NR - Phase Tracking Reference Signal (PTRS)
Introduction Targetting for the great goal of the 5th generation (5G) system, the new radio (NR) system, proposed by the 3rd generation partner project (3GPP), has employed a variety of cutting-edge …
Posts
LTE - PCFICH
As its name implies, physical control format indicator channel (PCFICH) indicates the size of the control region, or equivalently the position where data region starts, of the instant subframe in …
Git
Introduction Git is a famous and powerful open-source software for version control and management. It was developed by Linus Torvalds with C programing language. What is different from subversion, …
Whitening Filter
Usually, we need to filter a mixture of desired signal and colored noise, in order to make the spectrum of the noise become white. Without loss of generality, $x(t)$ is a wide-sense stationary …
Uniform Distribution in a Ring Area
This post aims to provide an efficient method of generating uniformly distributed coordinates in a given ring area. Without loss of generality, the ring area is illustrated in Figure fig:ring. The …
SLNR-based Beamforming
Introduction In coordinatd scheduling and beamforming (CS/CB), one of coordinatd multipoint (CoMP) transmission schemes, signal leakage noise power ratio (SLNR)-based beamforming is widely used. Just …
NR - Multi-TRP Transmission
Introduction Recently, multi-TRP transmission is one of the most remarkable features of NR and consequently the focus of discussion in the standardization of 3GPP, since it is able to efficiently …
Linux - WiFi6
Today, I found the wireless network card (Intel Corporation Wi-Fi 6 AX201) is suffering random disconnection. Maybe there is something wrong with the driver in Linux. After several rounds of …
Linux - Sway
Introduction Sway is a tiling compositor based on Wayland. It can be identified as a counterpart of i3 in Wayland, and as resource saving and lightweight as i3. Even, sway has a completely compatible …
Remap CapsLock as Ctrl
Background Usually, key CapsLock is seldom used in our daily utilization, while key Ctrl is frequently used, esp. for Emacs users. Therefore, we can turn CapsLock into an additional Ctrl. Linux Sway …