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NEC Corp. has licensed its US digital microwave radio (DMR) patents and counterpart patents, covering fundamental telecommunication techniques such as quadrature amplitude modulation (QAM), to Microwave Networks Inc (MNI). The companies also made a cross-agreement not to assert their DMR patents in the future. The company has previously licensed...

The Russian national standards body, the Russian Federal Agency on Technical Regulating and Metrology, has signed an historic Memorandum of Understanding (MoU) with ASTM International, originally known as the American Society for Testing and Materials. The goals of the MoU are to remove technical barriers in economic and trade...

The recent ARMMS RF & Microwave Society two-day conference, held in Steventon, Oxfordshire, UK, was well attended, lively and productive. It featured speakers from industry and academia and covered a wide range of topics including synthetic aperture radar, RFID, geodetic grade antenna design, waveguide horn design, interference measurements, filter...

Published October 17, 2007 You be the expert: The responses to the September Question of the Month are below. Turki Aommran submitted the September question of the month: Dear Harlan, I have designed microwave filters with Agilent ADS and the simulation results were perfect, but I have run into...

Most radar warning (RW), electronic countermeasures (ECM) and electronic intelligence (ELINT) systems employ instantaneous frequency measurement (IFM) to identify threats, map the electronic battlefield and eventually implement deceptive countermeasures. In its development of systems in this sector Elisra has made advances with the introduction of its Digital Instantaneous Frequency...

Electrically Small, Superdirective and Superconductive Antennas R.C. Hansen Wiley Interscience • 179 pages; $100 ISBN: 0-471-78255-6 The field of electrically small antennas has long been important for frequencies below roughly 1 GHz. These antennas have characteristics in common that limit performance: low radiation resistance, high reactance, low efficiency, narrow...

Application Note The Evolving Wireless Standards poster and application note are based on IEEE 802.16e mobile WiMAX. As a quick reference guide, the wireless poster highlights a range of information on the latest cellular and wireless connectivity technologies and applications. The “IEEE 802.16e WiMAX OFDMA Signal Measurements and Troubleshooting”...

Because of their direct impact on system efficiency, phase noise and phase hits are major concerns in high performance communication systems. These systems rely on stable, low phase noise sources to increase capacity and reduce bit error rate (BER). Additionally, design cycle time, performance, quality and cost targets remain...

Phased arrays allow the electronic steering of an antenna beam in any direction and with high antenna gain by controlling the phase at each antenna element. This beam steering technique is much more compact and much faster than mechanically steered arrays. Furthermore, phased arrays allow the creation of deep...

A new 15,000 sq. ft. building has been completed at the site of AR 's worldwide headquarters in Souderton, PA. The three-story building houses the accounting department, customer service and a new machine shop on the first floor; expanded production facilities on the second floor; and a meeting room...