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TDM based MAC protocol for throughput enhancement in dense wireless LANs area

무선 랜 밀집 지역의 전송률 향상을 위한 시분할 매체 접근 제어 프로토콜

  • Kwon, Hyeok-Jin (Department of Computer Engineering, Hanbat National University) ;
  • Hwang, Gyung-Ho (Department of Computer Engineering, Hanbat National University)
  • Received : 2018.01.22
  • Accepted : 2018.01.30
  • Published : 2018.03.28

Abstract

The number of stations existing in the same wireless channel is increasing due to the spread of the wireless LAN devices. CSMA/CA, a conventional wireless LAN protocol, uses a random backoff method. In the random backoff scheme, collision between stations is frequent in a dense region where the number of stations existing in the same channel is several tens or more, and the performance of the performance degradation of such a protocol, the IEEE 802.11ah standard proposed a Restricted Access Window(RAW) wireless access method. RAW improves performance by limiting the number of concurrent access stations by dividing the stations into several groups. In this paper, we propose a method to improve the performance of channel connection by using new group creation, group removal and group relocation algorithm according to traffic change by improving existing RAW method.

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