Patent ID: 7796600

Claim:
A method of identifying erasure locations in transmitted data received by a Digital Video Broadcasting over Handheld (DVB-H) receiver, said method comprising: grouping data bytes from Internet Protocol (IP) datagrams in a Multi-Protocol Encapsulator Forward Error Correction Random Access Memory (MPE-FEC RAM) unit in a column-wise manner into data blocks comprising 2 M consecutive bytes per data block, wherein M comprises a positive integer; using an erasure cache RAM comprising a size of 2 (10−M) ×255 entries having (M+2) bits per entry to indicate an erasure status of each data byte in a MPE data frame; using M bits in the (M+2)-bit entry in said erasure cache RAM to identify a 2 M −1 potential boundary of said IP datagrams when a corresponding data block covers two said IP datagrams; and using a remaining two bits in said (M+2)-bit entry to identify potential erasure location conditions in said IP datagrams.