Title	Intrusion Detection Scheme against Sinkhole Attacks in Directed Diffusion Based Sensor Networks
Author	Soo Young Moon, Tae Ho Cho
Citation	Vol. 9  No. 7  pp. 118-122
Keywords	Wireless sensor networks, sinkhole attack, intrusion detection system, fuzzy logic

Title	Modulation and Error Correction in the Underwater Acoustic Communication Channel
Author	Yuri Labrador, Masoumeh Karimi, Deng Pan, Jerry Miller
Citation	Vol. 9  No. 7  pp. 123-130
Keywords	Acoustic Channel, 8PSK, 16QAM, Turbo Codes, Rician Model

Title	Gray-level Morphological Operations for Image Segmentation and Tracking Edges on Medical Applications
Author	Ch. Santhaiah, G. Anjan Babu, M. Usha Rani
Citation	Vol. 9  No. 7  pp. 131-136
Keywords	Dilation, Erosion, Peak, Valley, Edge, Toggle contrast

Title	Development of Algorithm, Architecture and FPGA Implementation of Demodulator for Processing Satellite Data Communication
Author	K. R. Nataraj, S. Ramachandran, B. S. Nagabushan
Citation	Vol. 9  No. 7  pp. 137-147
Keywords	Algorithm, Demodulator, Linear algebra, Distributed Arithmetic Architecture, Sampling Rate Converter, Digital Frequency Synthesizer, Field Programmable Gate Arrays