The 3G4G Blog

I was curious as to why IEEE 802.16d (fixed service) uses Orthogonal Frequency Division Multiplexing (OFDM). IEEE 802.16e (mobile) uses Orth...

The widespread deployment of 3G networks in the 900MHz GSM spectrum band, as well as the 2100MHz band, could enable an additional 300 millio...

The Open Mobile Alliance's recently-unveiled BCAST Enabler specification is designed to create a 'write once, run anywhere' envi...

This is a copy from my old blog . While doing some background sstudy of Wireless USB i came acrosss interesting information. Apparently ther...

Bellevue, WA, June 05, 2007 - Today, 3G Americas reports that the number of GSM mobile wireless subscribers worldwide has reached 2.5 billi...

Packet-oriented features like HSDPA and HSUPA (HSPA) in UMTS systems provide high data rates forboth downlink and uplink. This will promote ...

Voice call continuity requires maintaining a voice call when a mobile terminal moves from one cell to another for second generation Global S...

From Ajit's Open Gardens Blog : IMS 2.0 world forum is a must attend event .. I learnt a lot from it. Here is a brief synopsis of where...

Cognitive radio (CR) is a newly emerging technology, which has been recently proposed to implement some kind of intelligence to allow a radi...

AT&T says its next-generation roadmap leads to LTE, though it's evaluating the use of WiMAX technology for backhaul according to a r...