First proposed by Henri Chireix of France in 1935, outphasing was originally used for AM radio broadcasting. Also known as load modulation.
 Improvement from the current rate of around 50% efficiency, to 70%
When using a Peak-to-Average Power Ratio (PAPR) of 7 dB (roughly 5x).
 Annual reduction of 2,650 tons of CO2
Estimate based on the "Base Station Expansion Plan for Expanding 3.9 G Mobile Communications Systems," published by Japan's Ministry of Internal Affairs and Communications (http://www.soumu.go.jp/menu_news/s-news/01kiban14_02000104.html), which includes projected figures from various carriers on numbers of newly constructed 700 MHz-band outdoor base stations.
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Technical ContactsNetwork Systems Laboratories
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Date: 26 September, 2013
City: Kawasaki, Japan
Company: Fujitsu Laboratories Ltd.