The Journal of Korean Institute of Communications and Information Sciences (한국통신학회논문지)

The Korean Institute of Commucations and Information Sciences (한국통신학회)
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Energy-Efficient Voice Data Broadcast Method in Wireless Personal Area Networks for IoT

IoT-WPAN 환경에서 에너지 효율적 음성 데이터 Broadcast 기법

  • Lee, Jaeho (Dept. Information and Communications, Seowon University)
  • Received : 2015.08.11
  • Accepted : 2015.11.06
  • Published : 2015.11.30
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Abstract

Bluetooth Low Energy (Bluetooth LE) is a representative break-through communication technology for wireless personal area networks on nowaday. In this environment, most of significant performance should be aiming to energy efficiency due to the policy for manufacturing light-weighted communication devices derived from requirement of world IoT market, and many researches have been developed to satisfy this requirement. While Bluetooth LE has been leading the low power communication technology required from the current market by employing duty cycle and frequency hopping approaches, it couldn't address the problem of reliability on broadcast transmissions. The main goal of this paper is aiming to addressing this problem by suggesting a new method. Furthermore analytic evaluations would also be proceeded to find objective results in the view point of broadcast transmission efficiency from Master device.

무선 개인화 네트워크 환경에서는 통신 장치의 경량화 정책으로 인하여 에너지 효율이 크게 요구되며, 이러한 시장 요구를 만족시키기 위하여 수많은 통신 프로토콜들이 연구되어 왔다. 특히 Bluetooth Low Energy 기술은 Duty Cycle 방식과 주파수 호핑 방식을 모두 채택하여 저전력 통신 기술의 대표 기술로 시장 선점을 주도하고 있다. 하지만 대부분의 저전력 통신 기술들은 Duty Cycle 채택 등의 이유로 Broadcast 통신 방식에서의 신뢰성 문제를 해결하기 힘들다. 본 논문에서는 IoT 환경에서 발생될 수 있는 Broadcast 통신 요구를 Bluetooth Low Energy 환경에서 해결하기 위한 에너지 고효율의 MAC 프로토콜을 제안하고, Master 장치와 Slave 장치의 Broadcast 전송 효율에 대한 분석을 통하여 제안 방식의 객관적 성능을 검증한다.

Keywords

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