Distributed Transmission for Secure Wireless Links Based on a Secret-Sharing Method

Yamanaka, Masahito; Wei, ShenCong; Jingbo, Zou; Ohno, Shûichi; Miyamoto, Shingo; Sampei, Seiichi

doi:10.1587/transcom.2018ebp3284

Cited by 2 publications

(3 citation statements)

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“…Consequently, the (𝑘, 𝑛)-threshold scheme can be easily transformed into an all-or-nothing scheme by selecting 𝑘 code symbols for transmission. We assume that an all-or-nothing scheme is applied at the transmitter to divide the transmitted information for distributed transmission [7].…”

Section: Secret-sharing Methods (Ssm)mentioning

confidence: 99%

“…The main concept of this method is to pre-divide the transmitted information into several pieces and send each piece separately through different routes to the destination. Previous research [7] has shown that combining directive transmission with a secret-sharing method (SSM) [2] effectively exploits the multi-path property of wireless link to establish a secure connection based on this concept. In this method, at the transmitter, multiple routes to the destination are provided by adjusting the antenna's directivity to align with the dominant propagation paths.…”

Section: Introductionmentioning

confidence: 99%

“…In MIMO transmission, a transmission link can generate multiple sub-channels, serving as parallel routes for distributed transmission. We have pointed out in [8] that, by employing the SSM, optimum transmission can be achieved by allocating the transmission power inversely proportional to the channel gains among these subchannels. This implies that the received signal power is evenly distributed among the parallel routes.…”

Section: Introductionmentioning

confidence: 99%

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A study of secure communication with secret sharing method in MIMO eigen stream parallel channels

Yamanaka,

Kinjo,

Miyamoto

2024

IEICE Commun. Express

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This letter proposes a secure transmission method using spatially parallel channels formed in a multi-input multi-output (MIMO) communication scenario. In the proposed method, the transmitted information is divided into pieces using a secret-sharing method. These generated pieces are then transmitted separately to the destination through the parallel sub-channels of the MIMO communication link. The secret-sharing method ensures that the transmitted information remains unrevealed unless all the divided pieces are obtained, thus achieving secure communication by establishing an advantageous situation for the legitimate receiver to gather the divided pieces against wiretappers in the surrounding area. Computer simulations demonstrate that allocating transmission power inverseproportionally to the channel gains among the MIMO sub-channels creates a secure link to the receiver from the channel capacity perspective. The secret capacity of the link increases with the number of antenna elements in the MIMO configuration at the expense of power gain.

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Section: Secret-sharing Methods (Ssm)mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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