Downlink existence ep12/16/2023 ![]() 5G, which may also be referred to as New Radio (NR), is a set of enhancements to the LTE mobile standard promulgated by the Third Generation Partnership Project (3GPP). The above multiple access technologies have been adopted in various telecommunication standards to provide a common protocol that enables different wireless communication devices to communicate on a municipal, national, regional, and even global level. ![]() LTE/LTE-Advanced is a set of enhancements to the Universal Mobile Telecommunications System (UMTS) mobile standard promulgated by the Third Generation Partnership Project (3GPP). Examples of such multiple-access technologies include code division multiple access (CDMA) systems, time division multiple access (TDMA) systems, frequency-division multiple access (FDMA) systems, orthogonal frequency-division multiple access (OFDMA) systems, single-carrier frequency-division multiple access (SC-FDMA) systems, time division synchronous code division multiple access (TD-SCDMA) systems, and Long Term Evolution (LTE). Typical wireless communication systems may employ multiple-access technologies capable of supporting communication with multiple users by sharing available system resources (e.g., bandwidth, transmit power, and/or the like). Wireless communication systems are widely deployed to provide various telecommunication services such as telephony, video, data, messaging, and broadcasts. A corresponding base station generates a first transmission layer of a multi-layer communication using a first waveform of a plurality of waveforms, generates a second transmission layer of the multi-layer communication using a second waveform of the plurality of waveforms, wherein the first waveform and the second waveform are different, and transmits the first transmission layer and the second transmission layer using a same time resource and a same frequency resource, wherein the first transmission layer is transmitted using the first waveform and the second transmission layer is transmitted using the second waveform. An exemplary method executed by a first UE includes receiving a first indication of a first waveform, of a plurality of waveforms, to be used for one or more downlink communications associated with the first UE, receiving a second indication of a second waveform, of the plurality of waveforms, associated with downlink communications of a second UE, receiving the one or more downlink communications using the first waveform and processing the one or more downlink communications based at least in part on the second indication of the second waveform. Techniques described herein use waveform signaling for conserving user equipment, UE, resources.
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