Wireless LAN radios : system definition to transistor design /
Arya Behzad.
- 1 PDF (xiii, 241 pages) : illustrations.
- IEEE series on digital & mobile communication ; 11 .
- IEEE series on digital & mobile communication ; 11 .
Includes bibliographical references and index.
Preface -- Acronyms -- CHAPTER 1 802.11 Flavors and System Requirements -- 1.1 Definition -- 1.2 WLAN Market Trends -- 1.3 History of 802.11 -- 1.4 802.11: b, a, or g? -- 1.5 802.11b Standard -- 1.6 802.11a Channel Allocation -- 1.7 802.11a and 802.11g: OFDM Mapping -- 1.7.1 Multipath Fading -- 1.8 802.11a/g: Data Rates -- 1.9 802.11a/g OFDM Packet Construction -- 1.10 802.11 System Requirements -- 1.10.1 Receiver Sensitivity -- 1.10.2 Transmitter Error Vector Magnitude -- 1.10.3 Transmitter Spectral Mask -- 1.11 Vector Signal Analysis -- CHAPTER 2 Radio Receiver and Transmitter Architectures -- 2.1 Architectures -- 2.1.1 Superheterodyne Receiver -- 2.1.1.1 Choice of Intermediate Frequency in Superheterodyne Receiver -- 2.1.2 Low IF Receiver -- 2.1.3 Direct-Conversion Receiver -- 2.1.4 Receiver Architectures: Summary -- 2.1.5 Superheterodyne Transmitter -- 2.1.6 Low IF Transmitter -- 2.1.7 Direct-Conversion Transmitter -- 2.1.8 Polar Modulators -- 2.2 Process Choices: CMOS versus SiGe BiCMOS -- CHAPTER 3 Analog Impairments and Issues -- 3.1 Receiver Sensitivity and Noise Figure -- 3.2 Receiver DC Offsets and LO Leakage -- 3.3 Receiver Flicker Noise -- 3.4 Receiver Interferers and Intermodulation Distortion -- 3.4.1 IP3, IP2, and P1dB -- 3.4.2 Tools for Analyzing Modulated Signal Distortion -- 3.5 Receiver Image Rejection -- 3.5.1 Superheterodyne Receiver -- 3.5.2 Low IF Architecture -- 3.5.3 Direct-Conversion Receiver -- 3.6 Quadrature Balance and Relation to Image Rejection -- 3.7 Quadrature Balance and Relation to EVM -- 3.8 Other Transmitter (Modulator) Impairments -- 3.9 Peak-to-Average Ratio and Relation to Linearity and Efficiency -- 3.10 Local Oscillator Pulling in PLL -- 3.11 Phase Noise in PLL -- 3.12 Far-Out Phase Noise -- 3.13 Effect of Phase Noise on OFDM Systems -- 3.14 Effect of Frequency Errors on OFDM -- 3.15 Summary of Analog/RF Impairments -- CHAPTER 4 Some Key Radio Building Blocks -- 4.1 Low Noise Amplifier. 4.2 Mixer and its Local Oscillator Buffers -- 4.3 Power Amplifier -- 4.4 Fully Integrated VCO -- 4.5 Multifrequency (Stacked) Mixer -- 4.6 Open-Loop Transconductance Linearization Circuit -- CHAPTER 5 Calibration Techniques -- 5.1 VCO Calibration -- 5.2 Automatic Frequency Control -- 5.3 Quadrature Error and Local Oscillator Feedthrough Calibration -- 5.4 Bias Current Calibrations (R Calibration) -- 5.5 Filter Time-Constant Calibration (RC Calibration) -- 5.6 Other Calibrations -- CHAPTER 6 Case Studies -- 6.1 Case Study 1: A CMOS 802.11a Transceiver -- 6.1.1 Architecture and Circuit Implementation -- 6.1.2 Receiver -- 6.1.3 Transmitter -- 6.1.4 Phase-Locked Loop -- 6.2 Case Study 2: High Performance WLAN Transmitter Utilizing Quadrature and LOFT Calibration -- CHAPTER 7 Brief Discussion Of 802.11n and Concluding Remarks -- 7.1 Need for 802.11n -- 7.2 802.11a/b/g/n MIMO Transceiver -- 7.2.1 Architecture and Circuit Implementation -- 7.2.1.1 Receiver -- 7.2.1.2 Transmitter -- 7.2.1.3 PLL and LO Generation -- 7.2.1.4 Calibration Techniques -- 7.2.2 Packaging Issues -- 7.2.3 Measurement Results -- 7.2.4 MIMO Case Study Conclusion -- 7.3 Concluding Remarks -- References -- Annotated Bibliography -- Index -- About the Author.
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Wireless LAN Radios presents a sophisticated overview of the subject, covering theory while also emphasizing the practical aspects of this promising technology. Coverage includes 802.11 flavors and system requirements; receiver and transmitter radio architectures; analog impairments and issues; key radio building blocks; calibration techniques; case studies; and a brief discussion of 802.11n. It offers a meaningful presentation of real-world issues facing designers, engineers, theorists, and researchers working in this industry.
Mode of access: World Wide Web
9780470209301
10.1002/9780470209301 doi
Portable radios. Wireless communication systems. Wireless communication systems--Equipment and supplies.