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Frequency division multiple access (FDMA)
FDMA is the allocation of specific channels within a defined radio frequency bandwidth to carry a specific user’s information. FDMA is a mature, reliable method of RF communication, but requires more spectrum than competing technologies to deliver its payload.
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One of several technologies used to separate multiple conversation transmissions over a finite frequency allocation of throughtheair bandwidth. TDMA is used to allocate a discrete amount of frequency bandwidth to each user in order to permit many simultaneous conversations. However, each caller is assigned a specific time slot for transmission.
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A communication medium that supports only a single communication signal at a time. A form of modulation in which data signals are pulsed directly on the transmission medium without frequency division and usually utilize a transceiver. In baseband, the entire bandwidth of the transmission medium (cable) is utilized for a single channel. It uses a single carrier
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A contracted minimum guaranteed bandwidth allocation for a virtual circuit.
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An older technique in which the available transmission bandwidth of a circuit is divided by frequency into narrow bands, each used for a separate voice or data transmission channel, which many conversations can be carried on one circuit.
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A feature/benefit provided by service providers that allows clients to consume more bandwidth when needed and if the carrier network has the capacity. Such consumption is often charged at a much higher rate.
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