The book you’re holding, physically or electronically, is the result of a very interesting, challenging but also rewarding research project. The research was carried out in different contexts and cooperations but it was centered around the following question: how can we make the RF transmitters of our modern com- munication SYSTEMS (WiFi, GSM, LTE, and so on) more flexible and more efficient at the same time.
標(biāo)簽： Continuous-Time Front-Ends Digital
上傳時(shí)間： 2020-05-27
上傳用戶：shancjb
This chapter introduces concepts on cooperating objects and wireless sensor net- works that will be used in the following chapters. It also introduces the Embedded WiSeNts Coordination Action. Finally, it presents an overview of the book and the relations between the following chapters.
標(biāo)簽： Cooperating Embedded SYSTEMS
上傳時(shí)間： 2020-05-27
上傳用戶：shancjb
It is commonly accepted today that optical fiber communications have revolutionized telecommunications. Indeed, dramatic changes have been induced in the way we interact with our relatives, friends, and colleagues: we retrieve information, we entertain and educate ourselves, we buy and sell, we organize our activities, and so on, in a long list of activities. Optical fiber SYSTEMS initially allowed for a significant curb in the cost of transmission and later on they sparked the process of a major rethinking regarding some, generation-old, telecommunication concepts like the (OSI)-layer definition, the lack of cross-layer dependency, the oversegmentation and overfragmentation of telecommunica- tions networks, and so on.
標(biāo)簽： Networks Metro Core and
上傳時(shí)間： 2020-05-27
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In the preparation of this book, our objective was to provide an advanced understanding of emerging telecommunications SYSTEMS, their significance, and the anticipated role these SYSTEMS will play in the future. With the help of our talented associated editors and contributors, we believe we have accomplished this. By addressing voice, Internet, traffic management, and future trends, we feel our readers will be knowledgeable about current and future telecommunications SYSTEMS.
標(biāo)簽： CRC Handbook of Modern Telecommunications
上傳時(shí)間： 2020-05-27
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At the time of writing, and to an extent never seen before, there is an expectation that almost any information or service that is available through communication SYSTEMS in the office or home will be available wherever the user happens to be. This is placing incredible demands on wireless communications and has been the driver for the gen- esis and deployment of three generations of cellular SYSTEMS in the space of 20 years.
標(biāo)簽： Deploying Wireless Networks
上傳時(shí)間： 2020-05-27
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The bookl tell the analog Analog and Digital Communications and Analog and Digital Communications Laboratory
標(biāo)簽： Communication Digital SYSTEMS
上傳時(shí)間： 2020-05-27
上傳用戶：shancjb
Multiuser multiple-input-multiple-output (MU- MIMO) SYSTEMS are known to be hindered by dimensionality loss due to channel state information (CSI) acquisition overhead. In this paper, we investigate user-scheduling in MU-MIMO SYSTEMS on account of CSI acquisition overhead, where a base station dynamically acquires user channels to avoid choking the system with CSI overhead.
標(biāo)簽： Acquisition Dynamic Channel
上傳時(shí)間： 2020-05-27
上傳用戶：shancjb
Following chapter introduces the mobile communication, gives a short history of wireless communication evolution, and highlights some application scenarios predestined for the use of mobile devices. Cellular and wireless based SYSTEMS related to different generations of mobile communication, including GSM, IS-95, PHS, AMPS, D-AMPS, cdma2000 and WCDMA are also described by this Chapter. Much attention in this chapter is given to express the wireless based networks, such as Wi-Fi and WiBro/WiMax, and wireless broadcasting SYSTEMS, including DMB, DVB-H, and ISDB-T. We conclude the chapter with the future vision of mobile communication evolution
標(biāo)簽： Technologies Enhanced Access Radio
上傳時(shí)間： 2020-05-27
上傳用戶：shancjb
The next-generation wireless broadband technology is changing the way we work, live, learn, and communicate through effective use of state- of-the-art mobile broadband technology. The packet-data-based revolu- tion started around 2000 with the introduction of 1x Evolved Data Only (1xEV-DO) and 1x Evolved Data Voice (1xEV-DV) in 3GPP2 and High Speed Downlink Packet Access (HSDPA) in 3GPP. The wireless broad- band fourth-generation technology (4G) is an evolution of the packet- based 3G system and provides a comprehensive evolution of the Universal Mobile Telecommunications System specifications so as to remain competitive with other broadband SYSTEMS such as 802.16e (WiMAX)
標(biāo)簽： Essentials LTE-A LTE and of
上傳時(shí)間： 2020-05-27
上傳用戶：shancjb
During the past two decades there has been a substantial growth in research in wireless communications. The number of journals published from various parts of the world catering to the research community has grown exponentially. Despite such a growth, the engineering community still needs more information so as to thoroughly comprehend wireless channel characteristics. What specifically must be understood are the effects of channel degradation brought on by statistical fluctua- tions in the channel.
標(biāo)簽： Shadowing Wireless SYSTEMS Fading and in
上傳時(shí)間： 2020-05-27
上傳用戶：shancjb
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