In this paper, we propose to support a fixed priority real time scheduler over 802.11 protocol called Deadline Monotonic (DM). We evaluate the performances of this policy for a simple scenario where two stations with different delay constraints contend for the channel. For this scenario a Markov chain based analytical model is proposed. From the mathematical model, we derive the probability distribution of the packet service time at MAC layer. Analytical results are validated by simulation using the ns-2 network simulator.
목차
Abstract 1. Introduction 2. Related Works 3. Supporting Deadline Monotonic Policy over 802.11 3.1. Distributed Scheduling 3.2. DM medium access backoff policy 4. Mathematical Model of the DM policy over 802.11 4.1 Markov chain modeling station S1 4.2 Markov chain modeling station S2 4.3. Blocking probabilities in the Markov chains 4.4. Transition probability matrix of S1 4.5. Transition probability matrix of S2 5. Service Time Analysis 5.1. Z-transform of station S1 service time 5.2. Z-transform of station S2 service time 5.3. Service Time Distribution 5.4. Extended Simulation Results 6. Conclusion 7. References
저자
Inès El Korbi [ Ecole Nationale des Sciences de l’Informatique Laboratoire Cristal Université de la Manouba ]
Leila Azouz Saidane [ Ecole Nationale des Sciences de l’Informatique Laboratoire Cristal Université de la Manouba ]
보안공학연구지원센터(IJSEIA) [Science & Engineering Research Support Center, Republic of Korea(IJSEIA)]
설립연도
2006
분야
공학>컴퓨터학
소개
1. 보안공학에 대한 각종 조사 및 연구
2. 보안공학에 대한 응용기술 연구 및 발표
3. 보안공학에 관한 각종 학술 발표회 및 전시회 개최
4. 보안공학 기술의 상호 협조 및 정보교환
5. 보안공학에 관한 표준화 사업 및 규격의 제정
6. 보안공학에 관한 산학연 협동의 증진
7. 국제적 학술 교류 및 기술 협력
8. 보안공학에 관한 논문지 발간
9. 기타 본 회 목적 달성에 필요한 사업
간행물
간행물명
International Journal of Software Engineering and Its Applications
간기
월간
pISSN
1738-9984
수록기간
2008~2016
등재여부
SCOPUS
십진분류
KDC 505DDC 605
이 권호 내 다른 논문 / International Journal of Software Engineering and Its Applications Vol.2 No.2