지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
오류제보하기
In this paper, an implementation of concurrent backoff delay process on a single chip with IEEE 802.15.4 hardware and 8051 processor core that can be used for analyzing the interference on IEEE 802.15.4 channels due to WiFi traffics is studied. The backoff delay process of IEEE 802.15.4 CSMA-CA algorithm is explained. The characteristics of random number generator, timer, and CCA register included in the single chip are described with their control procedure in order to implement the process. A concurrent backoff delay process to evaluate multiple IEEE 802.15.4 channels is proposed, and a method to service the associated tasks at sequentially ordered backoff delay events occurring on the channels is explained. For the implementation of the concurrent backoff delay process on a single chip IEEE 802.15.4 hardware, the elements for the single channel backoff delay process and their control procedure are used to be extended to multiple channels with little modification. The medium access delay on each channel, which is available after execution of the concurrent backoff delay process, is displayed on the LCD of an IEEE 802.15.4 channel analyzer. The experimental results show that we can easily identify the interference on IEEE 802.15.4 channels caused by WiFi traffics in comparison with the way displaying measured channel powers.
목차
Abstract
1. 서론
2. 단일 채널 IEEE 802.15.4 CSMA-CA 알고리즘의 구현
3. 다중 채널에 대한 병렬적인 백오프지연과정 구현
4. WiFi 간섭을 평가하기 위한 IEEE 802.15.4 채널분석기의 구현 및 시험
5. 결론
References
참고문헌 (11)
참고문헌 신청
1. [기타자료] - LAN MAN Standards Committee of the IEEE Computer Society / 2006 / Wireless Medium Access Control (MAC) and Physical Layer (PHY) Specifications for Low Rate Wireless Personal Area Networks (WPANs) / IEEE Std 802.15.4-2006
2. [기타자료] - LAN MAN Standards Committee of the IEEE Computer Society / 2012 / Part 11 : Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY)Specifications / ANSI/IEEE Std 802.11-2012 (Revision of IEEE Std 802.11-2007)
3. [보고서] - ZigBee Alliance / 2007 / ZigBee and Wireless Frequency Coexistence
4. [학술지(정기간행물)] - P. Yi / 2011 / Developing ZigBeee Deployment Guideline Under WiFi Interference for Smart Grid Applications / IEEE Trans. on Smart Grid 2 (1) : 110 ~ 120
5. [보고서] - G. Thonet / 2008 / ZigBee-WiFi Coexistence : 1 ~ 38
2. [기타자료] - LAN MAN Standards Committee of the IEEE Computer Society / 2012 / Part 11 : Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY)Specifications / ANSI/IEEE Std 802.11-2012 (Revision of IEEE Std 802.11-2007)
3. [보고서] - ZigBee Alliance / 2007 / ZigBee and Wireless Frequency Coexistence
4. [학술지(정기간행물)] - P. Yi / 2011 / Developing ZigBeee Deployment Guideline Under WiFi Interference for Smart Grid Applications / IEEE Trans. on Smart Grid 2 (1) : 110 ~ 120
5. [보고서] - G. Thonet / 2008 / ZigBee-WiFi Coexistence : 1 ~ 38
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