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A mm-Wave Phased-Array Fed Torus Reflector Antenna with ±30° Scan Range for Massive-MIMO Base-Station Applications
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- Elsakka, Amr (author)
- Technische Universiteit Eindhoven,Eindhoven University of Technology
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- Farsaei, A. (author)
- Technische Universiteit Eindhoven,Eindhoven University of Technology
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- Van den Biggelaar, A. J. (author)
- Technische Universiteit Eindhoven,Eindhoven University of Technology
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- (creator_code:org_t)
- 2022
- 2022
- English.
- In: IEEE Transactions on Antennas and Propagation. - 0018-926X .- 1558-2221. ; 70:5, s. 3398-3410
- Journal article (peer-reviewed)
Abstract
Subject headings
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- A phased-array fed reflector antenna system is presented which can be used for mm-wave base station applications. The proposed system is designed to support massive-Multi-Input-Multi-Output (MIMO) scenarios within a wide coverage (±30°) in the azimuth plane and a limited coverage at the elevation plane. A design and characterization methodology has been established to optimize the system for the operation in various line-of-sight conditions by adopting the maximum-ratio-transmission (MRT) and zero-forcing (ZF) MIMO algorithms. A two-user MIMO case study has been considered for the evaluation of the key system performance metrics, i.e. the effective isotropic radiated power, power consumption, signal-to-noise-ratio (SNR), and signal-to-interference-plus-noise-ratio (SINR). This study demonstrates that the phased-array fed reflector concept has a major advantage over traditional direct-radiating phased array (DRPA) antennas to reduce energy consumption. In the present example, it requires 12–14 dB less transmitted power as compared to the MRT-beamformed DRPAs for the same SNR, and 26–27 dB less transmitted power relatively to ZF-beamformed DRPA systems for the same SINR. A prototype, employing a 55 cm diameter torus reflector and operating at 28 GHz-band, has been manufactured and tested. The measurement results agree well with simulations.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Kommunikationssystem (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Communication Systems (hsv//eng)
Keyword
- Phased arrays
- Interference
- mm-wave
- MIMO communication
- massive-MIMO
- reflector antenna
- Signal to noise ratio
- Antennas
- wide scan range
- Gain
- focal plane arrays
- Array signal processing
- Phased arrays
Publication and Content Type
- art (subject category)
- ref (subject category)
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