13 papers
OAMP-Aided Joint Channel Estimation and Data Detection for ODDM Systems
Kehan Huang, Min Qiu, Akram Shafie +1
In this work, to address the challenge of joint channel estimation and data detection (JED) for orthogonal delay-Doppler (DD) division multiplexing (ODDM) in doubly selective chann…
Design of APSK Constellations Approaching the Communication-Sensing Pareto Boundary for ISAC
Yujie Shao, Min Qiu, Ming-Chun Lee +2
We propose a semi-analytical design framework for amplitude phase shift keying (APSK) signaling for integrated sensing and communication (ISAC), focusing on i.i.d. uniform discrete…
Channel Estimation with Hierarchical Sparse Bayesian Learning for ODDM Systems
Jiasong Han, Xuehan Wang, Jingbo Tan +4
Orthogonal delay-Doppler division multiplexing (ODDM) is a promising modulation technique for reliable communications in high-mobility scenarios. However, the existing channel esti…
A Novel ISAC Waveform Based on Orthogonal Delay-Doppler Division Multiplexing with FMCW
Kehan Huang, Akram Shafie, Min Qiu +2
In this work, we propose the orthogonal delay-Doppler (DD) division multiplexing (ODDM) modulation with frequency modulated continuous wave (FMCW) (ODDM-FMCW) waveform to enable in…
Achieving Full Multipath Diversity by Random Constellation Rotation: a Theoretical Perspective
Xuehan Wang, Jinhong Yuan, Jintao Wang +1
Diversity is an essential concept associated with communication reliability in multipath channels since it determines the slope of bit error rate performance in the medium to high…
Half Spatially Coupled Turbo-Like Codes
Xiaowei Wu, Lei Yang, Min Qiu +2
This paper presents a new class of spatially coupled turbo-like codes (SC-TCs), namely half spatially coupled braided convolutional codes (HSC-BCCs) and half spatially coupled para…
Scaling Law Tradeoff Between Throughput and Sensing Distance in Large ISAC Networks
Min Qiu, Ming-Chun Lee, Yu-Chih Huang +1
In this paper, we investigate the fundamental tradeoff between communication and sensing performance of \emph{ad hoc} integrated sensing and communication (ISAC) wireless networks.…
Parallel Coding for Orthogonal Delay-Doppler Division Multiplexing
Qi Li, Jinhong Yuan, Min Qiu
This paper proposes a novel parallel coding transmission strategy and an iterative detection and decoding receiver signal processing technique for orthogonal delay-Doppler division…
Orthogonal Delay-Doppler Division Multiplexing Modulation with Hierarchical Mode-Based Index Modulation
Kehan Huang, Min Qiu, Jinhong Yuan
The orthogonal time frequency space with index modulation (OTFS-IM) offers flexible tradeoffs between spectral efficiency (SE) and bit error rate (BER) in doubly selective fading c…
Uplink Multiple Access with Heterogeneous Blocklength and Reliability Constraints: Discrete Signaling with Treating Interference as Noise
Min Qiu, Yu-Chih Huang, Jinhong Yuan
We consider the uplink multiple access of heterogeneous users, e.g., ultra-reliable low-latency communications (URLLC) and enhanced mobile broadband (eMBB) users. Each user has its…
Performance of orthogonal delay-doppler division multiplexing modulation with imperfect channel estimation
Kehan Huang, Min Qiu, Jun Tong +2
The orthogonal delay-Doppler division multiplexing (ODDM) modulation is a recently proposed multi-carrier modulation that features a realizable pulse orthogonal with respect to the…
Low Complexity Turbo SIC-MMSE Detection for Orthogonal Time Frequency Space Modulation
Qi Li, Jinhong Yuan, Min Qiu +2
Recently, orthogonal time frequency space (OTFS) modulation has garnered considerable attention due to its robustness against doubly-selective wireless channels. In this paper, we…
Multiple Access Techniques for Intelligent and Multi-Functional 6G: Tutorial, Survey, and Outlook
Bruno Clerckx, Yijie Mao, Zhaohui Yang +7
Multiple access (MA) is a crucial part of any wireless system and refers to techniques that make use of the resource dimensions to serve multiple users/devices/machines/services, i…