Patent · US Active

Global open trunking system for CDMA wireless communication

US7729303B2 · kind B2 · utility

4Cited by

32References

14Claims

0Family size

Assignee

ZTEIT USA, Inc. · US

Inventors

James Jiang · Richardson, US
Yonggang Fang · San Diego, US
Rajesh Bhalla · Gahanna, US
Mary Chion · Montgomery, US

Key dates

Filing date	Jun 22, 2005
Grant date	Jun 1, 2010
Priority date	—
Expiry date	Jan 1, 2029

Classification

Technology area (CPC H)Electricity
CPC primaryH04W76/45
WIPO fieldDigital communication
WIPO sectorElectrical engineering

Abstract

Methods and systems for implementing trunking techniques in CDMA systems for handling group calls and push-to-talk services and roaming of group calls.

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