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Determining cross-modulation interference is an important factor in the design of a code division multiple access (CDMA) mobile transceiver. The cross-modulation interference level directly affects the performance of the receiver's ability to overcome the spurious interferences, such as what the IS-98 1 calls single tone desensitization. A few papers...

This article continues the trend of previous publications, 1,2 to simplify the prediction of RF performance of systems designed for wireless digital communications. The first shows the correlation between sidelobes and intermodulation (IM) products. Sidelobes are the result of the spectrum re-growth when a digitally modulated signal is applied...

ASK HARLAN YOUR RF & MICROWAVE TECH Q&A RESOURCE You may know Harlan Howe from his twelve years as publisher and editor of Microwave Journal ®, or from his 34 years as a Microwave design engineer and engineering manager, or from his service as an IEEE fellow and past...

ASK HARLAN YOUR RF & MICROWAVE TECH Q&A RESOURCE You may know Harlan Howe from his twelve years as publisher and editor of Microwave Journal ®, or from his 34 years as a Microwave design engineer and engineering manager, or from his service as an IEEE fellow and past...

Raytheon Co. has been awarded a $16.8 M production option to a previously awarded US Army Communications - Electronic Command (CECOM) contract for the production of AN/TPN-31 Air Traffic Navigation, Integration and Coordination Systems (ATNAVICS) and AN/FPN-67 Fixed Base Precision Approach Radar (FBPAR) systems. ATNAVICS is a completely self-contained...

CECOM has selected Rockwell Collins as the standard supplier of GPS engines to the US Army, enabling support of soldiers on the three-dimensional digital battle space. Rockwell Collins won the competitive two-year ground-based GPS receiver application module (GB-GRAM) contract that has an estimated value of $30 M when the...

The Air Force Research Laboratory at Eglin Air Force Base (AFB), FL, awarded Lockheed Martin a $12 M contract for the Autonomous Wide Area Search Munition (AWASM) program, focused on integrating a two-way data link capability into a wide area search miniature munition. The contract launches a 30-month effort...

Raytheon Co. has been selected to enter into negotiation toward an estimated $50 M Future Combat Systems (FCS) contract to serve as Ground System Integrator (GSI). The announcement of this selection for negotiations was made by FCS Lead System Integrator (LSI), led by Boeing, on behalf of the US...

Lockheed Martin has been selected as one of two contractors to develop a follow-on weapon system to the Shoulder-Launched Multi-purpose Assault Weapon (SMAW) for the US Marine Corps. The contract is for the system integration phase (SIP) of the follow-on to SMAW (FOTS) program. It calls for Lockheed Martin...

The response time and coordination of the emergency services in Czluchow, Poland, are set to improve, after the Polish government commissioned a pilot project to set up a new control centre equipped with a modern TETRA radio system. With a view to improving internal security and cooperation among rescue...