Group call service using broadcast radio bearer
US7471961B2 · kind B2 · utility
12Cited by
7References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 14, 2006 |
| Grant date | Dec 30, 2008 |
| Priority date | — |
| Expiry date | Jun 28, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W76/45
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A system and method for to establish a wireless group call from one of a plurality of communication units to others communication units includes a first step of receiving, from a requesting communication unit a request for a group call with other communication units of the group. A next step includes allocating a common downlink channel for the group call. A next step includes allocating a dedicated uplink channel for the requesting communication unit. A next step includes switching one of the communication units between the common channel mode and a dedicated channel mode depending upon performance criteria.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.