Patent ID: 7530088
Filing Date: 2009-05-05
Classification: H04L,H04N

Abstract:
1. A method to control the retransmission of broadcast content, said method comprising: receiving a broadcast stream containing broadcast content in a device that is part of a personal area network (PAN); extracting a transport stream identifier (TSID) from said broadcast stream; deriving a designated market area (DMA) from a TSID-to-DMA mapping table based on said transport stream identifier, said DMA indicating a region in which a program is aired; retransmitting said broadcast content to one or more devices residing in the same said region, said DMA added to said retransmitted broadcast content, said one or more devices belonging to said PAN, and said broadcast content playable in a given device in said PAN if DMA associated with said given device matches DMA added to said retransmitted broadcast content.