Densification is a key trend in current operator thinking, but there are other scenarios where small cells, in increasingly diverse form factors, will be even more important and potentially disruptive. These scenarios include remote and temporary coverage, which have traditionally been addressed by specialist providers, if at all. Emerging small cell solutions could make a business case for universal coverage at last, but it may not be the MNOs which benefit. One of the biggest challenges for mobile network operators has always been to make a business case for ubiquitous coverage. Extending base station coverage and, worse, backhaul to sparsely populated areas, or those which are very hard to reach such as mines and oil rigs, is expensive and the…