An investigation of self-interference reduction strategy in correlated SM-OFDMA systems

Rosdiadee Nordin, Mahamod Ismail

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

One of the efficient ways to transmit high data rate in a wireless network is by employing a multiple antenna transmission scheme, known as the multiple-input multiple-output (MIMO). One of the MIMO schemes, known as Spatial Multiplexing (SM) relies on the linear independence data streams from different transmit antennas to exploit the channel capacity. Consequently, SM suffers considerably from the effect of spatial correlation, also known as self-interference in the literature, thus become one of the limiting factor in achieving the capacity benefit that SM offers. In an attempt to increase the robustness of the SM transmission for deployment in wide range of correlated channels, the use of dynamic subcarrier allocation (DSA) in a downlink Orthogonal Frequency Division Multiple Access (OFDMA) system is investigated. The Effective Signal-to-Interference-and-Noise Ratio (ESINR) metric is used as the performance metric to determine the subcarrier quality. The ESINR metric can be utilised for the subcarrier allocation process in order to exploit the multiuser diversity gain that can be offered in a correlated SM-OFDMA downlink system.

Original languageEnglish
Title of host publication17th Asia-Pacific Conference on Communications, APCC 2011
Pages478-483
Number of pages6
DOIs
Publication statusPublished - 2011
Event17th Asia Pacific Conference on Communications, APCC 2011 - Kota Kinabalu, Sabah
Duration: 2 Oct 20115 Oct 2011

Other

Other17th Asia Pacific Conference on Communications, APCC 2011
CityKota Kinabalu, Sabah
Period2/10/115/10/11

Fingerprint

Frequency division multiple access
Multiplexing
interference
Antennas
Channel capacity
Wireless networks
performance

Keywords

  • Correlated channel
  • ESINR
  • MIMO
  • OFDMA
  • Spatial Multiplexing
  • subcarrier allocation

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Communication

Cite this

Nordin, R., & Ismail, M. (2011). An investigation of self-interference reduction strategy in correlated SM-OFDMA systems. In 17th Asia-Pacific Conference on Communications, APCC 2011 (pp. 478-483). [6152856] https://doi.org/10.1109/APCC.2011.6152856

An investigation of self-interference reduction strategy in correlated SM-OFDMA systems. / Nordin, Rosdiadee; Ismail, Mahamod.

17th Asia-Pacific Conference on Communications, APCC 2011. 2011. p. 478-483 6152856.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Nordin, R & Ismail, M 2011, An investigation of self-interference reduction strategy in correlated SM-OFDMA systems. in 17th Asia-Pacific Conference on Communications, APCC 2011., 6152856, pp. 478-483, 17th Asia Pacific Conference on Communications, APCC 2011, Kota Kinabalu, Sabah, 2/10/11. https://doi.org/10.1109/APCC.2011.6152856
Nordin R, Ismail M. An investigation of self-interference reduction strategy in correlated SM-OFDMA systems. In 17th Asia-Pacific Conference on Communications, APCC 2011. 2011. p. 478-483. 6152856 https://doi.org/10.1109/APCC.2011.6152856
Nordin, Rosdiadee ; Ismail, Mahamod. / An investigation of self-interference reduction strategy in correlated SM-OFDMA systems. 17th Asia-Pacific Conference on Communications, APCC 2011. 2011. pp. 478-483
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