range for further signal processing.

    Abstract translation: 根据本发明的自动增益控制（AGC）方法，利用来自前一帧中的相同时隙的最终计算的增益以及偏移因子来确定时隙中的数字AGC电路的初始增益。 当块内检测到的饱和数据样本的数量超过阈值时，给定的数据采样块激活擦除功能。 由AGC电路进行的用于更新增益的功率测量基于饱和的测量数据样本的数量进行调整。 这些元件提供增益限制功能，并允许限制用于进一步信号处理的动态范围。

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