| The Performance Experiments on the Tactical Data Communication over the Legacy Radio Systems |
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Dong-Sub Sim, Kyeong-Sung Kang, Ki-Hyung Kim |
1Operational Computing Center of Air Force Operations Command
2Ajou University |
| 기존 전술 무전기를 이용한 전술 데이터 통신 성능 실험 |
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심동섭, 강경성, 김기형 |
1공군작전전산소
2아주대학교 |
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| Abstract |
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The military has been putting great efforts into applying data communication on existing voice communication systems being used in NCW(Network Centric Warfare). Data communication will be an effective choice in one of many effort to yield a minimum kill chain, comparing to legacy voice communications, when tactical units conduct their missions. However, the required budget will be enormous, in case of the replacement of a lot of legacy communication systems with new one. As a cost-effective alternative, the tactical data communication systems using the conventional radio systems instead of the development of new radio systems has been proposed. It is mandatory, though, to ensure QoS while maintaining data communication by making use of legacy radio systems already in use. This paper focuses on the performance issues experimented and analyzed for tactical data communication through the legacy radio systems as the first step towards guaranteed QoS. We have conducted various experiments such as the transmission error rate on certain tactical messages, performance evaluation of redundant transfers, the relationship between the transmission frame size and rate of error, the identification of error points in the transmission frame, and techniques to reduce the errors in both hopping and non-hopping modes. As a result of the performance experiments, The adaptive communication module which decides the redundant transmission or the Forward Error Correction(FEC) technique by analyzing channel status and current transmission status(hopping/non-hopping) of the legacy radio should be designed. the FEC technique in non-hopping, and the redundant transmission technique in hopping mode was recommended from the result of experiment with the frame size is 20bytes in non-hopping and 10Bytes frame size in hopping mode. |
| Key Words:
Quality of Service(QoS), Ultra Mobile Personal Computer(UMPC), Tactical Air Control Party(TACP), Air Support Operation Center(ASOC), Network Centric Warfare(NCW), Closed Air Support(CAS) |
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