TY - GEN
T1 - Fast time synchronization strategy for mitigating collision of initial entry message over Link-16
AU - Ko, Sangsoon
AU - Baek, Hoki
AU - Lim, Jaesung
N1 - Publisher Copyright:
© 2014 IEEE.
PY - 2014/11/13
Y1 - 2014/11/13
N2 - TDL (Tactical Data Link) is a communication technology that can be a base technique to allow all platforms used in the battlefield to communicate with each other. To operate smoothly, synchronizing network time over TDL is necessary. Most TDLs use GPS (Global Positioning System) for time synchronization. GPS is vulnerable to jamming attacks because the power of the GPS signal is low. Link-16 has a GPS independent time synchronization method. This method is performed when new nodes attempt to join a certain network. Synchronized nodes in the network transmit IEM (Initial Entry Message) sent by broadcasting to the same slot. This causes a problem with collisions on the entry node side. If the entry node does not receive the IEM, it waits for another IEM in the next frame to synchronize with a reference node roughly. In this paper, we propose a method to acquire coarse synchronization with a reference node by overhearing messages sent by other nodes. Our proposed method can be used to acquire coarse synchronization instead of IEM when entry nodes cannot receive IEM because of the collision. Simulation results show that the proposed scheme provides lower time for synchronization than Link-16.
AB - TDL (Tactical Data Link) is a communication technology that can be a base technique to allow all platforms used in the battlefield to communicate with each other. To operate smoothly, synchronizing network time over TDL is necessary. Most TDLs use GPS (Global Positioning System) for time synchronization. GPS is vulnerable to jamming attacks because the power of the GPS signal is low. Link-16 has a GPS independent time synchronization method. This method is performed when new nodes attempt to join a certain network. Synchronized nodes in the network transmit IEM (Initial Entry Message) sent by broadcasting to the same slot. This causes a problem with collisions on the entry node side. If the entry node does not receive the IEM, it waits for another IEM in the next frame to synchronize with a reference node roughly. In this paper, we propose a method to acquire coarse synchronization with a reference node by overhearing messages sent by other nodes. Our proposed method can be used to acquire coarse synchronization instead of IEM when entry nodes cannot receive IEM because of the collision. Simulation results show that the proposed scheme provides lower time for synchronization than Link-16.
KW - Coarse Synchronization
KW - Link-16
KW - Time synchronization
UR - http://www.scopus.com/inward/record.url?scp=84912570200&partnerID=8YFLogxK
U2 - 10.1109/MILCOM.2014.127
DO - 10.1109/MILCOM.2014.127
M3 - Conference contribution
AN - SCOPUS:84912570200
T3 - Proceedings - IEEE Military Communications Conference MILCOM
SP - 731
EP - 736
BT - Proceedings - 2014 IEEE Military Communications Conference
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 33rd Annual IEEE Military Communications Conference, MILCOM 2014
Y2 - 6 October 2014 through 8 October 2014
ER -