多天线全双工全数字和混合波束形成无线电

2021 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC) Pub Date : 2021-08-09 DOI:10.1109/APWC52648.2021.9539682

Gavin Megson, Ehsan Aryafar

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引用次数: 1

摘要

下一代无线系统预计将在基站(BSs)上使用大量天线。例如，3GPP已经在其标准规范中包含了对低于6 GHz蜂窝系统的多达128个天线BSs的支持。构建多天线BSs的传统方法是将每个天线单元连接到单独的Tx-Rx射频链(称为愚蠢数字的架构)。然而，可以通过使用相控阵或开关波束天线(称为混合波束形成的架构)将每个射频链连接到天线阵列来降低BS的成本和功耗。

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Many-Antenna Full-Duplex with Fully Digital and Hybrid Beamforming Radios

Next generation wireless systems are expected to use a very large number of antennas at base stations (BSs). For example, the 3GPP has already included support for up to 128 antenna BSs for sub-6 GHz cellular systems in its standard specifications. The traditional approach to build many-antenna BSs is to connect each antenna element to a separate Tx-Rx RF chain (an architecture referred to as folly digital) . However, it is possible to reduce the cost and power consumption of the BS by connecting each RF chain to an array of antennas by using phased arrays or switched beam antennas (an architecture referred to as hybrid beamforming) .

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2021 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC)

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