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http://dx.doi.org/10.7840/kics.2012.37C.11.1104

Inter-Transmitter Distance-Based Guard Time Control Scheme in Airborne Tactical TDMA Networks with Long Propagation Delay  

Baek, Hoki (아주대학교 일반대학원 컴퓨터공학과)
Lim, Jaesung (아주대학교 일반대학원 컴퓨터공학과)
Koo, Jayeul (아주대학교 일반대학원 NCW학과)
Oh, Ilhyuk (LIG 넥스원 통신연구센터)
Abstract
Airborne tactical networks is used to air-to-air or air-to-ground operation and have a large propagation delay. All nodes share the data by using TDMA-based broadcasting. In airborne tactical networks, each time slot needs the guard time to ensure the broadcasting because the collisions occur due to the large propagation delay. However, the channel utilization of the networks can be greatly degraded due to the waste of guard time. In this paper, we propose Inter-Transmitter Distance-Based TDMA (ID-TDMA) scheme which ensures the broadcasting while improving the channel utilization by reducing the guard time with the inter-transmitter distance information. The proposed scheme shows the effectiveness through the performance evaluation.
Keywords
Airborne Network; TDMA; Broadcasting; Propagation delay; Tactical Data Link;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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