MULTICAST BROADCAST SERVICE SIMULTANEOUS TRANSMISSION USING DOWNLINK NON-ORTHOGONAL MULTIPLE ACCESS (NOMA)
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United States of America
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Mar 31, 2022
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Mar 31, 2022
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Apparatus and methods are provided for multiple non-orthogonal multiple access (NOMA) layer each independently encoded with different configuration parameters, including MCS and NOMA spreading sequences. In one embodiment, the UE obtains NOMA configuration parameters for the DL data packets, decodes and reconnects multiple PDUs from the NOMA configuration parameters, and delivers decoded PDUs to upper layers of the UE. In one embodiment, the UE obtains the NOMA configuration parameters from a modified downlink control information (DCI). In another novel aspect, the base station partitions MBS data packets into multiple NOMA layers, encodes data packets for each NOMA layer with corresponding NOMA encoder, wherein each NOMA encoder is configured with independent NOMA configuration parameters, performs performing symbol alignment for encoded data packets from the multiple NOMA encoders, superimposes aligned data packets for the multiple MBS sessions into one RF channel to be transmitted to the UEs.
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