Description: 1. Introduction. The Cellular Radio Concept. Evolution of Wireless Communications. Spread Spectrum and Code Division Multiple Access. Antenna Systems. Basic Concepts in Radiowave Propagation. Small Scale Fading. Large Scale Path Loss. Summary. 2. IS-95 PCS & Cellular CDMA. Cellular and PCS Frequency Allocation. How IS-95 CDMA PCS Systems Work. Typical Link Budgets for IS-95 PCS. Reverse Traffic Channel Transmission for IS-. IS-95 Forward Channel Signals. IS-95 Evolution and cdma. Summary. 3. Introduction to Smart Antennas: Spatial Processing for Wireless Systems. Key Benefits of Smart Antenna Technology. Introduction to Smart Antenna Technology. The Vector Channel Impulse Response and the Spatial Signature. Spatial Processing Receivers. Fixed Beamforming Networks. Switched Beam Systems. Adaptive Antenna Systems. Wideband Smart Antennas. Spatial Diversity, Diversity Combining, and Sectoring. Digital Radio Receiver Techniques and Software Radios for Smart Antennas. Transmission Beamforming. Array Calibration. Summary. 4. Smart Antennas Techniques for CDMA. Non-Coherent CDMA Spatial Processors. Coherent CDMA Spatial Processors and the Spatial Processing Rake Receiver. Multi-User Spatial Processing. Dynamic Re-sectoring Using Smart Antennas. Downlink Beamforming for CDMA. Summary. 5. CDMA System Range and Capacity Improvement Using Spatial Filtering. Range Extension In CDMA. Single Cell Systems with Spatial Filtering at the IS-. Base Station. Reverse Channel Performance of Multi-cell Systems with Spatial Filtering at the Base Station. Reverse Channel Spatial Filtering at the WLL Subscriber Unit. Range and Capacity Analysis Using Smart Antennas - A Vector-Based Approach. Summary. 6. Characterization of Spatio-Temporal Radio Channels. Wireless Multipath Channel Models, Environment, and Signal Parameters. Spatio-Temporal Channel Models for Smart Antennas. Spatial Channel Measurements. Application of Spatial Channel Models. Summary. 7. The Geometrically Based Single Bounce Elliptical Model. Simulation of Multipath Component Parameters in GBSBEM. Marginal Distribution of the Direction-Of-Arrival in the GBSBEM Model. Doppler Spectra and the Fading Envelope. Selection of the Maximum Path Delay, tm. Summary. 8. Optimal Spatial Filtering and Adaptive Algorithms. Impact of Multipath on Optimal Spatial Filtering. Performance of Underloaded and Overloaded Adaptive Arrays. Adaptive Algorithms. Adaptive Algorithms for CDMA. Multitarget Decision-Directed Algorithm (MT-DD). Least Squares De-spread Re-spread Multitarget Array (LS-DRMTA). Least Squares De-spread Re-spread Multitarget Constant Modulus Algorithm. Summary. 9. Direction-Of-Arrival Estimation Algorithms. Conventional Methods for DOA Estimation. Subspace Methods for DOA Estimation. Maximum Likelihood Techniques. DOA Estimation under Coherent Signal Conditions. The Iterative Least Squares Projection Based CMA. The Integrated Approach to DOA Estimation. Detection of Number of Sources in Eigen Decomposition. Summary. 10. RF Position Location Systems. Direction Finding PL Systems. True Ranging PL Systems. Elliptical PL Systems. Hyperbolic PL Systems. Hyperbolic versus DF PL Systems. TDOA Estimation Techniques. Measures of Position Location Accuracy. Summary. Appendix A: Multiple Access Interference and the Gaussian Approximation. Appendix B: Q, erf, & erfc Functions. Appendix C: Mathematical Tables. Appendix D: Abbreviations and Acronyms. References. Index. The Authors

Please Wait