A Zero-Forcing Multiuser Transmitter Preprocessing Scheme for Downlink Communications

Yang, Lie-Liang (2008) A Zero-Forcing Multiuser Transmitter Preprocessing Scheme for Downlink Communications. IEEE Transactions on Communications, 56, (6), 862-865.


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In this letter a multiuser transmitter preprocessing (MUTP) approach is proposed for downlink wireless communications, such as in spatial-division multiple-access (SDMA) or direct-sequence code-division multiple-access (DS-CDMA) system. In the proposed MUTP the preprocessing matrix is obtained by constructing a subspace that is orthogonal to the interference subspace without relying on eigen-analysis. The proposed MUTP fully removes the downlink multiuser interference, resulting in the zero-forcing (ZF) solution. It is capable of achieving the same bit error rate (BER) performance as the conventional ZF-based MUTP (ZF-MUTP).

Item Type: Article
Divisions : Faculty of Physical Sciences and Engineering > Electronics and Computer Science > Southampton Wireless Group
ePrint ID: 265939
Accepted Date and Publication Date:
June 2008Published
Date Deposited: 13 Jun 2008 10:24
Last Modified: 31 Mar 2016 14:11
Further Information:Google Scholar
URI: http://eprints.soton.ac.uk/id/eprint/265939

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