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书籍 The Mobile Multimedia Business

The first practical examples of mobile communications were used in many countries like the USA, the UK and Germany in military services, and played a significant role in the First World War to transfer important information from the front to headquarters to take further actions. Good and secure wire ...
https://www.eeworm.com/dl/522153.html
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书籍 The+Complete+Wireless+Communications+Professional

When thinking about mobile radio engineers there is a tendency to assume that the engineering function relates solely to the technical aspects of the network, such as the equipment design or the network design. That is certainly a key part of the role of a mobile radio engineer. However,increasingly ...
https://www.eeworm.com/dl/522157.html
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书籍 The+Mobile+Radio+Propagation+Channel

Some tine ago it become apparent the the first edition of this book was rapidly approaching its sell-by date,since many aspects needed revise.There were two obvious courses of action : to forget the whole thing and concentrate my energies on other pursuits such as golf or fishing, or to embark on a ...
https://www.eeworm.com/dl/522160.html
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书籍 Time-Varying Channels

Wireless communications has become a field of enormous scientific and economic interest. Recent success stories include 2G and 3G cellular voice and data services (e.g., GSM and UMTS), wireless local area networks (WiFi/IEEE 802.11x), wireless broadband access (WiMAX/IEEE 802.16x), and digital broad ...
https://www.eeworm.com/dl/522165.html
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书籍 Transmission+Systems+Design+Handbooks

Public telephone operators and new independent wireless operators through- out the world are deploying wireless access in an effort to drastically reduce delivery costs in the most expensive part of the network?the local loop. Available radio technology enables both existing and new entrants to acce ...
https://www.eeworm.com/dl/522168.html
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书籍 Ultra Wideband - Circuits

Recent advances in wireless communication technologies have had a transforma- tive impact on society and have directly contributed to several economic and social aspects of daily life. Increasingly, the untethered exchange of information between devices is becoming a prime requirement for further pr ...
https://www.eeworm.com/dl/522174.html
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书籍 UMTS+Network+Planning

The continuing explosive growth in mobile communication is demanding more spectrally efficient radio access technologies than the prevalent second generation (2G) systems such as GSM to handle just the voice traffic. We are already witnessing high levels of mobile penetration exceeding 70% in some c ...
https://www.eeworm.com/dl/522177.html
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技术资料 Understanding_the_Basics_of_MIMO

An acronym for Multiple-In, Multiple-Out, MIMO communication sends the same data as several signals simultaneously through multiple antennas, while still utilizing a single radio channel. This is a form of antenna diversity, which uses multiple antennas to improve signal quality and strength of an R ...
https://www.eeworm.com/dl/522179.html
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书籍 Understanding+Cellular+Radio

As I have increasingly moved away from the world of research and into thatofmanagementandbusiness,ithasbecomeapparenttomethatthere are many people from a nontechnical background who need to under- standcellularsystemsinmoredetailinordertobeabletoperformtheir job,beitanalyzingfinancialinvestments,run ...
https://www.eeworm.com/dl/522180.html
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书籍 Visible Light Communication

Visible light communications (VLC) is the name given to an optical wireless communication system that carries information by modulating light in the visible spectrum (400–700 nm) that is principally used for illumination [1–3]. The communications signal is encoded on top of the illumination light. ...
https://www.eeworm.com/dl/522187.html
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