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| Preface | |
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| Acknowledgments | |
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| Antijam Communications and Electronic Countermeasures | |
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| Antijam Communications | |
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| Networks | |
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| Spread Spectrum Technology | |
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| Low Probability of Detection | |
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| Low Probability of Intercept | |
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| Low Probability of Exploitation | |
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| AntiJam | |
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| AJ Signal Types | |
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| Direct Sequence Spread Spectrum | |
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| Frequency Hopping Spread Spectrum | |
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| Time Hopping | |
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| Hybrids | |
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| Synchronization | |
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| Frequency Range Effects | |
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| Concluding Remarks | |
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| References | |
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| Radio Signal Propagation | |
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| Propagation of Signals in the VHF and Above Range | |
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| Noise | |
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| Free Space Propagation | |
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| Propagation Close to the Earth | |
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| Smooth Earth | |
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| Effective Antenna Height | |
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| Surface Roughness | |
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| Diffraction Loss | |
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| Propagation Into and Out of Buildings | |
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| Terrain Irregularity | |
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| Attenuation Due to Woodlands | |
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| Multipath Reception | |
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| Doppler Shift | |
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| Indoor Propagation | |
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| Oxygen Absorption at 60 GHz | |
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| Propagation Models | |
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| Propagation of Signals in the HF Range | |
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| Noise | |
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| Ground Wave | |
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| Sky Wave | |
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| Concluding Remarks | |
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| References | |
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| Signaling for Antijam Communications | |
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| Communication System Model | |
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| Signaling Performance in Interference and Noise | |
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| Modulations | |
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| Binary Signal Reception | |
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| Frequency Shift Key Performance | |
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| Phase Shift Key Performance | |
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| Chaotic Shift Key | |
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| Error Control | |
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| Coding Techniques | |
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| Block Coding | |
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| Convolutional Coding | |
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| Bit Interleaving | |
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| Side Information | |
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| Jammer State Information | |
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| Channel State Information | |
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| Processing Gain | |
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| Direct Sequence Spread Spectrum | |
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| DSSS Processing Gain | |
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| Frequency Hopping Spread Spectrum | |
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| Fast Frequency Hopping | |
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| Slow Frequency Hopping | |
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| DS and FH Hybrid Spread Spectrum | |
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| Ultrawideband Communications | |
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| Concluding Remarks | |
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| References | |
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| Linear Feedback Shift Registers and Linear Recursive Sequences | |
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| Galois Fields | |
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| Polynomials | |
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| Shift Registers | |
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| Maximal Sequences | |
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| Correlation Functions | |
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| Properties of m-Sequences | |
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| Product Codes | |
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| Gold Codes | |
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| Kasami Codes | |
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| LFRS Design | |
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| Synthesis of m-Sequence LFRSs | |
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| Other Ways to Generate m-Sequences | |
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| Applications | |
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| FHSS | |
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| DSSS | |
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| Concluding Remarks | |
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| References | |
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| Synchronization and Tracking in Spread Spectrum Systems | |
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| DSSS Synchronization and Tracking | |
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| DSSS Synchronization | |
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| DSSS Tracking | |
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| FHSS Synchronization and Tracking | |
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| FHSS Synchronization | |
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| FHSS Tracking | |
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| Concluding Remarks | |
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| References | |
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| Jamming Techniques | |
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| Jamming Strategies | |
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| Partial Dwell Jamming of FH Systems | |
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| Noise Jamming | |
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| Tone Jamming | |
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| Swept Jamming | |
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| Pulse Jamming | |
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| Follower Jamming | |
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| Smart Jamming | |
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| Asset Sharing | |
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| Look-Through | |
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| Power Sharing | |
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| Time Sharing | |
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| Jamming-Power to Signal-Power Ratios | |
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| R[superscript n] Model JSR | |
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| Ground Reflection Propagation JSR | |
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| Nicholson JSR | |
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| Egli Model JSR | |
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| Jammer Platform Configurations | |
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| Concluding Remarks | |
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| References | |
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| Antijam Signal Detection | |
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| Receivers | |
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| Staring Receivers | |
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| Scanning Receivers | |
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| Detectors | |
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| Matched Filter | |
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| Radiometers | |
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| Filter Bank Combiner | |
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| Direct Sequence | |
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| Signal-Specific Detection | |
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| Nonsignal-Specific Detection | |
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| Frequency Hopping | |
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| FHSS Signal Sorting | |
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| Performance Simulation | |
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| Simulation Description | |
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| Collected Statistics | |
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| Results | |
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| Concluding Remarks | |
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| References | |
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| Jamming Direct Sequence Spread Spectrum Systems | |
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| Spectral Characteristics of DSSS | |
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| BBN Jamming of DSSS Systems | |
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| BPSK and QPSK | |
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| BBN Jamming of Chaotic Systems | |
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| PBN Jamming of DSSS Systems | |
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| Pulse Jamming of DSSS Systems | |
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| Pulsed Jamming of Uncoded DSSS Systems | |
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| Pulsed Jamming of Repeat Coded BPSK DSSS Systems | |
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| Tone Jamming of DSSS Systems | |
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| Single-Tone Jamming | |
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| Multitone Jamming | |
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| Ultrawideband Signals | |
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| BBN Jamming | |
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| Multitone Jamming | |
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| Pulsed Jamming | |
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| Concluding Remarks | |
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| References | |
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| Jamming Fast Frequency Hopping Systems | |
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| Multiple Dwells per Data Bit | |
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| BBN Jamming of FFH Systems | |
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| Follower Jamming of FFH Systems | |
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| Follower/NBN Jamming | |
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| Follower/Tone Jamming | |
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| Summary for Follower Jamming | |
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| PBN Jamming of FFH Systems | |
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| PBN Jamming of Error-Coded Signals | |
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| Narrowband Noise Jammer | |
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| Single-Tone Jamming of FFH Systems | |
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| Multiple Tone Jamming of FFH Systems | |
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| Uncoded FFH MFSK Signals | |
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| Coded FFH MFSK Signals | |
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| Pulsed Jamming of FFH Systems | |
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| Concluding Remarks | |
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| References | |
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| Jamming Slow Frequency Hopping Systems | |
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| BBN Jamming of SFH Systems | |
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| Uncoded | |
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| Coded | |
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| PBN Jamming of SFH Systems | |
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| Uncoded SFH MFSK Systems | |
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| Coded SFH MFSK Systems | |
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| Multitone Jamming of SFH Systems | |
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| Uncoded SFH MFSK Systems | |
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| Coded SFH MFSK Systems | |
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| Follower Jamming of SFH Systems | |
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| Noise Jamming | |
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| Tone Jamming | |
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| Comparison | |
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| Coded MFSK Jamming | |
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| Concluding Remarks | |
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| References | |
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| Jamming Hybrid Spread Spectrum Systems | |
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| Coherent Reception | |
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| Coherent Asynchronous BPSK DS/SFH Systems | |
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| Coherent Asynchronous QPSK DS/SFH Systems | |
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| Coherent Synchronous BPSK DS/SFH Systems | |
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| Coherent Synchronous QPSK DS/SFH Systems | |
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| BBN Jamming Coherent DS/SFH Systems | |
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| PBN Jamming Coherent DS/SFH Systems | |
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| Multitone Jamming Coherent DS/SFH Systems | |
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| NBN Follower Jamming Coherent DS/SFH Systems | |
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| Jamming Coherent DS/SFH Systems Comparisons | |
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| Noncoherent Reception | |
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| Noncoherent Asynchronous DS/SFH Systems | |
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| Noncoherent Synchronous DS/SFH Systems | |
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| BBN Jamming Noncoherent DS/SFH Systems | |
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| PBN Jamming Noncoherent DS/SFH Systems | |
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| Multitone Jamming of Noncoherent DS/FHSS Systems | |
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| Jamming DS/SFH Performance Comparisons | |
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| Concluding Remarks | |
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| References | |
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| Q-Function | |
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| Introduction | |
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| Marcum's Q-Function | |
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| Modified Bessel Function of the First Kind and 0th Order | |
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| Generalized Q-Function | |
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| References | |
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| Simulated Networks | |
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| List of Acronyms | |
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| About the Author | |
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| Index | |