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A Zero-Forcing Multiuser Transmitter Preprocessing Scheme for Downlink Communications

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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).

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

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Published date: June 2008
Organisations: Southampton Wireless Group


Local EPrints ID: 265939
PURE UUID: e4c026c0-bdf3-450b-8bc8-feef3d838d04
ORCID for Lie-Liang Yang: ORCID iD

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Date deposited: 13 Jun 2008 10:24
Last modified: 18 Jul 2017 07:21

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Author: Lie-Liang Yang ORCID iD

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