MIMO performance and condition number in LTE test
Keywords:LTE test? MIMO performance? LTE 3GPP?
Of particular interest is how to quickly determine whether a MIMO channel is capable of supporting spatial multiplexing under a given SNR. Fortunately with the proper test equipment, a figure of merit called "condition number" can provide a short-term indication of the SNR required to properly recover a MIMO transmission over the selected wireless channel.
This application note reviews the basic concepts of MIMO with specific application to spatial multiplexing in 3GPP LTE. It shows measurements of channel coefficients and associated condition numbers as they relate to the SNR at the LTE receiver. How antenna and channel correlation affects system performance is also discussed, along with recommendations for the best measurement tools to use when developing LTE products and systems.
View the PDF document for more information.
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