When measurements aren't feasibleBy Jay M. Jacobsmeyer, P.E. Computer models are the next best thing for predicting radio wave propagation... Emulator tests RF interferenceBy Mary Rose Roberts Spirent Communications unveiled the SR5500 wireless channel emulator, a hardware and software offering that recreates radio frequency fading and interference effects... VeriWave opens a WLAN testing facilityVeriWave opened a wireless LAN testing facility in San Jose, Calif., dubbed WaveLab. The lab will test large-scale enterprise and metro-size deployments... Intrado next-gen 911 testing program gains participantsLeading 911 systems provider Intrado announced that several technology companies are participating in its Intelligent Emergency Network (IEN) Connect... Vendors unleash flurry of new productsBy Mary Rose Roberts Engineers have more options to test and measure wireless communications systems and devices, as vendors recently released several new devices. For example,... Traffic-monitoring system test planned in MichiganThe Road Commission for Oakland County, Mich., the Michigan Department of Transportation and Motorola will test wireless communications between vehicles... Aeroflex, Etherstack to develop P25 testing toolsBy Donny Jackson Test-equipment vendor Aeroflex and software firm Etherstack will jointly develop and market products to support Project 25 protocol conformance testing,... Measure, measure and then measureBy Doug Mohney Ensuring radio frequency, or RF, coverage in enclosed structures such as parking garages, buildings and tunnels is a challenging task because some in-building... Spreading the wealthBy Jay M. Jacobsmeyer, P.E. By definition, a multiple access technique enables two or more users to simultaneously share some finite piece of radio spectrum. In this article, we... Diversity is a good thingBY JAY M. JACOBSMEYER, P.E. Antenna diversity is a method for combining multiple, independent, fading signals in a diversity receiver. It is a powerful technique for improving receiver... Verifying talk-back coverageBY JAY M. JACOBSMEYER, P.E. Last month we talked about methods for conducting drive-test surveys with emphasis on talk-out, or downlink measurements. We neglected to mention talk-back,... ARRL welcomes FCC test of BPL systemDonny Jackson ARRL, the national association for amateur radio operators, applauded a recent FCC decision to seek more information on a complaint that the high-profile... Intrado completes successful automatic-location test for VoIP 911Donny Jackson Leading 911 systems provider Intrado recently completed a test in Seattle demonstrating the ability to integrate three different technologies to automatically... Anritsu microwave measurement unit names vice presidentBY DOUG MOHNEY Anritsu announced the appointment of Donn Mulder to the position of vice president and general manager of the company's Microwave Measurement Division.... Alaska agency to field test RFID, GPS technologiesBY DOUG MOHNEY The Alaska Department of Commerce has partnered with radio frequency identification solutions vendor Franwell on a pilot study that will field test RFID... |
advertisement Hot SpotsProject 25InteroperabilityRebandingPSAPadvertisement Essential ReadingA corner turnedLet the buyer bewareWhen measurements aren't feasibleVerizon, AT&T both plan 2010 launch for LTE networksMotorola shuffles the deck |
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