OFDM-MIMO下行系统中联合频率空间资源分配的增强型多用户特征模传输

2012 IEEE 75th Vehicular Technology Conference (VTC Spring) Pub Date : 2012-05-06 DOI:10.1109/VETECS.2012.6240242

Fanglei Sun, Huan Sun, M. You, Tao Yang, Jinhui Chen

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引用次数: 4

摘要

正交频分复用(OFDM)和多输入多输出(MIMO)是LTE/LTE- a等未来无线通信系统采用的两项关键技术。已有许多论文分别对OFDM和MIMO系统的资源分配问题进行了研究。然而，针对频率-空间联合资源分配问题的讨论很少，特别是在特征模式调度层面。在本文中，我们尝试在特征模式选择层面提出一种新的资源分配方案，该方案综合考虑了空间域预编码问题、特征模式调度问题以及跨空间域和频域的功率分配问题。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Enhanced Multiuser Eigenmode Transmission for Joint Frequency-Spatial Resource Allocation in OFDM-MIMO Downlink Systems

Orthogonal frequency-division multiplexing (OFDM) and multiple-input-multiple-output (MIMO) are two key technologies adopted in future wireless communication systems, such as LTE/LTE-A. There are many papers addressed the resource allocation problems for OFDM and MIMO systems independently. However few discussions targets on the joint frequency-spatial resource allocation problem, particularly on eigenmode scheduling level. In this paper, we try to propose novel resource allocation schemes on eigenmode selection level, with the joint consideration of precoding problem in spatial domain, eigenmode scheduling and power allocation cross spatial and frequency domains.

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2012 IEEE 75th Vehicular Technology Conference (VTC Spring)

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