ETRI Journal

Electronics and Telecommunications Research Institute (한국전자통신연구원)
권호 표지

CDMA Mobile System Overview: Introduction, Background, and System Concepts

  • Published : 1997.10.31
Download PDF
⟨ Previous Next ⟩

Abstract

The CDMA Mobile System (CMS) has been developed by Electronics and Telecommunications Research Institute (ETRI) and field-tested for commercial service deployment in Korea. The project was started in 1989 and completed in 1995 with the CMS commercial test. During the course of development, there had been active technical cooperation with Qualcomm, Inc. and Korean manufacturers. The CMS adopted the basic CDMA concepts conforming to Korean CDMA system which was derived form IS-95. The CMS functions are allocated to subsystems by considering efficiency and expandability. The CMS consists of mobile stations and the infrastructure which is composed of base stations, mobile exchanges and home location register/authentication center. The commercial field tests performed both in Taejon and Seoul have indicated that the CMS capacity is 10 to 15 times larger than that of AMPS. This paper overviews the development history, system characteristics, architecture and test results.

Keywords

References

  1. IEEE Transactions on Vehicular Technology v.VT-29 Advanced mobile phone service Blecher, F.H.
  2. Mobile Cellular Telecommunications-Analog and Digital Systems Lee, W.C.Y.
  3. User's Performance Requirement (UPR) Advanced Radio Technology Committee
  4. TTA-KO-0062, Interim Standard for Common Air Interface for Digital Cellular in the 800 MHz Band TTA
  5. IEEE Personal Communications The evolution of personal communications Raymond Steele
  6. EIA/TIA IS-95, Mobile Station Base Station Compatibility Standard for Dual Mode Wideband Spread Spectrum Cellular System EIA
  7. CDMA: Principles of Spread Spectrum Communication Viterbi, A.J.
  8. 7th World Telecomm. Forum A CDMA-based infrastructure: Its development, architecture, and field trial Han, Y.;Han, K.C.;Bahk, H.G.
  9. CDMA Mobile System testbed and field test Kwon, D.;Hahm, Y.;Jeong, I.;Im, D.