Patent · US Active

Wireless communication system, wireless communication method, wireless communication terminal device, relay device, and relay system

US8824957B2 · kind B2 · utility

0Cited by
2References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 28, 2009
Grant dateSep 2, 2014
Priority date
Expiry dateJan 14, 2032

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04W84/08
  • WIPO fieldDigital communication
  • WIPO sectorElectrical engineering

Abstract

Wireless terminal devices (TA) to (TH) each detects whether channel information received from each of repeaters (1111) to (111n) indicates an occupied state or an idle state, and when detecting a channel in an idle state, writes identification information of that channel in a RAM (23). The wireless terminal devices (TA) to (TH) each selects a piece of identification information of a channel among plural pieces of identification information of a channel written in the RAM (23) to start making a call to a channel of the selected identification information.

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