Advances in Communications Satellite Systems : Proceedings of the 36th International Communications Satellite Systems Conference (ICSSC-2018).

Format:

Book

Author/Creator:

Otung, Ifiok.

Contributor:

Butash, Thomas.

Garland, Peter.

Series:

Telecommunications

Language:

English

Subjects (All):

Artificial satellites in telecommunication.

Telecommunication systems.

Genre:

Conference papers and proceedings.

Physical Description:

1 online resource (351 pages)

Edition:

1st ed.

Other Title:

Advances in Communications Satellite Systems - Proceedings of the 36th International Communications Satellite Systems Conference

Advances in Communications Satellite Systems

Advances in Communications Satellite Systems Proceedings of The 36th International Communications Satellite Systems Conference

Place of Publication:

Stevenage : Institution of Engineering & Technology, 2020.

Summary:

This book gathers the contributions from The 36th International Communications Satellite Systems Conference (ICSSC-2018) held in October 2018.

Contents:

Cover

Contents

Preface and Acknowledgements

Author Biographies

Section 1 - Multi-beam Satellite Systems

1. Symbol vs block level precoding in multi-beam satellite systems

Introduction

System Model and Problem Statement

System Model

Beam Pattern Over Europe

Problem Statement

Precoding Techniques

Block-Level Precoding

Symbol Level Precoding

Complexity Comparision

Simulation Results

Conclusions and Further Research

Acknowledgments

References

2. Hardware Demonstration of Precoded Communications in Multi-Beam UHTS

Hardware Demonstrator

Gateway

Channel Emulator

User Terminal

Resource Occupation in FPGAs

Conclusion

3. On the capacity of asynchronous cooperative NOMA in multibeam satellite systems

Channel Model

Proposed Cooperative NOMA

Gaussian Multi-Access Channels with ISI

Two-User Channel with H(w) ... G(w)

Two-User Channel with H(w) = G(w)

Asynchronous Multi-Access Channel: Capacity Region

Asynchronous MAC

Asynchronous NOMA-Single Content Transmission

4. Overlapping clustering for beam-hopping systems

Related research works

Frequency efficiency improvements for HTS

Signalling aspects

Availability and a number of gateways

Beam hopping systems

Efficiency degradation of conventional method

Proposed overlapping clustering method

Performance evaluation

Simulation settings

Evaluation results

5. Adjacent beams resource sharing to serve hot spots: a rate-splitting approach

Hot-spot Scenario

Satellite payload

Non-Coherent Rate-Splitting ( NCRS).

Rate Optimization

Competitive techniques

Partial CSIT

Full CSIT

Numerical Results

Conclusions

Section 2 - Cognitive Communications and Propagation Channel Optimization

6. Time Correlation Used to Improve Time Diversity Gain of Rainfall Prediction

Data Description

Methodology and Results

Improvement of Diversity Gain Formulas

7. Protection of the Mobile Station from the Interference by Maritime Earth Station in Motion in the 28 GHZ Band

Interference Scenario

System Characteristics

Results

8. Rateless codes for satellite systems over rain fading channels

Satellite system with ACM

Proposed scheme

Operational principle

Joint soft-iterative decoding

Simulation results

Simulation model

Performance comparison with simulation results

9. Channel States Information based Spectrum Sensing Algorithm in Satellite Cognitive Communication Networks

System Model And Cognitive Scenario

Cognitive Scenario

Channel States Information Based Spectrum Sensing Algorithm

Algorithm Performance Verification And Discussion

10. Wideband nonlinearities correction in digital payloads channels with parallel architectures

Parallel HW implementation

Methodology

Many-Core DSP Architecture

Software defined Volterra filter design

Conclusions and Future Works

Section 3 - Flexible High Throughput Satellite Systems and Interference Mitigation Techniques

11. Modifications to Multi-beam Systems for DRRM

Current HTS System Architecture.

HTS System for DRRM Communications

Transponder Modification

Sample Digital Analysis Filter Bank Design

12. Adaptive Resources Allocation for Flexible Payload enabling VHTS systems: Methodology and Architecture

Problem Definition

Methodology for Adaptive Resource Allocation

Study Cases

Coverage Optimization

Adaptive Resource Allocation Comparison

Payload Architecture

13. Adaptive Onboard Compensation of Non-Linear HPAsand Imperfect Butler Matrices in Multiport Amplifiers for High Throughput Satellites

Multiport Amplifier Architecture

Conventional linear MPA model

Practical issues with conventional MPAs

Proposed Two-Step Method

PSD Analysis

BER analysis

14. Distributed precoding for multiple satellite systems with overlapping coverage areas

Multibeam satellite systems: beyond state-of-the-art

Multiple satellites systems: benefits and challenges

Motivation

Signal model and problem formulation in MS-COV architecture

Precoding scheme in MS-COV configuration

CSI feedback mechanism

Feed selection method in MS-COV

Simulation Setup

15. Productized Multicarrier Predistortion Total Throughput Gainsaround 20% over Linearized Channels in True Customer Use Cases

Assessed use cases

Satellite parameters

Waveform parameters

Measuring methodology

Measurement setup in the lab

Measurement setup over satellite

Gain measurement

Predistortion gain leverages in a large throughput gain in an unbalanced carrier scenario

Numerical results

Power balanced scenario over satellite.

Power unbalanced scenario over satellite

Lab results

16. A mitigation technique for adjacent channel interference in communication satellites

Section 4 - New Satellite System Architectures and Components

17. Novel RF architectures and technologies for VSAT

Near and Long Term VSAT Architectures

Relevant Passive Technologies

Tunable High-Q Filters

Compact Diplexers

Low loss Phase Shifters

Relevant Active Technologies

GaN HPAs

High-speed ADCs and DACs

LNAs/LNBs

18. A Modular Architecture for Low Cost Phased Array Antenna System for Ka-Band Mobile Satellite Communication

System Model and Antenna Aperture Requirements

Modular Architecture Approach of large Scale Phased Array Antenna

Design and Implementation of APAA Module

Active phased array antenna: Super Module

19. A cots-based software-defined communication system platform and applications in LEO

Hardware

Active phased-array antenna (APA)

Software defined radio (SDR)

Single-board computer (SBC)

Power conditioning unit (PCU)

Applications

Example 1: Regenerative active phased array payload

Example 2: Physical-layer assisted ranging

Summary

20. V-band low-noise amplifier module for high throughput satellite applications

LNA unit design

Key elements of the LNA module

WG-MS Transition

LNA MMIC

Voltage Variable Attenuator (VVA)

MLA MMIC

LNA module test results

Acknowledgement

21. Satellite payload design for cislunar communications

Design requirements.

Coverage area and constellation design

Radio propagation

Spectrum resources

Frequency plan

Reference scenario

Capacity planning

Baseline design

K-band communications payload

UHF-band communications payload

S-band communications payload

Payload Schematic diagram

K-band spot beam antennas

K-band Gateway antenna

K-band antenna control electronics unit (ACU)

UHF-band antenna

S-band antenna

Frequency conversion

Channel multiplexing and filtering

High power amplification

UHF Digital Signal Processor

Signal level analysis

Section 5 - High Speed Optical Communications and Feeder Links

22. Alphasat, Sentinel-1A/B, Sentinel-2A/B, and EDRS Paving theWay for Systematic Optical Data Transfer for Earth Observation Missions

The Laser Communication Terminal (LCT)

The Ka-Band Transmitter

Optical Inter-Satellite Link Execution Concept

Alphasat TDP1, Sentinel-1A . . . and -2A, -1B, and -2B: optical partners in orbit

Alphasat ( ASA) and Sentinels OISL Operations

The European Data Relay Satellite System

Links and System Performance

23. Diversity Architectures for High Data Rate Ground-to-Satellite Optical and EHF Links

Satellite Systems with EHF and Optical Ground Space Links

Use Cases for Ground Space Link Diversity

Unified Network Layer Model for Diversity Switching

Linear Programming-Based Optimization Model

System Design Phase

Operational Phase

Implementation Considerations

24. Research and development approach to realize flexible opticalground network operations for effective data downlink from space to ground

Optical ground network system

Cloud monitoring and determination method.

Optical network planning method.

Notes:

Description based on publisher supplied metadata and other sources.

Part of the metadata in this record was created by AI, based on the text of the resource.

ISBN:

1-83724-794-3

1-5231-3659-6

1-78561-962-4

OCLC:

1249474400