Bounds on the Lifetime of WSNs. - Juan M. Alonso; Thiemo Voigt; Ambuj Varshney (DCOSS, 2013)

Using Directional Transmissions and Receptions to Reduce Contention in Wireless Sensor Networks. - Ambuj Varshney; Thiemo Voigt; Luca Mottola (REALWSN, 2013)

Directional transmissions and receptions for high throughput burst forwarding. - Ambuj Varshney; Thiemo Voigt; Luca Mottola (SenSys, 2013)

Poster abstract: directional transmissions and receptions for burst forwarding using disjoint paths. - Ambuj Varshney; Thiemo Voigt; Luca Mottola (IPSN, 2014)

dRTI: directional radio tomographic imaging. - Bo Wei 003; Ambuj Varshney; Neal Patwari; Wen Hu 001; Thiemo Voigt; Chun Tung Chou (IPSN, 2015)

Directional Transmissions and Receptions for High-throughput Bulk Forwarding in Wireless Sensor Networks. - Ambuj Varshney; Luca Mottola; Mats Carlsson; Thiemo Voigt (SenSys, 2015)

Poster: Coordination of Wireless Sensor Networks using Visible Light. - Ambuj Varshney; Luca Mottola; Thiemo Voigt (SenSys, 2015)

Do Multiple Bits per Symbol Increase the Throughput of Ambient Backscatter Communications? - Carlos M. Pérez-Penichet; Ambuj Varshney; Frederik Hermans; Christian Rohner; Thiemo Voigt (EWSN, 2016)

Poster Abstract: BouKey: Location-Based Key Sharing Using Visible Light Communication. - Abdalah Hilmia; Kasun Hewage; Ambuj Varshney; Christian Rohner; Thiemo Voigt (IPSN, 2016)

Poster Abstract: LocaLight - A Battery-Free Passive Localization System Using Visible Light. - Elena Di Lascio; Ambuj Varshney; Thiemo Voigt; Carlos M. Pérez-Penichet (IPSN, 2016)

modBulb: a modular light bulb for visible light communication. - Kasun Hewage; Ambuj Varshney; Abdalah Hilmia; Thiemo Voigt (VLCS@MobiCom, 2016)

Passive sensor tags: demo. - Carlos M. Pérez-Penichet; Frederik Hermans; Ambuj Varshney; Thiemo Voigt (MobiCom, 2016)

Augmenting IoT networks with backscatter-enabled passive sensor tags. - Carlos M. Pérez-Penichet; Frederik Hermans; Ambuj Varshney; Thiemo Voigt (HotWireless@MobiCom, 2016)

LoRea: A Backscatter Reader for Everyone! - Ambuj Varshney; Oliver Harms; Carlos M. Pérez-Penichet; Christian Rohner; Frederik Hermans; Thiemo Voigt (CoRR, 2016)

Demo: Battery-free Visible Light Sensing. - Andreas Soleiman; Ambuj Varshney; Luca Mottola; Thiemo Voigt (VLCS@MobiCom, 2017)

Poster: Battery-free Visible Light Sensing. - Andreas Soleiman; Ambuj Varshney; Thiemo Voigt (MobiCom, 2017)

Towards Wide-area Backscatter Networks. - Ambuj Varshney; Carlos M. Pérez-Penichet; Christian Rohner; Thiemo Voigt (HotWireless@MobiCom, 2017)

Battery-free Visible Light Sensing. - Ambuj Varshney; Andreas Soleiman; Luca Mottola; Thiemo Voigt (VLCS@MobiCom, 2017)

Augmenting WSNs with Interoperable 802.15.4 Sensor Tags. - Carlos M. Pérez-Penichet; Claro Noda; Ambuj Varshney; Thiemo Voigt (SenSys, 2017)

LoRea: A Backscatter Architecture that Achieves a Long Communication Range. - Ambuj Varshney; Oliver Harms; Carlos M. Pérez-Penichet; Christian Rohner; Frederik Hermans; Thiemo Voigt (SenSys, 2017)

LoRea: A Backscatter Architecture that Achieves a Long Communication Range. - Ambuj Varshney; Carlos M. Pérez-Penichet; Christian Rohner; Thiemo Voigt (SenSys, 2017)

Connecting Battery-free IoT Tags Using LED Bulbs. - Domenico Giustiniano; Ambuj Varshney; Thiemo Voigt (HotNets, 2018)

Battery-free 802.15.4 receiver: demo abstract. - Carlos M. Pérez-Penichet; Claro Noda; Ambuj Varshney; Thiemo Voigt (IPSN, 2018)

Battery-free 802.15.4 receiver. - Carlos M. Pérez-Penichet; Claro Noda; Ambuj Varshney; Thiemo Voigt (IPSN, 2018)

Security on Harvested Power. - Abdullah Hylamia; Marco Spanghero; Ambuj Varshney; Thiemo Voigt; Panagiotis Papadimitratos (WISEC, 2018)

Towards Battery-free Radio Tomographic Imaging. - Abdullah Hylamia; Ambuj Varshney; Andreas Soleiman; Panagiotis Papadimitratos; Christian Rohner; Thiemo Voigt (WISEC, 2018)

Visible Light Communication for Wearable Computing. - Ambuj Varshney; Luca Mottola; Thiemo Voigt (CoRR, 2018)

TunnelScatter: Low Power Communication for Sensor Tags using Tunnel Diodes. - Ambuj Varshney; Andreas Soleiman; Thiemo Voigt (MobiCom, 2019)

Towards Backscatter-enabled Networked Utensils. - Andreas Soleiman; Ambuj Varshney (MobiSys, 2019)

Backscatter-enabled Polymorphic Light Sensors. - Andreas Soleiman; Ambuj Varshney (MobiSys, 2019)

Position: Wearable Polymorphic Light Sensors. - Ambuj Varshney (WearSys@MobiSys, 2019)

Tunnel emitter: tunnel diode based low-power carrier emitters for backscatter tags. - Ambuj Varshney; Lorenzo Corneo (MobiCom, 2020)

Two to tango: hybrid light and backscatter networks for next billion devices. - Ander Galisteo; Ambuj Varshney; Domenico Giustiniano (MobiSys, 2020)

HarvestPrint: Securing Battery-free Backscatter Tags through Fingerprinting. - Revathy Narayanan; Ambuj Varshney; Panos Papadimitratos (HotNets, 2021)

PassiveLiFi: rethinking LiFi for low-power and long range RF backscatter. - Muhammad Sarmad Mir; Borja Genovés Guzmán; Ambuj Varshney; Domenico Giustiniano (MobiCom, 2021)

Enabling L3: low cost, low complexity and low power radio frequency sensing using tunnel diodes. - Wenqing Yan; Ambuj Varshney (MobiCom, 2022)

Judo: addressing the energy asymmetry of wireless embedded systems through tunnel diode based wireless transmitters. - Ambuj Varshney; Wenqing Yan; Prabal Dutta (MobiSys, 2022)

Making Low-Power and Long-Range Wireless Backscatter Transmitters. - Ambuj Varshney (GetMobile Mob. Comput. Commun., 2022)

Beyond Broadcasting: Revisiting FM Frequency-band for Providing Connectivity to Next Billion Devices. - C. Rajashekar Reddy; Manoj Gulati; Ambuj Varshney (ENSsys@SenSys, 2023)

PassiveLiFi Demonstration: Rethinking LiFi for Low-Power and Long Range RF Backscatter. - Dayrene Frometa Fonseca; Muhammad Sarmad Mir; Borja Genovés Guzmán; Ambuj Varshney; Domenico Giustiniano (MobiCom, 2023)

Going Beyond Backscatter: Rethinking Low-Power Wireless Transmitters using Tunnel Diodes. - Moteen Amin Shah; Adithya Bijoy; Manoj Gulati; Wenqing Yan; Ambuj Varshney (MobiCom, 2023)

Otter: Simplifying Embedded Sensor Data Collection and Analysis using Large Language Models. - Steven Antya Orvala Waskito; Kai Jie Leow; Pramuka Medaranga Sooriya Patabandige; Tejas Gupta; Shantanu Chakrabarty; Manoj Gulati; Ambuj Varshney (MobiCom, 2023)

Poster: VoCopilot: Enabling Voice-Activated Tracking for Everyday Interactions. - Goh Sheen An; Ambuj Varshney (MobiSys, 2023)

Demo: An Educational Platform to Learn Radio Frequency Wireless Communication. - Tobias Mages; Wenqing Yan; Ambuj Varshney; Christian Rohner (MobiSys, 2023)

Poster: Rethinking Embedded Sensor Data Processing and Analysis with Large Language Models. - Pramuka Medaranga Sooriya Patabandige; Steven Antya Orvala Waskito; Kunjun Li; Kai Jie Leow; Shantanu Chakrabarty; Ambuj Varshney (MobiSys, 2023)

Demo Abstract: Light and Vibration Gesture Sensing with OTTER: Embedded Data Collection and Analysis Using LLMs. - Steven Waskito; Kai Jie Leow; Pramuka Medaranga Sooriya Patabandige; Tejas Gupta; Shantanu Chakrabarty; Manoj Gulati; Ambuj Varshney (SenSys, 2023)

TunnelLiFi: Bringing LiFi to Commodity Internet of Things Devices. - Muhammad Sarmad Mir; Wenqing Yan; Prabal Dutta; Domenico Giustiniano; Ambuj Varshney (HotMobile, 2023)

VoCopilot: Voice-Activated Tracking of Everyday Interactions. - Goh Sheen An; Manoj Gulati; Ambuj Varshney (CoRR, 2023)

Poster Abstract: Enabling Non-contact, Low-Power Sensing using Tunnel Diodes. - Yuvraj Singh Bhadauria; Lim Chang Quan Thaddeus; C. Rajashekar Reddy; Manoj Gulati; Dhairya Shah; Ambuj Varshney (IPSN, 2024)

Demo Abstract: PixelGen: Rethinking Embedded Camera Systems for Mixed-Reality. - Kunjun Li; Manoj Gulati; Dhairya Shah; Steven Waskito; Shantanu Chakrabarty; Ambuj Varshney (IPSN, 2024)

Your Data, Your Model: A Framework for Training and Deploying Foundational Language Models for Embedded Devices. - Savitha Viswanadh Kandala; Ambuj Varshney (MobiCom, 2024)

A Framework for Training and Deploying Foundational Language Models for Embedded Sensing. - Savitha Viswanadh Kandala; Ambuj Varshney (MobiCom, 2024)

PixelGen: Rethinking Embedded Cameras for Mixed-Reality. - Kunjun Li; Manoj Gulati; Dhairya Shah; Steven Waskito; Shantanu Chakrabarty; Ambuj Varshney (MobiCom, 2024)

GateHaul: A Gateway Architecture using Backhauling Networks to Address the Connectivity Challenges of Embedded Systems. - Spanddhana Sara; Moteen Amin Shah; Dhairya Shah; C. Rajashekar Reddy; Ambuj Varshney (MobiCom, 2024)

Li-FiAR: Networking Augmented-Reality Devices through Visible Light. - Moteen Amin Shah; Dhairya Shah; Pramuka Medaranga; Ambuj Varshney (MobiCom, 2024)

TunnelSense: Low-Power, Non-Contact Sensing Using Tunnel Diodes. - Lim Chang Quan Thaddeus; C. Rajashekar Reddy; Yuvraj Singh Bhadauria; Dhairya Shah; Manoj Gulati; Ambuj Varshney (RFID, 2024)

POSTER: Simplifying the Networking of Wireless Embedded Systems using a Large Language Model. - Pramuka Medaranga; Dhairya Shah; Savitha Viswanadh Kandala; Ambuj Varshney (SIGCOMM (Posters and Demos), 2024)

PixelGen: Rethinking Embedded Camera Systems. - Kunjun Li; Manoj Gulati; Steven Antya Orvala Waskito; Dhairya Shah; Shantanu Chakrabarty; Ambuj Varshney (CoRR, 2024)

TinyLLM: A Framework for Training and Deploying Language Models at the Edge Computers. - Savitha Viswanadh Kandala; Pramuka Medaranga; Ambuj Varshney (CoRR, 2024)

LiFi for Low-Power and Long-Range RF Backscatter. - Muhammad Sarmad Mir; Borja Genovés Guzmán; Ambuj Varshney; Domenico Giustiniano (IEEE/ACM Trans. Netw., 2024)

AudioCast: Enabling Ubiquitous Connectivity for Embedded Systems through Audio-broadcasting Low-power Tags. - C. Rajashekar Reddy; Dhairya Shah; Nobel Ang; Ambuj Varshney (Proc. ACM Interact. Mob. Wearable Ubiquitous Technol., 2025)