A Novel Chaotic Quantum based Homomorphic CPABE Authentication Protocol against Malicious attack in Wireless Communication Networks

2019 ◽  
Vol 10 (1) ◽  
pp. 1
Author(s):  
Madhuravani B ◽  
Murthy DSR
Keyword(s):  
Wireless Communication ◽  
Communication Networks ◽  
Authentication Protocol ◽  
Wireless Communication Networks ◽  
Malicious Attack

The effects of Tx./Rx. pointing errors on the performance efficiency of local area optical wireless communication networks

2021 ◽  
Vol 0 (0) ◽  
Author(s):  
Mahmoud M. A. Eid ◽  
Ahmed Nabih Zaki Rashed ◽  
Mohd. Sultan Ahammad ◽  
Bikash Kumar Paul ◽  
Kawsar Ahmed
Keyword(s):  
Wireless Communication ◽  
Communication Networks ◽  
Local Area ◽  
Cavity Surface ◽  
Wireless Communication Networks ◽  
Q Factor ◽  
Optical Wireless Communication ◽  
Optical Wireless ◽  
Pointing Errors ◽  
Emitting Lasers

Abstract This study presents the effects of Tx./Rx. pointing errors on the performance efficiency of local area optical wireless communication networks. The received signal power and max Q factor are measured in the presence of vertical-cavity surface-emitting lasers (VCSELs) bias current and modulation current at maximum propagation distance for the wireless network. The signal is enhanced with increasing of bias and modulation peak currents of the VCSEL device. The optimum received power and max. Q factor is also examined at Tx./Rx. the pointing error of 0.1 mrad and propagation reach of 5 km at available bit rates transmission of 10 Gb/s.

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