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We present interference analysis for wireless ad hoc networks and show that, depending on the path loss parameter (alpha), the average signal to noise and interference ratio (SNIR) either remains constant, or decays, when the number of interferers scales to infinity in the network, for nodes communicating with their close neighbors. Thus, communication is feasible in dense networks as long as alpha...
In this paper we discuss performance results of a novel real-time closed-loop power amplifier (PA) linearization technique that has originally been proposed by Ahmed and Li. The novel approach performs on-the-fly prediction and measurement of the PA AM/AM and AM/PM non-linearity, stores such non-linear characteristics and calculates their inverse functions in order to pre-distort the base-band amplitude...
This paper proposes a novel blind time-offset (TO) estimation scheme for orthogonal frequency division multiplexing (OFDM) systems. Based on the observation that a TO almost surely gives rise to interblock interference (IBI), the proposed TO estimation is accomplished by minimizing the EBI. Borrowing the idea of differential decoding, the need of channel state information is circumvented via joint...
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