Joint Pilot Design and Uplink Power Allocation in Multi-Cell Massive MIMO Systems [PDF]
IEEE Transactions on Wireless Communications, 2018 This paper considers pilot design to mitigate pilot contamination and provide good service for everyone in multi-cell Massive multiple input multiple output (MIMO) systems. Instead of modeling the pilot design as a combinatorial assignment problem, as in
Björnson, Emil +2 more
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Deterministic Pilot Design and Channel Estimation for Downlink Massive MIMO-OTFS Systems in Presence of the Fractional Doppler [PDF]
IEEE Transactions on Wireless Communications, 2021 Although the combination of the orthogonal time frequency space (OTFS) modulation and the massive multiple-input multiple-output (MIMO) technology can make communication systems perform better in high-mobility scenarios, there are still many challenges ...
D. Shi +6 more
semanticscholar +1 more source
Terahertz Wireless Communications With Flexible Index Modulation Aided Pilot Design [PDF]
IEEE Journal on Selected Areas in Communications, 2021 Terahertz (THz) wireless communication is envisioned as a promising technology, which is capable of providing ultra-high-rate transmission up to Terabit per second.
Tianqi Mao, Zhaocheng Wang
semanticscholar +1 more source
Joint Pilot Design and Channel Estimation Using Deep Residual Learning for Multi-Cell Massive MIMO Under Hardware Impairments [PDF]
IEEE Transactions on Vehicular Technology, 2021 In multi-cell massive multiple-input multiple-output (MIMO) systems, channel estimation is deteriorated by pilot contamination and the effects of pilot contamination become more severe due to hardware impairments.
Byungju Lim +3 more
semanticscholar +1 more source
Pruning the Pilots: Deep Learning-Based Pilot Design and Channel Estimation for MIMO-OFDM Systems [PDF]
IEEE Transactions on Wireless Communications, 2020 With the large number of antennas and subcarriers the overhead due to pilot transmission for channel estimation can be prohibitive in wideband massive multiple-input multiple-output (MIMO) systems.
Mahdi Boloursaz Mashhadi, Deniz Gündüz
semanticscholar +1 more source
Pilot Design and Signal Detection for Symbiotic Radio over OFDM Carriers
Global Communications Conference, 2022 Symbiotic radio (SR) is a promising solution to achieve high spectrum- and energy-efficiency due to its spectrum sharing and low-power consumption properties, in which the secondary system achieves its data transmission by backscattering the signal ...
Hao Chen +3 more
semanticscholar +1 more source
Power Scalable Angle of Arrival Estimation Using Pilot Design With Orthogonal Subsequences
IEEE Open Journal of the Communications Society, 2021 Energy efficient array processing is critical to implement feasible solutions for directional communication in a mmWave channel. MmWave channels are highly susceptible to blockage and require frequent angle of arrival (AoA) estimation.
Mahbuba S. Ullah +2 more
doaj +1 more source
Decoupling Channel Estimation for FDD Massive MIMO Systems Utilizing Joint Sparsity
IEEE Access, 2020 Effective channel estimation for massive multiple-input-multiple-output (MIMO) systems based on frequency division duplex (FDD) protocol is a crucial problem.
Xiangyu Yan +3 more
doaj +1 more source
Glide performance analysis of underwater glider with sweep wings inspired by swift
Frontiers in Marine Science, 2022 Underwater glider (UG) is one of the most promising autonomous observation platforms for long-term ocean observation, which can glide through seawater columns by adjusting its buoyancy and attitude. Hydrodynamic shape, especially the wing parameters, has
Yanhui Wang +8 more
doaj +1 more source
Optimal pilot placement for frequency offset estimation and data detection in burst transmission systems [PDF]
, 2005 In this letter, we address the problem of pilot design for Carrier Frequency Offset (CFO) and data detection in digital burst transmission systems. We consider a quasi-static flat-fading channel.
Ghogho, M., Ying, Y.Q.
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