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Wi-Fi 7 Test Solution for next Generation Wireless Devices

RS CMP18019 January 2023 - Rohde & Schwarz and Broadcom Inc. announced the availability of an automated test solution for Broadcom Wi-Fi 7 chipsets, the industry’s first Wi-Fi 7 chipsets optimized for mobile handsets that also support simultaneous dual-band 2x2 IEEE 802.11be-compliant operation. Rohde & Schwarz collaborated with Broadcom to successfully verify the R&S CMP180 next generation wireless device test platform for R&D and production.

The IEEE 802.11be amendment covers Wi-Fi 7 operation in the 2.4 GHz, 5 GHz and 6 GHz bands. The amendment will govern the extremely high WLAN throughput needed for advanced applications on mobile handsets. The advanced 4096 QAM modulation scheme, wide WLAN channels of 320 MHz available in the 6 GHz band, as well as the multi-link operation (MLO) are key elements to realize such high throughput in a mobile handset.

IEEE 802.11be poses a number of challenges to test and measurement equipment. The 4096 QAM modulation requires signal generation capabilities that transmit reference signals with very low distortion over a bandwidth of up to 320 MHz in addition to the required analysis bandwidth. Applied MIMO and MLO schemes also demand high performance and scalable test solutions. The R&S CMP 180 from Rohde & Schwarz meets these challenges. The test platform is qualified to characterize Broadcom Wi-Fi 7 chipsets at the RF level to test error vector magnitude (EVM), timing measurements and spectrum emission compliance. Rohde & Schwarz WMT software service has a Python-based modular test automation framework that also supports the latest Broadcom Wi-Fi 7 chipsets.

The R&S CMP180 radio communication tester is a future-proof, non-signaling testing solution for wireless devices in research and development, validation and production. Together with advanced frequency, bandwidth and RF capabilities, it enables testing of new wireless technologies such as Wi-Fi 6E, Wi-Fi 7 and many more. Twice as many analyzers (2xVSA), generators (2xVSG) and RF ports (2x8) enable simultaneous measurements of technologies and devices in a VSA/VSG single-box tester.

www.rohde-schwarz.com/



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