Monday, June 20, 2011

MIMO

It's tough to write standards 10 years in the future, and expect the market to automatically follow the path that you envision. But in the case of MIMO, you would think that an engineer would have seen the path a bit more clearly.

3GPP projects a future roadmap of 2x2 MIMO leading to 4x4 and 8x8 MIMO. This is NOT going to happen because there is little benefit to moving into higher order modes, and there are better ways for operators to spend their money and effort.

Mobile Experts has published a new report on this topic, showing some alternatives to higher order MIMO (especially for the uplink) where higher complexity, handset cost, and battery drain are not necessary. Check it out here .

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