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    • 1. 发明申请
    • DIVERSITY RECEIVER
    • 多样性接收者
    • WO2005022778A1
    • 2005-03-10
    • PCT/IB2004/051554
    • 2004-08-24
    • KONINKIJKE PHILIPS ELECTRONICS N.V.LINNARTZ, Johan, P., M., G.
    • LINNARTZ, Johan, P., M., G.
    • H04B7/08
    • H04B7/084H04B7/0822
    • The invention is directed to the reception of high rate radio signals (for example DVB-T signals) while the receiver is moving at a high speed (for example in or with a car). Two or more antennas (12, 16) are closely spaced and arranged behind each other in the direction of motion (v) for receiving the radio signals. A difference (S 2 (t)-S 1 (t)) of a signal (S 1 (t)) obtained via the first antenna (12) and a signal (S 2 (t)) obtained via the second antenna (16) serves as an estimation of the spatial derivative of the receiving channel transfer function. This spatial derivative is interpreted as a temporal derivative and exploited to cancel or at least reduce distortions (for example ICI) due to rapid receiving channel variations.
    • 本发明涉及在接收机高速移动(例如在汽车中或与汽车相关)时接收高速无线电信号(例如DVB-T信号)。 两个或多个天线(12,16)在运动方向(v)之间彼此紧密地间隔开并布置成用于接收无线电信号。 经由第一天线(12)获得的信号(S1(t))和通过第二天线(16)获得的信号(S2(t))的差(S2(t)-S1(t))用作 估计接收信道传递函数的空间导数。 该空间导数被解释为时间导数,并被利用以消除或至少减少由于快速接收信道变化而引起的失真(例如ICI)。
    • 3. 发明申请
    • COMMUNICATION NETWORK
    • 通信网络
    • WO2007049192A1
    • 2007-05-03
    • PCT/IB2006/053839
    • 2006-10-18
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.VRANKEN, Paulus, J., G.WANG, XiangyuLINNARTZ, Johan, P., M., G.
    • VRANKEN, Paulus, J., G.WANG, XiangyuLINNARTZ, Johan, P., M., G.
    • H04Q7/38H04L12/28
    • H04W24/04H04W36/38H04W84/12
    • A communication network (10) comprising communication nodes (20, 20a, 40, 60, 70, 80, 90) operable to communicate data therebetween. The nodes (20, 20a, 40, 60, 70, 80, 90) include a mobile station (80) being operable to cooperate with first and second corresponding access points (70, 90), the first access point (70) being operable to provide a first communication route to the mobile station (80), and the second access point (90) being operable to sense operation of the first access point (70). The second access point (90) is operable to provide a second communication route to said at least one station (80) in an event of the first access point (70) ceasing to provide said first communication route. The sensing occurs in operation during slot periods (310, 320, 330, 340) individually assigned to the access points (70, 90). Moreover, the slot periods arise within signals (300) communicated within the network (10) for the access points (70, 90) to acknowledge receipt of messages from or to the mobile station (80).
    • 通信网络(10)包括可操作以在其间传送数据的通信节点(20,20a,40,60,70,80,90)。 节点(20,20a,40,60,70,80,90)包括可操作以与第一和第二对应接入点(70,90)协作的移动台(80),第一接入点(70)可操作 以提供到移动台(80)的第一通信路由,并且第二接入点(90)可操作以感测第一接入点(70)的操作。 在第一接入点(70)停止提供所述第一通信路由的情况下,第二接入点(90)可操作以向所述至少一个站(80)提供第二通信路由。 感测发生在分别分配给接入点(70,90)的时隙周期(310,320,330,340)期间的操作中。 此外,时隙周期出现在用于接入点(70,90)的网络(10)内通信的信号(300)中,以确认从移动台(80)接收消息或向移动台(80)的接收。
    • 8. 发明申请
    • MANAGEMENT OF USE OF INFORMATION THAT IS RECORDED ON AN OPTICAL DISK
    • 管理使用记录在光盘上的信息
    • WO2005024819A1
    • 2005-03-17
    • PCT/IB2004/051584
    • 2004-08-27
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.AKKERMANS, Antonius, H., M.LINNARTZ, Johan, P., M., G.
    • AKKERMANS, Antonius, H., M.LINNARTZ, Johan, P., M., G.
    • G11B20/00
    • G11B20/00963G11B20/00086G11B20/00123G11B20/0021G11B20/00384G11B20/00927
    • PHNL031053 An apparatus for processing data from an optical disk (20) generates a data signal by decoding information from the track (21) and a track position signal that is indicative of the radial position and/or depth of the track (21), and/or jitter in the position of edges of bit signals from the track (21). From the track position signal, values of plurality of characteristic measures are computed so that the computed values are substantially invariant under a phase of disk rotation, for example by determining the absolute values of Fourier transform components at multiples of the revolution frequency. Conditional use of the data signal is controlled dependent on the values computed for the characteristic measures. In one embodiment access is granted when the computed values match predetermined values for the disk. In another embodiment it is ensured that the disk is not removed from the apparatus during a session, by comparing a values that is sensitive to eccentricity with a value determined at the start of the session.
    • 一种用于处理来自光盘(20)的数据的装置通过对来自轨道(21)的信息进行解码并产生指示轨道(21)的径向位置和/或深度的轨道位置信号的数据信号,以及 /或来自轨道(21)的位信号的边缘位置的抖动。 根据轨道位置信号,计算多个特征量的值,使得计算值在盘旋转的相位下基本上是不变的,例如通过以旋转频率的倍数确定傅里叶变换分量的绝对值。 数据信号的有条件使用根据为特征测量计算的值进行控制。 在一个实施例中,当计算的值与盘的预定值相匹配时,允许访问。 在另一个实施例中,通过将对偏心率敏感的值与在会话开始时确定的值进行比较,确保在会话期间不从设备移除盘。