Wireless communication system, wireless communication method, wireless communication terminal device, relay device, and relay system
US8824957B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 28, 2009 |
| Grant date | Sep 2, 2014 |
| Priority date | — |
| Expiry date | Jan 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.