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1. (WO2018224488) DISPOSITIF DE COMMUNICATION ET DE BROUILLAGE RADIOFRÉQUENCE ET PROCÉDÉ DE COMMUNICATION RADIOFRÉQUENCE RESPECTUEUX DE L'ENVIRONNEMENT SÉCURISÉ PHYSIQUEMENT ET DE BROUILLAGE DE COMMUNICATION RADIOFRÉQUENCE HOSTILE
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Claims

Radio frequency communication and jamming device configured for physically secured friendly radio frequency communication and for jamming hostile radio frequency communication, the radio frequency communication and jamming device (1 ) comprising:

an antenna arrangement (2, 3) having a transmission section (2) for transmitting outgoing signals (OS) and a receiving section (3) for receiving incoming signals (IS);

a receiver device (4) configured for extracting an incoming information signal (IIS) from the incoming signals (IS) received via the receiving section (3) in a receiving frequency band (R);

a jamming generator (5) configured for generating at least one jamming signal (JS) for jamming at least one jamming frequency band (J), wherein the jamming signal (JS) is transmitted as one of the outgoing signals (OS) via the transmission section (2), wherein the at least one jamming frequency band (J) includes the receiving frequency band (R); and

a self-interference cancellation device (6) configured for cancelling portions of the at least one jamming signal (JS) in the incoming signals (IS) received via the receiving section (3) at least in the receiving frequency band (R).

Radio frequency communication and jamming device according to the preceding claim, wherein the self-interference cancellation device (1 ) comprises an inserting device (9) for inserting a se!f-interference cancelation signal (SICS) into the incoming signals (IS) downstream of the receiving section (3) and a self-interference cancelation signal calculating device (10) for calculating the self-interference cancelation signal (SICS) from the jamming signal (JS).

Radio frequency communication and jamming device according to one of the preceding claims, wherein the radio frequency communication and

jamming device (1 ) further comprises:

a transmitter device (1 1 ) configured for generating at least one outgoing information signal (OlS) in a transmission frequency band (F), wherein the 5 outgoing information signal (OlS) is transmitted as one of the outgoing signals (OS) via the transmission section (2), wherein the transmission frequency band (F) and the receiving frequency band (R) do not overlap;

wherein the at ieast one jamming frequency band (J) excludes the trans-o mission frequency band (F).

4. Radio frequency communication and jamming device according to the preceding claim, wherein the transmission section (2) comprises a first radiation pattern control unit (13) configured for adapting a radiation pat- 5 tern (RPO) for transmitting the outgoing information signal (OlS).

5. Radio frequency communication and jamming device according to one of the preceding claims, wherein the transmission section (2) comprises a second radiation pattern control unit (14) configured for adapting a radiation pattern (RPJ) for transmitting the jamming signal (JS).

6. Radio frequency communication and jamming device according to one of the preceding claims, wherein the transmission section (2) comprises a power control unit configured for adapting a power of the jamming signal

(JS).

7. Radio frequency communication and jamming device according to one of the preceding claims, wherein the receiving section (3) comprises a direction estimation unit (15) configured for estimating a direction from which the incoming information signal (IIS) is arriving.

8. Radio frequency communication and jamming device according to the preceding claim, wherein the direction estimation unit (15) is configured for adapting a receiving pattern for receiving the incoming information signal (IIS) based on the estimated direction.

9. Radio frequency communication and jamming device according to one of the preceding claims, wherein the jamming generator (5) is configured for generating a plurality of jamming signals (JS2.1 , JS2.2, JS2.3, JS2.4) of the jamming signals (JS) for jamming the at least one jamming frequency band (J), wherein of jamming signals (JS2.1 , JS2.2, JS2.3, JS2.4) of the plurality of jamming signals(JS2.1 , JS2.2, JS2.3, JS2.4) have different characteristics,

wherein the transmission section (2) comprises a plurality of transmission channels, wherein each jamming signal (JS2.1 , JS2.2, JS2.3, JS2.4) of the plurality of jamming signals (JS2.1 , JS2.2, JS2.3, JS2.4) is transmitted over one transmission channel of the plurality of transmission channels, wherein the transmission channels of the plurality of transmission channels have different radiation patterns (RPJ2.1 , RPJ2.2, RPJ2.3, RPJ2.4) for transmitting the respective jamming signal (JS2.1 , JS2.2, JS2.3, JS2.4).

10. Radio frequency communication and jamming device according to one of the claims 3 to 9, wherein the receiver device (4) is configured for extracting the incoming information signal (IIS2.1 ) and a further incoming information signal (IIS2.2) from the incoming signals (IS) received via the receiving section (3), wherein the incoming signal (IIS2.1 ) is in the receiving frequency band (RA), wherein the further incoming signal (IIS2.2) is in a further receiving frequency band (RC), wherein the at least one jamming frequency band (JB) includes the further receiving frequency band (RC);

wherein the transmitter device (1 1 ) is configured for generating the outgoing information signal (OIS2.1 ) and a further outgoing information signal (OIS2.2), wherein the further outgoing information signal (OIS2.2) is transmitted via the transmission section (2) in a further transmission frequency band (FD), which is not overlapping the frequency band (FB) of the outgoing information signai (OIS2.1 ); and

wherein the further transmission frequency band (FD) and the further receiving frequency (RC) band do not overlap.

1 1 . Radio frequency communication and jamming device according to one of the claims 3 to 10, wherein the receiving section (3) is configured for receiving the incoming information signal (IIS2.1 ) and a further incoming information signal (IIS2.2) of the incoming information signals (IS), which are in the same receiving frequency band (RA);

wherein the receiving section (3) comprises a direction estimation unit (15) configured for estimating a direction of origin for both of the incoming information signal (IIS2. ) and the further information signal;

wherein the receiver device (4) is configured for extracting the incoming information signal (IIS2.1 ) and a further incoming information signai (IIS2.2) from the incoming signals (IS) received via the receiving section (3) using the estimated directions of origin; and

wherein the transmitter device (1 1 ) is configured for generating the outgoing information signal (OIS2.1 ) and a further outgoing information signal (OIS2.2), wherein the further outgoing information signal (OIS2.2) is transmitted via the transmission section (2) in the transmission frequency band (FB).

12. System for physically secured friendly radio frequency communication and for jamming hostile radio frequency communication, the system comprising:

a first radio frequency communication and jamming device ( .1 ) according to one of the claims 3 to 1 1 ; and

a second radio frequency communication and jamming device (1 .2) ac- cording to one of the claims 3 to 1 ;

wherein the receiving frequency band (RB) of the first radio frequency communication and jamming device (1 .1 ) includes the transmission frequency band (FB) of the second radio frequency communication and jamming device (1 .2); and

wherein the receiving frequency band (RA) of the second radio frequency communication and jamming device (1.2) includes the transmission frequency band (FA) of the first radio frequency communication and jamming device (1.1 );

wherein the outgoing information signal (OIS1.1 ) of the first radio frequency communication and jamming device (1.1 ) is the incoming information signal (IIS2.1 ) of the second radio frequency communication and jamming device (1.2); and

wherein the outgoing information signal (OIS2.1 ) of the second radio frequency communication and jamming device (1.2) is the incoming information signal (IIS1.1 ) of the first radio frequency communication and jamming device (1.1 ).

13. System according to the claim 12, the system further comprising:

a third radio frequency communication and jamming device (1.3) according to one of the claims 3 to 11 ;

wherein the second radio frequency communication and jamming device (1.2) is configured according to claim 10;

wherein the receiving frequency band (RD) of the third radio frequency communication and jamming device (1.3) includes the further transmission frequency band (FD) of the second radio frequency communication and jamming device (1.2);

wherein the further receiving frequency band (RC) of the second radio frequency communication and jamming device (1.2) includes the transmission frequency band (FC) of the third radio frequency communication and jamming device (1.3);

wherein the first radio frequency communication and jamming device (1.1 ) and the third radio frequency communication and jamming device (1.3) are located in reach of the second radio frequency communication and

jamming device (1.2);

wherein the first radio frequency communication and jamming device (1.1 ) and the third radio frequency communication and jamming device (1.3) are located mutually out of reach;

wherein the further outgoing information signal (OIS2.2) of the second radio frequency communication and jamming device (1.2) is the incoming information signal (I1S3.1 ) of the third radio frequency communication and jamming device (1.3); and

wherein the outgoing information signal (OIS3.1 ) of the third radio frequency communication and jamming device ( .3) is the further incoming information signal (IIS2.2) of the second radio frequency communication and jamming device (1.2).

14. System according to the claim 12, the system further comprising:

a third radio frequency communication and jamming device according to one of the claims 3 to 1 ;

wherein the receiving frequency band (RB) of the third radio frequency communication and jamming device (1.3) includes the transmission frequency band (FB) of the second radio frequency communication and jamming device (1.2);

wherein the receiving frequency band (RA) of the second radio frequency communication and jamming device (1.2) includes the transmission frequency band (FA) of the third radio frequency communication and jam- ming device (1.3);

wherein the first radio frequency communication and jamming device (1.1 ) and the third radio frequency communication and jamming device (1.3) are located in reach of the second radio frequency communication and jamming device (1.2);

wherein the first radio frequency communication and jamming device (1.1 ) and the third radio frequency communication and jamming device (1.3) are located mutually out of reach;

wherein the transmission frequency band (FA) of the first frequency communication and jamming device (1 .1 ) is equal to the transmission frequency band (FA) of the first frequency communication and jamming device (1.1 );

wherein the second radio frequency communication and jamming device ( .2) is configured according to claim 11 ;

wherein the further outgoing information signal (OIS2.2) of the second radio frequency communication and jamming device (1.2) is the incoming information signal (IIS3.1 ) of the third radio frequency communication and jamming device (1.3); and

wherein the outgoing information signal (OIS3.1 ) of the third radio frequency communication and jamming device (1.3) is the further incoming information signal (IIS2.2) of the second radio frequency communication and jamming device (1.2).

15. Method for physically secured friendly radio frequency communication and for jamming hostile radio frequency communication, the method comprising the steps:

transmitting outgoing signals (OS) by using a transmission section (2) of an antenna arrangement (2, 3) and receiving incoming signals (IS) by using a receiving section (3) of the antenna arrangement (2, 3);

extracting an incoming information signal (IIS) from the incoming signals (IS) received via the receiving section (3) in a receiving frequency band by using a receiver device (4);

generating at least one jamming signal (JS) for jamming at least one jamming frequency band by using a jamming generator (5), wherein the

jamming signal (JS) is transmitted as one of the outgoing signals (OS) via the transmission section (2), wherein the at least one jamming frequency band includes the receiving frequency band; and

cancelling portions of the at least one jamming signal (JS) in the incoming signals (IS) received via the receiving section(3) at least in the receiving frequency band by using a self-interference cancellation device (6).

16. Method for operating a system for physically secured friendly radio frequency communication and for jamming hostile radio frequency communication, the system comprising:

a first radio frequency communication and jamming device (1.1 ) according to one of the claims 3 to 11 ; and

a second radio frequency communication and jamming device (1.2) according to one of the claims 3 to 1 ;

wherein the method comprises the steps of:

setting the receiving frequency band (RB) of the first radio frequency communication and jamming device (1.1) and the transmission frequency band (FB) of the second radio frequency communication and jamming device (1.2) in such way that the receiving frequency band (RB) of the first radio frequency communication and jamming device (1.1 ) includes the transmission frequency band (FB) of the second radio frequency communication and jamming device (1.2); and

setting the receiving frequency band (RA) of the second radio frequency communication and jamming device (1.2) and the transmission frequency band (FA) of the first radio frequency communication and jamming device (1.1 ) in such way that the receiving frequency band (RA) of the second radio frequency communication and jamming device (1.2) includes the transmission frequency band (FA) of the first radio frequency communication and jamming device (1.1 );

using the outgoing information signal (OIS1 .1 ) of the first radio frequency communication and jamming device (1 .1 ) as the incoming information signal (IIS2.1 ) of the second radio frequency communication and jamming device (1 .2); and

using the outgoing information signal (OIS2.1 ) of the second radio frequency communication and jamming device (1 .2) as the incoming information signal (I IS1 .1 ) of the first radio frequency communication and jamming device (1 .1 ).

7. Computer program for, when running on a processor, executing the method according to the claim 15.