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System and Method for Managing Wireless Vehicular Communications

a wireless vehicular communication and wireless communication technology, applied in the field of wireless communication systems, can solve problems such as the reduction of service time and cos

Inactive Publication Date: 2007-04-19
HEWLETT PACKARD DEV CO LP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The present invention provides a system and method for managing the wireless communication of messages between a vehicle bus and a remote system. The system includes a bus connector, a protocol transceiver, a computer, and a wireless communication device. The computer analyzes the messages received through the bus connector and determines whether they should be transmitted or received. The wireless communication device transmits and receives the messages. The invention has several technical features, such as decreasing time and cost by not requiring physical connection to the bus, reducing service time and cost by not requiring movement of the vehicle, accommodating all data rates on the bus, filtering out extraneous messages, conserving bandwidth, and supporting different types of devices. The invention also provides a user interface to manage the wireless communication of messages between the vehicle and the device. Overall, the invention improves the efficiency and reliability of communication on a vehicle bus.

Problems solved by technology

Additionally, for devices that are not portable, the vehicle may not have to be moved in order for the device to be able to monitor and / or insert messages on the bus, also decreasing service time and cost.

Method used

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Embodiment Construction

[0021]FIG. 1 illustrates a system 10 for managing wireless vehicular communications in accordance with one embodiment of the present invention. As illustrated, system 10 includes a vehicle 20, a protocol converter 30, and a diagnostic system 40. Vehicle 20 includes a variety of controllers 22, such as brake controller 22a, transmission controller 22b, and engine controller 22c, each controlling and / or monitoring a component of vehicle 20. Controllers 22 are coupled to each other by a vehicle bus 24. Bus 24 has different portions, which may themselves be buses, and each of controllers 22 may communicate over one or more of the portions. Protocol converter 30 is also coupled to bus 24, and, in general, facilitates communication between controllers 22 and / or bus 24 of vehicle 20 and diagnostic system 40. Diagnostic system 40, which is one type of remote system that desires to communicate with controllers 22 and / or monitor messages on bus 24, is coupled to protocol converter 30 by a wir...

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Abstract

A system and method for managing wireless vehicular communications include a system and method for vehicle protocol conversion. The system and method for vehicle protocol conversion have the ability to receive messages through a vehicle bus connector according to a vehicle bus protocol, analyze the messages to determine whether they should be transmitted, and transmit the messages over a wireless link if they should be transmitted.

Description

RELATED APPLICATIONS [0001] This application is a continuation of U.S. patent application Ser. No. 10 / 072,121, filed Feb. 8, 2002, entitled System and Method for Managing Wireless Vehicular Communications, which is a continuation-in-part of U.S. patent application Ser. No. 10 / 025,332, filed Dec. 18, 2001, entitled System and Method for Managing Wireless Vehicular Communications, now U.S. Pat. No. 6,728,603, and claims the benefit of U.S. Provisional Application Ser. No. 60 / 268,254, filed Feb. 8, 2001, entitled Apparatus and Method for Vehicle Protocol Conversion.TECHNICAL FIELD OF THE INVENTION [0002] This invention relates to wireless communication systems and, in particular, to a system and method for managing wireless vehicular communications. BACKGROUND OF THE INVENTION [0003] Electronic controllers are currently being used to control a variety of components on vehicles, such as, for example, the engine, the transmission, and / or the brakes. When operating properly, these control...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): H04J3/16H04L12/28H04L12/46H04L12/56H04L29/06H04W4/00H04W4/18
CPCG07C5/008H04L12/4604H04L29/06H04W4/00H04W4/04H04W4/18H04W84/18H04L67/12H04L69/08H04L69/18H04L9/40
Inventor PRUZAN, BRIAN M.THAYER, PETER A.ENYART, STEVEN J.PHILLIPS, PAUL S.SHLAYEN, LEONIDHANS, TIMOTHY A.
Owner HEWLETT PACKARD DEV CO LP
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