The Performance Analysis of Direct/Cooperative Transmission with TXOP Scheme in WLANs

Author

Chien-Erh Weng ; Lie Yang ; Hsing-Chung Chen

Author_Institution

Dept. of Electron. Commun. Eng., Nat. Kaohsiung Marine Univ., Kaohsiung, Taiwan

fYear

2014

fDate

8-10 Nov. 2014

Firstpage

467

Lastpage

471

Abstract

In this paper, we evaluate the saturation throughput and saturation delay with direct/cooperative transmission strategies. Moreover, the cost function is introduced to tradeoff the system performance to determine the optimal strategy for adopting the cooperative transmission, and then we extend the model to support applications with quality of service (QoS) requirements. In order to improve the efficiency, TXOP mechanism which allows multiple consecutive frame exchanges during the TXOP duration is defined in IEEE 802.11e standard. We show the performance in term of saturation throughput, saturation delay and total throughput of the model. Numerical results show that TXOP mechanism is generally suitable for high traffic condition environments.

Keywords

cooperative communication; quality of service; telecommunication traffic; wireless LAN; IEEE 802.11e standard; QoS; TXOP mechanism; WLAN; cost function; direct-cooperative transmission strategy; high traffic condition environment; multiple consecutive frame exchange; numerical analysis; quality of service; saturation delay evaluation; saturation throughput evaluation; Cost function; Delays; IEEE 802.11e Standard; Quality of service; Relays; System performance; Throughput; Cooperative Communication; cooperative; Quality of Service; TXOP;

fLanguage

English

Publisher

ieee

Conference_Titel

Broadband and Wireless Computing, Communication and Applications (BWCCA), 2014 Ninth International Conference on

Conference_Location

Guangdong

Print_ISBN

978-1-4799-4174-2

Type

conf

DOI

10.1109/BWCCA.2014.137

Filename

7016117