Non-iterative multiuser MIMO coordinated beamforming with limited feedforward

Chan Byoung Chae, Takao Inoue, Robert W. Heath, David Mazzarese

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

3 Citations (Scopus)

Abstract

This paper proposes non-iterative coordinated beamforming algorithms for a multiuser MIMO (multiple input multiple output) system with multiple antennas at the transmitter and multiple users, each with multiple receive antennas. The transmitter uses linear beamforming to convey information to each user, while each receiver uses a quantized combining vector, sent from the transmitter via a low-rate feedforward control channel. Two different algorithms for optimizing transmit beamformers and receive combining vectors are proposed: a joint optimization and a greedy search. Simulations show that the proposed methods using quantized codebooks approach the sum capacity of the MIMO broadcast channel.

Original languageEnglish
Title of host publication2008 IEEE International Conference on Acoustics, Speech and Signal Processing, ICASSP
Pages2393-2396
Number of pages4
DOIs
Publication statusPublished - 2008 Sep 16
Event2008 IEEE International Conference on Acoustics, Speech and Signal Processing, ICASSP - Las Vegas, NV, United States
Duration: 2008 Mar 312008 Apr 4

Other

Other2008 IEEE International Conference on Acoustics, Speech and Signal Processing, ICASSP
CountryUnited States
CityLas Vegas, NV
Period08/3/3108/4/4

Fingerprint

Beamforming
Transmitters
Antennas
Feedforward control

All Science Journal Classification (ASJC) codes

  • Software
  • Signal Processing
  • Electrical and Electronic Engineering

Cite this

Chae, C. B., Inoue, T., Heath, R. W., & Mazzarese, D. (2008). Non-iterative multiuser MIMO coordinated beamforming with limited feedforward. In 2008 IEEE International Conference on Acoustics, Speech and Signal Processing, ICASSP (pp. 2393-2396). [4518129] https://doi.org/10.1109/ICASSP.2008.4518129
Chae, Chan Byoung ; Inoue, Takao ; Heath, Robert W. ; Mazzarese, David. / Non-iterative multiuser MIMO coordinated beamforming with limited feedforward. 2008 IEEE International Conference on Acoustics, Speech and Signal Processing, ICASSP. 2008. pp. 2393-2396
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Chae, CB, Inoue, T, Heath, RW & Mazzarese, D 2008, Non-iterative multiuser MIMO coordinated beamforming with limited feedforward. in 2008 IEEE International Conference on Acoustics, Speech and Signal Processing, ICASSP., 4518129, pp. 2393-2396, 2008 IEEE International Conference on Acoustics, Speech and Signal Processing, ICASSP, Las Vegas, NV, United States, 08/3/31. https://doi.org/10.1109/ICASSP.2008.4518129

Non-iterative multiuser MIMO coordinated beamforming with limited feedforward. / Chae, Chan Byoung; Inoue, Takao; Heath, Robert W.; Mazzarese, David.

2008 IEEE International Conference on Acoustics, Speech and Signal Processing, ICASSP. 2008. p. 2393-2396 4518129.

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

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N2 - This paper proposes non-iterative coordinated beamforming algorithms for a multiuser MIMO (multiple input multiple output) system with multiple antennas at the transmitter and multiple users, each with multiple receive antennas. The transmitter uses linear beamforming to convey information to each user, while each receiver uses a quantized combining vector, sent from the transmitter via a low-rate feedforward control channel. Two different algorithms for optimizing transmit beamformers and receive combining vectors are proposed: a joint optimization and a greedy search. Simulations show that the proposed methods using quantized codebooks approach the sum capacity of the MIMO broadcast channel.

AB - This paper proposes non-iterative coordinated beamforming algorithms for a multiuser MIMO (multiple input multiple output) system with multiple antennas at the transmitter and multiple users, each with multiple receive antennas. The transmitter uses linear beamforming to convey information to each user, while each receiver uses a quantized combining vector, sent from the transmitter via a low-rate feedforward control channel. Two different algorithms for optimizing transmit beamformers and receive combining vectors are proposed: a joint optimization and a greedy search. Simulations show that the proposed methods using quantized codebooks approach the sum capacity of the MIMO broadcast channel.

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Chae CB, Inoue T, Heath RW, Mazzarese D. Non-iterative multiuser MIMO coordinated beamforming with limited feedforward. In 2008 IEEE International Conference on Acoustics, Speech and Signal Processing, ICASSP. 2008. p. 2393-2396. 4518129 https://doi.org/10.1109/ICASSP.2008.4518129