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Thien Hieu


Last seen: 1 month ago |  Active since 2023

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What factors contribute to the randomness in Channels generated by Ray Tracing?
I'm reading example CDL Channel Model Customization with Ray Tracing and have some questions. When I changed the random stream ...

1 month ago | 1 answer | 0

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What to do next after Channel Estimation, when number of estimated channels (Antenna Ports) is smaller than number of antennas?
I'm reading example NR Channel Estimation Using CSI-RS and I have a question about the estimated channel. While the true channe...

1 month ago | 1 answer | 0

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How to see full view of site viewer ray tracing?
Hi, I would like to ask how could I see the full view of the site viewer (when I use ray tracing). I still used it normally, b...

2 months ago | 0 answers | 0

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How to generate Channel for 2 (or more) consecutive slots?
Hi everyone, I know that we can generate channel for 1 slot by using CDLChannel, then nrPerfectChannelEstimation, but how can I...

3 months ago | 1 answer | 0

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Question


CIR filter w in nrChannelEstimate (practical channel estimation)
Hi, I would like to understand the CIR denoising, and how it helps in nrChannelEstimate function. I have read the inside of the...

3 months ago | 1 answer | 0

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Mathematics relationship between CDL channels and Saleh-Valenzuela model
Hi everyone, I'm learning to generate a CDL channel through example CDL Channel Model Customization with Ray Tracing, and I al...

8 months ago | 1 answer | 0

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Question


Wireless communication - how beamforming works in multi-antenna OFDM systems?
Hi everyone, I am new in channel estimation area and I am having quetions about FFT, beamforming... in a multi antenna OFDM syst...

1 year ago | 1 answer | 0

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Solved


Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

1 year ago

Question


Understanding modulation in transmiting of wireless communication
Hi everyone ^^ I have a question about modulation in transmition of singular antenna device as follow. As I understand, for ex...

1 year ago | 0 answers | 0

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Question


Channel gain / path loss in simulation in wireless communication
Hi everyone, I would like to ask: I have seen some papers use the path loss model of , some use . I see these are much differen...

1 year ago | 1 answer | 0

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