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TWC
2010
14 years 10 months ago
Optimized Training Sequences for Spatially Correlated MIMO-OFDM
In this paper, the training sequence design for multiple-input multiple-output (MIMO) orthogonal frequencydivision multiplexing (OFDM) systems under the minimum mean square error (...
Hoang Duong Tuan, Ha Hoang Kha, Ha H. Nguyen, Viet...
TWC
2010
14 years 10 months ago
Relay selection and power allocation in cooperative cellular networks
We consider a system with a single base station communicating with multiple users over orthogonal channels while being assisted by multiple relays. Several recent works have sugge...
Sachin Kadloor, Raviraj Adve
INFOCOM
2011
IEEE
14 years 7 months ago
Sensor localization with deterministic accuracy guarantee
—Localizability of network or node is an important subproblem in sensor localization. While rigidity theory plays an important role in identifying several localizability conditio...
Ryo Sugihara, Rajesh K. Gupta
MOBIHOC
2008
ACM
16 years 3 months ago
Multicast capacity for hybrid wireless networks
We study the multicast capacity of a random wireless network consisting of ordinary wireless nodes and base stations, known as a hybrid network. Assume that n ordinary wireless no...
XuFei Mao, Xiang-Yang Li, ShaoJie Tang
106
Voted
CORR
2010
Springer
105views Education» more  CORR 2010»
15 years 4 months ago
Human Speed-Accuracy Tradeoffs in Search
When foraging for information, users face a tradeoff between the accuracy and value of the acquired information and the time spent collecting it, a problem which also surfaces whe...
Christina Aperjis, Bernardo A. Huberman, Fang Wu