Method and apparatus for generating a channel state information report adapted to support a partial omission

A method in a user equipment for generating a channel state information feedback report, the method comprising:

• receiving a set of reference signals transmitted from a set of network entities;
• computing a plurality of entries that are included in the channel state information feedback report based on the received set of reference signals, wherein:
• the plurality of entries that are included in the channel state information feedback report include at least a set of coefficients;
• and
• each coefficient is associated with a set of indices including at least one spatial domain basis index, at least one frequency domain basis index, and at least one layer index;
• and
• arranging the plurality of entries that are included in the channel state information feedback report in an order known to both the user equipment and a network entity of the set of network entities, wherein:
• higher prioritized entries are positioned toward a beginning of the order of the arranged plurality of entries and lower prioritized entries are positioned toward an end of the order of the arranged plurality of entries;
• at least a portion of the channel state information feedback report includes one or more concatenated groups;
• the plurality of entries that are included in the channel state information feedback report are prioritized using indices corresponding to the set of indices of the plurality of entries;
• a subset of indices of the set of indices of the plurality of entries are permuted based on predefined permutations of spatial domain basis indices of the subset of indices;
• the predefined permutations map the at least one frequency domain basis index from 0, M-1, 1, M-2, 2, . . . , [(M-1)/2] to 0, 1, 2, . . . , M-1, respectively;
• M represents a total number of frequency domain basis indices;
• and
• an output of a ceiling operator [q] is a smallest integer value greater than or equal to a real value q.

A user equipment for generating a channel state information feedback report, the user equipment comprising:

• a transceiver that receives a set of reference signals transmitted from a set of network entities;
• and
• a controller that computes a plurality of entries that are included in the channel state information feedback report based on the received set of reference signals, wherein:
• the plurality of entries that are included in the channel state information feedback report include at least a set of coefficients;
• each coefficient is associated with a set of indices including at least one spatial domain basis index, at least one frequency domain basis index, and at least one layer index;
• the plurality of entries that are included in the channel state information feedback report are arranged by the controller in an order known to both the user equipment and a network entity, of the set of network entities;
• higher prioritized entries are positioned toward a beginning of the order of the arranged plurality of entries and lower prioritized entries are positioned toward an end of the order of the arranged plurality of entries;
• at least a portion of the channel state information feedback report includes one or more concatenated groups;
• the plurality of entries that are included in the channel state information feedback report are prioritized using indices corresponding to the set of indices of the plurality of entries;
• a subset of indices of the set of indices of the plurality of entries are permuted based on predefined permutations of spatial domain basis indices of the subset of indices;
• a predefined permutation function of the predefined permutations of the spatial domain basis indices swaps a spatial domain basis index i* with a first spatial domain basis index and a spatial domain basis index mod2L(i*+L) with a last spatial domain basis index;
• i* is the spatial domain basis index of a spatial domain basis containing a strongest coefficient;
• L represents a total number of spatial domain basis indices;
• and
• modq(r) represents a modulo operation of an integer r with respect to a positive integer q.

A processor for wireless communication, comprising:

• receiving a set of reference signals transmitted from a set of network entities;
• computing a plurality of entries that are included in the channel state information feedback report based on the received set of reference signals, wherein:
• the plurality of entries that are included in the channel state information feedback report include at least a set of coefficients;
• and
• each coefficient is associated with a set of indices including at least one spatial domain basis index, at least one frequency domain basis index, and at least one layer index;
• and
• arranging the plurality of entries that are included in the channel state information feedback report in an order known to both the processor and a network entity of the set of network entities, wherein:
• higher prioritized entries are positioned toward a beginning of the order of the arranged plurality of entries and lower prioritized entries are positioned toward an end of the order of the arranged plurality of entries;
• at least a portion of the channel state information feedback report includes one or more concatenated groups;
• the plurality of entries that are included in the channel state information feedback report are prioritized using indices corresponding to the set of indices of the plurality of entries;
• a subset of indices of the set of indices of the plurality of entries are permuted based on predefined permutations of spatial domain basis indices of the subset of indices;
• a predefined permutation function of the predefined permutations of the spatial domain basis indices swaps a spatial domain basis index i* with a first spatial domain basis index and a spatial domain basis index mod2L(i*+L) with a last spatial domain basis index;
• i* is the spatial domain basis index of a spatial domain basis containing a strongest coefficient;
• L represents a total number of spatial domain basis indices;
• and
• modq(r) represents a modulo operation of an integer r with respect to a positive integer q.