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180
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GLOBECOM
2007
IEEE
16 years 1 months ago
2007
IEEE
In this paper, we present a novel integer programming (IP) optimization formulation for downlink OFDM subchannel allocations in a multicell system and propose viable sub-optimal so...
159
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ICC
2007
IEEE
16 years 1 months ago
2007
IEEE
Abstract— This paper proposes the opportunistic power allocation (OPA) scheme for random beamforming with a limited feedback rate. Without the channel state information, the prop...
188
Voted
ICC
2007
IEEE
16 years 1 months ago
2007
IEEE
— Trellis codes based on linear congruential recursions have recently been introduced as powerful source codes. For a modest computational complexity they offer excellent rate di...
146
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ICMCS
2007
IEEE
16 years 1 months ago
2007
IEEE
In this paper, we study the security of an image scrambling algorithm based on Space-Filling Curves (SFC). A random SFC is a pixel permutation that changes the scanning order with...
182
Voted
ICRA
2007
IEEE
16 years 1 months ago
2007
IEEE
— Different coherence dimensions can be considered to improve the performances of an algorithm for computing collision translations of pairs of convex polyhedra. The algorithm’...