The ARRL spread spectrum sourcebook / ed. by André Kesteloot and Charles L Hutchinson
Theory and applications of spread-spectrum systems / Alex W. Lam and Sawasd Tantaratana
Joint time-frequency analysis : methods and applications / Shie Qian, Dapang Chen
Spectrum pricing – theoretical approaches and practical implementation [documento eletrónico] / Wolfgang Reichl...[et al.]