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Integrated Digital Enhanced Network (IDEN)
Description: 

Integrated Digital Enhanced Network (IDEN) is a wireless technology introduced by Motorola in 1994. IDEN uses Time Division Multiple Access (TDMA) to place more users in the spectral space compared to analog cellular and two-way radio systems. IDEN supports both data (paging and text messaging) and voice communications. Operating in the 800 MHz and 1.5 GHz bands and based on TDMA, IDEN delivers 64 kbps over a 25 KHz channel occupying 20 KHz only to provide interference protection via guard bands. Each channel is shared by six users to transmit any mix of voice, data, and text message or dispatch (two-way radio). Sprint Nextel is a large iDEN service providers in the U.S.

Applications: 

IDEN is used to transmit data to and from the advanced energy meters to the utilities as in the case of the advanced energy meters co-developed by Trilliant and
Motorola based on IDEN® communications solutions [1, 2].

References: 

[1] NETL, "NETL Compendium of Smart Grid Technologies", Aug 2009. URL: http://www.netl.doe.gov/smartgrid/referenceshelf/whitepapers/Compendium_of_Technologies_APPROVED_2009_08_18.pdf
[2] Trilliant Press Release, "Trilliant and Motorola introduce iDEN®-based communications solutions for advanced energy meters", April 2008. URL: http://www.trilliantinc.com/press-releases/trilliant-and-motorola-introduce-iden®-based-communications-solutions-for-advanced-energy-meters/

Key Technology Area: 
Integrated Communications

Sample Vendors:

 

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