Ifiok Otung is a chartered engineer and professor of satellite communications at the University of South Wales (USW), UK. He earned a PhD in Satellite Communications from the University of Surrey, UK in 1995. His areas of expertise include mobile and satellite communication systems and radio wave propagation. He has supervised many PhDs and contributed to numerous publications in technical journals and international conference proceedings. Professor Otung is also the author of several major textbooks including Communication Engineering Principles (Wiley, 2020) and Digital Communications Principles and Systems (IET, 2014). He is a member of the IET and AIAA.Thomas Butash is the founder (2011) and principal of Innovative Aerospace Information Systems (IS), a company providing consulting services on state-of-the-art aerospace IS with a focus on communications satellite systems design. Previously, Dr. Butash was a technical director and engineering fellow at BAE Systems (formerly Lockheed Martin, Loral and IBM) Space Systems & Electronics, with more than 30 years' experience in communications satellite systems development. Dr. Butash is an AIAA Fellow.Tetsushi Ikegami is a professor of telecommunication in the Department of Electronics and Bioinformatics, Meiji University, Kawasaki, Japan. Before his professorship, he led ETS-V, ETS-VI, COMETS Mobile and Ka and mm-waveband satellite experimental teams at the Kashima Space Research Center of the Communications Research Laboratory (CRL, now NICT). He has served as Technical Program and General Chairs of several international conferences, including IWUWBS2005, ISCIT2012, ISSSTA2012, ISMICT2013, ISMICT2020, etc. He is an IEICE fellow and a member of IEEE.

• Introduction: Communications satellite systems: retrospect and prospectSection 1: Broadband satellite communication architectures and applicationsChapter 1: The results of WINDS experiments of NICTChapter 2: Report of 3.2 Gbps transmission experiment result using WINDS satelliteChapter 3: Disaster countermeasure experiments using WINDS and the response of 2016 Kumamoto earthquakesChapter 4: Satellite integrated communication system for marine robots operationsChapter 5: Evolution of Ka-band on-the-move terminals for land and maritime broadband communications Section 2: Integrated applications and architectures for vessels and IoTChapter 6: Mega-constellations as enabler of autonomous shippingChapter 7: On decoding strategies for satellite uplink asynchronous random access channelsChapter 8: Software-defined radio implementation of UHF RFID tags in 5G Internet of things applicationChapter 9: Energy-efficient user terminals for Internet of things applications over satellite Section 3: DTN and HTS technologiesChapter 10: Rising above the cloud: toward high-rate delay-tolerant networking in low earth orbitChapter 11: Integration of high-performance V-band GAN MMIC HPA for the QVlift projectChapter 12: Performance study of frequency flexibility in high throughput satellites and its contribution to operations strategy Section 4: New satellite system architectures and componentsChapter 13: Satellite experiments on direct spectrum division transmission over multiple transpondersChapter 14: User terminal wideband modem for very high throughput satellitesChapter 15: Licensed shared access testbed for integrated satellite-terrestrial communications: the ASCENT projectChapter 16: Cognitive communications for NASA space systemsChapter 17: Supporting NASA Artemis 1 mission with JAXA Uchinoura station Section 5: High-speed optical communications and feeder links 1Chapter 18: Implementation of the method for estimating propagation direction of laser beam transmitted from ground to satelliteChapter 19: Studies on site diversity to mitigate cloud blockage in satellite-ground optical communications based on long-term ground meteorological observation dataChapter 20: Overview of optical ground systems developments for network switching controls to avoid cloud blockage in space optical direct communicationsChapter 21: Demonstration of high-speed pixelated acquisition and tracking system for optical intersatellite linksChapter 22: An experimental study of RF optical transformation function Section 6: Advanced digital payloads and componentsChapter 23: Beam-hopping system configuration and terminal synchronization schemesChapter 24: Adaptive coding and modulation (ACM) and power control scheme for return link of DVB-RCS2 satellite systemChapter 25: A study of frequency utilization efficiency of OFDMA adaptive coding and modulation on Ka-band satellite communications systemChapter 26: Antenna pattern evaluation formed by reconfigurable antennas with the configuration of an array-fed reflectorChapter 27: Gallium nitride MMIC power amplifier for use in Ka-band HTS applications Section 7: High-speed optical communications and feeder links 2Chapter 28: Technological trends and future prospects of satellite communications for mega-constellations with small satellitesChapter 29: Commercial communications satellites in the post-2020 eraChapter 30: 5G and beyond for new space: vision and research challengesChapter 31: Direction of Satcom R&D in Japan: WINDS, ETS-IX, and beyond Section 8: Satellite antenna technologiesChapter 32: Development of highly maintainable and reliable RF transceiver for satellite base stationsChapter 33: Fan-fold Ka-band large reflector and its applicationsChapter 34: The reduction of measurement point for self-calibration method of systematic errors for DBF antenna using gating processChapter 35: Calibration method for array antenna considering mutual coupling in mobile satellite communications Section 9: Propagation and modeling for satellite communicationsChapter 36: Analysis of the impact of turbulence on adaptive optics ground station performanceChapter 37: A 40-year cloud climatological study for Australia implications for siting of laser communication infrastructureChapter 38: Experimental results of seasonal vegetation changes on data transmission for Ka-band mobile satellite communicationChapter 39: Experimental study of external interference for LEO-based automatic identification system (AIS) Section 10: Future technologies for 5G and beyondChapter 40: Advanced demonstration plans of high-speed laser communication "HICALI" mission onboard the engineering test satellite 9Chapter 41: Optical communication experiment with microsatellite body-pointing using VSOTA on RISESATChapter 42: Research and development of an optical ground station supporting both GEO- and LEO-to-ground linksChapter 43: Optical observations of nonoperational satellites in graveyard orbits Section 11: Flexible HTS systems and advanced digital payloadsChapter 44: Development of Ka-band digital beam forming antenna payload for the engineering test satellite-9Chapter 45: The initialstudy of calibrating receiving digital beam forming in engineering test satellite-9Chapter 46: Beam pattern optimization based on up/downlink information for multibeam satellite communication systems Section 12: Satellite networks design challenges and applicationsChapter 47: Channel state modeling and performance evaluation of DVB-S2X based broadband land mobile satellite communication systemsChapter 48: Impact of antenna and propagation models on coexistence of 5G and fixed satellite servicesChapter 49: Integrated space-enabled hybrid 5G-V2X communications link modelingChapter 50: K/Ka-band transceiver sensitivity modeling and link characterization for integrated 5G-LEO communication applicationsChapter 51: Link budget design for integrated 5G-LEO communication applications Section 13: New satellite components and transmitter and modem technologiesChapter 52: Secret key agreement for satellite laser communicationsChapter 53: Methods for securing spacecraft tasking and control via an enterprise Ethereum blockchainChapter 54: PAPR reduction and digital predistortion for 5G waveforms in digital satellite payloadsChapter 55: Effects of differential oscillator phase noise in precoding performanceChapter 56: GNSS-assisted acquisition technique for LTE over satellite Section 14: NGSO constellations and 5G integrationChapter 57: Information rate and quality of service guarantees for end-to-end data flows in an NGSO satellite networkChapter 58: A new optimization tool for mega-constellation design and its application to trunking systemsChapter 59: Estimation and compensation of timing drift for NR-based NTN systemChapter 60: Spectrum sharing schemes in integrated satellite-terrestrial networkChapter 61: Hybrid analog-digital precoding design for satellite systems Section 15: NGSO and GEO system issues and interference mitigation techniquesChapter 62: Carrier phase recovery for DVB-S2x standard in VL SNR channelChapter 63: Spectrum prediction and interference detection for satellite communicationsChapter 64: Channel capacity analysis of satellite MIMO system depending on the orbital altitudeChapter 65: Effects of channel phase in multibeam multicast satellite precoding systemsChapter 66: Hardware precoding demonstration in multibeam UHTS communications under realistic payload characteristics

Ifiok Otung is a chartered engineer and professor of satellite communications at the University of South Wales (USW), UK. He earned a PhD in Satellite Communications from the University of Surrey, UK in 1995. His areas of expertise include mobile and satellite communication systems and radio wave propagation. He has supervised many PhDs and contributed to numerous publications in technical journals and international conference proceedings. Professor Otung is also the author of several major textbooks including Communication Engineering Principles (Wiley, 2020) and Digital Communications Principles and Systems (IET, 2014). He is a member of the IET and AIAA.Thomas Butash is the founder (2011) and principal of Innovative Aerospace Information Systems (IS), a company providing consulting services on state-of-the-art aerospace IS with a focus on communications satellite systems design. Previously, Dr. Butash was a technical director and engineering fellow at BAE Systems (formerly Lockheed Martin, Loral and IBM) Space Systems & Electronics, with more than 30 years' experience in communications satellite systems development. Dr. Butash is an AIAA Fellow.Tetsushi Ikegami is a professor of telecommunication in the Department of Electronics and Bioinformatics, Meiji University, Kawasaki, Japan. Before his professorship, he led ETS-V, ETS-VI, COMETS Mobile and Ka and mm-waveband satellite experimental teams at the Kashima Space Research Center of the Communications Research Laboratory (CRL, now NICT). He has served as Technical Program and General Chairs of several international conferences, including IWUWBS2005, ISCIT2012, ISSSTA2012, ISMICT2013, ISMICT2020, etc. He is an IEICE fellow and a member of IEEE.

• Introduction: Communications satellite systems: retrospect and prospectSection 1: Broadband satellite communication architectures and applicationsChapter 1: The results of WINDS experiments of NICTChapter 2: Report of 3.2 Gbps transmission experiment result using WINDS satelliteChapter 3: Disaster countermeasure experiments using WINDS and the response of 2016 Kumamoto earthquakesChapter 4: Satellite integrated communication system for marine robots operationsChapter 5: Evolution of Ka-band on-the-move terminals for land and maritime broadband communications Section 2: Integrated applications and architectures for vessels and IoTChapter 6: Mega-constellations as enabler of autonomous shippingChapter 7: On decoding strategies for satellite uplink asynchronous random access channelsChapter 8: Software-defined radio implementation of UHF RFID tags in 5G Internet of things applicationChapter 9: Energy-efficient user terminals for Internet of things applications over satellite Section 3: DTN and HTS technologiesChapter 10: Rising above the cloud: toward high-rate delay-tolerant networking in low earth orbitChapter 11: Integration of high-performance V-band GAN MMIC HPA for the QVlift projectChapter 12: Performance study of frequency flexibility in high throughput satellites and its contribution to operations strategy Section 4: New satellite system architectures and componentsChapter 13: Satellite experiments on direct spectrum division transmission over multiple transpondersChapter 14: User terminal wideband modem for very high throughput satellitesChapter 15: Licensed shared access testbed for integrated satellite-terrestrial communications: the ASCENT projectChapter 16: Cognitive communications for NASA space systemsChapter 17: Supporting NASA Artemis 1 mission with JAXA Uchinoura station Section 5: High-speed optical communications and feeder links 1Chapter 18: Implementation of the method for estimating propagation direction of laser beam transmitted from ground to satelliteChapter 19: Studies on site diversity to mitigate cloud blockage in satellite-ground optical communications based on long-term ground meteorological observation dataChapter 20: Overview of optical ground systems developments for network switching controls to avoid cloud blockage in space optical direct communicationsChapter 21: Demonstration of high-speed pixelated acquisition and tracking system for optical intersatellite linksChapter 22: An experimental study of RF optical transformation function Section 6: Advanced digital payloads and componentsChapter 23: Beam-hopping system configuration and terminal synchronization schemesChapter 24: Adaptive coding and modulation (ACM) and power control scheme for return link of DVB-RCS2 satellite systemChapter 25: A study of frequency utilization efficiency of OFDMA adaptive coding and modulation on Ka-band satellite communications systemChapter 26: Antenna pattern evaluation formed by reconfigurable antennas with the configuration of an array-fed reflectorChapter 27: Gallium nitride MMIC power amplifier for use in Ka-band HTS applications Section 7: High-speed optical communications and feeder links 2Chapter 28: Technological trends and future prospects of satellite communications for mega-constellations with small satellitesChapter 29: Commercial communications satellites in the post-2020 eraChapter 30: 5G and beyond for new space: vision and research challengesChapter 31: Direction of Satcom R&D in Japan: WINDS, ETS-IX, and beyond Section 8: Satellite antenna technologiesChapter 32: Development of highly maintainable and reliable RF transceiver for satellite base stationsChapter 33: Fan-fold Ka-band large reflector and its applicationsChapter 34: The reduction of measurement point for self-calibration method of systematic errors for DBF antenna using gating processChapter 35: Calibration method for array antenna considering mutual coupling in mobile satellite communications Section 9: Propagation and modeling for satellite communicationsChapter 36: Analysis of the impact of turbulence on adaptive optics ground station performanceChapter 37: A 40-year cloud climatological study for Australia implications for siting of laser communication infrastructureChapter 38: Experimental results of seasonal vegetation changes on data transmission for Ka-band mobile satellite communicationChapter 39: Experimental study of external interference for LEO-based automatic identification system (AIS) Section 10: Future technologies for 5G and beyondChapter 40: Advanced demonstration plans of high-speed laser communication "HICALI" mission onboard the engineering test satellite 9Chapter 41: Optical communication experiment with microsatellite body-pointing using VSOTA on RISESATChapter 42: Research and development of an optical ground station supporting both GEO- and LEO-to-ground linksChapter 43: Optical observations of nonoperational satellites in graveyard orbits Section 11: Flexible HTS systems and advanced digital payloadsChapter 44: Development of Ka-band digital beam forming antenna payload for the engineering test satellite-9Chapter 45: The initialstudy of calibrating receiving digital beam forming in engineering test satellite-9Chapter 46: Beam pattern optimization based on up/downlink information for multibeam satellite communication systems Section 12: Satellite networks design challenges and applicationsChapter 47: Channel state modeling and performance evaluation of DVB-S2X based broadband land mobile satellite communication systemsChapter 48: Impact of antenna and propagation models on coexistence of 5G and fixed satellite servicesChapter 49: Integrated space-enabled hybrid 5G-V2X communications link modelingChapter 50: K/Ka-band transceiver sensitivity modeling and link characterization for integrated 5G-LEO communication applicationsChapter 51: Link budget design for integrated 5G-LEO communication applications Section 13: New satellite components and transmitter and modem technologiesChapter 52: Secret key agreement for satellite laser communicationsChapter 53: Methods for securing spacecraft tasking and control via an enterprise Ethereum blockchainChapter 54: PAPR reduction and digital predistortion for 5G waveforms in digital satellite payloadsChapter 55: Effects of differential oscillator phase noise in precoding performanceChapter 56: GNSS-assisted acquisition technique for LTE over satellite Section 14: NGSO constellations and 5G integrationChapter 57: Information rate and quality of service guarantees for end-to-end data flows in an NGSO satellite networkChapter 58: A new optimization tool for mega-constellation design and its application to trunking systemsChapter 59: Estimation and compensation of timing drift for NR-based NTN systemChapter 60: Spectrum sharing schemes in integrated satellite-terrestrial networkChapter 61: Hybrid analog-digital precoding design for satellite systems Section 15: NGSO and GEO system issues and interference mitigation techniquesChapter 62: Carrier phase recovery for DVB-S2x standard in VL SNR channelChapter 63: Spectrum prediction and interference detection for satellite communicationsChapter 64: Channel capacity analysis of satellite MIMO system depending on the orbital altitudeChapter 65: Effects of channel phase in multibeam multicast satellite precoding systemsChapter 66: Hardware precoding demonstration in multibeam UHTS communications under realistic payload characteristics

Ifiok Otung is a chartered engineer and professor of satellite communications at the University of South Wales (USW), UK. He earned a PhD in Satellite Communications from the University of Surrey, UK in 1995. His areas of expertise include mobile and satellite communication systems and radio wave propagation. He has supervised many PhDs and contributed to numerous publications in technical journals and international conference proceedings. Professor Otung is also the author of several major textbooks including Communication Engineering Principles (Wiley, 2020) and Digital Communications Principles and Systems (IET, 2014). He is a member of the IET and AIAA.Thomas Butash is the founder (2011) and principal of Innovative Aerospace Information Systems (IS), a company providing consulting services on state-of-the-art aerospace IS with a focus on communications satellite systems design. Previously, Dr. Butash was a technical director and engineering fellow at BAE Systems (formerly Lockheed Martin, Loral and IBM) Space Systems & Electronics, with more than 30 years' experience in communications satellite systems development. Dr. Butash is an AIAA Fellow.Tetsushi Ikegami is a professor of telecommunication in the Department of Electronics and Bioinformatics, Meiji University, Kawasaki, Japan. Before his professorship, he led ETS-V, ETS-VI, COMETS Mobile and Ka and mm-waveband satellite experimental teams at the Kashima Space Research Center of the Communications Research Laboratory (CRL, now NICT). He has served as Technical Program and General Chairs of several international conferences, including IWUWBS2005, ISCIT2012, ISSSTA2012, ISMICT2013, ISMICT2020, etc. He is an IEICE fellow and a member of IEEE.

• Introduction: Communications satellite systems: retrospect and prospectSection 1: Broadband satellite communication architectures and applicationsChapter 1: The results of WINDS experiments of NICTChapter 2: Report of 3.2 Gbps transmission experiment result using WINDS satelliteChapter 3: Disaster countermeasure experiments using WINDS and the response of 2016 Kumamoto earthquakesChapter 4: Satellite integrated communication system for marine robots operationsChapter 5: Evolution of Ka-band on-the-move terminals for land and maritime broadband communications Section 2: Integrated applications and architectures for vessels and IoTChapter 6: Mega-constellations as enabler of autonomous shippingChapter 7: On decoding strategies for satellite uplink asynchronous random access channelsChapter 8: Software-defined radio implementation of UHF RFID tags in 5G Internet of things applicationChapter 9: Energy-efficient user terminals for Internet of things applications over satellite Section 3: DTN and HTS technologiesChapter 10: Rising above the cloud: toward high-rate delay-tolerant networking in low earth orbitChapter 11: Integration of high-performance V-band GAN MMIC HPA for the QVlift projectChapter 12: Performance study of frequency flexibility in high throughput satellites and its contribution to operations strategy Section 4: New satellite system architectures and componentsChapter 13: Satellite experiments on direct spectrum division transmission over multiple transpondersChapter 14: User terminal wideband modem for very high throughput satellitesChapter 15: Licensed shared access testbed for integrated satellite-terrestrial communications: the ASCENT projectChapter 16: Cognitive communications for NASA space systemsChapter 17: Supporting NASA Artemis 1 mission with JAXA Uchinoura station Section 5: High-speed optical communications and feeder links 1Chapter 18: Implementation of the method for estimating propagation direction of laser beam transmitted from ground to satelliteChapter 19: Studies on site diversity to mitigate cloud blockage in satellite-ground optical communications based on long-term ground meteorological observation dataChapter 20: Overview of optical ground systems developments for network switching controls to avoid cloud blockage in space optical direct communicationsChapter 21: Demonstration of high-speed pixelated acquisition and tracking system for optical intersatellite linksChapter 22: An experimental study of RF optical transformation function Section 6: Advanced digital payloads and componentsChapter 23: Beam-hopping system configuration and terminal synchronization schemesChapter 24: Adaptive coding and modulation (ACM) and power control scheme for return link of DVB-RCS2 satellite systemChapter 25: A study of frequency utilization efficiency of OFDMA adaptive coding and modulation on Ka-band satellite communications systemChapter 26: Antenna pattern evaluation formed by reconfigurable antennas with the configuration of an array-fed reflectorChapter 27: Gallium nitride MMIC power amplifier for use in Ka-band HTS applications Section 7: High-speed optical communications and feeder links 2Chapter 28: Technological trends and future prospects of satellite communications for mega-constellations with small satellitesChapter 29: Commercial communications satellites in the post-2020 eraChapter 30: 5G and beyond for new space: vision and research challengesChapter 31: Direction of Satcom R&D in Japan: WINDS, ETS-IX, and beyond Section 8: Satellite antenna technologiesChapter 32: Development of highly maintainable and reliable RF transceiver for satellite base stationsChapter 33: Fan-fold Ka-band large reflector and its applicationsChapter 34: The reduction of measurement point for self-calibration method of systematic errors for DBF antenna using gating processChapter 35: Calibration method for array antenna considering mutual coupling in mobile satellite communications Section 9: Propagation and modeling for satellite communicationsChapter 36: Analysis of the impact of turbulence on adaptive optics ground station performanceChapter 37: A 40-year cloud climatological study for Australia implications for siting of laser communication infrastructureChapter 38: Experimental results of seasonal vegetation changes on data transmission for Ka-band mobile satellite communicationChapter 39: Experimental study of external interference for LEO-based automatic identification system (AIS) Section 10: Future technologies for 5G and beyondChapter 40: Advanced demonstration plans of high-speed laser communication "HICALI" mission onboard the engineering test satellite 9Chapter 41: Optical communication experiment with microsatellite body-pointing using VSOTA on RISESATChapter 42: Research and development of an optical ground station supporting both GEO- and LEO-to-ground linksChapter 43: Optical observations of nonoperational satellites in graveyard orbits Section 11: Flexible HTS systems and advanced digital payloadsChapter 44: Development of Ka-band digital beam forming antenna payload for the engineering test satellite-9Chapter 45: The initialstudy of calibrating receiving digital beam forming in engineering test satellite-9Chapter 46: Beam pattern optimization based on up/downlink information for multibeam satellite communication systems Section 12: Satellite networks design challenges and applicationsChapter 47: Channel state modeling and performance evaluation of DVB-S2X based broadband land mobile satellite communication systemsChapter 48: Impact of antenna and propagation models on coexistence of 5G and fixed satellite servicesChapter 49: Integrated space-enabled hybrid 5G-V2X communications link modelingChapter 50: K/Ka-band transceiver sensitivity modeling and link characterization for integrated 5G-LEO communication applicationsChapter 51: Link budget design for integrated 5G-LEO communication applications Section 13: New satellite components and transmitter and modem technologiesChapter 52: Secret key agreement for satellite laser communicationsChapter 53: Methods for securing spacecraft tasking and control via an enterprise Ethereum blockchainChapter 54: PAPR reduction and digital predistortion for 5G waveforms in digital satellite payloadsChapter 55: Effects of differential oscillator phase noise in precoding performanceChapter 56: GNSS-assisted acquisition technique for LTE over satellite Section 14: NGSO constellations and 5G integrationChapter 57: Information rate and quality of service guarantees for end-to-end data flows in an NGSO satellite networkChapter 58: A new optimization tool for mega-constellation design and its application to trunking systemsChapter 59: Estimation and compensation of timing drift for NR-based NTN systemChapter 60: Spectrum sharing schemes in integrated satellite-terrestrial networkChapter 61: Hybrid analog-digital precoding design for satellite systems Section 15: NGSO and GEO system issues and interference mitigation techniquesChapter 62: Carrier phase recovery for DVB-S2x standard in VL SNR channelChapter 63: Spectrum prediction and interference detection for satellite communicationsChapter 64: Channel capacity analysis of satellite MIMO system depending on the orbital altitudeChapter 65: Effects of channel phase in multibeam multicast satellite precoding systemsChapter 66: Hardware precoding demonstration in multibeam UHTS communications under realistic payload characteristics