scholarly journals Joint Training of the Superimposed Direct and Reflected Links in Reconfigurable Intelligent Surface Assisted Multiuser Communications

Author(s):  
Jiancheng An ◽  
Chao Xu ◽  
Li Wang ◽  
Yusha Liu ◽  
Lu Gan ◽  
...  
2020 ◽  
Vol 26 (2) ◽  
pp. 141-144
Author(s):  
Atanas Brandev

AbstractUsed by undercover agents in detecting and documenting crimes committed by the so-called. ‘Organized crime groups’ is a relatively poorly used but extremely effective method. The latter is a combination of criminal procedure and special laws and regulations. The full use of undercover agents requires further enhancement of the legal safeguards for the protection of the employees in question, as well as a clear distinction between acts performed by the employees in question, whether or not in connection with their undercover activities, with or without the implementation of different composition of crime. Attention should be paid to the mechanisms for the selection and joint training of the latter, including through the exchange of experience of EU partner services.


2020 ◽  
Author(s):  
Cunhang Fan ◽  
Jianhua Tao ◽  
Bin Liu ◽  
Jiangyan Yi ◽  
Zhengqi Wen

Author(s):  
Cunhang Fan ◽  
Jiangyan Yi ◽  
Jianhua Tao ◽  
Zhengkun Tian ◽  
Bin Liu ◽  
...  

2014 ◽  
Vol 62 (9) ◽  
pp. 3299-3310 ◽  
Author(s):  
Lisheng Fan ◽  
Xianfu Lei ◽  
Trung Q. Duong ◽  
Maged Elkashlan ◽  
George K. Karagiannidis

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