27 search results - page 3 / 6 » Channel and Data Estimation for Ad Hoc Networks and Cognitiv... |
JSAC
2008
13 years 7 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...
WOWMOM
2005
ACM
14 years 28 days ago
2005
ACM
Ad-hoc wireless networks with multi-rate radios (such as 802.11a, b, g) require a new class of MAC/PHY aware metrics that take into account factors such as physical-layer link spe...
MOBICOM
2009
ACM
14 years 1 months ago
2009
ACM
We address the connectivity of large-scale ad hoc cognitive radio networks, where secondary users exploit channels temporarily and locally unused by primary users and the existenc...
EJWCN
2010
13 years 2 months ago
2010
Flexbility and deployment simplicity are among the numerous advantages of wireless links when compared to standard wired communications. However, challenges do remain high for wire...
PEWASUN
2004
ACM
14 years 24 days ago
2004
ACM
This paper studies the performance of a multi-rate mobile ad hoc network (MANET) using an extended ns-2 simulator. A link adaptation algorithm is developed and tested. The multi-r...