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TWC
2010
15 years 20 days ago
Adaptive Modulation for MIMO Systems with Channel Prediction Errors
The performance of multiple-input multiple-output (MIMO) systems using spatial multiplexing is analyzed under channel prediction errors. We derive exact closed-form expressions for...
Unai Fernández-Plazaola, Eduardo Martos-Nay...
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TWC
2010
15 years 20 days ago
Beamforming in MISO Systems: Empirical Results and EVM-Based Analysis
We present an analytical, simulation, and experimental-based study of beamforming Multiple Input Single Output (MISO) systems. We analyze the performance of beamforming MISO syste...
Melissa Duarte, Ashutosh Sabharwal, Chris Dick, Ra...
AIPS
2011
14 years 9 months ago
Effective Heuristics and Belief Tracking for Planning with Incomplete Information
Conformant planning can be formulated as a path-finding problem in belief space where the two main challenges are the heuristics to guide the search, and the representation and u...
Alexandre Albore, Miquel Ramírez, Hector Ge...
AIPS
2011
14 years 9 months ago
Directed Search for Generalized Plans Using Classical Planners
We consider the problem of finding generalized plans for situations where the number of objects may be unknown and unbounded during planning. The input is a domain specification...
Siddharth Srivastava, Neil Immerman, Shlomo Zilber...
DLOG
2011
14 years 9 months ago
Quelo: an Ontology-Driven Query Interface
In this paper we present a formal framework and tool supporting the user in the task of formulating a precise query – which best captures their information needs – even in the ...
Enrico Franconi, Paolo Guagliardo, Marco Trevisan,...