Smart Antennas for Wireless Communications: IS-95 and Third Generation CDMA Applications

Smart Antennas for Wireless Communications: IS-95 and Third Generation CDMA Applications

by Joseph Liberti, Theodore S. Rappaport
     
 

ISBN-10: 0137192878

ISBN-13: 9780137192878

Pub. Date: 04/12/1999

Publisher: Prentice Hall

71928-6

IS-95 and Third Generation CDMA Applications.

The one-stop source for engineering CDMA adaptive antennas.

New adaptive ("smart") antenna arrays can enhance the performance of virtually any CDMA system, including IS-95, IMT-2000 and Wideband CDMA. Smart Antennas for Wireless Communications is the first book that brings together all the real-world

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Overview

71928-6

IS-95 and Third Generation CDMA Applications.

The one-stop source for engineering CDMA adaptive antennas.

New adaptive ("smart") antenna arrays can enhance the performance of virtually any CDMA system, including IS-95, IMT-2000 and Wideband CDMA. Smart Antennas for Wireless Communications is the first book that brings together all the real-world data and expertise communications engineers need to develop smart antennas for CDMA.

Start out with a detailed overview of IS-95 PCS and Cellular CDMA, including uplink and downlink signal formats and link budgets. Next, understand the full range of smart antenna technology, from simple beamforming networks to advanced multi-user spatial processing systems. Learn how adaptive antenna systems can change patterns dynamically, adjusting to noise, interference, and multipath as they track mobile users.

Learn the key elements of smart antenna development, including vector channel impulse response, spatial signatures, spatial diversity, diversity combining, sectoring, and transmission beamforming. Understand important CDMA-related issues, including non-coherent and coherent CDMA spatial processors, dynamic re-sectoring, and the use of spatial filtering to increase range and capacity. Master all these fundamental design techniques:

  • Characterization of spatio-temporal radio channels.
  • The geometrically-based single bounce elliptical model.
  • Optimal spatial filtering and adaptive algorithms.
  • Direction-Of-Arrival estimation algorithms.
  • This book reflects the latest developments in CDMA and smart antennas, including the IS-95 and J-STD-008 CDMA standards, 14.4K vocoders, and techniques for designing RF location systems that meet the FCC's stringent E-911 requirements. Whether you're designing for today's CDMA systems or tomorrow's, you'll find it invaluable.

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Product Details

ISBN-13:
9780137192878
Publisher:
Prentice Hall
Publication date:
04/12/1999
Series:
Prentice Hall Communications Engineering and Emerging Technologies Series from Ted Rappaport Series
Edition description:
New Edition
Pages:
528
Product dimensions:
7.00(w) x 9.50(h) x 1.10(d)

Table of Contents

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

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