Relaying techniques, in which a source node communicates to a destination node with the help of a relay, have been proposed as a cost-effective SOLUTION to address the increasing demand for high data rates and reliable services over the air. As such, it is crucial to design relay systems that are able to not only provide high spectral efficiency, but also fully exploit the diversity of the relay channel.
标签： Amplify-and-Forward Relaying
上传时间： 2020-05-26
上传用户：shancjb
Regardless of the branch of science or engineering, theoreticians have always been enamored with the notion of expressing their results in the form of closed-form expressions. Quite often, the elegance of the closed-form SOLUTION is overshadowed by the complexity of its form and the difficulty in evaluating it numerically. In such instances, one becomes motivated to search instead for a SOLUTION that is simple in form and simple to evaluate.
标签： Communication Channels Digital Fading over 1st
上传时间： 2020-05-27
上传用户：shancjb
Regardless of the branch of science or engineering, theoreticians have always been enamored with the notion of expressing their results in the form of closed-form expressions. Quite often the elegance of the closed-form SOLUTION is overshadowed by the complexity of its form and the difficulty in evaluating it numerically. In such instances, one becomes motivated to search instead for a SOLUTION that is simple in form and likewise simple to evaluate.
标签： Communication Channels Digital Fading over 2nd
上传时间： 2020-05-27
上传用户：shancjb
Thisbookfocusesontheemergingresearchtopic‘green(energy-efficient)wirelessnetworks’ that has drawn huge attention recently from both academia and industry. This topic is highly motivated due to important environmental, financial and quality-of-experience (QoE) consid- erations.Duetosuchconcerns,variousSOLUTIONshavebeenproposedtoenableefficientenergy usage in wireless networks, and these approaches are referred to as green wireless communi- cations and networking. The term ‘green’ emphasizes the environmental dimension of the proposed SOLUTIONs. Hence, it is not sufficient to present a cost-effective SOLUTION unless it is eco-friendly.
标签： Green_Heterogeneous_Wireless_Netw orks
上传时间： 2020-05-27
上传用户：shancjb
The roots of this book were planted about a decade ago. At that time, I became increasingly convinced that wide-area and metropolitan-area networks, where much of my group’s research has been centered at that time, were in good shape. Although research in these fields was (and still is) needed, that’s not where the networking bottleneck seemed to be. Rather, the bottleneck was (and still is in many places) in the access networks, which choked users’ access to information and services. It was clear to me that the long-term SOLUTION to that problem has to involve optical fiber access networks.
上传时间： 2020-05-31
上传用户：shancjb
Cognitive radios have become a vital SOLUTION that allows sharing of the scarce frequency spectrum available for wireless systems. It has been demonstrated that it can be used for future wireless systems as well as integrated into 4G/5G wireless systems. Although there is a great amount of literature in the design of cognitive radios from a system and networking point of view, there has been very limited available literature detailing the circuit implementation of such systems. Our textbook, Radio Frequency Integrated Circuit Design for Cognitive Radios, is the first book to fill a disconnect in the literature between Cognitive Radio systems and a detailed account of the circuit implementation and architectures required to implement such systems. In addition, this book describes several novel concepts that advance state-of-the-art cognitive radio systems.
标签： Cognitive Systems Design Radio RFIC for
上传时间： 2020-06-01
上传用户：shancjb
Today wireless is becoming the leader in communication choices among users. It is not anymore a backup SOLUTION for nomadic travellers but really a newmoodnaturallyusedeverywhereevenwhenthewiredcommunicationsare possible. Many technologies evolve then continuously, changing the telecom- munication world. We talk about wireless local area networks (WLANs), wire- less personal area networks (WPANs), wireless metropolitan area networks (WMANs), wireless wide area networks (WWANs), mobile ad hoc networks (MANETs), wireless sensor networks (WSNs) and mesh networks. Since we can find today a multitude of wireless technologies we decided to group a numberofcomplementarytechnologiesintoonedocumenttomakeiteasierfor areadertounderstandsomeofthetechnicaldetailsofeachmedia.
标签： TM Bluetooth Zigbee Wi-Fi WiMax and
上传时间： 2020-06-01
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The wide deployment of wireless networks and mobile technologies, along with the significant increase in the number of mobile device users, have created a very strong demand on various wireless-based, mobile-based software application systems and enabling technologies. This not only provides many new business opportunities and challenges to wireless and networking service providers, mobile technology ven- dors, and software industry and SOLUTION integrators, butalso changes and enhances people’s lives in many areas, including communications, information sharing and exchange, commerce, home environment, education, and entertainment. Business organizations and government agencies face new pressure fortechnology updatesto upgrade their networking infrastructures with wireless connectivity to enhance enterprise-oriented systems and SOLUTIONs.
标签： Wireless-Based Software Systems
上传时间： 2020-06-01
上传用户：shancjb
The challenges associated with the design and implementation of Electro- static Discharge (ESD) protection circuits become increasingly complex as technology is scaled well into nano-metric regime. One must understand the behavior of semiconductor devices under very high current densities, high temperature transients in order to surmount the nano-meter ESD challenge. As a consequence, the quest for suitable ESD SOLUTION in a given technology must start from the device level. Traditional approaches of ESD design may not be adequate as the ESD damages occur at successively lower voltages in nano-metric dimensions.
标签： Protection Circuit Device Design ESD and
上传时间： 2020-06-05
上传用户：shancjb
If one examines the current literature on GPS receiver design, most of it is quite a bit above the level of the novice. It is taken for granted that the reader is already at a fairly high level of understanding and proceeds from there. This text will be an attempt to take the reader through the concepts and circuits needed to be able to understand how a GPS receiver works from the antenna to the SOLUTION of user position.
标签： Fundamentals_of_Global_Positionin g_System
上传时间： 2020-06-09
上传用户：shancjb
