面向能量收集无线传感器网络中继预选择和资源分配研究
发布时间:2024-12-21 02:01
无线通信和电子技术的进步使得低成本、低功耗、多功能传感器节点性能得到极大的提高,这些微小的传感器节点由传感、数据处理和通信组件组成,无线传感器网络由大量的传感器节点组成,上述特性确保了无线传感器网络被广泛应用在各个领域。在军事上,无线传感器网络的快速部署、自组织和容错特性使其成为一种非常有前途的传感技术,用于军事指挥、控制、通信、计算、情报、监视、侦察和目标系统;在健康方面,无线传感器节点可以用于监测病人和帮助残疾病人,用于协助医生对病人准确诊断治疗;在家庭方面,用于家庭安防报警系统,家庭数据采集,家电及家庭电子设备的控制满足人们的美好生活需求;在工业安全方面,可用于危险的生产环境,可以随时监控工作环境的安全状况,为工作人员的安全提供保障;在智能交通方面,可以为智能交通系统的信息采集和信息传输提供一种有效手段,从根本上解决困扰现代交通的问题;在生态监测和灾害预警方面,用于监测自然环境污染情况和提前预警自然灾害的发生;其他一些商业应用领域包括管理库存、监视产品质量和运输监测。无线传感器网络无法像有线那样提供稳定的能量,在这些领域的广泛应用,信息的采集和传输会消耗大量的能量。目前,在解决耗能...
【文章页数】:79 页
【学位级别】:硕士
【文章目录】:
摘要
Abstract
Acknowledgement
Nomenclature
Chapter 1 Introduction
1.1 Background
1.2 Purpose and Motivation
1.3 Contributions
1.4 Dissertation outline
Chapter 2 Literature Review
2.1 The Applications of WSNs
2.2 Energy Harvesting
2.3 Relay Selection
2.4 Resource Allocation
2.5 Subgradient Algorithm
2.6 Summary
Chapter 3 EH-WSN System Model
3.1 Channel Model and Transmission Model
3.2 Energy Harvesting Model
3.3 Summary
Chapter 4 Relay Pre-selection For EH-WSNs
4.1 Relay Pre-Selection Schemes
4.1.1 MHE Scheme
4.1.2 MSNR Scheme
4.1.3 Hybrid Scheme of MHE and MSNR
4.2 Simulations
4.3 Summary
Chapter 5 Resource Allocation For EH-WSNs
5.1 Joint Design of Power Allocation and Time Switching
5.1.1 Under MHE Scheme
5.1.2 Under MSNR Scheme
5.1.3 Under Hybrid Scheme
5.2 Simulations
5.3 Summary
Conclusions
References
本文编号:4018216
【文章页数】:79 页
【学位级别】:硕士
【文章目录】:
摘要
Abstract
Acknowledgement
Nomenclature
Chapter 1 Introduction
1.1 Background
1.2 Purpose and Motivation
1.3 Contributions
1.4 Dissertation outline
Chapter 2 Literature Review
2.1 The Applications of WSNs
2.2 Energy Harvesting
2.3 Relay Selection
2.4 Resource Allocation
2.5 Subgradient Algorithm
2.6 Summary
Chapter 3 EH-WSN System Model
3.1 Channel Model and Transmission Model
3.2 Energy Harvesting Model
3.3 Summary
Chapter 4 Relay Pre-selection For EH-WSNs
4.1 Relay Pre-Selection Schemes
4.1.1 MHE Scheme
4.1.2 MSNR Scheme
4.1.3 Hybrid Scheme of MHE and MSNR
4.2 Simulations
4.3 Summary
Chapter 5 Resource Allocation For EH-WSNs
5.1 Joint Design of Power Allocation and Time Switching
5.1.1 Under MHE Scheme
5.1.2 Under MSNR Scheme
5.1.3 Under Hybrid Scheme
5.2 Simulations
5.3 Summary
Conclusions
References
本文编号:4018216
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