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Global - Industry - Wholesale Markets Synopsis
Wholesale Internet (IP Transit) bandwidth prices continued to fall in 2008/2009 due to declining unit costs and rising competition. Despite t...
Global - Mobile Data - GPRS, EDGE, HSCSD This report discusses the technologies that are being used to bridge the gap between the well established 2G and the much vaunted 3G, the so-called 2½...
Technology - Digital Broadcasting 1 - Trends and Frequencies As a prelude to detailed discussion of the various digital broadcasting technologies, we review the propagation of radio waves, the established analog...
Technology - Digital Broadcasting 2 - Television - DVB We discuss the distinctions between digital broadcasting for stationary video receivers, for mobile receivers and for small handheld devices. We then ...
Technology - Infrastructure - Key Concepts The basic principles of analogue audio/video and digital communication systems are discussed. Modulation systems, data compression, radio frequency pr...
Technology - Infrastructure - Last Mile 4 - ADSL Principles We discuss the principles ADSL and ADSL2, including frequency allocations, modulation schemes, line splitters, modems, DSLAMs (Digital Subscriber Line...
Technology - Infrastructure - Last Mile 8 - FTTC, VDSL2 Technical Standards We discuss the frequency plans and technical details of the ITU's promising new G993.2 VDSL2 standard. We discuss ADSL compatibility, Dynamic Spectrum...
Technology - Infrastructure - Long Distance 4 - Microwave, Satellite We discuss latency, microwave propagation and the reliability and security of PDH and SDH terrestrial microwave links, and the microwave bands used on...
Technology - Internet 4 - The Domain Name System DNS converts from text names to numeric IP addresses, giving the Internet tremendous flexibility and robustness. The operation of primary, secondary a...
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