Energy costs represent the third most significant OPEX item for cellular carriers, and fluctuating energy costs are a significant area of concern
January 11, 2007
LONDON -- Energy costs represent the third most significant operating expense (OPEX) item for cellular carriers today, and fluctuating energy costs are a significant area of concern for business planners. The introduction of mobile broadband to the equation means that the energy required per subscriber arising from increasing data uptake will push per-subscriber energy OPEX for cellular solutions past acceptable barriers — unless carriers move from a traditional cellular-only approach to one that integrates WiMAX and Metro Wi-Fi.
Stuart Carlaw, director of wireless research at ABI Research, says that "From a pure coverage perspective WiMAX is twice as energy-cost-effective and metro Wi-Fi is 50 times more energy-cost-effective than WCDMA. When data traffic is factored into the equation, WiMAX can accommodate 11 times today's average data consumption and still be more energy-cost-efficient compared to WCDMA or HSDPA."
ABI Research
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