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Modem AT Commands Explained

Learn about standard AT commands used for configuring and controlling GSM, CDMA, and LTE modems. Includes common commands and their descriptions.

modem
at command
gsm
MTSO Functions & Roles in Cellular Communication

MTSO Functions & Roles in Cellular Communication

Explore the Mobile Telephone Switching Office (MTSO), its key functions in managing cellular networks, call routing, handovers, and communication between mobile devices and PSTN.

cellular communication
mobile network
mtso
Okumura Hata Model and COST-231 Extension

Okumura Hata Model and COST-231 Extension

Explanation of the Okumura Hata model, including the formula, COST-231 extension, and standard path loss calculations for wireless communication.

okumura hata
path loss
propagation model
Open Loop vs. Closed Loop Power Control

Open Loop vs. Closed Loop Power Control

Explore the differences between open loop and closed loop power control in cellular communication systems, highlighting their mechanisms and applications.

cellular system
power control
open loop
OTDOA vs U-TDOA: Differences Explained

OTDOA vs U-TDOA: Differences Explained

Explore the differences between OTDOA and U-TDOA, two positioning technologies. Learn how they work, their reliance on downlink or uplink signals, and their applications.

otdoa
u-tdoa
positioning

Overview of Mobile Radio Systems in North America

A summary of mobile radio systems used in North America, including AMPS, NAMPS, USDC, and others. Details on access methods, frequencies, and modulation.

mobile communication
radio system
frequency band

PMR vs Cellular: Key Differences Explained

Understand the fundamental differences between PMR (Private Mobile Radio) and cellular technologies, including infrastructure, coverage, and applications.

pmr
cellular
radio
RF Drive Test in Telecom: Measurements and Tools

RF Drive Test in Telecom: Measurements and Tools

Explore RF drive testing in telecom, its importance in network optimization, common measurements, setup, data analysis, and essential tools for evaluating wireless network performance.

rf drive test
network performance
telecom
RRH vs. Traditional Base Stations: A Comparison

RRH vs. Traditional Base Stations: A Comparison

Explore the key differences between RRH-based and traditional base station architectures in cellular communication, highlighting advantages and applications.

remote radio head
base station
cellular network
Satellite vs. Mobile Communication: A Detailed Comparison

Satellite vs. Mobile Communication: A Detailed Comparison

Explore the key differences between satellite and mobile communication systems. Understand their infrastructure, coverage, latency, bandwidth, and applications using real-world examples like C-band and GSM.

satellite communication
mobile communication
cellular network

SIM Form Factors: 1FF vs 2FF vs 3FF vs 4FF

Explains the differences between SIM card form factors: 1FF, 2FF, 3FF, and 4FF, including their dimensions, use cases, and evolution.

sim
form factor
mobile communication
SLIMbus Interface: Protocol Basics and Advantages

SLIMbus Interface: Protocol Basics and Advantages

Explore the SLIMbus interface protocol, designed for audio transport between cellular modems and application processors, highlighting its key features and benefits.

wireless communication
audio interface
mobile device