Patent · US Expired

Multicast relay for mobile devices

US7830826B2 · kind B2 · utility

5Cited by
10References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 1, 2004
Grant dateNov 9, 2010
Priority date
Expiry dateDec 19, 2025

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04W88/04
  • WIPO fieldDigital communication
  • WIPO sectorElectrical engineering

Abstract

Exchanging data between a mobile device and a network involves receiving, via the network, multicast service announcements from a plurality of service providers. The multicast service announcements are stored in a cache. A service search request originating from the mobile device is received. A reply to the service search request is determined based on the multicast service announcements stored in the cache. The reply is provided to the mobile device in response to the service search request.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.