Huawei held its 2017 Global Mobile Broadband Forum in London this year, and several UK operators stood up to share their experiences – though senior executives from Vodafone and BT were hardly waxing lyrical about their expectations for 5G. “The business case for 5G still needs to be built,” said Gavin Patterson, CEO of BT, owner of the largest mobile operator EE. Meanwhile, Vodafone’s CTO, Johan Wibergh, warned against “overhyping” 5G and said the benefits would be mainly about cost efficiency in the early stages, rather than new business opportunities. In the first two years or so after initial deployment, operators would be able to reduce the operating cost of delivering mobile services, he said. Like other MNOs which aim…