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dc.contributor.authorLin, Chun-Taoen_US
dc.contributor.authorWu, Wen-Rongen_US
dc.date.accessioned2015-07-21T08:30:51Z-
dc.date.available2015-07-21T08:30:51Z-
dc.date.issued2013-01-01en_US
dc.identifier.isbn978-1-4799-0434-1en_US
dc.identifier.issnen_US
dc.identifier.urihttp://hdl.handle.net/11536/125125-
dc.description.abstractX-structured precoding has been considered a promising precoding method for MIMO systems with maximum-likelihood (ML) receivers. It not only simplifies the precoder design, but allows a low-complexity ML detection scheme. For a real-world precoding scheme, a precoder can only be selected from a codebook and its index is fed back to the transmitter, known as limited-feedback precoding. Due to its special structure, two codebooks are required in X-structured precoding. In this paper, we first investigate how to construct the codebooks for X-structured precoding. Then, we consider the detection problem in limited-feedback X-structured precoding in which the X-structure no longer holds. With group successive interference cancelation, we propose a MIMO detection method to solve the problem. The synergy of the proposed methods yields a low-complexity ML precoding and detection scheme. Simulations show that the proposed methods provide satisfactory results.en_US
dc.language.isoen_USen_US
dc.titleLimited Feedback for X-Structured Precoding in Spatial-Multiplexing MIMO Systemsen_US
dc.typeProceedings Paperen_US
dc.identifier.journal2013 9TH INTERNATIONAL CONFERENCE ON INFORMATION, COMMUNICATIONS AND SIGNAL PROCESSING (ICICS)en_US
dc.contributor.department傳播研究所zh_TW
dc.contributor.departmentInstitute of Communication Studiesen_US
dc.identifier.wosnumberWOS:000353339000174en_US
dc.citation.woscount0en_US
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