Wi-Fi, community networks, cooperation, decentralization, indirect reciprocity, Wi-Fi telephony Kepstrum approach, Mel filters GPS, Fault detection, Transient analysis, Transient wave based protection scheme, fault current, signal processing WLL-Cor-DECT, microstripline Patch antenna, Single feed, Input impedance, return loss, smith chart, optimization Fuzzy Similarity Relation, Fuzzy Proximity Relation, Lemma, Anti-Redundancy, Tokenizer, Lemmatizer Artificial Neural Network, Backpropagation, Orthonormal, Stereoscopic images Text summarization, survey, taxonomy Data mining, Data warehousing, Clustering, Genetics Algorithm Image enhancement, Minutiae, Objective criterion, Optimization techniques, Transformation function Cryptography, Pixel, MATLAB, encrypted, VSSS, watermarking, threshold, Decryption, Steganography Object oriented design, quality models, design metrics