Literature Database Entry

roesler2026wi-lo

Sascha Rösler, Anatolij Zubow, Christos Laskos and Falko Dressler, "Wi-Lo++: WiFi-to-LoRa Cross-Technology Communication with Multi-Packet Emulation," IEEE Internet of Things Journal, 2026. (to appear)

Abstract

LoRa was developed for long-range communication in internet of things (IoT) applications, also in the 2.4 GHz ISM band. However, native LoRa support remains limited in mobile devices like smartphones. Cross-technology communication (CTC) addresses this gap by enabling direct over-the-air communication among different communication technologies without requiring additional radio hardware. This work presents Wi-Lo++, a WiFi-to-LoRa CTC mechanism. In contrast to existing WiFi-to-LoRa CTC approaches, it removes the constraint of the maximum packet length of WiFi and therefore can emulate LoRa transmissions with higher spreading factors (SFs). This is achieved by emulating a single LoRa frame through a train of consecutive IEEE 802.11b frames, each emulating only a part of the overall LoRa waveform while preserving symbol-level continuity across packet boundaries. In order to mitigate waveform distortions caused by the variety of immutable WiFi preambles and headers, we shift these distortions into less critical regions of the LoRa waveform. Using a second WiFi interface, these distortions can be further reduced further using overlapping WiFi frames. Experiments using software-defined radio (SDR) for WiFi and COTS LoRa hardware reveal that Wi-Lo++ achieves the same performance as classical LoRa. Finally, a prototype implemented using commercially available off-the-shelf (COTS) WiFi hardware demonstrates the practical feasibility of our approach, achieving an outdoor over-the-air communication range of up to 856 m towards an unmodified LoRa receiver. Our Wi-Lo++ framework is released as open-source for SF<7.

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Sascha Rösler
Anatolij Zubow
Christos Laskos
Falko Dressler

BibTeX reference

@article{roesler2026wi-lo,
    author = {R{\"{o}}sler, Sascha and Zubow, Anatolij and Laskos, Christos and Dressler, Falko},
    note = {to appear},
    title = {{Wi-Lo++: WiFi-to-LoRa Cross-Technology Communication with Multi-Packet Emulation}},
    journal = {IEEE Internet of Things Journal},
    issn = {2327-4662},
    publisher = {IEEE},
    year = {2026},
   }
   
   

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Last modified: 2026-07-21