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DCOSS
2009
Springer
14 years 15 days ago
Local Construction of Spanners in the 3-D Space
Abstract. In this paper we present local distributed algorithms for constructing spanners in wireless sensor networks modeled as unit ball graphs (shortly UBGs) and quasi-unit ball...
Iyad A. Kanj, Ge Xia, Fenghui Zhang
ISCAS
2008
IEEE
147views Hardware» more  ISCAS 2008»
14 years 2 months ago
Perturbation analysis of subspace-based semi-blind MIMO channel estimation approaches
— In this paper, a perturbation analysis of two subspace-based semi-blind MIMO channel estimation approaches is conducted. Our analysis shows that, in the noise-free case, the wh...
Feng Wan, Wei-Ping Zhu, M. N. S. Swamy
WWW
2007
ACM
14 years 8 months ago
Automatic searching of tables in digital libraries
Tables are ubiquitous. Unfortunately, no search engine supports table search. In this paper, we propose a novel table specific searching engine, TableSeer, to facilitate the table...
Ying Liu, Kun Bai, Prasenjit Mitra, C. Lee Giles
IDMS
1998
Springer
76views Multimedia» more  IDMS 1998»
14 years 2 days ago
Exploiting User Behaviour in Prefetching WWW Documents
As the popularity of the World Wide Web increases, the amount of traffic results in major congestion problems for the retrieval of data over wide distances. To react to this, user...
Abdulmotaleb El-Saddik, Carsten Griwodz, Ralf Stei...
TWC
2008
121views more  TWC 2008»
13 years 7 months ago
Optimal Downlink OFDMA Resource Allocation with Linear Complexity to Maximize Ergodic Rates
OFDMA resource allocation assigns subcarriers and power, and possibly data rates, to each user. Previous research efforts to optimize OFDMA resource allocation with respect to comm...
Ian C. Wong, Brian L. Evans