Instruct: Given a scientific paper title, retrieve paper titles that are cited by the given paper.
Query: A Novel Compact Butler Matrix Without Phase Shifter
Circularly Polarized Beam-Steering Antenna Array With Butler Matrix Network
2.4 GHz DOA finder using modified butler matrix for 2×2 array antennas
Single-Layer Broadband Phase Shifter Using Multimode Resonator and Shunt $\lambda $ /4 Stubs
Beam forming network using 4×4 narrowband butler matrix for tracking and localization applications
Improved Butler Matrix configuration for smart beamforming operations
Broadband Phase Shifter Using Loaded Transmission Line
Dual-Layer Ridged Waveguide Slot Array Fed by a Butler Matrix With Sidelobe Control in the 60-GHz Band
A 60-GHz RLSA fed by butler matrix carrying three OAM modes
A compact, 37% fractional bandwidth millimeter-wave phase shifter using a wideband lange coupler for 60-GHz and E-band systems
Research on a 0°∼360° FET analog phase shifter of x-band
CMOS millimeter wave phase shifter based on tunable transmission lines
Improvement of the Phase Shifter in 90 $^{\circ}$ Power Splitter for UWB Applications
Ultra-Wideband Phase Shifters
A 57-to-64 GHz ultra-compact 0.027 mm2 reflection type phase shifter with low insertion loss
Low-Cost Phased-Array Antenna Using Compact Tunable Phase Shifters Based on Ferroelectric Ceramics
Substrate integrated waveguide (SIW) broadband compensating phase shifter
Low Insertion Loss, Compact 4-bit Phase Shifter in 65 nm CMOS for 5G Applications
High temperature superconductive Butler matrix beam former for satellite applications
Millimeter-Wave Reflective-Type Phase Shifter in CMOS Technology
Double Microstrip-Slot Transitions for Broadband ${\pm} 90^{\circ}$ Microstrip Phase Shifters
Power Management Strategies for a Microgrid With Multiple Distributed Generation Units
Improved wide-band Schiffman phase shifter
A Cross Sectional Study on Procrastination: Who Procrastinate More?
Building an ontology catalogue for smart cities
Local Similarity-Aware Deep Feature Embedding