Optimized CQI feedback for code block group based transmissions for extended reality use cases

A method, comprising:

• receiving, by a user equipment of a communication network, an enhanced channel quality indicator configuration;
• based on an enhanced channel quality indicator configuration, performing measurements of channel state information reference resources with a plurality of code block groups comprising determining a highest data rate modulation and coding scheme index supported by the user equipment with an error probability that will not exceed a predetermined threshold for reception of at least one transport block from the communication network;
• and
• based on the performing, sending, by the user equipment toward the communication network, information expressed with a channel quality index comprising an indication of the determined highest data rate modulation and coding scheme index for use with link adaption for improving spectral efficiency of radio resource allocations of at least one transport block with more than one code block group for at least one physical downlink shared channel transmission from the communication network,
• wherein the information expressed with the channel quality index comprises an enhanced channel quality indicator report that identifies a new enhanced channel quality indicator report table enumerating the highest data rate modulation and coding scheme index supported by the user equipment and an effective code rate that the communication network is directed to use for the at least one physical downlink shared channel transmission.

An apparatus, comprising:

• at least one processor;
• and
• at least one memory, the at least one memory storing instructions, that when executed by the least one processor, to cause the apparatus to at least:
• send towards a user equipment, a first transmission comprising an enhanced channel quality indicator configuration, wherein the enhanced channel quality indicator configuration comprises indications of corresponding physical layer resources to use for channel state measurements for use to configure a maximum number of code block groups for communications with the user equipment;
• in response to the sending, receive from the user equipment information expressed with a channel quality index comprising an indication of a highest data rate modulation and coding scheme index supported by the user equipment with an error probability that will not exceed a predetermined threshold for reception from a communication network, wherein the information is directing the communication network to use link adaption,
• wherein the information expressed with the channel quality index comprises an enhanced channel quality indicator report that identifies a new enhanced channel quality indicator report table enumerating the highest data rate modulation and coding scheme index supported by the user equipment and an effective code rate that the communication network is directed to use for at least one physical downlink shared channel transmission;
• and
• based on the information, perform link adaptation for improving spectral efficiency of radio resource allocations of at least one transport block comprising more than one code block group for the at least one physical downlink shared channel transmission from the communication network.