Training Sequence Design for Channel Estimation in Uplink TRDMA System with Receive Beamforming
Date Issued
2016
Date
2016
Author(s)
Kao, Ming-Hsuan
Abstract
This thesis is focus on the channel estimation of TRDMA system with receive beamforming. We address the problem of how to design a good train- ing sequence for this system and also address the problem that how BS could make a good training sequence assignment so that the multi-user interference (MUI) by way of the limitation resource of training sequence could be re- duce and mitigate. Our proposed method appropriately arranged the training sequence for users and make a good decision that some training sequence re- source could be reuse. This could be accommodate more and more users to estimate the channel in the same time. Simulation results show that the pro- posed method can reduce the channel estimation error than randomly assign sequence and the performance gap is clear to see when the number of user grow up. In the final, we further construct the uplink TRDMA transmission with receive beamforming, and simulate the BER. The performance of our proposed method is still better than randomly assign the training sequences and further verify that the concept of TRDMA system is more promising in the future.
Subjects
receive beamforming
channel estimation
training sequence
uplink
Type
thesis
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