Degrees of Freedom of Millimeter Wave Full-Duplex Systems with Partial CSIT

Vien V. Mai, Juyeop Kim, Sang Woon Jeon, Sang Won Choi, Beomjoo Seo, Won Yong Shin

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

The degrees of freedom (DoF) of L-path poor scattering full-duplex (FD) systems is studied in which a FD base station having M transmit antennas and M receive antennas supports a set of half-duplex mobile stations (MSs). Assuming no self-interference, a hybrid scheduling is proposed achieving the optimal sum DoF with partial channel state information at the transmitter side as the number of MSs increases. In particular, the proposed scheme combines a zero-forcing beamforming for uplink and a random transmit beamforming for downlink with opportunistic scheduling. It is shown that the optimal sum DoF of 2M is asymptotically achievable as long as the number of MSs scales faster than snrmin(M-1,L)+M, where snr denotes the signal-to-noise ratio.

Original languageEnglish
Article number7422688
Pages (from-to)1042-1045
Number of pages4
JournalIEEE Communications Letters
Volume20
Issue number5
DOIs
Publication statusPublished - 2016 May

Fingerprint

Millimeter Wave
Beamforming
Millimeter waves
Degree of freedom
Scheduling
Antennas
Partial
Antenna
Channel state information
Base stations
Opportunistic Scheduling
Transmitters
Zero-forcing
Signal to noise ratio
Partial Information
Levenberg-Marquardt
Channel State Information
Uplink
Scattering
Transmitter

All Science Journal Classification (ASJC) codes

  • Modelling and Simulation
  • Computer Science Applications
  • Electrical and Electronic Engineering

Cite this

Mai, Vien V. ; Kim, Juyeop ; Jeon, Sang Woon ; Choi, Sang Won ; Seo, Beomjoo ; Shin, Won Yong. / Degrees of Freedom of Millimeter Wave Full-Duplex Systems with Partial CSIT. In: IEEE Communications Letters. 2016 ; Vol. 20, No. 5. pp. 1042-1045.
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Degrees of Freedom of Millimeter Wave Full-Duplex Systems with Partial CSIT. / Mai, Vien V.; Kim, Juyeop; Jeon, Sang Woon; Choi, Sang Won; Seo, Beomjoo; Shin, Won Yong.

In: IEEE Communications Letters, Vol. 20, No. 5, 7422688, 05.2016, p. 1042-1045.

Research output: Contribution to journalArticle

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AB - The degrees of freedom (DoF) of L-path poor scattering full-duplex (FD) systems is studied in which a FD base station having M transmit antennas and M receive antennas supports a set of half-duplex mobile stations (MSs). Assuming no self-interference, a hybrid scheduling is proposed achieving the optimal sum DoF with partial channel state information at the transmitter side as the number of MSs increases. In particular, the proposed scheme combines a zero-forcing beamforming for uplink and a random transmit beamforming for downlink with opportunistic scheduling. It is shown that the optimal sum DoF of 2M is asymptotically achievable as long as the number of MSs scales faster than snrmin(M-1,L)+M, where snr denotes the signal-to-noise ratio.

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