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Home > Reference Books > Research and information: general > Research methods: general > Evaluation of Mobile Phone Interference with Aircraft GPS Navigation Systems
Evaluation of Mobile Phone Interference with Aircraft GPS Navigation Systems

Evaluation of Mobile Phone Interference with Aircraft GPS Navigation Systems


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About the Book

This report compiles and analyzes tests that were conducted to measure cell phone spurious emissions in the Global Positioning System (GPS) radio frequency band that could affect the navigation system of an aircraft. The cell phone in question had, as reported to the FAA (Federal Aviation Administration), caused interference to several GPS receivers on-board a small single engine aircraft despite being compliant with data filed at the time with the FCC by the manufacturer. NASA (National Aeronautics and Space Administration) and industry tests show that while there is an emission in the 1575 MHz GPS band due to a specific combination of amplifier output impedance and load impedance that induces instability in the power amplifier, these spurious emissions (i.e., not the intentional transmit signal) are similar to those measured on non-intentionally transmitting devices such as, for example, laptop computers. Additional testing on a wide sample of different commercial cell phones did not result in any emission in the 1575 MHz GPS Band above the noise floor of the measurement receiver.Pace, Scott and Oria, A. J. and Guckian, Paul and Nguyen, Truong X.Langley Research CenterGLOBAL POSITIONING SYSTEM; MOBILE COMMUNICATION SYSTEMS; TELEPHONES; SINGLE ENGINE AIRCRAFT; WIRELESS COMMUNICATION; RADIO FREQUENCY INTERFERENCE; NAVIGATION; RADIO FREQUENCIES; POWER AMPLIFIERS; WIDE AREA NETWORKS; PORTABLE EQUIPMENT; NOISE MEASUREMENT; EMISSION; IMPEDANCE; NASA PROGRAMS; LOCAL AREA NETWORKS


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Product Details
  • ISBN-13: 9781720514244
  • Publisher: Createspace Independent Publishing Platform
  • Publisher Imprint: Createspace Independent Publishing Platform
  • Height: 279 mm
  • No of Pages: 44
  • Spine Width: 2 mm
  • Width: 216 mm
  • ISBN-10: 1720514240
  • Publisher Date: 31 May 2018
  • Binding: Paperback
  • Language: English
  • Returnable: N
  • Weight: 127 gr


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