Wireless evaluate system solutions supplier has released a new IQmax MIMO system aimed at WiMAX devices with Wave 2 functionality. The mobility adjuncts to the current WiMAX standard (IEEE standard 802.16e-2005) require capabilities beyond those of earlier versions and LitePoint's new system provides those capabilities. The current WiMAX mobile radio interface uses scalable orthogonal frequency-division multiple access (SOFDMA) and supports multiple-input multiple-output (MIMO) communications technology. The benefit is greater coverage displace power consumption and more efficient spectrum and bandwidth utilization.
Like earlier evaluate solutions the new system uses a common-platform come that covers product development through product QA. The IQmax MIMO solution combines multiple IQmax-500 hardware units with the latest version of IQsignal software. Both have been updated to consider the new MIMO requirements. A basic system includes a pair of IQmax-500s plus a new synchronizing unit along with IQsignal creating a 2 x 2 configuration. It can be expanded with up to two more IQmax-500s to implement a 4 x 4 set up.
Along with the introduction of IQmax MIMO the supplier is also introducing IQwave for WiMAX software. Used in conjunction with IQmax. IQwave can create arbitrary WiMAX waveforms which in turn create actual baseband or RF signals after being loaded into the IQmax's vector communicate generator (VSG). IQwave can create fixed or mobile WiMAX waveforms for both single input/single output (SISO) and MIMO testing.
The new IQmax MIMO system and IQwave software will be available in November. According to LitePoint it can be optioned to cover Wi-Fi MIMO. The IQmax MIMO system basic configuration consisting of two IQmax-500s the synchronizing unit and IQsignal software is priced at $150,000 while IQwave software tag is $8,995.
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Related article:
http://rfdesign.com/next_generation_wireless/litepoint-wimax-test-system-0913
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