Contents
The Mobile Radio Environment.

· Representation of a Mobile Radio Signal.

· Causes of Propagation Path Loss.

· Causes of Fading.

· Reciprocity Principle.

· Definitions of Necessary Terms and Their Applications.

Prediction of Propagation Loss.

• The Philosophy behind the Prediction of Propagation Loss.

• Obtaining Meaningful Propagation-Loss Data from Measurements.

• Prediction over Flat Terrain.

• Point-to-Point Prediction (Path-Loss Prediction over Hilly Terrain).

• Other Factors.

• The Merit of Point-to-Point Prediction.

• Microcell Prediction Model.

Calculation of Fades and Methods of Reducing Fades.

• Amplitude Fades.

• Random PM and Random FM.

• Selective Fading and Selective Random FM.

• Diversity Schemes.

• Combining Techniques.

• Bit-Error Rate and Word-Error Rate in Fading Environment.

• Calculation of Signal Strength above a Level in a Cell (for a Stationary Mobile Unit).

• Single-Sideband (SSB) Modulation.

Mobile Radio Interference.

• Noise-Limited and Interference-Limited Environment.

• Co-channel and Adjacent-Channel Interference.

• Intermodulation (IM).

• Near-End-to-Far-End Ratio.

• Intersymbol Interference.

• Simulcast Interference.

• Radius of Local Scatterers.

Frequency Plans and Their Associated Schemes.

• Channelized Schemes and Frequency Reuse.

• Frequency-Division Multiplexing (FDM).

• Time-Division Multiplexing (TDM).

• Spread Spectrum and Frequency Hopping.

• Cellular Concept.

• Spectral Efficiency and Cellular Schemes.

Design Parameters at the Base Station.

• Antenna Locations.

• Antenna Spacing and Antenna Heights.

• Antenna Configurations.

• Noise Environment.

• Power and Field Strength Conversions.

Design Parameters at the Mobile Unit.

• Antenna Spacing and Antenna Heights.

• Mobile Unit Standing Still and in Motion.

• Independent Samples and Sampling Rate.

• Directional Antennas and Diversity Schemes.

• Directional Antennas.

• Frequency Dependency and Independency.

• Noise Environment.

• Antenna Connections and Locations on the Mobile Unit.

• Field Component Diversity Antennas.

Signaling and Channel Access.

• Criteria of Signaling Design.

• False-Alarm Rate.

• Word-Error Rate.

• Channel Assignment.

• Switching Capacity Consideration.

Cellular CDMA.

• Why CDMA?

• Narrowband (NB) Wave Propagation.

• Wideband (WB) Signal Propagation.

• Key Elements in Designing Cellular.

• Spread Techniques in Modulation.

• Description of DS Modulation.

• Capacities of Multiple-Access Schemes.

• Reduction of Near-Far Ratio Interference in CDMA.

• Natural Attributes of CDMA.

Microcell Systems.

• Design of a Conventional Cellular System.

• Description of New Microcell System Design.

• Analysis of Capacity and Voice Quality.

• Reduction of Hand-offs.

• System Capacity.

• Attributes of Microcell.

Miscellaneous Related Systems.

• PCS (Personal Communications Service).

• Portable Telephone Systems.

• Air-to-Ground Communications.

• Land-Mobile/Satellite Communications System.

References.

Problems.

Index