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Wireless Telecommunication

Kaelus is dedicated to providing quality information on the products that we provide, support and manufacture. 

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PIM Test Power Levels For Mobile Communication Systems

4G systems require network architectures with broadband modulation schemes to achieve the required increase in network capacity. This paper reviews the applicability of IEC 62037 for qualifying components, subsystems and systems used in today’s commercial telecommunications infrastructure and specifically addresses whether or not there is technical merit in increasing PIM test power levels from 20W to 40W. 

Test & Measurement

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EVM Degradation in LTE Systems by RF Filtering

This report presents the results of an investigation into the EVM rise experienced by an LTE signal as it passes through an RF band pass filter of the type found in the front end of a typical cellular Node B.

Site Optimization Products

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Introduction to Same Band Combining of UMTS & GSM

The advantage of using a Same Band Combiner (SBC) is that infrastructure such as feeders, tower mounted amplifiers and antennas can be shared by multiple base stations or node-Bs. This means less equipment is required per sector with the benefits of lower operational & capital expenditure (opex/capex) as well as more efficient use of tower space. 

Site Optimization Products

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Passive Intermodulation Measurement Techniques

Through interaction with engineers and technicians in many countries throughtout the world, Kaelus has had the opportunity to discuss and evaluate measurement techniques as they apply to a wide variety of items.

Test & Measurement

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Range to Fault Technology

Passive intermodulation (PIM) has been recognized as a problem in communications systems for nearly 50 years. New technology is helping cut down on the amount of time it takes to find the source of the problem. Learn how Range To Fault (RTF) analysis can accurately predict the location of multiple static PIM sources within the RF infrastructure.

Test & Measurement

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Range to Fault Technology - Espanol

Passive intermodulation (PIM) has been recognized as a problem in communications systems for nearly 50 years. New technology is helping cut down on the amount of time it takes to find the source of the problem. Learn how Range To Fault (RTF) analysis can accurately predict the location of multiple static PIM sources within the RF infrastructure.

Test & Measurement

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