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    • 96. 发明公开
    • Backscatter interrogator reception method and interrogator for a modulated backscatter system
    • RückstrahlungsabfrageverfahrenundAbfragegerätfürein moduliertesRückstrahlungssystem
    • EP1630713A1
    • 2006-03-01
    • EP04020074.3
    • 2004-08-24
    • Sony Deutschland GmbH
    • Wang, Zhaocheng, Sony Inter. (Europe) GmbHBöhnke, Ralf, Sony Inter. (Europe) GmbHRebmann, Jochen, Sony Inter. (Europe) GmbH
    • G06K7/00H04B1/52
    • G06K7/0008H04B1/525
    • In a backscatter interrogator reception method, a continuous carrier signal (P1) with a frequency f c is sent from an interrogator (100) to a tag device (110) over a wireless link, the tag device (110) transmits data to the interrogator (100) using a modulated backscatter (P2) signal, and the received modulated backscatter signal (P2) is demodulated by the interrogator (100) to retrieve the data transmitted from the tag device (110). According to the present invention, the interrogator (100) estimates the phase and the amplitude of an inband interferer signal contained in the received modulated backscatter signal (P2), generates a cancellation signal having the opposite phase and the same amplitude as the estimation of the inband interferer signal, and combines said cancellation signal with the received backscatter signal (P2) in order to reduce the influence of the inband interferer signal. In addition, a two-stage interferer cancellation scheme is proposed.
    • 在反向散射询问器接收方法中,通过无线链路将具有频率fc的连续载波信号(P1)从询问器(100)发送到标签装置(110),标签装置(110)将数据发送到询问器 100),并且所述接收的调制反向散射信号(P2)由询问器(100)解调以检索从标签装置(110)发送的数据。 根据本发明,询问器(100)估计包含在接收的调制反向散射信号(P2)中的带内干扰信号的相位和幅度,产生具有相反相位和相同振幅的消除信号, 并且将所述抵消信号与所接收的反向散射信号(P2)组合,以便减小带内干扰信号的影响。 另外,提出了两级干扰消除方案。
    • 97. 发明公开
    • Method for operating in a home network
    • 弗雷堡
    • EP1619898A1
    • 2006-01-25
    • EP04017020.1
    • 2004-07-19
    • Sony Deutschland GmbH
    • Szucs, Paul Sony International (Europe) GmbH
    • H04N7/24
    • H04L12/2805G06F21/10
    • A method for operating networks of devices (d) wherein said networks are formed by a plurality of domains (D), wherein each of said domains (D) is formed by one or by a plurality of sub-networks (n) of devices (d), wherein each device (d) is assigned to at least one authorized domain (AD) of said domains (D) by assigning and/or carrying/storing in each case at least one type of authorized domain identifier (ADI) to/by said respective device (d), wherein each type of authorized domain identifier (ADI) is descriptive and/or characteristic for said authorized domain (AD) and its type as well as for a membership of said respective device (d) to said respective domain (D), and wherein an access to, the provision of, and/or a transmission of data with respect to audio/video content by each device (d) is in each case ruled on the basis of the respective assigned and/or carried/storied authorized domain identifiers (ADI).
    • 一种用于操作设备网络的方法(d),其中所述网络由多个域(D)形成,其中每个所述域(D)由一个或多个设备的子网络(n)形成 d),其中每个设备(d)被分配给所述域(D)的至少一个授权域(AD),通过在每种情况下分配和/或携带/存储至少一种类型的授权域标识符(ADI)到/ 通过所述相应的设备(d),其中每种类型的授权域标识符(ADI)对于所述授权域(AD)及其类型以及所述相应设备(d)到所述相应设备(d)的成员资格的描述和/或特性 域(D),并且其中每个设备(d)对于音频/视频内容的访问,提供和/或传输数据在每种情况下都是基于相应的分配的和/或 携带/存储的授权域标识符(ADI)。