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CLC number: TN802

On-line Access: 2018-05-07

Received: 2017-12-11

Revision Accepted: 2018-03-01

Crosschecked: 2018-03-12

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Frontiers of Information Technology & Electronic Engineering  2018 Vol.19 No.3 P.357-366


Non-ideal space division multiple access and its application

Author(s):  Ji-ying Xiang

Affiliation(s):  ZTE Corporation, Shenzhen 518054, China

Corresponding email(s):   xiang.jiying@zte.com.cn

Key Words:  Fifth generation (5G), Condition number, Channel reciprocity, Feedback mode, Non-feedback mode

Ji-ying Xiang. Non-ideal space division multiple access and its application[J]. Frontiers of Information Technology & Electronic Engineering, 2018, 19(3): 357-366.

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journal="Frontiers of Information Technology & Electronic Engineering",
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A1 - Ji-ying Xiang
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We study the performance of space division multiple access (SDMA) under a non-ideal engineering situation. When the SDMA channel is of high inter-layer correlation and the condition number is large, the multiple user multiple input and multiple output user equipment (MUMIMOUE) grouping should be optimized, and in some cases further dimension-reduction should be applied. As the channel measuring is always non-ideal, we use two methods, feedback mode and non-feedback mode, in terms of performance and overhead. It is proposed that the non-feedback mode is preferable even for some non-reciprocal channels. Principle analysis and test results are given.




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