Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: An analytic study of a distributed EDCA-based QoS mapping for layered
  video delivery in WLAN   One of the key challenges in multimedia networks is video delivery over
wireless channels. MRC (Multi-Resolution Coding) Layered video, divides video
into a base layer and multiple enhancement layers. In this paper, we aim to
improve video quality, impacted by high channel contention, through mapping
individual video layers to EDCA (Enhanced Distributed Channel Access) access
categories in order to maximize the average number of reconstructed video
layers. We propose an adaptive cross layer video layers mapping technique that
optimally enhances the QoS of wireless video transmission over IEEE 802.11e
EDCA priority queues. The optimization is based on a dynamic program that takes
into account the EDCA parameters and the layered dependency nature of layered
video delivery. Our proposed technique makes use of a channel delay estimation
model and an estimation of average video useful layers delivered. The optimal
mapping strategies are selected by an optimization module based on the
information from the analytical model. The accuracy of our optimized mapping
technique performance is verified through extensive simulations. The obtained
results illustrate significant trade-off between complexity and delivered video
quality for canonical mapping schemes.

17
The categories of this paper are: q-fin
35
The categories of this paper are: mtrl-th
21
The categories of this paper are: adap-org
8
The categories of this paper are: hep-ex
31
The categories of this paper are: ao-sci
24
The categories of this paper are: dg-ga
29
The categories of this paper are: funct-an
13
The categories of this paper are: quant-ph
4
The categories of this paper are: cond-mat
37
The categories of this paper are: supr-con
34
The categories of this paper are: chem-ph
26
The categories of this paper are: bayes-an
27
The categories of this paper are: comp-gas
11
The categories of this paper are: hep-lat
5
The categories of this paper are: gr-qc
12
The categories of this paper are: nucl-th