Skip to content

Glossary

Will Greenberg edited this page Jan 3, 2024 · 25 revisions

ANR

Automatic Neighbor Relation (ANR) is a procedure for a cell to detect neighboring cells. A cell performs ANR by instructing UEs to detect and measure the cells around them and report back their results.

Further reading: https://www.sharetechnote.com/html/Handbook_LTE_ANR.html

IMSI

International Mobile Subscriber Identity, connected w/ a user's SIM card

IMEI

International Mobile Equipment Identity, correlated w/ a mobile device

TMSI

Temporary Mobile Subscriber Identity, a more temporary type of IMSI generated by UEs

CGI

Cell Global Identity

SIB

System Information Blocks (SIB) are data sent by cells containing tons of different of information relevant to the UE. There's 13 types of SIBs in LTE, each with different purposes and payloads.

Further reading:

SINR

Signal to Interference plus Noise Ratio = (S / (N + I))

RSRP

Reference Signal Received Power (RSRP)

RSSI

Received Signal Strength Indicator (RSSI)

RSRQ

Reference Signal Received Quality

UE

User Equipment (UE) refers to a mobile device, such as a smartphone, tablet, laptop, or other wireless device that's used to access the network (https://inseego.com/resources/5g-glossary/what-is-ue/)

Clone this wiki locally