A combination scheme of ARQ and FEC for multimedia wireless ATM networks

Doo Seop Eom, Masashi Sugano, Masayuki Murata, Hideo Miyahara

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)


In the wireless ATM network, the key issue is to guarantee various QoS (Quality of Service) under the conditions of the limited radio link bandwidth and error prone characteristics. In this paper, we show a combination method of the error correction schemes, which is suitable to establish multimedia wireless ATM Networks while keeping an efficient use of the limited bandwidth. We consider two levels of FEC; a bit-level and a cell-level to guarantee cell loss probabilities of real time applications. By combining two levels of FEC, various requirements on cell loss can be met. We then apply the bit-level FEC and ARQ protocol for the data communication; tolerant to the delay characteristics. Through the analytical methods, the required overheads of FECs are examined to satisfy the various QoS requirements of CBR connections. The mean delay analysis for the UBR service class is also presented. In numerical examples, we show how the combination scheme to guarantee various cell loss requirements affects the call blocking probability of the CBR service class and the delay of UBR service class.

Original languageEnglish
Pages (from-to)1016-1024
Number of pages9
JournalIEICE Transactions on Communications
Issue number5
Publication statusPublished - 1998
Externally publishedYes


  • ARQ (automatic repeat request)
  • FEC (forward error correction)
  • Multimedia
  • Wireless ATM (asynchronous transfer mode)

ASJC Scopus subject areas

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


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