As a pocketsize network with transmission function
Packet Transport Network(PTN) is mainly used for the IP service bearing of Radio Access Networks(RAN).It analysed the common PTN technology like PBT/T-MPLS firstly.Then explore the characteristics of the PTN networking method.At last
according to the current construction of PTN on TD-SCDMA which built by Shenzhen branch
analyzed the construction mode of PTN in the current and future.