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Keysight CFO: Semiconductor supply chain issues ‘not getting better’

Keysight Technologies CFO Neil Dougherty told an investor conference this week that a hoped-for improvement in semiconductor supply chain issues in the second half of the year doesn't seem to be materializing—though at this point, he added, Keysight's combination of in-house specialty chip fab...

RootMetrics: Verizon’s 5G boosted by C-Band deployments, but T-Mo leads in speed

RootMetrics is only about halfway through the 125 U.S. cities that it tests every six months, but after 60 cities, it's releasing a look at what it's seeing so far in 5G test results. While the number of cities where each of the three...

What is Minimization of Drive Tests (MDT) in 5G?

The MDT solution taps user equipment (UE) to collect field measurements Introduced in 3GPP Rel-10, Minimization of Drive Test (MDT) is a standardized mechanism designed to enable operators to use user devices in a network to collect mobile network data, and thus, reduce the need...

What to know about RF interference in 5G networks

As network operators navigate a multi-pronged transformation that encompasses 5G, fiber proliferation, increasingly cloud-based and virtualized networks, one of the challenges that they face is that of radio frequency interference. RF interference is not a new issue in wireless networks, and in fact, some of...

Verizon 5G Ultra Wideband comes to Oracle Industry Lab

Verizon and Oracle hope to spur new 5G innovation at the Oracle Industry Lab, now equipped with Verizon's 5G mmWave service.

The ‘network assessment trifecta’: What’s next for Ookla?

There has been a long-running debate in network testing that basically asks, which is better: Highly controlled and repeatable drive- and walk-testing with special test set-ups to get deep RF and chip-level data, which shows what a network is capable of with the latest...

Ookla acquires RootMetrics

Ookla, known for its Speedtest product, is adding to its portfolio of network data with the acquisition of drive- and walk-testing specialist RootMetrics. Financial terms of the deal were not disclosed; RootMetrics has been part of IHS Markit. “Ookla plus RootMetrics fully enables the...

‘I’m a builder, not a seller’: EXFO’s Germain Lamonde opens up about all those offers from Viavi

EXFO's founder, majority shareholder and executive chairman calls Viavi's multiple offers for the company "noise on the line" Germain Lamonde says he has fielded many offers to buy EXFO, the network test and measurement company that he founded, over the decades that it has been...

Rootmetrics: Verizon stays strong, but AT&T, T-Mo make gains

Verizon's network performance continues to be strong, but both AT&T and T-Mobile US are seeing a streak of performance improvements, according to the most recent round of testing from Rootmetrics. In Rootmetrics' analysis, AT&T saw significant improvements at the national and state levels of...

Rootmetrics: ‘Strong and improving’ —but still inconsistent—5G networks in US cities

There are two pillars that support the 5G user experience: Availability and performance. According to a new report from Rootmetrics, T-Mobile US is leading in 5G availability across US cities, but AT&T's 5G provides the best performance and AT&T and Verizon both win high...

Looking for fast networks? NYC is the place to be, Rootmetrics says

The most-populous market in the U.S. -- New York City and its surrounds -- is also the fastest, according to a new ranking of metropolitan cellular networks by Rootmetrics. New York City’s aggregate median download speed of 46.3 Mbps was the fastest in the country,...

Fastest isn’t necessarily best: SRG puts three 5G networks to an apples-to-apples test

Speed, speed and more speed: So much of the consumer expectations, and industry testing and bragging, are focused on the new heights of speed that 5G can achieve. The question of which operator has the fastest 5G network is one which has recently been...

Challenges for network planning and testing at mmWave frequencies

In a mmWave world, turning a corner or spinning in your desk chair might very well mean your device losing the signal. While high frequencies have been used for point-to-point network backhaul links, cellular carriers have never before made common use of these frequencies...

Testing mmWave 5G networks: A Q&A with GWS

Dr. Paul Carter is CEO of network benchmarking and analysis company GWS. RCR Wireless News recently reached out to GWS to discuss testing millimeter-wave 5G networks. The following Q&A was conducted via email and has been lightly edited.  How is benchmark testing different in mmWave,...

US networks bear up well under usage shifts, umlaut finds

U.S. wireline networks held up well overall under the network usage shifts associated with the coronavirus pandemic, according to new data from benchmarking and analysis company umlaut provided exclusively to RCR Wireless News. The one exception seems to be related to ultra-high-definition streaming, which...

RootMetrics: Verizon is still the network to beat, but AT&T brings the best speeds

In RootMetrics' first round of benchmarking that used 5G-enabled devices to test both 4G and 5G networks, Verizon and AT&T ran neck-and-neck in most categories. But Verizon ultimately topped the rankings in most performance metrics, although AT&T outpaced Verizon in terms of speed. RootMetrics temporarily...

AT&T tops GWS’ testing for second year running

Carriers' network investments are paying off with higher customer satisfaction Global Wireless Solutions has crowned AT&T the "best network" in its third annual national testing, but all of the three national operators can find good news in GWS' latest network scoring, which couples nationwide drive-testing...

T-Mobile US takes issue with CPUC’s Sprint merger conditions

T-Mobile US has asked the California Public Utilities Board to modify some of its conditions on approval of T-Mo's acquisition of Sprint, zeroing in on the 5G deployment timeline, jobs within the state, and how the combined carriers' network will be tested. The CPUC issued...

Test and Measurement: Verizon’s network is fast and getting faster, RootMetrics says

Verizon's network has provided it a consistent advantage over its competitors over the years. The differences are narrowing, according to data from RootMetrics, but the carrier still shows "consistent and excellent performance across the board" and has been stepping up its network speeds in...

Keysight: Taking 5G beyond the smartphone

Keysight says it has supported the development of about 75% of 5G devices Pandemic notwithstanding, the march toward 5G is so far continuing at a rapid clip across the industry, with new networks launched since the beginning of the year, a surge of available devices...

How wireless operators have risen to the COVID-19 challenge (Reader Forum)

  Chief among the many shockwaves stemming from the COVID-19 outbreak in the U.S. is the country’s rapid transition to remote work. And with this disruption has come a dramatic transformation in the volume of wireless network traffic and in consumer connectivity habits and behavior:...

RootMetrics: COVID-19-driven network shifts ‘unprecedented, unexpected, unlikely to change soon’

The coronavirus pandemic is turning the world on its head in many ways, and its impacts on networks are no exception. In some ways, the strains that is being placed on carrier networks is exactly the opposite of what they were designed for, according...

RootMetrics metro rankings: Chicago network performance is tops among big cities

Among the 10 largest metropolitan areas in the U.S., Chicago stood out as one of the highest-ranked cities in the country for mobile network quality, according to numbers from RootMetrics. While overall network performance scores were generally pretty high in the largest U.S. cities, that...

OpenSignal: US ranks 5th globally in LTE availability, but 30th in download speeds

LTE continues to gain ubiquity around the world, even in developing markets -- but the rivalry between Verizon and T-Mobile US has helped drive the availability of LTE in the United States to put the country in fifth place globally in terms of LTE...

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