Millimeter-Wave Radio-over-Fiber Links based on Mode-Locked Laser Diodes

Millimeter-Wave Radio-over-Fiber Links based on Mode-Locked Laser Diodes PDF Author: Brendel, Friederike
Publisher: KIT Scientific Publishing
ISBN: 3866449860
Category : Technology & Engineering
Languages : en
Pages : 324

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Book Description
Radio communications in the range of 60 GHz enable multi-Gigabit/s network access in indoor environments. Due to the propagation characteristics of such signals only very short range radio transmission is feasible. In order to distribute these signals across large distances, analog transmission over optical fiber is considered. In this work, mode-locked laser diodes serve as optoelectronic oscillators for the generation of such signals. Their system-relevant properties are studied in detail.

Millimeter-Wave Radio-over-Fiber Links based on Mode-Locked Laser Diodes

Millimeter-Wave Radio-over-Fiber Links based on Mode-Locked Laser Diodes PDF Author: Brendel, Friederike
Publisher: KIT Scientific Publishing
ISBN: 3866449860
Category : Technology & Engineering
Languages : en
Pages : 324

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Book Description
Radio communications in the range of 60 GHz enable multi-Gigabit/s network access in indoor environments. Due to the propagation characteristics of such signals only very short range radio transmission is feasible. In order to distribute these signals across large distances, analog transmission over optical fiber is considered. In this work, mode-locked laser diodes serve as optoelectronic oscillators for the generation of such signals. Their system-relevant properties are studied in detail.

Optical Generation of Mm-wave Signals for Use in Broadband Radio Over Fiber Systems

Optical Generation of Mm-wave Signals for Use in Broadband Radio Over Fiber Systems PDF Author: Ignacio González Insua
Publisher: Jörg Vogt Verlag
ISBN: 3938860405
Category :
Languages : en
Pages : 228

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Book Description


Next Generation Wireless Communications Using Radio over Fiber

Next Generation Wireless Communications Using Radio over Fiber PDF Author: Nathan J. Gomes
Publisher: John Wiley & Sons
ISBN: 1118306007
Category : Technology & Engineering
Languages : en
Pages : 315

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Book Description
Taking a coherent and logical approach, this book describes the potential use of co-ordinated multipoint systems supported by radio over fiber. It covers an impressive breadth of topics, ranging from components, subsystem and system architecture, to network management and business perspectives. The authors show the importance of radio over fiber in eliminating or mitigating against the current, perceived barriers to the use of co-ordinated multipoint, and the drivers for standardisation activities in future mobile/wireless systems over the next few years. The book brings together the system concept for centralized processing, including what is required for co-existence with legacy wireless systems, the algorithms that can be used for improving wireless bandwidth utilization at physical and MAC layers and the radio over fiber network and link design necessary to support the wireless system. Other important research is also covered as the authors look at compensating for radio over fiber impairments and providing simple network management functions. A study of service provision and the business case for such a future wireless system is also fully considered. This book comes at an important time for future wireless systems with standardization of fourth generation wireless systems still ongoing. The content enables readers to make key decisions about future standardisation and their own research work. The business analysis also makes the book useful to those involved in deciding the future directions of telecoms organisations. This information will be core to their decision-making as it provides technical knowledge of the state-of-the-art but also system level assessments of what is possible in a business environment.

Transfer Pricing Audits in China

Transfer Pricing Audits in China PDF Author: J. Li
Publisher: Springer
ISBN: 0230595812
Category : Business & Economics
Languages : en
Pages : 204

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Book Description
This book focuses on the practice of transfer pricing audits which the Chinese government operates in the case of the vast number of foreign enterprises operating in the Chinese economy. It includes the testimony of Chinese officials about their work, material that given the secrecy of Chinese business and culture, is difficult to come by.

Handbook of Radio and Optical Networks Convergence

Handbook of Radio and Optical Networks Convergence PDF Author: Tetsuya Kawanishi
Publisher: Springer Nature
ISBN: 9819722829
Category : Science
Languages : en
Pages : 1711

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Book Description
This handbook provides comprehensive knowledge on device and system technologies for seamlessly integrated networks of various types of transmission media such as optical fibers and millimeter and THz waves to offer super high-speed data link service everywhere. The seamless integration of the knowledge of radio and optical technologies is needed to construct wired and wireless seamless networks. High-frequency bands such as millimeter-wave and THz-wave bands where super wideband spectra are available can offer high-speed data transmission and high-resolution sensing. However, the expected coverage is limited due to large wave propagation loss. Thus, convergence of radio and optical links is indispensable to construct worldwide networks. The radio and optical technologies share the same physics and are closely related to each other but have been developed independently. Therefore, there is a big gap between these two fields. Bridging the two fields, this handbook is also intended as a common platform to design integrated networks consisting of wireless and wired links. Full coverage of wireless and wired convergence fields ranging from basics of device and transmission media to applications allows the reader to efficiently access all the important references in this single handbook. Further, it also showcases state-of-the-art technology and cases of its use.

Soft Computing: Theories and Applications

Soft Computing: Theories and Applications PDF Author: Rajesh Kumar
Publisher: Springer Nature
ISBN: 9811907072
Category : Technology & Engineering
Languages : en
Pages : 976

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Book Description
This book focuses on soft computing and how it can be applied to solve real-world problems arising in various domains, ranging from medicine and healthcare, to supply chain management, image processing, and cryptanalysis. It gathers high-quality papers presented at the International Conference on Soft Computing: Theories and Applications (SoCTA 2021), organized online. The book offers valuable insights into soft computing for teachers and researchers alike; the book will inspire further research in this dynamic field.

Semiconductor Optical Amplifiers and mm-Wave Wireless Links for Converged Access Networks

Semiconductor Optical Amplifiers and mm-Wave Wireless Links for Converged Access Networks PDF Author: Koenig, Swen
Publisher: KIT Scientific Publishing
ISBN: 3731502550
Category : Technology (General)
Languages : en
Pages : 276

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Book Description
Future access networks are converged optical-wireless networks, where fixed-line and wireless services share the same infrastructure. In this book, semiconductor optical amplifiers (SOA) and mm-wave wireless links are investigated, and their use in converged access networks is explored: SOAs compensate losses in the network, and thereby extend the network reach. Millimeter-wave wireless links substitute fiber links when cabling is not economical.

RF Photonic Technology in Optical Fiber Links

RF Photonic Technology in Optical Fiber Links PDF Author: William S. C. Chang
Publisher: Cambridge University Press
ISBN: 1139439685
Category : Science
Languages : en
Pages : 423

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Book Description
In many applications, radio frequency (RF) signals need to be transmitted and processed without being digitalized. Optical fiber provides a transmission medium in which RF modulated optical carriers can be transmitted and distributed with very low loss, making it more efficient and less costly than conventional electronic systems. This volume presents a review of RF photonic components, transmission systems, and signal processing examples in optical fibers from leading academic, government, and industry scientists working in this field. It also introduces the reader to various related technologies such as direct modulation of laser sources, external modulation techniques, and detectors. The text is aimed at engineers and scientists engaged in the research and development of optical fibers and analog RF applications. With an emphasis on design, performance and practical application, this book will be of particular interest to those developing systems based on this technology.

Micro-Electronics and Telecommunication Engineering

Micro-Electronics and Telecommunication Engineering PDF Author: Devendra Kumar Sharma
Publisher: Springer Nature
ISBN: 9811523290
Category : Technology & Engineering
Languages : en
Pages : 735

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Book Description
This book presents selected papers from the 3rd International Conference on Micro-Electronics and Telecommunication Engineering, held at SRM Institute of Science and Technology, Ghaziabad, India, on 30-31 August 2019. It covers a wide variety of topics in micro-electronics and telecommunication engineering, including micro-electronic engineering, computational remote sensing, computer science and intelligent systems, signal and image processing, and information and communication technology.

Optical Soliton Communication Using Ultra-Short Pulses

Optical Soliton Communication Using Ultra-Short Pulses PDF Author: Iraj Sadegh Amiri
Publisher: Springer
ISBN: 9812875581
Category : Technology & Engineering
Languages : en
Pages : 58

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Book Description
This brief analyzes the characteristics of a microring resonator (MRR) to perform communication using ultra-short soliton pulses. The raising of nonlinear refractive indices, coupling coefficients and radius of the single microring resonator leads to decrease in input power and round trips wherein the bifurcation occurs. As a result, bifurcation or chaos behaviors are seen at lower input power of 44 W, where the nonlinear refractive index is n2=3.2×10−20 m2/W. Using a decimal convertor system, these ultra-short signals can be converted into quantum information. Results show that multi solitons with FWHM and FSR of 10 pm and 600 pm can be generated respectively. The multi optical soliton with FWHM and FSR of 325 pm and 880 nm can be incorporated with a time division multiple access (TDMA) system wherein the transportation of quantum information is performed.