Femtocell base stations could require 20% to 40% less energy

Leti recently cut the energy requirement of a femtocell base station’s radiofrequency transmission head by 20% to 40%, for a power output of more than 30 dBm. The EU project behind this development was carried out in association with Telecom Italia, Alcatel-Lucent, and Ericsson. The use of a dual-input antenna with excellent isolation properties plus a SOI-based linear amplifier with a dynamic adaptation system serves to relax the filtering system, making these substantial energy savings possible.
Femtocell base stations will play a crucial role in tomorrow’s indoor 4G networks, and their energy consumption will need to be reduced. Leti is seeking a corporate partner to pursue the research and development work.

Contact: alexandre.giry@cea.fr  / serge.bories@cea.fr

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