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Smart Traffic and Parking Service Discovery Using Smartphones

This document discusses innovative use cases for real-time traffic and indoor parking service discovery utilizing smartphones as a multifunctional on-board unit (OBU). The scenarios involve a user named John, who employs his smartphone for navigating through traffic by accessing up-to-date road information from various hotspots at intersections and quickly locating available parking spots within a parking structure. The focus is on fast, location-based service discovery and the importance of timely and proximate data transmission to enhance travel efficiency.

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Smart Traffic and Parking Service Discovery Using Smartphones

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  1. Use Cases for TGaq Date: 2013-05-13 Authors: Mike Chih-Che Lin, ITRI

  2. Use Case 1: Traffic/Road Information Service • Smart phones are often used on cars as temporary multi-function OBU --“Nomadic device” Feature • John puts his smart phone on the dash board of a car as its Personal Navigation Device (PND). • John is driving and passing though an intersection where multiple hotspots co-exist and are run by different operators. • John would like to quickly update its route with the latest traffic/road information via hotspots that provides the service of disseminating real-time traffic and road information including emergent events. • John needs to know which hotspots provide such a service before he is out of the signal coverage (leaving the intersection). • Key Words: • Service Discovery (finding a specific application among multiple WLANs) • Instant Service (required fast service discovery and fast link association) • Proximity and time-related (Traffic/road information changes over time and the information dissemination should be location-based. Uploading the bulky traffic/road information of the whole US is time-consuming and BW-wasting.) Mike Chih-Che Lin, ITRI

  3. Use Case 2: Indoor Parking Service Discovery • Smart phones are often used on cars as temporary multi-function OBU --“Nomadic device” Feature • John puts his smart phone on the dash board of a car as its Personal Navigation Device (PND). • John is driving into a parking tower where multiple WLANs would reside for different purposes. • Internet Access • Empty Parking lots navigation • John would like to quickly know which WLAN provides indoor parking lot guidance service so that he does not need to spend much time in finding at which floor in which corner an empty lot is. • Key Words: • Service Discovery (finding a specific application among multiple WLANs) • Proximity and time-related (Availability of lots changes over time and different towers have their own lot-availability map.) Mike Chih-Che Lin, ITRI

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