Positioning systems are an established need in the current world. The ability to identify the position of a given object in a given context is a common service in our fast-paced, online and always-connected global community. For normal day-to-day usage outdoor systems have a matured and integrated usage, from destination guidance to social media applications status updates, all can use the current positioning systems to enhance its services. For inside systems the same does not happen, there is a clear gap in the applicability and usage of positioning systems for indoor locations. This book...