Errata

In line 33, 4 modulo-5 should read: 4 modulo-5,

In Figure 3.16, the missing vertical label should read: Bit error rate

In line 6 of Section 4.2, shifting Vj places should read: shifting V j places

In lines 6 and 7 of Section 4.2, shifting Vn-j places should read: shifting V n-j places