445 search results - page 29 / 89 » Challenges and Opportunities in Broadband and Wireless Commu... |
GLOBECOM
2009
IEEE
15 years 28 days ago
2009
IEEE
Dynamic Spectrum Access can enable secondary network users to access unused spectrum, or whitespace, which is found between the transmissions of primary users in a wireless networ...
112
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NETWORK
2006
14 years 9 months ago
2006
With the advancement of video-compression technology and the wide deployment of wireless networks, there is an increasing demand for wireless video communication services, and man...
GLOBECOM
2008
IEEE
15 years 4 months ago
2008
IEEE
—This paper deals with a simple but essential two-hop wireless relay network employing network coding and a slotted ALOHA protocol. Network coding is a recent and highly regarded...
ACMSE
2006
ACM
15 years 3 months ago
2006
ACM
Without physical boundaries, a wireless network faces many more security threats than a wired network does. Therefore, in the IEEE 802.16 standard a security sublayer is specified...
112
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VTC
2010
IEEE
14 years 8 months ago
2010
IEEE
—The IEEE 1609.4 standard has been proposed to provide multi-channel operations in wireless access for vehicular environments (WAVE), where all the channels are periodically sync...