A Spectrum-Overlapped Resource Management for Turbo Equalizer in Uplink Future Multiple Access Channels
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- GOTO Jungo
- Sharp Corporation
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- NAKAMURA Osamu
- Sharp Corporation
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- YOKOMAKURA Kazunari
- Sharp Corporation
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- HAMAGUCHI Yasuhiro
- Sharp Corporation
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- IBI Shinsuke
- Graduate School of Engineering, Osaka University
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- SAMPEI Seiichi
- Graduate School of Engineering, Osaka University
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This paper proposes a spectrum-overlapped resource management (SORM) technique where each user equipment (UE) can ideally obtain the frequency selection diversity gain under multi-user environments. In the SORM technique for cellular systems, under assumption of adopting a soft canceller with minimum mean square error (SC/MMSE) turbo equalizer, an evolved node B (eNB) accepts overlapped frequency resource allocation. As a result, each UE can use the frequency bins having the highest channel gain. However, the SORM becomes non-orthogonal access when the frequency bins having high channel gain for UEs are partially identical. In this case, the inter-user interference (IUI) caused by overlapping spectra among UEs is eventually canceled out by using the SC/MMSE turbo equalizer. Therefore, SORM can achieve better performance than orthogonal access e.g. FDMA when the IUI is completely canceled. This paper demonstrates that SORM has the potential to improve transmission performance, by extrinsic information transfer (EXIT) analysis. Moreover, this paper evaluates the block error rate (BLER) performance of the SORM and the FDMA. Consequently, this paper shows that the SORM outperforms the FDMA.
収録刊行物
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- IEICE Transactions on Communications
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IEICE Transactions on Communications E95.B (12), 3679-3687, 2012
一般社団法人 電子情報通信学会
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詳細情報 詳細情報について
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- CRID
- 1390001204376984064
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- NII論文ID
- 10031161392
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- NII書誌ID
- AA10826261
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- ISSN
- 17451345
- 09168516
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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
- Crossref
- CiNii Articles
- KAKEN
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- 抄録ライセンスフラグ
- 使用不可