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Publikováno v:
IEEE Systems Journal. 15:5289-5300
In this article, we investigate the rate-splitting multiple access (RSMA) framework in a multiuser multiple-input single-output (MISO) underlay cognitive radio system with power-splitting secondary users and information secondary users by using simul
Publikováno v:
IEEE Systems Journal. 15:3336-3347
In this article, we investigate a secure uplink multiple-input multiple-output communication system, in which the multiple users transmit information to a legitimate access point (AP) when a passive eavesdropper exists. A secure multiple access metho
Autor:
Ah-Hyoung Lee, Patrick P. Mercier, Lawrence E. Larson, Jiannan Huang, Peter M. Asbeck, Arto V. Nurmikko, Jihun Lee, Stephen J. Shellhammer, Farah Laiwalla, Vincent W. Leung
Publikováno v:
Nature Electronics. 4:604-614
Multichannel electrophysiological sensors and stimulators—particularly those used to study the nervous system—are usually based on monolithic microelectrode arrays. However, the architecture of such arrays limits flexibility in electrode placemen
Autor:
Xiaoyu Song, Kwan-Wu Chin
Publikováno v:
IEEE Internet of Things Journal. 8:12329-12338
This article considers data collection in a wireless-powered Internet-of-Things (IoT) network. Specifically, it addresses the novel problem of determining the mode of each time slot, where a hybrid access point (HAP) needs to decide whether to charge
Publikováno v:
Journal of Communications Technology and Electronics. 66:784-795
New Radio-Unlicensed (NR-U) is a technology that allows fifth generation mobile networks to utilize unlicensed frequency bands, in particular, the 5 GHz band. To increase throughput, an NR-U base station (gNB) can simultaneously operate in several fr
Autor:
Jihwan P. Choi, Seunghwa Jung
Publikováno v:
IEEE Transactions on Aerospace and Electronic Systems. 57:1891-1902
Space missions exploiting small satellite networks with a use of software-defined radio (SDR) and advanced random access (RA) protocols have attracted an increased amount of attentions given their low costs, low latency levels, low complexity, and ye
Publikováno v:
South Asian Research Journal of Engineering and Technology. 3:31-41
Publikováno v:
IEEE Transactions on Industrial Informatics. 17:1069-1078
In this article, we investigate the jointly optimized resource allocation with hybrid multiple access in energy-efficient industrial Internet of Things (IIoT), where some devices (e.g., those for critical control devices) have higher transmission pri
Publikováno v:
IEEE Access, Vol 9, Pp 146137-146152 (2021)
To improve the capacity of cellular systems without additional expenses on licensed frequency bands, the 3GPP consortium has designed cellular technologies that use the unlicensed spectrum. The important peculiarity of the usage models of these techn