Energy Efficient Wireless Sensor Networks
143 papers on this topic
On the Prediction of Wi-Fi Performance through Deep Learning
Ensuring reliable and predictable communications is one of the main goals in modern industrial systems that rely on Wi-Fi networks, especially in scenarios where continuity of operation and low...
ADR-Lite: A Low-Complexity Adaptive Data Rate Scheme for the LoRa Network
The long-range and low energy consumption requirements in Internet of Things (IoT) applications have led to a new wireless communication technology known as Low Power Wide Area Network (LPWANs)....
Measurement, Characterization and Modeling of LoRa Technology in Multi-floor Buildings
In recent years, we have witnessed the rapid development of LoRa technology, together with extensive studies trying to understand its performance in various application settings. In contrast to...
Efficient Sensor Scheduling Strategy Based on Spatio-temporal Scope Information Model
In this paper, based on the spatio-temporal correlation of sensor nodes in the Internet of Things (IoT), a Spatio-temporal Scope information model (SSIM) is proposed to quantify the scope valuable...
On the Performance of Irregular Repetition Slotted ALOHA with an Age of Information Threshold
The present paper focuses on an IoT setting in which a large number of devices generate time-stamped updates addressed to a common gateway. Medium access is regulated following a grant-free...
Deep reinforcement learning for automatic run-time adaptation of UWB PHY radio settings
Ultra-wideband technology has become increasingly popular for indoor localization and location-based services. This has led recent advances to be focused on reducing the ranging errors, whilst...
Joint Allocation Strategies of Power and Spreading Factors with Imperfect Orthogonality in LoRa Networks
The LoRa physical layer is one of the most promising Low Power Wide-Area Network (LPWAN) technologies for future Internet of Things (IoT) applications. It provides a flexible adaptation of...
Towards Multi-agent Reinforcement Learning for Wireless Network Protocol Synthesis
This paper proposes a multi-agent reinforcement learning based medium access framework for wireless networks. The access problem is formulated as a Markov Decision Process (MDP), and solved using...
Quick and Reliable LoRa Physical-layer Data Aggregation through Multi-Packet Reception
This paper presents a Long Range (LoRa) physical-layer data aggregation system (LoRaPDA) that aggregates data (e.g., sum, average, min, max) directly in the physical layer. In particular, after...
Contention Based Proportional Fairness (CBPF) Transmission Scheme for Time Slotted Channel Hopping Networks
Time Slotted Channel Hopping (TSCH) is a Medium Access Control (MAC) protocol introduced in IEEE802.15.4e standard, addressing low power requirements of the Internet of Things (IoT) and Low Power...
Design of Link-Quality-prediction-based Software-Defined Wireless Sensor Networks
In wireless multi-hop networks, the instability of the wireless links leads to unstable networking. Even in the newly designed Software-Defined Wireless Sensor Networks (SDWSN), similar problems...
Challenges, Designs, and Performances of a Distributed Algorithm for Minimum-Latency of Data-Aggregation in Multi-Channel WSNs
In wireless sensor networks (WSNs), the sensed data by sensors need to be gathered, so that one very important application is periodical data collection. There is much effort which aimed at the...
Low-Power Wide-Area Networks for Sustainable IoT
Low-power wide-area (LPWA) networks are attracting extensive attention because of their abilities to offer low-cost and massive connectivity to Internet of Things (IoT) devices distributed over...
Resilient Service Embedding In IoT Networks
The Internet of Things (IoT) has been applied to a large number of heterogeneous devices and is used in the deployment of a variety of applications on the basis of its distributed open...
Toward Fault-Tolerant Deadlock-Free Routing in HyperSurface-Embedded Controller Networks
HyperSurfaces (HSFs) consist of structurally reconfigurable metasurfaces whose electromagnetic properties can be changed via a software interface, using an embedded miniaturized network of...
Cooperative Relaying in LoRa Sensor Networks
We propose a communication scheme with relays to improve the reliability of a Long Range (LoRa) sensor network with duty-cycle limitations. The relays overhear the sensors' transmissions and...
On the Practical Implementation of Propagation Delay and Clock Skew Compensated High-Precision Time Synchronization Schemes with Resource-Constrained Sensor Nodes in Multi-Hop Wireless Sensor Networks
In wireless sensor networks (WSNs), implementing a high-precision time synchronization scheme on resource-constrained sensor nodes is a major challenge. Our investigation of the practical...
Movement-efficient Sensor Deployment in Wireless Sensor Networks with Limited Communication Range
We study a mobile wireless sensor network (MWSN) consisting of multiple mobile sensors or robots. Three key factors in MWSNs, sensing quality, energy consumption, and connectivity, have attracted...