Effects of UE Speed on MIMO Channel Capacity in LTE

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Description

With the introduction of 4G LTE, multiple new technologies were introduced. MIMO is one of the important technologies introduced with fourth generation. The main MIMO modes used in LTE are open loop and closed loop spatial multiplexing modes. This thesis develops an algorithm to calculate the threshold values of UE speed and SNR that is required to implement a switching algorithm which can switch between different MIMO modes for a UE based on the speed and channel conditions (CSI). Specifically, this thesis provides the values of UE speed and SNR at which we can get better results by switching between ... continued below

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Shukla, Rahul August 2016.

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  • Shukla, Rahul

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With the introduction of 4G LTE, multiple new technologies were introduced. MIMO is one of the important technologies introduced with fourth generation. The main MIMO modes used in LTE are open loop and closed loop spatial multiplexing modes. This thesis develops an algorithm to calculate the threshold values of UE speed and SNR that is required to implement a switching algorithm which can switch between different MIMO modes for a UE based on the speed and channel conditions (CSI). Specifically, this thesis provides the values of UE speed and SNR at which we can get better results by switching between open loop and closed loop MIMO modes and then be scheduled in sub-channels accordingly. Thus, the results can be used effectively to get better channel capacity with less ISI. The main objectives of this thesis are: to determine the type of MIMO mode suitable for a UE with certain speed, to determine the effects of SNR on selection of MIMO modes, and to design and implement a scheduling algorithm to enhance channel capacity.

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  • August 2016

Added to The UNT Digital Library

  • Aug. 31, 2016, 10:41 p.m.

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  • Oct. 25, 2016, 10:01 a.m.

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Shukla, Rahul. Effects of UE Speed on MIMO Channel Capacity in LTE, thesis, August 2016; Denton, Texas. (digital.library.unt.edu/ark:/67531/metadc862877/: accessed July 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .