KR20150143102A - Vehicle system - Google Patents

Vehicle system Download PDF

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Publication number
KR20150143102A
KR20150143102A KR1020140072168A KR20140072168A KR20150143102A KR 20150143102 A KR20150143102 A KR 20150143102A KR 1020140072168 A KR1020140072168 A KR 1020140072168A KR 20140072168 A KR20140072168 A KR 20140072168A KR 20150143102 A KR20150143102 A KR 20150143102A
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South Korea
Prior art keywords
wakeup
transmitter
updater
time
pattern
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KR1020140072168A
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Korean (ko)
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KR102156195B1 (en
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장성민
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콘티넨탈 오토모티브 시스템 주식회사
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Priority to KR1020140072168A priority Critical patent/KR102156195B1/en
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    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00309—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks
    • G07C2009/00365—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks in combination with a wake-up circuit
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C2009/00753—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys
    • G07C2009/00769—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys with data transmission performed by wireless means
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00309—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link

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  • Selective Calling Equipment (AREA)
  • Lock And Its Accessories (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

According to the present invention, a vehicle system is disclosed. In case of transmitting and receiving a wireless signal between a transmitter and a receiver, the vehicle system can effectively reduce consumption of a vehicle battery consumed at the receiver by changing a data structure of the wireless signal. To this end, according to the present invention, the vehicle system comprises: a first transmitter adopting a signal transmission method of a first wake-up pattern; and a receiver maintaining a wireless signal receiving function to be on during constant on-time at each predetermined polling period.

Description

차량시스템 {VEHICLE SYSTEM}VEHICLE SYSTEM

본 발명은, 차량시스템의 무선신호 송수신 기술에 관한 것으로, 더욱 상세하게는 송신기 및 수신기 간의 무선신호 송수신에 있어서 무선신호의 데이터 구조를 변경함으로써 수신기에서 소비하게 되는 차량 배터리의 소비량을 효율적으로 줄일 수 있는 방안에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a radio signal transmission / reception technique of a vehicle system, and more particularly, to a radio signal transmission / reception technique of a vehicle system, It is about the room.

다양한 형태의 무선신호 송수신 기술의 발전에 힘입어, 차량에서 차량 도어의 락/언락 기능, 시동 온/오프 기능 뿐 아니라 차량 상태를 모니터링하는 기능 등 다양한 기능을 구현하는데 무선신호 송수신 기술을 접목하여 활용하고 있다.Thanks to the development of various types of wireless signal transmitting and receiving technology, it implements various functions such as locking / unlocking function of vehicle door, starting on / off function of vehicle and monitoring of vehicle condition. .

대표적으로는, 차량을 원격에서 제어하는 기능과 관련된 문잠김장치리모콘(RKE : Remote Keyless Entry) 기능과, 차량의 타이어 공기압을 모니터링하는 기능과 관련된 타이어공기압모니터링시스템(TPMS :Tire Pressure Monitoring System)이다.Typically, it is a tire pressure monitoring system (TPMS) related to a function of a remote keyless entry (RKE) function related to remote control of a vehicle and a function of monitoring tire air pressure of the vehicle .

이에, 기존의 차량시스템에서는, RKE 기능과 관련하여 송신기 해당하는 RKE Key로부터 무선신호를 수신하기 위한 수신기, TPMS 기능과 관련하여 송신기에 해당하는 TPMS Wheel Unit으로부터 무선신호를 수신하기 위한 수신기를 각각 별도로 구비하였다.In the conventional vehicle system, a receiver for receiving a radio signal from an RKE key corresponding to a transmitter in relation to an RKE function, and a receiver for receiving a radio signal from a TPMS wheel unit corresponding to a transmitter, Respectively.

헌데, 기존과 같이 각각의 수신기를 구비하는 경우, 차량시스템의 비용이 증가시키는 구조일 수 밖에 없다.However, if each receiver is provided as in the conventional art, the cost of the vehicle system is increased.

이에, 차량시스템에서 하나의 수신기를 통해 RKE 기능 및 TPMS 기능과 관련하여 양 송신기 즉 RKE Key 및 TPMS Wheel Unit으로부터 무선신호를 수신하는 방식을 고려할 수 있으나, 이 경우 차량 IGN OFF 상태 시 수신기가 RKE Key로부터의 무선신호 및 TPMS Wheel Unit으로부터의 무선신호를 수신하기 위한 준비(standby mode 혹은 polling mode) 과정에서 소비하게 되는 차량 배터리의 소비량이 많아져 차량 배터리의 조기 방전의 문제가 우려된다.Accordingly, it is possible to consider a method of receiving a radio signal from both transmitters, that is, an RKE key and a TPMS wheel unit, with respect to an RKE function and a TPMS function through a single receiver in a vehicle system. In this case, The amount of consumption of the vehicle battery consumed in the standby mode or the polling mode for receiving the radio signal from the TPMS Wheel Unit and the radio signal from the TPMS Wheel Unit is increased, thereby causing a problem of the early discharge of the vehicle battery.

이에, 본 발명에서는, 차량시스템에서 하나의 수신기를 통해 2 이상의 송신기 즉 RKE Key 및 TPMS Wheel Unit으로부터 무선신호를 수신하는 방식을 실현함에 있어서, 무선신호의 데이터 구조를 변경함으로써 수신기에서 소비하게 되는 차량 배터리의 소비량을 효율적으로 줄일 수 있는 방안을 제안하고자 한다.Accordingly, in the present invention, in realizing a system for receiving a radio signal from two or more transmitters, that is, an RKE Key and a TPMS Wheel Unit, through a single receiver in a vehicle system, We propose a method to reduce battery consumption efficiently.

본 발명은 상기한 사정을 감안하여 창출된 것으로서, 본 발명에서 도달하고자 하는 목적은, 송신기 및 수신기 간의 무선신호 송수신에 있어서 무선신호의 데이터 구조를 변경함으로써 수신기에서 소비하게 되는 차량 배터리의 소비량을 효율적으로 줄이는데 있다.SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances and it is an object to be achieved by the present invention to provide a radio communication apparatus and a radio communication method which can reduce the consumption amount of a vehicle battery consumed by a receiver, .

상기 목적을 달성하기 위한 본 발명의 제 1 관점에 따른 차량시스템에 있어서, 제1시간 동안 간헐적으로 웨이크업데이터(wake-up data)를 송신하는 제1웨이크업패턴(wake-up pattern)의 신호송신방식을 채택한 제1송신기; 상기 제1송신기로부터의 무선신호 수신 여부를 인지하기 위해, 기 설정된 폴링 주기(Polling Period) 마다 일정한 온 타임(On-Time) 동안 무선신호수신기능 온(On) 상태를 유지하는 수신기를 포함하며; 상기 제1송신기는, 상기 제1웨이크업패턴 내 적어도 일부 구간에서 웨이크업데이터를 연속적으로 송신하도록 상기 제1웨이크업패턴을 변경하여, 상기 수신기에서 상기 온 타임이 상기 제1웨이크업패턴 변경 이전 보다 짧아질 수 있도록 한다.In order to achieve the above object, there is provided a vehicle system according to the first aspect of the present invention, comprising: a first wake-up pattern signal transmission for intermittently transmitting wake- A first transmitter adopting a scheme; And a receiver for maintaining a radio signal reception ON state for a predetermined on-time every predetermined polling period in order to recognize whether a radio signal is received from the first transmitter; Wherein the first transmitter is configured to change the first wakeup pattern to continuously transmit a wake updater in at least some section of the first wakeup pattern so that the on time at the receiver is less than before the first wakeup pattern change To be shortened.

바람직하게는, 제2시간 동안 연속적으로 웨이크업데이터를 송신하는 제2웨이크업패턴의 신호송신방식을 채택한 제2송신기를 더 포함하고; 상기 수신기는, 상기 제1송신기 및 상기 제2송신기로부터의 무선신호 수신 여부를 인지하기 위해, 상기 폴링 주기 마다 상기 온 타임 동안 무선신호수신기능 온 상태를 유지할 수 있다. Preferably, the apparatus further comprises a second transmitter employing a signal transmission scheme of a second wakeup pattern for continuously transmitting a wakeup updater for a second time; The receiver may maintain a radio signal reception function on state during the on-time in order to recognize whether a radio signal is received from the first transmitter and the second transmitter.

바람직하게는, 상기 제1송신기 및 상기 제2송신기는, 동일한 주파수대역을 통해서, 각기 데이터 속도 및 데이터 구조가 상이한 무선신호를 송신할 수 있다. Advantageously, the first transmitter and the second transmitter are capable of transmitting wireless signals having different data rates and data structures, respectively, over the same frequency band.

바람직하게는, 상기 제1웨이크업패턴은, 웨이크업데이터 송신구간 및 웨이크업데이터 미송신구간으로 구성된 각 웨이크업데이터블록을 상기 제1시간 동안 순차적으로 다수개 송신하여, 상기 제1시간 동안 간헐적으로 웨이크업데이터를 송신하며, 상기 제1송신기는, 상기 제1시간 동안 순차적으로 송신하는 다수개의 웨이크업데이터블록 중에서 적어도 일부의 웨이크업데이터블록에 대해서 웨이크업데이터 송신구간만으로 구성되도록 변경하여, 상기 적어도 일부의 웨이크업데이터블록에 대응되는 상기 일부 구간에서 웨이크업데이터를 연속적으로 송신하도록 상기 제1웨이크업패턴을 변경할 수 있다.Preferably, the first wake-up pattern includes a plurality of wakeup updaters that sequentially transmit a plurality of wakeup updater blocks composed of a wakeup updater transmission interval and a wakeup updater non-transmission interval for the first time, Wherein the first transmitter changes at least a part of the wakeup updater blocks among a plurality of wakeup updater blocks sequentially transmitted during the first time so as to be composed of only the wakeupler transmission interval, The first wakeup pattern may be changed to continuously transmit the wake updater in the partial interval corresponding to the first wakeup pattern.

이에, 본 발명의 차량시스템에 의하면, 송신기 및 수신기 간의 무선신호 송수신에 있어서 무선신호의 데이터 구조를 변경함으로써 차량시스템 내 수신기에서 소비하게 되는 차량 배터리의 소비량을 효율적으로 줄일 수 있는 효과를 도출할 수 있다.Therefore, according to the vehicle system of the present invention, by changing the data structure of the radio signal in the wireless signal transmission and reception between the transmitter and the receiver, it is possible to effectively reduce the consumption amount of the vehicle battery consumed by the receiver in the vehicle system have.

도 1은 본 발명의 일 실시예에 따른 차량시스템의 송신기 및 수신기를 보여주는 구성도이다.
도 2는 각 송신기가 채택한 신호송신방식을 보여주는 일반적인 예시도이다.
도 3은 기존의 수신기 측 Polling 동작을 보여주는 예시도이다.
도 4는 본 발명에 의해 무선신호의 데이터 구조가 변경된 후 수신기 측 Polling 동작을 보여주는 예시도이다.1 is a block diagram illustrating a transmitter and a receiver of a vehicle system according to an embodiment of the present invention.
2 is a general diagram showing a signal transmission method employed by each transmitter.
3 is an exemplary diagram illustrating a conventional receiver side Polling operation.
4 is an exemplary diagram illustrating a polling operation of the receiver after the data structure of a radio signal is changed according to the present invention.

도 1은 본 발명의 일 실시예에 따른 차량시스템의 송신기 및 수신기를 보여주는 구성도이다.1 is a block diagram illustrating a transmitter and a receiver of a vehicle system according to an embodiment of the present invention.

도 2는 각 송신기가 채택한 신호송신방식을 보여주는 일반적인 예시도이다.2 is a general diagram showing a signal transmission method employed by each transmitter.

도 3은 기존의 수신기 측 Polling 동작을 보여주는 예시도이다.3 is an exemplary diagram illustrating a conventional receiver side Polling operation.

도 4는 본 발명에 의해 무선신호의 데이터 구조가 변경된 후 수신기 측 Polling 동작을 보여주는 예시도이다.4 is an exemplary diagram illustrating a polling operation of the receiver after the data structure of a radio signal is changed according to the present invention.

본 발명의 차량시스템에 따르면 송신기 및 수신기 간의 무선신호 송수신에 있어서 무선신호의 데이터 구조를 변경함으로써 수신기에서 소비하게 되는 차량 배터리의 소비량을 효율적으로 줄일 수 있다는 점에서, 기존 기술의 한계를 뛰어 넘음에 따라 관련 기술에 대한 이용만이 아닌 적용되는 장치의 시판 또는 영업의 가능성이 충분할 뿐만 아니라 현실적으로 명백하게 실시할 수 있는 정도이므로 산업상 이용가능성이 있는 발명이다.According to the vehicle system of the present invention, since the data structure of the radio signal is changed in the wireless signal transmission and reception between the transmitter and the receiver, the consumed amount of the vehicle battery consumed by the receiver can be effectively reduced, Accordingly, it is not only the use of the related technology, but also the possibility of commercialization because it is possible to carry out the application or the operation of the device which is applicable, and to be practically and practically possible.

10 : 제1송신기
20 : 제2송신기
30 : 수신기
100 : 차량시스템10: first transmitter
20: second transmitter
30: receiver
100: Vehicle system

Claims (4)

제1시간 동안 간헐적으로 웨이크업데이터(wake-up data)를 송신하는 제1웨이크업패턴(wake-up pattern)의 신호송신방식을 채택한 제1송신기;
상기 제1송신기로부터의 무선신호 수신 여부를 인지하기 위해, 기 설정된 폴링 주기(Polling Period) 마다 일정한 온 타임(On-Time) 동안 무선신호수신기능 온(On) 상태를 유지하는 수신기를 포함하며;
상기 제1송신기는,
상기 제1웨이크업패턴 내 적어도 일부 구간에서 웨이크업데이터를 연속적으로 송신하도록 상기 제1웨이크업패턴을 변경하여, 상기 수신기에서 상기 온 타임이 상기 제1웨이크업패턴 변경 이전 보다 짧아질 수 있도록 하는 것을 특징으로 하는 차량시스템.A first transmitter employing a signal transmission scheme of a first wake-up pattern for intermittently transmitting wake-up data for a first time;
And a receiver for maintaining a radio signal reception ON state for a predetermined on-time every predetermined polling period to recognize whether the radio signal is received from the first transmitter;
Wherein the first transmitter comprises:
Changing the first wakeup pattern to continuously transmit a wake updater in at least some section of the first wakeup pattern so that the on time at the receiver may be shorter than before the first wakeup pattern change Characterized in that the vehicle system. 제 1 항에 있어서,
제2시간 동안 연속적으로 웨이크업데이터를 송신하는 제2웨이크업패턴의 신호송신방식을 채택한 제2송신기를 더 포함하고;
상기 수신기는,
상기 제1송신기 및 상기 제2송신기로부터의 무선신호 수신 여부를 인지하기 위해, 상기 폴링 주기 마다 상기 온 타임 동안 무선신호수신기능 온 상태를 유지하는 것을 특징으로 하는 차량시스템.The method according to claim 1,
Further comprising a second transmitter employing a signal transmission scheme of a second wakeup pattern for continuously transmitting a wake updater for a second time;
The receiver includes:
Wherein the control unit maintains the radio signal reception function ON state during the on-time at every polling period in order to recognize whether a radio signal is received from the first transmitter and the second transmitter. 제 2 항에 있어서,
상기 제1송신기 및 상기 제2송신기는,
동일한 주파수대역을 통해서, 각기 데이터 속도 및 데이터 구조가 상이한 무선신호를 송신하는 송신기인 것을 특징으로 하는 차량시스템.3. The method of claim 2,
Wherein the first transmitter and the second transmitter comprise:
Characterized in that, over the same frequency band, each of the data rates and data structures is a transmitter transmitting a different radio signal. 제 1 항 또는 제 2 항에 있어서,
상기 제1웨이크업패턴은, 웨이크업데이터 송신구간 및 웨이크업데이터 미송신구간으로 구성된 각 웨이크업데이터블록을 상기 제1시간 동안 순차적으로 다수개 송신하여, 상기 제1시간 동안 간헐적으로 웨이크업데이터를 송신하며,
상기 제1송신기는,
상기 제1시간 동안 순차적으로 송신하는 다수개의 웨이크업데이터블록 중에서 적어도 일부의 웨이크업데이터블록에 대해서 웨이크업데이터 송신구간만으로 구성되도록 변경하여, 상기 적어도 일부의 웨이크업데이터블록에 대응되는 상기 일부 구간에서 웨이크업데이터를 연속적으로 송신하도록 상기 제1웨이크업패턴을 변경하는 것을 특징으로 하는 차량시스템.3. The method according to claim 1 or 2,
Wherein the first wakeup pattern sequentially transmits a plurality of wakeup updater blocks composed of a wakeup updater transmission interval and a wakeup updater non-transmission interval for the first time, intermittently transmits the wakeup updater during the first time,
Wherein the first transmitter comprises:
Wherein the wakeup controller is configured to change at least a part of the wakeup updater blocks among the plurality of wakeup updater blocks sequentially transmitted during the first time so as to include only the wakeupler transmission interval, And changes the first wake-up pattern to transmit continuously.
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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050104715A1 (en) * 2003-11-19 2005-05-19 Siemens Vdo Automotive Corporation Tire pressure monitoring and remote keyless entry system using asynchronous duty cycling
JP2005324610A (en) * 2004-05-12 2005-11-24 Denso Corp Vehicle control system
KR20060121939A (en) * 2004-01-13 2006-11-29 모토로라 인코포레이티드 Wake-up circuit

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050104715A1 (en) * 2003-11-19 2005-05-19 Siemens Vdo Automotive Corporation Tire pressure monitoring and remote keyless entry system using asynchronous duty cycling
KR20060121939A (en) * 2004-01-13 2006-11-29 모토로라 인코포레이티드 Wake-up circuit
JP2005324610A (en) * 2004-05-12 2005-11-24 Denso Corp Vehicle control system

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