Search Results - "Varshney, Ambuj"

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  1. 1

    LiFi for Low-Power and Long-Range RF Backscatter by Mir, Muhammad Sarmad, Guzman, Borja Genoves, Varshney, Ambuj, Giustiniano, Domenico

    Published in IEEE/ACM transactions on networking (01-06-2024)
    “…Light bulbs have been recently explored to design Light Fidelity (LiFi) communication to battery-free tags, thus complementing Radiofrequency (RF) backscatter…”
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    Journal Article
  2. 2

    VoCopilot: Voice-Activated Tracking of Everyday Interactions by Goh, Sheen An, Gulati, Manoj, Varshney, Ambuj

    Published 15-12-2023
    “…Voice plays an important role in our lives by facilitating communication, conveying emotions, and indicating health. Therefore, tracking vocal interactions can…”
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    Journal Article
  3. 3

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

    “…Sensing the motion of physical objects in an environment enables numerous applications, from tracking occupancy in buildings and monitoring vital signs to…”
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    Conference Proceeding
  4. 4

    TunnelSense: Low-power, Non-Contact Sensing using Tunnel Diodes by Thaddeus, Lim Chang Quan, Reddy, C. Rajashekar, Bhadauria, Yuvraj Singh, Shah, Dhairya, Gulati, Manoj, Varshney, Ambuj

    Published 15-05-2024
    “…Sensing the motion of physical objects in an environment enables numerous applications, from tracking occupancy in buildings and monitoring vital signs to…”
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    Journal Article
  5. 5

    Demo Abstract: PixelGen: Rethinking Embedded Camera Systems for Mixed-Reality by Li, Kunjun, Gulati, Manoj, Shah, Dhairya, Waskito, Steven, Chakrabarty, Shantanu, Varshney, Ambuj

    “…A confluence of advances in several fields has led to the emergence of mixed-reality headsets. They can enable us to interact with and visualize our…”
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    Conference Proceeding
  6. 6

    PixelGen: Rethinking Embedded Camera Systems by Li, Kunjun, Gulati, Manoj, Waskito, Steven, Shah, Dhairya, Chakrabarty, Shantanu, Varshney, Ambuj

    Published 04-02-2024
    “…Embedded camera systems are ubiquitous, representing the most widely deployed example of a wireless embedded system. They capture a representation of the world…”
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    Journal Article
  7. 7

    TunnelScatter: Low Power Communication for Sensor Tags using Tunnel Diodes by Varshney, Ambuj, Soleiman, Andreas, Voigt, Thiemo

    Published 13-01-2020
    “…Due to extremely low power consumption, backscatter has become the transmission mechanism of choice for battery-free devices that operate on harvested energy…”
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    Journal Article
  8. 8

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

    “…Tracking movements in the environment of macroscopic objects enables numerous applications, from monitoring vital signs through body movements to inferring…”
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    Conference Proceeding
  9. 9

    Visible Light Communication for Wearable Computing by Varshney, Ambuj, Mottola, Luca, Voigt, Thiemo

    Published 22-03-2018
    “…Visible Light Communication (VLC) is emerging as a means to network computing devices that ameliorates many hurdles of radio-frequency (RF) communications, for…”
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    Journal Article
  10. 10

    Battery-free 802.15.4 receiver by Pérez-Penichet, Carlos, Noda, Claro, Varshney, Ambuj, Voigt, Thiemo

    “…We present the architecture of an 802.15.4 receiver that, for the first time, operates at a few hundred microwatts, enabling new battery-free applications. To…”
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    Conference Proceeding
  11. 11

    Battery-free 802.15.4 receiver: demo abstract by Pérez-Penichet, Carlos, Noda, Claro, Varshney, Ambuj, Voigt, Thiemo

    “…We present the architecture for an 802.15.4 receiver that enables battery-free operation. To reach micro-power consumption, the architecture diverges from that…”
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    Conference Proceeding
  12. 12

    Poster Abstract: LocaLight - A Battery-Free Passive Localization System Using Visible Light by Di Lascio, Elena, Varshney, Ambuj, Voigt, Thiemo, Perez-Penichet, Carlos

    “…Most existing indoor localization systems are battery-powered and use the changes in Radio Frequency (RF) signals to localize objects. In this paper, we…”
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    Conference Proceeding
  13. 13

    Battery-free 802.15. 4 Receiver by Carlos, Pérez-Penichet, Noda, Claro, Varshney, Ambuj, Voigt, Thiemo

    “…We present the architecture of an 802.15.4 receiver that, for the first time, operates at a few hundred microwatts, enabling new battery-free applications. To…”
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    Conference Proceeding
  14. 14

    Demo Abstract: Battery-Free 802.15.4 Receiver by Perez-Penichet, Carlos, Noda, Claro, Varshney, Ambuj, Voigt, Thiemo

    “…We present the architecture for an 802.15.4 receiver that enables battery-free operation. To reach micro-power consumption, the architecture diverges from that…”
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    Conference Proceeding
  15. 15

    Poster Abstract: BouKey: Location-Based Key Sharing Using Visible Light Communication by Hilmia, Abdalah, Hewage, Kasun, Varshney, Ambuj, Rohner, Christian, Voigt, Thiemo

    “…Visible Light Communication (VLC) is an emerging communication channel serving as a complement to traditional wireless communication. Visible light has many…”
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    Conference Proceeding
  16. 16

    Poster Abstract : Directional transmissions and receptions for burst forwarding using disjoint paths by Varshney, Ambuj, Voigt, Thiemo, Mottola, Luca

    “…Bulk data transmission is an important traffic pattern of many sensor network applications. These applications deliver large amounts of sensed data to a sink…”
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    Conference Proceeding
  17. 17

    Bounds on the Lifetime of WSNs by Alonso, Juan M., Voigt, Thiemo, Varshney, Ambuj

    “…Energy is one of the most important resources in wireless sensor networks (WSN). Energy directly translates to lifetime which is an important ingredient of…”
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    Conference Proceeding
  18. 18

    LoRea: A Backscatter Architecture that Achieves a Long Communication Range by Varshney, Ambuj, Harms, Oliver, Penichet, Carlos Perez, Rohner, Christian, Hermans, Frederik, Voigt, Thiemo

    Published 31-10-2016
    “…There is the long-standing assumption that radio communication in the range of hundreds of meters needs to consume mWs of power at the transmitting device. In…”
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    Journal Article
  19. 19

    dRTI: Directional Radio Tomographic Imaging by Wei, Bo, Varshney, Ambuj, Hu, Wen, Patwari, Neal, Voigt, Thiemo, Chou, Chun Tung

    Published 12-02-2014
    “…Radio tomographic imaging (RTI) enables device free localisation of people and objects in many challenging environments and situations. Its basic principle is…”
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    Journal Article