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Multiple Input Multiple Output (MIMO) Module

Advanced communication techniques such as Multiple Input Multiple Output (MIMO) technology are considered as possible extensions to the existing next generation cellular networks. MIMO technology offers a significant increase in data throughput and link range without additional bandwidth or increased transmit power. It achieves this by spreading the same total transmit power over the antennas to achieve an array gain that improves the spectral efficiency or to achieve a diversity gain that improves the link reliability. Because of these properties, MIMO is an important part of modern wireless communication standards, such as IEEE 802.11n (WiFi), 4G, 3GPP Long Term Evolution and WiMAX. The spatial multiplexing techniques make the receivers complex, MIMO is typically combined with OFDM modulation, where the problems created by multi-path channel are efficiently handled. The MIMOWAVES’s module suitable for IEEE 802.16e standard which uses MIMO-OFDMA; and the IEEE 802.11n standard uses MIMO-OFDM. MIMOWAVES’s MIMO implementation allows for 2x2 channel model. This means the transmitter sends two multiple streams by multiple transmit antennas. The transmit streams go through a matrix channel which consists of all possible paths between the transmit antennas at the transmitter and the receive antennas at the receiver. Then, the receiver gets the received signal vectors by the 2 receiving antennas and decodes the received signal vectors into the original information.

  • IEEE 802.11n (WiFi)
  • 3GPP Long Term Evolution
  • WiMAX technology


  • Increase in data throughput
  • Increased transmit power


  • Matlab and 'C' source Code Bit-accurate software model - It is easy to integrate in Matlab, C or C++ environment.
  • Design Document