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Glossary
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CAD
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(Computer-Aided Design) Using computers to design products. CAD systems are high-speed workstations or desktop computers with CAD software. A graphics tablet is used for drawing, and a scanner may be attached for additional input. The output of a CAD system is either printed or electronically transmitted to a CAM system, which builds the objects
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CAGR
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Compound Annual Growth Rate
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CAMEL
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Customized Applications for Mobile networks Enhanced Logic
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CAPEX
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Capital Expenditure. Capital expenditures are expenditures used by a company to acquire or upgrade physical assets such as equipment, property, or industrial buildings. In accounting, a capital expenditure is added to an asset account (i.e. capitalized), thus increasing the asset base.
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CD
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Compact Disc
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CDMA
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Code-Division Multiple Access, a digital cellular technology that uses spread spectrum techniques. Unlike competing systems, such as GSM, that use TDMA, CDMA does not assign a specific frequency to each user. Instead, every channel uses the full available spectrum. Individual conversations are encoded with a pseudo-random digital sequence.
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CDMA2000
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Enhancements to the CDMA wireless cellphone technology that allow data to be transmitted. In 2000, CDMA2000 was the first 3G technology to be commercially deployed as part of the ITU's IMT-2000 framework. By 2006, the CDMA Development Group (CDG) reported that the international CDMA2000 subscriber base had surpassed 185 million users.
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CDPD
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Cellular Digital Packet Data
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Cell
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An area of radio coverage, locally defined as seen by a mobile station with a base station identity code, and uniquely defined as seen by the network with a cell global identification (GSM/GPRS or with a cell identification (UMTS).
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CEPT
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Conference Européenne des Administration des Postes et des Telecommunications / European Conference of Postal and Telecommunications Administrations
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Channel
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In communications, a physical or logical path allowing the transmission of information. The path connecting a data source and a receiver.
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cHTML
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Compact HTML
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CLDC
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Connected Limited Device Configuration
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Core network
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A network that uses high-speed transmission paths and provides connectivity for regional networks and other sub-networks. The two terms “backbone network” and “core network” are often used as synonyms. They both refer to the actual heart of the telecom network. This network should be able to transmit and handle a huge amount of information. Normally when using the term “core network”, the operators refer to both routing and transmission. The term “backbone network” refers only to the transmission resources needed to support the network. In order to offer efficient communications, operators need a huge transmission capacity at the core of the network. Access to the Internet via a modem or an ISDN connection, allowing bit rates up to 64 Kbit/s on a single twisted pair.
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CPE
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Customer Premises Equipment, a generic term used to describe all customer devices, including modems, Integrated Access Devices (IAD), Residential Gateways (RGW), and terminals.
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CRM
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Customer Relationship Management. Software systems that promise the ability to synthesize data on customers' behaviour and needs and thus to provide a universal view of the customer.
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CWTS
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China Wireless Telecommunication Standard
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