Wireless personal testbeds

MPE quadAtten 2.4GHz MPE quadAtten 5.0GHz


Broadband (DC – 7.5 GHz) multipath emulator

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octoBox multipath emulator (MPE) module uses innovative patented (US9130667) techniques to emulate indoor multipath in the RF domain keeping the signal path wide-band and bi-directional. This low-cost yet powerful fader consists of passive circuitry and uses high grade cabling to accurately model the power delay profile (PDP) of IEEE 802.11n/ac/ax model of a typical house, Model B

The MPE stacks with octoBoxes and other testbed components to add realism to the testbed by emulating multipath reflections. Together with the octoBox quadAtten module, the MPE can accurately model the house or office wireless channel environments according to the standards based models.

  • Broadband (DC – 7.5 GHz) multipath emulator
  • Accurately emulates a home channel model (IEEE 802.11 model B)
  • Built-in bypass switch for LOS conditions
  • Built-in programmable quadAtten programmable attenuators for range testing
  • 4x4 MIMO link

MPE Path Loss Circuit

The octoBox testbed frequency response measurements shown above are for the four conducted paths between the RF connectors in the lower chamber and the RF connectors in the upper chamber.
The path over which path loss is measured is represented by the red lines in the STACK-TT-MPE diagram on the left. The path includes the MPE and quadAtten modules.

MPE vs IEEE Model B MPE2 Block Diagram

Frequency Charts

OB-MPE_channel_response_NLOS_full_bandwidth OB-MPE_channel_response_NLOS_5-6GHz_bands OB-MPE_channel_response_NLOS_2.4GHz_band OB-MPE_channel_response_NLOS_ch36_48 OB-MPE_insertion_loss_LOS_full_bandwidth OB-MPE_insertion_loss_LOS_5-6GHz_bands OB-MPE_insertion_loss_LOS_2.4GHz_band



American Metric
OB-MPE2-26 26”W x 18”D x 5.5”H 66 x 46 x 14 cm
OB-MPE2-38 38”W x 24”D x 5.5”H 96 x 61 x 14 cm