no code implementations • 24 Apr 2024 • Shree Prasad Maruthi, Karrthik G. K., Vijaya Krishna A., Mahbub Hassan, Jinhong Yuan
The use of automotive radars is gaining popularity as a means to enhance a vehicle's sensing capabilities.
no code implementations • 15 Mar 2024 • Junteng Yao, Tuo Wu, Ming Jin, Cunhua Pan, Quanzhong Li, Jinhong Yuan
This paper investigates covert data transmission within a multiple-input multiple-output (MIMO) over-the-air computation (AirComp) network, where sensors transmit data to the access point (AP) while guaranteeing covertness to the warden (Willie).
no code implementations • 13 Nov 2023 • Akram Shafie, Jinhong Yuan, Nan Yang, Hai Lin
Furthermore, we determine the TFA for the recently proposed generalized design of the DDOP.
no code implementations • 12 Nov 2023 • Akram Shafie, Jinhong Yuan, Yuting Fang, Paul Fitzpatrick, Taka Sakurai
We also show that the effective DD domain channel coefficients for OTFS in coexisting systems are influenced by the unequal lengths of the CPs.
no code implementations • 13 Jul 2023 • Ziheng Zhang, Wen Chen, Qingqing Wu, Zhendong Li, Xusheng Zhu, Jinhong Yuan
Drawing inspiration from the advantages of intelligent reflecting surfaces (IRS) in wireless networks, this paper presents a novel design for intelligent omni surface (IOS) enabled integrated sensing and communications (ISAC).
no code implementations • 4 May 2023 • Ziwei Liu, Wen Chen, Zhendong Li, Jinhong Yuan, Qingqing Wu, Kunlun Wang
In this paper, we investigated the downlink transmission problem of a cognitive radio network (CRN) equipped with a novel transmissive reconfigurable intelligent surface (TRIS) transmitter.
no code implementations • 7 Nov 2022 • Cheng Shen, Jinhong Yuan, Hai Lin
In this letter, we investigate error performance of rectangular pulse-shaped orthogonal time frequency space (OTFS) modulation with a practical receiver.
no code implementations • 5 May 2022 • Shaokang Hu, Derrick Wing Kwan Ng, Jinhong Yuan
In this paper, the secure performance of multiuser multiple-input single-output wireless communications systems assisted by a multifunctional active intelligent reflection surface (IRS) is investigated.
no code implementations • 7 May 2021 • Weijie Yuan, Zhiqiang Wei, Shuangyang Li, Jinhong Yuan, Derrick Wing Kwan Ng
Benefiting from the OTFS-ISAC signals, the roadside unit (RSU) is capable of simultaneously transmitting downlink information to the vehicles and estimating the sensing parameters of vehicles, e. g., locations and speeds, based on the reflected echoes.
no code implementations • 21 Jan 2021 • Chong Han, Longfei Yan, Jinhong Yuan
To overcome the short transmission distance and huge propagation loss, ultra-massive (UM) MIMO systems that employ sub-millimeter wavelength antennas array are proposed to enable an enticingly high array gain.
Information Theory Signal Processing Information Theory
no code implementations • 14 Jan 2021 • Zhiqiang Wei, Weijie Yuan, Shuangyang Li, Jinhong Yuan, Derrick Wing Kwan Ng
OTFS channel estimation is first formulated as a one-dimensional (1D) off-grid sparse signal recovery (SSR) problem based on a virtual sampling grid defined in the DD space, where the on-grid and off-grid components of the delay and Doppler shifts are separated for estimation.
Information Theory Information Theory
no code implementations • 11 Jan 2021 • Shuangyang Li, Weijie Yuan, Zhiqiang Wei, Jinhong Yuan
Different from conventional OTFS detection methods, the proposed algorithm applies basic estimation/detection approaches to both the time domain and delay-Doppler (DD) domain and iteratively updates the extrinsic information from two domains with the unitary transformation.
Information Theory Information Theory
no code implementations • 24 Dec 2020 • Min Qiu, Xiaowei Wu, Alexandre Graell i Amat, Jinhong Yuan
In this paper, we study a class of spatially coupled turbo codes, namely partially information- and partially parity-coupled turbo codes.
Information Theory Signal Processing Information Theory
1 code implementation • 1 Dec 2020 • Chang Liu, Xuemeng Liu, Derrick Wing Kwan Ng, Jinhong Yuan
Channel estimation is of great importance in realizing practical intelligent reflecting surface-assisted multi-user communication (IRS-MC) systems.
no code implementations • 23 Nov 2020 • Yan Liu, Yansha Deng, Maged Elkashlan, Arumugam Nallanathan, Jinhong Yuan, Ranjan K. Mallik
In this work, we analyze RACH success probability in a self-powered NB-IoT network taking into account the repeated preamble transmissions and collisions, where each IoT device with data is active when its battery energy is sufficient to support the transmission.
no code implementations • 18 Nov 2020 • Zhitong Ni, J. Andrew Zhang, Xiaojing Huang, Kai Yang, Jinhong Yuan
We first adopt a cross-antenna cross-correlation (CACC) operation to remove the sensing ambiguity associated with both TOs and CFOs.
no code implementations • 10 Nov 2020 • Chang Liu, Xuemeng Liu, Zhiqiang Wei, Derrick Wing Kwan Ng, Jinhong Yuan, Ying-Chang Liang
Existing tag signal detection algorithms inevitably suffer from a high bit error rate (BER) due to the difficulties in estimating the channel state information (CSI).
no code implementations • 11 Sep 2020 • Chang Liu, Zhiqiang Wei, Derrick Wing Kwan Ng, Jinhong Yuan, Ying-Chang Liang
To eliminate the requirement of channel estimation and to improve the system performance, in this paper, we adopt a deep transfer learning (DTL) approach to implicitly extract the features of channel and directly recover tag symbols.
1 code implementation • 3 Sep 2020 • Chang Liu, Xuemeng Liu, Derrick Wing Kwan Ng, Jinhong Yuan
To this end, we first develop a versatile DReL-based channel estimation framework where a deep residual network (DRN)-based MMSE estimator is derived in terms of Bayesian philosophy.
no code implementations • 25 Jun 2020 • Bule Sun, Yiqing Zhou, Jinhong Yuan, Jinglin Shi
To reduce the MSCEE in the finite antenna massive MIMO systems, an interference cancellation based channel estimation for the TSP (IC-TSP) is proposed, where the dominant inter-group data interference is canceled based on BS cooperation.
no code implementations • 13 Jun 2020 • J. Andrew Zhang, Md Lushanur Rahman, Kai Wu, Xiaojing Huang, Y. Jay Guo, Shanzhi Chen, Jinhong Yuan
We then introduce a framework of PMN, including the system platform and infrastructure, three types of sensing operations, and signals usable for sensing.
no code implementations • 24 May 2020 • Shaokang Hu, Zhiqiang Wei, Yuanxin Cai, Derrick Wing Kwan Ng, Jinhong Yuan
This paper investigates multiuser multi-input single-output (MISO) downlink communications assisted by a self-sustainable intelligent reflection surface (IRS), which can harvest power from the received signals.
no code implementations • 15 May 2020 • Weijie Yuan, Fan Liu, Christos Masouros, Jinhong Yuan, Derrick Wing Kwan Ng, Nuria Gonzalez-Prelcic
To accurately estimate the motion parameters of vehicles in real-time, we propose a novel message passing algorithm based on factor graph, which yields near optimal solution to the maximum a posteriori estimation.