Fachbereich Elektrotechnik & Informatik
Kommunikationssysteme & Verteilte Systeme
FACH
HOCHSCHULE
LÜBECK
University of Applied Sciences
Mobile Communications
Chapter 1:
Introduction
Prof. Dr. Horst Hellbrück
FACH
HOCHSCHULE
LÜBECK
University of Applied Sciences
What do you think Mobile Communications is about?
Do you know some Terms or Technologies already?
Prof. Dr. Horst Hellbrück Mobile Communications - 01 Introduction #2
FACH
HOCHSCHULE
LÜBECK
University of Applied Sciences
Learning Goals for Students are:
■ Acquire a basic Understanding of Mobile Communication
Systems
● Explain important Technologies in Wireless Networking.
● Based on a given mobile Application derive the wireless
Network Classification and Quality of Service
Requirements.
Goals of this Chapter
Requirements.
● Understand that wireless Transmission was established
before guided Transmission.
● Compare and distinguish the different Applications and
Markets for Mobile Solutions.
● Describe the Influence of wireless Transmission and
Mobility on the different OSI-Layers.
● Distinguish between Infrastructure und Ad-Hoc Modus.
Prof. Dr. Horst Hellbrück Mobile Communications - 01 Introduction #3
FACH
HOCHSCHULE
LÜBECK
University of Applied Sciences
■ Motivation:
● Benefits
● Devices
● Market estimations
■ Standards:
●
Layers Review
Overview
●
Layers Review
● 802.11(a/b/...), Bluetooth, Hiperlan
■ Applications:
● Infrastructure
(GSM/UMTS)
● Ad-Hoc Networks
Sensor Networks
● Research Areas
Prof. Dr. Horst Hellbrück Mobile Communications - 01 Introduction #4
FACH
HOCHSCHULE
LÜBECK
University of Applied Sciences
Mobile & Wireless Services in the
Future?
LAN
100 Mbit/s,
WLAN
54 Mbit/s
UMTS, GSM
115 kbit/s
GSM 53 kbit/s
Bluetooth 500 kbit/s
LAN, WLAN
780 kbit/s
Always Best Connected
Prof. Dr. Horst Hellbrück Mobile Communications - 01 Introduction
UMTS,
DECT
2 Mbit/s
UMTS, GSM
384 kbit/s
GSM 115 kbit/s,
WLAN 11 Mbit/s
GSM/EDGE 384 kbit/s,
WLAN 780 kbit/s
Always Best Connected
#5
