JP5131111B2 - On-vehicle device and portable device verification method - Google Patents

Description

  The present invention targets a plurality of verification areas by sequentially transmitting radio waves from a plurality of antennas provided in each part of the vehicle, and performing reception determination of response data returned from the portable device in response to the transmission of the radio waves. The present invention relates to an in-vehicle apparatus and a portable device collation method capable of collating portable devices existing in the collation area.

Conventionally, in order to call an electronic key that is a portable device, a challenge code as an encryption key and a key ID of a plurality of portable devices are transmitted from the in-vehicle device, and the key ID of the portable device is encrypted using the challenge code. There is an in-vehicle device that transmits the response data that has been transmitted, collates whether or not the transmission data is from a legitimate portable device, and controls the control target device according to the collation result (for example, Patent Documents) 1).
JP 2004-150124 A

  In the on-vehicle apparatus as described above, functions such as unlocking the door of the vehicle, locking the door of the vehicle, starting the engine of the vehicle, and the like are realized by executing a plurality of applications in parallel. . That is, a plurality of applications are executed in parallel, and in response to a verification request from each application, the front antenna in the vehicle interior installed in the front part of the vehicle interior, the rear antenna in the vehicle interior installed in the rear part of the vehicle interior, the back Response data sent back from the portable device in response to the transmission of this radio wave, such as the antenna inside the back door installed inside the door, which is used to transmit the radio wave for checking the portable device sequentially from each antenna provided in each part of the vehicle By performing the reception determination, the portable device is collated, and functions such as unlocking the door of the vehicle, locking the door of the vehicle, and starting the engine of the vehicle are realized.

  In this way, when multiple applications are executed in parallel and mobile device verification is performed in response to a verification request from each application, verification is sequentially performed on multiple verification areas in response to a verification request by a certain application. During the process, a collation request including the same collation area may be generated from another application.

  In such a case, in the conventional in-vehicle device, when the verification requirement of the later application occurs, the verification of the previous application in the verification area unit is performed for the unverified area where the verification by the verification requirement of the previous application is not completed. The collation result is confirmed by sharing the result and the collation result of the subsequent application.

  In FIG. 6, there is a verification requirement by the application A that targets the front part of the vehicle interior, the rear part of the vehicle interior, and the interior of the back door. After the verification of the front part of the vehicle interior is completed according to the verification requirement, The state of the processing in the case where the collation requirement by the application B targeting the same collation area occurs during the collation is shown.

  As shown in the figure, in the conventional in-vehicle device, when the verification requirement of the later application B occurs, the unverified area where the verification by the verification requirement of the previous application A has not been completed, The collation result is regarded as the collation result of the subsequent application B so that the collation result is fixed, and the collation is not repeatedly performed on the same collation area.

  However, at the time when the verification requirement of the later application B occurs, the verification result is not shared up to the front part of the vehicle interior that has already been verified by the verification requirement of the previous application A. For this reason, collation is performed again for the front part of the vehicle compartment that has already been collated. That is, there is a problem that the matching is performed twice with respect to the same matching area, resulting in poor efficiency.

  The present invention has been made in view of the above problems, and an object thereof is to improve the efficiency of processing for collation.

  In order to achieve the above object, when the invention according to claim 1 determines that the first matching requirement has occurred, the portable device is checked against the matching area targeted by the first matching requirement. Checking means, second matching requirement determining means for determining whether or not a second matching requirement different from the first matching requirement has occurred before completion of matching by the matching means, and second matching requirement determination When it is determined that the second matching requirement has occurred before the matching is completed by the means, the entire matching area targeted by the first matching requirement and the entire matching area targeted by the second matching requirement overlap. When it is determined by the collation area determination means that determines whether there is a collation area and the collation area determination means that there are overlapping collation areas, all of the duplication collation areas are obtained by one collation. Collation The results first, and the matching result determination means for determining a matching result is regarded as the comparison result of the second collation requirements, further comprising: a features.

  According to such a configuration, when it is determined that the second matching requirement different from the first matching requirement has occurred before the matching according to the first matching requirement is completed, the first matching requirement is targeted. It is determined whether or not there is an overlapping collation area in all the collation areas and the all collation areas targeted by the second collation requirement. For the area, the collation result obtained by one collation is regarded as each collation result of the first and second collation requirements, and the collation result is determined. Therefore, for example, when the second collation requirement occurs, there is an overlap. Even if collation with respect to some of the collation areas to be performed has already been completed, the second collation with respect to the collation area can be prevented from being performed, and the efficiency of collation processing can be improved. it can. The second verification requirement may be a single verification requirement or a plurality of verification requirements with different verification areas.

  Further, the invention described in claim 2 grasps the invention described in claim 1 as a method invention. Thus, the present invention can be grasped not only as an invention of a vehicle-mounted device but also as a method invention. The features and effects of claim 2 are the same as those of the invention described in claim 1.

  FIG. 1 shows the overall configuration of an in-vehicle device according to an embodiment of the present invention. The in-vehicle device includes a verification ECU 10, a D seat exterior antenna 11a, a DR seat exterior antenna 11b, a P seat exterior antenna 11c, a PR seat exterior antenna 11d, a vehicle interior front antenna 11e, a vehicle interior rear antenna 11f, a back A door internal antenna 11g, a back door external antenna 11h, and a tuner 12 are provided.

  The in-vehicle device is mounted on the vehicle 1 and transmits radio waves for checking the portable device 2 used as an electronic key from the antennas 11a to 11h provided in each part of the vehicle 1, and in response to the transmission of the radio waves The portable device 2 is collated by determining whether to receive response data returned from the portable device 2. A plurality of verification areas are obtained by sequentially transmitting radio waves for collating the portable device 2 from the antennas 11a to 11h and performing reception determination of response data returned from the portable device 2 in response to the transmission of the radio waves. It is also possible to perform a collation of the portable device 2 targeting the above.

  As shown in the figure, the antennas 11 a to 11 h are provided in each part of the vehicle 1 and wirelessly transmit radio waves according to signals input from the verification ECU 10.

  The tuner 12 is a device for receiving response data returned from the portable device 2.

  The verification ECU 10 is configured as a computer including a CPU, a memory, an I / O, and the like. The CPU executes each application program stored in the memory, thereby unlocking the doors of the vehicle 1 and the vehicle 1. Each function such as locking of each door and control of whether or not the vehicle 1 can be started is realized. The memory includes RAM, ROM, and flash memory.

  When the collation ECU 10 executes a plurality of applications in parallel and determines that the collation requirements are generated by each application, the collation ECU 10 performs a process of collating the portable device 2 against the collation area targeted by the collation requirements.

  The key ID of the portable device 2 for the vehicle 1 is stored in the memory of the verification ECU 10. The verification ECU 10 reads the key ID of the portable device 2 stored in the memory and uses the key ID of the portable device 2. It is designed to send a command that contains it.

  A unique key ID is assigned to the portable device 2, and the portable device 2 sends response data when receiving a command including the same key ID as its own key ID from the verification ECU 10. ing.

  The verification ECU 10 reads the key ID of the portable device 2 for the vehicle 1 stored in the memory, sends a command including the key ID of the portable device 2, and responds from the portable device 2 in response to the transmission of this command. The portable device 2 is verified by determining whether or not is received.

  In FIG. 2, the flowchart of the collation process of the portable device 2 by collation ECU10 is shown. When the verification requirement (first verification requirement) is generated by a certain application, the verification ECU 10 performs the verification processing shown in FIG.

  First, the search order of the collation area is specified (S100). The memory of the verification ECU 10 stores a table that defines the priority of the search order of the verification area for each verification requirement, and the search order of the verification area targeted by the first verification requirement with reference to this table. Is identified.

  Next, collation of the area is started (S102). Specifically, in accordance with the search order specified in the previous S100, a radio wave for collating the portable device 2 is transmitted for each collation area, and response data returned from the portable device 2 in response to the transmission of the radio wave. The process of repeatedly performing the collation of the portable device 2 is started.

  Next, it is determined whether another verification requirement (second verification requirement) has occurred (S104). Specifically, it is determined whether or not another verification requirement has been generated by another application.

  Here, if no other verification requirement has occurred, the determination in S104 is NO, and then it is determined whether the verification is completed (S110). Specifically, it is determined whether or not collation according to the first collation requirement is completed.

  When collation by the 1st collation requirements is not completed, judgment of S110 becomes NO and returns to S104. In addition, if another verification requirement (second verification requirement) occurs before the verification by the first verification requirement is completed, the determination in S104 is YES, and then there is an overlapping verification area in each verification requirement. It is determined whether or not there is (S106). That is, all the collation areas targeted by the first collation requirement and all the collation areas targeted by the second collation requirement are regarded as one concept area, and whether or not there are overlapping collation areas in each concept area. Determine. Specifically, it is determined whether or not the second collation requirement is a collation area that overlaps with the collation area of the first collation requirement.

  Here, when there is an overlapping collation area in each conceptual area, that is, when the second collation requirement is a collation area that overlaps the collation area of the first collation requirement, the determination in S106 is Next, the collation is performed so as to share the collation results for all the collation areas that overlap (S108). That is, the collation result is determined by sharing the collation result for the first collation requirement and the collation result for the second collation requirement. Specifically, with respect to all overlapping collation areas, the collation result obtained by one collation is regarded as each collation result of the first and second collation requirements, and the collation result is determined. In this embodiment, the collation result obtained by the collation performed according to the first collation requirement is regarded as the collation result obtained by the collation performed according to the second collation requirement, and the collation result is determined. In addition, the collation with respect to the collation area which does not overlap is also implemented and a collation result is decided.

  In S110, it is determined whether collation is completed. Specifically, it is determined whether or not collation for each collation area has been completed.

  When the collation is not completed, the determination in S110 is NO, and the processes in S104 to S108 are repeatedly performed.

  When the collation is completed, the determination in S110 is YES, and it is next determined whether or not all the collation results in the collation area satisfying the collation requirements are confirmed (S112). That is, it is determined whether or not all the matching results have been determined for each matching area targeted by either the first or second matching requirement.

  Here, if all the matching results are not confirmed for each matching area targeted by either the first or second matching requirement, the process returns to S100. When all the matching results are confirmed for each matching area targeted by either the first or second matching requirement, the matching result for the matching requirement is confirmed (S114). Specifically, the confirmed collation result is notified to the collation requirement generation source application.

  Next, it is determined whether there is still a collation area to be collated for each collation requirement (S116). That is, it is determined whether there is still a matching requirement that has not been verified.

  Here, if there is still a collation requirement that has not been collated, the process returns to S100, and collation is performed for the collation requirement that has not been collated.

  When the collation is completed and all the collation results in the collation area satisfying the collation requirement for which collation is completed are confirmed, the confirmed collation result is notified to the collation requirement generating application.

  Then, when there is no collation requirement for which collation is not completed, the determination in S116 is NO, and this process ends.

  Therefore, for example, when all the collation results are confirmed for each collation area targeted by the first collation requirement, at the time when the collation result is confirmed, all collation results targeted by the first collation requirement are the first ones. When the verification result is confirmed for each verification area targeted by the second verification requirement, the second verification requirement is verified when the verification result is finalized. All the matching results are notified to the application that has generated the second matching requirement.

  Similar to FIG. 6, a verification requirement is generated by the application A targeting the front part of the vehicle interior, the rear part of the vehicle interior, and the interior of the back door. After the verification of the front part of the vehicle interior is completed according to the verification requirement, FIG. 3 shows the state of processing in the case where the collation requirement for collating the same collation area is generated by the application B while the rear part of the room is being collated.

  As shown in FIG. 6, in the conventional in-vehicle apparatus, the collation has been performed twice for the front part of the vehicle interior that has already been collated. The collation result is determined so that the collation result is shared for all the collation areas that overlap between all the collation areas that are subject to the collation requirements and all the collation areas that are subject to the second collation requirement by the application B. As shown in FIG. 3, only one verification is performed for the front part of the passenger compartment.

  In FIG. 4, the verification requirement is generated by the application A that targets the front part of the vehicle interior and the rear part of the vehicle interior. After the verification of the front part of the vehicle interior is completed according to the verification requirement, the verification of the rear part of the vehicle interior is performed. During the execution, the state of processing in the case where the verification requirement by the application B that targets the front part of the vehicle interior, the rear part of the vehicle interior, and the back door is generated is shown.

  In such a case, conventionally, collation has been performed twice for the front part of the passenger compartment that has already been collated, but in the present invention, the first collation requirement by the application A is the target. Since the collation result is determined so that the collation result is shared with respect to all the collation areas that overlap the collation area and all the collation areas targeted by the second collation requirement by the application B, the vehicle interior front portion is also used once. Only verification is performed.

  Also, since only one verification is performed for the front part of the vehicle interior, the verification result for the application A is notified when the verification result for the rear part of the vehicle interior is determined, and the verification result inside the back door is determined Thus, the verification result for application B is notified, and it can be seen that the period required for verification is shortened compared to the conventional case. That is, it is possible to obtain an effect of improving the responsiveness of the collation process.

  In FIG. 5, after the verification requirement is generated by the application A targeting the front part of the vehicle interior, the rear part of the vehicle interior, and the back door, and the verification of the front part of the vehicle interior is completed according to the verification requirement, The state of processing when the verification requirement by the application B targeting the front part of the passenger compartment and the rear part of the passenger compartment occurs during the rear part verification is shown.

  In such a case, conventionally, collation has been performed twice for the front part of the passenger compartment that has already been collated, but in the present invention, the first collation requirement by the application A is the target. Since the collation result is determined so that the collation result is shared with respect to all the collation areas that overlap the collation area and all the collation areas targeted by the second collation requirement by the application B, the vehicle interior front portion is also used once. Only verification is performed.

  Even in this case, since only one verification is performed for the front part of the vehicle interior, it can be seen that the period required for verification for the application A is shortened compared to the conventional case.

  According to the configuration described above, when it is determined that the second matching requirement different from the first matching requirement has occurred before the matching according to the first matching requirement is completed, the first matching requirement is targeted. It is determined whether or not there are overlapping collation areas in all the collation areas and all the collation areas targeted by the second collation requirement, and if it is determined that there are duplicate collation areas, all the duplication collation areas Since the collation result is determined by regarding the collation result obtained by one collation as each collation result of the first and second collation requirements, for example, when the second collation requirement occurs, there is an overlap. Even if collation for some of the collation areas has already been completed, the second collation for the collation area can be prevented from being performed, and the efficiency of the collation process can be improved. .

  In addition, this invention is not limited to the said embodiment, Based on the meaning of this invention, it can implement with a various form.

  For example, in the above-described embodiment, the case where a single matching requirement has occurred as the second matching requirement has been described. However, the second matching requirement may be a plurality of matching requirements with different matching areas.

  Moreover, in the said embodiment, although this invention was applied to the vehicle-mounted apparatus which collates the portable apparatus 2 used as an electronic key, you may apply to the vehicle-mounted apparatus which collates portable apparatuses which have functions other than an electronic key. .

  The correspondence relationship between the configuration in the above embodiment and the configuration of the claims will be described. S102 corresponds to a verification unit, S104 corresponds to a second verification determination unit, and S106 corresponds to a verification area determination unit. S108 corresponds to the collation result determination means.

1 is a diagram illustrating an overall configuration of an in-vehicle device according to an embodiment of the present invention. It is a flowchart of collation processing of a portable machine by collation ECU. It is a figure for demonstrating collation processing. It is a figure for demonstrating collation processing. It is a figure for demonstrating collation processing. It is a figure for demonstrating a subject.

Explanation of symbols

1 vehicle 2 portable device 10 verification ECU
11a to 11h antenna 12 tuner

Claims (2)

By sequentially receiving radio waves from a plurality of antennas provided in each part of the vehicle and determining whether to receive response data returned from the portable device in response to the transmission of the radio waves, An in-vehicle device capable of matching,
When it is determined that the first collation requirement has occurred, collation means for performing collation of the portable device against the collation area targeted by the first collation requirement;
Second verification requirement determining means for determining whether or not a second verification requirement different from the first verification requirement has occurred before the verification by the verification means is completed;
When it is determined by the second verification requirement determination means that the second verification requirement has occurred before the verification is completed, all the verification areas targeted by the first verification requirement and the second verification requirement Collation area determination means for determining whether or not there are overlapping collation areas in all the collation areas targeted by
When it is determined by the collation area determination means that there is an overlapping collation area, the collation results obtained by one collation for all the collation areas that are overlapped are each of the first and second collation requirements. An in-vehicle apparatus comprising: a collation result determining unit that regards a collation result as a collation result. By sequentially receiving radio waves from a plurality of antennas provided in each part of the vehicle and determining whether to receive response data returned from the portable device in response to the transmission of the radio waves, A verification method of a portable device by an in-vehicle device capable of verification,
When it is determined that the first verification requirement has occurred, the portable device is verified against the verification area targeted by the first verification requirement,
Determining whether a second matching requirement different from the first matching requirement has occurred before the matching is completed;
If it is determined that the second collation requirement has occurred before the collation is completed, all the collation areas targeted by the first collation requirement overlap with all the collation areas targeted by the second collation requirement Determine whether there is a matching area
If it is determined that there is an overlapping collation area, the collation results obtained by one collation are regarded as the collation results of the first and second collation requirements for all the collation areas that overlap. A verification method for a portable device, characterized in that a result is confirmed.

Images