Channel estimation and performance analysis for uplink SCMA system
There are two types of physical mapping for SCMA named RE-Sparse SCMA and RB-Sparse SCMA.A frequency division multiplexing (FDM) based pilot pattern was proposed for RE-Sparse SCMA,and existing code division multiplexing pilot patterns based on cyclic shift and orthogonal cover code (OCC) were consi...
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| Format: | Article |
| Language: | zho |
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Beijing Xintong Media Co., Ltd
2017-11-01
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| Series: | Dianxin kexue |
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| Online Access: | http://www.telecomsci.com/zh/article/doi/10.11959/j.issn.1000-0801.2017267/ |
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| author | Xian’an HU Xiangnian ZENG |
| author_facet | Xian’an HU Xiangnian ZENG |
| author_sort | Xian’an HU |
| collection | DOAJ |
| description | There are two types of physical mapping for SCMA named RE-Sparse SCMA and RB-Sparse SCMA.A frequency division multiplexing (FDM) based pilot pattern was proposed for RE-Sparse SCMA,and existing code division multiplexing pilot patterns based on cyclic shift and orthogonal cover code (OCC) were considered.Under different frequency selective channels,simulation and evaluation work for the two mapping schemes of SCMA had done.Besides,a target user selection strategy was proposed for existing SIC-MPA.Analytical simulation results show that both OCC and FDM can improve system performance with slot fading channel.Compared with RE-Sparse SCMA,RB-Sparse SCMA with partially frequency orthogonal pilot pattern enjoys better performance gain,and it is more applicable for realistic multi-user SCMA scenario. |
| format | Article |
| id | doaj-art-76d29cada9764c029b02f831192a0193 |
| institution | Kabale University |
| issn | 1000-0801 |
| language | zho |
| publishDate | 2017-11-01 |
| publisher | Beijing Xintong Media Co., Ltd |
| record_format | Article |
| series | Dianxin kexue |
| spelling | doaj-art-76d29cada9764c029b02f831192a01932025-01-15T03:05:53ZzhoBeijing Xintong Media Co., LtdDianxin kexue1000-08012017-11-013316917859599261Channel estimation and performance analysis for uplink SCMA systemXian’an HUXiangnian ZENGThere are two types of physical mapping for SCMA named RE-Sparse SCMA and RB-Sparse SCMA.A frequency division multiplexing (FDM) based pilot pattern was proposed for RE-Sparse SCMA,and existing code division multiplexing pilot patterns based on cyclic shift and orthogonal cover code (OCC) were considered.Under different frequency selective channels,simulation and evaluation work for the two mapping schemes of SCMA had done.Besides,a target user selection strategy was proposed for existing SIC-MPA.Analytical simulation results show that both OCC and FDM can improve system performance with slot fading channel.Compared with RE-Sparse SCMA,RB-Sparse SCMA with partially frequency orthogonal pilot pattern enjoys better performance gain,and it is more applicable for realistic multi-user SCMA scenario.http://www.telecomsci.com/zh/article/doi/10.11959/j.issn.1000-0801.2017267/5Gnon-orthogonal multiple accessuplink SCMApilot patternchannel estimationSIC-MPA |
| spellingShingle | Xian’an HU Xiangnian ZENG Channel estimation and performance analysis for uplink SCMA system Dianxin kexue 5G non-orthogonal multiple access uplink SCMA pilot pattern channel estimation SIC-MPA |
| title | Channel estimation and performance analysis for uplink SCMA system |
| title_full | Channel estimation and performance analysis for uplink SCMA system |
| title_fullStr | Channel estimation and performance analysis for uplink SCMA system |
| title_full_unstemmed | Channel estimation and performance analysis for uplink SCMA system |
| title_short | Channel estimation and performance analysis for uplink SCMA system |
| title_sort | channel estimation and performance analysis for uplink scma system |
| topic | 5G non-orthogonal multiple access uplink SCMA pilot pattern channel estimation SIC-MPA |
| url | http://www.telecomsci.com/zh/article/doi/10.11959/j.issn.1000-0801.2017267/ |
| work_keys_str_mv | AT xiananhu channelestimationandperformanceanalysisforuplinkscmasystem AT xiangnianzeng channelestimationandperformanceanalysisforuplinkscmasystem |