BROWSING: network testing

Viavi Solutions this week highlighted progress in its 6G Forward research program and the evolution of its support for Northeastern University's Institute for Wireless Internet of Things and the Open6G cooperative research center. One of the goals of the research at Northeastern has been...

Spirent's CEO blames tough market conditions on impact to company's finances Viavi Solutions has made a bid to acquire Spirent Communications for $1.3 billion, and pending approval by shareholders, the test-industry-changing transaction is expected to close in the second half of this year. The all-cash...

Carriers and network equipment manufacturers have stepped up tests and trials of 5G New Radio Reduced Capability (RedCap) in recent months. Geographically, these tests are taking place around the world, reflecting the global interest in 5G RedCap and the hope that the technology will...

OTICs are vendor-independent, open, and qualified labs approved by the O-RAN Alliance The O-RAN Alliance ecently accredited two new Open Testing and Integration Centers (OTIC) which adds to the existing O-RAN ecosystem. The O-RAN Alliance said in a release that the new OTICs are MITRE in...

SRG's testing said that erratic voice, downlink speeds have improved What difference has a year made in Dish Wireless' network performance in its inaugural market? Better voice quality and faster downlink speeds, according to recent testing and analysis from Signals Research Group. SRG first tested...

T-Mobile US tops for 5G speed in US market 5G speeds and availability continue to increase around the world, with regional leaps forward due to network launches in places like India. Testing and analysis company Ookla recently released new reports on 5G markets around the...

'It's time to deliver on the promise of 5G," writes T-Mo's John Saw It's August 2023, roughly four years after mobile 5G began to appear in the United States and still in the early days of 5G Standalone network availability. One of the key features...

Rogers' wireless network showed overall strong performance in video as well as consistency of user experience, according to new analysis from Opensignal, while Canadian competitor Telus and Bell had top rankings in download speeds. Those conclusions pertained to the carriers' non-5G networks. In terms of...

Keysight's communications solutions segment sees drop in commercial communications revenues, more than offset by aerospace/defense growth Keysight Technologies continued a run of recent record quarters, reporting that it brought in revenues of $1.38 billion—a figure that was roughly flat compared to the same period last...

Private networks present a number of challenges for testing and assurance. By their nature, private networks are delivering some type of service aspect that cannot be achieved via the public network, whether that be more secure access, targeted coverage, or more sophisticated features such...

PIM is an escalating issue in 5G midband networks deployed in TDD spectrum Passive intermodulation is interference that is generated when two or more simultaneous signals interact in a nonlinear environment, where passive components (as opposed to transmitting ones) can cause new, unwanted signal noise...

Test and measurement companies have a unique perspective on the deployment and development of the latest network technologies and features. Andreas Roessler, technology manager with Rohde & Schwarz, provides some insights on terrestrial and non-terrestrial networks — what is happening now, and what is...

5G's advanced capabilities require a higher level of network performance expectations, from latency to the radio frequency environment. One aspect of where requirements are tightening up is in timing and synchronization. In part, this is because the "goldilocks" midband spectrum that is prized for...

'The ultimate test, is does the user get a good experience?' 5G, Open RAN, millimeter-wave and midband spectrum—networks are evolving faster than ever. Operators must ensure that these rapidly-changing networks are working as expected and providing human users and connected devices with the level of...

Cloud, Open RAN and increased complexity means visibility is more important than ever Telecom networks are facing a slew of simultaneous changes that are increasing complexity, from the deployment of 5G and the addition of new, higher frequency spectrum bands to the cloudification of the...

Impacts to the radio frequency environment isn't the first aspect that comes to mind amid the ongoing shift toward cloud-native, disaggregated networks. But that's not to say there aren't any, and according to Regis Lerbour, VP of product for network testing and RAN at...

Innovations in software and software disaggregation are driving telecom change on two levels, according to Per Kangru, technologist and business development expert in the CTO’s office at Viavi Solutions. Carriers can either do new things to drive automation or efficiencies within their own network;...

An accidental emergency alert sent to Florida residents' cell phones at 4:45 a.m. on Thursday prompted a public outcry, a contract cancellation by the state and an inquiry from the Federal Communications Commission. According to a tweet by the Florida Division of Emergency Management,...

Viavi Solutions reported preliminary results today that fell short of its guidance on revenue, and cited a drop-off in research and development spending by network equipment manufacturers and semiconductor companies as the driver. Viavi said that its revenues for its fiscal third quarter are...

When you can continuously test network software, how does RF testing also need to change? CI/CD is a tool of the IT world, of hyperscalers. Mobile network operators have worked for years to remake themselves in that image, to become software-centric in order to achieve...

An interview with Jim Neuens, Viavi Solutions' VP and GM of wireless field instruments, about the realities of 5G deployments, including spectrum issues, ongoing evolution at the cell site and workforce challenges that have to be addressed in order for mobile network operators to...

What is the changing paradigm for communications service providers in terms of software integration and deployment, particularly the concept of CI/CD? It comes down to three aspects.  More network software, deployed from core to edge and RAN. Kalyan Sundhar, vice president and general manager for...

Amid the pandemic-driven shift toward hybrid work, end-user experience is the top key performance indicator (KPI) for various IT projects, from delivery strategies and cloud monitoring objectives to budget considerations, according to Viavi Solutions' annual State of the Network report. Seven out of 10...

With latency becoming an increasingly important part of enabling new services and monetizing 5G, just what does testing to assure low latency look like? Rich McNally, senior director of mobile service strategy with Spirent Communications, discussed real-world observations and lessons on latency testing at...