Joint precoding and multivariate backhaul compression for the downlink of cloud radio access networks
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United States of America Patent
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Dec 5, 2017
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app pub date -
Apr 9, 2014
filing date -
Apr 9, 2013
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Abstract
Signals transmitted on the backhaul links of a cloud radio access network may be compressed using joint compression encoding. Joint compression encoding may be performed using a successive estimation-compression architecture. Joint compression encoding may include designing preceding matrices that may be used with signal compression. Joint compression encoding may be applied to signals transmitted on the downlink of the cloud radio access network. One or more baseband signals to be delivered over the backhaul links may be jointly compressed using multivariate compression. Multivariate compression may be implemented using successive compression based on a sequence of minimum mean squared error (MMSE) estimations and per BS compression.
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