DETECTING A RADIO INTERFERENCE SIGNAL AND / OR A JAMMERING TRANSMITTER

Description

Field of the invention

[0001] Exemplary embodiments of the invention relate to the detection of a radio interference signal and / or a jammer. Background of the invention

[0002] When goods are stolen from a commercial vehicle, jammers are often used to prevent the vehicle from communicating with the radio, preventing the vehicle or its driver from contacting an emergency call center or the responsible dispatcher, for example. The use of such a jammer can thus prevent help from being called and thus poses a significant risk to the commercial vehicle, the driver, and the goods being transported.

[0003] US9553694B1 relates to a jamming detection system for a vehicle, which may include an antenna configured to receive a radio frequency (RF) wave defining a series of RF pulse and rest phase durations. The system known from US9553694B1 may include a processor programmed to lock the vehicle if one of the durations, but not both, exceeds a predetermined threshold; the processor may also be programmed to trigger a vehicle alarm if both durations each exceed a predetermined threshold.

[0004] GB2317418A discloses a solution in which a central control station sends control signals to a vehicle anti-theft system. If signal reception is interrupted, a processor immobilizes the vehicle after a predetermined period of time, e.g., after a few minutes. This immobilization can be achieved by electrical or electromechanical means, e.g., by cutting off the gas or fluid supply or preventing gear shifting. Alarm signals can also be activated and acoustic / visual notifications can be issued, for example, to inform the thief of the impending theft. The processor can also trigger a video camera to photograph the vehicle's driver, and the video images can be transmitted to the central station.

[0005] US2007 / 200688A1 describes a vehicle security system for use in a predefined area, such as a parking lot. It comprises an array of sensors for receiving a vehicle alarm signal transmitted by radio frequency from a participating vehicle equipped with a transceiver in the event of an attempted intrusion into or removal of the vehicle. A control center receives the alarm signals and transmits them to a user as an alarm message. Detection of jamming signals or attempted jamming signals is achieved, in one embodiment, by noise detectors that actively detect interfering noise, or alternatively, by an array of transmitters and receivers that conduct test transmissions between them, with a failure of transmission indicating a malfunction. Summary of some exemplary embodiments of the present invention

[0006] An object of the present invention is therefore to minimize the danger associated with the use of a jammer.

[0007] This object is achieved by the subject matter of the independent claims. Advantageous exemplary embodiments of the invention can be found in the subclaims.

[0008] According to a first aspect of the invention, which contributes to the understanding of the invention but is not claimed, a method is disclosed at least partly carried out by a radio communication device for a commercial vehicle, the method comprising: Detecting at least one first radio signal parameter and / or at least one first change in a radio signal parameter, wherein the first radio signal parameter and / or the first change in the radio signal parameter is characteristic of a radio interference signal; detecting a first detection position, wherein the first radio signal parameter and / or the first change in the radio signal parameter was detected at the first detection position; sending first radio interference signal detection information to a remote device, wherein the first radio interference signal detection information represents both the first radio signal parameter (i.e., the at least one first radio signal parameter) and / or the first change in the radio signal parameter (i.e., the at least one first change in the radio signal parameter) and the first detection position.

[0009] The fact that the method according to the first aspect of the invention is carried out at least partially by the radio communication device for the commercial vehicle should be understood, for example, to mean that the radio communication device of the commercial vehicle carries out at least one (preferably all) of the steps of the method according to the first aspect of the invention. For example, this radio communication device can correspond to the radio communication device according to the first aspect of the invention disclosed below.

[0010] According to the first aspect of the invention, a radio communication device for a commercial vehicle is further disclosed, wherein the device is configured to carry out and / or control the method according to the first aspect of the invention or comprises respective means for carrying out and / or controlling the steps of the method according to the first aspect of the invention. It is understood that different steps can optionally be carried out or controlled by different means. This should be understood in such a way that (1) either all steps of the method are controlled by the means, (2) or all steps of the method are carried out by the means, (3) or one or more steps are controlled by the means and one or more steps are carried out by the means.

[0011] The means can comprise hardware and / or software components. The means can, for example, comprise at least one memory with program instructions of a computer program (e.g., the computer program disclosed below according to the first aspect of the invention) and at least one processor configured to execute program instructions from the at least one memory. Accordingly, according to the first aspect of the invention, a radio communication device for a commercial vehicle is also to be understood as disclosed, which comprises at least one processor and at least one memory with program instructions, wherein the at least one memory and the program instructions are configured, together with the at least one processor, to cause the device to execute and / or control the method according to the first aspect of the invention.

[0012] Alternatively or additionally, the means may further comprise one or more communication interfaces (e.g., one or more wired and / or wireless communication interfaces, e.g., a wireless communication interface in the form of a radio interface) and / or one or more user interfaces (e.g., a keyboard, a mouse, a screen, a touchscreen, a loudspeaker, a microphone, etc.). It is understood that the radio communication device according to the first aspect of the invention may also comprise other means not listed.

[0013] The radio communication device according to the first aspect of the invention corresponds, for example, to the radio communication device which at least partially carries out the method according to the first aspect of the invention.

[0014] According to the first aspect of the invention, a computer program is further disclosed, wherein the computer program comprises program instructions which, when executed by at least one processor, are designed to cause a device (eg the radio communication device according to the first aspect of the invention) to carry out the method according to the first aspect.

[0015] The computer program according to the first aspect of the invention is, for example, contained and / or stored on a computer-readable storage medium. A computer-readable storage medium is to be understood, for example, as a physical and / or tangible storage medium.

[0016] According to a second aspect of the invention, a method carried out by one or more devices is disclosed, the method comprising: Receiving at least one first item of radio interference signal detection information from a first radio communication device of a first commercial vehicle, wherein the first item of radio interference signal detection information represents both at least one first radio signal parameter (e.g. detected by the first radio communication device) and / or at least one first change in a radio signal parameter (e.g. detected by the first radio communication device) and a first detection position, wherein the first radio signal parameter (i.e. the at least one first radio signal parameter) and / or the first change in the radio signal parameter (i.e. the at least one first change in the radio signal parameter) is characteristic of a radio interference signal, and wherein the first radio signal parameter (i.e. the at least one first radio signal parameter) and / or the first change in the radio signal parameter (i.e.the at least one first change in the radio signal parameter) was detected at the first detection position, determining a radio communication interference area based at least in part on the first radio interference signal detection information.

[0017] The fact that the method according to the second aspect of the invention is carried out by one or more devices should be understood, for example, to mean that the device carries out the steps of the method according to the second aspect of the invention or the devices cooperate to carry out the steps of the method according to the second aspect. For example, the device or devices may correspond to the device according to the second aspect of the invention disclosed below.

[0018] According to the second aspect of the invention, a device, in particular a server, is further disclosed, wherein the device is configured to execute and / or control the method according to the second aspect of the invention or comprises respective means for executing and / or controlling the steps of the method according to the second aspect of the invention. As disclosed above in connection with the radio communication device according to the first aspect, different steps can optionally be executed or controlled by different means.

[0019] The means may comprise hardware and / or software components. Accordingly, according to the second aspect of the invention, a device is also to be understood as disclosed, which comprises at least one processor and at least one memory with program instructions, wherein the at least one memory and the program instructions are configured, together with the at least one processor, to cause the device to execute and / or control the method according to the second aspect of the invention.

[0020] Alternatively or additionally, the means may further comprise one or more communication interfaces (e.g., one or more wired and / or wireless communication interfaces) and / or one or more user interfaces (e.g., a keyboard, a mouse, a screen, a touchscreen, a speaker, a microphone, etc.). It is understood that the device according to the second aspect of the invention may also comprise other means not listed.

[0021] The device according to the second aspect of the invention is, for example, a server, in particular a server remote from the first radio communication device and / or the first commercial vehicle. Such a server can, for example, be both a physical server (i.e., a server with hardware and / or software components) and a virtual server. A virtual server is understood, for example, to be a server functionality provided by hardware and / or software components of one or more physical servers (e.g., multiple servers in a so-called server cloud), with the multiple physical servers interacting, for example, to provide the functionality of the virtual server.

[0022] The device according to the second aspect of the invention corresponds, for example, to the device or is part of the devices that carry out the method according to the second aspect of the invention.

[0023] According to the second aspect of the invention, a computer program is further disclosed, wherein the computer program comprises program instructions which, when executed by at least one processor, are designed to cause a device (eg the device according to the second aspect of the invention) to carry out the method according to the second aspect.

[0024] The computer program according to the second aspect of the invention is, for example, contained and / or stored on a computer-readable storage medium.

[0025] According to the third aspect of the invention, a system is further disclosed, the system comprising: A commercial vehicle with a radio communication device according to the first aspect of the invention; a device according to the second aspect of the invention.

[0026] The disclosures of the first aspect, the second aspect, and the third aspect of the invention correspond to one another. For example, a radio communication device (e.g., the first radio communication device and / or the second radio communication device disclosed below) in the method according to the second aspect of the invention may be a radio communication device according to the first aspect of the invention. Likewise, the remote device in the method according to the first aspect of the invention may be a device according to the second aspect of the invention. Accordingly, the disclosure of a feature disclosed for one aspect of the invention shall, where appropriate, also be deemed to be a disclosure of a corresponding feature of one or more of the further aspects of the invention.

[0027] In the following, the properties of the methods, the devices, the computer programs and the system according to the aspects of the invention are described - partly by way of example.

[0028] A commercial vehicle is understood to mean, for example, a truck, a trailer, or a semi-trailer (in particular a trailer or a semi-trailer). Such commercial vehicles are intended in particular for the transport of goods, preferably general cargo, on public roads. For this purpose, the commercial vehicles have various types of bodies that serve to accommodate the goods to be transported in a loading space. For example, box bodies with solid side walls and a solid roof enclosing the loading space are known. Because the box bodies are closed, they are particularly suitable for the transport of moisture-sensitive and / or temperature-sensitive goods, for example for so-called dry transport and / or refrigerated transport.In addition to box bodies, there are also so-called tarpaulin bodies, in which the side walls and roof are closed by at least one tarpaulin. The front wall of tarpaulin bodies is usually a solid wall, while the rear wall is usually formed by two hinged doors to allow loading from the rear as needed. If a tarpaulin can be moved along the side wall, it is also referred to as a curtainsider.

[0029] A radio signal, for example, is used to transmit information. Such a radio signal is obtained, for example, using a modulation technique (e.g., amplitude modulation, amplitude shift keying, or frequency shift keying), in which a useful signal, which contains the information to be transmitted in coded form, modifies (i.e., modulates) a so-called carrier signal (e.g., with a predetermined frequency or with a frequency within a predetermined frequency band).

[0030] In contrast, a radio interference signal serves, for example, to prevent the transmission of information via a radio signal, for example by preventing the reception of the radio signal. For this purpose, the radio interference signal is transmitted, for example, by a jammer at the same frequency as the carrier signal of the radio signal or at a frequency in the same frequency band as the carrier signal of the radio signal, so that the radio interference signal superimposes the radio signal within a coverage area of ​​the jammer in such a way that the reception of the radio signal is prevented. Accordingly, the coverage area of ​​the jammer is understood to be, for example, the area in which the radio interference signal prevents the reception of the radio signal. For example, this superposition leads to such a reduction in the signal-to-noise ratio (e.g.a reduction in the signal-to-noise ratio to a value less than or equal to 10 dB) within the jammer's coverage area means that reception of the radio signal is not possible; and in the vicinity of the jammer but outside the jammer's coverage area (e.g. in an area adjacent to the edge of the coverage area), reception of the radio signal may be possible but made more difficult (e.g. due to a reduced signal-to-noise ratio there too, e.g. a reduction in the signal-to-noise ratio to a value in the range 10 dB to 15 dB). It is understood that a jammer can emit multiple radio interference signals (e.g. simultaneously and / or on different frequencies and / or in different frequency bands).

[0031] A radio signal parameter is, for example, a parameter that qualitatively or quantitatively represents a (e.g. physical) quantity and / or property of a radio signal such as a signal-to-noise ratio, a signal-to-interference ratio, a reception field strength, a presence of non-synchronizable carrier frequencies, a bit error rate or a connection drop rate.

[0032] The detection of a radio signal parameter (e.g., the first radio signal parameter) or a change in the radio signal parameter (e.g., the first change in the radio signal parameter) can, for example, be carried out at least partially based on a received radio signal (e.g., via a wireless communication interface, e.g., a wireless communication interface in the form of a radio interface). For example, the detection of such a radio signal parameter can comprise measuring and / or determining the quantity and / or property of the received radio signal represented by the radio signal parameter. The detection position at which the radio signal parameter was detected is understood to mean, for example, the position at which the radio signal was received.

[0033] In order to detect a change in the radio signal parameter, a plurality of consecutive radio signal parameters can be detected, for example by continuously or repeatedly measuring and / or determining the quantity and / or property of the respectively received radio signal represented by the consecutive radio signal parameters. A change in the radio signal parameter should accordingly be understood as a qualitative or quantitative change in the quantity and / or property of the radio signal, which is represented by (e.g. two) radio signal parameters detected consecutively and / or within a predetermined time interval. The detection position at which the change in the radio signal parameter was detected should be understood as, for example, the detection position of the last (i.e. most recent) radio signal parameter of these radio signal parameters.

[0034] A radio signal parameter characteristic of a radio interference signal (e.g. the first radio signal parameter) should be understood as, for example, a radio signal parameter that is characteristic of whether the reception of the radio signal at the detection position (e.g. the first detection position) at which the radio signal parameter was detected is impaired (e.g. made more difficult) by a radio interference signal. Likewise, a change in a radio signal parameter that is characteristic of a radio interference signal (e.g. the first change in the radio signal parameter) should be understood as, for example, a change in the radio signal parameter that is characteristic of whether the reception of the radio signal at the detection position (e.g. the first detection position) at which the change in the radio signal parameter was detected is impaired (e.g. made more difficult) by a radio interference signal. Accordingly, a radio signal parameter characteristic of a radio interference signal (e.g.B. the first radio signal parameter) or a change in a radio signal parameter characteristic of a radio interference signal (e.g. the first change in the radio signal parameter), enabling the determination based at least in part on whether the reception of the radio signal at the respective detection position (e.g. the first detection position) is impaired (e.g. made more difficult) by a radio interference signal.

[0035] In order to determine whether the reception of the radio signal at the respective detection position is impaired (e.g., made more difficult) by a radio interference signal, the rules can, for example, specify for which radio signal parameter or for which change in the radio signal parameter it is to be determined that the reception of the radio signal at the respective detection position is impaired (e.g., made more difficult) by a radio interference signal. For example, the signal-to-noise ratio decreases due to the superposition of a radio signal with a radio interference signal, so that, for example, it can be specified that for a change in a radio signal parameter in the form of a decrease in the signal-to-noise ratio by more than a predetermined signal-to-noise ratio difference threshold value (e.g.,within a predetermined period of time or between two consecutively detected radio signal parameters) or for a radio signal parameter in the form of a signal-to-noise ratio that is less than a predetermined signal-to-noise ratio threshold, it is to be determined that the reception of the radio signal at the respective detection position is impaired (e.g., made more difficult or impossible) by a radio interference signal. It is understood that determining whether the reception of the radio signal at the respective detection position is impaired (e.g., made more difficult) by a radio interference signal can, for example, be part of the detection according to the first aspect of the invention or part of the determination of the radio communication interference area according to the second aspect of the invention.

[0036] A detection position (e.g., the first detection position) is the position at which a radio signal parameter (e.g., the first radio signal parameter) or a change in a radio signal parameter (e.g., the first change in the radio signal parameter) was detected. This should be understood, for example, to mean that the detection of the radio signal parameter or the change in the radio signal parameter is carried out at least partially based on a radio signal received at the detection position (e.g., via a wireless communication interface, e.g., a wireless communication interface in the form of a radio interface). Such a detection position can, for example, be determined by a position sensor (e.g., a position sensor of a global navigation satellite system for position determination such as GPS (Global Positioning System) or Galileo) of a radio communication device (e.g.,of the radio communication device according to the first aspect of the invention) or of a commercial vehicle. It is understood that the detected detection position may deviate slightly from the actual detection position. It is understood that embodiments in which the detected detection position deviates slightly from the actual detection position are also to be understood as being covered by the invention. Reasons for a slight deviation can be, for example, inaccuracies in the position determination (e.g. within the scope of the typical inaccuracy of a global navigation satellite system for position determination, e.g. an inaccuracy and / or deviation of no more than 5 m, 15 m or 50 m) and / or a time offset (e.g. a time offset of no more than 1 s, 5 s or 10 s) between the detection of the radio signal parameter (e.g. the first radio signal parameter) and / or the change of a radio signal parameter (e.g.the first change of the radio signal parameter) and the detection of the detection position (e.g. the first detection position).

[0037] The first detection position detected according to the first aspect of the invention is, for example, the position at which the radio communication device and / or the commercial vehicle was located when the radio communication device of the commercial vehicle detected the first radio signal parameter or the first change in the radio signal parameter. Similarly, the first detection position according to the second aspect of the invention, when the first radio communication device has detected the first radio signal parameter or the first change, can be the position at which the first radio communication device and / or the first commercial vehicle was located when the first radio communication device of the first commercial vehicle detected the first radio signal parameter or the first change in the radio signal parameter.

[0038] The first radio interference signal detection information sent to a remote device according to the first aspect of the invention corresponds, for example, to the first radio interference signal detection information received from a first radio communication device of a first commercial vehicle according to the second aspect of the invention. The transmission and reception of radio interference signal detection information (e.g., the first radio interference signal detection information) according to the aspects of the invention can, for example, take place via a communication path that comprises at least one wireless section. It is understood that the communication path can comprise further wireless and / or wired sections. An example of a communication path or a section of a communication path is a connection in a communication network, such as a wireless communication network (e.g.,a cellular network, a Wi-Fi network, a LoRa network or a Bluetooth network) or a wired communication network (e.g. an Ethernet network or a public telephone network).

[0039] According to aspects of the invention, radio interference signal detection information (e.g. the first radio interference signal detection information) can represent a radio signal parameter (e.g. the first radio signal parameter) and / or a change in a radio signal parameter (e.g. the first change in the radio signal parameter), for example qualitatively (e.g. in the form of an indication as to whether it was determined, at least in part based on the radio signal parameter and / or the change in a radio signal parameter, that the reception of the radio signal at the respective detection position is impaired (e.g. made more difficult or prevented) by a radio interference signal) or quantitatively (e.g. in the form of a parameter value indication).

[0040] Furthermore, radio interference signal detection information (eg the first radio interference signal detection information) according to the aspects of the invention may represent a detection position (eg the first detection position) in the form of a position indication (eg in the form of geographical coordinates such as geographical latitude and longitude).

[0041] The determination of the radio communication interference area based at least partially on the first radio interference signal detection information according to the second aspect of the invention is carried out, for example, according to predetermined rules.

[0042] The fact that the determination is based at least partially on the first radio interference signal detection information should be understood, for example, to mean that the first radio interference signal detection information or the information represented by the first radio interference signal detection information is taken into account in whole or in part during the determination. For example, the first radio signal parameters represented by the radio interference signal detection information and / or the first changes and / or the first detection information are taken into account during the determination.

[0043] For example, determining the radio communication interference area, as disclosed above, may include determining whether reception of the radio signal at the first detection position is impaired (e.g., made more difficult) by a radio interference signal. Alternatively, the first radio interference signal detection information, as disclosed above, may qualitatively represent the first radio signal parameter and / or the first change in the radio signal parameter in the form of an indication of whether it has been determined that reception of the radio signal at the first detection position is impaired (e.g., made more difficult) by a radio interference signal. This determination, as disclosed above, may be made according to predetermined rules and / or at least partially based on the first radio signal parameter represented by the first radio interference signal detection information and / or the first change in the radio signal parameter represented by the first radio interference signal detection information.

[0044] If it has been determined that reception of the radio signal at the first detection position is impaired (e.g., hampered) by a radio interference signal, the radio communication interference area is determined, for example, such that it represents a possible coverage area of ​​the jammer that emitted the radio interference signal and / or an area in which radio communication is expected to be impossible due to the radio interference signal. This determination can also be made according to predetermined rules and / or or at least partially based on the first radio signal parameter represented by the first radio interference signal detection information and / or the first change in the radio signal parameter represented by the first radio interference signal detection information.

[0045] For example, it can be assumed that radio communication is still possible at the first detection position because the first radio interference signal detection information was received according to the second aspect of the invention. Accordingly, for example, it can be specified that the radio communication interference area is determined such that the first detection position is outside the radio communication interference area and / or on the edge (e.g., a corner or an edge) of the radio communication interference area.

[0046] Alternatively or additionally, it can be assumed that the coverage area of ​​the jammer that emitted the radio interference signal is located in an area in the vicinity of the first detection position (e.g., in a circular area with a radius around the first detection position that is predetermined or dependent on the first radio signal parameter or the first change in the radio signal parameter). Accordingly, it can be specified, for example, that the radio communication interference area corresponds to this area and / or is located in this area.

[0047] The invention thus exploits the fact that radio signal parameters characteristic of a radio interference signal are altered by the radio interference signal even outside the coverage area of ​​a jammer, so that the radio interference signal and / or the jammer can be detected and that suitable measures (e.g., the alarm actions disclosed below) can subsequently be taken to minimize the danger to commercial vehicles affected by the radio interference signal and / or the jammer (e.g., commercial vehicles located within the radio communication interference area). The aspects of the invention thus serve, for example, to detect a radio interference signal and / or a jammer.

[0048] In exemplary embodiments according to the aspects of the invention, the first radio signal parameter characteristic of the radio interference signal represents one of the following quantities and / or properties: a signal-to-noise ratio, a signal-to-interference ratio, a received field strength, a presence of non-synchronizable carrier frequencies, a bit error rate, a connection drop rate.

[0049] As disclosed above, a radio signal parameter characteristic of a radio interference signal is understood to mean, for example, a radio signal parameter that is characteristic of whether the reception of the radio signal at the detection position at which the radio signal parameter was detected is impaired (e.g., hindered or prevented) by a radio interference signal. The presence of such a radio interference signal can, for example, lead to a lower signal-to-noise ratio, a lower signal-to-interference ratio, a higher reception field strength, the presence of non-synchronizable carrier frequencies, a higher bit error rate, and / or a higher connection drop rate, each compared to the absence of such a radio interference signal.Accordingly, a radio signal parameter representing one of these quantities and / or properties can be understood as being characteristic of whether the reception of the radio signal at the detection position at which the radio signal parameter was detected is impaired (e.g., made more difficult or prevented) by a radio interference signal.

[0050] In other words, such a radio signal parameter can enable the determination of whether the reception of the radio signal at the detection position at which the radio signal parameter was detected is impaired (e.g., made more difficult or prevented) by a radio interference signal. The determination can be made, for example, based on predetermined threshold values. For example, it can be determined that the reception of the radio signal at the detection position (e.g., the first detection position) at which the radio signal parameter (e.g., the first radio signal parameter) was detected is impaired (e.g., made more difficult) by a radio interference signal and / or that the radio signal parameter indicates this if the radio signal parameter represented by this radio signal parameter: Signal-to-noise ratio is less than a specified signal-to-noise ratio threshold, signal-to-interference ratio is less than a specified signal-to-interference ratio threshold, reception field strength is greater than a specified reception field strength threshold, addition of non-synchronizable carrier frequencies, bit error rate is greater than a specified bit error rate threshold, connection drop rate is greater than a specified connection drop rate threshold, or if the radio signal parameter represents the presence of non-synchronizable carrier frequencies.

[0051] In exemplary embodiments according to aspects of the invention, the first change in the radio signal parameter characteristic of the radio interference signal is one of the following changes: a reduction in a signal-to-noise ratio, a reduction in a signal-to-interference ratio, an increase in a reception field strength, an addition of non-synchronizable carrier frequencies, an increase in a bit error rate, an increase in a connection drop rate.

[0052] For the reasons disclosed above, the occurrence of a radio interference signal can lead to such changes in the signal-to-noise ratio, the signal-to-interference ratio, the received field strength, the bit error rate, the connection drop rate, and the addition of non-synchronizable carrier frequencies. In other words, such a change in a radio signal parameter can also enable the determination of whether the reception of the radio signal at the detection position at which the change in the radio signal parameter was detected is impaired (e.g., made more difficult or prevented) by a radio interference signal. The determination can be made, for example, based on predetermined difference thresholds. For example, it can be determined that the reception of the radio signal at the detection position (e.g., the first detection position) at which the change in the radio signal parameter (e.g., the first change in the radio signal parameter) was detected is impaired (e.g.,is made more difficult) and / or that the change in the radio signal parameter indicates that the change in this radio signal parameter: . a reduction in the signal-to-noise ratio by more than a predetermined signal-to-noise ratio difference threshold (e.g. within a predetermined period of time or between two consecutively detected radio signal parameters), a reduction in the signal-to-interference ratio by more than a predetermined signal-to-interference ratio difference threshold (e.g. within a predetermined period of time or between two consecutively detected radio signal parameters), an increase in a reception field strength by more than a predetermined reception field strength difference threshold (e.g.within a predetermined period of time or between two consecutively detected radio signal parameters), an addition of a number of non-synchronizable carrier frequencies which is greater than a predetermined threshold for the number of non-synchronizable carrier frequencies,- an increase in a bit error rate by more than a predetermined bit error rate difference threshold (e.g. within a predetermined period of time or between two consecutively detected radio signal parameters), an increase in a connection abort rate by more than a predetermined connection abort rate difference threshold (e.g. within a predetermined period of time or between two consecutively detected radio signal parameters).

[0053] In exemplary embodiments according to the aspects of the invention, the first radio interference signal detection information represents, in addition to the at least one first radio signal parameter and / or in addition to the at least one first change in the radio signal parameter, at least one further first radio signal parameter and / or at least one further first change in a further radio signal parameter, wherein the further first radio signal parameter and / or the further first change in the further radio signal parameter are characteristic of the radio interference signal. For example, the at least one further radio signal parameter and / or the at least one further change in the further radio signal parameter was detected at the first detection position (and e.g., at the first detection time).

[0054] In other words, this should be understood to mean that the first radio interference signal detection information according to this embodiment represents a plurality of first radio signal parameters and / or a plurality of first changes in a respective radio signal parameter, wherein each of the first radio signal parameters and / or each of the first changes in a respective radio signal parameter is characteristic of the radio interference signal. For example, each of the plurality of first radio signal parameters and / or each of the plurality of first changes in a respective radio signal parameter was detected at the first detection position (and, for example, at the first detection time).

[0055] Each of the plurality of first radio signal parameters represents, for example, a different quantity and / or property of the radio signal, such as a signal-to-noise ratio, a signal-to-interference ratio, a received field strength, the presence of non-synchronizable carrier frequencies, a bit error rate, or a connection drop rate. Likewise, each of the plurality of first changes in a respective radio signal parameter can represent a respective change in a different quantity and / or property of the radio signal.

[0056] Accordingly, the detection according to the first aspect of the invention may comprise detecting the plurality of first radio signal parameters and / or the plurality of first changes in a respective radio signal parameter. For example, the detection is performed for each of the plurality of first radio signal parameters and / or for each of the plurality of first changes in a respective radio signal parameter as disclosed above for the at least one radio signal parameter and / or the at least one change in the radio signal parameter.

[0057] The determination of the radio communication interference area according to the second aspect of the invention is thereby based at least partially on the first radio interference signal detection information, which according to this embodiment represents the plurality of first radio signal parameters and / or the plurality of first changes in a respective radio signal parameter.

[0058] For example, determining the radio communication interference area, as disclosed above, may include determining whether reception of the radio signal at the first detection position is impaired (e.g., made more difficult) by a radio interference signal. This determination may be made according to predetermined rules and / or at least partially based on the plurality of first radio signal parameters represented by the first radio interference signal detection information according to this embodiment and / or the plurality of first changes in a respective radio signal parameter represented by the first radio interference signal detection information according to this embodiment.

[0059] As disclosed above, a respective threshold value can be specified for each of the plurality of first radio signal parameters and / or a respective difference threshold value can be specified for each of the plurality of first changes in a respective radio signal parameter in order to determine, based on the respective first radio signal parameter and / or on the respective first change in a respective radio signal parameter, whether the reception of the radio signal at the first detection position is impaired (e.g., made more difficult) by a radio interference signal. According to this embodiment, the rules can, for example, be specified that only if each of the plurality of first radio signal parameters and / or each of the plurality of changes in a respective radio signal parameter indicates that the reception of the radio signal at the first detection position is impaired (e.g.,it is determined that the reception of the radio signal at the first detection position is impaired (e.g. made more difficult) by a radio interference signal.

[0060] In exemplary embodiments according to aspects of the invention, the radio interference signal is transmitted in a frequency range used by one of the following radio communication networks: a Wi-Fi network, a Zigbee network, a Bluetooth network, a cellular network, a LoRa network.

[0061] Data transmission over such a wireless communication network can therefore be carried out according to one of the following communication standards: Wi-Fi communication standard, Zigbee communication standard, Bluetooth communication standard, cellular communication standard, or LoRa communication standard. The Bluetooth communication standards are currently available online at www.bluetooth.org. Wi-Fi, for example, is specified in the IEEE 802.11 family of standards. The specifications of the Zigbee communication standard are currently available online at https: / / zigbee.org / . A cellular communication standard, for example, is a 2G / 3G / 4G / 5G communication standard. The specifications of the 2G / 3G / 4G / 5G communication standards are maintained and developed by the 3rd Generation Partnership Project (3GPP) and are currently available online at www.3gpp.com, among other places.The specifications of the LoRa communication standard are currently available online at https: / / lora-alliance.org / .

[0062] These communication standards also specify the frequency ranges used by the respective radio communication network. Further restrictions on these frequency ranges may arise, for example, from international agreements and national and regional regulations.

[0063] By transmitting the radio interference signal in a frequency range used by one of the above-mentioned radio communication networks, the reception of a radio signal in the corresponding radio communication network within the coverage area of ​​the jammer transmitting the radio interference signal can be prevented.

[0064] It is understood that multiple radio interference signals may be emitted in one frequency range used by one of the above-mentioned radio communication networks or in different frequency ranges used by the above-mentioned radio communication networks.

[0065] In exemplary embodiments according to aspects of the invention, the first detection position is a commercial vehicle position. For example, the first detection position is a position of the commercial vehicle of which the radio communication device according to the first aspect of the invention is a part. According to the second aspect of the invention, the first detection position is a position of the first commercial vehicle of which the first radio communication device is a part.

[0066] In exemplary embodiments according to aspects of the invention, the first radio interference signal detection information further represents a first detection speed and / or a first detection movement direction and / or a first detection time.

[0067] A detection time (e.g., the first detection time) is the time at which a radio signal parameter (e.g., the first radio signal parameter) or a change in a radio signal parameter (e.g., the first change in the radio signal parameter) was detected. This should be understood, for example, to mean that the detection of the radio signal parameter or the change in the radio signal parameter is based at least partially on a radio signal received at the detection time (e.g., via a wireless communication interface, e.g., a wireless communication interface in the form of a radio interface).

[0068] A detection speed (e.g., the first detection speed) is, for example, the speed at which a device (e.g., the radio communication device according to the first aspect of the invention) was moving when it detected a radio signal parameter (e.g., the first radio signal parameter) or a change in a radio signal parameter (e.g., the first change in the radio signal parameter).

[0069] A detection movement direction (e.g., the first detection movement direction) is, for example, the direction in which a device (e.g., the radio communication device according to the first aspect of the invention) has moved when it has detected a radio signal parameter (e.g., the first radio signal parameter) or a change in a radio signal parameter (e.g., the first change in the radio signal parameter).

[0070] For example, radio interference signal detection information (e.g., the first radio interference signal detection information) may represent a detection speed (e.g., the first detection speed) in the form of a speed indication and / or a detection movement direction (e.g., the first detection movement direction) in the form of a direction indication and / or a detection time (e.g., the first detection time) in the form of a timestamp.

[0071] The method according to the first aspect of the invention may further comprise: Detecting the first detection speed and / or the first detection movement direction and / or the first detection time.

[0072] The first detection time can be detected, for example, by a clock of the radio communication device and / or the commercial vehicle. The first detection speed can be detected by a speed sensor of the radio communication device and / or the commercial vehicle; and the first detection direction is detected, for example, by a motion sensor of the radio communication device and / or the commercial vehicle.

[0073] It is understood that the detected first detection speed may deviate (e.g. slightly) from the actual first detection speed and / or the detected first detection movement direction from the actual first detection movement direction and / or the detected first detection time from the actual first detection time. It is understood that embodiments in which such (e.g. slight) deviations exist are also to be understood as being covered by the invention. Reasons for a slight deviation may be, for example, inaccuracies in the detection of the first detection speed and / or the first detection movement direction and / or the first detection time (e.g. measurement inaccuracies) and / or a time offset (e.g.a time offset of not more than 1 s, 5 s or 10 s) between the detection of the first radio signal parameter and / or the first change in the radio signal parameter and the detection of the first detection speed and / or the first detection movement direction and / or the first detection time.

[0074] The first radio interference signal detection information may, for example, represent the detected first detection speed and / or the detected first detection movement direction and / or the detected first detection time.

[0075] In exemplary embodiments according to the second aspect, the method further comprises at least one of the following steps: Receiving and / or maintaining a plurality of commercial vehicle position information items, wherein each of the plurality of commercial vehicle position information items represents a past or current position of a respective commercial vehicle of a plurality of commercial vehicles, Determining, based at least in part on the plurality of commercial vehicle position information items, whether at least one commercial vehicle of the plurality of commercial vehicles was, is, or will be within the radio communication interference area, Triggering or causing the triggering of an alarm action if it is determined that at least one commercial vehicle of the plurality of commercial vehicles was, is, or will be within the radio communication interference area.

[0076] As disclosed above, a detection position according to aspects of the invention may be a commercial vehicle position. Accordingly, each of the plurality of commercial vehicle position information items may be part of a radio interference signal detection information received according to the second aspect of the invention (e.g., the first radio interference signal detection information disclosed above, representing the first detection position, and / or the second radio interference signal detection information disclosed below, representing the second detection position). Alternatively or additionally, the commercial vehicle position information of the plurality of commercial vehicle position information items may be received at least partially separately from such radio interference signal detection information.

[0077] The fact that each of the plurality of commercial vehicle position information items represents a past or current position of a respective commercial vehicle of the plurality of commercial vehicles should be understood, for example, in such a way that the plurality of commercial vehicle position information items for each of the commercial vehicles contain at least one piece of commercial vehicle position information received for the respective commercial vehicle. The current position of a respective commercial vehicle is represented, for example, by the most recently received commercial vehicle position information item for the respective commercial vehicle, and a past position of a respective commercial vehicle is represented, for example, by each piece of commercial vehicle position information received before the most recently received commercial vehicle position information item for the respective commercial vehicle.It is understood that the plurality of commercial vehicle position information may be limited to representations of current positions of the plurality of commercial vehicles, such that each of the plurality of commercial vehicle positions represents a current position of a respective commercial vehicle of the plurality of commercial vehicles.

[0078] For example, each of the commercial vehicles of the plurality of commercial vehicles can detect its respective position continuously or repeatedly (e.g., at regular intervals) and send corresponding commercial vehicle position information to the device(s) executing the method according to the second aspect of the invention. Such a position of a commercial vehicle can be detected, for example, by a position sensor (e.g., a position sensor of a global navigation satellite system for determining positions such as GPS (Global Positioning System) or Galileo) of the commercial vehicle or a radio communication device of the commercial vehicle (e.g., the radio communication device according to the first aspect of the invention).

[0079] The transmission and reception of commercial vehicle position information according to aspects of the invention can, as disclosed above for the radio interference signal detection information, take place, for example, via a communication path comprising at least one wireless section. It is understood that the communication path may comprise further wireless and / or wired sections. An example of a communication path or a section of a communication path is a connection in a communication network, such as a wireless communication network (e.g., a cellular network, a WLAN network, a LoRa network, or a Bluetooth network) or a wired communication network (e.g., an Ethernet network or a public telephone network).

[0080] For example, commercial vehicle position information can be kept ready by storing it in a memory of a device (e.g., the device according to the second aspect of the invention). For example, each piece of commercial vehicle position information received according to the second aspect of the invention is stored (e.g., at least until more recent commercial vehicle position information is received for the respective commercial vehicle).

[0081] Determining whether at least one of the plurality of commercial vehicles was, is, or will be within the radio communication interference area shall comprise at least one of the following steps: Determine whether at least one commercial vehicle of the plurality of commercial vehicles was located within the radio communication interference area based at least in part on a past position of the commercial vehicle of the plurality of commercial vehicles represented by the plurality of commercial vehicle position information. Determine whether at least one commercial vehicle of the plurality of commercial vehicles is located within the radio communication interference area based at least in part on a current position of the commercial vehicle of the plurality of commercial vehicles represented by the plurality of commercial vehicle position information. Determine whether at least one commercial vehicle of the plurality of commercial vehicles is located within the radio communication interference area based at least in part on a current position of the commercial vehicle of the plurality of commercial vehicles represented by the plurality of commercial vehicle position information.

[0082] The fact that the determination of whether at least one commercial vehicle of the plurality of commercial vehicles was, is, or will be within the radio communication interference area is based at least in part on the plurality of commercial vehicle position information should accordingly be understood, for example, in such a way that at least a part (e.g., each) of the past and / or current positions represented by the plurality of commercial vehicle position information is taken into account in the determination.

[0083] For example, in determining whether at least one commercial vehicle of the plurality of commercial vehicles is or will be within the radio communication interference area, only the current positions represented by the plurality of commercial vehicle position information may be taken into account; and in determining whether at least one commercial vehicle of the plurality of commercial vehicles was within the radio communication interference area, for example, only the past positions represented by the plurality of commercial vehicle position information may be taken into account.

[0084] Furthermore, the determination of whether at least one commercial vehicle of the plurality of commercial vehicles was, is, or will be within the radio communication interference area can be carried out according to predetermined rules. For example, it can be specified that it is determined that a commercial vehicle of the plurality of commercial vehicles is within the radio communication interference area if a respective piece of commercial vehicle position information from the plurality of commercial vehicle position information represents a position within the radio communication interference area as the current position of this commercial vehicle.Alternatively or additionally, it can be specified that it is determined that a commercial vehicle of the plurality of commercial vehicles will be located within the radio communication interference area if a respective piece of commercial vehicle position information from the plurality of commercial vehicle position information represents, as the current position of this commercial vehicle, a position with a distance from the edge of the radio communication interference area that is less than a predetermined distance threshold (e.g., 5 m, 10 m, or 50 m). Furthermore, it can be specified that it is determined that a commercial vehicle of the plurality of commercial vehicles was located within the radio communication interference area if a respective piece of commercial vehicle position information from the plurality of commercial vehicle position information represents, as the past position of this commercial vehicle, a position within the radio communication interference area.

[0085] If it is determined that at least one of the plurality of commercial vehicles was, is, or will be within the radio communication jamming area, it is assumed, for example, that this commercial vehicle was, is, or will be within the coverage area of ​​a jammer and thus there was, is, or will be an increased risk of cargo theft from the commercial vehicle (i.e., the commercial vehicle was / is at risk). Such jammers are often used in thefts to prevent radio communication between the commercial vehicle (e.g., with an emergency call center).

[0086] Therefore, if it is determined that at least one of the plurality of commercial vehicles was, is, or will be within the radio communication interference range, an alarm action is executed or the execution of an alarm action is effected. In this case, the effect of the execution of an alarm action should be understood to mean that the device(s) executing the method according to the second aspect of the invention do not execute the alarm action, but instead cause another device (e.g., a commercial vehicle) to execute the alarm action.

[0087] An alarm action can involve notifying a user such as an emergency call center or one or more drivers of commercial vehicles that are in the vicinity of the endangered commercial vehicle (e.g. within an area with a specified radius around the current position of the endangered commercial vehicle) or a dispatcher responsible for the endangered commercial vehicle. The emergency call center or the dispatcher responsible for the endangered commercial vehicle can be assigned to the endangered commercial vehicle (e.g. in an entry in a database) and notified by telephone via an automatic call (e.g. to a telephone number stored in the database entry). The commercial vehicles that are in the vicinity of the endangered commercial vehicle (e.g.For example, the location of the commercial vehicles located within the vicinity of the endangered commercial vehicle (e.g., within a predetermined radius around the current position of the endangered commercial vehicle) may be determined based at least in part on the plurality of commercial vehicle position information. Subsequently, the drivers of the commercial vehicles determined to be located within the vicinity of the endangered commercial vehicle (e.g., within a predetermined radius around the current position of the endangered commercial vehicle) may be notified by an automated call (e.g., to a telephone number stored in a database entry for the respective commercial vehicle).

[0088] Alternatively or additionally, an alarm action may be an action performed by one or more commercial vehicles located in the vicinity of the endangered commercial vehicle (e.g., within an area with a predetermined radius around the current position of the endangered commercial vehicle), such as activating the hazard warning lights and / or the low or high beams and / or a horn of the respective commercial vehicle. As disclosed above, the commercial vehicles located in the vicinity of the endangered commercial vehicle (e.g., within an area with a predetermined radius around the current position of the endangered commercial vehicle) may, for example, be determined based at least in part on the plurality of commercial vehicle position information. Subsequently, control information may be sent to the commercial vehicles determined to be in the vicinity of the endangered commercial vehicle (e.g.,within an area with a specified radius around the current position of the endangered commercial vehicle) which are designed to control the commercial vehicles in such a way that they carry out the respective action, such as activating the hazard warning lights and / or the dipped or main beam headlights and / or a horn.

[0089] Alternatively or additionally, the method according to the second aspect may comprise the following step: Requesting second radio interference signal detection information from a second radio communication device of a second commercial vehicle, wherein the plurality of commercial vehicle position information represents a current position of the second commercial vehicle that is within a predetermined distance (e.g., 50 m, 100 m, 500 m, 1000 m, or 5000 m) from the first detection position.

[0090] If it is determined, at least in part based on the first piece of radio interference detection information, that reception of the radio signal at the first detection position is impaired (e.g., made more difficult) by a radio interference signal, it can be provided, for example, that radio interference detection information is requested from the second radio communication device of the second commercial vehicle when the second commercial vehicle is within the predetermined distance (e.g., 50 m, 100 m, 500 m, 1,000 m, or 5,000 m) from the first detection position. For this purpose, it can be determined, for example, at least in part based on the plurality of pieces of commercial vehicle position information, that the second commercial vehicle is within the predetermined distance (e.g., 50 m, 100 m, 500 m, 1,000 m, or 5,000 m) from the first detection position.

[0091] In exemplary embodiments according to the second aspect of the invention, the radio communication interference area is determined such that it represents an area in which, based at least in part on the first radio interference signal detection information, it is expected that radio communication is not possible due to the radio interference signal. The determination can be made according to predetermined rules, as disclosed above.

[0092] In exemplary embodiments according to the second aspect of the invention, the method further comprises: Receiving a second radio interference signal detection information item from a second radio communication device of a second commercial vehicle, wherein the second radio interference signal detection information item represents both at least one second radio signal parameter (e.g. detected by the second radio communication device) and / or at least one second change in a radio signal parameter (e.g. detected by the second radio communication device) as well as a second detection position, wherein the second radio signal parameter (e.g. detected by the second radio communication device) (i.e. the at least one second radio signal parameter) and / or the second change in the radio signal parameter (e.g. detected by the second radio communication device) (i.e. the at least one second change in the radio signal parameter) is characteristic of a radio interference signal, and wherein the second radio signal parameter (e.g. detected by the second radio communication device) (i.e.the at least one second radio signal parameter) and / or the second change in the radio signal parameter (detected by the second radio communication device) (ie the at least one second change in the radio signal parameter) was detected at the second detection position. .

[0093] It is understood that the second radio communication device, like the first radio communication device according to the second aspect of the invention, may be a radio communication device according to the first aspect of the invention.

[0094] Furthermore, it is understood that the second radio communication device of the second commercial vehicle may be at least partially different from the first radio communication device of the first commercial vehicle. For example, the second radio signal parameter and / or the second change in the radio signal parameter may be different from the first radio signal parameter and / or the first change in the radio signal parameter according to the second aspect of the invention. Alternatively or additionally, the second detection position may be different from the first detection position according to the second aspect of the invention.

[0095] Furthermore, the above disclosure regarding the first radio interference detection information according to the second aspect of the invention shall also be deemed to be a disclosure for the second radio interference detection information according to the second aspect of the invention.

[0096] In particular, the radio communication interference area should also be determined at least partially based on the second radio interference signal detection information. In other words, the second radio interference signal detection information should be taken into account in the same way as the first radio interference signal detection information when determining the radio communication interference area. As disclosed above, the radio communication interference area can be determined according to predetermined rules.

[0097] For example, these rules should apply equally to the first radio interference signal detection information and the second radio interference signal detection information.

[0098] As disclosed above, it can be specified, for example, that the radio communication interference area is determined such that the first detection position is outside the radio communication interference area and / or on the edge (e.g., a corner or on an edge) of the radio communication interference area. Accordingly, the radio communication interference area should be determined, with additional consideration of the second radio interference signal detection information, such that the first detection position and the second detection position are outside the radio communication interference area and / or on the edge (e.g., a respective corner or on a respective edge) of the radio communication interference area.

[0099] Alternatively or additionally, it can be assumed that the coverage area of ​​the jammer that emitted the radio interference signal is located both in an area surrounding the first detection position and in an area surrounding the second detection position (e.g., in each case in a circular area with a radius around the first detection position that is predetermined or dependent on the first radio signal parameter or the first change in the radio signal parameter). Accordingly, it can be specified, for example, that the radio communication interference area corresponds to an area and / or is located in an area in which the area surrounding the first detection position and the area surrounding the second detection position overlap.For example, the radio communication interference area corresponds to and / or is located in the overlap area in which a first circular area with a radius around the first detection position that is predetermined or dependent on the first radio signal parameter or the first change in the radio signal parameter and a second circular area with a radius around the second detection position that is predetermined or dependent on the second radio signal parameter or the second change in the radio signal parameter.

[0100] For example, the method according to the second aspect of the invention may further comprise: Requesting the second radio interference signal detection information from the second radio communication device of the second commercial vehicle, wherein the second radio interference signal detection information is received from the second radio communication device of the second commercial vehicle in response to this request.

[0101] As disclosed above, if it is determined, at least in part based on the first radio interference signal detection information, that reception of the radio signal at the first detection position is impaired (e.g., made more difficult) by a radio interference signal, it can be provided that radio interference signal detection information is requested from the second radio communication device of the second commercial vehicle when the second commercial vehicle is within a predetermined distance (e.g., 50 m, 100 m, 500 m, 1000 m, or 5000 m) from the first detection position. For this purpose, it can be determined, for example, at least in part based on the plurality of commercial vehicle position information items received and / or kept ready as disclosed above, whether one or more further commercial vehicles are / are within the predetermined distance (e.g., 50 m, 100 m, 500 m, 1000 m, or 5000 m) from the first detection position.The second commercial vehicle is obtained, for example, as a result of this determination. For example, it is determined that the second commercial vehicle is within the predetermined distance from the first detection position if one piece of commercial vehicle position information from the plurality of pieces of commercial vehicle position information represents a current commercial vehicle position of the second commercial vehicle within the predetermined distance from the first detection position.

[0102] In exemplary embodiments according to the second aspect of the invention, the method further comprises: Receiving a plurality of radio interference signal detection information from a plurality of radio communication devices of a plurality of commercial vehicles.

[0103] The above disclosure regarding the first radio interference detection information and the second radio interference detection information also applies to each of the plurality of radio interference detection information items. Accordingly, each of the plurality of radio interference detection information items can be considered when determining the radio communication interference area.

[0104] In particular, the above-disclosed first radio interference signal detection information and / or the above-disclosed second radio interference signal detection information may be part of the plurality of radio interference signal detection information.

[0105] For example, the method according to the second aspect of the invention may further comprise: Requesting the plurality of radio interference signal detection information from the plurality of radio communication devices of the plurality of commercial vehicles, wherein the plurality of radio interference signal detection information is received from the plurality of radio communication devices of the plurality of commercial vehicles in response to this request.

[0106] If it is determined, at least in part based on the first radio interference signal detection information, that reception of the radio signal at the first detection position is impaired (e.g., made more difficult) by a radio interference signal, it can be provided, for example, that a respective piece of radio interference signal detection information is requested from the plurality of radio communication devices of the plurality of commercial vehicles when each of the plurality of commercial vehicles is within a predetermined distance (e.g., 50 m, 100 m, 500 m, 1000 m, or 5000 m) from the first detection position. For this purpose, as disclosed above, it can be determined, for example, at least in part based on the plurality of commercial vehicle position information items received and / or kept available as disclosed above, whether one or more further commercial vehicles are within a predetermined distance from the first detection position.The plurality of commercial vehicles is obtained, for example, as a result of this determination. For example, it is determined that each of the plurality of commercial vehicles is within the predetermined distance from the first detection position if a respective piece of commercial vehicle position information from the plurality of commercial vehicle position information represents a respective current commercial vehicle position within the predetermined distance from the first detection position for each of the plurality of commercial vehicles.

[0107] Further advantageous exemplary embodiments of the invention can be found in the following detailed description of some exemplary embodiments of the present invention, particularly in conjunction with the figures. However, the figures appended to the application are intended only for the purpose of illustration and not to define the scope of the invention. The accompanying drawings are not necessarily to scale and are intended merely to reflect the general concept of the present invention by way of example. In particular, features contained in the figures should in no way be considered a necessary part of the present invention.

[0108] They show: Fig. 1a, 1b show a schematic representation of an exemplary embodiment of a system according to the third aspect of the invention; Fig. 2 show a schematic representation of an embodiment of a radio communication device according to the first aspect of the invention; Fig. 3 show a schematic representation of an embodiment of a device according to the second aspect of the invention; Fig. 4 show a flowchart of an embodiment of a method according to the first aspect of the invention; Fig. 5 show a flowchart of an embodiment of a method according to the second aspect of the invention.

[0109] Fig. 1a is a schematic representation of an exemplary embodiment of a system 1 according to the third aspect of the invention.

[0110] The system 1 comprises, among other things, a first commercial vehicle 101. Furthermore, Fig. 1aa second commercial vehicle 102 and further commercial vehicles 103 to 105 are shown as part of the system 1, so that the system 1 has a plurality of commercial vehicles 101 to 105. The commercial vehicles 102 to 105 should be understood as merely optional parts of the system 1. The commercial vehicles 101 to 105 are shown in Fig. 1a exemplified as semi-trailers pulled by one of the respective towing vehicles 106 to 110. Each of the semi-trailers 101 to 105 includes one of the radio communication devices 2-1 to 2-5, each of which is a radio communication device according to the first aspect of the invention.

[0111] Furthermore, the system 1 comprises a device 3 remote from the semi-trailers 101 to 105 and the radio communication devices 2-1 to 2-5, which in Fig. 1a is shown as a server, for example. Server 3 is a device according to the second aspect of the invention.

[0112] In Fig. 1a Respective communication paths 111 to 115 between the radio communication devices 2-1 to 2-5 of the semi-trailers 101 to 105 and the server 3 are shown. Via the communication path 111, the radio communication device 2-1 of the semi-trailer 101 and the server 3 can exchange (e.g., send and receive) information (e.g., radio interference detection information). Similarly, the radio communication devices 2-2 to 2-5 of the semi-trailers 102 to 105 and the server 3 can exchange (e.g., send and receive) information (e.g., radio interference detection information) via the respective communication paths 112 to 115.

[0113] In the following, it is assumed, by way of example, that each of the communication paths 111 to 115 comprises a respective connection via a cellular network, such as a 2G / 3G / 4G / 5G communication network. For example, the radio communication devices 2-1 to 2-5 can wirelessly transmit and / or receive information via the respective connection via the cellular network of the respective communication path of the communication paths 111 to 115. As disclosed above, the specifications of the 2G / 3G / 4G / 5G communication standards are maintained and developed by the 3rd Generation Partnership Project (3GPP) and are currently available online, including at www.3gpp.com.

[0114] It is understood that each of the communication paths 111 to 115 may further include a connection via a wired network, such as an Ethernet network. For example, it is assumed below that the server 3 can send and / or receive information via the respective connection via the wired network of the respective communication path of the communication paths 111 to 115. Ethernet is specified, for example, in the standards of the IEEE 802.3 family.

[0115] The exchange of information via communication paths 111 to 115 can be encrypted.

[0116] In addition, Fig. 1a A dispatcher and / or an emergency call center are optionally represented by reference numeral 124. Server 3 can communicate with dispatcher / emergency call center 124, for example, via communication path 125. Dispatcher / emergency call center 124 should not be considered part of System 1.

[0117] Fig. 1b is a schematic representation of an exemplary scenario to explain the invention. Fig. 1b shows a plan view of an arrangement of the semi-trailers 101 to 105 of the Fig. 1a system shown, for example, the semi-trailers are parked in a parking lot according to this arrangement.

[0118] Furthermore, a jammer 116 is located between the semi-trailers 104 and 105.

[0119] This jammer 116 is configured, for example, to transmit a radio interference signal to prevent the reception of a mobile radio signal. For this purpose, the radio interference signal is transmitted, for example, by the jammer at the same frequency as the carrier signal of the mobile radio signal or at a frequency in the same frequency band as the carrier signal of the mobile radio signal, so that the radio interference signal superimposes the mobile radio signal within a coverage area 117 of the jammer in such a way that reception of the mobile radio signal is prevented. For example, this superimposition leads to such a reduction in the signal-to-noise ratio within the coverage area 117 of the jammer 116 that reception of the mobile radio signal is not possible; and in the vicinity of the jammer, but outside the coverage area 117 of the jammer (e.g.In some areas (e.g., in an area adjacent to the edge of the coverage area), reception of the mobile signal may be possible but difficult (e.g., due to a reduced signal-to-noise ratio there as well). Simultaneously with the reduction in the signal-to-noise ratio, for example, an increased reception field strength occurs. It is understood that the jammer 116 can transmit multiple radio interference signals (e.g., simultaneously and / or at different frequencies and / or in different frequency bands).

[0120] Semi-trailers 104 and 105 are located within the coverage area 117 of jammer 116, and semi-trailers 101, 102, and 103 are located outside the coverage area 117 of jammer 116. Therefore, it is assumed below that semi-trailers 104 and 105 are not receiving a mobile radio signal and thus cannot exchange information with server 3 via the respective communication paths 114 and 115. Furthermore, it is assumed below that reception of the mobile radio signal by the respective radio communication device of semi-trailers 101, 102, and 103 is hampered due to the reduced signal-to-noise ratio, but that they can still exchange information with server 3 via the respective communication paths 111, 112, and 113.

[0121] Fig. 2shows a schematic representation of an embodiment of a radio communication device 2 according to the first aspect of the invention. In the following, it is assumed by way of example that each of the radio communication devices 2-1 to 2-5 of the semi-trailers 101 to 105 of the Fig. 1 System 1 shown in this Fig. 2 illustrated radio communication device 2.

[0122] The radio communication device 2 comprises a processor 200 and, connected to the processor 200, a first memory as program memory 201, a second memory as main memory 202, as well as a first network interface 203 and a position sensor 204. Furthermore, the radio communication device 2 optionally comprises a second network interface 205.

[0123] A processor is understood to mean, for example, a microprocessor, a microcontrol unit, a microcontroller, a digital signal processor (DSP), an application-specific integrated circuit (ASIC), or a field-programmable gate array (FPGA). It is understood that the radio communication device 2 can also comprise multiple processors 200.

[0124] Processor 200 executes program instructions stored in program memory 201 and stores, for example, intermediate results or the like in main memory 202. The program memory 201 contains, for example, program instructions of a computer program according to the first aspect of the invention, which includes program instructions that cause the processor 200 to execute the method according to the first aspect of the invention (e.g., the method according to the Fig. 4flowchart 4) when the processor 200 executes these program instructions stored in program memory 201.

[0125] Program memory 201 further contains, for example, the operating system of the radio communication device 2, which is at least partially loaded into main memory 202 upon startup of the radio communication device 2 and executed by the processor 200. In particular, upon startup of the radio communication device 2, at least a portion of the core of the operating system is loaded into main memory 202 and executed by the processor 200.

[0126] An example of an operating system is a Windows, UNIX, Linux, Android, Apple iOS, and / or MAC OS operating system. The operating system enables, in particular, the use of the radio communication device 2 for data processing. For example, it manages resources such as a main memory and a program memory, provides basic functions to other computer programs through programming interfaces, among other things, and controls the execution of computer programs.

[0127] A program memory is, for example, a non-volatile memory such as flash memory, magnetic memory, EEPROM (electrically erasable programmable read-only memory), and / or optical memory. A main memory is, for example, a volatile or non-volatile memory, in particular a random access memory (RAM) such as static random access memory (SRAM), dynamic random access memory (DRAM), ferroelectric random access memory (FeRAM), and / or magnetic random access memory (MRAM).

[0128] Main memory 202 and program memory 201 can also be configured as a single memory. Alternatively, main memory 202 and / or program memory 201 can each be formed by multiple memories. Furthermore, main memory 202 and / or program memory 201 can also be part of processor 200.

[0129] Processor 200 controls the first network interface 203. Network interface 203 is a wireless network interface in the form of a radio interface. In the following, it is assumed, by way of example, that network interface 203 is configured to exchange information (e.g., to send and / or receive information) with a remote device via a connection in a mobile network, such as a 2G / 3G / 4G / 5G communication network. Communication interface 203 is thus a mobile network interface (e.g., a 2G / 3G / 4G / 5G communication interface).

[0130] Furthermore, network interface 203 is configured to detect (e.g., measure and / or determine) one or more radio signal parameters at regular time intervals (e.g., at regular time intervals of 2 s, 60 s, 5 min, or 15 min). Such a radio signal parameter represents, for example, a size and / or property of a mobile radio signal received by network interface 203. In the following, it is assumed, by way of example, that network interface 203 is configured to detect one radio signal parameter representing a signal-to-noise ratio of a mobile radio signal received by network interface 203 and to detect another radio signal parameter representing a reception field strength of the mobile radio signal received by network interface 203.

[0131] For example, the radio communication device 2 may use the first network interface 203 to transmit information (e.g., radio interference detection information) via one of the communication paths 111 to 115 to the server 3 of the Fig. 1 system 1 shown (e.g., to transmit and / or receive) and to detect a radio signal parameter representing a signal-to-noise ratio of a mobile radio signal received by the network interface 203. For this purpose, the communication interface 203 comprises, for example, an antenna as well as a transmitter circuit and a receiver circuit or a transceiver circuit.

[0132] Furthermore, processor 200 controls position sensor 204, which is configured to detect a position of radio communication device 2. An example of such a position sensor is a position sensor of a global navigation satellite system for determining positions, such as GPS (Global Positioning System) or Galileo.

[0133] In addition, processor 200 controls the optional second network interface 205, which is designed, for example, as a wired network interface in the form of a CAN, K-line, LIN, or Flexray interface. It is configured, for example, for wired communication with one or more commercial vehicle sensors and / or commercial vehicle components of a commercial vehicle (e.g., the Fig. 1shown semi-trailers 101 to 105) via one or more wired communication connections of a CAN, K-line, LIN, or FlexRay bus system of the commercial vehicle. For example, the radio communication device 2 can receive commercial vehicle information (e.g., speed information and / or direction information) from the commercial vehicle sensors and / or commercial vehicle components and / or send control information to the commercial vehicle sensors and / or commercial vehicle components through the network interface 205. CAN is specified in the ISO 11898 family of standards, K-line is specified in the ISO 9141 and ISO 14230-1 standards, LIN is specified in the ISO 17987 family of standards, and FlexRay is specified in the ISO 17458 family of standards.

[0134] The components 200 to 205 of the radio communication device 2 are communicatively and / or operatively connected to one another, for example, via one or more bus systems (e.g., one or more serial and / or parallel bus connections).

[0135] It is understood that the radio communication device 2 may comprise further components (e.g. a user interface) in addition to the components 200 to 205.

[0136] Fig. 3 shows a schematic representation of an embodiment of a device 3 according to the first aspect of the invention. In the following, it is assumed by way of example that the server 3 of the Fig. 1 System 1 shown in this Fig. 2 shown device 3. For simplification, the device shown in Fig. 2 The device 3 shown is therefore also referred to as server 3.

[0137] The server 3 comprises a processor 300 and, connected to the processor 300, a first memory as program memory 301, a second memory as main memory 302 and a network interface 303.

[0138] Processor 300 is designed in particular as a microprocessor, microcontrol unit such as a microcontroller, digital signal processor (DSP), application-specific integrated circuit (ASIC) or field-programmable gate array (FPGA).

[0139] Processor 300 executes program instructions stored in program memory 301 and stores, for example, intermediate results or the like in main memory 302.

[0140] For example, program instructions are stored in program memory 301 which, when executing the program instructions, cause the processor 300 to carry out the method according to the second aspect of the invention (e.g. the method according to the Fig. 5flowchart 5) shown) at least partially execute and / or control.

[0141] Processor 300 controls the network interface 303, which is configured, for example, to exchange information with a remote device via a connection in a communication network (e.g., to send and / or receive). In the following, it is assumed, by way of example, that the network interface 303 is a wired network interface. An example of a wired network interface is an Ethernet interface. Ethernet is specified, for example, in the standards of the IEEE 802.3 family. For example, the radio communication device 2 can use the network interface 303 to exchange information (e.g., radio interference detection information) via one of the communication paths 111 to 115 with one of the radio communication devices 2-1 to 2-5 of the Fig. 1system 1 shown (e.g. to send and / or receive)

[0142] The components 300 to 303 of the server are communicatively and / or operatively connected to one another, for example, via one or more bus systems (e.g., one or more serial and / or parallel bus connections).

[0143] It is understood that the server may include further components (e.g., a user interface) in addition to components 300 to 303.

[0144] Fig. 4 shows a flowchart 4 of an embodiment of a method according to the first aspect of the invention. In the following, it is assumed by way of example that steps 400 to 402 are carried out by the radio communication device 2-1 of the Fig. 1a System 1 shown in the scenario according to Fig. 1b be executed.

[0145] In a step 400, at least a first radio signal parameter and / or at least a first change in a radio signal parameter is detected, wherein the first radio signal parameter and / or the first change in the radio signal parameter is characteristic of a radio interference signal.

[0146] A radio signal parameter is, for example, a parameter that qualitatively or quantitatively represents a (e.g., physical) quantity and / or property of a radio signal. Such a radio signal parameter or a change in such a radio signal parameter should, for example, be understood as characteristic of a radio interference signal if, based on this, it is possible to determine whether the reception of a radio signal at the respective detection position (e.g., the first detection position) is impaired (e.g., made more difficult) by a radio interference signal. For example, such radio signal parameters characteristic of a radio interference signal can represent a signal-to-noise ratio, a signal-to-interference ratio, a reception field strength, the presence of non-synchronizable carrier frequencies, a bit error rate, or a connection drop rate.Changes in a radio signal parameter that are characteristic of a radio interference signal are, for example, changes between two consecutively detected radio signal parameters, both of which represent one of these properties and / or quantities of the radio signal.

[0147] As disclosed above, the network interface 203 of the radio communication device 2-1 is configured, for example, to measure and / or determine a signal-to-noise ratio and a reception field strength of a mobile radio signal received by the network interface 203. In the following, it is therefore assumed that in step 400, a signal-to-noise ratio and a reception field strength of a mobile radio signal received by the network interface 203 of the radio communication device 2-1 are measured and / or determined. As a result of step 400, for example, two first radio signal parameters are obtained and stored in the program memory 201 of the radio communication device 2-1, wherein one of the first radio signal parameters represents the measured and / or determined signal-to-noise ratio (e.g., quantitatively, e.g.,in the form of a parameter value of the measured signal-to-noise ratio in dB) and the other of the first radio signal parameters represents the measured and / or determined reception field strength (e.g. quantitatively, e.g. in the form of a parameter value of the measured reception field strength in dBm).

[0148] In the scenario according to Fig. 1b Reception of the mobile radio signal by network interface 203 is hampered due to the reduced signal-to-noise ratio. Accordingly, in step 400, radio communication device 2-1 detects a reduced signal-to-noise ratio (e.g., a signal-to-noise ratio less than 10 dB or 15 dB). At the same time, in step 400, radio communication device 2-1 detects an increased reception field strength (e.g., a reception field strength greater than -80 dBm or -70 dBm).

[0149] In step 401, a first detection position is detected, wherein the first radio signal parameter and / or the first change in the radio signal parameter was detected at the first detection position. For example, the position sensor 204 of the radio communication device 2-1 detects the first detection position in step 401. The first detection position should also be understood as the commercial vehicle position of the semi-trailer 101, of which the radio communication device 2-1 is a part. As a result of step 401, for example, first detection position information is obtained that represents the detected first detection position and stored in the program memory 201 or main memory 202 of the radio communication device 2-1.

[0150] In the following, it is assumed that the position sensor 204 Fig. 1bThe position of the radio communication device 2-1 designated by reference numeral 118 is detected as the first detection position in step 401, wherein the reduced signal-to-noise ratio detected in step 400 and the increased reception field strength detected in step 400 were detected based on a mobile radio signal received at the first detection position 118 by the network interface 203.

[0151] In a step 402, a first radio interference signal detection information is sent to a remote device (e.g., server 3 in Fig. 1a ), wherein the first radio interference signal detection information represents both the first radio signal parameter and / or the first change in the radio signal parameter, as well as the first detection position. The transmission in step 402 may, for example, occur in response (e.g., as soon as possible or immediately) to the detection in step 400 and the acquisition in step 401.

[0152] Since the semi-trailer 101 with the radio communication device 2-1 is located outside the coverage area 117 of the jammer 116, the radio communication device 2-1 of the semi-trailer 101 can exchange information with the server 3 despite the radio interference signal emitted by the jammer. Therefore, it is assumed below that the first radio interference signal detection information is sent to the server 3 in step 402 by the network interface 203 via the communication path 111. The first radio interference signal detection information represents the reduced signal-to-noise ratio detected in step 400 and the increased reception field strength detected in step 400, as well as the first detection position 118 detected in step 401.

[0153] Fig. 5shows a flowchart 5 of an embodiment of a method according to the second aspect of the invention. In the following, it is assumed by way of example that steps 500 to 504 are carried out by the server 3 of the Fig. 1a System 1 shown in the scenario according to Fig. 1b be executed.

[0154] In a step 500, at least one first piece of radio interference detection information is received from a first radio communication device of a first commercial vehicle. For example, the network interface 303 of the server 3 can receive the at least one first piece of radio interference detection information in step 500 via one of the communication paths 111 to 115 from one of the semi-trailers 101 to 105 or one of the radio communication devices 2-1 to 2-5, each of which is part of one of the semi-trailers 101 to 105.

[0155] The first radio interference signal detection information represents both at least one first radio signal parameter and / or at least one first change in a radio signal parameter and a first detection position, wherein the first radio signal parameter and / or the first change in the radio signal parameter is characteristic of a radio interference signal, and wherein the radio signal parameter and / or the change in the radio signal parameter was detected at the first detection position. In particular, the first radio interference signal detection information received in step 500 can be added to the first radio interference signal detection information received in step 402 of the Fig. 4 correspond to the flowchart 4 shown.

[0156] It is understood that in step 500, the server 3 may receive a plurality of radio interference signal detection information from a plurality of radio communication devices of a plurality of commercial vehicles.

[0157] As disclosed above, the semi-trailers 102 and 103, like the semi-trailer 101, are located in the scenario according to Fig. 1b outside the coverage area 117 of the jammer, so that their radio communication devices 2-2 and 2-3, like the radio communication device 2-1 of the semi-trailer 101, can exchange information with the server 3 despite the radio interference signal emitted by the jammer 116. However, the reception of the mobile radio signal at the location indicated by the reference numeral 121 in Fig. 1b provided position of the semi-trailer 102 and at the position indicated by the reference numeral 122 in Fig. 1b provided position of the semi-trailer 103. The radio communication device 2-2 of the semi-trailer 102 detects in the scenario according to Fig. 1bat the detection position 121 thus a reduced signal-to-noise ratio and an increased reception field strength, and the radio communication device 2-3 of the semi-trailer 103 detects in the scenario according to Fig. 1b at the detection position 122 a reduced signal-to-noise ratio and an increased reception field strength.

[0158] In the following, it is therefore assumed that in step 500, a first radio interference signal detection information is received via the communication path 111 from the radio communication device 2-1 of the semi-trailer 101, a second radio interference signal detection information is received via the communication path 112 from the radio communication device 2-2 of the semi-trailer 102, and a third radio interference signal detection information is received via the communication path 113 from the radio communication device 2-3 of the semi-trailer 103. The first radio interference signal detection information received in step 500 corresponds to the radio interference signal detection information received in step 402 of the Fig. 4shown flowchart 4 by the radio communication device 2-1 of the semi-trailer 101 and thus represents the reduced signal-to-noise ratio detected in step 400 and the increased reception field strength detected in step 400 as well as the first detection position 118 detected in step 401.Furthermore, the second radio interference detection information received in step 500 represents a reduced signal-to-noise ratio detected at detection position 121 by the radio communication device 2-2 of the semi-trailer 102 and an increased reception field strength detected at detection position 121 by the radio communication device 2-2 of the semi-trailer 102, as well as the second detection position 121; and the third radio interference detection information received in step 500 represents a reduced signal-to-noise ratio detected at detection position 122 by the radio communication device 2-3 of the semi-trailer 103 and an increased reception field strength detected at detection position 122 by the radio communication device 2-3 of the semi-trailer 103, as well as the third detection position 123.

[0159] In a step 501, a radio communication interference area is determined based at least in part on the first radio interference signal detection information.

[0160] For example, the determination in step 501 may include determining whether reception of the radio signal at the first detection position represented by the first radio interference signal detection information is impaired (e.g., made more difficult) by a radio interference signal. This determination may be made based on predetermined rules, which, as disclosed above, may, for example, specify a threshold value for the at least one first radio signal parameter represented by the first radio interference signal detection information and / or a difference threshold value for the at least one change represented by the first radio interference signal detection information.The rules may further specify, for example, that if this threshold value and / or difference threshold value is exceeded or undershot, it is to be determined that the reception of the radio signal at the first detection position represented by the first radio interference signal detection information is impaired (e.g., made more difficult) by a radio interference signal.

[0161] If it has been determined that reception of the radio signal at the first detection position is impaired (e.g., hampered) by a radio interference signal, the radio communication interference area is determined, for example, such that it represents a possible coverage area of ​​the jammer that emitted the radio interference signal and / or an area in which radio communication is expected to be impossible due to the radio interference signal. This determination can also be made according to predetermined rules and / or or at least partially based on the first radio signal parameter represented by the first radio interference signal detection information and / or the first change in the radio signal parameter represented by the first radio interference signal detection information.

[0162] It is understood that for each piece of radio interference detection information received in step 500, it can first be determined in step 500 whether reception of the radio signal at the respective detection position represented by the respective piece of radio interference detection information is impaired (e.g., made more difficult) by a radio interference signal. Since, in this example, the radio interference detection information received in step 500 represents a signal-to-noise ratio and a reception field strength, the rules for this can, for example, specify that reception of the radio signal at the respective detection position is impaired (e.g., made more difficult) if the following conditions are met by the respective radio signal parameters of the respective piece of radio interference detection information: the signal-to-noise ratio represented by the respective radio interference signal detection information is less than a predetermined signal-to-noise ratio threshold (e.g. 10 dB or 15 dB), and the reception field strength represented by the respective radio interference signal detection information is greater than a predetermined reception field strength threshold (e.g. -80 dBm or -70 dBm).

[0163] In the following, it is assumed that these conditions are met for each of the three radio interference signal detection information received in step 500, so that it is determined that the reception of the radio signal at the detection positions 118, 121 and 122 in the scenario according to Fig. 1bimpaired (e.g., made more difficult). Accordingly, the radio communication interference area can be determined in step 501, for example, such that the detection positions 118, 121, and 122 are located outside the radio communication interference area or on the edge of the radio communication interference area. For example, the radio communication area is a rectangle, a polygon, an ellipse, or a circle and is determined such that the detection positions 118, 121, and 122 are located outside the radio communication interference area or on the edge of the radio communication interference area. An example of such an elliptical radio communication interference area 123 is shown in Fig. 1b shown.

[0164] In an optional step 502, a plurality of commercial vehicle position information items is received and / or maintained, wherein each of the plurality of commercial vehicle position information items represents a current position of a respective commercial vehicle of a plurality of commercial vehicles.

[0165] The fact that each of the plurality of commercial vehicle position information items represents a current position of a respective commercial vehicle of the plurality of commercial vehicles should be understood, for example, in such a way that the plurality of commercial vehicle position information items only contain the most recently received commercial vehicle position information item for the respective commercial vehicle. The commercial vehicle position information can be received, for example, via a communication path (e.g., as part of radio interference signal detection information) and subsequently stored in program memory 301 of server 3. Accordingly, the provision of commercial vehicle position information should be understood as the storage of the commercial vehicle position information item.

[0166] In the following, it is assumed that the plurality of commercial vehicle position information for each of the semi-trailers 101 to 105 contains a piece of commercial vehicle position information that represents a current commercial vehicle position. These current commercial vehicle positions are for the semi-trailers 101, 102, and 103 in the scenario according to Fig. 1bfor example, the detection positions 118, 121, and 122 represented by the radio interference signal detection information received in step 500. Since the semi-trailers 104 and 105 cannot exchange information with the server 3 via the respective communication paths 114 and 115 in this scenario in step 500, the current commercial vehicle positions for the semi-trailers 104 and 105 are detection positions 119 and 120 represented, for example, by radio interference signal detection information that was last received and / or already received before step 500 (e.g., before the jammer 116 was activated).

[0167] As disclosed above, based on this plurality of commercial vehicle position information, it can be determined, for example, whether one or more additional commercial vehicles (e.g., a plurality of commercial vehicles) are located within a predetermined distance from the first detection position 118 (or the second detection position 121 or the third detection position 122) if it is determined in step 500 that the reception of the radio signal at the first detection position 118 (or the second detection position 121 or the third detection position 122) is impaired (e.g., difficult). The server 3 can then, for example, request radio interference signal detection information from each of these additional commercial vehicles. In the scenario according to Fig. 1bThese are, for example, semi-trailers 104 and 105, so that respective radio interference signal detection information could be requested from the radio communication devices 2-4 and 2-5 of the semi-trailers 104 and 105. Since the semi-trailers 104 and 105 cannot exchange information with the server 3 via the respective communication paths 114 and 115, the server 3 does not receive a response in the form of respective radio interference signal detection information to such a request.

[0168] In an optional step 503, it is determined, based at least in part on the plurality of commercial vehicle position information, whether at least one commercial vehicle of the plurality of commercial vehicles is within the radio communication interference range.

[0169] The determination of whether at least one commercial vehicle of the plurality of commercial vehicles is located within the radio communication interference area can be carried out according to predetermined rules. For example, it can be specified that it is determined that a commercial vehicle of the plurality of commercial vehicles is located within the radio communication interference area if the respective commercial vehicle position information of the plurality of commercial vehicle position information represents a position within the radio communication interference area as the current position of this commercial vehicle. This is the case in the scenario according to Fig. 1bFor example, this is the case for the semi-trailers 104 and 105, whose current commercial vehicle positions 119 and 120 are located within the radio communication interference area 123 determined in step 501. Furthermore, it can be specified that it is determined that a commercial vehicle of the plurality of commercial vehicles is located within the radio communication interference area if the server does not receive a response in the form of radio interference signal detection information to a corresponding request from the radio communication device of the commercial vehicle of the plurality of commercial vehicles. This is also the case in the scenario according to Fig. 1b This is the case, for example, for semi-trailers 104 and 105.

[0170] If it is determined that at least one of the plurality of commercial vehicles is within the radio communication jamming area, it is assumed, for example, that this commercial vehicle is within the coverage area of ​​a jammer and thus there is an increased risk of theft of the commercial vehicle's cargo (i.e., the commercial vehicle is at risk). Such jammers are often used in theft cases to prevent radio communication between the commercial vehicle (e.g., with the 124 emergency call center).

[0171] Therefore, it is provided that if it is determined that at least one commercial vehicle of the plurality of commercial vehicles is located within the radio communication interference area, an alarm action is executed or the execution of an alarm action is caused in an optional step 504.

[0172] As disclosed above, an alarm action may include notifying a user such as the emergency call center 124 or one or more commercial vehicle drivers located in the vicinity of the endangered commercial vehicle (e.g., within an area with a predetermined radius around the current position of the endangered commercial vehicle), or the dispatcher 124 responsible for the endangered commercial vehicle. For example, in step 504, the server 3 could notify the dispatcher(s) 124 responsible for the semi-trailers 104 and 105.

[0173] Alternatively or additionally, an alarm action can be an action performed by one or more commercial vehicles located in the vicinity of the endangered commercial vehicle (e.g., within an area with a predetermined radius around the current position of the endangered commercial vehicle), such as activating the hazard warning lights and / or the low or high beams and / or a horn of the respective commercial vehicle. For example, the server 3 could send respective control information to the radio communication devices 2-1 to 2-3 of the semi-trailers 101 to 103 via the communication paths 111, 112, and 113; this information causes the respective radio communication device to control the respective semi-trailer such that the hazard warning lights of the respective semi-trailer are activated.

[0174] The invention thus enables the detection of the jammer 116 based on the radio signal parameters detected by the semi-trailers 101, 102, and 103 and the threat associated with the jammer 116 for the semi-trailers 104 and 105, so that measures in the form of alarm action(s) can be taken to minimize the threat to the semi-trailers 104 and 105, even though the semi-trailers 104 and 105 themselves cannot communicate. Furthermore, the detection can additionally take into account the lack of a response to the above-disclosed request for respective radio interference signal detection information from the radio communication devices 2-4 and 2-5 of the semi-trailers 104 and 105 by the server 3.

[0175] The exemplary embodiments of the present invention described in this specification should also be understood as disclosed in all combinations with one another. In particular, the description of a feature encompassed by an embodiment should not be understood in this case - unless explicitly stated otherwise - in such a way that the feature is indispensable or essential for the function of the exemplary embodiment. The sequence of the steps described in the individual flowcharts in this specification is not mandatory; alternative sequences of the steps are conceivable - unless stated otherwise. The steps can be implemented in various ways; for example, an implementation in software (by program instructions), hardware or a combination of both is conceivable for implementing the steps.

[0176] Terms used in the claims such as "comprise," "have," "include," "contain," and the like do not exclude further elements or steps. The phrase "at least partially" encompasses both "partially" and "fully." The phrase "and / or" is intended to indicate that both the alternative and the combination are disclosed, thus "A and / or B" means "(A) or (B) or (A and B)." A plurality of units, persons, or the like, in the context of this specification, means multiple units, persons, or the like. The use of the indefinite article does not exclude a plurality. A single component can perform the functions of multiple units or devices recited in the claims. Reference numerals indicated in the claims are not to be construed as limitations on the means and steps employed.

Claims

1. Method carried out by one or more apparatus, the method comprising: - receiving (500) at least a first radio jamming signal detection information from a first radio communication device (2) of a first utility vehicle (101-105), wherein the first radio jamming signal detection information represents at least a first radio signal parameter and / or at least a first change of a radio signal parameter as well as a first detection position (118-122), wherein the first radio signal parameter and / or the first change of the radio signal parameter is characteristic of a radio jamming signal, and wherein the first radio signal parameter and / or the first change of the radio signal parameter was detected at the first detection position (118-122), - determining (501) a radio communication jamming area (123) based at least in part on the first radio jamming signal detection information, - receiving and / or holding available (502) a plurality of utility vehicle position information, wherein each of the plurality of utility vehicle position information represents a past position or a current position (118-122) of a respective utility vehicle of a plurality of utility vehicles (101-105), characterized in that the method further comprises the following step: - requesting a second radio jamming signal detection information from a second radio communication device of a second utility vehicle, wherein a utility vehicle position information of the plurality of commercial vehicle position information represents a current position of the second utility vehicle which is within a predetermined distance from the first detection position.

2. Method of claim 1, wherein the method further comprises at least one of the following steps: - determining (503), based at least in part on the plurality of utility vehicle position information, whether at least one utility vehicle of the plurality of utility vehicles (101-105) was or is or will be located within the radio communication jamming area (123), - performing or causing performing (504) an alarm action when it is determined that at least one utility vehicle of the plurality of utility vehicles (101-105) was or is or will be within the radio communication jamming area (123).

3. Method according to any one of claims 1 and 2, wherein the radio communication jamming area (123) is determined such that it describes an area in which, at least partially based on the first radio jamming signal detection information, it is expected that no radio communication is possible and / or radio communication is only possible to a limited extent.

4. Method according to any one of claims 1 to 3, wherein the method further comprises: - receiving the second radio jamming signal detection information from the second radio communication device (2) of the second utility vehicle (101-105), wherein the second radio jamming signal detection information represents both at least a second radio signal parameter and / or at least a second change of a radio signal parameter and a second detection position (118-122), wherein the radio signal parameter and / or the change in the radio signal parameter is characteristic of a radio jamming signal, and wherein the second radio signal parameter and / or the second change in the radio signal parameter was detected at the second detection position.

5. Method according to claim 4, wherein the radio communication jamming range (123) is determined at least partly based on the second radio jamming signal detection information.

6. Method according to any one of claims 1 to 5, wherein the first radio signal parameter characteristic of the radio jamming signal represents one of the following quantities and / or properties: - a signal-to-noise distance, - a signal-to-interference distance, - a received field strength, - a presence of non-synchronizable carrier frequencies, - a bit error rate, - a connection failure rate.

7. Method according to any one of claims 1 to 6, wherein the first change in the radio signal parameter characteristic of the radio jamming signal is one of the following changes: - a reduction in the signal-to-noise distance, - a reduction in the signal-to-interference distance, - an increase in a received field strength, - an addition of non-synchronizable carrier frequencies, - an increase in the bit error rate, - an increase in the connection failure rate.

8. Method according to any one of claims 1 to 7, wherein the radio jamming signal is transmitted in a frequency range used by one of the following radio communication networks: - a WLAN network, - a Zigbee network, - a cellular network, - a Bluetooth network, - a LoRa network.

9. Method according to any one of claims 1 to 8, wherein the first radio jamming signal detection information further represents a first detection speed and / or a first detection movement direction and / or a first detection point in time.

10. Apparatus (3) configured to perform and / or control the method according to any one of claims 1 to 9, or comprising respective means (300-303) for performing and / or controlling the steps of the method according to any one of claims 1 to 9.

11. Computer program comprising program instructions configured to, when executed by at least one processor (200, 300), to cause an apparatus (2, 3) to execute the method according to any one of claims 1 to 9.

12. System comprising: - an apparatus (3) according to claim 10, and - a utility vehicle (101-105) comprising a radio communication device (2), wherein the radio communication device is arranged to perform and / or control the following steps: - detecting (400) at least a first radio signal parameter and / or a first change in a radio signal parameter, the first radio signal parameter and / or the first change in the radio signal parameter being characteristic of a radio jamming signal; - detecting (401) a first detection position, wherein the first radio signal parameter and / or the first change in the radio signal parameter was detected at the first detection position (118-122); - sending (402) a first radio jamming signal detection information to a remote device, wherein the first radio jamming signal detection information represents both the first radio signal parameter and / or the first change of the radio signal parameter and the first detection position (118-122).