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is equivalent to planting 200 million trees – an amount that would cover the whole of Europe in forest. It’s not just carbon emissions that are reduced, of course. It’s also


operating costs for customers. For example, remaining on the topic of data storage, Huawei’s SmartLi UPS system runs at 97% efficiency compared to an industry standard of 96%. Tis may sound like a small improvement, but it adds up to big savings. In fact, it will save operators an estimated $70,000 in electricity over the 10-year life of each 1.2MW UPS unit installed. With the projected numbers paint such a clear


picture, it’s now time to create a strategic and sensible roadmap for getting there. Huawei presented its own vision for


green ICT at this year’s Mobile World Congress in Barcelona: “Green Site, Green Network, and Green Operation”. Tis three-part solution


puts energy efficiency at the forefront of industry processes, without neglecting user experience. If we forget that our need to reduce power consumption goes hand in hand with a need to boost network capacity, it is users who will be leſt in the lurch. Tat’s why our promise is “More Bits, Less Watts”. We know this might raise eyebrows;


Huawei’s answer to this is 5Green, which is made up of two


solutions: GreenSite and PowerStar. Tese innovations bolster the green development of networks across hardware and operations. GreenSite embeds low-carbon objectives at the level of hardware,


“Reducing power consumption shouldn’t


come at the cost of reduced performance. In industry, 5G


carriers are demanding solutions that enable increased numbers of


boasting strong environmental credentials.”


we know that there is sometimes a trade-off between energy saving features and some aspects of network performance. But we also know that we have found, and continue to find, creative solutions to this problem whereby performance indicators can drop due to reduced energy input, but without actually affecting user experience. A good example can be seen in Germany, where an automated intelligent shutdown solution runs in shopping malls at night. Whilst slightly reducing one performance indicator, peak rates, crucially, it delivers on lowering site energy consumption by 10%, all without disrupting user experience. Adopting user experience as a core metric of the success of


green initiatives, rather than focussing too heavily on traditional indicators, frees up creative space to improve energy efficiency across our whole sector. Intelligent power management becomes a crucial element for any network aspiring to be a truly low-carbon carrier fit for the future.


Leading the way When it comes to going green, our tech is leading the way. Reducing power consumption shouldn’t come at the cost of


reduced performance. In industry, 5G carriers are demanding solutions that enable increased numbers of radio access technologies (RATs) and frequency bands, while still boasting strong environmental credentials.


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utilising innovative components to make sure networking sites are as eco-friendly as possible. Our innovative “extremely large antenna array” combines 384 antennae - over double the amount found in common antenna units – to make what we call our MetaAAU. Adopting the innovation has enabled us to reduce the power consumption of network sites while simultaneously improving performance. 5Green’s second solution, PowerStar, uses soſtware to share power intelligently across multiple radio networks which use different technologies and bandwidths. Tis reduces power consumption while protecting user experience. On average, PowerStar is already helping operators decrease their wattage needs by more than 25% and this figure is only


radio access technologies (RATs) and frequency bands, while still


set to increase as the system improves. Te extent of our progress in green 5G is perhaps best exemplified by our launch of the world’s first ever Giga Green Site for market use at MWC, where, again, it was innovations in radio antennae that allowed us to deliver on the site’s low-carbon aspirations. Te use of multi-antennae technology helped us cut the base station modules down from the typical eight to


just three, boosting energy efficiency by 30% compared with


competitor products. Te antenna arrangement itself, called the BladeAAU Pro, uses adaptable signal technology to reduce its own energy consumption by 15%, while maintaining the same level of user-friendly coverage. By unlocking new methods of improving energy efficiency while


adapting to the ever-growing need for better network capacity, Huawei is proud to be at the forefront of ICT’s green transition, whose success will be pivotal in improving green outcomes for the global economy at large.


What will accelerate our plans? Huawei believes in building a fully connected, intelligent world, and delivering that vision is our priority. With its dual promise to reduce carbon emissions and lower bills for our customers, getting on with achieving it has never been more important. Last year, Huawei invested $22.4bn into research and


development, because we know that ICT’s contribution to our low- carbon future could be a game-changer. If innovation is the engine of transformation, we are confident that through our financial and creative commitment, we can accelerate the pace of green development across the globe.


June 2022 | 15


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