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    System and method using reference stations and a receiving station
    1.
    发明授权
    System and method using reference stations and a receiving station 有权

    公开(公告)号：US11002818B2

    公开(公告)日：2021-05-11

    申请号：US15779768

    申请日：2016-10-27

    申请人： SYMEO GmbH

    发明人： Martin Vossiek ,  Peter Gulden ,  Fabian Kirsch

    IPC分类号： G01S1/20 ,  G01S1/02 ,  G01S5/02 ,  G01S5/10 ,  G01S5/14

    摘要： A wave-based method has at least two reference stations (1, 2) transmit signals (s1, s2; s3, s4). The signals are transmitted almost at the same time (S1, S2), are transmitted in the same frequency range, and are separable using a multiplexing method. At least one of the sending reference stations (1, 2), besides transmitting its own signal (s1, s2), also receives at least one signal (s2, s1) sent by another reference station (2, 1) at the same time and determines a time stagger (τ1) and/or a phase angle between its own transmission and the reception with high precision. At least one receiving station (7) which at least receives the signals (s1, s2) receives the signals (s3, s4) from at least two of the reference stations (1, 2). A system and stations perform the wave-based method.

    RADAR METHOD AND RADAR SYSTEM FOR A PHASE-COHERENT ANALYSIS
    2.
    发明公开
    RADAR METHOD AND RADAR SYSTEM FOR A PHASE-COHERENT ANALYSIS 审中-公开

    公开(公告)号：US20240036183A1

    公开(公告)日：2024-02-01

    申请号：US17996600

    申请日：2021-04-13

    申请人： SYMEO GMBH

    发明人： Fabian Kirsch ,  Christoph Mammitzsch

    IPC分类号： G01S13/00 ,  G01S13/42 ,  G01S13/931

    CPC分类号： G01S13/003 ,  G01S13/42 ,  G01S13/931

    摘要： The invention describes a radar method for the coherent evaluation of radar signals in a radar system, in particular a multistatic radar system, wherein at least one or a plurality of received signals is/are received in several signal channels of an antenna arrangement, and wherein a synthetic received signal of a virtual transmitting and receiving antenna is generated using at least one composition model on the basis of the one or more received signals.
    The invention further describes a radar system according to claim 9 as well as a use of the radar system according to claim 14.
    The invention enables coherent evaluation of radar signals without the need to use a reciprocal signal propagation channel between the participating radar units of the radar system.

    Method and system for reducing interference caused by phase noise in a radar system
    3.
    发明授权
    Method and system for reducing interference caused by phase noise in a radar system 有权

    公开(公告)号：US11016169B2

    公开(公告)日：2021-05-25

    申请号：US16067770

    申请日：2017-01-03

    申请人： Symeo GmbH

    发明人： Martin Vossiek ,  Michael Gottinger ,  Fabian Kirsch ,  Peter Gulden

    IPC分类号： G01S13/87 ,  G01S7/02 ,  G01S7/40 ,  G01S7/35

    摘要： A method is described in particular for reducing interference due to phase noise in a radar system, in which in a first noncoherent transceiver unit (NKSE1) a first signal (sigTX1) is generated and transmitted, in particular emitted, via a path (SP), in a further, in particular second noncoherent transceiver unit (NKSE2), a first signal (sigTX2) is generated and transmitted, in particular emitted, via the path (SP), the signals (sigTX1 and sigTX2) are received directly or indirectly in the respective other transceiver unit and are processed further therein as received signals sigRX12 and sigRX21, in the first transceiver unit (NKSE1), a comparison signal (sigC12) is formed from its first signal (sigTX1) and from such a first signal (sigRTX2) received from the further transceiver unit (NKSE2) via the path (SP), and in the further transceiver unit (NKSE2), a further comparison signal (sigC21) is formed from its first signal (sigTX2) and from such a first signal (sigTX1) received from the first transceiver unit (NKSE1) via the path (SP), wherein the further comparison signal (sigC21) is transmitted, in particular communicated, from the further transceiver unit (NKSE2) to the first transceiver unit (NKSE1), wherein in a first step, deviations of the signals sigC21 and sigC12 which are induced by systematic deviations in the transceiver units (NKSE2, NKSE1), are compensated for, wherein in a second step, at least one complex value from a first of the two comparison signals or from a signal which was derived from this first comparison signal is used for the purpose of adapting at least one complex value of the second of the two comparison signals or a value of a signal which was derived from the second comparison signal, and thus to form a signal (sigCC), wherein the adaptation takes place such that by a mathematical operation, the vector sum or the difference of the complex values is formed or the sum or the difference of the phases of the complex values is formed.

    METHOD AND SYSTEM FOR REDUCING INTERFERENCE CAUSED BY PHASE NOISE IN A RADAR SYSTEM
    5.
    发明申请
    METHOD AND SYSTEM FOR REDUCING INTERFERENCE CAUSED BY PHASE NOISE IN A RADAR SYSTEM 审中-公开

    公开(公告)号：US20190004145A1

    公开(公告)日：2019-01-03

    申请号：US16067770

    申请日：2017-01-03

    申请人： Symeo GmbH

    发明人： Martin Vossiek ,  Micheil Gottinger ,  Fabian Kirsch ,  Peter Gulden

    IPC分类号： G01S7/02 ,  G01S7/35 ,  G01S13/87

    摘要： A method is described in particular for reducing interference due to phase noise in a radar system, in which in a first noncoherent transceiver unit (NKSE1) a first signal (sigTX1) is generated and transmitted, in particular emitted, via a path (SP), in a further, in particular second noncoherent transceiver unit (NKSE2), a first signal (sigTX2) is generated and transmitted, in particular emitted, via the path (SP), the signals (sigTX1 and sigTX2) are received directly or indirectly in the respective other transceiver unit and are processed further therein as received signals sigRX12 and sigRX21, in the first transceiver unit (NKSE1), a comparison signal (sigC12) is formed from its first signal (sigTX1) and from such a first signal (sigRTX2) received from the further transceiver unit (NKSE2) via the path (SP), and in the further transceiver unit (NKSE2), a further comparison signal (sigC21) is formed from its first signal (sigTX2) and from such a first signal (sigTX1) received from the first transceiver unit (NKSE1) via the path (SP), wherein the further comparison signal (sigC21) is transmitted, in particular communicated, from the further transceiver unit (NKSE2) to the first transceiver unit (NKSE1), wherein in a first step, deviations of the signals sigC21 and sigC12 which are induced by systematic deviations in the transceiver units (NKSE2, NKSE1), are compensated for, wherein in a second step, at least one complex value from a first of the two comparison signals or from a signal which was derived from this first comparison signal is used for the purpose of adapting at least one complex value of the second of the two comparison signals or a value of a signal which was derived from the second comparison signal, and thus to form a signal (sigCC), wherein the adaptation takes place such that by a mathematical operation, the vector sum or the difference of the complex values is formed or the sum or the difference of the phases of the complex values is formed.