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cs.IT2014★ 1 cited
Achievable Rates and Training Optimization for Uplink Multiuser Massive MIMO Systems
Songtao Lu, Zhengdao Wang
We study the performance of uplink transmission in a large-scale (massive) MIMO system, where all the transmitters have single antennas and the base station has a large number of a…
cs.IT2014
Joint Optimization of Power Allocation and Training Duration for Uplink Multiuser MIMO Communications
Songtao Lu, Zhengdao Wang
In this paper, we consider a multiuser multiple-input multiple-output (MU-MIMO) communication system between a base station equipped with multiple antennas and multiple mobile user…
cs.IT2012
Amplitude Space Sharing among the Macro-Cell and Small-Cell Users
Yafei Tian, Songtao Lu, Chenyang Yang
The crushing demand for wireless data services will soon exceed the capability of the current homogeneous cellular architecture. An emerging solution is to overlay small-cell netwo…