Abstract
The quantum based systems could be the next steps in improving the satellite communication. The actual implementation of quantum cryptography systems would be invaluable, allowing for the first time the practical possibility of one-time-pad-encrypted, undecipherable communication, which will offer an essentially new degree of security in future satellite communications. They offer secure key distribution protocols, more efficient coding and communications methods than the classical solutions. However, the classical error coding methods could not be used in a quantum channel, which is required for the quantum communication. There are many quantum error coding algorithms which are based on some redundancy. However, we can construct a channel with zero redundancy error correction. In this paper we introduce three different quantum error correction approaches. The first one is based on eigenvectors and unitary transformations. In the second case we can create a redundancy-free channel using local unitary operation and unitary matrices, while the third one is based on entanglement. All of these can help to set up an efficient quantum channel for the quantum based satellite communication.
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© 2010 ICST Institute for Computer Science, Social Informatics and Telecommunications Engineering
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Bacsardi, L., Gyongyosi, L., Imre, S. (2010). Using Redundancy-Free Quantum Channels for Improving the Satellite Communication. In: Sithamparanathan, K., Marchese, M., Ruggieri, M., Bisio, I. (eds) Personal Satellite Services. PSATS 2010. Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, vol 43. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-13618-4_24
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DOI: https://doi.org/10.1007/978-3-642-13618-4_24
Publisher Name: Springer, Berlin, Heidelberg
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