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Method for safely processing LTE (Long Term Evolution) base station user plane data

A technology for security processing and base station users, applied in security devices, electrical components, wireless communications, etc., can solve problems such as heavy CPU load, achieve the effect of reducing copying, reducing occupancy, and improving overall performance

Inactive Publication Date: 2016-08-17
WUHAN POST & TELECOMM RES INST CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The secure processing of signaling and general data requires a large number of algorithmic operations. If it is implemented purely by software, the CPU load will be heavy

Method used

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  • Method for safely processing LTE (Long Term Evolution) base station user plane data
  • Method for safely processing LTE (Long Term Evolution) base station user plane data
  • Method for safely processing LTE (Long Term Evolution) base station user plane data

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Embodiment Construction

[0038] The invention mainly aims at the optimization of the LTE air interface data security function processing, and is applicable to the LTE base station. This solution can meet the needs of high-speed data transmission in the construction of LTE wireless communication base stations, and effectively reduce the occupation of system resources. This design makes full use of the hardware acceleration performance of the SEC coprocessor, and uses user space-kernel memory mapping technology to reduce memory copying , using first-in-first-out lock-free queues and asynchronous concurrent data processing, thereby significantly improving the security processing performance of the LTE base station and minimizing the usage of system CPU resources by the PDCP module when performing security processing.

[0039] The technical solution of the present invention will be described in detail below in conjunction with the drawings and embodiments.

[0040] The technical solution of the present in...

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Abstract

The invention provides a method for safely processing LTE (Long Term Evolution) base station user plane data. The method is characterized in that when data are required to be safely processed, a PDCP (Packet Data Convergence Protocol) module is just required to send the data and corresponding safety parameters to a safe acceleration module; the safe acceleration module is used for adding the data into a double-ring lock-free FIFO (First In First Out) queue, and then mapping the data to a kernel memory so as to prevent the data from being copied by a memory, and the safety acceleration module returns the data to the PDCP module after safety processing is completed. According to the method for safely processing the LTE base station user plane data, provided by the invention, the processing efficiency of the PDCP module is remarkably increased while a safety function is completed, the occupation rate of the PDCP module on a CPU (Central Processing Unit) resource is reduced, and the performance of a whole system is increased.

Description

technical field [0001] The present invention relates to the technical field of wireless communication, in particular to a method for asynchronously realizing the security function of the PDCP (Packet Data Convergence Protocol) layer of an LTE (Long Term Evolution, Long Term Evolution) base station based on a Linux system. Background technique [0002] With the advancement of wireless communication technology, services such as e-commerce, online payment, stock trading, and multimedia have higher requirements for network security. Therefore, both operators and customers are paying more and more attention to the security of air interface data. When 3GPP formulated the LTE protocol, it stipulated that the security function of the access layer should be completed by the PDCP layer. [0003] The security of the access layer includes the integrity protection and encryption and decryption of the air interface signaling of the access layer, that is, SRB (Signal Radio Bearer, signalin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W12/02H04W12/10H04W12/106
CPCH04W12/02H04W12/10
Inventor 程潮胡均武徐海鑫颜志凌
Owner WUHAN POST & TELECOMM RES INST CO LTD
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