In this disclosure, methods for antenna combining to meet the pilot requirement of the
massive MIMO system, and apparatuses for the same are provided. In a user equipment …

The disclosure provides a method of transmitting and receiving channel state information
reference signal (CSI-RS) and related apparatuses using the same method. According to …

According to a communication method and a base station that are provided in embodiments
of the present invention, the base station transmits a broad beam that covers a sector of the …

Methods, systems, and devices are described for mapping, by a UE, uplink transmissions to
one or more antennas of the UE. In one aspect, a UE may receive an uplink resource …

The present invention provides a channel measurement method, a channel measurement
apparatus, user equipment. A wireless communications system includes a channel …

The base station, receiving first pilot signals transmitted via each of multiple antennas of a
user equipment (UE), selects one or more reference codebooks based on channel qualities …