Challenges of wireless communications-IMT-2000 and beyond

Fumiyuki Adachi, Nobuo Nakajima

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Mobile radio and Internet communications services are penetrating our society at an exponential rate of growth. The Internet is the most important driving force towards establishing a multimedia society. Mobile communication systems add an important capability to our communications society, i.e., mobility. The third generation mobile communications system called IMT-2000 is expected to play an important role in this soon-toarrive multimedia society. Wideband mobile services based on IMT-2000 will soon become a reality (early 2001). First, we look at the trends of wireless access technologies, centering on IMT2000. Wideband direct sequence code division multiple access (W-CDMA) will be a major component of a global IMT-2000 standard. Then, we address advanced wireless techniques, i.e., interference cancellation and employing an adaptive antenna array, which can enhance W-CDMA at a later date. Finally, requirements are discussed for future wireless techniques that will support a fully mobile multimedia communications society.

Original languageEnglish
Pages (from-to)1300-1307
Number of pages8
JournalIEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences
VolumeE82-A
Issue number7
Publication statusPublished - 2000
Externally publishedYes

Keywords

  • DS-CDMA
  • IMT-2000
  • Mobile communications systems
  • Wireless communications

ASJC Scopus subject areas

  • Signal Processing
  • Computer Graphics and Computer-Aided Design
  • Electrical and Electronic Engineering
  • Applied Mathematics

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