Radio frequency interference in communications systems

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Bibliographic Details
Main Author Elbert, Bruce R. (Author)
Format Electronic eBook
LanguageEnglish
Published Boston : Artech House, 2016.
SeriesArtech House space technology and applications library.
Subjects
Radio > Interference.
elektronické knihy
electronic books
Online AccessFull text
ISBN9781608079667
160807966X
9781523117550
1523117559
9781608079650
1608079651
Physical Description1 online resource : illustrations

Cover

Table of Contents:
  • Machine generated contents note: pt. I Radiocommunication Systems and the RFI Environment
  • ch. 1 The What and Why of RFI in Radio and Wireless Communications
  • 1.1. Engineering of Radiocommunication and Wireless Systems in Light of RFI
  • 1.1.1. Efficient Use of Radio Spectrum
  • 1.1.2. Frequency Band Assignments
  • 1.1.3. Efficient Use of the Geostationary Satellite Orbit and Other Space Environments
  • 1.2. Identifying RFI Modes and Consequences
  • 1.3. Electromagnetic Compatibility and Spectrum Sharing
  • 1.4. Addressing RFI When It Occurs
  • References
  • ch. 2 The Radiocommunication System in an Interference-Limited Environment
  • 2.1. Radiocommunication Requirements
  • 2.1.1. Who: The Organization or Market
  • 2.1.2. What: Network Topology and Frequencies
  • 2.1.3. Where: Locations to Be Served
  • 2.1.4. When: Timing for Fixed, Mobile, or Temporary Communications
  • 2.1.5. How: Equipment and Other Resources
  • 2.2. Transmitters and Receivers
  • 2.2.1. Modem Properties
  • 2.2.2. Frequency Conversion and Amplification
  • 2.2.3. Land-Based Radiocommunication Concepts
  • 2.2.4. Space-Based Radiocommunication Concepts
  • 2.2.5.Communications in Space Research and Remote Sensing
  • 2.3. Antennas in Radiocommunication Services
  • 2.3.1. Nondirectional Antenna Radiation Patterns
  • 2.3.2. Waveguide Horns
  • 2.3.3. Directional Antennas
  • 2.3.4. Multiple Element (Yagi-Uda Array)
  • 2.3.5. Reflector Aperture (Dish Antenna)
  • 2.3.6. Array of Elements (Flat-Panel Array)
  • 2.3.7. Phased Array
  • 2.3.8. Integrating RF Electronics with the Antenna
  • References
  • ch. 3 Key Concepts for Evaluating RFI
  • 3.1. Manmade RFI (Unintentional and Intentional)
  • 3.2. RF Intermodulation and Harmonics
  • 3.3. Interference from Radars and Other Pulsed Sources
  • 3.4. Protection Ratio and Receiver Sensitivity
  • 3.4.1. How to Determine Receiver Threshold
  • 3.4.2. Receiver Desensitization
  • References
  • pt. II Key Aspects of Radio Wave Propagation
  • ch. 4 Link Properties Under Free Space Conditions
  • 4.1. Path Geometries
  • 4.1.1. Ground to Ground
  • 4.1.2. Air to Ground
  • 4.1.3. Space to Earth
  • 4.1.4. Space to Space
  • 4.2. Line-of-Sight Propagation Characteristics in Atmosphere
  • 4.2.1. Coupling to the Antenna
  • 4.2.2. Alternative Measures of Signal Strength
  • 4.2.3. Atmospheric Loss
  • 4.2.4. Rain Attenuation
  • 4.2.5. Tropospheric Scatter
  • References
  • ch. 5 Propagation on Obstructed Paths
  • 5.1. Path Profiles and Obstructions
  • 5.2. Fading on Direct and Blocked Paths
  • 5.2.1. Direct and Reflected Signals: Vector Addition
  • 5.2.2. Ricean Multipath Fading
  • 5.2.3. Rayleigh fading
  • 5.3. Geographic Coverage Analysis
  • 5.3.1. Path Computation Using Software
  • 5.3.2. Measures of Radio Coverage
  • 5.4.Complex Propagation Models
  • 5.4.1. Okumura and Hata Macroscopic Propagation Models
  • 5.4.2. ITS: Longley-Rice Models
  • References
  • pt. III RFI Assessment and Resolution Methodologies
  • ch. 6 Interference Protection Ratio (C/I) and Its Application
  • 6.1.C/I Criteria
  • 6.1.1. Calculation of Static Values
  • 6.1.2. Antenna Characteristics and Isolation
  • 6.2. Non-Steady State Propagation: Scatter, Rain-Induced Interference, Ionospheric Conditions
  • 6.3. Service Performance in the Presence of Interference
  • 6.4. Interference Among Various Systems
  • 6.4.1. Radars vs. Land Mobile Systems
  • 6.4.2. Protection of GPS from Terrestrial Wireless Systems
  • 6.5. Satellite Communications vs. Terrestrial Microwave Systems
  • References
  • ch. 7 RFI Resolution Techniques
  • 7.1. Spectrum Analysis and Monitoring
  • 7.1.1. Spectrogram View and Adjustment
  • 7.2. Spectrum Monitoring and Carrier Measurement
  • 7.3. Interference Location and Radio Direction Finding
  • 7.4. Transmitter ID
  • 7.5. Additional Resources and Strategies
  • 7.5.1. Planning and Coordination
  • 7.5.2. Research and Testing
  • 7.5.3. Remediation
  • References
  • ch. 8 How to Identify, Prevent, and Fix Common RFI problems
  • 8.1. Frequency Planning Techniques
  • 8.1.1. Frequency Assignment
  • 8.1.2. Transmitter Control and ID
  • 8.1.3. Interleaving Spectra and Band Segmentation
  • 8.1.4. Power Control
  • 8.2. Avoiding Intermodulation
  • 8.3. Interference Cancellation
  • 8.3.1. Cancellation at RF (Antenna)
  • 8.3.2. Cancellation at IF
  • 8.3.3. Cancellation at Baseband (Postdetection)
  • 8.4. RFI as an Incident Needing Effective Tools and Management
  • References
  • ch. 9 Prospective for RFI Resolution in Future Radiocommunication Systems
  • 9.1. New Approaches to Interference Management
  • 9.2. Cognitive Radio
  • 9.3. Spectrum Management Tools and Resources
  • 9.3.1. Licensed Shared Access
  • 9.3.2. Model Cities Demonstrations
  • 9.3.3. Spectrum Monitoring and RFI Remediation
  • References.

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