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Negative capacitance based transistors are being considered as competent candidates in the low power regime due to their excellent switching characteristics. In this work we use a physics based compact model for negative capacitance (NC) FinFETs to study device-circuit interactions focusing on the delay and energy dissipation aspects of NC-FinFET based CMOS circuits. Our modeling approach involves...
In the Wireless sensor network small size based and low power sensor nodes spreads over a complete geographical area which is connected to each other for performing or control the applications. Every application requires a control center which collects the aggregates data from all sensor nodes. Data aggregation is used for compress data and also for power saving which gives time efficient method for...
To deliver data in computer networks, it is often divided into smaller chunks/frames/packets (called framing) for various reasons such as regulating flow, multiplexing, switching, error control, etc. In a store-and-forward network, a carefully chosen packet-size can drastically improve network performance especially end-to-end delivery time. In this paper, we have inspected the effect of packet size...
A Wireless Body Area Network (WBAN) is a network of wireless sensors and medical equipments located inside or outside the human body for collecting biological signals for various medical and non-medical applications. IEEE 802.15.6 was developed as the standard for WBAN where nodes can access the channel via contention access or contention free access. In this paper, only contention access is considered...
In Battery-Free Wireless Sensor Network (BF-WSN), nodes are powered by the energy harvested from ambience instead of batteries. The nodes may frequently suffer from insufficient energy so that they need to alternate normal operation (such as transmitting/receiving, etc.) with harvesting energy. This brings in extra packet delay for the nodes to deliver data to the sink(s). Therefore, delivering data...
Due to their intrinsic characteristics, Ad Hoc mobile networks could be subjects to disturbances or node break-downs. The latter are worsened by the nodes relay and mobility features. A more sophisticated Multihoming integration to MANET networks necessarily increases its robustness: in other words, it improves its performances. That is why we suggest in this article a new extension of the Stream...
In application base environment using Wireless Sensor Network (WSNs), mobility sink and node plays a key role in concern with topological changes affecting on the bandwidth utilization, energy consumption and delay. Due to the scarcity of available resources, it demands the solution with a better reduction in delay and energy consumption for increased slot utilization and reduced collisions. The paper...
Arithmetic and Logic Unit represent the core of all microprocessors. It performs arithmetic and logical operations. ALU is getting more complex and smaller to make more efficient circuits. This paper describes simple ALU but contains the essentials functions. It is a reconfigurable ALU based on double gate carbon nanotube field effect transistors (DG-CNTFETs). The proposed ALU is designed for one...
This paper deals with stability of time delayed Takagi-Sugeno (TS) fuzzy systems. By considering a linear function which bound the derivative of fuzzy weighting functions, a relaxed stability method is established. A new stability approach is derived for time delayed TS systems by using integral Lyapunov function. To show the advantages of the proposed approaches, an illustrative example is given.
This work investigates the problem of state controller synthesis of switched system with time-varying delay. Based on Lyapunov-krasovskii technique and the average dwell time approach (ADTA), a switched state feedback controller is created such that the system is exponentially stable and a weighted La-gain is accomplished. By solving a set of linear matrix inequalities (LMIs), controller parameters...
A multiple delayed model of HIV infection has been proposed in this paper. The first delay explains the time for an uninfected cell to become infected. This delay is termed as intracellular delay. The second delay known as the immunological delay describes the immune activation time. The basic reproduction number for the model has been given and the local stability analysis has been performed. The...
Broadband signal transmission through communication channels in home environments is one of the interesting topics in the field of intelligent buildings. Building designers are interested in transferring multimedia content with minimum cost, energy consumption, and acceptable quality. Limitations and drawbacks of existing transmission systems such as coaxial cable, wireless transmission, etc., have...
No doubt that in this technological era the arithmetic circuit is the core of most all the Digital Signal Processing applications (DSP), especially adder circuits. In this paper, various types of adder circuits have been implemented on Field Programmable Gate Array (FPGA). Furthermore, another architecture for adder called Carry Shifting Adder (CSHA) is proposed. This depends on shifting the carry...
IEEE 802.11p is a communication protocol which is extended by IEEE 802.11 standard, mainly used in Vehicular Ad-Hoc Networks (VANETs). VANETs generally include the Service Channel (SCH) and Control Channel (CCH). In the traditional 802.11p protocol, the length ratio between CCH and SCHs is fixed. This paper presents a variable SCH interval(VSI) multichannel medium access control (MAC) scheme under...
Without requiring time synchronization, protocol sequences can be used to design a simple and reliable channel access protocol for mobile ad hoc networks. This paper focuses on completely irrepressible (CI) sequences, which can be employed to allow each user to have at least one successful packet transmission within each sequence period for a completely asynchronous channel. Previous numerical studies...
Several interconnected layers of network form the smart grid. The Home Area Network (HAN) is the lowest layer of this grid, where reports about the various parameters associated with electrical devices are generated. For example, parameters could include information about the operation, power consumption, energy losses, power factor, etc. associated with the electrical devices. The reports generated...
In real-time multicast, delay and inter-destination delay variation of group members are bounded above by a value. The problem is known as Delay and Delay Variation Bounded Multicast Tree (DVBMT), which is proven to be NP-complete. In this paper, we propose a directional approach (DCS) for core selection and tree generation satisfying delay and inter-destination delay variation constraints. After...
this paper describes in details the IPTV (Internet Protocol Television) system. Also, measurement methods of the QoS parameters are analyzed, debating a practical application for evaluation of IPTV traffic parameters. QoS (Quality of Service) parameters such as IP Packet Transfer Delay (IPTD), IP Packet Delay Variation (IPDV) and packet loss Ratio (IPLR). The recent Internet is working under TCP/IP...
We provide a new sequential predictors approach for the exponential stabilization of linear time-varying systems with pointwise time-varying input delays. Our method circumvents the problem of constructing and estimating distributed terms in the stabilizing control laws, and allows arbitrarily large input delay bounds. We illustrate our method using a pendulum dynamics.
Diverging diamond interchanges (DDI) have been proved to outperform other types of diamond interchanges in terms of safety, cost-effectiveness and efficiency, but most of those research efforts were based on case studies using simulation or empirical analysis. Few research efforts have been done to conduct the analytic calculation of delay, with which optimization of timing plans can be acquired more...
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