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Showing 101 through 125 of 21,857 results

Network Robustness under Large-Scale Attacks (SpringerBriefs in Computer Science)

by Qing Zhou Long Gao Ruifang Liu Shuguang Cui

Network Robustness under Large-Scale Attacks provides the analysis of network robustness under attacks, with a focus on large-scale correlated physical attacks. The book begins with a thorough overview of the latest research and techniques to analyze the network responses to different types of attacks over various network topologies and connection models. It then introduces a new large-scale physical attack model coined as area attack, under which a new network robustness measure is introduced and applied to study the network responses. With this book, readers will learn the necessary tools to evaluate how a complex network responds to random and possibly correlated attacks.

Advances in Smart Grid Technology: Select Proceedings of PECCON 2019—Volume II (Lecture Notes in Electrical Engineering #688)

by Ning Zhou S. Hemamalini

This book comprises the select proceedings of the International Conference on Power Engineering Computing and Control (PECCON) 2019. This volume covers several important topics such as optimal data selection and error-free data acquiring via artificial intelligence and machine learning techniques, information and communication technologies for monitoring and control of smart grid components, and data security in smart grid network. In addition, it also focuses on economics of renewable electricity generation, policies for distributed generation, smart eco-structures and systems. This book can be useful for beginners, researchers as well as professionals interested in the area of smart grid technology.

Dynamic Sharing of Wireless Spectrum

by Haibo Zhou Quan Yu Xuemin Sherman Shen Shaohua Wu Qinyu Zhang

This book focuses on the current research on the dynamic spectrum sharing for efficient spectrum resource utilization, which covers the overlay spectrum sharing, underlay spectrum sharing and database-assisted spectrum sharing related research issues. Followed by a comprehensive review and in-depth discussion of the current state-of-the-art research literature and industry standardization, this book first presents a novel overlay spectrum sharing framework for dynamic utilization of available cellular frequency bands, formulates the dynamic spectrum sharing problem as a dynamic resource demand-supply matching problem, and accordingly develops a distributed fast spectrum sharing algorithm to solve the resource matching problem. A self-awareness power control approach for multi-hop routing selection is proposed, which can establish an effective and practical routing selection optimization in secondary access networks and minimize the interference to primary users. Finally, this book offers dynamic secondary access scheme for database-assisted spectrum sharing networks, which is targeted to support the prosperous wireless multimedia networking applications by leveraging the TV white spaces of geolocation databases while satisfying QoS guarantees of secondary users. The overlay spectrum sharing, underlay spectrum sharing, and database-assisted white spaces spectrum sharing research results that are presented in this book provide useful insights for the design of next generation wireless access networks. This book motivates a new line of thinking for efficient spectrum resource utilization and performance enhancements of future wireless access applications.

Cooperative Vehicular Communications in the Drive-thru Internet (SpringerBriefs in Electrical and Computer Engineering)

by Haibo Zhou Lin Gui Quan Yu Xuemin (Sherman) Shen

This brief presents a unified analytical framework for the evaluation of drive-thru Internet performance and accordingly proposes an optimal spatial access control management approach. A comprehensive overview and in-depth discussion of the research literature is included. It summarizes the main concepts and methods, and highlights future research directions. The brief also introduces a novel cooperative vehicular communication framework together with a delicate linear cluster formation scheme and low-delay content forwarding approach to provide a flexible and efficient vehicular content distribution in the drive-thru Internet. The presented medium access control and vehicular content distribution related research results in this brief provide useful insights for the design approach of Wi-Fi enabled vehicular communications and it motivates a new line of thinking for the performance enhancements of future vehicular networking. Advanced-level students, researchers and professionals interested in vehicular networks or coordinated network sharing will find Cooperative Vehicular Communications in the Drive-thru Internet a valuable reference.

Multipath TCP for User Cooperation in Wireless Networks (SpringerBriefs in Computer Science)

by Dizhi Zhou Wei Song

This brief presents several enhancement modules to Multipath Transmission Control Protocol (MPTCP) in order to support stable and efficient multipath transmission with user cooperation in the Long Term Evolution (LTE) network. The text explains how these enhancements provide a stable aggregate throughput to the upper-layer applications; guarantee a steady goodput, which is the real application-layer perceived throughput; and ensure that the local traffic of the relays is not adversely affected when the relays are forwarding data for the destination. The performance of the proposed solutions is extensively evaluated using various scenarios. The simulation results demonstrate that the proposed modules can achieve a stable aggregate throughput and significantly improve the goodput by 1.5 times on average. The brief also shows that these extensions can well respect the local traffic of the relays and motivate the relay users to provide the relaying service.

Proceedings of the International Conference on Information Engineering and Applications: Volume 5 (Lecture Notes in Electrical Engineering #220)

by Zhicai Zhong

Information engineering and applications is the field of study concerned with constructing information computing, intelligent systems, mathematical models, numerical solution techniques, and using computers and other electronic devices to analyze and solve natural scientific, social scientific and engineering problems. Information engineering is an important underpinning for techniques used in information and computational science and there are many unresolved problems worth studying. The Proceedings of the 2nd International Conference on Information Engineering and Applications (IEA 2012), which was held in Chongqing, China, from October 26-28, 2012, discusses the most innovative research and developments including technical challenges and social, legal, political, and economic issues. A forum for engineers and scientists in academia, industry, and government, the Proceedings of the 2nd International Conference on Information Engineering and Applications presents ideas, results, works in progress, and experience in all aspects of information engineering and applications.

Proceedings of the International Conference on Information Engineering and Applications: Volume 3 (Lecture Notes in Electrical Engineering #218)

by Zhicai Zhong

Information engineering and applications is the field of study concerned with constructing information computing, intelligent systems, mathematical models, numerical solution techniques, and using computers and other electronic devices to analyze and solve natural scientific, social scientific and engineering problems. Information engineering is an important underpinning for techniques used in information and computational science and there are many unresolved problems worth studying. The Proceedings of the 2nd International Conference on Information Engineering and Applications (IEA 2012), which was held in Chongqing, China, from October 26-28, 2012, discusses the most innovative research and developments including technical challenges and social, legal, political, and economic issues. A forum for engineers and scientists in academia, industry, and government, the Proceedings of the 2nd International Conference on Information Engineering and Applications presents ideas, results, works in progress, and experience in all aspects of information engineering and applications.

Proceedings of the International Conference on Information Engineering and Applications: Volume 2 (Lecture Notes in Electrical Engineering #217)

by Zhicai Zhong

Information engineering and applications is the field of study concerned with constructing information computing, intelligent systems, mathematical models, numerical solution techniques, and using computers and other electronic devices to analyze and solve natural scientific, social scientific and engineering problems. Information engineering is an important underpinning for techniques used in information and computational science and there are many unresolved problems worth studying. The Proceedings of the 2nd International Conference on Information Engineering and Applications (IEA 2012), which was held in Chongqing, China, from October 26-28, 2012, discusses the most innovative research and developments including technical challenges and social, legal, political, and economic issues. A forum for engineers and scientists in academia, industry, and government, the Proceedings of the 2nd International Conference on Information Engineering and Applications presents ideas, results, works in progress, and experience in all aspects of information engineering and applications.

Proceedings of the International Conference on Information Engineering and Applications: Volume 4 (Lecture Notes in Electrical Engineering #219)

by Zhicai Zhong

Information engineering and applications is the field of study concerned with constructing information computing, intelligent systems, mathematical models, numerical solution techniques, and using computers and other electronic devices to analyze and solve natural scientific, social scientific and engineering problems. Information engineering is an important underpinning for techniques used in information and computational science and there are many unresolved problems worth studying. The Proceedings of the 2nd International Conference on Information Engineering and Applications (IEA 2012), which was held in Chongqing, China, from October 26-28, 2012, discusses the most innovative research and developments including technical challenges and social, legal, political, and economic issues. A forum for engineers and scientists in academia, industry, and government, the Proceedings of the 2nd International Conference on Information Engineering and Applications presents ideas, results, works in progress, and experience in all aspects of information engineering and applications.

Proceedings of the International Conference on Information Engineering and Applications: Volume 1 (Lecture Notes in Electrical Engineering #217)

by Zhicai Zhong

Information engineering and applications is the field of study concerned with constructing information computing, intelligent systems, mathematical models, numerical solution techniques, and using computers and other electronic devices to analyze and solve natural scientific, social scientific and engineering problems. Information engineering is an important underpinning for techniques used in information and computational science and there are many unresolved problems worth studying. The Proceedings of the 2nd International Conference on Information Engineering and Applications (IEA 2012), which was held in Chongqing, China, from October 26-28, 2012, discusses the most innovative research and developments including technical challenges and social, legal, political, and economic issues. A forum for engineers and scientists in academia, industry, and government, the Proceedings of the 2nd International Conference on Information Engineering and Applications presents ideas, results, works in progress, and experience in all aspects of information engineering and applications.

Dedicated Mobile Communications for High-speed Railway (Advances in High-speed Rail Technology)

by Zhang-Dui Zhong Bo Ai Gang Zhu Hao Wu Lei Xiong Fang-Gang Wang Lei Lei Jian-Wen Ding Ke Guan Rui-Si He

This book addresses the fundamental theory and key technologies of narrowband and broadband mobile communication systems specifically for railways. It describes novel relaying schemes that meet the different design criteria for railways and discusses the applications of signal classification techniques as well as offline resource scheduling as a way of advancing rail practice. Further, it introduces Novel Long Term Evolution for Railway (LTE-R) network architecture, the Quality of Service (QoS) requirement of LTE-R and its performance evaluation and discusses in detail security technologies for rail-dedicated mobile communication systems. The advanced research findings presented in the book are all based on high-speed railway measurement data, which offer insights into the propagation mechanisms and corresponding modeling theory and approaches in unique railway scenarios.It is a valuable resource for researchers, engineers and graduate students in the fields of rail traffic systems, telecommunication and information systems.

Security and Privacy for Next-Generation Wireless Networks (Wireless Networks)

by Sheng Zhong Hong Zhong Xinyi Huang Panlong Yang Jin Shi Lei Xie Kun Wang

This timely book provides broad coverage of security and privacy issues in the macro and micro perspective. In macroperspective, the system and algorithm fundamentals of next-generation wireless networks are discussed. In micro-perspective, this book focuses on the key secure and privacy techniques in different emerging networks from the interconnection view of human and cyber-physical world. This book includes 7 chapters from prominent international researchers working in this subject area. This book serves as a useful reference for researchers, graduate students, and practitioners seeking solutions to wireless security and privacy related issues Recent advances in wireless communication technologies have enabled the large-scale deployment of next-generation wireless networks, and many other wireless applications are emerging. The next generation of mobile networks continues to transform the way people communicate and access information. As a matter of fact, next-generation emerging networks are exploiting their numerous applications in both military and civil fields. For most applications, it is important to guarantee high security of the deployed network in order to defend against attacks from adversaries, as well as the privacy intrusion. The key target in the development of next-generation wireless networks is to promote the integration of the human, cyber, and physical worlds. Previous work in Cyber Physical Systems (CPS) considered the connection between the cyber world and the physical world. In the recent studies, human involvement brings new channels and initiatives in this interconnection. In this integration process, security and privacy are critical issues to many wireless network applications, and it is a paramount concern for the growth of next-generation wireless networks. This is due to the open nature of wireless communication and the involvement of humans. New opportunities for tackling these security and privacy issues in next-generation wireless networks will be achieved by leveraging the properties of interaction among human, computers and things.

Proceedings of the 2012 International Conference on Cybernetics and Informatics (Lecture Notes in Electrical Engineering #163)

by Shaobo Zhong

Proceedings of the International Conference on Cybernetics and Informatics (ICCI 2012) covers the hybridization in control, computer, information, communications and applications. ICCI 2012 held on September 21-23, 2012, in Chongqing, China, is organized by Chongqing Normal University, Chongqing University, Nanyang Technological University, Shanghai Jiao Tong University, Hunan Institute of Engineering, Beijing University, and sponsored by National Natural Science Foundation of China (NSFC). This two volume publication includes selected papers from the ICCI 2012. Covering the latest research advances in the area of computer, informatics, cybernetics and applications, which mainly includes the computer, information, control, communications technologies and applications.

Robust Control of Time-delay Systems

by Qing-Chang Zhong

Recently, there have been significant developments in robust control of time-delay systems. This volume presents a systematic treatment of robust control for such systems in the frequency domain. The emphasis is on systems with a single input or output delay, although the delay-free part of the plant can be multi-input-multi-output, in which case the delays in different channels should be the same. The author covers the whole range of H-infinity control of time-delay systems: from controller parameterization implementation; from the Nehari problem to the four-block problem; from theoretical developments to practical issues. The major tools used are similarity transformation, the chain-scattering approach and J-spectral factorization. Self-contained, "Robust Control of Time-delay Systems" will interest control theorists and mathematicians working with time-delay systems. Its methodical approach will be of value to graduates studying general robust control theory or its applications in time-delay systems.

Social Media Communication: Trends and Theories

by Bu Zhong

Examines the social media mechanism and how it is transforming communication in an increasingly networked society Social Media Communication: Trends and Theories explores how social media is transforming the way people think and behave. Providing students with an in-depth understanding of the mechanism underlying social media, this comprehensive textbook uses a multidisciplinary approach to examine social media use in a wide range of communication and business contexts. Each chapter is based on original research findings from the author as well as recent work in communication studies, neuroscience, information science, and psychology. Divided into two parts, the text first describes the theoretical foundation of social media use, discussing the impact of social media on information processing, social networking, cognition, interpersonal and group communication, the media industry, and business marketing. The second half of the book focuses on research-based strategies for effectively using social media in communication and business such as the news industry, heath care, and social movements. Offering detailed yet accessible coverage of how digital media technology is changing human communication, this textbook: Helps readers make the best use of social media tools in communication and business practices Introduces more than a dozen theories in the areas of communication, psychology, and sociology to highlight the theoretical frameworks researchers use in social media studies Identifies a variety of trends involving social media usage, including the app economy and patient care Addresses the relation between social media and important contemporary topics such as cultural diversity, privacy, and social change Presents 14 imperative social media topics, each with the power to change the ways you see and use social media Social Media Communication: Trends and Theories is the perfect textbook for undergraduate and graduate courses in communication, business, journalism, business, and information science and technology. It is also an invaluable resource for researchers, educators, journalists, entrepreneurs, and professionals working in media management, advertising, public relations, and business marketing.

Social Media Communication: Trends and Theories

by Bu Zhong

Examines the social media mechanism and how it is transforming communication in an increasingly networked society Social Media Communication: Trends and Theories explores how social media is transforming the way people think and behave. Providing students with an in-depth understanding of the mechanism underlying social media, this comprehensive textbook uses a multidisciplinary approach to examine social media use in a wide range of communication and business contexts. Each chapter is based on original research findings from the author as well as recent work in communication studies, neuroscience, information science, and psychology. Divided into two parts, the text first describes the theoretical foundation of social media use, discussing the impact of social media on information processing, social networking, cognition, interpersonal and group communication, the media industry, and business marketing. The second half of the book focuses on research-based strategies for effectively using social media in communication and business such as the news industry, heath care, and social movements. Offering detailed yet accessible coverage of how digital media technology is changing human communication, this textbook: Helps readers make the best use of social media tools in communication and business practices Introduces more than a dozen theories in the areas of communication, psychology, and sociology to highlight the theoretical frameworks researchers use in social media studies Identifies a variety of trends involving social media usage, including the app economy and patient care Addresses the relation between social media and important contemporary topics such as cultural diversity, privacy, and social change Presents 14 imperative social media topics, each with the power to change the ways you see and use social media Social Media Communication: Trends and Theories is the perfect textbook for undergraduate and graduate courses in communication, business, journalism, business, and information science and technology. It is also an invaluable resource for researchers, educators, journalists, entrepreneurs, and professionals working in media management, advertising, public relations, and business marketing.

From Chinese Brand Culture to Global Brands: Insights from aesthetics, fashion and history

by W. Zhiyan J. Borgerson J. Schroeder

From Chinese Brand Culture to Global Brands examines branding from the Chinese perspective, and predicts that China's greatest brands are poised for global dominance.

Sustainable Wireless Networks (SpringerBriefs in Computer Science)

by Zhongming Zheng Lin X. Cai Xuemin Shen

This brief focuses on network planning and resource allocation by jointly considering cost and energy sustainability in wireless networks with sustainable energy. The characteristics of green energy and investigating existing energy-efficient green approaches for wireless networks with sustainable energy is covered in the first part of this brief. The book then addresses the random availability and capacity of the energy supply. The authors explore how to maximize the energy sustainability of the network and minimize the failure probability that the mesh access points (APs) could deplete their energy and put the network out of service due to the unreliable energy supply. This brief also studies network resource management issues in green wireless networks to minimize cost. It jointly considers the relay node (RN) placement and sub-carrier allocation (RNP-SA) issues in wireless networks with sustainable energy, and then formulates the problem into a mixed integer non-linear programming problem. Concise and informative, this brief is a useful resource for professionals or researchers studying wireless networks, communication networks, and energy efficiency. Advanced-level students interested in energy technology or communications engineering will also find the material valuable.

Tunable Multiband Ferroelectric Devices for Reconfigurable RF-Frontends (Lecture Notes in Electrical Engineering #228)

by Yuliang Zheng

Reconfigurable RF-frontends aim to cope with the continuous pursuit of wider frequency coverage, higher efficiency, further compactness and lower cost of ownership. They are expected to lay the foundations of future software defined or cognitive radios. As a potential enabling technology for the frontends, the tunable ferroelectric devices have shown not only enhanced performance but also new functionalities. This book explores the recent developments in the field. It provides a cross-sectional perspective on the interdisciplinary research. With attention to the devices based on ceramic thick-films and crystal thin-films, the book reviews the adapted technologies of material synthesis, film deposition and multilayer circuitry. Next, it highlights the original classes of thin-film ferroelectric devices, including stratified metal-insulator-metal varactors with suppression of acoustic resonance and programmable bi-stable high frequency capacitors. At the end the book analyzes how the frontends can be reformed by tunable multiband antennas, tunable single- and multiband impedance matching networks and tunable substrate integrated waveguide filters, which are all built on low cost ferroelectric thick-films. For all the above devices, the theoretical analyses, modeling and design methods are elaborated, while through demonstrative prototypes the application potential is evaluated.

Sequential Learning and Decision-Making in Wireless Resource Management (Wireless Networks)

by Rong Zheng Cunqing Hua

This book lays out the theoretical foundation of the so-called multi-armed bandit (MAB) problems and puts it in the context of resource management in wireless networks. Part I of the book presents the formulations, algorithms and performance of three forms of MAB problems, namely, stochastic, Markov and adversarial. Covering all three forms of MAB problems makes this book unique in the field. Part II of the book provides detailed discussions of representative applications of the sequential learning framework in cognitive radio networks, wireless LANs and wireless mesh networks. Both individuals in industry and those in the wireless research community will benefit from this comprehensive and timely treatment of these topics. Advanced-level students studying communications engineering and networks will also find the content valuable and accessible.

EAI International Conference on Technology, Innovation, Entrepreneurship and Education: TIE'2018 (EAI/Springer Innovations in Communication and Computing #532)

by Ping Zheng Vic Callaghan David Crawford Tiina Kymäläinen Angelica Reyes-Munoz

This book presents the proceedings of the 2nd EAI International Conference on Technology, Innovation, Entrepreneurship and Education (TIE' 2018), which took place at Ravensbourne University London, London, UK, on September 4, 2018. The central theme of the conference is emerging technologies in relation to business, education, social and political needs that make modern society flourish. The proceedings feature papers from a cross-disciplinary audience that explore the process of creativity and innovation. The goal is that the various disciplines can learn from each other and see how they might benefit from the cross-fertilization of practices.

Heterogeneous Vehicular Networks (SpringerBriefs in Electrical and Computer Engineering #0)

by Kan Zheng Lin Zhang Wei Xiang Wenbo Wang

This brief examines recent developments in the Heterogeneous Vehicular NETworks (HETVNETs), integrating cellular networks with Dedicated Short-Range Communication (DSRC) for meeting the communications requirements of the Intelligent Transport System (ITS)services. Along with a review of recent literature, a unified framework of the HetVNET is presented. The brief focuses on introducing efficient MAC mechanisms for vehicular communications, including channel access protocols, broadcast/multicast protocols, the location-based channel congestion control scheme and the content-based resource allocation scheme. The cooperative communication between vehicles is discussed. This brief concludes with a discussion on future research directions, and provides the readers with useful insights into the future designs in the HetVNETs, to motivate new ideas for performance improvements in vehicular networks.

Control over Communication Networks: Modeling, Analysis, and Design of Networked Control Systems and Multi-Agent Systems over Imperfect Communication Channels (IEEE Press Series on Control Systems Theory and Applications)

by Jianying Zheng Liang Xu Qinglei Hu Lihua Xie

Control over Communication Networks Advanced and systematic examination of the design and analysis of networked control systems and multi-agent systems Control Over Communication Networks provides a systematic and nearly self-contained description of the analysis and design of networked control systems (NCSs) and multi-agent systems (MASs) over imperfect communication networks, with a primary focus on fading channels and delayed channels. The text characterizes the effect of communication channels on the stability and performance of NCSs, and further studies the joint impact of communication channels and network topology on the consensus of MASs. By integrating communication and control theory, the four highly-qualified authors present fundamental results concerning the stabilization of NCSs over power-constrained fading channels and Gaussian finite-state Markov channels, linear-quadratic optimal control of NCSs with random input gains, optimal state estimation with intermittent observations, consensus of MASs with communication delay and packet dropouts, and synchronization of delayed Vicsek models. Simulation results are given in each chapter to demonstrate the developed analysis and synthesis approaches. The references are comprehensive and up-to-date, enabling further study for readers. Topics covered in Control Over Communication Networks include: Basic foundational knowledge, including control theory, communication theory, and graph theory, to enable readers to understand more complex topics The stabilization, optimal control, and remote state estimation problems of linear systems over channels with fading, signal-to-noise constraints, or intermittent measurements Consensus problems of MASs over fading/delayed channels, with directed and undirected communication graphs Control Over Communication Networks provides a valuable unified platform for understanding the analysis and design of NCSs and MASs for researchers, control engineers working on control systems over communication networks, and mechanical engineers working on unmanned systems. Preliminary knowledge of linear system theory and matrix analysis is required.

Control over Communication Networks: Modeling, Analysis, and Design of Networked Control Systems and Multi-Agent Systems over Imperfect Communication Channels (IEEE Press Series on Control Systems Theory and Applications)

by Jianying Zheng Liang Xu Qinglei Hu Lihua Xie

Control over Communication Networks Advanced and systematic examination of the design and analysis of networked control systems and multi-agent systems Control Over Communication Networks provides a systematic and nearly self-contained description of the analysis and design of networked control systems (NCSs) and multi-agent systems (MASs) over imperfect communication networks, with a primary focus on fading channels and delayed channels. The text characterizes the effect of communication channels on the stability and performance of NCSs, and further studies the joint impact of communication channels and network topology on the consensus of MASs. By integrating communication and control theory, the four highly-qualified authors present fundamental results concerning the stabilization of NCSs over power-constrained fading channels and Gaussian finite-state Markov channels, linear-quadratic optimal control of NCSs with random input gains, optimal state estimation with intermittent observations, consensus of MASs with communication delay and packet dropouts, and synchronization of delayed Vicsek models. Simulation results are given in each chapter to demonstrate the developed analysis and synthesis approaches. The references are comprehensive and up-to-date, enabling further study for readers. Topics covered in Control Over Communication Networks include: Basic foundational knowledge, including control theory, communication theory, and graph theory, to enable readers to understand more complex topics The stabilization, optimal control, and remote state estimation problems of linear systems over channels with fading, signal-to-noise constraints, or intermittent measurements Consensus problems of MASs over fading/delayed channels, with directed and undirected communication graphs Control Over Communication Networks provides a valuable unified platform for understanding the analysis and design of NCSs and MASs for researchers, control engineers working on control systems over communication networks, and mechanical engineers working on unmanned systems. Preliminary knowledge of linear system theory and matrix analysis is required.

Literary Communication in Song Dynasty (ISSN)

by Wang Zhaopeng

Based on first-hand historical materials, this book explores the various aspects of literary communication during the Song Dynasty in China.The book investigates the single-channel dissemination of poetry and ci works, the dissemination of literary collections, the dissemination through wall inscriptions, the oral dissemination of Song ci, the remuneration and commercialization of literature in the Song Dynasty, the paths to fame for Song writers, the non-literary factors in the dissemination of literature and the dissemination of literary works through paintings and songs. The author provides insights into the six major questions in the study of literary communication: Who disseminates, where, how, what, to whom and the effects of dissemination. The author also seeks to provide detailed answers to the following questions. What was the role of female singers in both domestic and official entertainment? What were the costs and prices of the books? Who paid the authors? What methods did writers use to gain fame and social recognition?This work will be essential reading for scholars and students of Chinese studies, communication studies and media and cultural studies.

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