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Position-based limited-response mode operation in a vehicle communication system

  • US 10,212,557 B2
  • Filed: 08/23/2017
  • Issued: 02/19/2019
  • Est. Priority Date: 05/31/2013
  • Status: Active Grant
First Claim
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1. A communication system for facilitating control over a function of a vehicle, the communication system comprising:

  • a base station positioned in the vehicle; and

    a mobile communication unit;

    wherein the base station comprises a first transmitter for transmitting a signal to the mobile communication unit and a first receiver for receiving a signal from the mobile communication unit;

    wherein the base station is configured to determine a location of the mobile communication unit relative to the vehicle and to transmit a command to the mobile communication unit to cause the mobile communication unit to operate in accordance with a limited-response duty cycle when the location of the mobile communication unit relative to the vehicle remains within an authorization zone for a predetermined period of time and remains substantially unchanged for the predetermined period of time;

    wherein the limited-response duty cycle comprises a period of inactivity, during which the mobile communication unit is unable to receive a transmission from the base station, and a period of activity, during which the mobile communication unit is capable of receiving a transmission from the base station; and

    wherein the authorization zone is exterior to the vehicle and comprises a zone in which the communication system is configured to authorize operation of one or more vehicle functions.

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