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http://dx.doi.org/10.7840/kics.2012.37C.10.977

An Enhanced DAP-NAD Scheme for Multi-Hop Transmission in Combat Net Radio Networks  

Jung, Jong-Kwan (육군 교육사령부)
Kim, Jong-Yon (아주대학교 일반대학원 NCW학과)
Roh, Byeong-Hee (아주대학교 소프트웨어융합학과)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.37C, no.10, 2012 , pp. 977-985 More about this Journal
Abstract
Recently, many countries have been developing new protocols to improve the performance of tactical ad hoc networks for implementing NCW (Network Centric Warfare). Combat net radio (CNR) networks are the most important communication infra for the ground forces such as infantry of Army. U.S. Army had developed MIL-STD-188-220D that is the Interoperability Standard for DMTDs (Digital Messages Transfer Device Subsystems) for voice and data communication in CNR. MIL-STD-188-220D is a candidate for MAC protocol of TMMR which is next radio and has a few constraints to used in TMMR. NAD (Network Access Delay) defined in MIL-STD-188-220D needs time synchronization to avoid collision. However, it is difficult for time synchronization to fit in multi-hop environment. We suggest the enhanced DAP (Deterministic Adaptable Priority)-NAD to prevent conflicts and decrease delays in multi-hop CNR. Simulation results show that the proposed scheme improves the performance in multi-hop CNR networks.
Keywords
Combat Net Radio(CNR); MIL-STD-188-220; TMMR; DAP-NAD; Multi-hop;
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