L Band Service Compatibility Part I: Optimum OOBE Compatibility

Details

• Corporate Creators:
  Greenwood Telecommunications Consultants LLC
• Subject/TRT Terms:
  • Antennas
  • Global Positioning System
  • Workshops
  • Global Navigation Satellite System
• Resource Type:
  Presentations
• Geographical Coverage:
  United States ; California
• Corporate Publisher:
  Greenwood Telecommunications Consultants LLC
• Abstract:
  Discussion: -- Two Parts - Today we focus on optimum L Band ABC Out of Band Emission into GPS L1, OOBE. - Next ABC meeting will examine GPS-side mitigation of Adjacent Band Interference, ABI. -- Greater Compatibility: OOBE and ABI are distinct but parallel forms of interference - OOBE mitigation governed by transmitter’s sideband emissions into GPS receive bands - ABI rejection governed by GPS receiver rejection of nearby lawfully operating signals - Parallel: Must solve, set OOBE and ABI rules together -- We start with the first compatibility factor, OOBE… - From any band, but special focus on L Band, Proposed ATC inside GEO-MSS uplink - Presented in our FCC Request for Comments filed September 2013 - We find that ATC offers optimum level of compatibility at -105 dBW/MHz using competitive commercial components - We also examine compatibility criteria and compare MSS vs ATC uplink OOBE impact
• Content Notes:
  Presented to DOT ABI Workshop
• Format:
  PDF
• Download URL:
  https://rosap.ntl.bts.gov/view/dot/34708/dot_34708_DS1.pdf
• File Type:
  [PDF - 1.10 MB]
• Collection(s):
  US Transportation Collection
• Main Document Checksum:
  urn:sha256:0e985bc61d83b858ec58300daee74395400d8d998068424ca40a1097be664754