Collision Recovery techniques for Wireless LANs di Sam Keene edito da VDM Verlag
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Collision Recovery techniques for Wireless LANs

Editore:

VDM Verlag

EAN:

9783639149685

ISBN:

3639149688

Pagine:
132
Formato:
Paperback
Lingua:
Tedesco
Acquistabile con o la

Descrizione Collision Recovery techniques for Wireless LANs

Collisions in wireless networks are a significantsource of packet loss. Most medium access controltechniques assume that a collision means total packetloss. However, we will show that this assumption isnot always true, and we investigate how to leveragethis fact.We first investigate fundamentally what happens whena collision occurs. We begin by deriving a physicallayer algorithm that can identify which bits havebeen corrupted by collision. This algorithmaccurately locates all collision induced errors whenthe channel signal to noise ratio is high enough forreliable communication. By leveraging this algorithm,we can produce a wide range of benefits. For example,by providing collisionlocation information, we can enhance forward errorcorrecting codes so that they may effectivelycompletely remove the collision, saving a packet thatwould otherwise be discarded.

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