frequency-division multiplexing

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frequency-division multiplexing

[′frē·kwən·sē di‚vizh·ən ′məl·tə‚plek·siŋ]
(communications)
A multiplex system for transmitting two or more signals over a common path by using a different frequency band for each signal. Abbreviated fdm; FDM. Also known as frequency multiplexing.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
The purchase of the privately held Flarion, a developer of orthogonal frequency division multiplex access (OFDMA) technology, will reportedly extend Qualcomm's wireless-technology offerings.
Orthogonal frequency division multiplex (OFDM) is a modulation method that was developed around Data Over Cable Service Interface Specifications (DOCSIS).
Audio talk back is provided via radio response channels back to the ITFS transmitter sire and then returned to Chico via a six-channel frequency division multiplex subcarrier system on the microwave.
This third edition is revised to reflect the latest advances in the field, with new material on wireless LANs, wireless metropolitan area networks, WiFi and WiMax applications, offset frequency division multiplex, and the use of very small aperture satellite terminal systems as an economical alternative to public switched telecommunication networks.
The platform works off orthogonal frequency division multiplex wave form technology, and is fully compatible with CDMA-2000 and W-CDMA networks.
Reciprocal mixing is particularly severe in multicarrier systems (such as orthogonal frequency division multiplex (OFDM)), where the carriers are closely spaced in frequency.
Fujitsu Microelectronics Europe and Netherlands-based SPaSE b.v have jointly developed a next generation single chip OFDM (Orthogonal Frequency Division Multiplex) demodulator for digital terrestrial television receivers and set top boxes.

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