… In this paper, we develop low-complexity channel estimation and precoding algorithms for a
… channel estimation problem. This formulation captures the sparse nature of the channel, and …

… Moreover, the channel estimation is also rather time consuming due to the large number of
… channel estimation and hybrid precoding approach is proposed. In the channel estimation …

… investigate the channel estimation and hybrid precoding for … based algorithm for channel
estimation as it requires limited … With the estimated channel state information (CSI) as the input…

… In this section, we review prior work on channel estimation and precoder design in … a
frequency selective channel model. Most of prior work on channel estimation at millimeter wave (…

… -resolution channel estimation scheme for mmWave massive MIMO with hybrid precoding. …
], we can achieve superresolution channel estimation, which means substantially improved es…

… and sparse mmWave channel environments. Furthermore, we … ZF precoding with the
proposed channel estimation algorithm … channel estimation and multi-user downlink precoding …

… massive MIMO systems with hybrid precoding. In Sections III, we propose the DLCS channel
estimation scheme. In Section IV, we develop the DLQP hybrid precoder design method. …

… the hybrid combining matrix and the hybrid precoding matrix can be designed off-line before
the channel … 2) We design hybrid precoding matrix and hybrid combining matrix so that the …

… In this letter, we propose a computationally efficient channel estimation algorithm for mm-wave
massive MIMO system with hybrid precoding, which can effectively address the off-grid …

… enabled by the hybrid structure. However, it is just a by-product to show how a codebook
is used for channel estimation in this paper, which focuses on the codebook design. …