HW06 - R2. The four type of wireless networks identified in...

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R2. The four type of wireless networks identified in our taxonomy in section 6.1 are Single Hop, Infrastructure based Single Hop, Infrastructure based Multi Hop, Infrastructure based Multi Hop, Infrastructure less The types we have used are Single Hop, Infrastructure : based in café and library, cellular phones Single Hop, Infrastructure based: Bluetooth to transfer pictures or ringtones with friends R3. The differences between the following types of wireless channel impairments Path loss: Electromagnetic radiation attenuates as it passes through matter. Like radio signal passing through a wall. Even in free space, the signal will disperse, resulting in decreased signal strength as the distance between sender and receiver increases. Multipath propagation : This occurs when portions of electromagnetic wave reflect off objects and the ground , taking paths of different lengths between a sender and a receiver. Interference from other resources: Radio sources transmitting the same frequency band will
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This note was uploaded on 02/28/2012 for the course IS 450 taught by Professor Martens,j during the Spring '08 term at UMBC.

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