RF & Microwave Industry News

Fujitsu WiMAX base station fills the holes

Mobile wireless gear aimed at outdoor macro cells
Fujitsu Network Communications has launched a series of mobile WiMAX base stations aimed at filling the holes between wide area coverage and end users within a dense urban or suburban deployment. The Richardson, Texas-based unit will show off the base stations at Mobile World Congress in Barcelona, Spain. “It’s...
Read More

Rohde & Schwarz Joins LSTI

Rohde & Schwarz has joined the LTE/SAE Trial Initiative (LSTI), through which leading telecommunications providers and network operators have banded together to promote the further development of broadband mobile radio networks that are based on UMTS Long Term Evolution (LTE) technology. By becoming a member, the company will contribute...
Read More

Thales and SSV Communicate on Military Radio Technology

An agreement has been finalized through which the Shared Spectrum Co.’s (SSC) dynamic spectrum access (DSA) technology will be integrated into Thales Communications Inc’s field-ready military radios. The agreement is part of Phase III of the neXt Generation Communications (XG) Program being managed by the Defense Advanced Research Projects...
Read More

The WiMAX roller coaster ride

2007 has been a year of ups and downs for the WiMAX camp. More success stories are needed this year to quiet the doubters
WiMAX supporters have had a turbulent time of late. On the downside, last year’s breakup of the Sprint Nextel-Clearwire partnership to roll out a mobile WiMAX network across the United States has raised serious questions about the growth potential of this wireless technology. Verizon Wireless also announced last November...
Read More

WiMAX at a Crossroads: The 'Tipping Point'

Whatever your perspective, be that from the position of a small operator who hopes to gain a market advantage, or of a large incumbent supplier or network operator, the fundamental question about WiMAX is whether it can ramp to volumes that enable it to compete in a world ruled...
Read More

100 million WiMAX subscribers by 2014, says Maravedis

Device variety and large-scale deployments to drive growth
A new report by the Maravedis analyst firm predicts the number of WiMAX subscribers worldwide will top 100 million by 2014. It is slightly more bullish than a report published earlier this year by Juniper Research, which predicted 80 million WiMAX subscribers by 2013 ( Mobile WiMAX subscribers to...
Read More

High Efficiency Broadband Power Amplifiers

This article is devoted to the design of broadband high efficiency power amplifiers for microwave and RF applications through the synthesis of the load impedance (or load admittance) required by power transistors at fundamental and harmonic frequencies...
The technical definition of an amplification class is not obvious. Patents are among the best documents to explain and define what an amplification class is. 1,2 Reviewing the claims sections of those documents is an interesting exercise in understanding the inherent complexity of an amplification class definition. From a...
Read More