Patent ID: 9237482
Filing Date: 2016-01-12
CPC Classification: H04W

Claim Text:
1. A method for controlling header overhead in a mobile telecommunications network, said method comprising: receiving at a User Equipment (UE) one or more modified downlink data packets associated with a session for real time data packet traffic between the UE and a Packet Data Network (PDN) Gateway (PGW), the one or more modified downlink data packets being data packets that have had at least one downlink header field removed from at least one of an Internet Protocol (IP) header and a User Datagram Protocol (UDP) header prior to the receiving of said one or more modified downlink data packets; and reconstructing at the UE the at least one downlink header field removed from the IP and UDP headers for the one or more modified downlink data packets associated with the session using information obtained by the UE prior to receiving the one or more modified downlink data packets to form a corresponding at least one reconstructed downlink header field for the corresponding modified downlink data packet; wherein the information obtained by the UE prior to receiving the one or more modified downlink data packets includes information in at least one of the IP and UDP headers of at least one downlink data packet associated with the session.