Software Radio-Based Distributed Multi-User MIMO Testbed: Towards Green Wireless Communications
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- MURATA Hidekazu
- Graduate School of Informatics, Kyoto University
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- YOSHIDA Susumu
- Graduate School of Informatics, Kyoto University
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- YAMAMOTO Koji
- Graduate School of Informatics, Kyoto University
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- UMEHARA Daisuke
- Graduate School of Science and Technology, Kyoto Institute of Technology
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- DENNO Satoshi
- Graduate School of Natural Science and Technology, Okayama University
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- MORIKURA Masahiro
- Graduate School of Informatics, Kyoto University
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抄録
The present paper introduces a prototype design and experimental results for a multi-user MIMO linear precoding system. A base station and two mobile stations are implemented by taking full advantage of the software-defined radio. The base station consists of general purpose signal analyzers and signal generators controlled by a personal computer. Universal software radio peripherals are used as mobile stations. Linear spatial precoding and a simple two-way channel estimation technique are adopted in this experimental system. In-lab and field transmission experiments are carried out, and the bit error rate performance is evaluated. The impact of the channel estimation error under average channel gain discrepancy between two mobile stations is analyzed through computer simulations. Channel estimation error is shown to have a greater influence on the mobile station with the greater average channel gain.
収録刊行物
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- IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences
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IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences E96.A (1), 247-254, 2013
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詳細情報 詳細情報について
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- CRID
- 1390001206310669568
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- NII論文ID
- 10031167112
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- NII書誌ID
- AA10826239
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- ISSN
- 17451337
- 09168508
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- HANDLE
- 2433/174321
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- IRDB
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