Zobrazeno 1 - 10
of 782
pro vyhledávání: '"Li Shaoqian"'
This paper considers a scenario in which the Terahertz (THz) transmitter equipped with a linear antenna array wishes to focus its beam to a desired spatial region in the array near-field. The goal is to compute the achievable spatial region and deter
Externí odkaz:
http://arxiv.org/abs/2205.10702
Terahertz (THz) communication is considered as an attractive way to overcome the bandwidth bottleneck and satisfy the ever-increasing capacity demand in the future. Due to the high directivity and propagation loss of THz waves, a massive MIMO system
Externí odkaz:
http://arxiv.org/abs/2110.01066
Publikováno v:
In Blood Reviews July 2024 66
Autor:
Ning, Boyu, Tian, Zhongbao, Mei, Weidong, Chen, Zhi, Han, Chong, Li, Shaoqian, Yuan, Jinhong, Zhang, Rui
Terahertz (THz) communications with a frequency band $0.1-10$ THz are envisioned as a promising solution to future high-speed wireless communication. Although with tens of gigahertz available bandwidth, THz signals suffer from severe free-spreading l
Externí odkaz:
http://arxiv.org/abs/2107.03032
Terahertz (THz) communication (0.1-10 THz) is regarded as a promising technology, which provides rich available bandwidth and high data rate of terahertz bit per second (Tbps). However, THz signals suffer from high path loss, which profoundly decreas
Externí odkaz:
http://arxiv.org/abs/2105.11834
Terahertz (THz) communications have emerged as a promising candidate to support the heavy data traffic and exploding network capacity in the future 6G wireless networks. However, THz communications are facing many challenges for practical implementat
Externí odkaz:
http://arxiv.org/abs/2104.02897
Intelligent reflecting surface (IRS) has emerged as an appealing solution to enhance the wireless communication performance by reconfiguring the wireless propagation environment. In this paper, we propose to apply IRS to the physical-layer service in
Externí odkaz:
http://arxiv.org/abs/2011.07822
Publikováno v:
IEEE Internet Of Things Journal, VOL. 8, NO. 6, MARCH 15, 2021, pp. 4389~4402, https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=9207733
Massive machine-type communications (mMTC) is a crucial scenario to support booming Internet of Things (IoTs) applications. In mMTC, although a large number of devices are registered to an access point (AP), very few of them are active with uplink sh
Externí odkaz:
http://arxiv.org/abs/2004.02171
Publikováno v:
EURASIP Journal on Wireless Communications and Networking, Vol 2011, Iss 1, p 785437 (2011)
For multiple-input multiple-output (MIMO) wireless communication system with minimum mean square error (MMSE) detection, a new scheme of power allocation between pilot and data symbols is investigated under MMSE channel estimation in this paper. Firs
Externí odkaz:
https://doaj.org/article/e26aaa11665d49a4ac10d9965c834b73
Publikováno v:
EURASIP Journal on Advances in Signal Processing, Vol 2010, Iss 1, p 305145 (2010)
In this paper, we investigate the cross-layer design of joint channel access and transmission rate adaptation in CR networks with multiple channels for both centralized and decentralized cases. Our target is to maximize the throughput of CR network u
Externí odkaz:
https://doaj.org/article/c910cedc0643452e8b2f3f8d9aafc4aa