Modeling the Wireless Transmission Channel


The transmission of information via a wireless channel is typically modeled as shown in Figure 3.1 [Sha48, Pro95, Sau99]. The upper part of the figure applies to any communication system: The information generated by the source is transformed into an adequate signal by the transmitter and sent via the communication channel. The channel might modify or even corrupt the signal. In the receiver the original information is aimed to be recovered and sent to the destination. Typical operations of a transmitter in a wireless communication system are: source coding, channel coding, and modulation. In the receiver the inverse operations are carried out.


Mobile Station Path Loss Antenna Gain Interference Level Antenna Pattern 
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© Deutscher Universitäts-Verlag | GWV Fachverlage GmbH, Wiesbaden 2007

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