Otfs precoding
WebMar 20, 2024 · A key requirement in OTFS transceivers design in signal processing in the DD domain. This talk focuses on the use of deep neural networks (DNNs) for the efficient design of OTFS transceivers. Like in a wide range of fields, deep learning has found application in wireless PHY layer design (e.g., design of channel codes, signal detection, channel … WebExtending the same to OTFS based downlink multi-user massive MIMO systems is challenging due to the requirement for joint demodulation of all information symbols at the user terminal (UT). In this paper, we solve this problem by proposing a novel OTFS based multi-user precoder at the base station (BS) and a corresponding low complexity detector ...
Otfs precoding
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WebApr 6, 2024 · First, this work proposes to use precoding in the reduced-CP OTFS system to pre-cancel the inter-slot-interference so that the BER performance of the OTFS system … WebApr 12, 2024 · Survey of channel estimation method in delay-Doppler domain for OTFS ..... XING Wang, TANG Xiaogang, ZHOU Yiqing, ZHANG Chong, PAN Zhengang[2024224](188) Overview of the statistics of application and funding of ... joint active and passive precoding design[J]. IEEE Transactions on Vehicular Technology, 2024, 69(12): 14960-14973.
Weba given multicarrier waveform with the addition of precoding and post-processing units to the modulator and demodulator. In this paper, we present discrete-time formulation of an OFDM-based OTFS system. We argue against deployment of window functions at the OTFS transmitter in realistic scenarios and thus limit any sort of windowing to the ... WebApr 6, 2024 · This work studies the precoding methods for the reduced cycle-prefix (CP) orthogonal time frequency space (OTFS) modulation to simplify the receiver design. First, …
WebAdaptive Transmission With Frequency-Domain Precoding and Linear Equalization Over Fast Fading Channels Abstract: In this paper, the emerging orthogonal time frequency space (OTFS) modulation is firstly restructured as a precoded orthogonal frequency division multiplexing (OFDM) system, so that the well-established frequency-domain approach can … WebThe structure of OTFS is similar to SP-OFDM, as can be seen in Fig. 4. The main difference is that the spectral precoder and the iterative detector are substituted by the two-dimensional (2D) symplectic Fourier transform and the corresponding inverse transform modules. OTFS maps the symbols in the delay-Doppler domain .
WebJul 14, 2024 · One of them is used for precoding and power allocation, which is a way to combat multi-path interference. The next module does spatial spreading to combat interference after spatial multiplexing. The actual variant of OTFS used in this work is spatially spread orthogonal time frequency space (SS-OTFS).
WebApr 1, 2024 · Two low-complexity precoding algorithms for MU MIMO-OTFS were developed in [54], where the high-dimensional matrix inversion is done by adopting the Woodbury matrix identity, a.k.a, matrix ... how to change tickrate in half life 2WebJun 1, 2024 · However, as a multi-carrier modulation in nature, OTFS is susceptible to the problem of high peak-to-average power ratio (PAPR), especially when the number of … how to change ticketmaster passwordWebJun 30, 2024 · In this paper, a low-complexity OTFS-based hybrid precoding algorithm with rectangular waveforms in mmWave A2G systems is proposed. First, some preliminaries … michaelson \\u0026 austin tva-10WebAbstract: This talk considers the design issues of OTFS in future communication systems. We first brief the principle of OTFS waveform, following with the performance gain analysis. Then from the system design perspective, we introduce the consideration of co-existence of OTFS and OFDM, low PAPR pilot signal design, and MIMO precoding in OTFS. how to change thundurus formWebMar 1, 2024 · The objective of this paper is to develop a low-complexity OTFS-based hybrid precoding algorithm with rectangular waveforms for mmWave A2G communications. We … how to change tickrateWebThis work studies the precoding methods for the reduced cycle-prefix (CP) orthogonal time frequency space (OTFS) modulation to simplify the receiver design. First, a system model is established which shows that there are both intra-slot-interference and inter-slot-interference in the reduced-CP OTFS system. Then, the precoding operation is ... michaelson \u0026 associates hendersonWebAug 1, 2024 · Second, based on the proposed compact model, a joint precoding and equalization method is proposed for the reduced-CP OTFS modulation, which can decomposes the whole reduced-CP OTFS communication system into parallel multiple-input multiple-output (MIMO) subsystems. Hence, the computational complexity can be greatly … how to change tick marks in excel graph