Machine Learning
Introducation Machine learning (ML) is a subfield of artificial intelligence (AI). Application Image processing Image tagging Optical character recognition (OCR) Self-driving cars Text analysis Spam …
Posts
LTE - PDCCH & EPDCCH
Introduction This post provides a brief summary on physical downlink control channel (PDCCH) and enhanced physical downlink control channel (EPDCCH) in long term evolution (LTE). Note the summary is …
LTE - Mobility Management
The most remarkable character of mobile communication, which differs from other communication methods, is its mobility. The mobility can fall into two categories, intra-radio access technology (RAT) …
LTE - Frequency Domain Location of Carriers
An LTE carrier, in principle, can be positioned anywhere within the spectrum range. In order to save the time consumption of carrier search for UE's, it is necessary to introduce additional …
LTE - Discovery Signal
Just as its name indicates, discovery signal is transmitted by a cell to be discovered and measured by UE's. According to the standard1, a discovery signal occasion for a cell consists of 1~5 …
LTE - D2D
Overview In LTE-Advanced systems, the link for D2D communication is termed sidelink 1. A sidelink carries two physical signals DMRS Synchronization signal and four physical channels Physical sidelink …
Linux - Microcode
Introduction Microcode is a technique that imposes an interpreter between the hardware and the architectural level of a computer. Processor vendors, e.g., Intel and AMD, release updates to the …
Linux - Customize Console
Nowdays, a modern console can display many colors other than black and white. For example, 256-color can be enabled by adding the following entry into ~/.bashrc. [[ $TERM=="xterm" ]] …
LaTeX - Pgfplots
Introduction Pgfplots is an excellent LaTeX package to plot high quality graphs. This post just summaries its basic usages. Installation Pgfplots is a built-in package in the texlive. As long as …
LaTeX - Gantt Chart
Introduction Today, I found an interesting $\LaTeX$ package, pgfgantt. This package provides a ganttchart environment and, as its name indicates, can produce Gantt charts. Usage The framework of …