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ICC
2007
IEEE
142views Communications» more  ICC 2007»
15 years 4 months ago
Generalized CRLB for DA and NDA Synchronization of UWB Signals with Clock Offset
—In this paper the Cramér-Rao lower bound (CRLB) of an ultra-wideband (UWB) pulse amplitude modulated (PAM) signal with time hopping (TH) code is derived for the practical case ...
Saeed Khalesehosseini, John Nielsen
MOBICOM
2010
ACM
14 years 10 months ago
Directional antenna diversity for mobile devices: characterizations and solutions
We report a first-of-its-kind realization of directional transmission for smartphone-like mobile devices using multiple passive directional antennas, supported by only one RF chai...
Ardalan Amiri Sani, Lin Zhong, Ashutosh Sabharwal
SIGCOMM
2005
ACM
15 years 3 months ago
ExOR: opportunistic multi-hop routing for wireless networks
This paper describes ExOR, an integrated routing and MAC protocol that increases the throughput of large unicast transfers in multi-hop wireless networks. ExOR chooses each hop of...
Sanjit Biswas, Robert Morris
SPAA
2004
ACM
15 years 3 months ago
Fighting against two adversaries: page migration in dynamic networks
Page migration is one of the fundamental subproblems in the framework of data management in networks. It occurs in a distributed network of processors sharing one indivisible memo...
Marcin Bienkowski, Miroslaw Korzeniowski, Friedhel...
SENSYS
2004
ACM
15 years 3 months ago
Mitigating congestion in wireless sensor networks
Network congestion occurs when offered traffic load exceeds available capacity at any point in a network. In wireless sensor networks, congestion causes overall channel quality t...
Bret Hull, Kyle Jamieson, Hari Balakrishnan