JP2021170777A - 自動機能のためにアクセス制御システムと通信及び測距を行うモバイルデバイス - Google Patents
自動機能のためにアクセス制御システムと通信及び測距を行うモバイルデバイス Download PDFInfo
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- G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
- G01S13/76—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted
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- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/20—Means to switch the anti-theft system on or off
- B60R25/24—Means to switch the anti-theft system on or off using electronic identifiers containing a code not memorised by the user
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
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- B60R2325/10—Communication protocols, communication systems of vehicle anti-theft devices
- B60R2325/101—Bluetooth
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R2325/00—Indexing scheme relating to vehicle anti-theft devices
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- B60R2325/108—Encryption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R2325/00—Indexing scheme relating to vehicle anti-theft devices
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- B60R2325/205—Mobile phones
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- G—PHYSICS
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- 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
- G07C2009/00388—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 code verification carried out according to the challenge/response method
-
- 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
- G07C2209/00—Indexing scheme relating to groups G07C9/00 - G07C9/38
- G07C2209/60—Indexing scheme relating to groups G07C9/00174 - G07C9/00944
- G07C2209/63—Comprising locating means for detecting the position of the data carrier, i.e. within the vehicle or within a certain distance from the vehicle
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- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/10—Network architectures or network communication protocols for network security for controlling access to devices or network resources
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- H04W4/027—Services making use of location information using location based information parameters using movement velocity, acceleration information
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Computing Systems (AREA)
- Computer Hardware Design (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Lock And Its Accessories (AREA)
- Mobile Radio Communication Systems (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
- Selective Calling Equipment (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
Description
本出願は、2017年9月29日に出願された「Mobile Device For Communicating And Ranging With Access Control System For Automatic Functionality」と題する米国特許仮出願第62/565,637号の利益を主張する、2018年5月18日に出願された「Mobile Device For Communicating And Ranging With Access Control System For Automatic Functionality」と題する米国特許出願第15/983,388号のPCT出願である。この出願の開示は、参照によりその全体が本明細書に組み込まれる。
I.2つのプロトコルを使用した通信及び測距
II.例示的なプロトコル及びシグナリング
A.第1の無線プロトコル(例えば、Bluetooth)
B.UWB
C.シーケンス図
測距メッセージのそれぞれの一つ(フレーム又はパケットとも呼ばれる)は、変調される情報を表し得るパルスのシーケンスを含むことができる。フレーム内の各データシンボルは、シーケンスであり得る。パケットは、例えば物理層及びMAC層の、ヘッダ情報を含むプリアンブルを有し、宛先アドレスを含むことができる。いくつかの実施態様では、パケットフレームは、タイミングをラインアップできる、同期部分及び開始フレーム区切り(SFD)を含むことができる。
狭いパルス(例えば、〜1ns幅)を使用して、距離を正確に判定することができる。高帯域幅(例えば、500MHzのスペクトル)は、狭いパルス及び正確な位置判定を可能にする。パルスの相互相関は、パルスの幅の小さな断片であるタイミング精度を提供することができ、例えば、数百又は数十ピコ秒以内の精度を提供し、サブメータレベルの測距精度を提供する。パルスは、受信機によって認識されるいくつかのパターンにおいて、プラス1及びマイナス1の測距波形を表すことができる。
III.認証及びセキュアチャネル確立(ペアリング)
IV.測距サービス−第1のプロトコル
A.プロトコル
1.測距能力要求/応答
2.測距セキュリティキー要求/応答
3.測距開始/停止要求
4.測距イベント通知
B.メッセージシーケンス
V.測距サービス−第2のプロトコル
A.プロトコル
B.メッセージシーケンス
VI.方法
VII.例示的なデバイス
Claims (12)
- モバイルデバイスとアクセス制御システムとの間で通信を実行するための方法であって、前記方法が、前記モバイルデバイスによって、
第1の無線プロトコルを使用して、前記アクセス制御システムを認証することと、
認証後に、共有シークレットを使用して、前記モバイルデバイスと前記アクセス制御システムとの間にセキュアチャネルを作成することであって、前記セキュアチャネルが、前記第1の無線プロトコルを使用することと、
前記セキュアチャネルを使用して、第2の無線プロトコルを使用して実行される測距のための前記アクセス制御システムと、1つ以上の測距能力を通信することと、
前記第2の無線プロトコルを使用して、測距要求メッセージ内の第1のパルスセットを前記アクセス制御システムに送信することであって、前記第2の無線プロトコルが、前記第1の無線プロトコルによって使用されるパルス幅よりも小さいパルス幅を使用する、ことと、
前記第2の無線プロトコルを使用して、前記アクセス制御システムから1つ以上の測距応答メッセージ内の第2のパルスセットを受信することと、
前記第1のパルスセットの送信時間(単数又は複数)と、前記第2のパルスセットの受信時間(単数又は複数)とに対応する距離情報を判定することと、
前記距離情報を前記アクセス制御システムに送信することにより、前記アクセス制御システムが動作を実行することを可能にすることと、
を実行することを含む、方法。 - 前記1つ以上の測距応答メッセージは、それぞれが前記アクセス制御システムの異なるアンテナユニットからのものであり、かつ、特定のアンテナユニットに固有の識別情報を含む、複数の測距応答メッセージである、請求項1に記載の方法。
- 前記測距要求メッセージは、前記複数の測距応答メッセージにブロードキャストされる、請求項2に記載の方法。
- 前記アクセス制御システムを認証することは、
前記アクセス制御システムにチャレンジを送信することであって、前記チャレンジが、暗号化キーを使用して前記アクセス制御システムの制御ユニットによって動作されて応答を提供する、ことと、
前記アクセス制御システムから前記応答を受信することと、
前記応答を予期された結果と比較して、前記アクセス制御システムの前記制御ユニットを認証することと、を含む、請求項1に記載の方法。 - 前記第1のパルスセットの前記送信時間(単数又は複数)及び前記第2のパルスセットの前記受信時間(単数又は複数)を使用して、前記アクセス制御システムからの前記モバイルデバイスの距離を判定することを更に含み、前記距離情報は前記距離を含む、請求項1に記載の方法。
- 前記距離情報は、前記測距要求メッセージ内の前記第1のパルスセット、及び前記1つ以上の測距応答メッセージ内の前記第2のパルスセットに対応するタイムスタンプを含み、前記タイムスタンプが、前記アクセス制御システムの制御ユニットによって使用されて、前記アクセス制御システムからの前記モバイルデバイスの距離を判定するように構成可能である、請求項1に記載の方法。
- 前記動作が、前記アクセス制御システムのドアをロック解除することである、請求項1に記載の方法。
- 前記1つ以上の測距能力は、前記第2の無線プロトコルを使用して、前記モバイルデバイスと前記アクセス制御システムとの間の測距メッセージ用のフォーマットを指定する、請求項1に記載の方法。
- 前記第1の無線プロトコルがBluetooth(登録商標)であり、前記第2の無線プロトコルが超広帯域(UWB)であり、前記第1の無線プロトコルが第1のアンテナを使用し、前記第2の無線プロトコルが第2のアンテナを使用し、前記モバイルデバイスがモバイル電話である、請求項1に記載の方法。
- 前記アクセス制御システムは車両である、請求項1に記載の方法。
- 複数の命令であって、実行されると、請求項1から10のいずれか一項に記載の方法を実行するようにコンピューティングデバイスを制御する、複数の命令を記憶するコンピュータ可読媒体を備える、コンピュータ製品。
- 請求項1から10のいずれか一項に記載の方法を実行するように構成されている1つ以上のプロセッサを備える、モバイルデバイス。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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JP2022056874A JP7407855B2 (ja) | 2017-09-29 | 2022-03-30 | 自動機能のためにアクセス制御システムと通信及び測距を行うモバイルデバイス |
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JP2024026068A (ja) | 2024-02-28 |
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KR102636540B1 (ko) | 2024-02-14 |
KR20220016281A (ko) | 2022-02-08 |
KR20200031160A (ko) | 2020-03-23 |
CN111066335A (zh) | 2020-04-24 |
KR102444152B1 (ko) | 2022-09-19 |
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