On the union bound applied to convolutional codes. - Johan Lassing; Tony Ottosson; Erik G. Ström (VTC Fall, 2001)

Computation of the exact bit-error rate of coherent M-ary PSK with Gray code bit mapping. - Johan Lassing; Erik G. Ström; Erik Agrell; Tony Ottosson (IEEE Trans. Commun., 2003)

The binary reflected Gray code is optimal for M-PSK. - Erik Agrell; Johan Lassing; Erik G. Ström; Tony Ottosson (ISIT, 2004)

On the optimality of the binary reflected Gray code. - Erik Agrell; Johan Lassing; Erik G. Ström; Tony Ottosson (IEEE Trans. Inf. Theory, 2004)

On the labeling of Signal Constellations. - Johan Lassing (2005)

Gray Coding for Multilevel Constellations in Gaussian Noise. - Erik Agrell; Johan Lassing; Erik G. Ström; Tony Ottosson (IEEE Trans. Inf. Theory, 2007)