Vishnu Unnikrishnan

Visitor IT rights
Visitor IT rights
T411 Dept. Electronics and Nanoeng
Full researcher profile
https://research.aalto.fi/...

Contact information

Phone number
+358504698272

Publications

High-Precision Time-to-Digital Conversion for Calibration of Outphasing Radio Transmitters

Dhanashree Boopathy, Tze Hin Cheung, Andrei Spelman, Agnimesh Ghosh, Vesa Lampu, Lauri Anttila, Kari Stadius, Marko Kosunen, Jussi Ryynanen, Vishnu Unnikrishnan 2023 21st IEEE Interregional NEWCAS Conference, NEWCAS 2023 - Proceedings

Multilevel Outphasing with Over-the-Air Combining in Large Antenna Arrays

Vesa Lampu, Guixian Xu, Alberto Brihuega, Marko Kosunen, Vishnu Unnikrishnan, Jussi Ryynanen, Christian Fager, Mikko Valkama, Lauri Anttila 2023 IEEE Transactions on Communications

Digital Polar Transmitters for Massive MIMO: Sum-Rate and Power Efficiency Analysis

Guixian Xu, Vesa Lampu, Marko Kosunen, Vishnu Unnikrishnan, Jussi Ryynanen, Mikko Valkama, Lauri Anttila 2023 IEEE Transactions on Wireless Communications

Reconfigurable Signal Processing and DSP Hardware Generator for 5G Transmitters

Agnimesh Ghosh, Andrei Spelman, Tze Hin Cheung, Dhanashree Boopathy, Vishnu Unnikrishnan, Vesa Lampu, Guixian Xu, Lauri Anttila, Kari Stadius, Marko Kosunen, Jussi Ryynänen 2022 2022 IEEE Nordic Circuits and Systems Conference, NORCAS 2022 - Proceedings

Design of Cyclic-Coupled Ring Oscillators with Guaranteed Maximal Phase Resolution

Okko Jarvinen, Vishnu Unnikrishnan, Ilia Kempi, Kari Stadius, Marko Kosunen, Jussi Ryynanen 2022 IEEE International Symposium on Circuits and Systems, ISCAS 2022

Energy-Efficient Cyclic-Coupled Ring Oscillator With Delay-Based Injection Locking

Okko Jarvinen, Vishnu Unnikrishnan, Ilia Kempi, Santeri Porrasmaa, Kari Stadius, Marko Kosunen, Jussi Ryynanen 2022 IEEE Transactions on Circuits and Systems II: Express Briefs

Fully Digital On-Chip Wideband Background Calibration for Channel Mismatches in Time-Interleaved Time-Based ADCs

Okko Jarvinen, Ilia Kempi, Vishnu Unnikrishnan, Kari Stadius, Marko Kosunen, Jussi Ryynänen 2022 IEEE Solid-State Circuits Letters

A 0.9-Nyquist-Band Digital Timing Mismatch Correction for Time-Interleaved ADCs Achieving Delay Tuning Range of 0.12-Sample-Period

Ilia Kempi, Okko Jarvinen, Marko Kosunen, Vishnu Unnikrishnan, Kari Stadius, Jussi Ryynanen 2022 IEEE International Symposium on Circuits and Systems, ISCAS 2022

A 0.8-6 GHz True-Time-Delay Beam-Nulling Receiver Front-End

K. Spoof, M. Tenhunen, V. Unnikrishnan, K. Stadius, M. Kosunen, J. Ryynänen 2022 ICECS 2022 - 29th IEEE International Conference on Electronics, Circuits and Systems, Proceedings

A RECEIVER SYSTEM CONFIGURED TO ALTERNATE BETWEEN DIFFERENT BEAMFORMING TYPES

Kalle Spoof, Miikka Tenhunen, Kari Stadius, Vishnu Unnikrishnan, Marko Kosunen, Jussi Ryynänen 2022