Title	Study of the estimation techniques for the Carrier Frequency Offset (CFO) in OFDM systems
Author	Saeed Mohseni, Mohammad A. Matin
Citation	Vol. 12  No. 6  pp. 73-80
Keywords	Carrier frequency offset (CFO), Orthogonal Frequency Division Multiplexing (OFDM), Inter Carrier Interference (ICI), CFO estimation, CFO compensation, OFDM performance and Doppler Effect (DE)

Title	Evaluation on Low-Carbon Urban Construction Dominance Level in China
Author	Zhitian Zhou, Duogui Yang, Lili Zhao
Citation	Vol. 12  No. 6  pp. 69-72
Keywords	low-carbon city, index system, evaluation

Title	A Hybrid Certificate Management for Mobile ad-hoc Networks
Author	Hemalatha Jai Kumari, A. Kannammal
Citation	Vol. 12  No. 6  pp. 62-68
Keywords	MANET, PKI, authentication, threshold cryptography, security

Title	Frame Rate Up-conversion Using HOE (Hierarchical Optical flow Estimation) Based Bidirectional Optical Flow Estimation
Author	Mamoru Ogaki, Tetsuya Matsumura, Koji Nii, Masayuki Miyama, Kousuke Imamura, Yoshio Matsuda
Citation	Vol. 12  No. 6  pp. 52-61
Keywords	frame rate up-conversion，optical flow, block matching, bidirectional flow estimation, motion compensation