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| Preface | |
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| Introduction | |
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| Overview of UWB | |
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| Advantages of UWB | |
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| UWB Applications | |
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| UWB Transmission Schemes | |
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| Challenges for UWB | |
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| Channel Characteristics | |
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| Large-Scale Models | |
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| Path Loss Models | |
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| Shadowing | |
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| Small-Scale Models | |
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| Tap-Delay-Line Fading Model | |
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| [Delta] - K Model | |
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| Saleh-Valenzuela Model | |
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| Standard UWB Channel Model | |
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| UWB: Single-Band Approaches | |
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| Overview of Single-Band Approaches | |
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| Modulation Techniques | |
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| Pulse Amplitude Modulation | |
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| On-Off Keying | |
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| Phase Shift Keying | |
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| Pulse Position Modulation | |
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| Multiple Access Techniques | |
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| Time-Hopping UWB | |
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| Direct-Sequence UWB | |
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| Demodulation Techniques | |
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| Received Signal Model | |
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| Correlation Receiver | |
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| RAKE Receiver | |
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| MIMO Single-Band UWB | |
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| MIMO Space-Time-Coded Systems | |
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| Space-Time-Coded UWB Systems | |
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| Performance Analysis | |
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| TH-BPPM | |
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| TH-BPSK | |
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| DS-BPSK | |
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| Simulation Results | |
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| Chapter Summary | |
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| UWB: Multiband OFDM Approach | |
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| Overview of Multiband OFDM Approach | |
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| Fundamental Concepts | |
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| Signal Model | |
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| IEEE 802.15.3a WPAN Standard Proposal | |
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| OFDM Parameters | |
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| Rate-Dependent Parameters | |
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| Operating Band Frequencies | |
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| Channelization | |
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| Physical Layer Design | |
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| Scrambler and De-scrambler | |
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| Convolutional Encoder and Viterbi Decoder | |
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| Bit Interleaver and De-interleaver | |
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| Constellation Mapper | |
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| OFDM Modulation | |
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| MAC Layer Design | |
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| Network Topology | |
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| Frame Architecture | |
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| Network Operations | |
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| Chapter Summary | |
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| MIMO Multiband OFDM | |
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| MIMO-OFDM Communications | |
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| MIMO Multiband OFDM System Model | |
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| Transmitter Description | |
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| Channel Model | |
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| Receiver Processing | |
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| Performance Analysis | |
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| Independent Fading | |
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| Correlated Fading | |
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| Simulation Results | |
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| Chapter Summary | |
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| Performance Characterization | |
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| System Model | |
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| Performance Analysis | |
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| Average PEP Analysis | |
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| Approximate PEP Formulation | |
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| Outage Probability | |
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| Analysis for MIMO Multiband OFDM Systems | |
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| MIMO Multiband OFDM System Model | |
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| Pairwise Error Probability | |
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| Example: Repetition STF Coding Based on Alamouti's Structure | |
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| Simulation Results | |
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| Chapter Summary | |
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| Performance Under Practical Considerations | |
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| System Model | |
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| Average Signal-to-Noise Ratio | |
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| Expressions of Fading Term, ICI, and ISI | |
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| Variances of Fading Term, ICI, and ISI | |
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| Average Signal-to-Noise Ratio and Performance Degradation | |
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| Average Bit Error Rate | |
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| Overall Spreading Gain of 1 | |
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| Overall Spreading Gain of 2 | |
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| Overall Spreading Gain of 4 | |
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| Performance Bound | |
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| Numerical and Simulation Results | |
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| Numerical Results | |
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| Simulation and Numerical Results | |
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| Chapter Summary | |
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| Derivations of A[subscript 1], A[subscript 2], B[subscript 1], and B[subscript 2] | |
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| Derivation of A[subscript 1] and A[subscript 2] | |
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| Derivation of B[subscript 1] and B[subscript 2] | |
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| Differential Multiband OFDM | |
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| Differential Modulation | |
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| Single-Antenna Systems | |
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| MIMO Systems | |
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| Differential Scheme for Multiband OFDM Systems | |
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| System Model | |
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| Differential Encoding and Transmitting Signal Structure | |
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| Multiband Differential Decoding | |
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| Pairwise Error Probability | |
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| Simulation Results | |
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| Chapter Summary | |
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| Power-Controlled Channel Allocation | |
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| System Model | |
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| Power-Controlled Channel Allocation Scheme | |
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| Generalized SNR for Various Transmission Modes | |
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| PER and Rate Constraint | |
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| Problem Formulation | |
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| Subband Assignment and Power Allocation Algorithm | |
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| Joint Rate Assignment and Resource Allocation Algorithm | |
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| Simulation Results | |
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| Subband Assignment and Power Allocation | |
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| Joint Rate Assignment and Resource Allocation | |
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| Chapter Summary | |
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| Cooperative UWB Multiband OFDM | |
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| Cooperative Communications | |
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| System Model | |
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| Noncooperative UWB | |
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| Cooperative UWB | |
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| SER Analysis for Cooperative UWB | |
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| Cooperative UWB | |
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| Comparison of Cooperative and Noncooperative UWB | |
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| Optimum Power Allocation for Cooperative UWB | |
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| Power Minimization Using Cooperative Communications | |
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| Coverage Enhancement Using Cooperative Communications | |
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| Improved Cooperative UWB | |
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| Simulation Results | |
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| Chapter Summary | |
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| References | |
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| Index | |