Zobrazeno 1 - 10
of 80
pro vyhledávání: '"Daosen Zhai"'
Publikováno v:
Digital Communications and Networks, Vol 10, Iss 1, Pp 25-37 (2024)
Unbalanced traffic distribution in cellular networks results in congestion and degrades spectrum efficiency. To tackle this problem, we propose an Unmanned Aerial Vehicle (UAV)-assisted wireless network in which the UAV acts as an aerial relay to div
Externí odkaz:
https://doaj.org/article/b7175e89eefc4f5c8bf038d23638d9c1
Publikováno v:
IEEE Access, Vol 7, Pp 83343-83353 (2019)
Energy harvesting has been considered as a promising technique to decrease the conventional grid energy expenditure. However, most renewable energy sources are unreliable and random. To overcome these drawbacks, besides the commonly adopted approache
Externí odkaz:
https://doaj.org/article/ab076f033f5546daa66fa324797cb36d
Publikováno v:
IEEE Access, Vol 7, Pp 80870-80883 (2019)
The aerial base stations (ABSs) can be quickly deployed to provide emergency communications and airborne network infrastructures. How to ensure wide coverage, reliable links, and high throughput for ground users under the conditions of limited onboar
Externí odkaz:
https://doaj.org/article/24da382ca314456ab249a8134929f4b4
Publikováno v:
IEEE Access, Vol 7, Pp 168593-168605 (2019)
This paper investigates the application of non-orthogonal multiple access (NOMA) and device-to-device (D2D) into the scenario of massive Machine Type Communications (mMTC). Specifically, we first propose a new NOMA-and-D2D integrated network, where N
Externí odkaz:
https://doaj.org/article/566a7b9ab8504c4b98c830538690d7c9
Publikováno v:
Remote Sensing, Vol 13, Iss 21, p 4286 (2021)
Unmanned aerial vehicle (UAV) and reconfigurable intelligent surface (RIS) methods are promising techniques for improving the energy and spectrum efficiency of Fifth Generation/Beyond Fifth Generation (5G/B5G) networks. In order to take advantage of
Externí odkaz:
https://doaj.org/article/e44c7b5242014ee9b76dfa8a91c02700
Autor:
Daosen Zhai
Publikováno v:
IEEE Access, Vol 5, Pp 23550-23562 (2017)
Sparse code multiple access (SCMA) has been proposed as a candidate air interface (AI) technique for 5G wireless networks. However, the existing resource management schemes with predesigned SCMA codebooks cannot fully exploit user diversities in the
Externí odkaz:
https://doaj.org/article/a17f3daaebc44216946af1952c8acef3
Publikováno v:
Remote Sensing, Vol 13, Iss 8, p 1547 (2021)
In this paper, we propose a mobile edge computing (MEC)-enabled unmanned aerial vehicle (UAV)-assisted vehicular ad hoc network (VANET) architecture, based on which a number of vehicles are served by UAVs equipped with computation resource. Each vehi
Externí odkaz:
https://doaj.org/article/ca6d5fe57f1c4daf9bd3ee3eec89e1a8
Publikováno v:
Applied Sciences, Vol 10, Iss 23, p 8762 (2020)
In this paper, we investigate the relay selection problem for the unmanned aerial vehicle (UAV)-assisted vehicular ad-hoc networks (VANETs). For the considered network, we first model and analyze the link quality of service (LQoS) from the source nod
Externí odkaz:
https://doaj.org/article/a4e6eff75d9b450f84d53a0b9d007200
Publikováno v:
Sensors, Vol 19, Iss 21, p 4742 (2019)
As one of the main applications of the Internet of things (IoT), the vehicular ad-hoc network (VANET) is the core of the intelligent transportation system (ITS). Air−ground integrated vehicular networks (AGIVNs) assisted by unmanned aerial vehicles
Externí odkaz:
https://doaj.org/article/c6e214fb658a4e9a82ee1fdb9d19cea7
Publikováno v:
IEEE Internet of Things Journal. 10:1446-1460
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c19a7de7c3f0a37d825ccf5e10d331b9
https://doi.org/10.1109/jiot.2022.3206424
https://doi.org/10.1109/jiot.2022.3206424