Conventional centralized authentication techniques based on both digital cryptography and physical-layer attributes are prone to single-point failure due either compromised security keys or an abrupt change in the physical communication environment. Although these particular challenges could be mitigated by joint use of decentralized attributes, such schemes often exhibit unpredictable performa...

TeraHertz (THz) wireless communication constitutes a promising technique of satisfying the ever-increasing appetite for high-rate services. However, ultra-wide bandwidth THz communications requires high-speed, high-resolution analog-to-digital converters, which are hard to implement due their high complexity and power consumption. In this paper, deep learning-assisted receiver is designed, reli...

electronic shopping has increased in recent years increasingly. people who use this channel as an instrument of marketing and selling of goods, understand that consumers do not only focus on timely delivery of goods. but they are also looking for new and different products. thus, the marketers and companies must understand the innovative elements that effective on consumer purchases. in the pre...

abstract victoria d. alexander, contemporary sociologist, presented her “modified cultural diamond” in completing and criticizing two approaches of reflect and forming and emphasizes key role of art world’s distributors.reflect approach is based on this fact that art always narrates from society and forming approach covering eide range of theories. their common is the idea that art having influ...

  Purpose: This study was designed to investigate the association between knowledge creation and   organizational innovation among the staff of Tehran University of Medical Sciences (TUMS).   Materials and Methods: In this descriptive correlational study, 132 individuals from TUMS   employees were randomly selected based on Cochran’s formula. The questionnaires of knowledge   creation managemen...

Archives, both analogue and digital, are primarily concerned with preserving records as originals. Because of this, immutable data used in a blockchain structure seem logical choice when designing such systems. At the same time, archives maintain which may need to change over long term. It is requirement archival preservation be able update records’ metadata order not only guarantee authenticit...