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Linear Precoders for Parallell Gaussian Channels with Low Decoding Complexity

Författare

Summary, in English

Consider the transmission of complex-valued symbols over N parallell channels in additive white Gaussian noise. It is well known that linear precoding of the complex-valued data improves system performance (e. g. symbol error rate, information rate, MMSE, etc.) at a cost of increased decoding complexity at the receiver. This work constructs precoders that are constrained to have a decoding complexity which equals that of no precoding, while still improving the system performance significantly compared with the no precoding case. This is achieved by designing the precoder so that it precodes the complex data streams separately, by utilizing the latest result from optimal real-valued precoding, and transmitting the real and complex parts of one symbol over different antennas.

Publiceringsår

2011

Språk

Engelska

Sidor

1-5

Publikation/Tidskrift/Serie

IEEE 74th Vehicular Technology Conference (VTC)

Dokumenttyp

Konferensbidrag

Förlag

IEEE - Institute of Electrical and Electronics Engineers Inc.

Ämne

  • Electrical Engineering, Electronic Engineering, Information Engineering

Conference name

IEEE Vehicular Technology Conference VTC 2011-Fall

Conference date

2011-09-05 - 2011-09-08

Conference place

San Francisco, CA, United States

Status

Published

ISBN/ISSN/Övrigt

  • ISSN: 1090-3038