Guanyi Ma

Academic title
Mailing Address
National Astronomical Observatories, Chinese Academy of Sciences 20A Datun Road, Chaoyang District, Beijing, China , 100013

Education and Career History

Ph.D., Beijing Astronomical Observatory, CAS, Beijing, China, 1993.

M.Sc., Graduate School, Northwest Telecommunication Engineering     Institute, Xi'an, China, 1988.

B.E., Department of Electromagnetic field Engineering, Northwest Telecommunication Engineering Institute, Xi'an, China, 1985.


May 2007-present: Professor, Satellite Communication and Navigation group, Applied Astronomy Division, NAOC, CAS.

Aug. 2004-Apr. 2007: Professor, Ionosphere and Radio Propagation Research group, Center for Space Science and Applied Research (CSSAR), Chinese Academy of Sciences. 

Oct. 1995-Mar 2007: Research fellow, Ionosphere and Radio Propagation group, National Institute of Information and Communications Technology.

Dec. 1990-Jul. 1994: Research assistant and Ph. D. candidate, Beijing Astronomical Observatory, Chinese Academy of Sciences, Beijing, China.

Jan. 1988-Dec. 1990: Lecturer, Department of Physics, Xidian University, Xi'an, China.

Research Fields
Guanyi Ma is a Professor and a Chief Scientist of Applied Astronomy National Astronomical Observatories (NAOC), Chinese Academy of Sciences (CAS). She works on satellite navigation and communication, radio physics and space physics.

Selected Publication
Guanyi Ma, Wei Gao, Jinghua Li, Yanhong Chen, Hua Shen (2013), Estimation of GPS instrumental biases from small scale network, J. Adv. Space Res.,

Guan-Yi Ma, Qing-Tao Wan, Tong Gan (2012), Communication-based positioning systems: past, present and prospects, Research in Astronomy and Astrophysics 6 (2012) 601-624.

Jinghua Li, Guanyi Ma, Takashi Maruyama, Zheng Li (2012), Mid-Latitude ionospheric irregularities persisting into late morning during the magnetic storm on 19 March 2001, J. Geophys. Res., doi:10.1029/2012JA017626

Wang M., Ma G., Ma L., Shi H. (2012), A Study on Geometric Feature of Error Ellipsoid in Satellite Positioning Systems, Journal of Astronautics, Vol. 33, No.11 1593-1600 (in Chinese)

Qing-Tao Wan, Guan-Yi Ma (2012) Resource Allocation Scheme for Heterogeneous Services in Amplify-and-Forward OFDM Relay System, J. Applied Sci., 30(1): 7-13 (in Chinese).

Xiao, Zhu; Bai, Jing; Ma, GuanYi; Fan, JiangTao; Yi, KeChu (2012) Research on positioning enhancement scheme of CAPS via UWB pseudolite. Sci China-Phys Mech Astron, 55: 733-?737, doi: 10.1007/s11433-012-4650-8
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