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Channel Sounder

Nowadays, Channel modelling and real measurements are indispensable for wireless system design. It is the wireless channel that determines the ultimate performance limits of any communication system. Channel frequency selectivity, Multi-path delays and other factors affect the channel capability to support high and broad-band data rates. Spectratronix provides a versatile RF channel sounder based on its C700 modular platform which brings about several channel sounding methods required by todays researchers. The measurements can be done comprising transmission and reception in one chassis, or to use two chassis (one for TX and one for RX) according to the measurement scenario and requirements. In figure 1 below, a solution based on separated TX and RX is shown.

Channel Sounder Architecture
Methods of Channel Sounder
Channel Sounder Features

Figure 1, C700 based Channel Sounder

In the following figures, two of the common methods that can be defined in Spectratronix channel sounder are shown.

Figure 2, Generic architecture of swept channel sounder

 slid_corr

Figure 3, Generic architecture of sliding correlator channel sounder

Features and Main Specifications

  • Frequency range:                         400 MHz to 6 GHz (4 GHz to 6 GHZ for UWB sweep)
  • Operation :                                    Indoor and outdoor (using 2 chassis)
  • Measurements methods:              Time domain and frequency domain (UWB Sweep)
  • Time domain modes :                   Correlated Chirp or PN sequence
  • Temporal resolution:                     20 ns (chirp mode), 50 ns (PN sequence mode)
  • Chirp sweep time:                         81.92 μsec
  • Bandwidth :                                   50 MHZ (chirp mode) and 2 GHz (UWB sweep)
  • Merits :                                          Constant envelope with uniform Power spectral density (Chirp mode)
  • UWB sweep seed:                        1GHz/ ms
  • RF output power:                          30 dBm (optional amplifiers available)
  • Accessories:                                 Contact us for available LNA’s, antennas, cables, and adapters
  • MIMO support:                              The system is modular and scalable to multiple-input and multiple-output operation

For more information, please contact sales@spectratronix.com

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