Starting from the Shannon channel capacity, we propose an IRUWB channel capacity based on the delay spread for multipath time variant channels. This IR-UWB channel capacity is obtained from the no ISI (Inter Symbol Interference) assumption and for binary modulations. The impact of the kind of implementation is considered on the IR-UWB channel capacity. This study is lead for mixed and mostly di...

by Nikolaus G. Kleber This thesis explores an OFDM communication system in the presence of a unsophisticated frequency-hopping interferer. Information theory is used to explore the fundamental limits of system performance with varying degrees of knowledge about the state of the interferer. In particular, the Shannon channel capacity of the system is derived for two different cases of channel st...

in this paper, the ambiguity of nite state irreducible markov chain trajectories is reminded and is obtained for two state markov chain. i give an applicable example of this concept in president election

The zero-error feedback capacity of the Gelfand-Pinsker channel is established. It can be positive even if the channel’s zero-error capacity is zero in the absence of feedback. Moreover, the error-free transmission of a single bit may require more than one channel use. These phenomena do not occur when the state is revealed to the transmitter causally, a case that is solved here using Shannon s...