Comments on Proakis Analysis of the Characteristic Function of Complex   Gaussian Quadratic Forms
  An analysis of the characteristic function of Gaussian quadratic forms is presented in [1] to study the performance of multichannel communication systems. This technical report reviews this analysis, obtaining alternative expressions to original ones in compact matrix format. 
Unai Fern\'andez-Plazaola, Eduardo Martos-Naya, Jos\'e F. Paris and   Jos\'e T. Entrambasaguas
cs.IT math.IT