Interesting development that uses ultrasound sensors rather than radio devices to track patients around a hospital. Read more.
And patient and equipment tracking using wide-band RFID tags. Online article. [URL “http://www.wirelesshealthcare.co.ukRemoveThisFromTheUrl/wh/news/wk09-0006.htm” is reported by Google to be compromised by malware, 16 March 2015]