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The topic of much debate, WiMAX is rapidly becoming a growing market. With more and more service providers and enterprises jumping on the WiMAX bandwagon. The next step is to accelerate the deployment of WiMAX worldwide by leveraging the numerous benefits of wireless backhaul. So, what’s all the hype...

Orthogonal frequency division multiplexing (OFDM) is a form of digital modulation used in a wide array of communications systems. This paper will explain what OFDM is, why it’s important, where it’s used, and what test instrumentation is required to maintain it. Perhaps we should first explain what is so...

Most of the high power resistors used in RF and Microwave frequencies are found in Wilkinson power dividers/combiners in power distribution circuits. For best performance, the 100 Ohm isolation resistor, when used in a Wilkinson divider, should have very low capacitance to minimize the effects on insertion loss. Additionally,...

Martin Luther King Day - There’s something about waking up to single digit temperatures in the Northeast that makes a trip down to Orlando, Florida for the 2008 IEEE Radio and Wireless Symposium (RWS) seem like a wise move. While inching the mercury up by 60 plus degrees is...

Saab Microwave Canada Ltd. has been awarded a service contract for support, repair and overhaul of the Canadian Navy’s Sea GIRAFFE 150 HC, a surveillance radar installed on the Halifax Class Frigates. Saab has been a service partner to the Canadian Navy since the early 1990s and this new...

NEC Corp. and Sumitomo Corp. have signed a framework contract with Italian mobile phone operator Wind for the supply of NEC's advanced PASOLINK NEO® point-to-point wireless access systems. Wind is one of the leading fixed-line, mobile and Internet operators in Italy, with more than 15 million mobile customers and...

To improve the security of more than eight million people and eventually cover an area of 3,600 km2, EADS Defence & Security has been awarded India’s first public security TETRA radio network contract by the police of the state of Andhra Pradesh. The new network will cover the region...

The Colombian Navy has acquired the Terma SCANTER 2001 surface surveillance radar for its Almirante Padilla Class Frigates. The radars will be part of a modernization program for the vessels and delivery will be in the first quarter of 2008. These radar systems are specifically designed to meet the...

Introduction Nowadays the portable electronic appliances, such as laptop computers, Personal Digital Assistants (PDAs), cellular phones, MP3 players, etc., are rapidly growing in the life electrical popularization. Generally, the hand-held products demand miniaturization and multi-functionality, which are achieved by the module IC technology with highly integrated package. The high...

Spectracom Corp. announced that the US Air Force's Global Positioning Systems (GPS) Wing has approved its NetClock 9383 precision GPS time server for synchronizing military networks. The 9383 is a network timing appliance that incorporates a Selective Availability/Anti-Spoofing Module (SAASM) to meet requirements for reliability and security. With this...