A Hu - IEEE Transactions on Vehicular Technology, 2020 - ieeexplore.ieee.org
This paper investigates pilot design and allocation in multi-cell massive multiple-input multiple-output systems with two-tier receiving. As the length of pilot is limited, the pilots …
S Ashrafi - US Patent 10,554,264, 2020 - Google Patents
(57) ABSTRACT A communications system includes a plurality of transmit ting units that each generate a pilot signal modulated using quantum level overlay modulation to apply at …
S Bazzi, W Xu - US Patent 10,666,464, 2020 - Google Patents
Allocation of CSI-RS or CSI pilot sequences among cells in a cooperative manner to reduce pilot inter-cell interference. Sequences in each cell occupy the same time slot, multiple …