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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2012.1
- 수록면
- 16 - 27 (12page)
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In multi-interface multi-channel(MIMC) based tactical ad hoc networks, QoS support for required operational capacity is one of the main challenging issues for multi-hop transmissions. To support QoS in such a harsh environment, we propose a novel MAC scheme to minimize multi-hop as well as per-hop delay. The current IEEE 802.11 MAC protocols should contend to reserve the channel resource at every hop by each sender. The every-hop channel contention results in a degradation of end-to-end delay for multi-hop transmissions. The basic idea of our scheme is to make a "multi-hop reservation" at the MAC layer by using the modified RTS frame. It contains additional information such as destination information, packet priority, and hop count, etc. In addition, we differentiate the contention window area according to the packet priority and the number of hops to deliver packets in the predefined allowed latency. Our scheme can minimize the multi-hop delay and support the QoS of the critical data in real time(i.e., VoIP, sensing video data, Video conference between commanders). Our simulation study and numerical analysis show that the proposed scheme outperforms the IEEE 802.11 MAC.
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참고문헌 (13)
참고문헌 신청
P. Marshall / 2008 / DARPA Progress Towards Affordable, Dense, and Content focused Tactical Edge Networks / proc. IEEE MILCOM 2008
S. Xu / 2001 / Does the IEEE 802. 11 MAC Protocol Work Well in Multihop Wireless Ad Hoc Networks? / IEEE Communication Magazine
A. Acharya / 2002 / A Labelswitching Packet Forwarding Architecture for Multihop Wireless LANs / proc. WoWMoM 2002
R. Ramanathan / Ultra Low Latency MANETs, In BBN Technical Memorandum No. TM- 2023
R. Ramanathan / 2007 / Channel Access Over Path Segments for Ultra Low Latency MANETs / proc. MILCOM 2007
S. Xu / 2001 / Does the IEEE 802. 11 MAC Protocol Work Well in Multihop Wireless Ad Hoc Networks? / IEEE Communication Magazine
A. Acharya / 2002 / A Labelswitching Packet Forwarding Architecture for Multihop Wireless LANs / proc. WoWMoM 2002
R. Ramanathan / Ultra Low Latency MANETs, In BBN Technical Memorandum No. TM- 2023
R. Ramanathan / 2007 / Channel Access Over Path Segments for Ultra Low Latency MANETs / proc. MILCOM 2007
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