DC–20‐GHz compact SPQT switch for butler matrix switched beam smart antenna system

Tsai, Jeng Han; Shih, Hung Da

doi:10.1002/mop.26993

Cited by 5 publications

(3 citation statements)

References 5 publications

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“…They are (a) switchedbeam systems and (b) adaptive array system. Smart antenna array processing [6,41,42,[71][72][73][74][75] is based on the configuration of the spatial correlation matrix at the antenna array. In the design of smart antenna [43,44,76] techniques, system architecture, implementation and complexity limitations need to be considered.…”

Section: Types Of Smart Antennas With Their Principles and Configuratmentioning

confidence: 99%

Features and Futures of Smart Antennas for Wireless Communications: A Technical Review

Oluwole¹,

Srivastava²

2018

JESTR

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Smart antenna is one of the most proficient and dominant technological innovations for maximizing capacity, improve quality, and coverage in wireless communications system. This work presents relevant comprehensive technical review of research work, unanswered questions, and untried methods on smart antennas technology for wireless communication systems. This also examines most of the significant improvements in the field of smart antennas technologies and the related fields in wireless communication systems. An evaluation of the analytical techniques for the theoretical analysis of adaptive beamforming algorithm, level of the system performance optimization approaches has been highlighted. Performance realistic evaluation and implementation cogent parameters areas for the deployment of smart antennas on the performance system in wireless communication systems have been also examined.

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Section: Types Of Smart Antennas With Their Principles and Configuratmentioning

confidence: 99%

Features and Futures of Smart Antennas for Wireless Communications: A Technical Review

Oluwole¹,

Srivastava²

2018

JESTR

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“…Furthermore, previous SPDT, SP4T, and 4 × 4 switching matrices [14][15][16][17][18][19][20][21][22][23][24][25][26][27][28][29][30] were never integrated at the system level. If the chip RF output ports are connected on a PCB using bonding wire by the conventional method, then the bandwidth will decrease from 20 to 5 GHz.…”

Section: Introductionmentioning

confidence: 99%

Transmit/receive 3–20 GHz 1.2 mW packaged double-pole-16-throw switching matrix for radar-based target detection

Azhari

Kuwano

Xiao

et al. 2017

Jpn. J. Appl. Phys.

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A 3-20 GHz transmit/receive (T/R) double-pole-16-throw (DP16T) switching matrix has been developed on a printed circuit board (PCB) to control sixteen antennas in a radar-based portable breast-cancer detection system. The DP16T switch consists of four 65 nm CMOS 0.01-20 GHz doublepole-four-throw (DP4T) switches. The proposed switch increase the number of T/R combinations to 224 from the 196 of a conventional switching matrix in order to construct high-resolution images. Using this switch and a 4 ' 4 slot antenna array, a 10 ' 10 mm 2 aluminum target was detected with an 8-GHz-center-frequency Gaussian monocycle pulse. The power consumption of the switch is only 1.2 mW. To the best of the authors' knowledge, this is the first T/R radio frequency (RF) DP16T switching matrix, which was realized with four CMOS DP4T switches on a PCB and was measured with RF PCB connectors.

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“…In general, this is an effective method to enhance the system capacity by combining the adaptive antenna technology with the cell technology. An intelligent cell with switch beam is introduced in [17,27,28]. In this system, all the beams of the basestation adaptive antennas share available channels and the antenna system is responsible for determining which beam the current location of the mobile station belongs to; thus it uses the antenna switch to connect the radio channel to the beam, correspondingly.…”

Section: Introductionmentioning

confidence: 99%

Performance Analysis of Joint Base-Station Multiantenna Multibeam and Channel Assignment Scheme for Hierarchical Cellular System

Yang¹,

Liu²,

Zhang³

2014

International Journal of Antennas and Propagation

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Different from the traditional configuration of hierarchical cellular, we introduce the joint base-station multi-antenna multi-beam and channel assignment scheme for hierarchical cellular in this paper. The proposed scheme is based on multi-beam base-station antenna splitting in the elevation-radiating plane, and a dynamic channel allocation scheme by combining the adaptive antenna technologies. Simulation results show that the proposed configuration of the hierarchical cellular can enhance the spectral efficiency remarkably.

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DC–20‐GHz compact SPQT switch for butler matrix switched beam smart antenna system

Cited by 5 publications

References 5 publications

Features and Futures of Smart Antennas for Wireless Communications: A Technical Review

Features and Futures of Smart Antennas for Wireless Communications: A Technical Review

Transmit/receive 3–20 GHz 1.2 mW packaged double-pole-16-throw switching matrix for radar-based target detection

Performance Analysis of Joint Base-Station Multiantenna Multibeam and Channel Assignment Scheme for Hierarchical Cellular System

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