About Us


About Steradian

Steradian is a product based vertically integrated company focusing on 4D Imaging Radars. The product encompasses a state-of-the-art Transceiver with FMCW modulation capability in TSMC 28nm CMOS process and a proprietary Radar Signal processing Software Stack to generate readily integrable point cloud and tracked objects for sensor fusion.

Steradian has developed the world’s most compact 28nm CMOS Milli-meter wave Imaging Radar Chips (SVR4410 and SVR4414) to power our 4D Sensors. The Milli-meter Wave Antenna and Radar Processing Software when combined with this Radar IC enables a complete high performance Imaging Radar solution. Steradian Semiconductors has filed 14 patents (9 granted) covering various aspects of this product. The company has grown steadily and significantly over the last few years. With its strong team of more than 30 engineers, Steradian Semiconductors is bracing to support customers for volume production.

Our Vision

Steradian aims to provide real-time solutions to detect bridges, vehicle-under-the-bridge scenarios and manholes that is not possible with a conventional radar. We aim to provide true elevation, size/shape of the objects in real-time with low false alarm rates.

Our Team

Our founding team are industry experts with 65 patents and 15 IEEE papers.
We have 30+ staff of experienced engineers who aim to revolutionize
the usage if radar in real-time.

Our Team

Gireesh Rajendran

Chief Executive Officer

Gireesh Rajendran is one of the world's most accomplished Radio Product Architects. A winner of the prestigious MIT TR35, he has developed Radio Products from GPS to LTE over the course of the last 20 years. He has defined and executed products which have sold over a billion units. Gireesh holds 40+ patents related to the products he developed for Texas Instruments & Qualcomm where he previously worked.

Our Team

Apu Sivadas

Chief Technical Officer

Apu Sivadas holds a Phd. in milli-meter wave Engineering from Indian Institute of Technology, Kanpur. He has 25 years of experience in Engineering Management spanning various domains from Space Hardware to RF Integrated Circuits. Prior to founding Steradian, he managed RF Design in Texas Instruments. He was also the founding director of RFIC in Qualcomm India. He holds 20+ patents in RFIC & Systems.

Our Team

Ashish Lachhwani

Chief of Business Development

Ashish Lachhwani is a 2004 Institute Silver Medallist from IIT, Madras. He joined Texas Instruments (TI), Wireless Group in 2004 and was instrumental in developing 2 generations of TI low power Bluetooth Radio solutions called SimpleLink. He is a co-author for the book on Ultra-Low-Power Radios published by Springer. Ashish was the Frequency Synthesizer architect of Qualcomm Snapdragon 65x RFIC. He holds 10+ issued patents.

Our Team

Rakesh Kumar

Chief Products Officer

Rakesh Kumar is an alumnus of Delhi College of Engineering and has a proven track record of building lowest area RFIC. Rakesh led the WLAN RF for two generations in Texas Instruments. He was the Receiver lead for Snapdragon 65x RFIC of Qualcomm. He has wide experience in developing complete solutions including Firmware & Systems. He has co-authored 2 IEEE papers and holds 10+ issued US patents.

Our Team

Alok Joshi

VP, Engineering

Alok Joshi graduated from IIT Kharagpur in 2006. He was the Architect for Texas Instruments CC3100 low power WiFi transmit solution for the IoT market. Between 2013-2016, Alok worked for Qualcomm wherein he led the development of up-link Carrier Aggregation. Alok holds 10+ issued US patents. His expertise covers end to end solutions starting from Antennas through Board, Package and RFIC.

Why Steradian ?

Precision Parking or Smart Docking in ports and airports that require manual guidance can be automated using our Imaging Radar, thereby improving parking efficiency at a lower cost. Consumer applications like Gesture recognition bring the power of Radar to consumer products as well.

Our radar signal processing software stack is architected to make use of the available compute platform in the best possible manner, in terms of frames-per-second (fps) and power consumption. The conventional techniques of MIMO Radars (including 4D FFT) require several TFLOPS and are quite impractical with commercially viable off the shelf processors for achieving 1 degree and better angular resolution.

Our patented techniques enable the use of available GPU or DSP platforms (off-the-shelf) for Imaging Radar application while providing >10K points in a single frame. This enables true elevation, size/shape of the objects in real-time with low false alarm rates. The algorithms are tightly knit with the on-PCB antenna arrangement (microstrip) and together deliver the best trade-off for hardware and software at a viable commercial point.

This architecture also opens new possibilities in the data processing engine following the point cloud generation. For some applications, the system demands the point cloud to be clustered, tracked, bifurcate static and dynamic objects and even classify the objects. All these requirements are handled much better by the open-processor approach that we have adopted. Customers are much free to adopt available processors and run the SW stack for various approaches to sensor fusion.

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