Abstract
In this paper, the significance of LTE-Advanced(LTE-A) air-interface monitoring analyzer for LTE-A network construction and optimization are analyzed, and the physical architecture and logical architecture design of the device from the system level are introduced. In order to realize the RF signal acquisition and baseband processing of 4x4 MIMO carrier unit, a wideband receiver design scheme based on AD9361 is proposed, the scheme adopts zero-IF architecture, which has the characteristics of miniaturization, configurability, low power consumption and wideband.Then, the composition of the receiver is introduced in detail, and a digital baseband Multi-Chip Synchronization(MCS) scheme is presented. Finally, the RF receiving performance and MCS function were verified by building a test platform.
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