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Optimal Transmission with Per-antenna Power Constraints for Multiantenna Bidirectional Broadcast Channels
KTH, School of Electrical Engineering (EES), Communication Theory.ORCID iD: 0000-0002-0108-0749
KTH, School of Electrical Engineering (EES), Communication Theory.ORCID iD: 0000-0002-0036-9049
KTH, School of Electrical Engineering (EES), Communication Theory.ORCID iD: 0000-0002-7926-5081
2016 (English)In: The Ninth IEEE Sensor Array and Multichannel Signal Processing Workshop, 2016Conference paper, Published paper (Refereed)
Abstract [en]

This paper considers the optimal transmit strategy for multi-antenna bidirectional broadcast channels with per-antenna power constraints. First, an equivalent formulation of the weighted rate sum maximization problem is provided. This allows us to come up with an effective solution to characterize the boundary of the capacity region which relies on the weighted rate sum optimal rate pair. To that end, an iterative algorithm to find the optimal transmit strategy is derived, the convergence to the optimum is proved, and a closed-form solution of the corresponding off-diagonal elements of the optimal transmit strategy is provided. Further, we provide a parametrization of the curved section of the capacity region. Finally, the theoretical results and algorithm performance are illustrated by numerical examples.

Place, publisher, year, edition, pages
2016.
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-187653DOI: 10.1109/SAM.2016.7569633Scopus ID: 2-s2.0-84990836173OAI: oai:DiVA.org:kth-187653DiVA: diva2:930875
Conference
The Ninth IEEE Sensor Array and Multichannel Signal Processing Workshop (SAM 2016),10th-13th July 2016, Rio de Janeiro, Brazil
Note

QC 20160901

Available from: 2016-05-25 Created: 2016-05-25 Last updated: 2017-03-07Bibliographically approved

Open Access in DiVA

fulltext(255 kB)32 downloads
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File name FULLTEXT01.pdfFile size 255 kBChecksum SHA-512
03791c4fd1f2abdf001a6b9669b85867efec7185770f6372cf44b0c39797a2d3270c5d5aefc66febb98d340b43a34619b42c03a0b1679ac1aea585cb0876394f
Type fulltextMimetype application/pdf

Other links

Publisher's full textScopushttp://www.redes.unb.br/lasp/files/events/SAM2016/resumos/1570256901.pdf

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Cao, Phuong

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CiteExportLink to record
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  • apa
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