Video-Server > Vorlesungen > Embedded Systems Engineering II

Embedded Systems Engineering II

by Dr.-Ing. Andreas Reinhardt

15:51 hrs544 Views27.Oct.2015
Camera Anja Michaela Kaiser

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Lectures


Motivation, overview and typical application areas of networked embedded systems

Lecture no. 1

01:14 hrs19.Sep.201672 Views

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Topics:
Networking infrastructure: Infrastructure-based vs. infrastructure-less networks, Challenges of infrastructure-less networks. Wireless Sensor Networks (WSNs): Evolution of embedded sensing systems, Commonalities and differences to other network types, Challenges and limitations of the WSN concept. Application areas for WSNs. Overview of topics covered in the coming weeks.

Sensor node hardware architecture

Lecture no. 2

01:28 hrs19.Sep.201671 Views

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Topics:
General WSN device components and architectures, Sensing and actuation: Analog and digital sensor/actuator interfaces, Processing: Characteristics of microcontroller units, Communication: Radio transceiver technologies
Real-world devices and prototypes

Operating Systems and the Protocol Stack

Lecture no. 3

01:32 hrs19.Sep.201645 Views

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Topics:
Typical WSN operating systems: Requirements to WSN operating systems, Fundamental concepts in TinyOS, TinyOS system internals; The WSN protocol stack: Physical layer

Moving Upwards in the Protocol Stack

Lecture no. 4

01:30 hrs21.Sep.201651 Views

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Topics:
Data link layer: Framing, Error detection: Focus on the IEEE 802.15.4 standard; Medium Access Control: Contention-free protocols, Contention-based protocols, Collision avoidance

Medium Access Control

Lecture no. 5

01:24 hrs21.Sep.201654 Views

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Topics:
Properties of MAC protocols ins WSNs: Energy efficiency, Scalability, Adaptability; Contention-free MAC protocols for WSNs: IEEE 802.15.4 beacon mode, LMAC, GinMAC; Contention-based MAC protocols for WSNs: B-MAC, S-MAC, T-MAC

Medium Access Control

Lecture no. 6

01:26 hrs21.Sep.201644 Views

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Topics:
Continuation of our discussion of contention-based MAC protocols: More details on T-MAC (Timeout-MAC), WiseMAC (Wireless Sensor MAC), RI-MAC (Receiver-Initiated MAC); Hybrid MAC protocols, with explicit phases for contention-based and contention-free access: Z-MAC (Zebra MAC), MH-MAC (Mobility Adaptive Hybrid-MAC); Summary: Key roles and characteristics of MAC protocols

Data Collection and Routing

Lecture no. 7

01:31 hrs21.Sep.201656 Views

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Topics:
Typical data flow characteristics in WSNs: Data collection: Many sources, one destination; Convergecast; Command dissemination: One source, many destinations; Multicast/broadcast

Routing

Lecture no. 8

01:31 hrs21.Sep.201635 Views

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Topics:
Typical data flow models in sensor networks: Convergecast (many-to-one), Dissemination (one-to-many), Point-to-point routing (one-to-one) - Particular focus on data-centric routing protocols; Address-centric protocols for point-to-point routing, Geographic routing

Integrating WSNs with the Internet

Lecture no. 9

01:20 hrs21.Sep.201645 Views

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Topics:
Internet-enabled WSNs: Differences to traditional WSN operation, Advantages of Internet connectivity, The Internet of Things (IoT) vision; Protocols for interoperability with the Internet: 6LoWPAN (i.e., using IPv6 in WSNs), RoLL (routing over low-power lossy networks), CoAP (constrained application protocol)

Simulating WSNs

Lecture no. 10

01:22 hrs21.Sep.201629 Views

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Topics:
Simulation of networked systems: Differences to algorithm benchmarking, Requirements to simulation tools; Basics of COOJA/MSPsim: Overview and functionalities; Testbeds: Practical validation of simulator results

Real-time aspects of embedded networking

Lecture no. 11

01:29 hrs21.Sep.201642 Views

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Topics:
Continuos vs. discrete signals: Data processing in digital computer systems, Analog-to-digital conversion of time-continous systems; Implications on the data processing on embedded systems: Asynchrony of external events, Task scheduling solutions, Software-Hardware co-design; Real-time capabilities and limitations...: ...of embedded systems in general, ...if wireless sensor networks specifically


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