Mobile Wireless Learning Center

Industry Leading Mobile Network Test Technical Documents


Filter

Application Notes:

Interference hunting in TDD networks

In time division duplex (TDD) networks, the downlink (DL) and uplink (UL) use the same frequency band in different timeslots. When viewing such TDD signals on a conventional spectrum display, it is impossible to differentiate the two as well as any other unwanted signals present in the same spectrum. This makes interference hunting extremely difficult.… Read more »
Posters:

Testing Passive Networks in a Distributed Antenna System

With more than 80 % of cellular traffic coming from inside a building, distributed antenna systems (DAS) have become increasingly more popular. However, without a sound testing methodology, these systems can be complex to test. Request your free poster and download the pdf to learn more about DAS and how to test these systems. Posters… Read more »
Whitepapers:

Comparing CW and low duty cycle passive intermodulation (PIM) measurements

The measurement technique used by a PIM analyzer is CW or low duty cycle. The only traceable device available to independently validate a PIM analyzer’s measurement accuracy in the field is a PIM standard. For this technical discussion, the measurement techniques are explored and explained along with the fact that CW and LDC offer similar… Read more »
Whitepapers:

Testing passive networks in distributed antenna systems (DAS)

In the last decade, worldwide consumer demand for cellular services has driven network operators to strive for better network coverage and within that coverage footprint, better network capacity. Since more than 80 % of cellular traffic comes from inside a building, in-building coverage, and in-building capacity have become a focus of this effort. In addition,… Read more »
Whitepapers:

LTE mobile network optimization – a definitive guide

This white paper explains the specific field level and key performance indicators that impact the performance and optimization of an LTE network. In order to have good end-to-end performance, each and every performance indicator needs to be optimized. While a single KPI can affect the user experience in a specific context, true performance management is… Read more »
Whitepapers:

Antenna Basics

This white paper describes the basic functionality of antennas. Starting with Hertz’s Antenna model followed by a short introduction to the fundamentals of wave propagation, the important general characteristics of an antenna and its associated parameters are explained. A more detailed explanation of the functionality of some selected antenna types concludes this white paper.
Whitepapers:

Evolving Challenges in LTE / Cable Interference Issues

Over the last year, awareness of LTE/cable-related interference issues has grown substantially in both the cable and the wireless/cellular industry. This white paper discusses the results of continued field trials and studies in the area of LTE/cable interference and presents information regarding ongoing LTE developments that may have an impact on cable systems such as… Read more »
Whitepapers:

Recognizing and Resolving LTE/CATV Interference Issues

This white paper offers an understanding of LTE technology and the means by which LTE-related interference can be identified, localized, and resolved – critical efforts for the efficient operation of both cellular and cable networks.
Whitepapers:

Introduction to Interference Hunting

In this white paper, we will explore the topic of interference hunting beginning with a broad overview of the topic and then leading to a more practical discussion on the different types of interferers, analysis of interferers and the tools that are often used in the field to perform interference hunting.