The ITU-T's new G.fast standard brings DSL into the gigabit era.

This article explores the recently issued ITU-T Recommendations specifying "G.fast" (G.9701 [1] and G.9700 [2]) that bring user bit rates up to 1 Gb/s over twisted pairs from the distribution point to customer premises. The overview and some key research challenges of G.fast are discussed in [3]. The standardized G.fast transmission method and advanced crosstalk cancellation techniques are present...