Enabling Agile Ambient IoT Networking via a Parameterized Hybrid Radio
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arXiv
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| Autores principales: | , , , , , , , , , , |
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| Formato: | Preprint |
| Publicado: |
2026
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| Materias: | |
| Acceso en línea: | |
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| _version_ | 1866911694072053760 |
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| author | Lei, Jiazhen Zhu, Fengyuan Cao, Tianze Sha, Yuxin Zhong, Linling Li, Wenhui Wang, Bingbing Yang, Zeming Sun, Jinyang Deng, Yibin Tian, Xiaohua |
| author_facet | Lei, Jiazhen Zhu, Fengyuan Cao, Tianze Sha, Yuxin Zhong, Linling Li, Wenhui Wang, Bingbing Yang, Zeming Sun, Jinyang Deng, Yibin Tian, Xiaohua |
| contents | The emergence of Ambient IoT signals a paradigm shift toward massive batteryless networking. However, the absence of an agile physical layer substrate remains a fundamental barrier to research and standardization. Current testbeds are hindered by decoupled radio paths, high static power, and cumbersome control methods, which stifle rapid protocol prototyping. In this paper, we present Janus, the first hybrid active-passive configurable radio architected for agile Ambient IoT networking. Janus introduces a parameterized architecture that unifies passive and active transmission into a single RF front end, abstracting complex physical layer behaviors into concise parameters. This design enables a system-level control plane for dynamic mode transitions and an energy management plane for fine-grained harvesting across multiple sources. We implement a compact PCB prototype and evaluate its performance across diverse protocol landscapes, including 3GPP A-IoT, IEEE 802.11 AMP, and Bluetooth SIG. Our experimental results demonstrate that Janus achieves communication performance on par with dedicated radios while significantly reducing configuration overhead. Ultimately, Janus serves as a versatile enabler for validating emerging protocols and accelerating the standardization of next-generation low-power networks. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2605_18314 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Enabling Agile Ambient IoT Networking via a Parameterized Hybrid Radio Lei, Jiazhen Zhu, Fengyuan Cao, Tianze Sha, Yuxin Zhong, Linling Li, Wenhui Wang, Bingbing Yang, Zeming Sun, Jinyang Deng, Yibin Tian, Xiaohua Networking and Internet Architecture Hardware Architecture The emergence of Ambient IoT signals a paradigm shift toward massive batteryless networking. However, the absence of an agile physical layer substrate remains a fundamental barrier to research and standardization. Current testbeds are hindered by decoupled radio paths, high static power, and cumbersome control methods, which stifle rapid protocol prototyping. In this paper, we present Janus, the first hybrid active-passive configurable radio architected for agile Ambient IoT networking. Janus introduces a parameterized architecture that unifies passive and active transmission into a single RF front end, abstracting complex physical layer behaviors into concise parameters. This design enables a system-level control plane for dynamic mode transitions and an energy management plane for fine-grained harvesting across multiple sources. We implement a compact PCB prototype and evaluate its performance across diverse protocol landscapes, including 3GPP A-IoT, IEEE 802.11 AMP, and Bluetooth SIG. Our experimental results demonstrate that Janus achieves communication performance on par with dedicated radios while significantly reducing configuration overhead. Ultimately, Janus serves as a versatile enabler for validating emerging protocols and accelerating the standardization of next-generation low-power networks. |
| title | Enabling Agile Ambient IoT Networking via a Parameterized Hybrid Radio |
| topic | Networking and Internet Architecture Hardware Architecture |
| url | https://arxiv.org/abs/2605.18314 |