898 search results - page 142 / 180 » Wireless underground sensor networks: Research challenges |
SAC
2011
ACM
12 years 10 months ago
2011
ACM
A moving region whose location and extend change over time can imply topological changes such as region split and hole formation. To study this phenomenon is useful in many applic...
EIT
2008
IEEE
14 years 2 months ago
2008
IEEE
—Wireless Mesh Networks (WMNs) have emerged recently as a promising technology for next-generation wireless networking to provide wide variety of applications that cannot be supp...
CN
2008
13 years 7 months ago
2008
The primary feature of cognitive radios for wireless communication systems is the capability to optimize the relevant communication parameters given a dynamic wireless channel env...
MOBIHOC
2009
ACM
14 years 8 months ago
2009
ACM
Providing differentiated Quality of Service (QoS) over unreliable wireless channels is an important challenge for supporting several future applications. We analyze a model that h...
MOBICOM
2004
ACM
14 years 1 months ago
2004
ACM
Recent years have seen the growing popularity of multi-rate wireless network devices (e.g., 802.11a cards) that can exploit variations in channel conditions and improve overall ne...