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MSWIM
2005
ACM
14 years 27 days ago
Non-saturation and saturation analysis of IEEE 802.11e EDCA with starvation prediction
An analytical model is proposed to describe the priority schemes of the EDCA mechanism of the IEEE 802.11e standard. EDCA provides class-based differentiated QoS to IEEE 802.11 WL...
Paal Engelstad, Olav N. Østerbø
TWC
2008
114views more  TWC 2008»
13 years 7 months ago
Two dimensional cross-layer optimization for packet transmission over fading channel
In this paper a single-input-single-output wireless data transmission system with adaptive modulation and coding over correlated fading channel is considered, where run-time power ...
Xiaofeng Bai, Abdallah Shami
AHSWN
2010
130views more  AHSWN 2010»
13 years 7 months ago
How Good is Opportunistic Routing? - A Reality Check under Rayleigh Fading Channels
Considerations of realistic channel dynamics motivate the design of a new breed of opportunistic schemes, such as opportunistic transmission, scheduling and routing. Compared to t...
Rong Zheng, Chengzhi Li
MOBIHOC
2002
ACM
14 years 7 months ago
Performance evaluation of a fair backoff algorithm for IEEE 802.11 DFWMAC
Due to hidden terminals and a dynamic topology, contention among stations in an ad-hoc network is not homogeneous. Some stations are at a disadvantage in opportunity of access to ...
Zuyuan Fang, Brahim Bensaou, Yu Wang
GLOBECOM
2010
IEEE
13 years 5 months ago
Modeling and Analysis for Reactive-Decision Spectrum Handoff in Cognitive Radio Networks
This paper investigates how to characterize the effect of multiple spectrum handoff delay on the extended data delivery time of the secondary users' connections in cognitive r...
Chung-Wei Wang, Li-Chun Wang, Fumiyuki Adachi