R&S®TS6650 Interference Test System for ATC Radar Systems

Countering interference from LTE and WiMAX signals

  • Overview

Key Facts

  • Verification of immunity using realistic scenarios involving multiple LTE and WiMAX emitters
  • High total field strength of ≥ 1 V/m peak envelope power (PEP) at radar antenna 200 m away

Brief Description

The R&S®TS6650 detects potential interference to air traffic control (ATC) radar systems caused by LTE and WiMAX emissions in the adjacent frequency band.

Features

  • Realistic, adaptable scenarios
  • Complete radar test in normal operating mode
  • Modular, future-ready system concept

Specifications

Frequency range 2500 MHz to 2690 MHz
ATC radar frequency range 2720 MHz to 3100 MHz
Test distance 100 m to 300 m

Key Facts

  • Verification of immunity using realistic scenarios involving multiple LTE and WiMAX emitters
  • High total field strength of ≥ 1 V/m peak envelope power (PEP) at radar antenna 200 m away
  • High suppression of intermodulation products and spurious emissions in radar band to < –130 dBm/MHz through decoupled, low-intermodulation filters
  • Flexible setup at 100 m to 300 m from radar for taking local conditions into account
  • Tests in normal radar operating mode
  • Flexible, modular system based on standardized instruments; expandable for other interference tests

Brief Description

The R&S®TS6650 detects potential interference to air traffic control (ATC) radar systems caused by LTE and WiMAX emissions in the adjacent frequency band. The effectiveness of counteraction is verified on the radar.

Features & Benefits

  • Realistic, adaptable scenarios
    • Transmit frequency range from 2.496 GHz to 2.69 GHz
    • Emission of a complete scenario including multiple base stations and mobile stations
    • Up to 120 MHz total signal bandwidth
    • Flexible setup of scenarios on the R&S®SMBV100A and transfer to system software
    • High output power (600 W PEP) equivalent to power of several base stations
    • Integrated automatic level control and calibration routine
  • Complete radar test in normal operating mode
    • Protection of RF path against radar pulses up to 1000 MW equivalent isotropically radiated power (EIRP)
    • Testing of radar receiver for immunity to out-of-band emissions using the interfering signal's very high spectral purity of > 110 dBc in the frequency range from 2.72 GHz to 3.1 GHz
    • Testing of radar receiver for immunity to inband emissions using a direct generator signal
  • Modular, future-ready system concept
    • Based on standardized instruments
    • Adaptable to other interference test scenarios
    • Adaptable to existing customer masts

Specifications

Frequency range   2500 MHz to 2690 MHz
ATC radar frequency range   2720 MHz to 3100 MHz
Test distance   100 m to 300 m
Max. output power   600 W PEP,
100 W CW
Attainable field strength at radar antenna test distance 200 m ≥ 1 V/m PEP
Spurious emissions 2720 MHz to 3100 MHz < –110 dBc
(< –130 dBm/MHz at radar receiver)
Max. ATC radar power (EIRP) duty cycle: max. 1 %; pulse width max. 10 μs 90 dBW
Test antenna
Type   reflector antenna, 0.9 m diameter
Weight test antenna and RF cable < 25 kg (55.1 lb)
Max. height of antenna mast 1)   25 m (82 ft)
Test rack
Dimensions   19", 20 HU
depth: 800 mm
Weight   approx. 50 kg (110.2 lb)
Power supply   200 V to 240 V AC,
2500 W

1) Antenna mast not included in base system.

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