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Adaptive Coding and Modulation (ACM) was designed to help operators maximize spectrum usage and increase the capacity of their backhaul links over any given channel bandwidth, under any weather condition, at any link budget. This paper provides an introduction to ACM and offers a number of examples that show...

A quantitative study by the Swiss Federal Office of Communications (OFCOM) reveals ultra high-per formance microwave antennas like RFS Compact Line lead the way when it comes to controlling radio link interference and network densification. Minimizing RF interference is one of the toughest challenges for wireless communications network designers....

Choosing the Correct Analyzer for Your Transmitter or Component Test Needs There are many analyzers available in the market today. Some are very specialized, while others offer more generic radio measurement capability; some are called spectrum analyzers, while others are called signal analyzers. All measure and display frequency vs....

I. INTRODUCTION MICROWAVE bandpass filters with compact size are always in demand for low-profile and lightweight systems. Especially in wireless communication systems, the area of RFIC system chip and the cost will be greatly reduced if bandpass filter can be integrated with active components. Many studies on reducing the...

With the cost of developing each new semiconductor manufacturing process node escalating dramatically and time to market pressures increasing, there is no longer room for error in measuring critical parameters such as flicker noise. Recognizing these market realities and their impact on semiconductor manufacturers, Cascade Microtech has introduced the...

Published Tuesday, July 15, 2008 | Last Update 7.15.08 Here are your replies to the July Expert Advice column Signals in your noise can really mess up a design. They can impact communication performance or even cause you to fail EMC tests. Understanding what’s in the noise is becoming...

Comtech Telecommunications Corp. announced that its Maryland-based subsidiary, Comtech Mobile Datacom Corp. , received orders totaling $5.6 M under its Movement Tracking System, or MTS contract, with the US Army. Total orders received to date against the $605.1 M MTS contract increased to $126 M. The orders are for...

There is a new home networking industry alliance on the block. The HomeGrid Forum aims to promote the work of the International Telecommunication Union’s G.hn working group in developing a new triple-wire standard for home networking. But many in the industry have been wondering where a new standard would...

Honeywell announced the availability of its Honeywell In-flight Messaging Service accessible via Wi-Fi® enabled BlackBerry® smartphones from Research in Motion through Honeywell’s OneLink™ satellite communications services. The Honeywell In-flight Messaging Service can configure Swift64 or SwiftBroadband SATCOM and router equipment to enable customers with Wi-Fi enabled BlackBerry smartphones to...

After many months of delay, there are now eight officially certified 802.16e, or WiMAX products. The WiMAX Forum made this announcement at its WiMAX Forum Congress in Singapore. Samsung, Sequans Communications, POSTDATA and Runcom Technologies all gained certification for a subscriber device and a base station. All four certified...