METHOD AND APPARATUS FOR UPDATING TRAVEL TIME ESTIMATION
First Claim
1. A self-contained vehicular traffic travel time information system for a vehicle in an inter-vehicle ad-hoc network, comprising:
- an on-board vehicular broadcasting unit including a transmitter and receiver for communicating with other vehicles within the inter-vehicle ad hoc network;
a positioning device for determining the vehicle'"'"'s position throughout a course of travel;
an on-board vehicle processing unit for storing road segments throughout the vehicle path of travel, the on-board vehicle processing unit determining a starting position and an ending position for each respective road segment, and determining a length of time for traveling through each respective road segment; and
a memory storage device for storing the segmented road portions and the time of travel associated with each respective road segment;
wherein the on-board vehicular broadcasting unit disseminates the determined travel times of recently traveled road segments via a broadcast message to other vehicles within the inter-vehicle ad hoc network.
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Accused Products
Abstract
A self-contained vehicular traffic travel time information system for a vehicle in an inter-vehicle ad-hoc network includes an on-board vehicular broadcasting unit for communicating with other vehicles within the inter-vehicle ad hoc network. A positioning device identifies the vehicle'"'"'s position throughout a course of travel. An on-board vehicle processing unit stores road segments throughout the vehicle path of travel. The on-board vehicle processing unit determines a starting position and an ending position for each respective road segment. A length of time for traveling through each respective road segment is determined. A memory storage device stores the segmented road portions and the time of travel associated with each respective road segment. The on-board vehicular broadcasting unit disseminates the determined travel times of recently traveled road segments via a broadcast message to other vehicles within the inter-vehicle ad hoc network.
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Citations
21 Claims
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1. A self-contained vehicular traffic travel time information system for a vehicle in an inter-vehicle ad-hoc network, comprising:
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an on-board vehicular broadcasting unit including a transmitter and receiver for communicating with other vehicles within the inter-vehicle ad hoc network; a positioning device for determining the vehicle'"'"'s position throughout a course of travel; an on-board vehicle processing unit for storing road segments throughout the vehicle path of travel, the on-board vehicle processing unit determining a starting position and an ending position for each respective road segment, and determining a length of time for traveling through each respective road segment; and a memory storage device for storing the segmented road portions and the time of travel associated with each respective road segment; wherein the on-board vehicular broadcasting unit disseminates the determined travel times of recently traveled road segments via a broadcast message to other vehicles within the inter-vehicle ad hoc network. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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Specification