Channel measurements and analysis for very large array systems at 2.6 GHz

Sohail Payami, Fredrik Tufvesson

EngineeringSmart AntennaLarge Array SystemsChannel MeasurementsChannel Characterization +16

Hybrid Beamforming for Large Antenna Arrays With Phase Shifter Selection

Sohail Payami, Mir Ghoraishi, Mehrdad Dianati

IEEE Transactions on Wireless Communications

Phase Shifter NetworkEngineeringSmart AntennaMimo SystemHybrid Beamforming +14

Phase Shifters Versus Switches: An Energy Efficiency Perspective on Hybrid Beamforming

Sohail Payami, Naveen Mysore Balasubramanya, Christos Masouros, +1

IEEE Wireless Communications Letters

Electrical EngineeringMimo SystemEngineeringEnergy EfficiencyMultiuser Mimo +11

Delay spread properties in a measured massive MIMO system at 2.6 GHz

Sohail Payami, Fredrik Tufvesson

Mimo SystemEngineeringDelay Spread PropertiesMimoMultiuser Mimo +11

Effective RF codebook design and channel estimation for millimeter wave communication systems

Sohail Payami, Mehrdad Shariat, Mir Ghoraishi, +1

Channel ModelingWireless CommunicationsMimo SystemMillimeter Wave TechnologyEngineering +13

Developing the First mmWave Fully-Connected Hybrid Beamformer With a Large Antenna Array

Sohail Payami, Mohsen Khalily, Ali Araghi, +4

IEEE Access

Mmwave Hybrid BeamformerWireless CommunicationsEngineeringMicrowave TransmissionEducation +14

Indoor wideband directional millimeter wave channel measurements and analysis at 26 GHz, 32 GHz, and 39 GHz

Mohsen Khalily, Sohail Taheri, Sohail Payami, +2

Transactions on Emerging Telecommunications Technologies

Channel ModelingWireless CommunicationsDirectional ResolutionRms Delay SpreadEngineering +12

Low-Complexity Hybrid Beamforming for Massive MIMO Systems in Frequency-Selective Channels

Sohail Payami, Mathini Sellathurai, Konstantinos Nikitopoulos

IEEE Access

Millimeter-Wave Directional Path Loss Models in the 26 GHz, 32 GHz, and 39 GHz Bands for Small Cell 5G Cellular System

Mohsen Khalily, Mir Ghoraishi, Sona Taheri, +2

Channel ModelingGhz BandsEngineeringSmall Cell Scenarios5G System +9

A Signal Processing Framework for Agile RF Beamforming: From RF-Chain-Free to Hybrid Beamformers

Sohail Payami, Konstantinos Nikitopoulos, Mohsen Khalily, +1

IEEE Transactions on Communications

EngineeringRadio FrequencySignal Processing FrameworkAntennaRf Beamformer +12