Zobrazeno 1 - 10
of 291
pro vyhledávání: '"orthogonal time frequency space (OTFS)"'
Publikováno v:
Digital Communications and Networks, Vol 10, Iss 4, Pp 948-955 (2024)
In this paper, efficient signal detectors are designed for Orthogonal Time Frequency Space (OTFS) modulation with Index Modulation (IM) systems. Firstly, the Minimum Mean Squared Error (MMSE) based linear equalizer and its corresponding soft-aided de
Externí odkaz:
https://doaj.org/article/7033d883ef0f4f3085515f88d14738b0
Publikováno v:
IEEE Open Journal of the Communications Society, Vol 5, Pp 4483-4518 (2024)
Orthogonal time frequency space (OTFS) modulation is strongly considered as a promising solution for high-mobility communications. In contrast to conventional modulation techniques, wherein information symbols are multiplexed in a one-dimensional tim
Externí odkaz:
https://doaj.org/article/021de4809cb343209e4141e5ce82bc6f
Publikováno v:
Remote Sensing, Vol 16, Iss 17, p 3157 (2024)
Time-varying underwater acoustic (UWA) channels are the key challenge of underwater acoustic communication (UAC). Although UAC exhibits time-variance characteristics significantly in time domains, its delay-Doppler (DD) domain representation tends to
Externí odkaz:
https://doaj.org/article/c88a1a375ea747b683dae11d49be56d6
Autor:
Peng Du, Yuan Zhang
Publikováno v:
IET Communications, Vol 17, Iss 15, Pp 1820-1828 (2023)
Abstract The orthogonal time frequency space (OTFS) modulation is a promising multicarrier waveform which can have good performance in high‐mobility scenarios. Among various receivers designed for the OTFS modulation, the message‐passing (MP) rec
Externí odkaz:
https://doaj.org/article/00da2c63ad0a44f483cc5301513d5dfb
Publikováno v:
Sensors, Vol 24, Iss 13, p 4129 (2024)
Next-generation communication systems demand the integration of sensing, communication, and power transfer (PT) capabilities, requiring high spectral efficiency, energy efficiency, and low cost while also necessitating robustness in high-speed scenar
Externí odkaz:
https://doaj.org/article/719ceb2f987042788c118391752de376
Publikováno v:
IEEE Access, Vol 11, Pp 133059-133069 (2023)
In this paper, we consider an intelligent reflecting surface (IRS)-aided orthogonal time frequency space (OTFS)-based uplink sparse code multiple access (SCMA) communications system. We first conduct performance analysis in terms of pairwise error pr
Externí odkaz:
https://doaj.org/article/71967c2a76e34b75bb7edf978695eb36
Autor:
Gaurav Sharma, A. Arockia Bazil Raj
Publikováno v:
IEEE Access, Vol 11, Pp 66194-66200 (2023)
Synthetic aperture radar (SAR) are exploiting millimeter-wave (mmWave) band for imaging applications. However, with the conventional pulse-width of few tens of microseconds the receive SAR signal experiences intra-pulse Doppler shift in mmWave band w
Externí odkaz:
https://doaj.org/article/f3a74cd0812744b49f40782b899b16bb
Publikováno v:
IEEE Access, Vol 11, Pp 47321-47338 (2023)
Orthogonal time frequency space (OTFS) has emerged as a promising modulation for next-generation wireless systems. This two-dimensional (2D) modulation has the inherent capability of providing uninterrupted connectivity and improved performance in a
Externí odkaz:
https://doaj.org/article/6f5768040c5743e88ea0eb1b38521576
Publikováno v:
IEEE Photonics Journal, Vol 15, Iss 2, Pp 1-7 (2023)
Visible light communication (VLC) has emerged as an eco-friendly and low-cost technology for the next-generation communication systems. However, for VLC systems, existing works report performance degradation due to light-emitting-diode (LED) non-line
Externí odkaz:
https://doaj.org/article/a0c9f5914d5f4b118ab68c2e23feb57d
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