LI Fang-Jun, PENG Yi. This essay introduces Asymmetric Digi tal Subscriber Line ( ADSL) , a new transmis sion technology of broadband acces s network , goes further into ADSL basic theory and key technology , compares i ts advantages and disadvantages with the old tec hnology of acces s network, and shows i ts future development.[J]. journal6, 2001, 22(2): 88-90.
