Automatic elimination of unnecessary packets for smart terminals in Wireless LAN environments

  • Authors:

  • Hyun-Soo Kim;Jung-Ha Kang;Do Wook Kang;Yang Sun Lee;Eun-Gi Kim

  • Affiliations:

  • Dept. of Information and Communication Engineering, Hanbat National University, Daejeon, Republic of Korea;Dept. of Information and Communication Engineering, Hanbat National University, Daejeon, Republic of Korea;IT Convergence Technology Research Lab., Electronics and Telecommunications Research Institute, Daejeon, Republic of Korea;Division of Computer Engineering, Mokwon University, Daejeon, Republic of Korea;Dept. of Information and Communication Engineering, Hanbat National University, Daejeon, Republic of Korea

  • Venue:
  • Journal of Systems Architecture: the EUROMICRO Journal
  • Year:
  • 2013

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Abstract

This paper presents the problems when Linux-based smart terminals receive unnecessary packets from Wireless LAN environments. Thus, we propose an algorithm to improve these problems. Smart terminals that receive unnecessary packets store them into a socket buffer instead of dropping them immediately. Then the smart terminals transfer the packets to an upper layer and the packets are eliminated at the matched protocol layer. If the smart terminals receive a lot of ineffective packets, the processing time for these packets are unnecessary overhead. In order to reduce the unnecessary overhead, this paper proposes an automatic elimination algorithm for ineffective packets. In this algorithm, we create a new table which contains information of unnecessary packets in kernels, and the ineffective packets are filtered according to the tabled information in the early stage of the MAC layer. Our designed algorithms are implemented by modification of the Linux kernel and the WLAN device driver source code, and the test results of our designed algorithms are presented.