In VHF air/ground communication systems, the radio-line-of-sight (RLOS) between a ground station and an aircraft must exist. An aircraft at a certain altitude may be interfered by those signals from an over-horizontal stations using the same frequency band. A simple frequency management method is proposed in this paper to solve this problem and to get the efficient frequency-reuse to alleviate the frequency congestion in the air traffic control (ATC), flight services and mobile communication services. We apply the concept of the terrestrial mobile cellular system to design the 3D cellular system and find the capacities of systems with different access schemes, such as FDMA (interference free), TDMA, and CDMA.
|出版狀態||Published - 1994 十二月 1|
|事件||Proceedings of the 1994 3rd Annual International Conference on Universal Personal Communications - San Diego, CA, USA|
持續時間: 1994 九月 27 → 1994 十月 1
|Other||Proceedings of the 1994 3rd Annual International Conference on Universal Personal Communications|
|城市||San Diego, CA, USA|
|期間||94-09-27 → 94-10-01|
All Science Journal Classification (ASJC) codes