International Journal of Sensors Wireless Communications and Control - Volume 10, Issue 2, 2020

Background and Objective: Random Black Hole (BH) attack significantly degrades MANET’s performance. For strategic applications, the performance parameters like Packet Delivery Ratio, Routing Overheads, etc. are important. The objectives are: (a) To model random BH attack, (b) To propose a routing strategy for the protocol to mitigate random BH attack, (c) To evaluate and compare the network performance of Read More

Background & Objective: Digital multimedia exchange between different mobile communication devices has increased rapidly with the invention of the high-speed data services like LTE-A, LTE, and WiMAX. However, there are always certain security risks associated with the use of wireless communication technologies. Methods: To protect the digital images against cryptographic attacks different image encryption algorithm Read More

Background & Objective: This paper considers a multi-pair wireless network, which communicates peer-to-peer using some multi-antenna amplify-and-forward relays. Maximizing the throughput supposing that the total relay nodes’ power consumption is constrained, is the main objective of this investigation. We prove that finding the beamforming matrix is not a convex problem. Methods: Therefore, by using a semidefinite relax Read More

Background & Objective: Wireless technologies like Wi-Fi, WiMAX, and LTE are using Multiple Input, Multiple Output (MIMO) communications that play an important role in achieving high data rates. Bit Error Rate (BER) is one of the most important performance parameters in multipath channels for data communication. Methods: This research proposes a new method based on Reed Solomon (RS) coding to improve the Read More

Background & Objective: Wireless communication technologies are continually growing in diverse areas, which are providing unexampled research opportunities in the areas of networking. One such speedily developing orbit is Wireless Sensor Networks. The ability of these networks to operate in human-inaccessible terrains and hazardous locations have attracted a lot of research for addressing various difficulties presented by t Read More

Background & Objective: MEMS sensors are rapidly growing as a sensing technology in all spheres of science and engineering. MEMS technology is playing an important role in avionics for miniaturization of systems and MEMS based Inertial Navigation System (INS) is one of the example. The situational awareness and performance of an aerial vehicle is computed with the help of an INS. This paper describes the case study for Read More

Background: The paper considers the wireless system with large number of users (more than 50 users) and each user is assigned large number of antennas (around 200) at the Base Station (BS). Objective: The challenges associated with the defined system are increased power consumption and high complexity of associated circuitry. The antenna selection is introduced to combat these problems while the usage of linear prec Read More

Background and Objective: Wireless Sensor Networks (WSNs) are typically formed by one or more sink nodes and a large number of sensor nodes that are able to sense, process and transmit data. Topology control mechanisms can be utilized to guarantee requirements such as connectivity, coverage, delay and network lifetime in WSNs. One effective way to control the topology is adjusting transmission power level in each n Read More

Background and Objective: The Scale with which Internet of Things (IoT) is penetrating our day to day life, time is not far away when it would be the Internet of Everything (IoE) that will require billions of devices to communicate with each other in the real world. To cater to the same, Wireless Sensor Network (WSN) is composed of 6LoWPAN sensor-nodes, which are mainly battery operated. One of the major issues, in such net Read More

Background & Objective: Currently, WSN (Wireless Sensor Networks) provides a variety of services in industrial and commercial applications. WSN consists of nodes that are used to sense the environments like humidity, temperature, pressure, sound, etc. As the use of WSN grows there are some issues like coverage, fault tolerance, a deployment problem, localization, Quality of Service, etc. which needs to be resolved. Sink Read More

Background: The wisdom of future wireless communication is clearly highlighted by the gigabit experience, low latency and the three fold rises in the capacity, compared to the 4th Generation networks. To meet such an ambitious objective of the 5th Generation communication systems, efficient use of non-contiguous unused spectrum is required. The panacea to this issue lies in the symbiosis of multicarrier waveforms a Read More

Background & Objective: Various Radio Access Technologies are integrated in the next generation of Heterogeneous Wireless Networks. The coexistence of various kinds of wireless access networks ensures high service quality (QoS) for the users. Seamless vertical handover plays a significant role in providing ubiquitous access to users. The ability to select the optimal access network out of available access networks Read More

Background & Objective: Routing is a popular challenge in ad hoc networks. A routing algorithm developed for one type of ad hoc network may be adapted for other. However, such adaptation is very difficult for Delay Tolerant Network (DTN) due to special DTN characteristics like latency, intermittency, disruptions, etc. and its applications in hostile environments like extreme terrestrial and space. Methods: We have used A Read More

Background & Objective: Revolution in digital multimedia is a boon to music industries, music creators for decades as digital music can be created, stored replicated and transferred easily and efficiently. But digitalization of multimedia becomes a curse when the multimedia content is illegally and freely distributed, shared across the network online or offline. Countering the illegal copying and distribution of digital media is the d Read More

Background & Objective: Location-based services enable collection of location-oriented information which finds use in various fields. Methods: With its utility found in so many applications, various localization techniques are adopted to improve these services. One such property of a signal which is used for these estimations is known as ‘Time of Arrival’ property. The ‘Time of Arrival’ property of a signal is the time difference for a Read More