Ray

Expert Opinion

Expert Opinion
Short LTE articles and opinions by our team of Subject Matter Experts (SMEs)
  • Ray

    Transmission Mode 3 ….The first of the 4 MIMOs!

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    This is part 4 of my blog series about PDSCH transmission modes for the UE’s C-RNTI. Here we talk about transmission mode (tm3)…the first of the four MIMO schemes used in LTE 3GPP release 8. Tm3 has a few names: Open-Loop Spatial Multiplexing...
  • Ray

    Transmission Mode #1 ….Or is it?

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    This is part 2 of my blog series about PDSCH transmission modes for the UE’s C-RNTI. Transmission mode 1 (tm1) is one of the default transmission modes if a transmission mode is not specifically configured for a UE. In that case, if only one...
  • Ray

    Why Should You Care about Transmission Modes?

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    Transmission Mode 101 All UEs are configured with a transmission mode to help it determine how to process data transmissions received on the Physical Downlink Shared Channel (PDSCH). There are 7 transmission modes defined in 3GPP release 8 standards...