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Y9071B Datasheet(PDF) 19 Page - Keysight Technologies |
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Y9071B Datasheet(HTML) 19 Page - Keysight Technologies |
19 / 29 page 19 | Keysight | Measurement Applications for the E6640A EXM Wireless Test Set - Solution Brochure Table 9. Receiver measurements supported by EXM IEEE802.11a IEEE802.11b IEEE802.11g IEEE 802.11p IEEE802.11n IEEE802.11ac Receiver test items 18.3.10.2 17.4.8.2 19.5.2 18.3.10.2 20.3.21.1 22.3.19.1 Receiver minimum input level sensitivity 18.3.10.3 17.4.8.4 19.5.3 18.3.10.3 20.3.21.2 22.3.19.2 Receiver adjacent channel rejection1 18.3.10.4 18.3.10.4 20.3.21.3 22.3.19.3 Nonadjacent channel rejection1 18.3.10.5 17.4.8.3 19.5.4 18.3.10.5 20.3.22.4 22.3.19.4 Receiver maximum input level 802.11ac 80+80 MHz test solution The 802.11ac standard specifies two ways to achieve the highest data rate: a single 160-MHz contiguous channel (in many geographies, only two or three such channels are available), or two non-contiguous 80-MHz channels (i.e. a 160-MHz non-contiguous channel). In the latter mode of operation, a special spectral mask is defined. Also note that the two 80-MHz channels used may have a number of different channel spacing between them. In addition, EXM can support measurements on 2x2 MIMO, non-contiguous 80+80 MHz signals. This feature of 802.11ac WAVE 2 increases data rate with spatial multiplexing and spectrum efficient usage. Figure 11 shows the constellation and EVM numerical results for two streams on two different frequency segments. EXM can also help you verify devices for SISO implementations of 80+80 MHz. Contact Keysight for more information on how to configure these measurements. Figure 11. Constellation and EVM numerical results for frequency segment 1, stream1, frequency segment 1, stream2, frequency segment 2, stream1, and frequency segment 2, stream2 WLAN MIMO test solutions EXM provides comprehensive MIMO measurement solutions for WLAN MIMO devices across the lifecycle from research, development, and verification to manufacturing. Test solutions include: – Switched MIMO measurements for cost effective manufacturing testing of WLAN MIMO devices – True MIMO measurements with multiple TRX channels for design and validation of WLAN MIMO devices – Detailed MIMO measurement results per stream and per channel: Modulation analysis, IQ offset, frequency error, cross talk, and more – Support Implicit transmitter beamforming calibration test Figure 12. EXM provides comprehensive MIMO solutions across lifecycle Manufacturing R&D DVT True MIMO Switched MIMO Implicit Tx beamforming calibration Receiver test Keysight N7617B Signal Studio helps you simplify WLAN signal creation for receiver measurement and the EXM TRX provides support for the transmission of WLAN RF signals from the vector signal generator to the DUT. The number of received packets can be read with the chipset vendor’s control software. |
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