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APPROX
2004
Springer
121views Algorithms» more  APPROX 2004»
15 years 9 months ago
Small Pseudo-random Families of Matrices: Derandomizing Approximate Quantum Encryption
A quantum encryption scheme (also called private quantum channel, or state randomization protocol) is a one-time pad for quantum messages. If two parties share a classical random s...
Andris Ambainis, Adam Smith
AC
1998
Springer
15 years 8 months ago
The Search for the Holy Grail in Quantum Cryptography
Abstract. In 1982, Bennett and Brassard suggested a new way to provide privacy in long distance communications with security based on the correctness of the basic principles of qua...
Louis Salvail
WCNC
2010
IEEE
15 years 2 months ago
Codebook Design for Memory-Based Quantization of Precoder Matrix in Low-Rate Feedback MIMO Systems with Temporally Correlated Fa
—An important transmitter adaptation technique used in multiple-input multiple-output (MIMO) communication systems is precoding based on the dominant right-singular vectors of th...
Pradeepa Yahampath, Are Hjørungnes
WCNC
2008
IEEE
15 years 10 months ago
How Much Improvement Can We Get From Partially Overlapped Channels?
—Partially Overlapped Channel (POC) based design, has been identified recently as a promising technique to overcome the capacity bottleneck facing wireless engineers in various ...
Zhenhua Feng, Yaling Yang
CORR
2008
Springer
106views Education» more  CORR 2008»
15 years 4 months ago
Outer Bounds for Multiple Access Channels with Feedback using Dependence Balance
We use the idea of dependence balance to obtain a new outer bound for the capacity region of the discrete memoryless multiple-access channel with noiseless feedback (MAC-FB). We co...
Ravi Tandon, Sennur Ulukus