Method and apparatus for initial access in wireless communication systems

L Guo, YHL Nam, BL Ng, S Ramakrishna… - US Patent 10,887,143, 2021 - Google Patents
(57) ABSTRACT A base station includes a controller configured to map initial access
signals, each initial access signal corresponding to one of a plurality of transmit beams, to a …

Transmission time interval operation for low latency

W Chen, SA Patel, P Gaal, H Xu - US Patent 10,103,856, 2018 - Google Patents
Methods, systems, and devices for wireless communication are described. A base station
may select, and a user equipment (UE) may identify, an initial symbol of a transmission time …

Legacy compatible primary synchronization signal/secondary synchronization signal design for coverage extended and cost-reduced user equipment

CH Liu, S Yerramalli, T Kadous - US Patent 10,631,261, 2020 - Google Patents
A method, an apparatus, and a computer program product for wireless communication are
provided. The apparatus may receive a primary synchronization signal (PSS) and a …

Transmission of synchronization signals

A Nilsson - US Patent 11,622,338, 2023 - Google Patents
H04B7/0615—Diversity systems; Multi-antenna system, ie transmission or reception using
multiple antennas using two or more spaced independent antennas at the transmitting …

Multi-cell notification zone single frequency network

HD Ly, H Lee, JI Tingfang - US Patent 11,224,002, 2022 - Google Patents
Methods, systems, and devices for wireless communications are described. A user
equipment (UE) may operate in a radio resource control (RRC) inactive state of a …