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Embedded Systems Engineering II


Camera Anja Michaela Kaiser
by Dr.-Ing. Andreas Reinhardt

in winter semester 2015/2016

Course number: W 1229

Die Vorlesung führt in die besonderen Methoden der Entwicklung integrierter, eingebetteter Systeme ein.
Hierbei werden insbesondere zwei Themenbereiche behandelt: "Entwurfsmethodik digitaler Systeme" sowie "Programmierbare Systeme und Entwurfssprachen.

Die Besonderheit eingebetteter Systeme besteht darin, dass - neben der korrekten logischen Funktionalität - auch Randbedingungen wie die Einhaltung von Zeitschranken, Energiebetrachtungen etc. erfüllt werden müssen. Dies führt dazu, dass besondere Enwicklungsmethodiken anzuwenden sind, ggf. auch andere Modellbeschreibungen bzw. Programmiersprachen.

Die Vorlesung ist wie folgt gegliedert:
1. Allgemeine Einführung in die Entwurfsmethodik digitaler Systeme
2. Programmierbare Systeme und Entwurfssprachen
3. Betriebssysteme als virtuelle Maschinen
4. Fallstudie: Verteilte, eingebettete Applikation

Additional information about the lecture:
Institut für Informatik or in the directory of lectures

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Lectures


Motivation, overview and typical application areas of networked embedded systems

Lecture no. 1
Recording date: 19.Sep.2016 | 3 Views

01:14:17

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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
Recording date: 19.Sep.2016 | 3 Views

01:28:28

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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
Recording date: 19.Sep.2016 | 0 Views

01:32:36

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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
Recording date: 21.Sep.2016 | 0 Views

01:30:05

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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
Recording date: 21.Sep.2016 | 0 Views

01:24:44

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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
Recording date: 21.Sep.2016 | 1 Views

01:26:35

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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
Recording date: 21.Sep.2016 | 0 Views

01:31:09

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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
Recording date: 21.Sep.2016 | 0 Views

01:31:18

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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
Recording date: 21.Sep.2016 | 3 Views

01:20:51

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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
Recording date: 21.Sep.2016 | 2 Views

01:22:04

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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
Recording date: 21.Sep.2016 | 7 Views

01:29:47

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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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