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R&S's signal and spectrum analyzer ready for IEEE 802.11ac

27 Jun 2012

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With the IEEE 802.11ac WLAN standard set to provide a data throughput of 1Gbit/s and higher, Rohde & Schwarz (R&S) has developed the FSW-K91ac option, enabling its signal and spectrum analyzer to record and demodulate the full bandwidth of a WLAN signal in line with the new standard.

The error vector magnitude (EVM) is an important measure of the modulation quality. The IEEE 802.11ac standard requires an EVM of –32 dB for 256QAM modulation. The R&S FSW possesses a very low EVM of less than -45 dB, exceeding the requirement of this parameter.

With the R&S FSW, developers of components and modules for IEEE 802.11ac will have access to measurement speeds of less than 100 ms per measurement. The device allows quick and accurate spectrum measurements and modulation analysis. It also features a 12.1" touchscreen with MultiView, providing users with a simultaneous view multiple measurements and applications. The analyzer's intuitive operation and simple configuration allow easy IEEE 802.11ac signal measurement.

Extended functionality of vector and baseband signal generators to include the IEEE 802.11ac standard has also been included. Equipped with the R&S SMx-K86 option, these instruments can generate signals in the defined 20MHz, 40MHz and 80MHz bandwidths. The R&S WinIQSIM2 simulation software, together with the R&S SMx-K286 option, can also be used to generate signals. The combination of the R&S AFQ100B baseband generator and the R&S SGS RF signal source provides a solution for signals with contiguous and non-contiguous 80MHz + 80MHz or 160MHz bandwidths.

Manufacturers and developers can use these generators to test individual chipsets, receivers and wireless devices. The signal generators simultaneously cover WLAN and all other standards such as GSM/EDGE, 3GPP WCDMA, HSPA, LTE, WiMAXTM and Bluetooth.

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