Keywords: Wireless Communication, Data Aggregation, Routing Protocols, Fault Tolerance and Internet of Things (IoT).
In essence, the sensor node typically consists of three main components: a compact design encompassing essential elements such as data collection from the physical environment, a sensory subsystem for reception, local processing, and storage of data, as well as a processing subsystem and wireless support for communication and data exchange. Furthermore, the device requires energy for its scheduled operations, which is supplied by a power source. However, the energy source is often constrained, commonly being a battery with limited capacity. Recharging the battery can pose challenges, especially in environments where nodes face conflicts or practical limitations [4]. The Internet, when viewed as a physical network, undergoes constant evolution across various sectors such as healthcare, defense, transportation, entertainment, emergency response, national security, and urban infrastructure. This evolving technology holds immense potential for diverse applications, which is particularly intriguing due to the significant shift in foundational assumptions guiding its development.Historically, research primarily focused on distributed systems built upon wired connections, with abundant energy resources, lacking real-time capabilities, and relying on conventional user interfaces like screens and mice. These systems operated on fixed resource allocations, treating each node as equally significant and independent.In stark contrast, modern wireless sensor networks operate in dynamic environments, characterized by limited power, real-time demands, and the utilization of sensors and actuators as interfaces. These networks exhibit emergent behavior due to the aggregation of resources and emphasize the significance of node locations. Additionally, they often utilize low-capacity devices, challenging conventional solutions and necessitating innovative approaches [5]. Simultaneously, Wireless Sensor Networks (WSNs) in the healthcare sector encounter numerous technical hurdles that need to be addressed to realize their full potential. These challenges encompass restricted network capacity, processing and memory limitations, as well as limited energy resources. These constraints are inherent to all WSNs but are exacerbated in healthcare applications. Unlike other domains, healthcare apps demand heightened system reliability, quality of service, and stringent privacy and security measures [6]. A recent original study titled “Wireless Ad-Hoc Sensor Networks” has emerged, focusing on their significant impact on time, economy, and lifestyle transformation. These networks pose various challenges in system development, introducing new concepts and optimization issues. Fundamental problems such as placement, deployment, and monitoring arise, alongside applications that heavily rely on the information they provide. Quality of service, particularly in monitoring, plays a crucial role in ensuring satisfactory coverage and answering pertinent questions [7]. Ten years ago, the initial papers on Wireless Sensor Networks (WSN) discussed their potential applications in diverse environments such as forests, waterways, buildings, defense, and even on the battlefield, for monitoring purposes. These early writings clearly highlighted the technological promise they held. However, over the past decade, progress has not been as rapid as initially anticipated. WSN technology, characterized by affordable costs, powerful microcontrollers, and single-chip radio transceivers, has experienced a hype cycle largely driven by its increasing availability [8]. Over the recent years, the research community has shown significant interest in wireless sensor networks (WSNs) due to the multitude of theoretical and practical hurdles they present. This growing research interest stems from WSNs’ capability to gather data from the surroundings through numerous sensor nodes deployed at scale. WSNs have been instrumental in exploring novel applications like processing sensed data and transmitting it remotely to designated locations. These networks are predominantly utilized in scenarios where bandwidth is limited, and latency can be tolerated, spanning across both civilian and military domains, including environmental and health monitoring [9]. Low-power micro sensors, actuators, and embedded systems are deployed across distributed applications with accompanying apps and radios. This setup facilitates environmental monitoring, smart spaces, medical applications, and wireless connectivity for various purposes, including precision agriculture. Applied sensor networks, although relatively compact, encompass a diverse array of sensors, all transmitting signals to a central processing unit where data processing takes place [10]. One of the key research areas in sensor network networking revolves around intriguing challenges, with a primary focus on the power limitations faced by individual nodes. Despite this challenge, the continuous evolution of sensor networks is crucial. These networks typically rely on battery-powered nodes and are deployed across diverse terrains. To address the power constraints, future deployments are anticipated to incorporate alternative energy sources such as solar power and other environmental resources. For instance, sensor nodes could be utilized in climate monitoring within canopies. However, a significant energy drain arises from radio communication, highlighting the need for efficient energy management strategies [11]. Wireless Sensor Networks (WSNs) find utility across diverse sectors like military, homeland security, healthcare, environmental monitoring, agriculture, and manufacturing. Envisioning their future deployment involves the creation of large-scale networks comprising thousands of small, self-organizing sensor nodes communicating wirelessly. However, ensuring security within such networks poses a significant challenge. Unlike regular desktop computers, sensor nodes have restricted processing power, storage, and energy reserves, as well as limited bandwidth for wireless connections [12]. A remote subtropical lake, secluded from human activity by its location, remains largely untouched each year. Despite its isolation, it faces the impact of hurricanes, nestled amidst ancient Cypress forests. Scientists specializing in limnology, botany, and climatology regard its fertile ecosystem as an ideal setting for conducting extensive long-term studies on environmental systems. During a tornado, debris may plummet into the lake, reaching depths of one meter in its 4.5-meter depth.
Additionally, the lake experiences rapid purification when rainfall doubles its volume in a single day [13]. Wireless Sensor Networks (WSNs) have emerged as a focal point of research in recent times due to their efficient design and implementation. This surge is partly attributable to the evolution of sensor technology, facilitating connectivity across various applications. This connectivity offers a vast spectrum of operational possibilities, bridging the gap between the physical and virtual realms. By interconnecting numerous small sensors through networking, WSNs enable the acquisition of data on events that were previously inaccessible via conventional means. Over the forthcoming years, advancements in microfabrication and sensor technology are anticipated to maintain node manufacturing costs at a steady level. This, in turn, will pave the way for the proliferation of reduced-cost wireless sensor deployments, leading to the expansion of networks and the eventual proliferation of nodes [14]. For sensor networks, in many scenarios, energy resources are constrained due to the prevalent usage of battery-powered nodes. These nodes often require manual intervention for battery recharge or replacement, which can be challenging or even impossible in certain situations. Consequently, when a node exhausts its energy, it ceases to perform data sensing and routing tasks, leading to a reduction in network coverage and connectivity. Therefore, efficient utilization of energy resources is imperative for optimal operation of sensor networks [15].
The weighted sum model (WSM) is straightforward and commonly applied in multi-criteria decision-making systems. In this approach, arithmetic methods relying on weighted averages are utilized to replace attribute values. Decision makers assign weights to each attribute’s measured value based on their relative importance. These weights are then multiplied with the measured values for each attribute to calculate an evaluation score. One advantage of the WSM method is its ability to provide a proportional linear transformation of the raw data [17]. How much weight does each criterion carry? The decision-maker has the authority to prioritize them according to importance, striving for optimal decisions whenever possible. In essence, this entails assessing the significance of each criterion in the decision-making process. By scrutinizing changes in the current weighting, we can ascertain the actual ranking of alternatives. This sensitivity analysis delves into the subtle intricacies of the criteria’s weights, revealing how even slight adjustments can significantly impact the ranking of alternatives. Furthermore, in a separate scenario, we explore the significance of various performance measures, employing a similar approach to prioritize criteria and rank alternatives one decision at a time. These two distinct types of sensitivity analyses will be further examined in subsequent sections [18]. In 1922, Bridgman introduced the concept of the weighted production method (WPM). This method has been extensively tested and proven effective for multi-criteria decisionmaking scenarios. It involves assigning weights to different criteria, enabling a systematic approach to decision-making even when faced with numerous factors to consider.Numerous studies have demonstrated the reliability of WPM across various domains, including choosing the right food in a boarding house or selecting the most suitable option from multiple criteria. Researchers have reported success in utilizing WPM for decision-making tasks in learning platforms, as well as in applications such as Goosebumps detection and similar endeavors.This study primarily focuses on applying WPM to decision-making processes, particularly aimed at assisting individuals facing challenges in making decisions.
The goal is to leverage WPM’s capabilities to address such difficulties effectively. Furthermore, efforts have been made to integrate WPM into internet-based systems for calculation and implementation, enhancing its accessibility and usability [19]. Traditional data mining techniques are employed to achieve optimal performance and have been extensively studied in the context of wireless sensor network (WSN) environments. However, they face limitations due to ongoing research on WSNs. In response, an Adaptive Data Processing Framework has been proposed by Izadi and others. They introduced a fuzzy-based approach for data fusion in WSNs, which selectively collects and integrates actual data values. This selective approach reduces the processing load on the base station (BS), distinguishing and combining data more effectively [20].A wavelet transform, employed for timefrequency domain analysis, operates by organizing data into packets within the frequency domain. Furthermore, it enables segregation within the time domain, effectively isolating signals from background noise like impulse interference in Time Division Multiplexing (TDM) or disturbances in Orthogonal Frequency Division Multiplexing (OFDM) reception. In scenarios where multiple codes are compromised, Wavelet Packet Modulation (WPM) excels in excluding problematic codes and structuring packets accordingly. Substituting WPM for OFDM in selected frequency ranges enhances balance properties, rendering it a compelling alternative for multicarrier communication [21]. The Simple Additive Weighting (SAW) method and the Weighted Product Method (WPM) are both techniques used in decision making processes, particularly in the context of cyber-attack modeling.
SAW involves assigning weights to different criteria and then calculating a score for each option by multiplying the weights by the performance of each criterion and summing them up. On the other hand, WPM computes a similar score by multiplying the performance values of each option across all criteria, raising them to the corresponding weights, and then taking their product. In terms of pros and cons, SAW is relatively straightforward to understand and implement, making it accessible for users. However, it may struggle with nonlinear relationships between criteria and can be cumbersome when defining appropriate scales for evaluation. WPM, while more complex, can capture nonlinear relationships better but may be harder to use due to its intricacies.Both methods encounter difficulties in handling characteristics and scoring across different criteria, especially in WPM where nonlinear relationships can complicate scoring. To address these challenges, a new evaluation strategy is proposed. This strategy integrates decision-making processes and enhances the modeling assessment of cyber-attacks by introducing a new set of evaluation criteria inspired by Schmitt’s criteria.In summary, while SAW and WPM offer different approaches to decision-making, they both have their strengths and weaknesses in the context of cyber-attack modeling. The proposed strategy aims to overcome some of these limitations and improve the accuracy and efficiency of the assessment process [22]. Creating a fresh text input for system settings involves significant effort and cost due to its intricate nature. To streamline this process, a systematic approach needs to be devised. This entails crafting a prototype and subjecting it to real-world testing with actual users. Despite the time-consuming nature of mastering text input methods, thorough testing within system environments is crucial. Nonetheless, conducting longitudinal user studies poses considerable challenges [23]. Despite the numerous benefits, Industry 5.0 prioritizes enhancing security, efficiency, and adaptability within various sectors. Smart Manufacturing, a cornerstone of Industry 5.0, revolves around the integration of manufacturing processes, warehousing, mechanical equipment, and facility centers, alongside diverse elements like distribution networks. This integration fosters interconnectedness throughout the entire supply chain, promoting intellectual synergy and enabling a cohesive network [24]. These four methods share some similarities but also exhibit differences. For instance, while STA operates as a mathematical programming method, the other three methods are heuristic in nature. STA employs a restricted sequential optimization approach, ensuring solutions within specified test specifications. It guarantees full compliance but is limited in flexibility. Conversely, the other three methods tailor test specifications to specific objectives, treating them as guidelines rather than strict rules. Tests are optimized to achieve target values, allowing for flexibility until certain thresholds are exceeded. However, for WDM, WPM, and MPI, while potential solutions can be identified, meeting all test specifications may not be feasible [25]. Essentially, the method involves abstaining from touching the screen directly, instead relying on detection of maximum touch proximity for interaction. Various strategies and systems are employed for opportunities and monitoring. This includes inputting text via audio feedback and utilizing 6-bit Braille encoding for single and double character input.
It facilitates manual input for individuals proficient in Braille, particularly benefiting blind users. Through a longitudinal study involving participants, Perk input demonstrated notably faster and accurate input compared to iPhone’s Voiceover, especially for onehanded operation. A case study assessing expert performance revealed an average session speed of 17.56 words per minute (WPM) with a low error rate of 0.14% using one-handed input [26]. Alternative and Augmentative Communication (AAC) is a method designed to assist individuals with speech impairments in communicating effectively. With a focus on improving communication accessibility, AAC seeks to explore various means to facilitate interaction. In the United States, approximately 2 million people encounter challenges in communication due to various factors. AAC encompasses electronic mediums and devices, including artificial speech output, to aid in communication. However, a notable challenge with communication devices is their slower pace compared to natural speech [27]. Various options have been suggested, rendering the selection of robots a significant and challenging endeavor. This task is not confined to a single instance and has been tackled through several proposed methods. One such approach, the Polygons Area Method (PAM), is employed in this study to address the multi-attribute nature of the robot selection problem. PAM facilitates decision-making by utilizing Radar Charts derived from robot attributes, with the maximum polygon area serving as a criterion [28]. As an expansion of cyberspace, these gadgets liberate us from the confines of traditional computers, paving the way for a future saturated with readily available information. However, the advancement of Pervasive Computing encounters a hurdle in the form of text input barriers. For instance, a recent study clearly demonstrated the usefulness of tablet computers in households. Nevertheless, the inefficiency of text input methods on tablets, such as for chatting, emailing, or entering URLs, has made typical applications more challenging to use [29]. In this paper, we delve into forthcoming examinations aimed at fostering a deeper engagement between researchers and our subject matter. We adopt a systematic approach to explore the realm of mid-air text entry, scrutinizing its design landscape. Our study furnishes significant contributions in terms of enhanced clarity and comprehensibility through the integration of high-resolution visuals tailored to the pertinent usage contexts. We investigate three distinct mid-air text entry techniques, offering valuable insights into their assessment and presentation modalities. These approaches draw inspiration from varied domains, encompassing adaptations of successful methodologies such as game controller text entry, mobile phone text entry, and established mid-air text entry methods. Additionally, we outline prospective advancements in mid-air text entry techniques, laying a robust foundation for future comparisons and evaluations [30].
Table 1. Wireless Sensor Networks |
||||
|
Coverage and Connectivity |
Data Accuracy and Reliability |
Latency and Throughput |
Fault Tolerance and Robustness |
Wireless Communication |
102.25 |
150.63 |
22.15 |
23.10 |
Data Aggregation |
103.35 |
132.16 |
33.14 |
63.20 |
Routing Protocols |
104.45 |
130.46 |
66.15 |
43.50 |
Fault Tolerance |
105.56 |
195.20 |
77.14 |
73.80 |
Internet of Things (IoT) |
108.85 |
176.35 |
88.19 |
33.48 |
Table 2. Performance value |
||||
|
Performance value |
|||
Wireless Communication |
0.93937 |
0.77167 |
1.00000 |
1.00000 |
Data Aggregation |
0.94947 |
0.67705 |
0.66838 |
0.36551 |
Routing Protocols |
0.95958 |
0.66834 |
0.33485 |
0.53103 |
Fault Tolerance |
0.96977 |
1.00000 |
0.28714 |
0.31301 |
Internet of Things (IoT) |
1.00000 |
0.90343 |
0.25116 |
0.68996 |
Table 3. Weightages |
|||
Weight |
|||
0.25 |
0.25 |
0.25 |
0.25 |
0.25 |
0.25 |
0.25 |
0.25 |
0.25 |
0.25 |
0.25 |
0.25 |
0.25 |
0.25 |
0.25 |
0.25 |
0.25 |
0.25 |
0.25 |
0.25 |
Table 4. Weighted Normalized Decision Matrix |
||||
|
Weighted normalized decision matrix |
|||
Wireless Communication |
0.98448 |
0.93726 |
1.00000 |
1.00000 |
Data Aggregation |
0.98712 |
0.90710 |
0.90418 |
0.77754 |
Routing Protocols |
0.98974 |
0.90417 |
0.76070 |
0.85365 |
Fault Tolerance |
0.99236 |
1.00000 |
0.73202 |
0.74798 |
Internet of Things (IoT) |
1.00000 |
0.97493 |
0.70793 |
0.91139 |
Table 5. Preference Score & Rank |
||
|
Preference Score |
Rank |
Wireless Communication |
0.92271 |
1 |
Data Aggregation |
0.62951 |
2 |
Routing Protocols |
0.58111 |
4 |
Fault Tolerance |
0.54335 |
5 |
Internet of Things (IoT) |
0.62903 |
3 |
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