Transmitting data in head and/or tail of single carrier waveform symbol

An apparatus comprising at least one processor, and at least one memory including computer program code, wherein the at least one memory and the computer program code are configured, with the at least one processor, to cause the apparatus to:

• transmit, using frequency domain spectrum shaping with spectrum extension, at least one single-carrier waveform symbol without a cyclic prefix to a network element of a radio access network, the at least one single-carrier waveform symbol comprising a head sequence and a tail sequence comprising data including physical uplink shared channel data and control information that includes uplink control information, and wherein:
• the head sequence and the tail sequence are multiplexed prior to discrete Fourier transform,
• the at least one single-carrier waveform symbol comprises a plurality of different modulation orders,
• the at least one single-carrier waveform symbol uses at least two different modulation and coding schemes,
• the at least two different modulation and coding schemes are associated with different transport blocks,
• the head sequence and the tail sequence uses a lower-order modulation,
• a central part of the at least one single-carrier waveform symbol uses a higher-order modulation,
• the at least one single-carrier waveform symbol uses at least two different modulation and coding schemes, and
• the at least two different modulation and coding schemes are associated with a same transport block;
• and
• transmit, to the network element of the radio access network, an indication indicating the following:
• a modulation and coding scheme used for the data and the control information, and an at least part of the head sequence and the tail sequence comprising the data and the control information.

A system comprising:

• an apparatus;
• at least one processor;
• and
• at least one memory including computer program code, wherein the at least one memory and the computer program code are configured, with the at least one processor, to cause the apparatus to:
• transmit, using frequency domain spectrum shaping with spectrum extension, at least one single-carrier waveform symbol without a cyclic prefix to a network element of a radio access network, the at least one single-carrier waveform symbol comprising a head sequence and a tail sequence comprising data including physical uplink shared channel data and control information that includes uplink control information, and wherein:
• the head sequence and the tail sequence are multiplexed prior to discrete Fourier transform,
• the at least one single-carrier waveform symbol comprises a plurality of different modulation orders,
• the at least one single-carrier waveform symbol uses at least two different modulation and coding schemes,
• the at least two different modulation and coding schemes are associated with different transport blocks,
• the head sequence and the tail sequence uses a lower-order modulation,
• a central part of the at least one single-carrier waveform symbol uses a higher-order modulation,
• the at least one single-carrier waveform symbol uses at least two different modulation and coding schemes, and
• the at least two different modulation and coding schemes are associated with a same transport block;
• and
• transmit, to the network element of the radio access network, an indication indicating the following:
• a modulation and coding scheme used for the data and the control information, and an at least part of the head sequence and the tail sequence comprising the data and the control information.

A method comprising:

• transmitting, from a user equipment, using frequency domain spectrum shaping with spectrum extension, at least one single-carrier waveform symbol without a cyclic prefix to a network element of a radio access network, the at least one single-carrier waveform symbol comprising a head sequence and a tail sequence comprising data including physical uplink shared channel data and control information that includes uplink control information, and wherein:
• the head sequence and the tail sequence are multiplexed prior to discrete Fourier transform,
• the at least one single-carrier waveform symbol comprises a plurality of different modulation orders,
• the at least one single-carrier waveform symbol uses at least two different modulation and coding schemes,
• the at least two different modulation and coding schemes are associated with different transport blocks,
• the head sequence and the tail sequence uses a lower-order modulation,
• a central part of the at least one single-carrier waveform symbol uses a higher-order modulation,
• the at least one single-carrier waveform symbol uses at least two different modulation and coding schemes, and
• the at least two different modulation and coding schemes are associated with a same transport block;
• and
• transmitting, from the user equipment to the network element of the radio access network, an indication indicating the following:
• a modulation and coding scheme used for the data and the control information, and an at least part of the head sequence and the tail sequence comprising the data and the control information.