JOINT VIRTUAL MIMO AND DATA GATHERING FOR WIRELESS SENSOR NETWORKS

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Engineering

JOINT VIRTUAL MIMO AND DATA GATHERING
FOR WIRELESS SENSOR NETWORKS
ABSTRACT
Virtual multi-input multi-output (MIMO) or vMIMO is becoming an attractive
technology to achieve spatial diversity in wireless networks without using additional antennas,
and to reduce power consumption by cooperation among multiple nodes. As data gathering is
one of the most important operations in many sensor network applications, this paper studies
energy-efficient data gathering in wireless sensor networks using vMIMO. We define the joint
vMIMO and data gathering (vMDG) problem, which is NPhard. We also propose a distributed
method called D-vMDG as an approximation algorithm. This algorithm first constructs a tree-
like topology by taking the unique features of vMIMO into account. Then, an energy-efficient
routing protocol based on dynamic programming is proposed for each node on the constructed
topology. Our theoretical analysis shows that D-vMDG can achieve an approximation ratio of
Oð1Þ. Our simulations show that D-vMDG decreases the energy consumption by 81 and 36
percent compared to the well-known MDT [26] and MIMO-LEACH [19] algorithms
respectively.

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The energy limitation and frequent movement of the mobile Ad hoc network (MANET) nodes (i.e., devices) make the routing process very difficult. The multicast routing problem is one of the NP-complete problems. Therefore, the need for a new power-aware approach to select an optimum multicast path with minimum power consumption that can enhance the performance and increase the lifetime of MANET has become urgent. Software defined network (SDN) is a new technique that can solve many problems of the traditional networks by dividing the architecture into data part and control part. This paper presents three power-aware multicast routing strategies for MANET. First one called a Reactive Multicast routing strategy for Cluster based MANET by using SDN (RMCMS), second one called Proactive Multicast routing strategy for Cluster based MANET by using SDN (PMCMS) and third one represents Modification of PMCMS called M-PMCMS. Moreover, it produces a new mathematical model to build a multicast tree with minimum power consumption and takes into account the remaining power in each node. All proposed multicast strategies operate based on this mathematical model and aim to maximize the MANET lifetime by exploiting the advantages of SDN and clustering concepts. They consider the multicast tree with minimum power consumption as an optimal one. The simulation results illustrated that RMCMS is better than PMCMS, M-PMCMS, and MAODV in terms of power consumption and network overhead while M-PMCMS is the best one in terms of dropped packets ratio (DPR) and average end to end (E2E) delay.

TechreportTan14

Polytechnique Montreal

This document proposes a joint design of data compression and MAC protocol for smart grids using compressed sensing. It aims to minimize reporting time while reliably reconstructing power injection data from multiple nodes. Specifically, it employs two-dimensional compressed sensing to compress correlated power data in space and time. It also adapts the 802.15.4 MAC protocol frame structure to enable efficient data transmission for reconstruction. An analytical model is developed to optimize MAC parameters and guarantee reliable data reconstruction with minimum reporting delay.

M-EPAR to Improve the Quality of the MANETs

IJERA Editor

In MANET, power aware is important challenge issue to improve the communication energy efficiency at individual nodes. We propose modified efficient power aware routing (M-EPAR), a new power aware routing protocol that increases the network lifetime of MANET. Designing a power aware routing algorithm or technique is one of the most important point considered in Mobile Ad Hoc Networks. These nodes are driven by reactive protocols where broadcasting is mandatory to form a path between two nodes. So in case of death of the node resulting out of less battery calls for re-routing. Since many existing techniques focuses on energy aware routing this paper presents combination of energy aware routing merged with link quality determined by packet drop rate. The proposed scheme has outperformed the existing technique in terms of packet delivery ratio, throughput and energy consumption.

On the performance of non-orthogonal multiple access (NOMA) using FPGA

IJECEIAES

In this paper, non-orthogonal multiple access (NOMA) is designed and implemented for the ﬁfth generation (5G) of multi-user wireless communication. Field-programmable gate array (FPGA) is considered for the implementation of this technique for two users. NOMA is applied in downlink phase of the base-station (BS) by applying power allocation mechanism for far and near users, in which one signal contains the superposition of two scaled signals depending on the distance of each user from the BS. We assume an additive white Gaussian noise (AWGN) channel for each user in the presence of the interference due to the non-orthogonality between the two users’ signals. Therefore, successive-interference cancellation (SIC) is exploited to remove the undesired signal of the other user. The outage probability and the biterror rate performance are presented over different signal-to-interference-plus-noise ratio (SINR). Furthermore, Monte-Carlo simulations via Matlab are utilized to verify the results obtained by FPGA, which show exact-close match.

A modified approach for secure routing and power aware in mobile ad hoc network

Diksha Katiyar

This document presents a dissertation on a modified approach for secure routing and power aware routing in mobile ad hoc networks. It proposes two algorithms: 1) an algorithm to compute node flag values to identify malicious nodes, and 2) an algorithm to compute route energy levels to select higher energy routes. The dissertation evaluates the proposed approach through simulation results showing improvements in energy consumption, packet delivery, routing overhead, throughput, and end delay compared to existing approaches.

A Network Selection Algorithm for supporting Drone Services in 5G Network Arc...

University of Piraeus

Flying Ad-hoc Networks (FANETs) use 5G network access technologies to fulfill the requirements of their services. In this environment, Drone to Infrastructure (D2I) communication is supported, while each drone could use both Disaster Management (DM) and non-Disaster Management (nDM) services. Efficient network selection algorithms are required to satisfy the constraints of the used services, since the presence of DM services affects the importance of nDM services in situations where a natural disaster occurs. This paper proposes a network selection algorithm which is called Dynamic Trapezoidal Fuzzy Topsis with Adaptive Criteria Weights (DTFT-ACW). DTFT-ACW accomplishes the ranking of the candidate networks considering the importance of each service, as well as the weights of the corresponding selection criteria, as they are obtained with respect to the severity level of a natural disaster occurred. Interval-Valued Trapezoidal Fuzzy Numbers (IVTFN) are used for the criteria evaluation. Experimental results show that the suggested method outperforms existing algorithms by satisfying the constraints of DM services when a disaster becomes severe. Furthermore, DTFT-ACW eliminates the computational complexity of the network selection by considering past decisions.

IRJET- DOE to Minimize the Energy Consumption of RPL Routing Protocol in IoT ...

IRJET Journal

This document discusses minimizing the energy consumption of the RPL routing protocol in IoT networks to support green wireless communication. It first uses the Taguchi method to determine that network size is the most influential factor on energy consumption. It then simulates RPL under different network sizes (10-50 nodes) and mobility scenarios. The results show that energy consumption decreases by 22.11% and throughput increases by 2.82% for smaller networks compared to larger networks. Therefore, optimizing network size can help reduce energy usage and carbon footprint to achieve more sustainable green wireless communication.

Smart grid

NAMITHA SUDHAKAR

The document discusses key aspects of smart grids including their importance, structure, and communication techniques. A smart grid uses advanced sensing, communication, and control technologies to modernize electricity delivery systems. It allows two-way communication between utilities and consumers to save energy, reduce costs and emissions. The smart grid consists of home, neighborhood and wide area networks connected by various wireless and wired technologies. Efficient data centers and renewable energy integration are also discussed along with challenges in fully realizing smart grid benefits.

Smart grid

NAMITHA SUDHAKAR

95 101

Editor IJARCET

This document summarizes a research paper that proposes a Demand Based Energy Efficient Topology (DBET) method for managing the topology of mobile ad hoc networks (MANETs) to reduce energy consumption. The DBET approach dynamically adjusts the network topology based on traffic conditions by utilizing two existing techniques - maintaining a small connected backbone of awake nodes or controlling topology via link costs. The full paper is presented, describing the DBET method in more detail and evaluating its performance compared to AOMDV routing via simulation.

95 101

Editor IJARCET

This document summarizes a research paper that proposes a Demand Based Energy Efficient Topology (DBET) method for managing the topology of mobile ad hoc networks (MANETs) to reduce energy consumption. The DBET approach dynamically adjusts the network topology based on traffic conditions by utilizing two existing topology control techniques - maintaining a small connected backbone of awake nodes or controlling power to keep link costs low. The full paper is presented, describing the DBET method in more detail and evaluating its performance compared to AOMDV routing protocol in terms of energy usage, delay, and delivery ratio through simulations.

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TechreportTan14

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On the performance of non-orthogonal multiple access (NOMA) using FPGA

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