3G Interview Question:

Explain iDEN(Integrated Digital Enhanced Network)?

Submitted by: Muhammad

★ A wireless technology for Motorola
★ It has the capabilities of digi-cellular phone, 2 way radio, alphanumeric pager and data modem / fax modem in a single network
★ Operational bands are 800 MHz, 900 MHz and 1.5 GHz
★ iDEN is based on TDMA(Time Division Multiple Access) and GSM architecture
★ For voice compression it uses Motorola's Vector Sum Excited Linear Predictors vocoder
★ For delivering 64 KBPS over a 25 KHz channel, it uses QAM modulation.
★ iDEN is designed to serve the mobile user for accessing information quickly without carrying several devices.
Submitted by: Muhammad