In this post, we will discuss everything about the cyclic prefix. In order to understand cyclic prefix let’s first revise our concepts about OFDM and signal processing. When a device transmits a signal, it may or may not reach directly ...
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Rate-matching in 5G: What & Why?
adminLet’s first understand why we need such a module in 5G. Rate matching gets you the exact number of bits after channel encoding that are being transmitted. Let’s assume we have some resources allocated for a particular channel and we ...
5G NR data rate calculation
adminA common question, most telecom experts are interested in is, the maximum data rate supported. These numbers are unrealistic in real life. Data rate calculations are different in 4G and 5G. In this post, we will calculate and understand the ...
Physical Cell Id planning in 5G
geekCell id or also known as Physical Cell Id (PCI) is an unique identity for a cell. LTE has 504 cell ids where 5G has 1008 cell ids. In this post we will find out the answers to our following ...
Scrambling in 5G. What and Why?
adminIn 4G and 5G bits after channel encoding are scrambled with a pseudo random sequence of bits. The output of the channel encoder can theoretically be same with other interfering signal which may lead to failure of decoding at the ...
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