US 2026/0180716 A1 · INFORMATION INDICATIONS FOR RAPTOR CODES

Abstract

Methods, systems, and devices for wireless communications are described. An encoding device (e. g., a network entity or user equipment (UE)) may communicate indications of encoded symbol identifiers (ESI), source block numbers (SBN), or both with a decoding device in a downlink control information (DCI). As examples, the indications of the SBN and/or ESIs may be transmitted using either an unused or repurposed field in the downlink control information (DCI) that schedules a transmission that includes the encoded symbols or in a new DCI that piggybacks on a downlink shared channel transmission that includes the encoded symbols. Additionally, or alternatively, in a first option, the ESI may be explicitly indicated by the DCI. In another option, the network entity may indicate a configuration (e. g., via radio resource control messaging) for implicitly determining the ESI based on information conveyed in the DCI.

Claims21

Dependent claims

A first network node for wireless communication, comprising:

a memory;
and
at least one processor coupled to the memory, wherein the at least one processor is configured to:
participate in communication of downlink control information, wherein the downlink control information includes an indication of a source block number associated with a source block for a plurality of source symbols, wherein the downlink control information includes scheduling information for a transmission including one or more encoded symbols derived from the plurality of source symbols, wherein the downlink control information is included in a downlink shared channel transmission that includes the one or more encoded symbols, or the downlink control information includes the indication in a repurposed field;
receive the one or more encoded symbols, wherein each respective encoded symbol of the one or more encoded symbols is associated, via a rateless code, with a respective corresponding set of source symbols of the plurality of source symbols;
and
decode, based on the source block number, the one or more encoded symbols to determine the plurality of source symbols.

4 more elements

A method for wireless communications at a first network node, comprising:

participating in communication of downlink control information, wherein the downlink control information includes an indication of a source block number associated with a source block for a plurality of source symbols, wherein the downlink control information includes scheduling information for a transmission including one or more encoded symbols derived from the plurality of source symbols, wherein the downlink control information is included in a downlink shared channel transmission that includes the one or more encoded symbols, or the downlink control information includes the indication in a repurposed field;
receiving the one or more encoded symbols, wherein each respective encoded symbol of the one or more encoded symbols is associated, via a rateless code, with a respective corresponding set of source symbols of the plurality of source symbols;
and
decoding, based on the source block number, the one or more encoded symbols to determine the plurality of source symbols.

1 more element

Dependencies are inferred from the claim text.

Information indications for raptor codes

Life of this patent

Information indications for raptor codes

Life of this patent

Abstract

Claims21