Base station simultaneously servicing legacy cellular and massive multiple-input, multiple-output
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United States of America Patent
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Nov 15, 2016
Grant Date -
Jun 11, 2015
app pub date -
Dec 27, 2013
filing date -
Apr 18, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
As wireless networks evolve, network providers may utilize legacy LTE devices as well as devices that support massive multi-input, multiple output (M-MIMO). Systems and methods for simultaneously servicing legacy LTE devices and M-MIMO devices are provided. In embodiments, a transmission zone for M-MIMO communications is defined within a legacy, non M-MIMO radio frame. The location of the M-MIMO transmission zone is transmitted to user devices. For example, an identification of the location of the M-MIMO transmission zone is transmitted in a system information message. In a further example, the location of the M-MIMO transmission zone is transmitted in the downlink control information. The location of the M-MIMO transmission zone may be defined dynamically based on a variety of criteria. In addition or alternatively, a set of pre-defined transmission zones may be utilized.
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