A customer in Europe was experiencing single-tone interference that was continuously affecting a specific LTE physical resource block (PRB). The interfering signal could be easily observed at the radio unit (RU) on the tower, but was very ...
There were several reports from a Taiwan operator of high RTWP problems (high noise level in the uplink band) from several areas in city of Taipei. The Viavi team worked with the operator to resolve the problem by locating the interference source ...
This document explores the different methods available to detect and analyze interference in an LTE-TDD channel using Viavi Solutions® CellAdvisor. CellAdvisor has different modes of operation, such as spectrum, time-domain, gated sweep ...
Continuous monitoring of the RF interface between VIAVI TM500 Test UE(s) and the 4G/5G RAN provides immediate insight into unexpected RF behavior that may impact UE performance. VIAVI Lab to Field saves hours of root cause analysis by immediately ...
The uplink (UL) Received Signal Strength Indicator, or RSSI, indicates the total wideband received power within the entire channel bandwidth. UL RSSI that is too high will contribute to poor network quality. Interference caused by the high noise ...
Reduce the size of your test bench at the same time as you reduce the cost of your test bench, while also facilitating seamless automation. Using Aeroflex's PXI line of test equipment in combination with other test equipment, such as Aeroflex's popul
Aeroflex understands the needs of today's engineers and the test requirements for tracking down interference in RF systems. With Aeroflex's new innovative test platform, the Aeroflex 3900 Series, affordable and automated site monitoring is now ...
P25 Phase 2 is a land mobile radio standard developed by the Telecommunications Industry Association (TIA) TR8 subcommittee to meet requirements to develop a mission critical land mobile radio standard that uses the RF spectrum more efficiently...
The objective of this application note is to clarify how P25 C4FM modulation works, and to explain the critical components of the modulation and how the Aeroflex 3920 provides the best means to accurately analyze P25 signals ...
The phase noise specification of an RF signal generator is important for several measurements in the receiver. We will focus on receiver selectivity, adjacent channel measurements, and on-channel measurement such as In-Phase (AM) or Quadrature ...
