The present application relates to a method for exchanging messages (Figure 5: Poll-A1-1, RESP-A1-1, FINAL-A1-1; FINAL-A1-1, FINAL-A1-1, FINAL-A1-1, FINAL-A1-1, FINAL-A1-1, FINAL-A1-1, FINAL-A1-1, FINAL-A1-1, FINAL-A1-1, FINAL-A1-1, FINAL-A1-1, FINAL-A1-1, FINAL-A1-1, FINAL-A1-1, FINAL-A1-1, FINAL-A1-1; the molecular marker is selected from the group consisting of Poll-A < 1-2 >, RESP-A < 1-2 > and FINAL-A < 1-2 >; figure 6; figure 7; figure 8; method and apparatus for repeatedly determining distance values (Rdiv (1 * 2 * TR), Rdiv (2 * 2 * TR), Rdiv (2 * n * TR)) representing a time of flight (ToF) and/or a distance (d1) between at least two transceivers (S, TRX), in particular in a plurality (n) of time intervals (n * TR), in which, on at least one transceiver (S, TRX) part: at least one antenna (ANT1; aNT1, ANT2) for transmitting messages (Poll, RESP, FINAL) by transmitting and/or receiving the messages (Poll, RESP, FINAL) in each case (Fig. 5 Poll-A1-1, RESP-A1-1, FINAL-A1-1; the molecular marker is selected from the group consisting of Poll-A < 1-2 >, RESP-A < 1-2 > and FINAL-A < 1-2 >; figure 6; figure 7; figure 8; figure 9),-wherein at least one evaluation unit (AU1, AU2, BBproc; rX1proc, RX1proc; [mu] c) is used to pass through at least one (Fig. 9, Fig. 10; figure 6 to Figure 8) messages transmitted by the antenna (ANT1) (Figure 5 Poll-A1-1, RESP-A1-1, FINAL-A1-1; the molecular marker is selected from the group consisting of Poll-A < 1-2 >, RESP-A < 1-2 > and FINAL-A < 1-2 >; figure 6; figure 7; figure 8; fIG. 9) for determining a first distance value (R (1 * TR)), and for determining a first distance value (R (1 * TR)) by means of at least one (FIG. 9, FIG. 10; fIG. 6 to FIG. 8) antennas (ANT1; a message (Fig. 5: Poll-A1-1, RESP-A1-1, FINAL-A1-1, FINAL-A1-1, FINAL-A1-1, FINAL-A1-1; the molecular marker is selected from the group consisting of Poll-A < 1-2 >, RESP-A < 1-2 > and FINAL-A < 1-2 >; figure 6; figure 7; figure 8; fIG. 9) to determine at least one second distance value (R (2 * TR))-wherein a selection unit (AW, min) is also provided, which is designed to determine at least one distance value (R (TR), R (2 * TR)) in each case from the most recently determined distance value (R (TR), R (2 * TR); r (3 * TR); rdiv (4 * TR); ,...; rdiv (16 * TR)), the minimum distance value (Figure 14: 0.80 m; 0.90 m; 1.50 m) (Rdiv (2 * TR), Rdiv (4 * TR); rdiv (5 * TR); rdiv (8 * TR); ... Rdiv (16 * TR). And an evaluation unit (AU1, AU2, BBproc, RX1 proc).

    本申请涉及一种用于通过在至少两个收发器(S,TRX)、特别是一个(TRX)在机动车辆(Kfz)部分上且另一个(S)在车辆钥匙(S)部分上的至少两个收发器(S,TRX)之间交换消息(图5:Poll‑A1‑1,RESP‑A1‑1,FINAL‑A1‑1;Poll‑A1‑2,RESP‑A1‑2,FINAL‑A1‑2;图6;图7;图8;图9)来特别是在多个(n个)时间间隔(n*TR)中重复确定表示至少该至少两个收发器(S,TRX)之间的飞行时间(ToF)和/或距离(d1)的距离值(Rdiv(1*2*TR),Rdiv(2*2*TR),Rdiv(2*n*TR))的方法和装置,其中,在至少一个收发器(S,TRX)部分上:在每种情况下提供至少一个天线(ANT1;ANT1,ANT2)用于通过在每种情况下发射和/或接收消息(Poll,RESP,FINAL)来传输这些消息(图5:Poll‑A1‑1,RESP‑A1‑1,FINAL‑A1‑1;Poll‑A1‑2,RESP‑A1‑2,FINAL‑A1‑2;图6;图7;图8;图9),‑其中,还提供至少一个评估单元(AU1,AU2,BBproc;RX1proc;μc)用于通过由至少一个(图9,图10;图6至图8)天线(ANT1)传输的消息(图5:Poll‑A1‑1,RESP‑A1‑1,FINAL‑A1‑1;Poll‑A1‑2,RESP‑A1‑2,FINAL‑A1‑2;图6;图7;图8;图9)来确定第一距离值(R(1*TR)),并且用于通过由至少一个(图9,图10;图6至图8)天线(ANT1;ANT2)传输的消息(图5:Poll‑A1‑1,RESP‑A1‑1,FINAL‑A1‑1;Poll‑A1‑2,RESP‑A1‑2,FINAL‑A1‑2;图6;图7;图8;图9)来确定至少一个第二距离值(R(2*TR))‑其中,还提供选择单元(AW,min),该选择单元被设计为在每种情况下从最近一次确定的距离值(R(TR),R(2*TR);R(3*TR);Rdiv(4*TR);..;Rdiv(16*TR))中选择最小的距离值(图14:0.80 m;0.90 m;...1.50 m)(Rdiv(2*TR),Rdiv((4*TR);Rdiv(5*TR);Rdiv(8*TR);...Rdiv(16*TR)。评估单元(AU1,AU2,BBproc;RX1 proc)。


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    Titel :

    Method and device for determining distance value representing time of flight and/or distance between at least two transceivers, in particular at least two transceivers on motor vehicle part and vehicle key part


    Weitere Titelangaben:

    用于确定表示至少两个收发器、特别是机动车辆部分和车辆钥匙部分上的至少两个收发器之间的飞行时间和/或距离的距离值的方法和装置


    Beteiligte:

    Erscheinungsdatum :

    2022-03-04


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    G07C TIME OR ATTENDANCE REGISTERS , Zeit- oder Anwesenheitskontrollgeräte / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / G01S RADIO DIRECTION-FINDING , Funkpeilung




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