Bachelorarbeit, 2015
42 Seiten, Note: 2,00
1 Introduction
1.1 Background and Challenges
1.2 Scope and Outline of this Thesis
2 Wireless Networking Technologies
2.1 Wireless Body Area Network
2.2 Wireless Personal Area Network
2.3 Wireless Local Area Network
2.4 Wireless Campus Area Network
2.5 Wireless Metropolitan Area Network
2.6 Wireless Wide Area Network
2.7 Wireless Regional Area Network
2.8 Wireless Global Area Network
3 Smart Home
3.1 Wireless Home Entertainment Networks
3.2 Wireless Home Automation Networks
3.3 Wireless Machine-To-Machine Networks
3.4 Wireless Home Networks
4 Wireless Personal Area Networking Technologies
4.1 Bluetooth
4.1.1 Networking Architecture
4.1.2 Bluetooth Protocol Stack
4.1.3 Physical Layer
4.1.4 Medium Access Control Mechanism
4.1.5 Packet Frame Formats
4.2 Bluetooth Smart
4.2.1 Networking Architecture
4.2.2 Bluetooth Smart Protocol Stack
4.2.3 Physical Layer
4.2.4 Packet Frame Formats
4.3 UWB
4.3.1 Direct Sequence Ultra Wideband
4.3.2 Multiband Orthogonal Frequency-Division Multiplexing
4.3.3 Summary of UWB technologies
4.4 IEEE 802.15.4
4.5 ZigBee
4.5.1 Networking Architecture
4.5.2 ZigBee Protocol Stack
4.6 6LoWPAN
4.6.1 Networking Architecture
4.6.2 6LoWPAN Protocol Stack
4.7 Wi-Fi
4.7.1 Directional Communication
4.7.2 Physical Layer
4.7.3 Networking Architecture
4.7.4 Packet Frame Formats
5 Key Parameters
6 Evaluation and Comparison
7 Conclusion and Future Work
The primary objective of this thesis is to provide a comprehensive analysis and comparison of various wireless personal area networking (WPAN) technologies to determine their suitability for energy-efficient Smart Home applications. The work addresses the technical challenges faced by product managers and engineers when selecting appropriate standards for diverse home network scenarios.
4.1 Bluetooth
Bluetooth was originally designed for replacement of cables in WPAN. The IEEE 802.15 group was founded to develop an open standard for the first WPAN technology. At the time of writing, IEEE 802.15.1 Bluetooth is part and parcel of every mobile phone currently manufactured on this planet and also known under the synonym Bluetooth Classic. Because the IEEE 802.15.1 standard is operating at 2.45 GHz where the IEEE 802.11 standard operates, coexistence and interference are part of the standard.
The frequency band used by those standards is the ISM. It ranges from 2.4 GHz to 2.4835 GHz.
The data rate of Bluetooth is considerably lower than those of IEEE 802.11 Wi-Fi networks, but Bluetooth incorporates a mechanism featuring voice applications.
The Bluetooth standard defines three operating scenarios. The first scenario is cable replacement of WPAN devices. This enables the use of Bluetooth enabled mice or keyboards. The second scenario defines Bluetooth as an ad-hoc networking technology for interconnecting several users, for example during meetings and conferences. The third scenario enables Bluetooth devices to operate an access point to the voice and data services of cellular, wired or satellite networks.
1 Introduction: Provides the motivation for the thesis by highlighting the growing prevalence of wireless technologies and defining the research question regarding optimal technology selection for Smart Home applications.
2 Wireless Networking Technologies: Surveys the landscape of wireless communication, categorizing networks from the personal body area scale up to global networks.
3 Smart Home: Examines the requirements and specific types of Smart Home networks, including entertainment, automation, and machine-to-machine connectivity.
4 Wireless Personal Area Networking Technologies: Offers an in-depth technical discussion of key WPAN standards, focusing on architecture, protocols, and modulation techniques.
5 Key Parameters: Defines the evaluation criteria, such as energy efficiency and throughput, necessary for assessing the performance of networking protocols.
6 Evaluation and Comparison: Conducts a comparative study of the discussed technologies using manufacturer-specific chipset data and assessing their aptitude for various Smart Home segments.
7 Conclusion and Future Work: Summarizes findings and suggests that further simulation-based experimentation could enhance the development of future energy-efficient Smart Home solutions.
WPAN, Smart Home, Bluetooth, Bluetooth Smart, UWB, ZigBee, 6LoWPAN, Wi-Fi, 802.11ad, Energy Efficiency, Internet of Things, Network Architecture, IEEE 802.15.4, Ubiquitous Computing, Wireless Communication.
The research focuses on analyzing and comparing various wireless personal area networking technologies to identify the most suitable solutions for energy-efficient Smart Home environments.
The thesis evaluates Bluetooth, Bluetooth Smart, Ultra Wideband (UWB), ZigBee, 6LoWPAN, and the IEEE 802.11ad (Wi-Fi) standard.
The work seeks to answer what the key differences are among wireless personal area networking technologies regarding their selection for low-power Smart Home applications.
The author uses a literature-based review combined with a technical comparison of manufacturer-specific chipset data to evaluate performance parameters such as energy consumption and scalability.
The main body details the technical specifications, networking architectures, protocol stacks, and physical layers of the mentioned wireless standards before conducting a comparative aptitude assessment.
Key terms include WPAN, Smart Home, Bluetooth, ZigBee, 6LoWPAN, UWB, and energy efficiency in the context of modern wireless communication.
6LoWPAN is preferred for automation because it is designed for integration into IP-based networks, features low power consumption, and supports a high number of nodes, whereas standard Bluetooth has limitations regarding node count and IP integration.
Unlike the low-power sensor-focused standards, 802.11ad is designed for high-speed data transmission (multi-gigabit) to handle rich media content, utilizing directional communication and the 60 GHz band.
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