… Our main contributions are: • We propose a new pilot design where the pilot signals are …
previous pilot designs are special cases of our proposal. • Based on the proposed pilot design, …

… pilot design and nonorthogonal pilot design. • Achievable rate analysis: The achievable rate
of massive MIMO is typically considered for orthogonal pilots; … of nonorthogonal pilots. This …

… 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…

… To provide an opportunity for more flexible optimization, we propose a pilot design
algorithm that minimizes the pilot contamination for a given pilot sequence length Tp. …

… contamination and improve the system performance, we investigate optimal pilot design
for multicell massive MIMO system aiming at eliminating the pilot contamination. …

… propose a pilot design problem, which optimizes the power allocated to each pilot sequence
… (MSE) of channel estimation for a distributed massive MIMO system. It is a NP-hard problem…

… pilot schemes. We mathematically characterize the impact of hybrid pilot on the massive MIMO
… the hybrid pilot by jointly designing the TM pilot and the TS pilot. It is shown that either TM …

… pilot and data powers as well as the training duration allocation to maximize the sum spectral
e ciency of the Massive MIMO … Finally, applications of Massive MIMO in relay channels are …

… we design a fully-connected layer by compressing the high-dimensional massive MIMO channel
… , where the weights are regarded as the pilot signals. For the reconstruction network, we …

… source of pilot contamination in the literature due to the limitations of coherence time. Given
the … of pilot contamination in massive MIMO systems, we provide an extensive survey on pilot …