Patent ID: 9143271
Filing Date: 2015-09-22
Classification: H04B,H04H,H04L,H04N,H04W

Abstract:
1. A method of transmitting broadcast signals, the method comprising: compressing each header of data packets included in an IP Stream (Internet Protocol Stream), the IP Stream being identified by IP address information, wherein the data packets with the compressed headers comprise a first packet having a header including a static field information, a second packet having a header including a dynamic field information, and a third packet having a header including at least one of a compressed static field information and a compressed dynamic field information; building a signal frame including a plurality of PLPs (Physical Layer Pipes), wherein the signal frame includes IP-PLP mapping information for establishing a link between the IP Stream and a PLP transmitting the IP Stream, compression information of the IP Stream, wherein each of the plurality of PLPs carries at least one component of the IP Stream; and transmitting the built signal frame, wherein header information of the second and third packets are transmitted through the plurality of PLPs.