5785 search results - page 898 / 1157 » Approximability of Probability Distributions |
127
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ICC
2007
IEEE
15 years 11 months ago
2007
IEEE
— In multiuser systems, multiuser diversity gains can be achieved by assigning channels to users with higher channel quality. To avoid the extensive information exchange required...
136
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ICC
2007
IEEE
15 years 11 months 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 ...
113
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ICC
2007
IEEE
15 years 11 months ago
2007
IEEE
— In this paper, the author studies the sum throughput maximization with proportional fair scheduling (PFS) for downlink orthogonal frequency division multiple access (OFDMA) cha...
148
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ICC
2007
IEEE
15 years 11 months ago
2007
IEEE
— In interference-limited wireless cellular systems, interference avoidance and interference averaging are widely adopted to combat co-channel interference. In different types of...
152
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ICDM
2007
IEEE
15 years 11 months ago
2007
IEEE
Text clustering is most commonly treated as a fully automated task without user supervision. However, we can improve clustering performance using supervision in the form of pairwi...