SNR based Admission Control for HCCA in IEEE 802.11e

Author

Yoo, Jungho ; Lee, Seungbeom ; Park, Sin-Chong

Author_Institution

Sch. of Eng., Inf. & Commun. Univ., Daejeon

Volume

3

fYear

2007

fDate

12-14 Feb. 2007

Firstpage

1684

Lastpage

1687

Abstract

Based on stations´ mobility and wireless channel characteristics, the physical rate based admission control (PRBAC) is developed to increase the efficiency for HCCA in 802.11e. However, PRBAC may cause high packet drop rate due to tight transmission opportunity (TXOP) duration. This packet retransmission may hinder QoS data from transmitting packets within delay bound. In this paper, SNR based admission control for HCCA is proposed which takes account of expected successful packet transmission duration including retransmission time. Simulation results show that proposed schemes guarantee QoS at the expense of the number of admitted stations irrespective of channel condition.

Keywords

mobile radio; quality of service; telecommunication channels; telecommunication congestion control; wireless LAN; HCF controlled channel access; IEEE 802.11e; QoS; SNR based admission control; mobility channels; packet retransmission; physical rate based admission control; tight transmission opportunity; wireless channels; Admission control; Bit rate; Centralized control; Delay; Interference; Media Access Protocol; Quality of service; Signal to noise ratio; Wireless LAN; Wireless networks; 802.11e; Admission Control; HCCA; WLAN;

fLanguage

English

Publisher

ieee

Conference_Titel

Advanced Communication Technology, The 9th International Conference on

Conference_Location

Gangwon-Do

ISSN

1738-9445

Print_ISBN

978-89-5519-131-8

Type

conf

DOI

10.1109/ICACT.2007.358694

Filename

4195496