1 / 8

Real-Time Bus Information

Real-Time Bus Information. Presentasjon INF5261 Artikkelpresentasjon. Paper subject. Real-time information to mobile telephone Based on Geographical location Discussion on restrictions & solutions. Technology.

oleg-barnett
Télécharger la présentation

Real-Time Bus Information

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Real-Time Bus Information Presentasjon INF5261 Artikkelpresentasjon

  2. Paper subject • Real-time information to mobile telephone • Based on Geographical location • Discussion on restrictions & solutions

  3. Technology • Fleet of information: geographical position, alarm notification… • Ex of system: MyBus – Intelligent Transportation System to predict bus departure times through the web • How about to move on to mobile devices? Mobile, PDA…? • Restrictions: Minimum of functionality conforming to mobile device(display, ascii..)

  4. Web Integration • Use the existing internet protocols & standards • Sequence: - Device send a message(url) – using wap - Gateway is client, url to server- using http - server generates result to client- using http - Gateway back to device- using wap Browsing: - has wap-browser, like web-browser for url-transmission - as html, wap has wml-language(subset of html) for surfing + restrictions.

  5. MyBus: • Stimulus: stream of bus departure predictions • First was Metro King Country, Seattle, Washington • Location as timepoint (map, area with several timepoints), select, several routes listed. • Minimise display • Web site popular with requests.

  6. WAP- Browser • MyBus Wap site: necessary departure info with physical restrictions • Mechanisms • Restrictions: nr of characters, Destination string re-written. Add keys to reload and quit • Other problems: - location identification with name - location with numbers - amount of data to download Massive and increasing use

  7. Wap-display Web-display Timepoint-choice

  8. Conclusions • Wap – switable device for receiving real-time info • Physical restrictions overcome through interface-design • Try real-time for PDA, add data source in algorithms, more condition data…

More Related