Overloaded Wireless MIMO Switching for Information Exchanging through Untrusted Relay in Secure Wireless Communication
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- TAKAHASHI Arata
- Dept. of Electrical and Computer Eng., Shinshu Univ.
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- TAKYU Osamu
- Dept. of Electrical and Computer Eng., Shinshu Univ.
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- FUJIWARA Hiroshi
- Dept. of Electrical and Computer Eng., Shinshu Univ.
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- FUJII Takeo
- Adv. Wireless and Commun. Res. Center (AWCC), Univ. of Electro-Communications
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- OHTSUKI Tomoaki
- Department of Information and Computer Science, Keio University
説明
<p>Information exchange through a relay node is attracting attention for applying machine-to-machine communications. If the node demodulates the received signal in relay processing confidentially, the information leakage through the relay station is a problem. In wireless MIMO switching, the frequency spectrum usage efficiency can be improved owing to the completion of information exchange within a short time. This study proposes a novel wireless MIMO switching method for secure information exchange. An overloaded situation, in which the access nodes are one larger than the number of antennas in the relay node, makes the demodulation of the relay node difficult. The access schedule of nodes is required for maintaining the overload situation and the high information exchange efficiency. This study derives the equation model of the access schedule and constructs an access schedule with fewer time periods in the integer programming problem. From the computer simulation, we confirm that the secure capacity of the proposed MIMO switching is larger than that of the original one, and the constructed access schedule is as large as the ideal and minimum time period for information exchange completion.</p>
収録刊行物
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- IEICE Transactions on Communications
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IEICE Transactions on Communications E104.B (10), 1249-1259, 2021-10-01
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
- 1390008089765789568
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- NII論文ID
- 130008095524
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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