Low Complexity Sparse Channel Estimation for Wideband mmWave Systems
We consider the problem of channel estimation in hybrid transceiver architectures operating in millimeter wave (mmWave) band. Due to the dynamic features […]
On Approximate Matrix Inversion Methods for Massive MIMO Detectors
Massive multiple-input multiple-output (MIMO) systems have been proposed to meet the user demands in terms of performance and quality of service (QoS). […]
Interference Between 5G Indoor Micro Operators Utilizing Beamforming and Dynamic TDD in 26 GHz Band
Future 5G networks will increasingly target local small cell deployments complementing the coverage of the existing outdoor networks. Moreover, the establishment of […]
Layout optimization techniques for (r_{g}) and, (f_{max}) of Cascode devices for mm wave applications
A common-source cascode device is commonly used in amplifier designs at RF/mmWave frequencies. In addition to intrinsic parasitic components, extrinsic components due […]
K-Means Spreading Factor Allocation for Large-Scale LoRa Networks
Low-power wide-area networks (LPWANs) are emerging rapidly as a fundamental Internet of Things (IoT) technology because of their low-power consumption, long-range connectivity, […]
Single Burst Depth-Resolving Raman Spectrometer Based on a SPAD Array with an On-Chip TDC to Analyse Heterogenous Liquid Samples
A single burst depth-resolving Raman spectrometer based on a CMOS single-photon avalanche diode (SPAD) array with an on-chip 256-channel time-to-digital converter (TDC) […]
Practical Stimulus Design for a Multi-Tone Fit
A multi-tone measurement can be used to characterize the noise and distortion of a device or a system. Such assessment can be […]
Two-Stage Internal DAC Mismatch Mitigation for a Continuous-Time Delta-Sigma ADC
For continuous-time multi-bit Delta-Sigma data converters, mitigating the dynamic mismatch of the multi-bit digital-to-analog converter (DAC) with the so-called ISI-shaping DAC-encoder is […]
Ka-band stacked power amplifier on 22 nm CMOS FDSOI technology utilizing back-gate bias for linearity improvement
This paper presents a method for extending millimeter wave power amplifier (PA) linear range by fine tuning the CMOS SOI device output […]
Optimizing Inductorless Static CML Frequency Dividers up to 23GHz Output Using 45nm CMOS PD-SOI
Two mmWave frequency dividers were designed, manufactured and measured using static current mode logic divider topology on 45nm CMOS PD-SOI technology. Dividers […]