Analytical study of SINR for OFDMA Uplink in presence of Transceiver Phase Noise

Abstract

This paper addresses the statistical analysis of Transceiver Phase Noise (PHN) effect on Orthogonal Frequency Division Multiple Access (OFDMA) Uplink system performance for arbitrary subcarrier mapping. In most of the previous publications Complex Gaussian distribution of Inter Carrier Interference (ICI) was assumed, however in this paper we derive a closed form expression for the signal-to-interference+ noise ratio (SINR) without such restriction and then analyse it as a function of critical system parameters. This improved evaluation stringently specifies the plausible acceptable PHN characteristics for a certain OFDMA Uplink system and explains the serious under specification of Local Oscillator (LO) with Gaussian approximation.