Fixed Broadband Wireless Communications : Principles and Practical Applications

Douglas H. Morais

立即出貨(限量) (庫存=7)





This is an up-to-date publication that is addressed exclusively to fix broadband wireless systems.


Table of Contents:



1. Introduction.

Fixed Broadband Wireless: A Definition. Brief History of Fixed Wireless. Primary Fixed Wireless Applications. Alternative Technologies. Coverage Methods.

2. Fixed Wireless Payload: Digital Data.

Introduction. Circuit Switched Data. Packet Switched Data. Digitized Video. The Service Channel. Wayside Channels.

3. Mathematical Tools for Digital Transmission Analysis.

Introduction. Spectral Analysis of Non-periodic Functions. Statistical Methods.

4. Fixed Wireless Digital Modulation: The Basic Principles.

Introduction. Principles of Baseband Data Transmission. Linear Modulation Systems. Nonlinear Modulation, 4-Level FSK. Transmission Frequency Components.

5. The Fixed Wireless Path.

Introduction. Antennas. Free Space Propagation. Received Signal Level. Fading Phenomena. External Interference. Outage and Unavailability. Outage Analysis. Diversity Techniques for Improved Availability.

6. Link Performance Optimization in the Presence of Path Anomalies and Implementation Imperfections.

Introduction. Forward Error Correction Coding. Adaptive Equalization. Cross-Polarization Interference Cancellation (XPIC). Automatic Transmitter Power Control (ATPC).

7. Point-to-Point Systems in Licensed Frequency Bands.

Introduction. Spectrum Management Authorities. Frequency Band Channel Arrangements and Their Multihop Application. Popular Frequency Bands. Single- and Multichannel System Architectures. Typical Radio Terminals.

8. Point-to-Point Systems in Unlicensed Frequency Bands.

Introduction. Spread Spectrum Techniques. Unlicensed Frequency Bands. Typical Radio Terminal: The Plessey Broadband Wireless MDR 2400/5800 SR, 4 T1/E1 plus 10BaseT, 2.4/5.8 GHz, DSSS CCK Unit.

9. Fixed Broadband Wireless Access Systems.

Introduction. Multiple Access Schemes. Transmission Signal Duplexing. Medium Access Control (MAC). Dynamic Bandwidth Allocation (DBA). Adaptive Modulation. Non-Line-of Sight (NLOS) Techniques. Mesh Networks. Air Interface Standards. Popular Frequency Bands. Two Commercial PMP Systems.

Appendix: Helpful Mathematical Identities.

Abbreviations and Acronyms.