Sangam: A Confluence of Knowledge Streams

Age of information for broadcast and collection in spatially distributed wireless networks

Show simple item record

dc.contributor Modiano, Eytan
dc.contributor Massachusetts Institute of Technology. Department of Aeronautics and Astronautics
dc.creator Rao, Chirag R.
dc.date 2023-01-19T19:54:33Z
dc.date 2023-01-19T19:54:33Z
dc.date 2022-09
dc.date 2022-09-21T13:15:03.504Z
dc.date.accessioned 2023-02-17T19:52:41Z
dc.date.available 2023-02-17T19:52:41Z
dc.identifier https://hdl.handle.net/1721.1/147501
dc.identifier https://orcid.org/0000-0002-3786-6436
dc.identifier.uri http://localhost:8080/xmlui/handle/CUHPOERS/242037
dc.description We consider a wireless network with a base station broadcasting and collecting timesensitive data to and from spatially distributed nodes in the presence of wireless interference. The Age of Information (AoI) is the time that has elapsed since the mostrecently delivered packet was generated, and captures the freshness of information. In the context of broadcast and collection, we define the Age of Broadcast (AoB) to be the amount of time elapsed until all nodes receive a fresh update, and the Age of Collection (AoC) as the amount of time that elapses until the base station receives an update from all nodes. We quantify the average broadcast and collection ages in two scenarios: 1) instance-dependent, in which the locations of all nodes and interferers are known, and 2) instance-independent, in which they are not known but are located randomly, and expected age is characterized with respect to node locations. In the instance-independent case, we show that AoB and AoC scale super-exponentially with respect to the radius of the region surrounding the base station. Simulation results highlight how expected AoB and AoC are affected by network parameters such as network density, medium access probability, and the size of the coverage region.
dc.description S.M.
dc.format application/pdf
dc.publisher Massachusetts Institute of Technology
dc.rights In Copyright - Educational Use Permitted
dc.rights Copyright retained by author(s)
dc.rights https://rightsstatements.org/page/InC-EDU/1.0/
dc.title Age of information for broadcast and collection in spatially distributed wireless networks
dc.type Thesis


Files in this item

Files Size Format View
rao-crao-SM-AeroAstro-2022-thesis.pdf 974.5Kb application/pdf View/Open

This item appears in the following Collection(s)

  • DSpace@MIT [2699]
    DSpace@MIT is a digital repository for MIT's research, including peer-reviewed articles, technical reports, working papers, theses, and more.

Show simple item record

Search DSpace


Advanced Search

Browse