Optimizing and testing WLANs : proven techniques for maximum performance

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Title:

Personal Author:

Alexander, Tom.

Series Title:

Communications engineering series.

Series:

Communications engineering series.

Publication Information:

Amsterdam ; Boston : Elsevier Newnes, c2007.

Physical Description:

xiv, 253 p. : ill. ; 24 cm.

ISBN:

9780750679862

Subject Term:

Wireless LANs -- Security measures.

Local area networks (Computer networks) -- Security measures.

Available:*

Library	Item Barcode	Call Number	Material Type	Item Category 1	Status
Searching... PSZ JB	30000003495961	TK5105.78 .A44 2007	Open Access Book	Book	Searching... Unknown

Optimizing and Testing WLANs explores proven techniques for maximizing the coverage area and performance of wireless networks. The author's insider position on the IEEE committee developing standards for WLAN testing ensures timeliness and technical integrity of the material. The book includes coverage of newer multiple input/multiple output (MIMO) wireless networks. The techniques provided will allow engineers to help maintain continuous wireless connectivity to laptops and other mobile devices.

Optimizing and Testing WLANs is the first book to address the need to test WLANs (Wireless Local Area Networks) for proper performance and to optimize their operation as they become increasingly common. It covers test equipment and methods for the RF (wireless) and physical layers of WLAN, protocols, the application layer, and manufacturing testing. The emphasis throughout is on underlying engineering principles along with modern metrics and methodologies, ensuring this book gives both a solid theoretical background along with field-proven techniques and applications. A particularly engaging chapter deals with manufacturing test that describes some of the different manufacturing test setups and equipment. A concise introduction to deployment testing of "hotspots" and WLANs in enterprises is also provided.

This text will be of interest to RF wireless engineers and designers, networking engineers, IT professionals and managers, and graduate students.

Preface	p. ix
Introduction	p. xi
Chapter 1 IEEE 802.11 WLAN Systems	p. 1
1.1 IEEE 802.11 Wireless Local Area Networks	p. 1
1.2 WLAN Standards Today	p. 3
1.3 Inside WLAN Devices	p. 13
1.4 The RF Layer	p. 19
Chapter 2 Metrology, Test Instruments, and Processes	p. 27
2.1 Metrology: the Science of Measurement	p. 27
2.2 The Nomenclature of Measurement	p. 28
2.3 Measurement Quality Factors	p. 31
2.4 The WLAN Engineer's Toolbox	p. 33
2.5 Test Setups and Test Processes	p. 37
2.6 Repeatability	p. 48
Chapter 3 WLAN Test Environments	p. 55
3.1 Wired vs. Wireless	p. 55
3.2 Types of Environments	p. 56
3.3 Outdoor and Indoor OTA	p. 59
3.4 Chambered OTA Testing	p. 64
3.5 Conducted Test Setups	p. 69
3.6 Repeatability	p. 72
Chapter 4 Physical Layer Measurements	p. 75
4.1 Types of PHY Layer Measurements	p. 75
4.2 Transmitter Tests	p. 77
4.3 Receiver Tests	p. 90
4.4 Electromagnetic Compatibility Testing	p. 94
4.5 System Performance Tests	p. 99
4.6 Getting the DUT to Respond	p. 105
Chapter 5 Protocol Testing	p. 109
5.1 An Introduction to Protocol Testing	p. 109
5.2 Conformance and Functional Testing	p. 111
5.3 Interoperability Testing	p. 117
5.4 Performance Testing	p. 121
5.5 Standardized Benchmark Testing	p. 133
Chapter 6 Application-Level Measurements	p. 137
6.1 System-Level Measurements	p. 137
6.2 Application Traffic Mixes	p. 146
6.3 VoIP Testing	p. 150
6.4 Video and Multimedia	p. 158
6.5 Relevance and Repeatability	p. 162
Chapter 7 WLAN Manufacturing Test	p. 165
7.1 The WLAN Manufacturing Flow	p. 165
7.2 Manufacturing Test Setups	p. 171
7.3 Radio Calibration	p. 175
7.4 Programming	p. 176
7.5 Functional and System Testing	p. 177
7.6 Failure Patterns	p. 179
Chapter 8 Installation Test	p. 181
8.1 Enterprise WLANs	p. 181
8.2 Hot-spots	p. 188
8.3 The Site Survey	p. 190
8.4 Propagation Analysis and Prediction	p. 196
8.5 Maintenance and Monitoring	p. 202
Chapter 9 Testing MIMO Systems	p. 207
9.1 What is MIMO?	p. 207
9.2 The IEEE 802.11n PHY	p. 219
9.3 A New PLCP/MAC Layer	p. 225
9.4 The MIMO Testing Challenge	p. 231
9.5 Channel Emulation	p. 233
9.6 Testing 802.11n MIMO Devices	p. 237
Appendix A A Standards Guide	p. 241
A.1 FCC Part 15	p. 241
A.2 IEEE 802.11	p. 242
A.3 Wi-Fi Alliance	p. 243
A.4 CTIA	p. 243
A.5 IETF BMWG	p. 244
Appendix B Selected Bibliography	p. 245
Index	p. 249

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Table of Contents