Fronthaul transport network node (FTN) testing with the T-BERD/MTS-5800-100G can effectively validate synchronization requirements by performing throughput, delay and packet jitter measurements. This advanced functionality has landed synchronization testing requirements for 5G MIMO arrays into the most stringent (A+) category of tests. Massive MIMO array density and elimination of connector ports has prohibited traditional cabled testing and ushered in new standards for over-the-air (OTA) testing. Massive MIMO can overcome some of the drawbacks associated with millimeter wave by transmitting data streams in parallel and enabling the device to reconstitute them into a single message.
At high frequencies, radio wavelengths are so small that a large array of antennas can be integrated into a much smaller form factor to allow massive MIMO operation. A system that incorporates a much larger number of radio antennas into arrays on cellular towers is referred to as massive MIMO. Multiple input, multiple output, or MIMO refers to antenna technology that can be used to increase the data rate (spatial multiplexing) instead of improving robustness. At the same time, coexistence with 4G in non-standalone mode creates interference and handoff issues that must also be emulated, tested and verified, and monitored through innovative 5G test practices. Flexible 5G RAN architecture produces an exponentially larger set of test cases and diverse fiber network configurations. An elevated degree of sophistication is required to verify beam tracking and acquisition at higher frequencies with more complex channel aggregation. Additional capabilities, such as massive machine type communications ( MMTC) and ultra-reliable low latency communications ( URLLC) will be rolled out later.ĥG NR is driving a new paradigm in 5G test methodology. The first application to be addressed and standardized will be mobile broadband. Much of this wide spectrum will consist of space vacated by decommissioned 2G, 3G, and PCS frequency bands for the sub 6GHz band. The New Radio spectrum will include frequencies from less than 6 GHz up to 100 GHz. The 3 rd Generation Partnership Project ( 3GPP) released the preliminary NR standard in December 2017. This convergence of dynamic system elements makes automated, real-time intelligence platforms another important pillar of 5G network performance testing and optimization necessary to put your 5G solution in place.ĥG NR refers to the new OFDM-based wireless standard that will supersede LTE as the de facto standard for 5G operation.
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This has necessitated advanced emulation and verification technology in the 5G test lab that is scalable to full 5G deployment in the field.ĥG fiber networks are being challenged to meet fronthaul and backhaul demands with the bar set higher for speed, bandwidth, reliability and synchronization while network function virtualization (NFV) and edge computing introduce additional visibility obstacles. Test solutions have quickly adapted to complex use cases and wholesale architectural advancements encompassing core, transport, RAN and fiber network elements simultaneously. Why 5G Testing Is ImportantĥG testing has become a critical enabler of 5G potential. Read on to discover how the importance and challenges of 5G testing continue throughout all deployment phases. For developers, operators and their partners, this commitment to 5G performance and service has translated to successful deployments and sustainable 5G network assurance.
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VIAVI is a company at the helm of 5G protocol testing and has created a comprehensive and fully-integrated 5G network testing selection of cloud-enabled test devices and equipment, software automation services and network test solutions. The new architectural elements that define 5G bring complexity and technical challenges to the test arena commensurate with the 5G New Radio level of innovation. The unparalleled test process automation experience and expertise ranging from the lab to the field from VIAVI is unlocking improved visibility, faster time-to-market and optimized 5G revenue streams.Īll big changes require commitment, and 5G performance is no exception.
Simplified, end-to-end 5G test solutions are playing a vital role in the development, deployment, and operational excellence of emerging 5G networks.
5G testing means more than verifying the lightning-fast download speeds, super low latency and expansive coverage density.