Zobrazeno 1 - 10
of 250
pro vyhledávání: '"Hlaing Minn"'
Autor:
Hlaing Minn, Zhixuan Fan
Publikováno v:
IEEE Access, Vol 11, Pp 91336-91357 (2023)
Emerging large-scale non-geostationary orbit (NGSO) satellite communication (SatCom) systems with more than thousands of satellites raise a serious concern of radio frequency interference (RFI) to the ground-based radio astronomy system (RAS). This s
Externí odkaz:
https://doaj.org/article/f2e7ed3bbaf04d71a9446fa70a49f30a
Autor:
Ahmed M. Mohamed, Hlaing Minn
Publikováno v:
IEEE Access, Vol 11, Pp 2831-2847 (2023)
This paper considers an integrated mega-constellation non-geostationary orbit satellite system which provides both communication and radio astronomical observation (RAO) services. We focus on RAO data transport from the RAO-conducting satellites (cal
Externí odkaz:
https://doaj.org/article/f932472d869d4f98a144a0ea03754d05
Publikováno v:
IEEE Access, Vol 9, Pp 93954-93966 (2021)
Large-scale non-geostationary orbit (NGSO) satellite communication systems (SCSs) are emerging to play an important role for future global wireless communication. However, downlink transmissions from these mega-constellation SCSs can cause disruptive
Externí odkaz:
https://doaj.org/article/6c1e9bb031954d78830844bd03ffd10a
Autor:
Ahmed M. Mohamed, Hlaing Minn
Publikováno v:
IEEE Open Journal of the Communications Society, Vol 2, Pp 2342-2356 (2021)
An integrated non-geostationary orbit (NGSO) satellite communication and radio astronomy system (SCRAS), was recently proposed in [1] as a new coexistence paradigm. In SCRAS, the transportation of the radio astronomical observation (RAO) data from th
Externí odkaz:
https://doaj.org/article/fcd436525afd456f925249d46621ae8b
Autor:
Ayon Quayum, Hlaing Minn
Publikováno v:
IEEE Open Journal of the Communications Society, Vol 1, Pp 242-262 (2020)
Grant-free access is an attractive approach to enable spectrum-efficient low-latency access for systems with massive number of users. Pilot design plays a crucial role for grant-free access as it needs to provide a large number of access codes with f
Externí odkaz:
https://doaj.org/article/f404812a690e469089b97dfe907a237d
Publikováno v:
IEEE Access, Vol 8, Pp 40559-40572 (2020)
Frame arrival detection is the first crucial task for a digital communication receiver. In this paper, we propose a new frame arrival detection method based on the concept of matched filtering. The proposed training sequence consists of three repeate
Externí odkaz:
https://doaj.org/article/344a66d8efd24dada50f25eeda21afec
Autor:
Mahmoud E. Abdelgelil, Hlaing Minn
Publikováno v:
IEEE Access, Vol 7, Pp 9164-9180 (2019)
Radio frequency interference (RFI) is an important problem for a radio astronomy system (RAS) due to the very weak radio astronomical signals. Rapid expansions of active wireless systems (AWSs), as well as more demands for spectrum access by both AWS
Externí odkaz:
https://doaj.org/article/3b7fe11a1a9b4ed08506ef0687807509
Autor:
Yucheng Dai, Hlaing Minn
Publikováno v:
IEEE Access, Vol 7, Pp 93952-93973 (2019)
Geostationary orbit (GSO) satellite communication systems (SCSs) play an important role in nowadays satellite communication. Orbiting in the Clarke Belt, the GSO satellites provide voice, video, Internet access, and other data services to the users a
Externí odkaz:
https://doaj.org/article/0e7771f45f014cd89adad0661833a515
Autor:
Mahmoud E. Abdelgelil, Hlaing Minn
Publikováno v:
IEEE Access, Vol 6, Pp 11424-11438 (2018)
Radio frequency interference (RFI) has become a critical issue to radio astronomy system (RAS) due to fast-expanding active wireless systems. A recent solution based on a coexistence paradigm offers some RFI-free durations for RAS but further expansi
Externí odkaz:
https://doaj.org/article/fe8f2f4552f445d3aae56ebe847f6275
Publikováno v:
IEEE Access, Vol 6, Pp 51814-51833 (2018)
Tera-Hertz (THz) transmission can offer several attractive applications, yet developing low-cost energy-efficient THz devices is at an early stage. The most promising low-cost THz transmitter architecture in the literature is the so-called frequency-
Externí odkaz:
https://doaj.org/article/5e135dbe6bd146a6821f4974a0eff654