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    • 3. 发明申请
    • A METHOD FOR ALIGNMENT OF MULTI-BEAM ANTENNAS IN A NON LINE-OF-SIGHT SCENARIO
    • 一种非线性场景下多波束天线对准的方法
    • WO2014117855A1
    • 2014-08-07
    • PCT/EP2013/051998
    • 2013-02-01
    • TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)
    • DERNERYD, AndersMANHOLM, LarsBERG, Jan-ErikENGSTRÖM, Ulrika
    • G01S3/40H01Q3/26H04B7/08
    • H04B7/0408G01S3/38G01S17/88G01S2205/007H01Q3/24H01Q3/2605
    • The present invention relates to a method for alignment of a first node (1) with at least one secondary node (2, 3) in a wireless communication network (4). The first node (1) is have first node antenna beams (5, 6, 7, 8, 9, 10) with corresponding designated pointing angles (11, 12, 13, 14, 15, 16). For each such beam, (5, 6, 7, 8, 9, 10) the method comprises the steps of, for each secondary node (2, 3): (29) directing a first node antenna beam (5, 6, 7, 8, 9, 10) in its designated pointing angle; (30) using a secondary node antenna beam (17a, 17b, 17c) where objects (18, 19, 20) can generate signal reflections/diffractions (21, 22, 23); and (31) detecting at least one signal property of reflected/diffracted signals (21, 22, 23). The method further comprises the steps: (32) exchanging information between the nodes (1, 2, 3), regarding beam angles (11, 12, 13, 14, 15, 16; 24, 25, 26) resulting in said signal property exceeding a corresponding threshold level; and (33) selecting a first node beam angle (11, 12, 13, 14, 15, 16) and a secondary node beam angle (24, 25, 26) from the these beam angles (11, 12, 13, 14, 15, 16, 24, 25, 26) for communication between the first node (1) and each secondary node (2, 3).
    • 本发明涉及一种用于在无线通信网络(4)中将第一节点(1)与至少一个辅助节点(2,3)对准的方法。 第一节点(1)具有具有对应的指定角度(11,12,13,14,15,16)的第一节点天线波束(5,6,7,8,9,10)。 对于每个这样的波束,(5,6,7,8,9,10)所述方法包括以下步骤:对于每个次级节点(2,3):(29)引导第一节点天线波束(5,6,7 ,8,9,10)在其指定的角度; (18,19,20)可以产生信号反射/衍射(21,22,23)的次级节点天线波束(17a,17b,17c); 和(31)检测反射/衍射信号(21,22,23)的至少一个信号特性。 该方法还包括以下步骤:(32)在节点(1,2,3)之间交换关于波束角(11,12,13,14,15,16; 24,25,26)的信息,导致所述信号特性 超过相应的阈值水平; 以及(33)从这些光束角度(11,12,13,14,15,16)中选择第一节点光束角(11,12,13,14,15,16)和次节点光束角(24,25,26) 15,16,24,25,26),用于在第一节点(1)和每个次节点(2,3)之间进行通信。
    • 7. 发明申请
    • A METHOD FOR ANTENNA ALIGNMENT IN A NON LINE-OF-SIGHT SCENARIO
    • 一种非线性场景下天线对准的方法
    • WO2014117857A1
    • 2014-08-07
    • PCT/EP2013/052004
    • 2013-02-01
    • TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)
    • DERNERYD, AndersMANHOLM, LarsBERG, Jan-ErikENGSTRÖM, Ulrika
    • G01S3/40H01Q3/26H04B7/08
    • H01Q3/26G01S3/38G01S7/003G01S17/88H01Q3/2605H04B7/086
    • The present invention relates to a method for alignment of a first node (1) with a second node (2) in a wireless communication network (3). The method comprises the steps: directing a first node first antenna beam (4) at a first pointing angle (6), using a second node antenna beam (7a, 7b, 7c) for scanning a first volume with objects (10, 11, 12) being able to generate signal reflections/diffractions (13, 14, 15), detecting a first signal property of reflected/diffracted signals (21, 22, 23); and saving scan angles (16, 17, 18) resulting in said first signal property exceeding a first threshold level. The method further comprises the steps: directing the second node antenna beam (7a, 7b, 7c) at said saved angles (16, 17, 18), and, for each such angle: using a first node second antenna beam for scanning; and detecting at least a second signal property of reflected/diffracted signals (13, 14, 15). Furthermore: exchanging information between the nodes (1, 2), said information comprising first node second antenna beam pointing direction angles (31, 32, 33) resulting in said second signal property exceeding a second threshold level and said saved angles (16, 17, 18); and selecting angles for communication from the above angles (16, 17, 18; 31, 32, 33).
    • 本发明涉及一种用于在无线通信网络(3)中对第一节点(1)与第二节点(2)的方法。 该方法包括以下步骤:使用第二节点天线波束(7a,7b,7c)以第一指向角(6)引导第一节点第一天线波束(4),用于扫描具有对象(10,11, 12)能够产生信号反射/衍射(13,14,15),检测反射/衍射信号(21,22,23)的第一信号特性; 并且保存导致所述第一信号特性超过第一阈值电平的扫描角度(16,17,18)。 该方法还包括以下步骤:将第二节点天线波束(7a,7b,7c)引导到所述保存的角度(16,17,18),并且针对每个这样的角度:使用第一节点第二天线波束进行扫描; 以及检测反射/衍射信号(13,14,15)的至少第二信号特性。 此外:在节点(1,2)之间交换信息,所述信息包括导致所述第二信号特性超过第二阈值水平的第一节点第二天线波束指向方向角(31,32,33)和所述保存的角度(16,17 ,18); 以及从上述角度(16,17,18; 31,32,33)中选择用于通信的角度。
    • 9. 发明申请
    • A WIRELESS COMMUNICATION SYSTEM NODE ARRANGED FOR DETERMINING POINTING DEVIATION
    • 无线通信系统节点用于确定点偏差
    • WO2015154811A1
    • 2015-10-15
    • PCT/EP2014/057266
    • 2014-04-10
    • TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)
    • SUNDSTRÖM, LarsMANHOLM, Lars
    • H01Q21/08H01Q1/24H01Q3/26H01Q21/06
    • H01Q3/2605H01Q1/246H01Q21/065H01Q21/08
    • The present invention relates to a wireless communication system node arranged for determining pointing deviation, which comprises an antenna arrangement (2), with at least one array antenna (3, 4, 5; 3'), each array antenna having a plurality of antenna elements (6, 6'). At least a first set of antenna elements (7, 7') is formed from said plurality of antenna elements (6, 6'). For at least one set of antenna elements (7; 7', 12'), a control unit (8) is arranged to: - Form an antenna beam (9; 9a, 9b, 9c) that is steerable to a certain pointing angle (φ, φ 1 , φ 2 ) in at least one plane for a signal having a certain bandwidth (B) with a certain lowest frequency (f low ) and a certain highest frequency (f high ), - Determine the relative power (10a, 10b, 10c) of a received signal (11a, 11b, 11c; 11a', 11b') at a plurality of frequencies in the frequency band (B). - Determine a degree of angular pointing deviation (β b , β c ) for the antenna beam (9; 9a, 9b, 9c) relative the received signal (11a, 11b, 11c; 11a', 11b') by means of the degree of slant of the relative power (10a, 10b, 10c) of the received signal (11a, 11b, 11c; 11a', 11b').
    • 本发明涉及一种用于确定指向偏差的无线通信系统节点,其包括具有至少一个阵列天线(3,4,5; 3')的天线装置(2),每个阵列天线具有多个天线 元素(6,6')。 至少第一组天线元件(7,7')由所述多个天线元件(6,6')形成。 对于至少一组天线元件(7; 7',12'),控制单元(8)被布置成: - 形成可转向特定指向角的天线波束(9; 9a,9b,9c) 对于具有一定的最低频率(流量)和一定最高频率(fhigh)的一定带宽(B)的信号,在至少一个平面内的(φ,φ1,φ2)确定相对功率(10a,10b,10c )在频带(B)中以多个频率接收的接收信号(11a,11b,11c; 11a',11b')。 - 通过倾斜度确定天线波束(9; 9a,9b,9c)相对于接收信号(11a,11b,11c; 11a',11b')的角度指向偏差(βb,βc)的程度 的接收信号(11a,11b,11c; 11a',11b')的相对功率(10a,10b,10c)。