Zobrazeno 1 - 10
of 203
pro vyhledávání: '"Lisheng Fan"'
Publikováno v:
IEEE Open Journal of the Computer Society, Vol 3, Pp 195-207 (2022)
Metaverse and blockchain, as the latest buzzwords, have attracted great attention from industry and academia. They will inevitably promote technological innovation in the field of building information modeling (BIM) in the future. BIM organizes vario
Externí odkaz:
https://doaj.org/article/0954391977414ce99d953d5f9d1922a0
Publikováno v:
EURASIP Journal on Wireless Communications and Networking, Vol 2018, Iss 1, Pp 1-12 (2018)
Abstract We analyze the downlink multiuser precoding of massive multiple input multiple output (MIMO) system, where the base station (BS) has ideal channel state information (CSI) and adopts three types of different linear precoding schemes, i.e., ma
Externí odkaz:
https://doaj.org/article/70517e1d4445457c9e115651a758bdbf
Publikováno v:
IEEE Access, Vol 6, Pp 1416-1427 (2018)
Content caching at the base stations (BSs) is a promising strategy that can provide improved quality-of-service (QoS) provisioning for content-centric services, and at the same time reduce instantaneous backhaul payload. This paper focuses on the app
Externí odkaz:
https://doaj.org/article/8e6924d0459a42139c60b91f6d5e7621
Publikováno v:
IEEE Access, Vol 6, Pp 5596-5606 (2018)
In this paper, we study an underlay cognitive energy harvesting decode-and-forward (DF) relaying communications system with multiple secondary users (SUs) and a primary destination. By utilizing power splitting receiver, the relay is capable of harve
Externí odkaz:
https://doaj.org/article/1d032de5420545cd831b338ae2d9d10f
Publikováno v:
IEEE Access, Vol 6, Pp 8098-8108 (2018)
Due to the broadcast nature of wireless transmission, traditional wireless two-hop relaying is vulnerable for eavesdroppers to overhear messages. In order to enhance the physical-layer security, this paper studies one cooperative network with caching
Externí odkaz:
https://doaj.org/article/ca68fc020f1043f38088dc3c58eb0cdd
Publikováno v:
IEEE Access, Vol 6, Pp 7123-7133 (2018)
In this paper, we study a cooperative network-coding (NC) media-access control for the two-way two-hop relay network specified with several helpers besides a default relay node. The idle helpers can help forward relay packets. The considered protocol
Externí odkaz:
https://doaj.org/article/07596fac67d54198b5753bdfb5d044c0
Publikováno v:
IEEE Access, Vol 6, Pp 11751-11759 (2018)
This paper investigates the downlink achievable spectral efficiency (SE) and energy efficiency (EE) of massive MIMO for hybrid architectures based on phase shifters, where the base station (BS) has perfect channel state information and baseband proce
Externí odkaz:
https://doaj.org/article/a2998a2e71f34796a84a5fa6d12906e4
Publikováno v:
IEEE Access, Vol 6, Pp 9442-9453 (2018)
We investigate the secrecy rate optimization problem in a wiretap channel with a single-antenna source, a single-antenna eavesdropper, and a multiple-antenna full-duplex (FD) destination. To fully utilize the spatial degrees-of-freedom of multiple an
Externí odkaz:
https://doaj.org/article/8cf9044d9f994dd09cf04e2741462bfa
Publikováno v:
IEEE Access, Vol 6, Pp 12473-12482 (2018)
The heterogeneous network architecture based on control/user (C/U) plane split is a research hot spot in the fifth generation (5G) communication system. This new architecture for the high-speed railway (HSR) communication system can provide high qual
Externí odkaz:
https://doaj.org/article/b6e0d3eaf57b4c958773902f7fb56708
Publikováno v:
IEEE Access, Vol 6, Pp 9926-9935 (2018)
Generalized frequency division multiplexing (GFDM) is a promising candidate for 5G waveforms because of its flexibility to meet the requirements of different scenarios and applications. Compared with the orthogonal frequency division multiplexing, th
Externí odkaz:
https://doaj.org/article/da24d390b85747728bcd4e56207d5313