Coupled IEEE 802.11ac and TCP Goodput improvement using Aggregation and Reverse Direction
Oran Sharon Yaron Alpert












Coupled IEEE 802.11ac and TCP Goodput improvement
using Aggregation and Reverse Direction
    
Oran Sharon
Corresponding author: oran@netanya.ac.il, Tel: 972-4-9831406,
Fax: 972-4-9930525 

Department of Computer Science 

Netanya Academic College 

1 University St. 

Netanya, 42365 Israel
Yaron Alpert

Intel

13 Zarchin St.

Ra'anana, 43662, Israel

Yaron.alpert@intel.com

    
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This paper suggests a new model for the transmission
of Transmission Control Protocol (TCP)
traffic over IEEE 802.11 using
the new features of IEEE 802.11ac . The paper
examines a first step in this direction and as
such we first consider a single TCP connection, which is
typical in a home environment. 
We show that when the IEEE 802.11ac MAC is
aware of QoS TCP traffic, using Reverse Direction improves
the TCP Goodput in tens of percentages compared to the
traditional contention
based channel access. In an error-free channel this improvement
is 20% while in an error-prone channel the improvement
reaches 60%, also using blind retransmission of frames.
In our operation modes we also assume the use in Two-Level aggregation
scheme, the Automatic Repeat-Request (ARQ)
protocol of the IEEE 802.11ac MAC layer
and also assume the data rates
and the four Access Categories defined in this standard.




Keywords: 802.11ac; TCP; Aggregation; Reverse Direction; Goodput;







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