Abstract
In this paper, we propose a consistent random backoff (CRB) scheme to reduce the channel access delay jitter in voice over wireless local area networks. In the CRB scheme, a contention window (CW) size at each backoff stage is determined by hashing the session identifier and the talk spurt index. Therefore, all packets in the same talk spurt of a session have the same CW sizes if they are transmitted at the same backoff stage. Since a modulo-division operation with the identical maximum CW value is applied, fairness with the legacy backoff scheme (i.e.; binary exponential backoff) is also provided. Extensive simulation results demonstrate that the CRB scheme can reduce the channel access delay jitter by 54 %.
| Original language | English |
|---|---|
| Pages (from-to) | 1379-1390 |
| Number of pages | 12 |
| Journal | Wireless Personal Communications |
| Volume | 69 |
| Issue number | 4 |
| DOIs | |
| Publication status | Published - 2013 Apr 1 |
Fingerprint
Keywords
- Binary exponential backoff
- Consistent hashing
- Consistent random backoff
- Voice over WLANs
ASJC Scopus subject areas
- Electrical and Electronic Engineering
- Computer Science Applications
Cite this
A cross-layer approach to reduce channel access delay jitter in IEEE 802.11 WLANs. / Pack, Sangheon; Kim, Kihun; Kim, Wonjung; Song, Taewon; Min, Seongman.
In: Wireless Personal Communications, Vol. 69, No. 4, 01.04.2013, p. 1379-1390.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - A cross-layer approach to reduce channel access delay jitter in IEEE 802.11 WLANs
AU - Pack, Sangheon
AU - Kim, Kihun
AU - Kim, Wonjung
AU - Song, Taewon
AU - Min, Seongman
PY - 2013/4/1
Y1 - 2013/4/1
N2 - In this paper, we propose a consistent random backoff (CRB) scheme to reduce the channel access delay jitter in voice over wireless local area networks. In the CRB scheme, a contention window (CW) size at each backoff stage is determined by hashing the session identifier and the talk spurt index. Therefore, all packets in the same talk spurt of a session have the same CW sizes if they are transmitted at the same backoff stage. Since a modulo-division operation with the identical maximum CW value is applied, fairness with the legacy backoff scheme (i.e.; binary exponential backoff) is also provided. Extensive simulation results demonstrate that the CRB scheme can reduce the channel access delay jitter by 54 %.
AB - In this paper, we propose a consistent random backoff (CRB) scheme to reduce the channel access delay jitter in voice over wireless local area networks. In the CRB scheme, a contention window (CW) size at each backoff stage is determined by hashing the session identifier and the talk spurt index. Therefore, all packets in the same talk spurt of a session have the same CW sizes if they are transmitted at the same backoff stage. Since a modulo-division operation with the identical maximum CW value is applied, fairness with the legacy backoff scheme (i.e.; binary exponential backoff) is also provided. Extensive simulation results demonstrate that the CRB scheme can reduce the channel access delay jitter by 54 %.
KW - Binary exponential backoff
KW - Consistent hashing
KW - Consistent random backoff
KW - Voice over WLANs
UR - http://www.scopus.com/inward/record.url?scp=84879696147&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=84879696147&partnerID=8YFLogxK
U2 - 10.1007/s11277-012-0639-x
DO - 10.1007/s11277-012-0639-x
M3 - Article
VL - 69
SP - 1379
EP - 1390
JO - Wireless Personal Communications
JF - Wireless Personal Communications
SN - 0929-6212
IS - 4
ER -