Zobrazeno 1 - 10
of 290
pro vyhledávání: '"Longxiang YANG"'
Publikováno v:
IET Communications, Vol 18, Iss 18, Pp 1231-1243 (2024)
Abstract Traffic volume is increasing dramatically due to the quick development of technologies like online gaming, on‐demand video streaming, and the Internet of Things (IoT). The telecommunications industry's large‐scale expansion is increasing
Externí odkaz:
https://doaj.org/article/ada82824be57487798385097821ec387
Publikováno v:
Sensors, Vol 24, Iss 13, p 4064 (2024)
In this paper, we investigate a cell-free massive multiple-input multiple-output (CF-mMIMO) system with a reconfigurable intelligent surface (RIS) carried by an unmanned aerial vehicle (UAV), called the UAV-RIS. Compared with the RIS located on the g
Externí odkaz:
https://doaj.org/article/c01b96fe7b764c548ee35833b6bcffd1
Publikováno v:
IEEE Access, Vol 11, Pp 43080-43088 (2023)
The leitmotif of this paper aims at providing an architecture for the age of information (AoI) and cache-assisted hybrid multicast/unicast/device-to-device (D2D) transmission with the promising cell-free massive multiple-input multiple-output (MIMO)
Externí odkaz:
https://doaj.org/article/84f92359f72a48e7b577f030d4074624
Publikováno v:
IET Communications, Vol 16, Iss 16, Pp 1889-1900 (2022)
Abstract Here, we investigate the precoding schemes for the downlink data transmission of a time‐division duplex cell‐free massive multiple‐input multiple‐output (MIMO) system with channel aging, which arises from the user mobility. Closed‐
Externí odkaz:
https://doaj.org/article/97d3c38476234e959bacbe63b0d77a71
Publikováno v:
IEEE Access, Vol 10, Pp 115702-115715 (2022)
To fully utilize the scarce spectrum resources, the downlink device-to-device (D2D) underlaid multigroup multicast cell-free massive multi-input multi-output (MIMO) systems is proposed, where the geographically distributed access points (APs) serving
Externí odkaz:
https://doaj.org/article/4272caa019564f2fb128b2fb58fe2109
Publikováno v:
IEEE Access, Vol 8, Pp 42154-42168 (2020)
In this paper, we present the detailed rate analysis for cell-free massive multiple-input multiple-output (MIMO) systems over spatially correlated Rayleigh fading channels. Taking the realistic impairment effects of spatial channel correlation, pilot
Externí odkaz:
https://doaj.org/article/912bfe4f00924372a9f502651c1aacc0
Publikováno v:
IEEE Access, Vol 8, Pp 113078-113089 (2020)
In millimeter wave (mmWave) multiple-input multiple-output (MIMO) systems, the hybrid beamforming architecture has been put forward to reduce the high hardware cost and power consumption, which are resulted from the tremendous requirements of dedicat
Externí odkaz:
https://doaj.org/article/1cedb0b685ea4430bedb7cf75afe9fb9
Autor:
Shuyi Wang, Longxiang Yang
Publikováno v:
Sensors, Vol 22, Iss 23, p 9041 (2022)
Dynamic service orchestration is becoming more and more necessary as IoT and edge computing technologies continue to advance due to the flexibility and diversity of services. With the surge in the number of edge devices and the increase in data volum
Externí odkaz:
https://doaj.org/article/d9e57bd58d1f4cc483fd03cbc32a9b91
Publikováno v:
Tongxin xuebao, Vol 40, Pp 45-53 (2019)
To overcome the problem that previous researches for heterogeneous cloud radio access network (H-CRAN) mainly focus on single macro cell,and only considered the intracell interference in the one macro cell,while the inter cell interferences among dif
Externí odkaz:
https://doaj.org/article/07135284d3254fd79381ca3e373b7089
Publikováno v:
Dianxin kexue, Vol 35, Pp 74-80 (2019)
A novel Kalman prediction and compressed sensing based energy-efficient data gathering scheme was proposed. Specially, in the intra-cluster transmission, the cluster members utilized the Kalman prediction to selectively send the data to their cluster
Externí odkaz:
https://doaj.org/article/ba1a6942d2674c49865c876248f60a61