This letter investigates the energy efficiency (EE) of a fluid antenna-enabled clustered uplink wireless sensor network under co-channel interference. A reference sensor cluster is served by a fluid antenna-enabled access point, while neighboring clusters reuse the same uplink resource and generate interference. The AP selects the receive port that maximizes the interference-aware signal-to-interference-plus-noise ratio (SINR) coefficient, and the sensor transmit powers are optimized to maximize EE. For fixed port selection, a closed-form power control solution is derived using fractional programming. A correlation-aware scaling analysis based on an effective independent-port approximation is also provided to explain the EE saturation caused by spatial correlation. Numerical results show that the proposed scheme outperforms benchmark schemes, especially in interference-limited regimes.
Integrated sensing and communication (ISAC) shares spectrum and hardware for radar sensing and wireless communication, while full-duplex (FD) operation enables simultaneous transmission and reception. In this letter, we investigate time-power resource allocation for an FD-ISAC system and develop two schemes: fixed-time...
Jiyoon Noh, Dongmin Kim, Juhyung Lee et al.· IEEE Wireless Communications...· 0 citations
This paper investigates the EE–SE trade-off in a downlink Massive MIMO system with Minimum Mean Square Error (MMSE) channel estimation (CE) and different linear combining and precoding techniques, confirming that MMSE-based CE provides higher spectral efficiency than the MR, ZF, RZF, and S-MMSE schemes, albeit at incre...
Raed S. M. Daraghma· Journal of Low Power Electro...· 0 citations
A measurement-driven system-level evaluation of downlink CF-mMIMO orthogonal frequency-division multiplexing (OFDM) using urban channel measurements indicates the potential of CF-mMIMO under realistic propagation and hardware constraints for 6G wireless deployments under real-world propagation and hardware conditions.
Malek Abida, Eric P. Simon, D. Gaillot et al.· IEEE Open Journal of the Com...· 0 citations
Full-duplex (FD) communication theoretically doubles spectral efficiency. Despite this potential, its practical performance is primarily constrained by severe self-interference (SI) and co-channel interference. Moreover, conventional fixed antenna arrays suffer from limited spatial flexibility, resulting in insufficien...
Xuan-Xuan Li, Xian-Fu Lei, Ming-Jiang Wu et al.· 0 citations
In this paper, we investigate a fluid antenna system (FAS)-assisted downlink mobile embodied AI network (MEAN) over interference channels, where multiple base station (BS)-agent pairs reuse the same spectrum. The BSs employ FASs to improve the communication quality, while the mobile embodied artificial intelligence (AI...
Ruopeng Xu, Zhao-Hui Yang, Jia-Xiang Wang et al.· 0 citations
The results demonstrate the viability of DRL for energy-efficient, fair, and QoS-aware power control in realistic massive MIMO deployments and identify on-policy learning as the better match for the non-stationary dynamics of such networks.
Emad Addin Al-Sharafi· International Journal for Re...· 0 citations
We use cookies to run the site and, with your consent, for analytics and to show ads.
See our Cookie Policy.
