机译:FDD多用户大规模MIMO系统的信道估计:基于用户聚类的贪婪方法
KN Toosi Univ Technol Fac Elect Engn 470 Mirdamad Ave West Tehran 19697 Iran;
MIMO communication; compressed sensing; antenna arrays; channel estimation; frequency division multiplexing; protocols; multi-access systems; direction-of-arrival estimation; greedy algorithms; pattern clustering; FDD multiuser massive MIMO systems; greedy approach; user clustering; channel state information; spectral energy efficiency; massive multiple-input multiple-output systems; base station side; downlink channel estimation; CSI feedback; uplink path; frequency-division duplex protocol; data transmission; novel compressed sensing algorithm; estimation error; clustering procedure; uplink signals; BS antenna array; CSI estimation performance; clustering idea;
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