9841 search results - page 1709 / 1969 » Distributed Value Functions |
167
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ICC
2007
IEEE
16 years 27 days ago
2007
IEEE
— This paper proposes a new method for peak to average power ratio (PAPR) reduction in orthogonal frequency division multiplexing (OFDM) systems using two alternative signalling ...
187
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ICC
2007
IEEE
16 years 27 days ago
2007
IEEE
– MIMO (Multiple Input Multiple Output) is capable of offering several-fold increase in spectral efficiency over singleantenna systems through spatial processing. However, curren...
159
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ICC
2007
IEEE
16 years 27 days ago
2007
IEEE
—Peak-to-average power ratio (PAR) reduction in OFDM using antenna arrays (MIMO OFDM) is considered. In particular, generalizations of selected mapping (SLM) recently proposed in...
184
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ICC
2007
IEEE
16 years 27 days ago
2007
IEEE
—The realistic performance of a multi-input multi-output (MIMO) communication system depends strongly on the spatial correlation properties introduced by clustering in the propag...
194
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ICC
2007
IEEE
16 years 27 days ago
2007
IEEE
We propose a Polynomial-based scheme that addresses the problem of Event Region Detection (PERD) for wireless sensor networks (WSNs). Nodes of an aggregation tree perform function ...