Session management method of LTE network, base station and OpenFlow controller

A technology of session management and controller, which is applied in the direction of network flow/resource management, connection management, electrical components, etc., can solve the problems that cannot meet the needs of ultra-dense networks, and achieve the effect of avoiding GTP tunnel reconstruction and improving efficiency

Active Publication Date: 2017-07-07
ALCATEL LUCENT SHANGHAI BELL CO LTD
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Problems solved by technology

Obviously, such frequent GTP tunnel reconstruction cann

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  • Session management method of LTE network, base station and OpenFlow controller
  • Session management method of LTE network, base station and OpenFlow controller
  • Session management method of LTE network, base station and OpenFlow controller

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[0034] Although the exemplary embodiments may have various modifications and alternative forms, some of them are shown by way of example in the drawings, and will be described in detail here. However, it should be understood that it is not intended to limit the exemplary embodiments to the specific forms disclosed, on the contrary, the exemplary embodiments are intended to cover all modifications, equivalents, and alternatives falling within the scope of the claims. The same reference numerals always refer to the same elements in the description of each figure.

[0035] Before discussing the exemplary embodiments in more detail, it should be mentioned that some exemplary embodiments are described as processes or methods depicted as flowcharts. Although the flowchart describes the operations as sequential processing, many of the operations can be implemented in parallel, concurrently, or simultaneously. In addition, the order of operations can be rearranged. The processing may b...

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Abstract

A session management method of an LTE network, a base station and an OpenFlow controller are disclosed. The session management method comprises the following steps of interacting with the OpenFlow controller and establishing RRC connection with UE; through a reconfiguration message of the RRC connection, creating special-purpose wireless bearing on a wireless link; and sending attribute information of the created special-purpose wireless bearing to the OpenFlow controller so that the OpenFlow controller configures and forwards a path. Through the special-purpose wireless bearing created by a base station terminal, the OpenFlow controller configures and forwards the path, and dynamic creation and deletion can be achieved; and frequent GTP tunnel reconstruction is avoided so that the OpenFlow controller carries out coordinative control on the special-purpose wireless bearing aiming at a whole LTE network condition and efficiency of a backhaul network and an access network is increased.

Description

technical field [0001] The invention relates to the field of wireless communication, in particular to a session management method of an LTE network, a base station and an OpenFlow controller. Background technique [0002] In the current LTE (Long Term Evolution, long-term evolution) or LTE-A (Long Term Evolution-Advanced, long-term evolution upgrade) network, from S-GW (Serving-GateWay, serving gateway) / PDN-GW (Packet Data Network-GateWay, Packet data gateway) to eNB (base station side) UE (user equipment) traffic data is generally backhauled through the GTP (GPRS TUNNELLING Protocol, GPRS tunneling protocol) tunnel, specifically as Picture 1-1 shown. However, when the UE moves to another new eNB, even if the IP address in the UE traffic data has not changed, the GTP tunnel needs to be re-established, specifically as follows Figure 1-2 shown. Obviously, such frequent GTP tunnel reconstruction cannot meet the needs of ultra-dense networks in the 5G era. Contents of the ...

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Application Information

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IPC IPC(8): H04W76/04
CPCH04W28/06H04W76/22H04W76/27
Inventor 王栋耀唐彦波成慧婷冷晓冰沈钢
Owner ALCATEL LUCENT SHANGHAI BELL CO LTD
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