2Meng Z G,Zhou D.Study and Application of Remote Dala Moving Transmission under the Network Convergence[J]. Physics Procedia,2012,25: 829-833.
3Yaiparoj S Harmantzis F, Gueasekaran V. On the economics of GPRS networks with Wi- Fi integration[J].European Jourea( of Operationa( Research,2008,187(3): 1459-1475.