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    • 1. 发明申请
    • ELECTRICAL POWER SUPPLY UNIT AND METHOD OF OPERATING AN ELECTRICAL POWER SUPPLY UNIT
    • 电力供应单元和操作电源单元的方法
    • WO2012028376A1
    • 2012-03-08
    • PCT/EP2011/062254
    • 2011-07-18
    • ALCATEL LUCENTMACHINAL, RobinSCHLESINGER, HeinzBOHN, Thomas
    • MACHINAL, RobinSCHLESINGER, HeinzBOHN, Thomas
    • H02J1/10
    • H02J1/108
    • The invention relates to an electrical power supply unit, PSU, (100) for supplying a load (200) with a variable direct current, DC, voltage, wherein said PSU (100) comprises at least two DC power supply branches (120, 120a, 120b,..), wherein each of said DC power supply branches (120, 120a, 120b,..) comprises a DC branch power supply (122) and a diode (124) connecting said DC branch power supply (122) to an output terminal (130) of said PSU (100), wherein at least one of said DC power supply branches (120b, 120c,..) further comprises a switch (126) that is connected in series to said diode (124) for selectively connecting the DC branch power supply (122) of said at least one DC power supply branch (120b, 120c,..) with said output terminal (130).
    • 本发明涉及一种用于向负载(200)提供可变直流DC电压的电源单元(100),其中所述PSU(100)包括至少两个直流电源分支(120,120a) ,120b,...),其中每个所述DC电源分支(120,120a,120b,...)包括DC分支电源(122)和将所述DC支路电源(122)连接到 所述PSU(100)的输出端子(130),其中至少一个所述DC电源分支(120b,120c,...)还包括与所述二极管(124)串联连接的开关(126),用于 选择性地将所述至少一个DC电源分支(120b,120c,...)的DC分支电源(122)与所述输出端子(130)连接。
    • 2. 发明申请
    • ANTENNA SYNCHRONIZATION FOR COHERENT NETWORK MIMO
    • 天线同步MIMO网络同步
    • WO2010102969A1
    • 2010-09-16
    • PCT/EP2010/052887
    • 2010-03-08
    • ALCATEL LUCENTMAYER, Hans-PeterSCHLESINGER, Heinz
    • MAYER, Hans-PeterSCHLESINGER, Heinz
    • H04B7/26H04W88/08H04W56/00
    • H04L7/0008H04J14/0226H04W88/085
    • The invention relates to a method for synchronizing RF antenna signals (5a to 5i) of a plurality of RF antenna sites (3a to 3i) arranged at different locations of a radio transmission system (1b), the method comprising; generating a reference signal (7) in a reference oscillator (6) located at a central unit (2) of the radio transmission system (1b), transmitting the reference signal (7) as an optical signal from the central unit (2) to the RF antenna sites (3a to 3i) via a plurality of optical fiber links (9a" to 9i"), and using the transmitted reference signal (7) for synchronizing the RF antenna signals (5a to 5i) of the different RF antenna sites (3a to 3i), The invention also relates to a radio transmission system (1b).
    • 本发明涉及一种用于同步布置在无线电传输系统(1b)的不同位置的多个RF天线位置(3a至3i)的RF天线信号(5a至5i)的方法,该方法包括: 在位于无线电传输系统(1b)的中央单元(2)的参考振荡器(6)中产生参考信号(7),将作为光信号的参考信号(7)从中央单元(2)发送到 经由多个光纤链路(9a“至9i”)的RF天线位置(3a至3i),并且使用所发射的参考信号(7)来同步不同RF天线位置的RF天线信号(5a至5i) (3a〜3i),本发明还涉及一种无线传输系统(1b)。