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Switched Beam SIW Horn Arrays at 60 GHz for 360° Chip-to-Chip Communications

https://doi.org/10.1109/RWS50353.2021.9360360

Baniya, Prabhat ; Melde, Kathleen L. ( February 2021 , 2021 IEEE Radio and Wireless Symposium (RWS))
null (Ed.)
Switched beam horn arrays at 60 GHz based on the substrate integrated waveguide (SIW) technology are presented for use in reconfigurable chip-to-chip communications. Each array has eight identical printed horn elements. The elements can be individually excited to produce eight directive endfire beams, at an angular spacing of 45°, in the azimuth plane. The arrays enable each chip to communicate with its eight surrounding neighbors. The side and back lobes of the element radiation pattern, however, causes interference to chips that are in the unintended directions. The wireless links are analyzed using the measured and simulated transmission coefficients between the arrays in the line-of-sight (LoS) and non-line-of-sight (NLoS) directions.
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360° Switched Beam SIW Horn Arrays at 60 GHz, Phase Centers, and Friis Equation

https://doi.org/10.23919/USNC-URSINRSM51531.2021.9336437

Baniya, Prabhat ; Melde, Kathleen L. ( January 2021 , 2021 United States National Committee of URSI National Radio Science Meeting (USNC-URSI NRSM))
null (Ed.)
The link model of switched beam horn arrays at 60 GHz based on the substrate integrated waveguide (SIW) technology with 360° angular coverage is presented. Each array has eight identical printed horn elements. The elements are oriented 45° relative to one another and can be individually excited to produce eight endfire beams in the horizontal plane. The over-the-air (OTA) transmission coefficients are measured and simulated between two arrays, in the line-of-sight (LoS) and non-LoS (NLoS) directions. The phase centers (PCs) of the excited elements are determined from post-processing optimization of simulated far-fields and incorporated in the Friis equation to accurately model the transmission.
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Switched Beam SIW Horn Arrays at 60 GHz for 360° Reconfigurable Chip-to-Chip Communications With Interference Considerations

https://doi.org/10.1109/ACCESS.2021.3097036

Baniya, Prabhat ; Melde, Kathleen L. ( January 2021 , IEEE Access)
PCB bowing effects on 60 GHz switched-beam antenna modules

https://doi.org/10.1109/APUSNCURSINRSM.2019.8888652

Baniya, Prabhat ; Melde, Kathleen L ( July 2019 , In 2019 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting,)

This paper introduces a method to incorporate the bowing curvature on the 3-D models of 60 GHz switched-beam multilayer antenna modules. This allows such manufacturing effects on the fabricated prototypes to be taken into account in the post-fabrication simulation. The curvature is introduced on the ﬂat 3-D model by intersecting the raised metal patterns with curve solid layers. The method is general and can be applied on any layered structure even if vias are present. The full-wave simulations of the model, with and without the bow, are performed. The reﬂection coefﬁcients (both measured and simulated) and radiation patterns are compared and analyzed to determine the effects of bowing.
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Switched-Beam Endfire Planar Array With Integrated 2-D Butler Matrix for 60 GHz Chip-to-Chip Space-Surface Wave Communications

https://doi.org/10.1109/LAWP.2018.2887259

Baniya, Prabhat ; Melde, Kathleen L. ( February 2019 , IEEE Antennas and Wireless Propagation Letters)

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Standing Wave Considerations in the Link Model of 60 GHz Directional Surface Wave Arrays

https://doi.org/10.1109/APUSNCURSINRSM.2018.8608853

Baniya, Prabhat ; Melde, Kathleen L. ( July 2018 , 2018 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting)

This paper proposes an improvement of the link model of 60 GHz directional surface wave antenna arrays. Since the transmit and receive arrays share the grounded substrate, the total coupling power is contained in both space and surface waves. The dominant TM 0 mode of the grounded substrate contributes to the surface wave coupling. In addition, it is shown that the finite extent of the substrate creates a TM 0 standing wave. This wave is responsible for oscillations in the power coupling between the arrays as a function of their separation.
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Chip-to-Chip Switched Beam 60 GHz Circular Patch Planar Antenna Array and Pattern Considerations

https://doi.org/10.1109/TAP.2018.2803135

Baniya, Prabhat ; Bisognin, Aimeric ; Melde, Kathleen L. ; Luxey, Cyril ( April 2018 , IEEE Transactions on Antennas and Propagation)

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Switched-Beam 60-GHz Four-Element Array for Multichip Multicore System

https://doi.org/10.1109/TCPMT.2017.2775182

Baniya, Prabhat ; Yoo, Sungjong ; Melde, Kathleen L. ; Bisognin, Aimeric ; Luxey, Cyril ( February 2018 , IEEE Transactions on Components, Packaging and Manufacturing Technology)

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