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Apparatus for transmitting broadcast signals, apparatus for receiving broadcast signals, method for transmitting broadcast signals and method for receiving broadcast signals

  • US 10,448,105 B2
  • Filed: 09/19/2017
  • Issued: 10/15/2019
  • Est. Priority Date: 06/12/2013
  • Status: Active Grant
First Claim
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1. A method of receiving a broadcast signal by an apparatus for receiving the broadcast signal, the method comprising:

  • receiving the broadcast signal including link layer packets, wherein each link layer packet includes a link layer packet header and a payload, wherein a packet type of input packets encapsulated in the link layer packets is an Internet Protocol (IP) packet type or a MPEG-2 TS packet type, wherein the link layer packet header includes an information field for identifying whether a segmentation of an input packet or a concatenation of an input packet with another input packet is performed, and wherein when the packet type of the input packets is the IP packet type, headers of the input packets are compressed based on Robust Header Compression (RoHC) of unidirectional mode;

    processing the broadcast signal;

    decapsulating the link layer packets into the input packets based on the information field; and

    decompressing the headers of the input packets based on the packet type of the input packets.

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