7 papers
Generalized Two-Dimensional Index Modulation in the Code-Spatial Domain for LPWAN
Long Yuan, Wenkun Wen, Junlin Liu +2
Low-power wide-area networks (LPWANs) are crucial for large-scale Internet of Things (IoT) applications, yet they face increasing demands for higher data rates, improved reliabilit…
Air-to-Ground Communications for Internet of Things: UAV-based Coverage Hole Detection and Recovery
Xiao Fan, Wenkun Wen, Peiran Wu +2
Uncrewed aerial vehicles (UAVs) play a pivotal role in ensuring seamless connectivity for Internet of Things (IoT) devices, particularly in scenarios where conventional terrestrial…
Vertical Heterogeneous Networks Beyond 5G: CoMP Coverage Enhancement and Optimization
Tian Shi, Wenkun Wen, Peiran Wu +1
Low-altitude wireless networks are increasingly vital for the low-altitude economy, enabling wireless coverage in high-mobility and hard-to-reach environments. However, providing r…
Hybrid CNN-Transformer Based Sparse Channel Prediction for High-Mobility OTFS Systems
Zhaowei Guan, Wenkun Wen, Peiran Wu +2
High-mobility scenarios in next-generation wireless networks, such as those involving vehicular communications, require ultra-reliable and low-latency communications (URLLC). Howev…
Energy-Efficient Index and Code Index Modulations for Spread CPM Signals in Internet of Things
Long Yuan, Wenkun Wen, Junlin Liu +2
The evolution of Internet of Things technologies is driven by four key demands: ultra-low power consumption, high spectral efficiency, reduced implementation cost, and support for…
A CPFSK Transceiver with Hybrid CSS-DSSS Spreading for LPWAN PHY Communication
Wenkun Wen, Ruiqi Zhang, Peiran Wu +2
Traditional low-power wide-area network (LPWAN) transceivers typically compromise data rates to achieve deep coverage. This paper presents a novel transceiver that achieves high re…