Vehicle communications system and method

• US 6,023,232 A
• Filed: 06/23/1997
• Issued: 02/08/2000
• Est. Priority Date: 06/22/1996
• Status: Expired due to Fees

• Current Assignee: Daimler Chrysler Company LLC (Stellantis NV)
• Original Assignee: Daimler Chrysler Company LLC (Stellantis NV)
• Inventors: Eitzenberger, Klaus
• Primary Examiner(s): Hofsass, Jeffery A.
• Assistant Examiner(s): TRIEU, VAN THANH
• Application Number:
  US08/881,166
• Time in Patent Office: 960 Days
• Field of Search: 340/988, 340/990, 340/991, 340/994, 340/995, 340/425.5, 340/426, 340/825.31, 340/825.34
• US Class Current: 340/988
• CPC Class Codes: G08G 1/091 Traffic information broadcasting broadcasting communication H04H
• CPC Class Codes: G08G 1/094 Hardware aspects; Signal processing or signal properties, e.g. frequency bands
• CPC Class Codes: G08G 1/20 Monitoring the location of vehicles belonging to a group, e.g. fleet of vehicles, countable or determined number of vehicles

Abstract

A vehicle communications system and method includes a central computer for performing data networking applications, individual devices for transmitting, receiving, recording, and/or processing data associated with the data networking applications, and one or more data transmission channels with associated interfaces through which the individual devices can be connected with a central vehicle computer. According to the invention, the individual devices are flexibly associated in a controllable fashion with the various data networking applications, with an adaptive application control being provided that selects the individual devices on the basis of their functions that are required for performing a given application, and controls the necessary data transmission processes.

Claims

1. A vehicle communications system, comprising:

a central computer which performs data networking applications;

a plurality of individual devices for transmitting, receiving, recording, and/or processing data associated with the data networking applications;

at least one data transmission channel with associated interfaces by which the individual devices can be connected with the central vehicle computer; and

an adaptive application control separate from the data networking applications which communicates with the data networking applications through a uniform data format that is independent of the interfaces and the individual devices, the application control selecting flexibly and on the basis of a required function which is required by a selected one of the data networking applications, an appropriate one of the individual devices and an appropriate one of the interfaces required for said selected one of the data networking applications, the application control controlling the necessary data transmission processes, for which purpose the application control includes device gateways and interface gateways separate from the device gateways, which gateways the application control selects independently of one another, flexibly and on the basis of said required function, in order to control the respective individual devices through the respective interfaces.

2. Vehicle communications system according to claim 1, wherein at least one of a CAN (Controller Area Network) interface, an RS232 interface, a PCMCIA (Personal Computer Memory Card International Association) interface, a D2B (Domestic Digital Bus) interface, and an IR (Infrared) interface is provided for connecting the individual devices to the central computer.

3. Vehicle communications system according to claim 1, wherein said individual devices comprise at least one of a GPS (Global Position System) receiver, a PDA (Personal Digital Assistant) unit, a GSM (Global System for Mobile) unit, a CD-ROM (Compact Disc--Read Only Memory) unit, and an RDS-TMC (Radio Data System--Traffic Message Channel) unit.

4. Vehicle communications system according to claim 1, wherein said data networking applications comprise at least one of a fleet management application, a route planning application, a remote diagnosis application, an antitheft protection application, and an electronic data communications application.

5. A vehicle communications system according to claim 1, further comprising at least two of said data transmission channels with respective ones of said associated interfaces, wherein at least one of said individual devices can be connected with the central vehicle computer via any one of at least two of said data transmission channels.

6. A method of controlling a vehicle communications system having a central computer which performs data networking applications;

a plurality of individual devices for transmitting, receiving, recording, and/or processing data associated with the data networking applications;

at least one data transmission channel with associated interfaces by which the individual devices can be connected with the central vehicle computer; and

an adaptive application control separate from the data networking applications, the application control including device gateways and interface gateways separate from the device gateways, said method comprising;

communicating with the data networking applications via said adaptive application control through a uniform data format that is independent of the interfaces and the individual devices;

selecting flexibly and on the basis of a required function which is required by a selected one of the data networking applications, an appropriate one of the individual devices and an appropriate one of the interfaces required for said selected one of the data networking applications via said adaptive application control; and

independently selecting said gateways flexibly and on the basis of said required function via said application control, in order to control the respective individual devices through the respective interfaces.

7. A method of controlling a vehicle communications system according to claim 6, further comprising connecting the individual devices to the central computer via at least one of a CAN, a RS232, a PCMCIA, a D2B, and an IR interface.

8. A method of controlling a vehicle communications system according to claim 6, wherein said individual devices comprise at least one of a GPS receiver, a PDA unit, a GSM unit, a CD-ROM unit, and an RDS-TMC unit.

9. A method of controlling a vehicle communications system according to claim 6, wherein said data networking applications comprise at least one of a fleet management application, a route planning application, a remote diagnosis application, an antitheft protection application, and an electronic data communications application.

10. A method of controlling a vehicle communications system according to claim 6, wherein said vehicle communications system has at least two of said data transmission channels with respective ones of said associated interfaces, wherein at least one of said individual devices can be connected with the central vehicle computer via any one of at least two of said data transmission channels.

11. A communications system for a motor vehicle, comprising:

a central computer installed in said motor vehicle, said central computer performing a plurality of data networking applications;

a plurality of individual devices for at least one of transmitting, receiving, recording, and processing data associated with said data networking applications;

at least two interfaces via which each of said individual devices is communicable with said central vehicle computer; and

an adaptive application control separate from the data networking applications communicable with the data networking applications through a uniform data format that is independent of the interfaces and the individual devices,

said application control including independent device gateways and interface gateways which gateways are selectable by said application control independently of one another,

wherein responsive to a request by one of said data networking applications, said application control (a) determines an appropriate one of said individual devices with which to communicate, and (b) chooses an appropriate one of said interfaces via which to communicate.