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Method, device and system for adjusting PDCP layer processing load

A technology of processing load and reconfiguration, applied in security devices, connection management, network traffic/resource management, etc., can solve problems such as bottlenecks, and achieve the effect of reducing power consumption and PDCP processing load

Active Publication Date: 2020-11-10
CHINA TELECOM CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

With the evolution of the WLAN version, the rate on the WLAN side may be much higher than that on the LTE side, and the PDCP layer processing of LTE will become the bottleneck of LWA

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  • Method, device and system for adjusting PDCP layer processing load
  • Method, device and system for adjusting PDCP layer processing load
  • Method, device and system for adjusting PDCP layer processing load

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Embodiment Construction

[0069] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. The following description of at least one exemplary embodiment is merely illustrative in nature and in no way taken as limiting the invention, its application or uses. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0070] The relative arrangements of components and steps, numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.

[0071] At the same time, it should be understood that, for the convenience of d...

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Abstract

The invention discloses a method, device and system for adjusting PDCP layer processing load. The method includes: the base station obtains the current transmission rate of the wireless local area network; the base station judges according to the current transmission rate of the wireless local area network whether it is necessary to change the encryption function status of the PDCP layer; if the encryption function status of the PDCP layer needs to be changed, the base station sends the wireless resource to the user terminal Control the RRC reconfiguration message so that the user terminal can perform related RRC reconfiguration; after receiving the RRC reconfiguration confirmation information fed back by the user terminal, the base station will change the state of the encryption function of the PDCP layer after sending a special data packet to the wireless LAN, so that the user The terminal changes the state of the PDCP layer decryption function after receiving the special data packet forwarded by the wireless local area network. The invention can significantly reduce the PDCP processing load of eNB and UE in LWA, and achieve the purpose of reducing power consumption of UE.

Description

technical field [0001] The present invention relates to the technical field of wireless communication, in particular to a method, device and system for adjusting PDCP layer processing load. Background technique [0002] With the popularization of LTE (Long Term Evolution, long-term evolution) and WIFI, and the popularity of terminals equipped with both LTE modules and WLAN modules, more and more operators have begun to use WLAN (Wireless Local Area Network) systems as a supplement and Synergistic means to solve the problem of network overload on cellular networks. [0003] 3GPP Release 13 proposes an LTE and WLAN aggregation technology (LTE WLAN Aggregation, LWA). LWA technology is similar to the dual connectivity technology in LTE, that is, LTE is responsible for the control plane, and user plane data is offloaded from the PDCP (PacketData Convergence Protocol) layer of LTE. UE can pass LTE eNB (evolved base station) and A WLAN AP (Wireless Access Point, wireless access p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W76/19H04W76/27H04W12/04H04W28/06H04W80/02H04W12/0433
CPCH04W12/04H04W28/06H04W80/02Y02D30/70
Inventor 王达陈鹏杨峰义毕奇
Owner CHINA TELECOM CORP LTD