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Telecommunications In Germany
Telecommunications in Germany is highly developed. The German telecommunication market has been fully liberalized since January 1, 1998. Germany is served by an extensive system of automatic telephone exchanges connected by modern networks of fiber-optic cable, coaxial cable, microwave radio relay, and a domestic satellite system; cellular telephone service is widely available, expanding rapidly, and includes roaming service to foreign countries. As a result of intensive capital expenditures since reunification, the formerly antiquated system of the eastern part of the country has been rapidly modernized to the most advanced technology. Deutsche Telekom began rolling out FTTH networks in ten cities in 2011, following the launch of pilot projects in Hennigsdorf, Braunschweig and Dresden in 2010. Fixed-line telephony The German telecommunication network employs an extensive system of network elements such as digital telephone exchanges, mobile switching centres, media gateway ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Telephone Exchange
A telephone exchange, telephone switch, or central office is a telecommunications system used in the public switched telephone network (PSTN) or in large enterprises. It interconnects telephone subscriber lines or virtual circuits of digital systems to establish telephone calls between subscribers. In historical perspective, telecommunication terms have been used with different semantics over time. The term ''telephone exchange'' is often used synonymously with ''central office'', a Bell System term. Often, a ''central office'' is defined as a building used to house the inside plant equipment of potentially several telephone exchanges, each serving a certain geographical area. Such an area has also been referred to as the exchange or exchange area. In North America, a central office location may also be identified as a ''wire center'', designating a facility to which a telephone is connected and obtains dial tone. For business and billing purposes, telecommunication carriers defi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fibre-optics
An optical fiber, or optical fibre in Commonwealth English, is a flexible, transparent fiber made by drawing glass (silica) or plastic to a diameter slightly thicker than that of a human hair. Optical fibers are used most often as a means to transmit light between the two ends of the fiber and find wide usage in fiber-optic communications, where they permit transmission over longer distances and at higher bandwidths (data transfer rates) than electrical cables. Fibers are used instead of metal wires because signals travel along them with less loss; in addition, fibers are immune to electromagnetic interference, a problem from which metal wires suffer. Fibers are also used for illumination and imaging, and are often wrapped in bundles so they may be used to carry light into, or images out of confined spaces, as in the case of a fiberscope. Specially designed fibers are also used for a variety of other applications, some of them being fiber optic sensors and fiber lasers. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Media Of Germany
Mass media in Germany includes a variety of online, print, and broadcast formats, such as radio, television, newspapers, and magazines. History The modern printing press developed in Mainz in the 15th century, and its innovative technology spread quickly throughout Europe and the world. In the 20th century period prior and during World War II, mass media propaganda in Nazi Germany was prevalent. Since the 1980s a "dual system of public and commercial" broadcasting has replaced the previous public system. Books Magazines Many in Germany read the weekly ''Der Spiegel''. Newspapers As of 2015, widely read national newspapers include ''Süddeutsche Zeitung'', ''Frankfurter Allgemeine Zeitung'', ''Die Welt'', and ''Bild''. "Germans are voracious readers of newspapers and periodicals.... The economic state of Germany’s several hundred newspapers and thousands of periodicals is enviably healthy. Most major cities support two or more daily newspapers, in addition to community peri ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Kabel Deutschland
Vodafone Kabel Deutschland GmbH is the largest cable television operator in Germany. Kabel Deutschland was subject to a hostile takeover bid by the British Vodafone Group in September 2013; the deal was approved in December 2013 and finalised on 29 January 2014. Until the takeover the company name was ''Kabel Deutschland''. Company Vodafone Deutschland GmbH operates in 13 of the 16 states of Germany except Baden-Württemberg, North Rhine-Westphalia and Hesse. In 2006, of the 15.4 million households passed by their cable the company served 9.6 million, however only one third of these are direct customers of Kabel Deutschland, since especially in large apartment complexes the in-house cable networks are owned by cable service companies or housing associations. Kabel Deutschland was founded in January 1999 by the former German telecom monopoly Deutsche Telekom operating as Deutsche Telekom Kabel Services GmbH (DeTeKS) in order to spin off its entire cable television business as r ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
DOCSIS
Data Over Cable Service Interface Specification (DOCSIS) is an international telecommunications standard that permits the addition of high-bandwidth data transfer to an existing cable television (CATV) system. It is used by many cable television operators to provide cable Internet access over their existing hybrid fiber-coaxial (HFC) infrastructure. History DOCSIS was originally developed by CableLabs and contributing companies, including Arris, BigBand Networks, Broadcom, Cisco, Comcast, Conexant, Correlant, Cox, Harmonic, Intel, Motorola, Netgear, Terayon, Time Warner Cable, and Texas Instruments. Versions ; : Released in March 1997, DOCSIS 1.0 included functional elements from preceding proprietary cable modems. ; : Released in April 1999, DOCSIS 1.1 standardized quality of service (QoS) mechanisms that were outlined in DOCSIS 1.0. ; (abbreviated D2) : Released in December 2001, DOCSIS 2.0 enhanced upstream data rates in response to increased demand for symmetric s ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Krefeld
Krefeld ( , ; li, Krieëvel ), also spelled Crefeld until 1925 (though the spelling was still being used in British papers throughout the Second World War), is a city in North Rhine-Westphalia, Germany. It is located northwest of Düsseldorf, its center lying just a few kilometers to the west of the river Rhine; the borough of Uerdingen is situated directly on the Rhine. Because of its economic past, Krefeld is often referred to as the "Velvet and Silk City". It is accessed by the autobahns A57 (Cologne– Nijmegen) and A44 (Aachen–Düsseldorf– Dortmund–Kassel). Krefeld's residents now speak ', or standard German, but the native dialect is a Low Franconian variety, sometimes locally called ', ', ', or sometimes simply '. The Uerdingen line isogloss, separating general dialectical areas in Germany and neighboring Germanic-speaking countries, runs through and is named after Krefeld's Uerdingen district, originally an independent municipality. History Early history Records ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Düsseldorf
Düsseldorf ( , , ; often in English sources; Low Franconian and Ripuarian: ''Düsseldörp'' ; archaic nl, Dusseldorp ) is the capital city of North Rhine-Westphalia, the most populous state of Germany. It is the second-largest city in the state and the seventh-largest city in Germany, with a population of 617,280. Düsseldorf is located at the confluence of two rivers: the Rhine and the Düssel, a small tributary. The ''-dorf'' suffix means "village" in German (English cognate: ''thorp''); its use is unusual for a settlement as large as Düsseldorf. Most of the city lies on the right bank of the Rhine. Düsseldorf lies in the centre of both the Rhine-Ruhr and the Rhineland Metropolitan Region. It neighbours the Cologne Bonn Region to the south and the Ruhr to the north. It is the largest city in the German Low Franconian dialect area (closely related to Dutch). Mercer's 2012 Quality of Living survey ranked Düsseldorf the sixth most livable city in the world. Düsse ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Digital Dividend After Digital Television Transition
The digital dividend refers to the radio spectrum which is released in the process of digital television transition. When television broadcasters switch from analog TV to digital-only platforms, part of the electromagnetic spectrum that has been used for broadcasting will be freed-up because digital television needs less spectrum than analog television, due to lossy compression. One reason is that new digital video compression technology can transmit numerous digital subchannels using the same amount of spectrum used to transmit one analog TV channel. However, the primary reason is that digital transmissions require much less of a guard band on either side, since they are not nearly as prone to RF interference from adjacent channels. Because of this, there is no longer any need to leave empty channels to protect stations from each other, in turn allowing stations to be repacked into fewer channels, leaving more contiguous spectrum to be allocated for other wireless servi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
E-Plus
E-Plus was a mobile telecommunications operator in Germany. With more than 25 million subscribers, E-Plus was the third largest mobile operator in Germany, until the takeover from Telefónica Germany in October, 2014. Ownership E-Plus was owned by Dutch telecommunications operator KPN since 2002. In July 2013, Telefónica Germany announced a planned takeover. The deal was approved by KPN shareholders in October 2013. The merger was delayed because of concerns by the European Commission on reduced competition in the German mobile market. In July 2014, the European Commission approved the merger, conditional on E-Plus giving up some frequencies and network capacity. Network First GSM license The company was awarded Germany's first DCS-1800 (later renamed GSM-1800, also known as E-Netz ( de; ''lit. E-Network'') in Germany) license in 1993. One term of the licence was that no further Mobile network operator could be started within 3 years of the start of the network. The ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Telefónica Germany
Telefónica Germany GmbH & Co. OHG (; also called Telefónica Deutschland ) is a provider of broadband, landline and mobile telecommunications in Germany. The company trades as O2 (typeset as O2). The company was renamed from Telefónica O2 Germany to Telefónica Germany on 1 April 2011 following the completion of a merger with HanseNet. Telefónica Germany purchased E-Plus on 1 October 2014, unifying the business under O2 brand on 3 February 2016. Telefónica Germany's main competitors are Telekom Deutschland (Deutsche Telekom's German private customer unit) and Vodafone. History Telefónica Germany was founded in 1995 as Viag Interkom, as a joint venture between British Telecommunications (45%), VIAG (45%) and Telenor (10%). Viag Interkom was awarded Germany's second GSM-1800 (also known as E-Netz ( de; ''lit. E-Network'' in Germany) license in February 1997 and began operations on 1 February 1998 in eight cities. In 2001, BT acquired VIAGs remaining shares for ₠... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Vodafone Germany
Vodafone GmbH is a mobile telecommunications operator in Germany headquartered in Düsseldorf. It provides mobile phone, LTE, 5G, cable internet, landlines, cable TV, and IPTV services. As of the third quarter of 2021, Vodafone GmbH has more than 31 million mobile customers in Germany, making it the third-largest provider of mobile phone services in Germany. The company's headquarters are in the suburb of Heerdt in Düsseldorf, with regional offices throughout Germany. Vodafone Germany's main competitors are Telekom Deutschland (Deutsche Telekom's German private customer unit) and Telefónica Germany. Vodafone Germany's network serves both prepaid and postpaid customers on GSM and LTE (Long Term Evolution). In July 2019, Vodafone started providing 5G services. At the end of 2010, Vodafone had 36.676 million mobile phone or mobile internet customers and 3.945 million customers with a DSL / VDSL connection. History The company in its present form resulted fro ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Access Network
An access network is a type of telecommunications network which connects subscribers to their immediate service provider. It is contrasted with the core network, which connects local providers to one another. The access network may be further divided between feeder plant or distribution network, and drop plant or edge network. Telephone heritage An access network, also referred to as an outside plant, refers to the series of wires, cables and equipment lying between a consumer/business telephone termination point (the point at which a telephone connection reaches the customer) and the local telephone exchange. The local exchange contains banks of automated switching equipment which direct a call or connection to the consumer. The access network is perhaps one of the oldest assets a telecoms operator would own. In 2007–2008 many telecommunication operators experienced increasing problems maintaining the quality of the records which describe the network. In 2006, according t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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