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首页> 外文会议>IEEE International Symposium on Broadband Multimedia Systems and Broadcasting >Mobile Satellite Broadcasting with Angle Diversity -Performance Evaluation based on Measurements
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Mobile Satellite Broadcasting with Angle Diversity -Performance Evaluation based on Measurements

机译：基于测量的角度分集的移动卫星广播

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摘要

This paper focuses on the achievable angle diversity gain in mobile satellite broadcasting in various environments. Multiple satellite signals within the S-band were recorded simultaneously along the east coast of the U.S. over a traveling distance of 3700 km. The first-order statistical data analysis shoves that the required C/N margin for a certain service availability can be significantly decreased by combining two satellite signals. Depending on their elevation angles, the diversity combining gain is analyzed in terms of cumulative distribution functions (CDFs) for various environments. The results for angle diversity are compared to time diversity using an interleaver of variable length. Combining angle diversity and time interleaving results in a further improvement of the service availability.
机译：本文侧重于各种环境中移动卫星广播中可实现的角度分集增益。 S波段内的多个卫星信号沿着美国东海岸同时记录。超过3700公里的旅行距离。通过组合两个卫星信号，可以显着降低一阶统计数据分析，所以通过组合两个卫星信号可以显着降低所需的C / N裕度。根据其高度角度，根据各种环境的累积分发功能（CDF）来分析分集组合增益。使用可变长度的交织器比较角度分集的结果。结合角度分集和时间交织导致服务可用性的进一步提高。

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