Directional Antenna Test Results

0470-EX-ST-2018 Text Documents

Metrom Rail, LLC

2018-03-09ELS_206198

Metrom UWB Antenna Design Measurements of P1 Prototypes Apr. 17, 2017 Umesh.Navsariwala@pctel.com PCTEL Confidential Proprietary

Metrom UWB Antenna Design • Metrom UWB antenna requirements • Directional wide band antenna pair • Frequency range: 3.1 GHz to 5.3 GHz • Gain – as high as possible • Vivaldi tapered slot antenna PCTEL Confidential Proprietary

Metrom UWB Vivaldi Antenna Design • S-Parameters • AUT#1: Port1 – Left UWB antenna, Port2 – Right UWB antenna PCTEL Confidential Proprietary 3

Metrom UWB Vivaldi Antenna Design • S-Parameters • AUT#2: Port1 – Left UWB antenna, Port2 – Right UWB antenna PCTEL Confidential Proprietary 4

Metrom UWB Vivaldi Antenna Design • VSWR, Isolation • AUT#1: Port1 – Left UWB antenna, Port2 – Right UWB antenna PCTEL Confidential Proprietary 5

Metrom UWB Vivaldi Antenna Design • VSWR, Isolation • AUT#2: Port1 – Left UWB antenna, Port2 – Right UWB antenna PCTEL Confidential Proprietary 6

Metrom UWB Vivaldi Antenna Design • Total Efficiency (includes cable loss) • AUT#1: Port1 – Left UWB antenna PCTEL Confidential Proprietary 7

Metrom UWB Vivaldi Antenna Design • Elevation Radiation Pattern vs Frequency • AUT#1: Port1 – Left UWB antenna, Port2 – Right UWB antenna Port 1 - Left Port 2 - Right PCTEL Confidential Proprietary 8

Metrom UWB Vivaldi Antenna Design • Azimuthal Radiation Pattern vs Frequency • AUT#1: Port1 – Left UWB antenna, Port2 – Right UWB antenna Port 1 - Left Port 2 - Right PCTEL Confidential Proprietary 9

Metrom UWB Vivaldi Antenna Design • Maximum gain of 3D pattern (includes cable losses) • AUT#1: Port1 – Left UWB antenna PCTEL Confidential Proprietary 10

Metrom UWB Vivaldi Antenna Design • Elevation Radiation Pattern vs Frequency • AUT#1: GPS - RHCP Phi = 0 Phi = 90 PCTEL Confidential Proprietary 11

Metrom UWB Vivaldi Antenna Design • Maximum gain of 3D pattern (includes cable losses) • AUT#1: GPS PCTEL Confidential Proprietary 12

Metrom UWB Antenna Design • Measurement over a ground plane • Mounted on ground plane with a through hole • 3 ft diameter PCTEL Confidential Proprietary

Metrom UWB Vivaldi Antenna Design • Over ground plane - Elevation Radiation Pattern vs Frequency • AUT#1: Port1 – Left UWB antenna, Port2 – Right UWB antenna Port 1 - Left Port 2 - Right PCTEL Confidential Proprietary 14

Metrom UWB Vivaldi Antenna Design • Over ground plane - Maximum gain of 3D pattern (includes cable losses) • AUT#1: Port1 – Left UWB antenna PCTEL Confidential Proprietary 15


Document Created: 2017-05-01 09:33:40
Document Modified: 2017-05-01 09:33:40
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