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Antennas for Base Stations : In Wireless Communications

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ISBN: 9780071612883 | 0071612882
Edition: 1st
Format: Hardcover
Publisher: McGraw-Hill Professional
Pub. Date: 6/2/2009

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SummaryTable of ContentsAuthor Biography
The latest in advanced antenna technologies for modern wireless communications systemsWritten by a global team of expert contributors, this book offers details on the wide-range of antennas used in today's wireless communication networks. Coverage includes low-cost suspended plate antennas, combined complementary antennas, electrical controlled antennas, multiple-input-multiple-output antenna systems, and smart antenna systems. Capacity optimization technology of antennas, electronically steerable antenna array systems, and broadband circularly... MORE
... MORE
Prefacep. xiii
Acknowledgmentsp. xv
Introductionp. xvii
Fundamentals of Antennasp. 1
Basis Parameters and Definitions of Antennasp. 1
Input Impedance and Equivalent Circuitsp. 2
Matching and Bandwidthp. 3
Radiation Patternsp. 4
Polarization of the Antennap. 6
Antenna Efficiencyp. 9
Directivity and Gainp. 10
Intermodulationp. 13
Important Antennas in This Bookp. 15
Patch Antennasp. 15
Suspended Plate Antennasp. 17
Planer Inverted-L/F Antennasp. 18
Planer Dipoles/Monopolesp. 20
Basic Measurement Techniquesp. 21
Measurement Systems for Impedance Matchingp. 21
Measurement Setups for Far-Zone Fieldsp. 22
Measurement Systems for Intermodulationp. 26
System Calibrationp. 28
Remarksp. 28
Referencesp. 29
Base Station Antennas for Mobile Radio Systemsp. 31
Operational Requirementsp. 32
Antenna Performance Parametersp. 33
Control of Antenna Parametersp. 36
The Design of a Practical Base Station Antennap. 44
Methods of Constructionp. 44
Array Designp. 51
Dimensioning the Arrayp. 51
Multiband and Wideband Arraysp. 62
Feed Networksp. 67
Practical Cost/Performance Issuesp. 68
Passive Intermodulation Products and Their Avoidancep. 69
Use of Computer Simulationp. 71
Arrays with Remotely Controlled Electrical Parametersp. 72
Antennas for TD-SCDMA Systemsp. 78
Measurement Techniques for Base Station Antennasp. 80
Array Optimization and Fault Diagnosisp. 83
RADHAZp. 86
Visual Appearance and Planning Issuesp. 87
Future Directionsp. 91
Referencesp. 93
Antennas for Mobile Communications: CDMA, GSM, and WCDMAp. 95
Introductionp. 95
Requirements for Indoor Base Station Antennasp. 95
Requirements for Outdoor Base Station Antennasp. 96
Case Studiesp. 98
An Eight-Element-Shaped Beam Antenna Arrayp. 98
A 90° Linearly Polarized Antenna Arrayp. 106
A Dual-Band Dual-Polarized Arrayp. 111
A Broadband Monopolar Antenna for Indoor Coveragep. 117
A Single-Feed Dual-Band Patch Antenna for Indoor Networksp. 122
Conclusionp. 126
Acknowledgmentp. 126
Referencesp. 127
Advanced Antennas for Radio Base Stationsp. 129
Benefits of Advanced Antennasp. 130
Advanced Antenna Technologiesp. 131
Three-Sector Reference Systemp. 132
Three-Sector Omnidirectional Antennap. 134
Higher Order Receive Diversityp. 137
Field Trialp. 138
Transmit Diversityp. 139
Antenna Beamtiltp. 139
Case Studyp. 146
Modular High-Gain Antennap. 148
Case Studyp. 150
Field Trialp. 153
Higher Order Sectorizationp. 154
Case Studyp. 156
Fixed Multibeam Array Antennap. 157
Field Trialsp. 161
Migration Strategyp. 165
Steered Beam Array Antennap. 167
Amplifier Integrated Sector Antennap. 168
Case Studyp. 169
Amplifier Integrated Multibeam Array Antennap. 171
Conclusionp. 173
Referencesp. 174
Antenna Issues and Technologies for Enhancing System Capacityp. 177
Introductionp. 177
Mobile Communications in Japanp. 177
Wireless Access Systemp. 179
Design Considerations for Antennas from a Systems Point of Viewp. 182
Case Studiesp. 184
Slim Antennap. 184
Narrow HPBW Antenna with Parasitic Metal Conductorsp. 188
SpotCell (Micro-Cell) Antennap. 194
Booster Antennap. 196
Control of Vertical Radiation Patternp. 196
Conclusionp. 202
Referencesp. 202
New Unidirectional Antennas for Various Wireless Base Stationsp. 205
Introductionp. 205
Patch Antennasp. 207
Twin L-Shaped Probes Fed Patch Antennap. 207
Meandering-Probe Fed Patch Antennap. 210
Differential-Plate Fed Patch Antennap. 212
Complementary Antennas Composed of an Electric Dipole and a Magnetic Dipolep. 219
Basic Principlep. 220
Complementary Antennas Composed of Slot Antenna and Parasitic Wiresp. 221
Complementary Antennas with a Slot Antenna and a Conical Monopolep. 221
New Wideband Unidirectional Antenna Elementp. 222
Conclusionp. 236
Acknowledgmentp. 237
Referencesp. 237
Antennas for WLAN (WiFi) Applicationsp. 241
Introductionp. 241
WLAN (WiFi)p. 241
MIMO in WLANsp. 243
Design Considerations for Antennasp. 245
Materials, Fabrication Process, Time to Market, Deployment, and Installationp. 246
MIMO Antenna System Design Considerationsp. 249
State-of-the-Art Designsp. 255
Outdoor Point-to-Point Antennasp. 255
Outdoor Point-to-Multiple-Point Antennasp. 260
Indoor Point-to-Multiple Point Antennasp. 260
Case Studiesp. 264
Indoor P2MP Embedded Antennap. 265
Outdoor P2P Antenna Arrayp. 270
Dual-Band Outdoor P2P Antenna Arrayp. 270
Outdoor P2P Diversity Grid Antenna Arrayp. 276
Outdoor/Indoor P2MP HotSpot/HotZone Antennap. 279
MIMO Antenna Arrayp. 282
Three-Element Dual-Band MIMO Antennap. 286
Conclusionp. 287
Referencesp. 288
Antennas for Wireless Personal Area Network (WPAN) Applications: RFID/UWB Positioningp. 291
Introductionp. 291
Wireless Personal Area Network (WPAN)p. 292
Radio Frequency Identification (RFID)p. 296
Ultra-Wideband (UWB) Positioningp. 305
Antenna Design for RFID Readersp. 313
Design Considerationsp. 313
Case Studyp. 318
Antenna Design for Indoor Mono-Station UWB Positioning Systemp. 341
Design Considerationsp. 341
Case Study: Six-Element Sectored Antenna Arraysp. 341
Conclusionp. 346
Referencesp. 347
Indexp. 349
Table of Contents provided by Ingram. All Rights Reserved.

Zhi Ning Chen, Ph.D., DoE, (Editor) is principal scientist and department head for RF And Optical at the Institute for Infocomm Research. He is concurrently holding adjunct professor appointments at Southeast University, Nanjing University, National University of Singapore and Nanyang Technological University, Singapore, and is a fellow of the IEEE.

Kwai-Man Luk, Ph.D., (Editor) is currently a head and chair professor of the Electronic Engineering Department at City University of Hong Kong. His recent research interests include design of patch, planar and dielectric resonator antennas, microwave and antenna measurements, and computational electromagnetics.

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