Patent · US Expired

Wireless communications system

US7603594B2 · kind B2 · utility

23Cited by
2References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 19, 2003
Grant dateOct 13, 2009
Priority date
Expiry dateMar 18, 2025

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04W88/06
  • WIPO fieldDigital communication
  • WIPO sectorElectrical engineering

Abstract

The present invention is a wireless communications system for simultaneously establishing a basic access network and a wireless access network using at least two kinds of wireless communication networks. In the basic access network, there are executed signaling communication for obtaining available network information based on the position information of a terminal and communication by SIP (Session Initiation Protocol) for executing exchange of a subscribe request signal between terminals and negotiation of communication. This arrangement makes it possible to connect between terminals by a media application on peer to peer.

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