… However, the existing pilot design methods under the MMSE criterion for the Gaussian … pilot
design approach for the Gaussian mixture channel estimation in FDD massive MIMO systems…

… domain pilot design and channel estimation scheme for FDD massive MIMO networks.
Different with the conventional pilot design in LTE, we propose to transmit orthogonal pilots on …

… ; (2) The objective function is in a non-convex fractional form wrt the pilot matrix. In next
section, we will try our best to solve the pilot design problem for the massive MIMO FDD system. …

… in FDD multiuser massive MIMO systems that exploit users’ spatial correlations. With optimized
designs… Sung, and DJ Love, “Pilot beam pattern design for channel estimation in massive …

… Such a design attains around 90 percent of the massive MIMO system performance with …
We have outlined an overall framework for FDD massive MIMO systems that includes the use of …

… We also present an optimal pilot design for the single-user case, and an asymptotic optimal
… estimation in a FDD massive MIMO system, where the BS equipped with a large number of …

… channel estimation method in FDD massive MIMO systems. Table I shows a brief … pilots are
required to distinguish from the M BS antenna elements. To align with orthogonal pilot design …

… TDD and frequency division duplex (FDD) systems. Based on this model, a … /FDD-based
massive MIMO systems was presented. For the pilot design, Chu sequences-based pilot design …

… To the best of our knowledge, this research study is the first work that takes into consideration
the noise covariance in pilot design of the FDD MaMi systems. This paper also focuses on …

… We describe both the pilot design for directional training and estimation of AoD channel
coefficients. For simplicity of presentation, we present the directional training scheme for one …