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In millimeter-wave (mmWave) communications, directional transmission based on beamforming is important to compensate for high pathloss. To maintain the desired direction transmission gain, beam scanning that involves the transmitter sending the pilot
Externí odkaz:
http://arxiv.org/abs/2311.01752
Multi-cell cooperation is an effective means to improve service quality to cellular users. Existing work primarily focuses on interference cancellation using all the degrees of freedom (DoF). This leads to low service quality for some users with poor
Externí odkaz:
http://arxiv.org/abs/2306.10890
A dual-hop status update system aided by energy harvesting (EH) relays with finite data and energy buffers is studied in this work. To achieve timely status updates, the best relays should be selected to minimize the average age of information (AoI),
Externí odkaz:
http://arxiv.org/abs/2306.01251
This works explores the correlation between channels in reconfigurable intelligent surface (RIS)-aided communication systems. In this type of system, an RIS made up of many passive elements with adjustable phases reflects the transmitter's signal to
Externí odkaz:
http://arxiv.org/abs/2305.02125
Autor:
Marquese Carter
Publikováno v:
Journal of the Society for American Music. 14:106-108
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0a9fe171453df3352cd7df7a7aaf8454
https://doi.org/10.1017/s1752196319000609
https://doi.org/10.1017/s1752196319000609
Autor:
Wu, Yu-Tse, Liu, Kuang-Hao
This paper considers the reconfigurable intelligent surface (RIS)-assisted multi-user communications, where an RIS is used to assist the base station (BS) for serving multiple users. The RIS consisting of passive reflecting elements can manipulate th
Externí odkaz:
http://arxiv.org/abs/2202.11354
Autor:
Lin, Jia-Yue1, Kuang, Hao-Ming1, Rong, Kuan2, Peng, Li1, Kuang, Jian-Jun2 kuangjj86836@outlook.com, Yan, Xu2 yanxu6347809@outlook.com
Publikováno v:
Journal of Orthopaedic Surgery & Research. 7/5/2024, Vol. 19 Issue 1, p1-10. 10p.
In this paper, we obtain asymptotic expressions for the ergodic capacity of the keyhole multiple-input multiple-output (MIMO) channel at low signal-to-noise ratio (SNR) in independent and identically distributed Nakagami-$m$ fading conditions with pe
Externí odkaz:
http://arxiv.org/abs/2109.01817