Age of information : : a new metric for information freshness /
By: Sun, Yin (Ph.D. in communications and information systems) [author.].
Contributor(s): Kadota, Igor [author.] | Talak, Rajat [author..] | Modiano, Eytan [author..].
Material type:
BookSeries: Synthesis digital library of engineering and computer science: ; Synthesis lectures on communication networks: #23.Publisher: [San Rafael, California] : Morgan & Claypool, [2020]Description: 1 PDF (xx, 204 pages) : illustrations (some color).Content type: text Media type: electronic Carrier type: online resourceISBN: 9781681736792.Subject(s): Real-time data processing | Information theory | age of information (AoI) | timely information updates | wireless networks | queueing networks | scheduling | real-time samplingGenre/Form: Electronic books.DDC classification: 004/.33 Online resources: Abstract with links to full text | Abstract with links to resource Also available in print.| Item type | Current location | Call number | Status | Date due | Barcode | Item holds |
|---|---|---|---|---|---|---|
E books
|
PK Kelkar Library, IIT Kanpur | Available | EBKE902 |
Mode of access: World Wide Web.
System requirements: Adobe Acrobat Reader.
Part of: Synthesis digital library of engineering and computer science.
Includes bibliographical references (pages 187-202).
1. Introduction -- 1.1. Background -- 1.2. Overview of manuscript
2. Age of information in queueing networks -- 2.1. Introduction -- 2.2. Single-hop queueing networks -- 2.3. Multihop queueing networks -- 2.4. Multi-flow, single-hop queueing networks -- 2.5. Summary -- 2.6. Appendices
3. Age of information in broadcast wireless networks -- 3.1. System model -- 3.2. Scheduling algorithms -- 3.3. Throughput constrained AOI optimization -- 3.4. AoI in wireless networks with stochastic arrivals
4. Age of information in general wireless networks -- 4.1. Introduction -- 4.2. System model -- 4.3. Distributed scheduling policies -- 4.4. Centralized scheduling policies -- 4.5. Scheduling with channel state information -- 4.6. Appendix
5. Age of information and sampling -- 5.1. Introduction -- 5.2. Data freshness measures for status update -- 5.3. Optimal sampling strategies -- 5.4. Proofs of age-optimal sampling results -- 5.5. Extension: signal sampling and estimation -- 5.6. Summary -- 5.7. Appendices.
Abstract freely available; full-text restricted to subscribers or individual document purchasers.
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Information usually has the highest value when it is fresh. For example, real-time knowledge about the location, orientation, and speed of motor vehicles is imperative in autonomous driving, and the access to timely information about stock prices and interest rate movements is essential for developing trading strategies on the stock market. The Age of Information (AoI) concept, together with its recent extensions, provides a means of quantifying the freshness of information and an opportunity to improve the performance of real-time systems and networks. Recent research advances on AoI suggest that many well-known design principles of traditional data networks (for, e.g., providing high throughput and low delay) need to be re-examined for enhancing information freshness in rapidly emerging real-time applications. This book provides a suite of analytical tools and insightful results on the generation of information-update packets at the source nodes and the design of network protocols forwarding the packets to their destinations. The book also points out interesting connections between AoI concept and information theory, signal processing, and control theory, which are worthy of future investigation.
Also available in print.
Title from PDF title page (viewed on December 23, 2019).
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