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Indu Prathapan - IEEE Xplore Author Profile
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Indu Prathapan

Publications
7
Citations
219
Publications by Year
20132022
Co-Authors:
Show All Co-Authors (88)
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Indu Prathapan

Affiliation

Texas Instruments, India

Publication Topics

Biography

Indu Prathapan received B.Tech degree from Department of Electronics and Communication Engineering, Calicut University, India in 2001. She joined Texas Instruments, India in 2001 as a digital design engineer. She has since then worked on WLAN PHY, VDSL and FM transceiver baseband designs. Her areas of expertise include low power VLSI design for digital signal processing cores, clock management and DPLLs. She is currently working on low power WiFi solutions in Wireless Connectivity group in TI.(Based on document published on 13 February 2013).
Publications
7
Citations
219
Publications by Year
20132022
Co-Authors:
Show All Co-Authors (88)
Author's Published Works

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Single-Chip 77GHz FMCW Automotive Radar with Integrated Front-End and Digital Processing

Karthik Subburaj;Naveen Narayanan;Anil Mani;Karthik Ramasubramanian;Sujaata Ramalingam;Jasbir Nayyar;Krishnanshu Dandu;Karan Bhatia;Manshul Arora;Sai Jayanthi;Kamesh Vengattaramane;Shailesh Joshi;Arun Koityar;Kavithaa Rajagopalan;Dheeraj Shetty;Ben Thomas;Vashishth Dudhia;John Samuel;Rakesh Raavi;Shankar Ram;Abhishek Karkisaval;Pourush Sood;Sriraj Chellappan;Pankaj Gupta;Abhinav Daga;Bhavani Shankar;Indu Prathapan;Brian Ginsburg

2022 23rd International Radar Symposium (IRS)
Year: 2022 | Conference Paper |
Cited by: Papers (3)
This paper presents a single-chip automotive FMCW radar with integrated mm-wave and digital processing. The chip includes reconfigurable high-performance hardware for flexible waveform generation, interference mitigation, FFT, data compression, target detection and security acceleration, as well as a 76-81GHz FMCW transceiver, programmable 360MHz digital signal processor (DSP) and 300MHz microcont...Show More

Single-Chip 77GHz FMCW Automotive Radar with Integrated Front-End and Digital Processing

Karthik Subburaj;Naveen Narayanan;Anil Mani;Karthik Ramasubramanian;Sujaata Ramalingam;Jasbir Nayyar;Krishnanshu Dandu;Karan Bhatia;Manshul Arora;Sai Jayanthi;Kamesh Vengattaramane;Shailesh Joshi;Arun Koityar;Kavithaa Rajagopalan;Dheeraj Shetty;Ben Thomas;Vashishth Dudhia;John Samuel;Rakesh Raavi;Shankar Ram;Abhishek Karkisaval;Pourush Sood;Sriraj Chellappan;Pankaj Gupta;Abhinav Daga;Bhavani Shankar;Indu Prathapan;Brian Ginsburg

Year: 2022 | Conference Paper |

2.2 High-Performance and Small Form-Factor mm-Wave CMOS Radars for Automotive and Industrial Sensing in 76-to-81GHz and 57-to-64GHz Bands

Krishnanshu Dandu;Sreekiran Samala;Karan Bhatia;Meysam Moallem;Karthik Subburaj;Zeshan Ahmad;Daniel Breen;Sunhwan Jang;Tim Davis;Mayank Singh;Shankar Ram;Vashishth Dudhia;Marc DeWilde;Dheeraj Shetty;John Samuel;Zahir Parkar;Cathy Chi;Pilar Loya;Zachary Crawford;John Herrington;Ross Kulak;Abhinav Daga;Rakesh Raavi;Ravi Teja;Rajesh Veettil;Daniel Khemraj;Indu Prathapan;Prakash Narayanan;Naveen Narayanan;Sangamesh Anandwade;Jasbir Singh;Venkatesh Srinivasan;Neeraj Nayak;Karthik Ramasubramanian;Brian Ginsburg;Vijay Rentala

2021 IEEE International Solid-State Circuits Conference (ISSCC)
Year: 2021 | Conference Paper |
Cited by: Papers (40)
Millimeterwave (mm-Wave) radar sensors operating in the 76-to-81 GHz band are a key component of advanced driver-assistance systems (ADAS) for enhanced automotive safety. The recent entry of CMOS solutions in this space has accelerated development of multi-mode Radars that can support long, medium and short-range applications [1–3]. As ADAS applications evolve to support higher levels of autonomy,...Show More

2.2 High-Performance and Small Form-Factor mm-Wave CMOS Radars for Automotive and Industrial Sensing in 76-to-81GHz and 57-to-64GHz Bands

Krishnanshu Dandu;Sreekiran Samala;Karan Bhatia;Meysam Moallem;Karthik Subburaj;Zeshan Ahmad;Daniel Breen;Sunhwan Jang;Tim Davis;Mayank Singh;Shankar Ram;Vashishth Dudhia;Marc DeWilde;Dheeraj Shetty;John Samuel;Zahir Parkar;Cathy Chi;Pilar Loya;Zachary Crawford;John Herrington;Ross Kulak;Abhinav Daga;Rakesh Raavi;Ravi Teja;Rajesh Veettil;Daniel Khemraj;Indu Prathapan;Prakash Narayanan;Naveen Narayanan;Sangamesh Anandwade;Jasbir Singh;Venkatesh Srinivasan;Neeraj Nayak;Karthik Ramasubramanian;Brian Ginsburg;Vijay Rentala

Year: 2021 | Volume: 64 | Conference Paper |

Monitoring Architecture for a 76-81GHz Radar Front End

Karthik Subburaj;Brian Ginsburg;Pankaj Gupta;Krishnanshu Dandu;Sreekiran Samala;Dan Breen;Karthik Ramasubramanian;Tim Davis;Zahir Parkar;Dheeraj Shetty;Rohit Chatterjee;Zeshan Ahmad;Neeraj Navak;Meysam Moallem;Eunyoung Seok;Karan Bhatia;Shankar Ram Narayanamoorthy;Anjan Prasad Easwaran;Tom Altus;Sriram Murali;Vito Giannini;Indu Prathapan;Sachin Bharadwaj;Sumeer Bhatara;Venkatesh Srinivasan;Sai Gunaranjan;Sundarraian Rangachari

2018 IEEE Radio Frequency Integrated Circuits Symposium (RFIC)
Year: 2018 | Conference Paper |
Cited by: Papers (15)
This paper proposes architectures to comprehensively monitor the functionality of a 76-to-81GHz Frequency Modulated Continuous Wave (FMCW) radar front end, for safety critical automotive applications. These on-chip monitors periodically measure critical performance parameters and internal voltages of the radar transmitters (TX), receivers (RX) and local oscillator (LO), to detect failures in the f...Show More

Monitoring Architecture for a 76-81GHz Radar Front End

Karthik Subburaj;Brian Ginsburg;Pankaj Gupta;Krishnanshu Dandu;Sreekiran Samala;Dan Breen;Karthik Ramasubramanian;Tim Davis;Zahir Parkar;Dheeraj Shetty;Rohit Chatterjee;Zeshan Ahmad;Neeraj Navak;Meysam Moallem;Eunyoung Seok;Karan Bhatia;Shankar Ram Narayanamoorthy;Anjan Prasad Easwaran;Tom Altus;Sriram Murali;Vito Giannini;Indu Prathapan;Sachin Bharadwaj;Sumeer Bhatara;Venkatesh Srinivasan;Sai Gunaranjan;Sundarraian Rangachari

Year: 2018 | Conference Paper |

A multimode 76-to-81GHz automotive radar transceiver with autonomous monitoring

Brian P. Ginsburg;Karthik Subburaj;Sreekiran Samala;Karthik Ramasubramanian;Jasbir Singh;Sumeer Bhatara;Sriram Murali;Dan Breen;Meysam Moallem;Krishnanshu Dandu;Saket Jalan;Neeraj Nayak;Rittu Sachdev;Indu Prathapan;Karan Bhatia;Tim Davis;Eunyoung Seok;Harikrishna Parthasarathy;Rohit Chatterjee;Venkatesh Srinivasan;Vito Giannini;Anil Kumar;Ross Kulak;Shankar Ram;Pankaj Gupta;Zahir Parkar;Sachin Bhardwaj;Y. C. Rakesh;K. A. Rajagopal;Arun Shrimali;Vijay Rentala

2018 IEEE International Solid-State Circuits Conference - (ISSCC)
Year: 2018 | Conference Paper |
Cited by: Papers (145)
Radar is a key sensing technology for advanced driver assistance systems and autonomous vehicles due to its strong detection capability, long range, and robustness to environmental variations such as inclement weather and lighting extremes. As these radars demonstrate increased levels of integration and performance [1,3], it is desired to have a single multimode radar transceiver that can address ...Show More

A multimode 76-to-81GHz automotive radar transceiver with autonomous monitoring

Brian P. Ginsburg;Karthik Subburaj;Sreekiran Samala;Karthik Ramasubramanian;Jasbir Singh;Sumeer Bhatara;Sriram Murali;Dan Breen;Meysam Moallem;Krishnanshu Dandu;Saket Jalan;Neeraj Nayak;Rittu Sachdev;Indu Prathapan;Karan Bhatia;Tim Davis;Eunyoung Seok;Harikrishna Parthasarathy;Rohit Chatterjee;Venkatesh Srinivasan;Vito Giannini;Anil Kumar;Ross Kulak;Shankar Ram;Pankaj Gupta;Zahir Parkar;Sachin Bhardwaj;Y. C. Rakesh;K. A. Rajagopal;Arun Shrimali;Vijay Rentala

Year: 2018 | Conference Paper |

An ultra low power, reconfigurable, multi-standard transceiver using fully digital PLL

Sudipto Chakraborty;Viral Parikh;Swaminathan Sankaran;Tomas Motos;Oddgeir Fikstvedt;Jan-Tore Marienborg;Danielle Griffith;Indu Prathapan;Krishnaswamy Nagaraj;Frank Zhang;Ryan Smith;Walter Budziak;Srividya Sundar;Patrick Cruise

2013 Symposium on VLSI Circuits
Year: 2013 | Conference Paper |
Cited by: Papers (3) | Patents (2)
This paper presents an ultra low power reconfigurable, multi-standard (IEEE802.15.4, BLE, 5Mbps proprietary) ISM2.4GHz band transceiver compliant to FCC, ETSI class 2 and ARIB regulations. It uses a DPLL with counter based area and power efficient re-circulating TDC, current reuse low area DCO, dynamic divider, class-AB PA, and fully integrated LDOs. The RX is reconfigurable between zero-IF/low-IF...Show More

An ultra low power, reconfigurable, multi-standard transceiver using fully digital PLL

Sudipto Chakraborty;Viral Parikh;Swaminathan Sankaran;Tomas Motos;Oddgeir Fikstvedt;Jan-Tore Marienborg;Danielle Griffith;Indu Prathapan;Krishnaswamy Nagaraj;Frank Zhang;Ryan Smith;Walter Budziak;Srividya Sundar;Patrick Cruise

Year: 2013 | Conference Paper |

A 1.9nJ/bit, 5Mbps multi-standard ISM band wireless transmitter using fully digital PLL

Sudipto Chakraborty;Viral Parikh;Swaminathan Sankaran;Tomas Motos;Indu Prathapan;Krishnaswamy Nagaraj;Frank Zhang;Oddgeir Fikstvedt;Ryan Smith;Srividya Sundar;Danielle Griffith;Patrick Cruise

2013 IEEE Radio Frequency Integrated Circuits Symposium (RFIC)
Year: 2013 | Conference Paper |
Cited by: Papers (4) | Patents (1)
This paper presents an energy efficient transmitter for multi-standard applications (IEEE802.15.4, BLE, 5Mbps) in ISM2.4GHz band. It incorporates a fully digital PLL with two point modulation to achieve upto 5Mbps data rate at 9.5mW power consumption (including all power management blocks) at 0dBm output power, leading to 1.9nJ/b efficiency. The proposed digital PLL uses a counter based area and p...Show More

A 1.9nJ/bit, 5Mbps multi-standard ISM band wireless transmitter using fully digital PLL

Sudipto Chakraborty;Viral Parikh;Swaminathan Sankaran;Tomas Motos;Indu Prathapan;Krishnaswamy Nagaraj;Frank Zhang;Oddgeir Fikstvedt;Ryan Smith;Srividya Sundar;Danielle Griffith;Patrick Cruise

Year: 2013 | Conference Paper |

Architectures and Circuit Techniques for Multi-Purpose Digital Phase Lock Loops

Krishnaswamy Nagaraj;Anant S. Kamath;Karthik Subburaj;Biman Chattopadhyay;Gopalkrishna Nayak;Satya Sai Evani;Neeraj P. Nayak;Indu Prathapan;Frank Zhang;Baher Haroun

IEEE Transactions on Circuits and Systems I: Regular Papers
Year: 2013 | Volume: 60, Issue: 3 | Journal Article |
Cited by: Papers (9)
This paper discusses novel architectures and circuit techniques for DPLLs. These include: methods to have a wide temperature range in the digitally controlled oscillator (DCO) for ring-oscillator based DPLLs, re-circulating time to digital converter (TDC) architecture to support a large input phase error range, efficient, modular, divider architectures that provide 50% output duty cycle, while all...Show More

Architectures and Circuit Techniques for Multi-Purpose Digital Phase Lock Loops

Krishnaswamy Nagaraj;Anant S. Kamath;Karthik Subburaj;Biman Chattopadhyay;Gopalkrishna Nayak;Satya Sai Evani;Neeraj P. Nayak;Indu Prathapan;Frank Zhang;Baher Haroun

Year: 2013 | Volume: 60, Issue: 3 | Journal Article |

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