Omnidirectional Precoding and Combining Based Synchronization for Millimeter Wave Massive MIMO Systems

28 Oct 2017 Meng Xin Gao Xiqi Xia Xiang-Gen

In this paper, we design the precoding matrices at the base station side and the combining matrices at the user terminal side for initial downlink synchronization in millimeter wave massive multiple-input multiple-output systems. First, we demonstrate two basic requirements for the precoding and combining matrices, including that all the entries therein should have constant amplitude under the implementation architecture constraint, and the average transmission power over the total K time slots taking for synchronization should be constant for any spatial direction... (read more)

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