Advanced

A Performance Investigation of the Modified PCF with Priority Scheme

Kanjanavapastit, Apichan and Landfeldt, Björn LU (2005) In ECTI Transactions 3(1). p.2-9
Abstract
A modified version of the point coordination function

(PCF) in the IEEE 802.11 standard called Modified

PCF has been introduced as an approach to improve

channel utilization over the standard. It has

been shown in our previous work that the utilization

of the wireless channel can be significantly improved.

In this paper, we investigate the performance

of the Modified PCF when it is applied with a priority

scheme to support prioritization for different traffic

types such as interactive voice and video and realtime

data. The investigation is done via simulation

method. To illustrate the efficiency of the priority

scheme, we compare its... (More)
A modified version of the point coordination function

(PCF) in the IEEE 802.11 standard called Modified

PCF has been introduced as an approach to improve

channel utilization over the standard. It has

been shown in our previous work that the utilization

of the wireless channel can be significantly improved.

In this paper, we investigate the performance

of the Modified PCF when it is applied with a priority

scheme to support prioritization for different traffic

types such as interactive voice and video and realtime

data. The investigation is done via simulation

method. To illustrate the efficiency of the priority

scheme, we compare its simulation results with some

standardized protocols: the distributed coordination

function (DCF), the enhanced distributed channel access

(EDCA), and the standard PCF, and our previously

proposed protocol: the Modified PCF without

priority scheme. The simulation results show that

Modified PCF with priority scheme can provide better

quality of service (QoS) support to different traffic

types and also support a higher number of stations

which carry data traffic than the previous proposals. (Less)
Please use this url to cite or link to this publication:
author
publishing date
type
Contribution to journal
publication status
published
subject
in
ECTI Transactions
volume
3
issue
1
pages
2 - 9
publisher
Electrical Engineering/Electronics, Computer, Communications and Information Technology Association (ECTI)
ISSN
1685-9545
language
English
LU publication?
no
id
8929cec3-31f8-499f-a039-953f6ccef55e (old id 3173130)
alternative location
http://www.ecti-thailand.org/assets/papers/142_pub_9.pdf
date added to LUP
2012-11-20 12:42:04
date last changed
2016-06-29 09:06:42
@article{8929cec3-31f8-499f-a039-953f6ccef55e,
  abstract     = {A modified version of the point coordination function<br/><br>
(PCF) in the IEEE 802.11 standard called Modified<br/><br>
PCF has been introduced as an approach to improve<br/><br>
channel utilization over the standard. It has<br/><br>
been shown in our previous work that the utilization<br/><br>
of the wireless channel can be significantly improved.<br/><br>
In this paper, we investigate the performance<br/><br>
of the Modified PCF when it is applied with a priority<br/><br>
scheme to support prioritization for different traffic<br/><br>
types such as interactive voice and video and realtime<br/><br>
data. The investigation is done via simulation<br/><br>
method. To illustrate the efficiency of the priority<br/><br>
scheme, we compare its simulation results with some<br/><br>
standardized protocols: the distributed coordination<br/><br>
function (DCF), the enhanced distributed channel access<br/><br>
(EDCA), and the standard PCF, and our previously<br/><br>
proposed protocol: the Modified PCF without<br/><br>
priority scheme. The simulation results show that<br/><br>
Modified PCF with priority scheme can provide better<br/><br>
quality of service (QoS) support to different traffic<br/><br>
types and also support a higher number of stations<br/><br>
which carry data traffic than the previous proposals.},
  author       = {Kanjanavapastit, Apichan and Landfeldt, Björn},
  issn         = {1685-9545},
  language     = {eng},
  number       = {1},
  pages        = {2--9},
  publisher    = {Electrical Engineering/Electronics, Computer, Communications and Information Technology Association (ECTI)},
  series       = {ECTI Transactions},
  title        = {A Performance Investigation of the Modified PCF with Priority Scheme},
  volume       = {3},
  year         = {2005},
}