IoT-Fog-Blockchain Framework

2020 ◽  
Vol 3 (2) ◽  
pp. 1-20
Author(s):  
Tanweer Alam

Exploring the unique blockchain-internet of things (IoT) framework may be an attractive structure for enhancing communications efficiency in the 5G networks. The wireless communication would have been the largest research area that allows users to communicate with each other. Nowadays, high-speed, smart, efficient with many technologies, such as low power consumption, and so on, appear to be available to communicate with each other in today's globe. Throughout this framework, the expansion of fog features is enabled for physical objects within IoT. Several of the challenging issues in the field of wireless communications would be to build a new blockchain-based virtualization system across the IoT architecture. The main purpose of this framework is to connect blockchain technology to the IoT and fogging or maintains the IoT cryptography secured when transactions occurred. This strengthens blockchain and fog to build an effective IoT communication system. The recommended method is an important estimation of the extensive work.

Author(s):  
A. Suresh Babu ◽  
B. Anand

: A Linear Feedback Shift Register (LFSR) considers a linear function typically an XOR operation of the previous state as an input to the current state. This paper describes in detail the recent Wireless Communication Systems (WCS) and techniques related to LFSR. Cryptographic methods and reconfigurable computing are two different applications used in the proposed shift register with improved speed and decreased power consumption. Comparing with the existing individual applications, the proposed shift register obtained >15 to <=45% of decreased power consumption with 30% of reduced coverage area. Hence this proposed low power high speed LFSR design suits for various low power high speed applications, for example wireless communication. The entire design architecture is simulated and verified in VHDL language. To synthesis a standard cell library of 0.7um CMOS is used. A custom design tool has been developed for measuring the power. From the results, it is obtained that the cryptographic efficiency is improved regarding time and complexity comparing with the existing algorithms. Hence, the proposed LFSR architecture can be used for any wireless applications due to parallel processing, multiple access and cryptographic methods.


Nanophotonics ◽  
2020 ◽  
Vol 10 (2) ◽  
pp. 937-945
Author(s):  
Ruihuan Zhang ◽  
Yu He ◽  
Yong Zhang ◽  
Shaohua An ◽  
Qingming Zhu ◽  
...  

AbstractUltracompact and low-power-consumption optical switches are desired for high-performance telecommunication networks and data centers. Here, we demonstrate an on-chip power-efficient 2 × 2 thermo-optic switch unit by using a suspended photonic crystal nanobeam structure. A submilliwatt switching power of 0.15 mW is obtained with a tuning efficiency of 7.71 nm/mW in a compact footprint of 60 μm × 16 μm. The bandwidth of the switch is properly designed for a four-level pulse amplitude modulation signal with a 124 Gb/s raw data rate. To the best of our knowledge, the proposed switch is the most power-efficient resonator-based thermo-optic switch unit with the highest tuning efficiency and data ever reported.


2012 ◽  
Vol 9 (24) ◽  
pp. 1900-1905
Author(s):  
Kamran Delfan Hemmati ◽  
Mojtaba Behzad Fallahpour ◽  
Abbas Golmakani ◽  
Kamyar Delfan Hemmati

2018 ◽  
Vol 7 (2-1) ◽  
pp. 417
Author(s):  
Beulah Hemalatha S ◽  
Vigneswaran T

Application specific reconfiguration of On-chip communication link is a fast growing research area in system on chip (SoC) based system design. Optimization of the communication link is important to achieve a trade-off between efficient communication and low power consumption. So achieving both efficient communication and low power consumption requires a special optimization mechanism. Such Optimization problems can be solved using a genetic algorithm. Here, in this paper genetic algorithm based On-chip communication link reconfiguration is presented. The algorithm will optimize efficiency of communication link with constrain of low power consumption. The parameters involved in power consumption and efficient communication link are coded in the chromosomes. By evolutionary iteration the optimal parameters of the communication link are derived that is used for the communication link successfully in the simulated system. The performance of the simulated system is analyzed which shows the out performance of the proposed system.


In digital design, there are two types of design, synchronous design and asynchronous design. In synchronous design, global clock is one of the main system that consume a lot of power. The power in synchronous design is consumed by clock even if there is no data processing take place. The asynchronous design that depends on data is clockless and as far as the power is concerned, asynchronous design does not consume much power compared with synchronous design and this really make asynchronus design the preffered choice for low power consumption. Besides having low power consumption, there are many advantages of aynchronous design compared with synchronous design. This paper proposed new dual rail completion detector (CD), 3-6 CD, 2-7 CD and 1-4 CD for on-chip communication that are used widely in an asynchronous communication system. The design of CD is based on the principle of sum adder. The circuit is designed by using Altera Quartus II CAD tools, synthesis and implementation process is executed to check the syntax error of the design. The design proved to be successful by using asynchronous on-chip communication in the simulation.


2020 ◽  
Author(s):  
Tanweer Alam ◽  
Mohamed Benaida

Building the innovative blockchain-based architecture across the Internet of Things (IoT) platform for the education system could be an enticing mechanism to boost communication efficiency within the 5 G network. Wireless networking would have been the main research area allowing people to communicate without using the wires. It was established at the start of the Internet by retrieving the web pages to connect from one computer to another computer Moreover, high-speed, intelligent, powerful networks with numerous contemporary technologies, such as low power consumption, and so on, appear to be available in today's world to connect among each other. The extension of fog features on physical things under IoT is allowed in this situation. One of the complex tasks throughout the area of mobile communications would be to design a new virtualization framework based on blockchain across the Internet of Things architecture. The goal of this research is to connect a new study for an educational system that contains Blockchain to the internet of things or keeping things cryptographically secure on the internet. This research combines with its improved blockchain and IoT to create an efficient interaction system between students, teachers, employers, developers, facilitators and accreditors on the Internet. This specified framework is detailed research's great estimation.


Author(s):  
Zixiang (Alex) Tan

One of the challenges as well as opportunities for the success of wireless communication in the 21st century is the standardization that, in a simplified term, defines how specific technologies are used in a particular wireless communication system. Standardization goes beyond a technical decision made by engineers. This chapter first examines the history and the status of standardization in wireless communications in the world. Global cooperation and competition among different standards are then examined. Finally, the chapter analyzes ITU’s efforts on the 3G standardization that aim to bring harmony among the world’s wireless communication developers and providers.


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