It is not just European operators which are looking at active and passive network sharing to mitigate the costs and risks of early 5G build-out. Operators in competitive mobile broadband markets in Asia and elsewhere are also weighing their options, and in Singapore and Malaysia, they are coming up with radical plans to improve their profitability prospects. The regulators in both countries have announced innovative but rather complex proposals for allocating 5G spectrum, with the aim of making it easier for networks to be built that meet city, industrial and indoor requirements, rather than just speeding up the existing 4G mobile broadband footprint. These did not deliberately set out to encourage new levels of spectrum or network sharing, but that…