Welcome to the IEEE WCNC 2024 Workshop on Delay-Doppler Communications, Sensing, and Their Integration!
Thanks to the success of the 1st workshop held in IEEE WCNC 2023, the 2nd Workshop on Delay-Doppler Communications, Sensing, and Their Integration continuously focuses on the developments on Delay-Doppler (DD) waveforms for communications and sensing. The main scope and topics of this workshop is as follows.
Future wireless networks are envisioned to support ubiquitous connectivity to a wide range of emerging applications operating in hostile environments, spanning from autonomous cars to unmanned aerial/underwater vehicles (UAV/UUV), and low-earth-orbit (LEO) satellites, etc. This requires novel wireless technology to provide highly reliable data transmission and highly robust sensing simultaneously. However, the strong multipath, high delay and Doppler features in those hostile environments can impose great challenges for reliable wireless communications and robust sensing. Consequently, the conventional orthogonal frequency division multiplexing (OFDM) modulation may fail due to the high dynamical channel fluctuations and complex sensing scenarios. The recently proposed orthogonal time frequency space (OTFS) modulation has provided a fundamentally different perspective of waveform design in the delay-Doppler (DD) domain in contrast to the conventional time-frequency (TF) domain designs. The DD domain communications and sensing have shown promising performance over various channels thanks to the intrinsic connections between the two functionalities in the DD domain and its advantages have been widely evident from both academic and industry perspectives.
As a new paradigm, using the DD domain waveforms for communications and sensing will introduce new critical challenges for transceiver architecture and algorithm designs. To fully unleash the potential of DD domain communications and sensing, challenging fundamental research problems and many practical design issues must be addressed, including channel estimation, detection techniques, and multiple antennas and multiple user systems design. This workshop aims to bring together academic and industrial researchers in an effort to identify and discuss the major technical challenges, recent breakthroughs, and new applications related to DD communications, sensing, and ISAC. Topics of interest include but are not limited to:
- Channel measurement and modeling in the DD domain
- Fundamental information theoretical limits for DD signal processing
- DD domain-based localization and tracking
- DD signal processing for transceiver designs
- DD domain channel estimation
- Communication receiver design in the DD domain
- Sensing detector design in the DD domain
- Machine learning/AI enhanced DD communications and sensing
- MIMO and massive MIMO-assisted DD communications
- System-level simulation, prototyping, and field-tests for DD communications and sensing
- Semantics extraction in the DD domain
- Cross-domain frame design and filter design
- Integrated sensing and communications in the DD domain
- DD communications for URLLC
- Security and privacy issues
