Radio frequency beam management and recovery

NU Kundargi, A Nahler, JW McCoy - US Patent 10,951,300, 2021 - Google Patents
(57) ABSTRACT A base station (BS)/user equipment (UE) for performing radio frequency
beam management and recovery in com munication with a UE/BS. The BS/UE includes a …

Wireless communication system that performs beam reporting based on a combination of reference signal receive power and channel state information metrics

NU Kundargi, A Nahler - US Patent 10,841,925, 2020 - Google Patents
A base station receives a report of channel state information (CSI) computation capability
from a UE, configures the UE with X and Y values based on the reported computation …

Wireless communication system that performs measurement based selection of phase tracking reference signal (PTRS) ports

NU Kundargi, A Nahler - US Patent 10,686,572, 2020 - Google Patents
A base station (BS) having a plurality of antennas transmits a plurality of spatial streams.
Each user equipment (UE) of a plurality of UE estimates common phase error (CPE) of each …

Unified and Scalable Frame Structure for OFDM System

PK Liao, XS Li, WJ Chen - US Patent App. 15/593,324, 2017 - Google Patents
A unified frame structure is scalable to meet the 5G new radio requirements, to support
flexible TDD configurations, to support multiple numerologies, and to adapt to the channel …

Radio frequency beam management and failure pre-emption

NU Kundargi, A Nahler, JW McCoy - US Patent 10,567,065, 2020 - Google Patents
(57) ABSTRACT A processor in a UE evaluates a radio frequency beam quality metric
against a threshold, switches from a first beam to a second beam in response to determining …

Wireless communication system that performs beam management using nested reference signals

NU Kundargi, A Nahler - US Patent 10,616,896, 2020 - Google Patents
(57) ABSTRACT A base station radio transceiver transceives beams with a UE. In a first
beam set of wide beam reference signals (RS), each wide beam RS direction is unique, and …

Transmission of Ultra-Reliable Low-Latency Communications (URLLC) over Time Division Duplex (TDD) using a URLLC configuration for a TDD subframe

CP Li, J Jiang, JI Tingfang - US Patent 10,440,729, 2019 - Google Patents
Techniques for transmission of Ultra-Reliable Low-Latency Communications (URLLC) data
over Time Division Duplex (TDD) using a URLLC configuration for a TDD subframe are …

Common phase error (CPE) compensation for frequency division multiplex (FDM) symbols in wireless communication systems

NU Kundargi, A Nahler - US Patent 10,447,513, 2019 - Google Patents
A wireless device receives a frequency division multiplexed (FDM) symbol of constituent
equalized FDM data subcarriers. A modulation scheme constellation diagram is subdivided …

UE-aided channel reciprocity compensation for radio access in MIMO wireless communication systems

NU Kundargi, KF Nieman, J Sung - US Patent 10,447,352, 2019 - Google Patents
A wireless cellular base station (BS) transmitter transmits a downlink calibration pilot symbol.
A receiver receives from a user equipment (UE) an uplink calibration pilot symbol and an …

Intra-node channel reciprocity compensation for radio access in MIMO wireless communication systems

NU Kundargi, KF Nieman, J Sung - US Patent 9,991,938, 2018 - Google Patents
A wireless cellular base station includes M antennas and one or more processing devices.
For each antenna, the antenna transmits a calibration pilot symbol over the air and the other …