Method for transmitting IP header compression data packet in the third-generation evolution system

Abstract

The invention discloses a transmitting IP header compression data packet method in the third-generation evolution system, which compressing the IP header in the user equipment and core network equipment, and respectively creating user context in core network equipment and evolution wireless access network equipment for each user; and between these two equipments establishing a tunnel for this user; according to the user context information, the evolution wireless access network equipment maps the wireless interface QoS parameters of user IP header compression data packets to the QoS parameters of the bearing network, or vice versa; using the QoS parameters of the bearing network to package the user's IP header compression data packets, and transmitting through the corresponding tunnel; between the evolution wireless access network equipment and user device, using the channel corresponding to the wireless interface QoS parameters to send the user's IP header compression data packets. Using the invention, it can simply and effectively realize the IP header compression technology of the user equipment and core network equipment in the evolutionary 3GPP system, to increase the wireless transmission efficiency.

Description

technical field [0001] The invention relates to the technical field of mobile communication, in particular to a method for transmitting IP header compressed data packets in a third-generation evolution system. Background technique [0002] Since the FP (Frame Protocol) frame of the voice service is less than 40 bytes, the overhead generated by the traditional UDP / IP (User Datagram Protocol / Internet Protocol) header reaches 50-100%. The generated overhead is reduced from 28 bytes to 2-3 bytes, thereby greatly reducing the overhead of short packet transmission and improving the efficiency of wireless packet service transmission. [0003] In the traditional 3GPP system, IP header compression is implemented in the RNC (Radio Network Controller) of UE (User Terminal) and UTRAN (Universal Terrestrial Radio Access Network), as shown in Figure 1: [0004] In Fig. 1, the function of IP header compression is performed on the UE and the RNC in the radio access network, and the RNC sto...

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Problems solved by technology

[0014] The purpose of the present invention is to provide a method for transmitting IP header compressed data packets in a third-generation evolution system, so as to solve the problem that E_UTRAN cannot know the QoS parameters in the IP header when using the IP header compression technology in the 3GPP evolution system, so that the entire wireless air The interface and the bearer network cannot perform QoS setting and scheduling, and multiple tunnels need to be used between the E_UTRAN and the access system gateway, and between different E_UTRANs, making the system complex and affecting the handover performance. Implement IP header compression technology in the 3GPP system to improve wireless transmission efficiency

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