One-shot capacity of discrete channels

Rui A. Costa, Michael Langberg, João Barros

نتاج البحث: فصل من :كتاب / تقرير / مؤتمرمنشور من مؤتمرمراجعة النظراء


Shannon defined channel capacity as the highest rate at which there exists a sequence of codes of block length n such that the error probability goes to zero as n goes to infinity. In this definition, it is implicit that the block length, which can be viewed as the number of available channel uses, is unlimited. This is not the case when the transmission power must be concentrated on a single transmission, most notably in military scenarios with adversarial conditions or delay-tolerant networks with random short encounters. A natural question arises: how much information can we transmit in a single use of the channel? We give a precise characterization of the one-shot capacity of discrete channels, defined as the maximum number of bits that can be transmitted in a single use of a channel with an error probability that does not exceed a prescribed value. This capacity definition is shown to be useful and significantly different from the zero-error problem statement.

اللغة الأصليةالإنجليزيّة
عنوان منشور المضيف2010 IEEE International Symposium on Information Theory, ISIT 2010 - Proceedings
عدد الصفحات5
المعرِّفات الرقمية للأشياء
حالة النشرنُشِر - 2010
الحدث2010 IEEE International Symposium on Information Theory, ISIT 2010 - Austin, TX, الولايات المتّحدة
المدة: ١٣ يونيو ٢٠١٠١٨ يونيو ٢٠١٠

سلسلة المنشورات

الاسمIEEE International Symposium on Information Theory - Proceedings
رقم المعيار الدولي للدوريات (المطبوع)2157-8103


!!Conference2010 IEEE International Symposium on Information Theory, ISIT 2010
الدولة/الإقليمالولايات المتّحدة
المدينةAustin, TX


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