RF & Microwave Industry News

Using Advanced Modulation Techniques in a WLAN Enviroment

The benefits of incorporating advanced modulation techniques and derivative technologies in a wireless local area network (WLAN)
Using Advanced Modulation Techniques in a WLAN Environment Allan R. Scott WaveAccess Inc. Natick, MA For some time now, a quiet debate has been ongoing within the wireless community about what is necessary to enable wireless local area network (WLAN) systems to achieve widespread use. One view has held...
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The World Telecommunication Policy Forum on GMPCS

Highlights of the International Telecommunication Union's first World Telecommunication Policy FOrum, held October 21-23, 1996 in Geneva, Switzerland
The World Telecommunication Policy Forum on GMPCS Ferdo Ivanek Communications Research Palo Alto, CA The International Telecommunication Union's (ITU) first World Telecommunication Policy Forum (WTPF-96) was held in Geneva, Switzerland October 21-23, 1996. The theme was "Global Mobile Personal Communications by Satellite (GMPCS)," and 1061 participants from 129 countries...
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RF Interference Analysis for Collocated Systems

Combating RF interference in collocated receivers
RF Interference Analysis for Collocated Systems The proliferation of wireless services has increased the need to collocate systems because of the difficulty in site acquisition due to zoning restrictions, cost and design considerations. However, collocation requires that the resulting RF interference issues be addressed or system performance degradation is...
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Advances in Receiver Front-end and Processing Components

Receiver front-end and processing component performance improvements, including radar range and accuracy, noise figure and input power
Advances in Receiver Front-end and Processing Components Ted Heil, Bill Roehrich and Jack Hakoupian MITEQ Inc. Hauppauge, NY Since the introduction of radar, the goal of the radar systems engineer has been to improve overall range and accuracy performance. Radar range is defined in the classical radar equation, as...
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Trends for Portable Wireless Applications

Key issues in the development and manufacture of commercial radios and trends in the commercial radio industry
Trends for Portable Wireless Applications This article explores key issues related to the development and manufacture of commercial radios and discusses various trends associated with the commercial radio business. The paper focuses on the RF portion of the radio, and specifically on the requirements for cellular phones, digital pagers...
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Wireless Audio and Data Using Frequency Hopping at 2.4 GHz

Advanced digital wireless networks, which are fundamentally changing the commercial and professional audio industries by intimately combining frequency hopping technology and digital audio
Wireless Audio and Data Using Frequency Hopping at 2.4 GHz Advanced digital wireless networks carrying multiple channels of high fidelity music and voice multiplexed with data are in operation for the first time. The networks, operating from a PC or as stand-alone systems, are fundamentally changing the commercial and...
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An I/Q Modulator for Wireless Applications

I/Q modulators that feature 10 dB (max) conversion loss, carrier rejection greater than 20 dB and third-harmonic sideband suppression better than 40 dB
An I/Q Modulator for Wireless Applications RF Prime Corp. Sacramento, CA The model RFIQ-19-SM20 is one of a new family of I/Q modulators designed and manufactured using the patented Blue Cell process. The modulator is designed for use in wireless communication systems in the personal communications service (PCS) frequencies...
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