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TV white space devices using structured databases

  • US 9,268,800 B2
  • Filed: 06/13/2014
  • Issued: 02/23/2016
  • Est. Priority Date: 07/09/2010
  • Status: Active Grant
First Claim
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1. A central database apparatus for managing the TV spectrum available for non-licensed applications, comprising:

  • a first data storage medium for storing a first data structure comprising identification information and operational parameters for all licensed TV band users operating in a geographical area;

    a second data storage medium for storing a second data structure comprising central identification information and central operational parameters for all unlicensed TVBDs currently operating in the geographical area;

    an interface for communicating with the unlicensed TVBD;

    an interface for communicating with a local database to receive a query access address of the local database;

    a central database manager for;

    updating the identification information and the operational information of the licensed TV band users in the first data structure at preset intervals or upon changes;

    providing the unlicensed TVBD with the address of the local database;

    andupdating the central identification information and the central operational parameters of the unlicensed TVBD in the second data structure.

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