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Golden Codes for Dual Polarized MIMO-OFDM Transmissions in Hybrid Satellite/Terrestrial Mobile Systems

机译:混合卫星/地面移动系统中双极化MIMO-OFDM传输的黄金代码

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This paper discusses the performance of Golden codes in a hybrid satellite/terrestrial system framework employing dual polarized MIMO-OFDM transmissions. Although the use of Golden codes in satellite and terrestrial scenarios has been studied independently, a realistic performance assessment must involve both components taking into account the relative delay between their reception. In fact, this work exploits the relative delay to create a multipath scenario and further improve the coding gain of the Golden codes, which is otherwise fixed. This is made possible by utilizing the Golden code in a Space-Frequency coding framework instead of the traditional Space-Time paradigm. The separation between the subcarriers constituting a Golden code is shown to be central to the coding gain enhancement and an algorithm to choose this separation is provided.
机译:本文讨论了采用双极化MIMO-OFDM传输的混合卫星/地面系统框架中Golden码的性能。尽管已经独立研究了在卫星和地面场景中使用黄金代码的情况,但实际的性能评估必须同时考虑两个组件之间的相对延迟,并同时考虑这两个组件。实际上,这项工作利用了相对延迟来创建多径方案,并进一步提高了黄金码的编码增益,而该增益在其他情况下是固定的。通过在空频编码框架中使用黄金代码而不是传统的空时范式,可以做到这一点。示出了构成黄金码的子载波之间的间隔对于编码增益增强是至关重要的,并且提供了选择该间隔的算法。

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