The CDMA Mobile System Architecture

  • Published : 1997.10.31

Abstract

The architecture of the CDMA mobile system (CMS) is developed based on three function groups - service resource, service control, and service management groups. In this paper, the CMS architecture is discussed from the point of view of implementing these functions. The variable length packets are used for transmission. The synchronization clock signals are derived form the GPS receiver. The open loop and closed loop techniques are used for the power control. The internationally accepted signaling and network protocols are employed. The call control for the primary services in designed to provide efficient mobile telecommunication services. The softer handoff is implemented in one card. The mobile assisted handoff and the network assisted handoff are employed in the soft and hard handoffs. The authentication is based on the secret data which includes random numbers. The management functions, which include the location management, resource management, cell boundary management and OAM management, are implemented to warrant the system efficiency, maximum capacity and high reliability. The architecture ensures that the CMS is flexible and expandable to provide subscribers with economic and efficient system configuration. The dynamic power control, adaptive channel allocation. and dynamic cell boundary management are recommended for future work.

Keywords

References

  1. H. P. Jour. v.44 no.6 North America cellular CDMA Whipple, D.P.
  2. B. S. T. J. v.58 no.1 Control architecture Fluhr, Z.C.;Porter, P.T.
  3. Global System for Mobile Communication (GSM) ETSI
  4. Investigation of CDMA air interface and protocols Kim, S.;Song, P.;Kim, J.;Lee, H.
  5. TIA/EIA/IS-41, Cellular Intersystem Operations PN-2991 TIA
  6. Proc. MDMC A CDMA-based infrastructure: its development, architecture, and field trial Han, Y.N.;Han, K.C.;Bahk, H.G.
  7. Proc. KICC The system structure of TDX-10 digital mobile exchange Cho, K.S.;Sone, C.C.;Lee, H.
  8. IEEE Trans. on Vehicular Tech. v.40 no.2 On the capacity of a cellular CDMA system Gilhousen, K.S.;Jacobs, I.M.;Padovani, R.;Viterbi, A.J.;Weaver, L.A. Jr.;Wheatley, C.E. III
  9. Proc. MDMC Effects of handoff region on CDMA reverse link Shin, S.M.;Lee, K.J.;Lee, H.;Sung, D.K.
  10. Proc. ICCS A novel adaptive traffic load shedding scheme for CDMA cellular mobile systems Chen, X.H.;Caleb, J.;Lee, K.L.