A synchronization and cell searching technique using pilot tones for OFDM cellular systems

Dong Han Kim, Kwang Soon Kim, Jae Young Ahn, Yong Soo Cho

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

In this letter, a pilot structure and an efficient algorithm for downlink synchronization and cell searching in OFDM-based cellular systems are proposed. The pilots, randomly allocated in the frequency domain, allow us to minimize inter-cell interference (ICI) as well as to increase cell searching capability, estimation range of integer carrier frequency offset (CFO), and estimation accuracy of symbol timing offset (STO). The proposed low-complexity joint algorithm for integer CFO estimation, cell searching, and downlink detection is robust to ICI, multipath channel, STO and fine CFO.

Original languageEnglish
Pages (from-to)235-238
Number of pages4
JournalIEICE Transactions on Communications
VolumeE89-B
Issue number1
DOIs
Publication statusPublished - 2006 Jan

All Science Journal Classification (ASJC) codes

  • Software
  • Computer Networks and Communications
  • Electrical and Electronic Engineering

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