WLAN technology has been shown a revolutionary development during the last decade. Recently popularized IEEE 802.11a/gbased products can support up to 54 Mbps PHY (Physical layer)...
Seongkwan Kim, Youngsoo Kim, Sunghyun Choi, Kyungh...
Existing multi-channel protocols have been demonstrated to significantly increase aggregate throughput compared to single-channel protocols. However, we show that despite such imp...
Jingpu Shi, Theodoros Salonidis, Edward W. Knightl...
The IEEE 802.11 wireless LAN standard power-saving mode (PSM) allows the network interface card (NIC) to periodically sleep between receiving data. In this paper, we show that 802...
Suman Nath, Zachary R. Anderson, Srinivasan Seshan
Abstract--Two well-known problems that can cause performance degradations in IEEE 802.11 wireless networks are the exposednode (EN) and hidden-node (HN) problems. Although there ha...
—IEEE 802.11 DCF is the MAC protocol currently used in wireless LANs. 802.11 DCF is inefficient due to two types of overhead; channel idle time and collision time. This paper pr...