13 citations · 29 across the 25 of their papers we have counts for
13 papers · 1 filter
Ambiguity Function Analysis of OFDM Signals With Pilots and Data Payloads
Jialin Wu, Fan Liu, Ying Zhang +4
Practical orthogonal frequency division multiplexing (OFDM) communication frames contain both deterministic pilots and random data payloads, motivating the joint ambiguity function…
Relativistic Cramér-Rao Bound Scaling for Device-Based and Device-Free Sensing
Fan Liu, Yifeng Xiong, Weijie Yuan +3
This letter investigates range and velocity estimation under relativistic motion for device-based (DB) and device-free (DF) sensing. By deriving the exact time-scaling and time-shi…
SNR-Dependent Mismatched Filtering for Bistatic OFDM Ranging
Ying Zhang, Fan Liu, Yifeng Xiong +3
This paper investigates the ranging performance of a bistatic integrated sensing and communications (ISAC) system employing orthogonal frequency-division multiplexing (OFDM), in wh…
Ambiguity Function Analysis of Pilot-Embedded Random OFDM Signals
Jialin Wu, Fan Liu, Ying Zhang +3
This paper investigates the statistical ambiguity functions (AFs) of orthogonal frequency division multiplexing (OFDM) waveforms that incorporate deterministic unit-modulus pilot s…
Discrete-Periodic Ambiguity Function of Random Communication Signals
Ying Zhang, Fan Liu, Yifeng Xiong +2
This paper investigates the ambiguity function (AF) of communication signals carrying random data payloads, which is a fundamental metric characterizing sensing capability in ISAC…
Probabilistic Constellation Shaping for OFDM ISAC Signals Under Temporal-Frequency Filtering
Zhen Du, Jingjing Xu, Yifeng Xiong +5
Integrated sensing and communications (ISAC) is considered an innovative technology in sixth-generation (6G) wireless networks, where utilizing orthogonal frequency division multip…
Sensing With Random Communication Signals
Shihang Lu, Fan Liu, Yifeng Xiong +6
Communication-centric Integrated Sensing and Communication (ISAC) has been recognized as a promising methodology to implement wireless sensing functionality over existing network a…
Uncovering the Iceberg in the Sea: Fundamentals of Pulse Shaping and Modulation Design for Random ISAC Signals
Fan Liu, Yifeng Xiong, Shihang Lu +5
Integrated Sensing and Communications (ISAC) is expected to play a pivotal role in future 6G networks. To maximize time-frequency resource utilization, 6G ISAC systems must exploit…
Pulse Shaping for Random ISAC Signals: The Ambiguity Function Between Symbols Matters
Zihan Liao, Fan Liu, Shuangyang Li +4
Integrated sensing and communications (ISAC) has emerged as a pivotal enabling technology for next-generation wireless networks. Despite the distinct signal design requirements of…
Improving the Ranging Performance of Random ISAC Signals Through Pulse Shaping Design
Zihan Liao, Fan Liu, Shuangyang Li +3
In this paper, we propose a novel pulse shaping design for single-carrier integrated sensing and communication (ISAC) transmission. Due to the communication information embedded in…
Reshaping the ISAC Tradeoff Under OFDM Signaling: A Probabilistic Constellation Shaping Approach
Zhen Du, Fan Liu, Yifeng Xiong +3
Integrated sensing and communications is regarded as a key enabling technology in the sixth generation networks, where a unified waveform, such as orthogonal frequency division mul…
Communication-Assisted Sensing in 6G Networks
Fuwang Dong, Fan Liu, Shihang Lu +4
Exploring the mutual benefit and reciprocity of sensing and communication (S\&C) functions is fundamental to realizing deeper integration for integrated sensing and communication (…
Probabilistic Constellation Shaping for OFDM-Based ISAC Signaling
Zhen Du, Fan Liu, Yifeng Xiong +5
Integrated Sensing and Communications (ISAC) has garnered significant attention as a promising technology for the upcoming sixth-generation wireless communication systems (6G). In…