RELIABLE BROADCAST TRANSMISSION IN A VEHICULAR ENVIRONMENT
First Claim
Patent Images
1. A method for reliable broadcast transmission in a vehicular environment comprising the steps of:
- a) providing a dynamic local map; and
b) using the dynamic local map and a request to send/clear to send (RTS/CTS) handshake to reliably broadcast data to other vehicles in the vehicular environment.
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Abstract
Methods for reliable broadcast transmission in a vehicular environment comprise providing a dynamic local map for a driven vehicle, selecting a pivot vehicle based on the local map and optionally on a radio frequency coverage limit and performing a RTS/CTS handshake between the driven vehicle and the pivot vehicle. The CTS message by the pivot vehicle clears the way for the driven vehicle to broadcast data to other vehicles in the environment.
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Citations
15 Claims
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1. A method for reliable broadcast transmission in a vehicular environment comprising the steps of:
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a) providing a dynamic local map; and b) using the dynamic local map and a request to send/clear to send (RTS/CTS) handshake to reliably broadcast data to other vehicles in the vehicular environment. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method for reliable broadcast transmission in a vehicular environment comprising the steps of:
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a) providing a dynamic local map for a driven vehicle; b) selecting a pivot vehicle; and c) performing a request to send/clear to send (RTS/CTS) handshake between the driven vehicle and the pivot vehicle, the RTS/CTS handshake allowing reliable broadcast of data by the driven vehicle to other vehicles in the vehicular environment. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. A system for reliable broadcast transmission in a vehicular environment that includes a plurality of vehicles, comprising:
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a) a driven vehicle; b) a pivot vehicle; and c) means to perform a request to send/clear to send (RTS/CTS) handshake between the driven vehicle and the pivot vehicle, wherein the RTS/CTS handshake allows reliable broadcast of data by the driven vehicle.
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Specification