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132
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GLOBECOM
2007
IEEE
15 years 10 months ago
Multicell Downlink OFDM Subchannel Allocations Using Dynamic Intercell Coordination
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...
Mahmudur Rahman, Halim Yanikomeroglu
ICC
2007
IEEE
15 years 10 months ago
Opportunistic Power Allocation for Random Beamforming in MISO Broadcast Channels
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...
Edward W. Jang, Hyukjoon Kwon, John M. Cioffi
ICC
2007
IEEE
125views Communications» more  ICC 2007»
15 years 10 months ago
On Bit Error Robustness of Trellis Source Codes
— 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...
Tomas Eriksson, Norbert Goertz
101
Voted
ICMCS
2007
IEEE
134views Multimedia» more  ICMCS 2007»
15 years 10 months ago
Cryptanalysis of a Video Scrambling Based on Space Filling Curves
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...
Ayoub Massoudi, Frédéric Lefè...
ICRA
2007
IEEE
106views Robotics» more  ICRA 2007»
15 years 10 months ago
Exploring Different Coherence Dimensions to Answer Proximity Queries for Convex Polyhedra
— Different coherence dimensions can be considered to improve the performances of an algorithm for computing collision translations of pairs of convex polyhedra. The algorithm’...
Claudio Mirolo, Stefano Carpin, Enrico Pagello