221 search results - page 28 / 45 » Dynamic spectrum access in open spectrum wireless networks |
INFOCOM
2005
IEEE
15 years 3 months ago
2005
IEEE
— Even though multiple non-overlapped channels exist in the 2.4GHz and 5GHz spectrum, most IEEE 802.11-based multi-hop ad hoc networks today use only a single channel. As a resul...
GLOBECOM
2006
IEEE
15 years 3 months ago
2006
IEEE
— This paper investigates distributed medium access control (MAC) to achieve rate guarantee in pulse-based timehopping ultra-wideband (UWB) wireless networks, where the inherent ...
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JSAC
2008
14 years 9 months ago
2008
We propose the cross-layer based opportunistic multi-channel medium access control (MAC) protocols, which integrate the spectrum sensing at physical (PHY) layer with the packet sch...
TII
2008
14 years 9 months ago
2008
In this paper we discuss a selection of promising and interesting research areas in the design of protocols and systems for wireless industrial communications. We have selected top...
INFOCOM
2008
IEEE
15 years 4 months ago
2008
IEEE
—Wireless communications are inherently symmetric; that is, it takes an attacker the same amount of power to modulate a signal as it does for a legitimate node to modulate the sa...