MSAT-X MARECS B2卫星试验:地面段结果

IEEE Global Telecommunications Conference, 1989, and Exhibition. 'Communications Technology for the 1990s and Beyond Pub Date : 1989-11-27 DOI:10.1109/GLOCOM.1989.64068

T. Jedrey, N. Lay, K.I. Dessouky, C. Cheetham, J. Parkyn

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引用次数: 2

摘要

介绍了利用JPL研制的MSAT-X陆地移动卫星通信终端最近完成的卫星试验结果。在本实验中，通过INMARSAT MARECS B2卫星在新泽西州大西洋城和康涅狄格州索斯伯里之间建立了一条全双工4800-b/s数字数据和语音通信链路。进行了一系列实验来表征该链路上的终端性能。给出了基本的实验装置以及语音和数据实验的初步结果。事实证明，卫星环境接近预期，因此实验结果非常接近理论/模拟/实验室实验。研究发现，地对地通信链路比地对空和空对地通信链路更为良性，这反映在地对地通信链路的边际值提高(约为5 dB，而航空通信链路为3.2 dB)上

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The MSAT-X MARECS B2 satellite experiment: ground segment results

The results of a recently completed satellite experiment employing the JPL MSAT-X developed land-mobile satellite communication terminal are described. In this experiment, a full duplex 4800-b/s digital data and voice communication link was established through the INMARSAT MARECS B2 satellite between Atlantic City, New Jersey, and Southbury, Connecticut. A series of experiments was performed to characterize the terminal performance over this link. The basic experimental setup and the preliminary results of the speech and data experiments are presented. The satellite environment proved to be near to what was expected, and as a result the experimental results were very close to theory/simulation/laboratory experiments. It was found that the ground-to-ground communication links were more benign links than the ground-to-air and air-to-ground links, and this is reflected in the improved margins for the ground-to-ground links (approximately 5 dB versus 3.2 dB for the aeronautical links.<>

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来源期刊

IEEE Global Telecommunications Conference, 1989, and Exhibition. 'Communications Technology for the 1990s and Beyond

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