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| Standards > Data Transmission Standards > |
Modulation Techniques
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ALSO CALLED: Digital Modulation Techniques
DEFINITION: Modulation is the addition of information (or the signal) to an electronic or optical signal carrier. Modulation can be applied to direct current (mainly by turning it on and off), to alternating current, and to optical signals. One can think of blanket waving as a form of
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| Your request for Modulation Techniques resources returned limited or no results. The request has been expanded to include TDMA, CDMA and OFDM resources.
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New Backhaul Networks for Mobile Broadband
| sponsored by Ciena
WHITE PAPER:
Designed to handle narrowband voice traffic, the backhaul network can no longer handle today's traffic. This paper examines a solution that integrates TDM technology with Ethernet to provide operators with increased bandwidth and reduced costs.
Posted: 01 Jul 2008 | Published: 01 Nov 2007
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Licensed versus Unlicensed Wireless
| sponsored by Motorola, Inc.
WHITE PAPER:
Wireless communications can utilize either licensed or unlicensed-band equipment, but performance assumptions can lead organizations in the wrong direction. Read this paper to learn which is really best.
Posted: 08 Jun 2007 | Published: 16 Apr 2007
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Transport Voice, Video and Data Transparently over IP/Ethernet/MPLS Networks: TDMoIP® IPmux Product Family
| sponsored by RAD Data Communications
PRODUCT LITERATURE:
RAD's IPmux™ line of TDM over IP (TDMoIP®) gateways transparently extends E1, T1, E3 or T3 circuits across packet-switched IP/Ethernet/MPLS networks. It is transparent to all protocols and signaling, and therefore supports legacy PBXs.
Posted: 06 Jul 2004 | Published: 01 Feb 2004
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MODULATION TECHNIQUES DEFINITION (continued): … modulation used in smoke signal transmission (the carrier being a steady stream of smoke). Morse code, invented for telegraphy and still used in amateur radio, uses a binary (two-state) digital code similar to the code used bymodern computers. For most of radio and telecommunication today, the carrier is alternating current ( AC) in a given range of frequencies. Common modulation methods include: |
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