724 search results - page 108 / 145 » Medium access control issues in sensor networks |
158
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GLOBECOM
2009
IEEE
15 years 8 months ago
2009
IEEE
—A key technology in cooperative communications is distributed space-time coding (DSTC) which achieves spatial diversity gain from multiple relays. A novel DSTC, called randomize...
108
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WCNC
2008
IEEE
15 years 8 months ago
2008
IEEE
— In this paper, we compare the performance of wireless local area networks (WLANs) with single-user MIMO (SU-MIMO) and multi-user MIMO (MU-MIMO) in terms of collision probabilit...
115
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MSWIM
2005
ACM
15 years 7 months ago
2005
ACM
This work describes a detailed simulation-based study of the performance of an IEEE 802.11e Medium Access Control (MAC) layer over an IEEE 802.11g Physical (PHY) layer. The study ...
116
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ICPADS
2002
IEEE
15 years 6 months ago
2002
IEEE
Wireless technologies and applications received great attention in recent years. The medium access control (MAC) protocol is the main element that determines the efficiency in sha...
106
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AINA
2005
IEEE
15 years 3 months ago
2005
IEEE
— Bluetooth is a short-range TDD (Time Division Duplex) wireless network that supports both circuit- and packetoriented applications. A piconet is composed of a device configure...