A system and method of controlling redistribution of broadcast content within a personal area network using TSID-DMA mapping to localize devices, wherein some location-aware devices have the capability to derive region identifiers whereas other location agnostic devices localize themselves by adopting...http://www.google.fr/patents/US7530088?utm_source=gb-gplus-shareBrevet US7530088 - Topology based proximity validation for broadcast content
Topology based proximity validation for broadcast content
