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If you are involved in the planning, design, testing, installation, maintenance, sales, or frequency management of digital PMR equipment and systems, this first-of-its-kind book is a smart choice. Written by one of the key developers of PMR, this essential reference provides comprehensive coverage of digital PMR systems, including the standards APCO 25, TETRA and DIIS and the proprietary systems ASTRO, EDACS, iDEN, MOBITEX II and TETRAPOL. Offering unique insight from the author's years of experience working with this technology, the book helps you gain a solid understanding of the transition.

Digital communications. --- Mobile communication systems. --- Radiotelephone. --- Wireless telephone (Radiotelephone) --- Radio --- Telephone --- Wireless communication systems --- Vehicles --- Vehicular communication systems --- Communications, Digital --- Digital transmission --- Pulse communication --- Digital electronics --- Pulse techniques (Electronics) --- Telecommunication --- Digital media --- Signal processing --- Communication systems --- Digital techniques

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Cell phone systems --- Electrical Engineering --- Electrical & Computer Engineering --- Engineering & Applied Sciences --- Cellular radio --- Cellular radiotelephone systems --- Cellular systems (Telecommunication) --- Cellular telephone systems --- Mobile telephony --- Wireless telephone systems (Cell phone) --- Mobile communication systems --- Telephone systems

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Marginality does not mean isolation. In Africa where people are permanently on the move in search, inter alia, of a ëbetter elsewhereí, marginality means disconnection to obvious possibilities and the invisibility of the myriad connections that make life possible for the ordinarily sidestepped. This book is about the workings of networks of the mobile in Africa, a continent usually associated with the ëglobal shadowsí of the world. How do changes in the possibilities for communication, with the recent hype of mobile technology, influence the social and economic dynamics in Africaís mobile margins? To what extent is the freedom associated with new Information and Communication Technologies reality or disillusion for people dwelling in the margins? Are ordinary Africans increasingly Side@Ways? How social are these emergent Side@Ways? Contributions to answering these and related questions are harvested from ethnographic insights by team members of the WOTRO funded ëMobile Africa revisitedí research programme hosted by the African Studies Centre, Leiden, The Netherlands.

Telecommunication --- Mobile communication systems --- Cell phone systems --- Vehicles --- Vehicular communication systems --- Radio --- Wireless communication systems --- Cellular radio --- Cellular radiotelephone systems --- Cellular systems (Telecommunication) --- Cellular telephone systems --- Mobile telephony --- Wireless telephone systems (Cell phone) --- Telephone systems --- Communication systems --- Cell phone systems.

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This self-contained introduction shows how stochastic geometry techniques can be used for studying the behaviour of heterogeneous cellular networks (HCNs). The unified treatment of analytic results and approaches, collected for the first time in a single volume, includes the mathematical tools and techniques used to derive them. A single canonical problem formulation encompassing the analytic derivation of Signal to Interference plus Noise Ratio (SINR) distribution in the most widely-used deployment scenarios is presented, together with applications to systems based on the 3GPP-LTE standard, and with implications of these analyses on the design of HCNs. An outline of the different releases of the LTE standard and the features relevant to HCNs is also provided. A valuable reference for industry practitioners looking to improve the speed and efficiency of their network design and optimization workflow, and for graduate students and researchers seeking tractable analytical results for performance metrics in wireless HCNs.

Cell phone systems. --- Internetworking (Telecommunication) --- Inter-networking (Telecommunication) --- Interoperability in computer networks --- Computer networks --- Cellular radio --- Cellular radiotelephone systems --- Cellular systems (Telecommunication) --- Cellular telephone systems --- Mobile telephony --- Wireless telephone systems (Cell phone) --- Mobile communication systems --- Telephone systems

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Cellular technology has always been a surveillance technology, but ""cellular convergence"" - the growing trend for all forms of communication to consolidate onto the cellular handset - has dramatically increased the impact of that surveillance. In Cellular Convergence and the Death of Privacy, Stephen Wicker explores this unprecedented threat to privacy from three distinct but overlapping perspectives: the technical, the legal, and the social. Professor Wicker first describes cellular technology and cellular surveillance using language accessible to non-specialists. He then examines current l

Cell phone systems --- Data protection --- Electronic surveillance --- Privacy, Right of --- Law and legislation --- Electronics in surveillance --- SIGINT (Electronic surveillance) --- Signals intelligence --- Surveillance, Electronic --- Remote sensing --- Cellular radio --- Cellular radiotelephone systems --- Cellular systems (Telecommunication) --- Cellular telephone systems --- Mobile telephony --- Wireless telephone systems (Cell phone) --- Mobile communication systems --- Telephone systems