# US 12,120,695 B2 · Interleaved control channel for spatial division multiplexing in higher bands > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,120,695 B2 - Document ID: US12120695B2 - Status: Granted - Kind: B2 - Application number: 17/332,784 - Filed: 2021-05-27 - Published: 2022-12-01 - Granted: 2024-10-15 - Earliest claimed: 2021-05-27 - Assignees: QUALCOMM Incorporated - Applicants: QUALCOMM Incorporated - Inventors: Amit Bar-Or Tillinger; Shay Landis; Idan Michael Horn - Web page: https://patentgrep.com/patent/US12120695B2 ## CPC - H04W 72/23: in the downlink direction of a wireless link, i.e. towards a terminal - H04B 7/088: {using beam selection} - H04L 1/0071: {Use of interleaving (interleaving per se H03M13/27)} - H04W 72/046: {the resource being in the space domain, e.g. beams} - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - H04B: TRANSMISSION - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) ## Abstract Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive, from a base station, a signal identifying a configuration of a plurality of search spaces to monitor for a plurality of downlink control information (DCI) transmissions, wherein the plurality of search spaces is interleaved over a plurality of transmit beams of the base station, and each DCI transmission carries information associated with one or more transmit beams of the plurality of transmit beams. The UE may monitor the plurality of search spaces for the plurality of DCI transmissions associated with the UE, wherein each search space of the plurality of search spaces includes at least a portion of each DCI transmission of the plurality of DCI transmissions. The UE may decode each received DCI transmission in the plurality of DCI transmissions based at least in part on the monitoring. ## Claims ### Claim 1 A method for wireless communication at a user equipment (UE), comprising: receiving, from a network device, a signal identifying a configuration of a plurality of search spaces to monitor for a plurality of downlink control information transmissions, wherein the plurality of search spaces is interleaved over a plurality of transmit beams of the network device, and each downlink control information transmission carries information associated with one or more transmit beams of the plurality of transmit beams; monitoring the plurality of search spaces for the plurality of downlink control information transmissions associated with the UE, wherein each search space of the plurality of search spaces includes at least a portion of each downlink control information transmission of the plurality of downlink control information transmissions; decoding each received downlink control information transmission in the plurality of downlink control information transmissions based at least in part on the monitoring; and wherein the plurality of downlink control information transmissions comprises an instance of a downlink control information in each downlink control information transmission or the instance of the downlink control information spread across a subset of the plurality of downlink control information transmissions. ### Claim 2 (depends on 1) The method of claim 1, further comprising: receiving from the network device a set of table dimensions associated with interleaving the plurality of search spaces over the plurality of transmit beams. ### Claim 3 (depends on 2) The method of claim 2, wherein decoding each received downlink control information transmission comprises: ordering each received downlink control information transmission received in the plurality of search spaces according to a sequential ordering scheme and an interleaving table, wherein the received set of table dimensions comprise a number of rows of the interleaving table and a number of columns of the interleaving table. ### Claim 4 (depends on 3) The method of claim 3, wherein decoding each received downlink control information transmission further comprises: receiving each received downlink control information transmission in a column-first manner according to the sequential ordering scheme and the interleaving table; and decoding received downlink control information transmission in a row-first manner. ### Claim 5 (depends on 3) The method of claim 3, wherein each column of the interleaving table corresponds to a transmit beam of the plurality of transmit beams. ### Claim 6 (depends on 1) The method of claim 1, wherein the signal comprises a radio resource control (RRC) signal, a medium access control (MAC) control element (CE) signal, or both. ### Claim 7 A method for wireless communication at a network device, comprising: transmitting, to a user equipment (UE), a signal identifying a configuration of a plurality of search spaces to monitor for a plurality of downlink control information transmissions, wherein the plurality of search spaces is interleaved over a plurality of transmit beams of the network device, and each downlink control information transmission carries information associated with one or more transmit beams of the plurality of transmit beams; performing the plurality of downlink control information transmissions in the plurality of search spaces, wherein each search space of the plurality of search spaces includes at least a portion of each downlink control information transmission of the plurality of downlink control information transmissions and the UE decoding each received downlink control information transmission in the plurality of downlink control information transmissions is based at least in part on the UE monitoring the plurality of search spaces; and wherein the plurality of downlink control information transmissions comprises an instance of a downlink control information in each downlink control information transmission or the instance of the downlink control information spread across a subset of the plurality of downlink control information transmissions. ### Claim 8 (depends on 7) The method of claim 7, further comprising: transmitting to the UE a set of table dimensions associated with interleaving the plurality of search spaces over the plurality of transmit beams. ### Claim 9 (depends on 7) The method of claim 7, wherein the signal comprises a radio resource control (RRC) signal, a medium access control (MAC) control element (CE) signal, or both. ### Claim 10 An apparatus for wireless communication at a user equipment (UE), comprising: a processor; memory coupled with the processor; and instructions stored in the memory and executable by the processor to cause the apparatus to: receive, from a network device, a signal identifying a configuration of a plurality of search spaces to monitor for a plurality of downlink control information transmissions, wherein the plurality of search spaces is interleaved over a plurality of transmit beams of the network device, and each downlink control information transmission carries information associated with one or more transmit beams of the plurality of transmit beams; monitor the plurality of search spaces for the plurality of downlink control information transmissions associated with the UE, wherein each search space of the plurality of search spaces includes at least a portion of each downlink control information transmission of the plurality of downlink control information transmissions; decode each received downlink control information transmission in the plurality of downlink control information transmissions based at least in part on the monitoring; and wherein the plurality of downlink control information transmissions comprises an instance of a downlink control information in each downlink control information transmission or the instance of the downlink control information spread across a subset of the plurality of downlink control information transmissions. ### Claim 11 (depends on 10) The apparatus of claim 10, wherein the instructions are further executable by the processor to cause the apparatus to: receive from the network device a set of table dimensions associated with interleaving the plurality of search spaces over the plurality of transmit beams. ### Claim 12 (depends on 11) The apparatus of claim 11, wherein the instructions to decode each received downlink control information transmission are executable by the processor to cause the apparatus to: order each received downlink control information transmission received in the plurality of search spaces according to a sequential ordering scheme and an interleaving table, wherein the received set of table dimensions comprise a number of rows of the interleaving table and a number of columns of the interleaving table. ### Claim 13 (depends on 12) The apparatus of claim 12, wherein the instructions to decode each received downlink control information transmission are further executable by the processor to cause the apparatus to: receive each received downlink control information transmission in a column-first manner according to the sequential ordering scheme and the interleaving table; and decode received downlink control information transmission in a row-first manner. ### Claim 14 (depends on 12) The apparatus of claim 12, wherein each column of the interleaving table corresponds to a transmit beam of the plurality of transmit beams. ### Claim 15 (depends on 10) The apparatus of claim 10, wherein the signal comprises a radio resource control (RRC) signal, a medium access control (MAC) control element (CE) signal, or both. ### Claim 16 An apparatus for wireless communication at a network device, comprising: a processor; memory coupled with the processor; and instructions stored in the memory and executable by the processor to cause the apparatus to: transmit, to a user equipment (UE), a signal identifying a configuration of a plurality of search spaces to monitor for a plurality of downlink control information transmissions, wherein the plurality of search spaces is interleaved over a plurality of transmit beams of the network device, and each downlink control information transmission carries information associated with one or more transmit beams of the plurality of transmit beams; perform the plurality of downlink control information transmissions in the plurality of search spaces, wherein each search space of the plurality of search spaces includes at least a portion of each downlink control information transmission of the plurality of downlink control information transmissions and the UE decoding each received downlink control information transmission in the plurality of downlink control information transmissions is based at least in part on the UE monitoring the plurality of search spaces; and wherein the plurality of downlink control information transmissions comprises an instance of a downlink control information in each downlink control information transmission or the instance of the downlink control information spread across a subset of the plurality of downlink control information transmissions. ### Claim 17 (depends on 16) The apparatus of claim 16, wherein the instructions are further executable by the processor to cause the apparatus to: transmit to the UE a set of table dimensions associated with interleaving the plurality of search spaces over the plurality of transmit beams. ### Claim 18 (depends on 16) The apparatus of claim 16, wherein the signal comprises a radio resource control (RRC) signal, a medium access control (MAC) control element (CE) signal, or both.