Short communication: Aggregate download throughput for TCP-controlled long file transfers in a WLAN with multiple STA-AP association rates

Authors:
Pradeepa B.K.;Joy Kuri
Affiliations:
-;-
Venue:
Performance Evaluation
Year:
2012

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Abstract

We consider several WLAN stations associated at rates r"1,r"2,...,r"k with an Access Point. Each station (STA) is downloading a long file from a local server, located on the LAN to which the Access Point (AP) is attached, using TCP. We assume that a TCP ACK will be produced after the reception of d packets at an STA. We model these simultaneous TCP-controlled transfers using a semi-Markov process. Our analytical approach leads to a procedure to compute aggregate download, as well as per-STA throughputs, numerically, and the results match simulations very well.