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首页> 外文期刊>Vehicular Technology Magazine, IEEE >Developing energy-efficient MIMO radios
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Developing energy-efficient MIMO radios

机译:开发节能的MIMO无线电

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Shifting spatial signal processing in multiantenna systems from the digital base band to the RF front-end allows the development of energy efficient (green) MIMO radios. An integrated transceiver using RF-MIMO is designed in 0.25 mum SiGe technology together with a four-element antenna array. Low correlation between the antennas was achieved by using different diversity techniques and by optimizing the array configuration. Moreover, a base band processor with new MIMO algorithms and an 802.11 MAC processor were developed as a system-on-a-chip (SoC) design. The superior performance of the developed MIMO algorithms was demonstrated by Monte Carlo simulations. The size of the complete system was designed for a PCM-CIA card form factor. This allows enhancing 802.11a WLAN with MIMO features and still guaranteeing backward compatibility of the transceiver to the adopted 802.11 standard.
机译:将多天线系统中的空间信号处理从数字基带转移到RF前端,可以开发节能的(绿色)MIMO无线电。采用0.25毫米SiGe技术设计的使用RF-MIMO的集成收发器以及四元件天线阵列。通过使用不同的分集技术和优化阵列配置,可以实现天线之间的低相关性。此外,具有新MIMO算法的基带处理器和802.11 MAC处理器已开发为片上系统(SoC)设计。蒙特卡洛仿真证明了已开发的MIMO算法的卓越性能。整个系统的大小是根据PCM-CIA卡的尺寸设计的。这可以增强具有MIMO功能的802.11a WLAN,并且仍然可以保证收发器与采用的802.11标准向后兼容。

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