… ABSTRACT A beam codebook of 5G millimeter wave (… that by performing beam searching
over the codebook, a good … in [27], which is a suboptimal solution since the interaction and …

… In this section, we first give a brief introduction of the codebook-based beam training, which
is … initially has at least a 90% probability of accepting suboptimal solutions. ∅ denotes cooling …

… training process may find the best or relatively suboptimal communication beam pair, the
beamforming gain under the same channel conditions is mainly related to the …

… only considered single RF chain for the beam tracking design. To address the aforementioned
issues, we propose a codebook based beam tracking strategy for mobile mmWave MIMO …

… Therefore, they proposed a scheme for recovering wireless links through sub-optimal paths.
… new codebook design scheme for fast beam searching in millimeter-wave communications[J…

… beam design methods that facilitate the use of power-efficient PAs. Specifically, we design
digital and hybrid analog-digital mmwave beams … sidelobe of the beams and consider both …

… beams, called a codebook, a transmitter-receiver can do a cell-level beam search, which is
also referred to as beam … codebook size will be sub-optimal in terms of the outage probability. …

… Millimeter-wave (mmWave) communications have emerged as a … beam search strategy
[12] founded on multi-resolution … to suboptimal beam selection due to the narrowing search …

… In this study, we analyze the codebook design used for analog beamforming. Analog …
Suboptimal beam search algorithm and codebook design for millimeter-wave communications…

… so as to reduce the beam search space for the future training … transmitting beam is chosen
from a predefined codebook c of … 7The beams found via exhaustive search may be sub-optimal…