Classes of Full-Duplex Channels with Capacity Achieved without Adaptation

Daewon Seo, Anas Chaaban, Lav R. Varshney, Mohamed Slim Alouini

Research output: Contribution to journalArticlepeer-review


Full-duplex communication allows a terminal to transmit and receive signals simultaneously, and hence, it is helpful in general to adapt transmissions to received signals. However, this often requires unaffordable complexity. This work focuses on simple non-adaptive transmission, and provides two classes of channels for which Shannon's information capacity regions are achieved without adaptation. The first is the injective semi-deterministic two-way channel that includes additive channels with various types of noises modeling wireless, coaxial cable, and other settings. The other is the Poisson two-way channel, for which we show that non-adaptive transmission is asymptotically optimal in the high dark current regime.

Original languageEnglish (US)
Article number9042414
Pages (from-to)4141-4149
Number of pages9
JournalIEEE Transactions on Communications
Issue number7
StatePublished - Jul 2020


  • Full-duplex channels
  • Poisson channels
  • capacity region
  • non-adaptive coding
  • two-way channels

ASJC Scopus subject areas

  • Electrical and Electronic Engineering


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