# US 11,310,786 B2 · Control information on data channel in radio access network > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,310,786 B2 - Document ID: US11310786B2 - Status: Granted - Kind: B2 - Application number: 16/645,554 - Filed: 2017-09-11 - Published: 2020-09-03 - Granted: 2022-04-19 - Earliest claimed: 2017-09-11 - Assignees: Telefonaktiebolaget LM Ericsson (publ) - Applicants: Telefonaktiebolaget LM Ericsson (publ) - Inventors: Robert Baldemair; Jung-Fu Cheng - Web page: https://patentgrep.com/patent/US11310786B2 ## CPC - H04W 72/20: Control channels or signalling for resource management - H04W 72/23: in the downlink direction of a wireless link, i.e. towards a terminal - H04L 1/0009: {by adapting the channel coding (H04L1/1812 takes precedence)} - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) ## Abstract There is disclosed a method of operating a user equipment in a radio access network, the user equipment being configured with a control channel configuration pertaining to transmission of control information on a control channel. The user equipment further being configured with data channel resources for transmission of data on a data channel. The method includes transmitting control information on data channel resources based on the control channel configuration. The disclosure also pertains to related devices and methods. ## Claims ### Claim 1 A method of operating a user equipment in a radio access network, the user equipment being configured with a control channel configuration pertaining to transmission of control information on a control channel, the user equipment further being configured with data channel resources for transmission of data on a data channel, the method comprising: transmitting control information on data channel resources based on the control channel configuration, the data channel resources being configured with a first control information message, and the control channel configuration being configured with a different second control information message, and at least one of: the first control information message is a scheduling grant; and the second control information message is a scheduling assignment. ### Claim 2 A user equipment for a radio access network, the user equipment comprising processing circuitry, and one or more transceivers, the user equipment being configured with: a control channel configuration pertaining to transmission of control information on a control channel; and data channel resources for transmission of data on a data channel; and the user equipment is configured to: transmit, via at least one transceiver, control information on data channel resources based on the control channel configuration, the data channel resources being configured with a first control information message, and the control channel configuration being configured with a different second control information message, and at least one of: the first control information message is a scheduling grant; and the second control information message is a scheduling assignment. ### Claim 3 A method of operating a radio node in a radio access network, the method comprising: receiving control information from a user equipment configured with a control channel configuration pertaining to transmission of control information on a control channel, the user equipment further being configured with data channel resources for transmission of data on a data channel, the control information being received on data channel resources based on the control channel configuration, the data channel resources being configured with a first control information message, and the control channel configuration being configured with a different second control information message, and at least one of: the first control information message is a scheduling grant; and the second control information message is a scheduling assignment. ### Claim 4 A radio node for a radio access network, the radio node comprising processing circuitry, and one or more transceivers, the radio node being configured to: receive, via at least one transceiver, control information from a user equipment configured with a control channel configuration pertaining to transmission of control information on a control channel, the user equipment further being configured with data channel resources for transmission of data on a data channel, the radio node the radio node being further configured to receive the control information on data channel resources based on the control channel configuration, the data channel resources being configured with a first control information message, and the control channel configuration being configured with a different second control information message, and at least one of: the first control information message is a scheduling grant; and the second control information message is a scheduling assignment. ### Claim 5 (depends on 1) The method according to claim 1, wherein the control channel configuration indicates a code rate for the control channel. ### Claim 6 (depends on 1) The method according to claim 1, wherein the control information is mapped for transmission to data channel resources based on a code rate indicated by the control channel configuration. ### Claim 7 (depends on 1) The method according to claim 1, wherein the control channel configuration is configured with a downlink control information message. ### Claim 8 (depends on 1) The method according to claim 1, wherein the control channel configuration indicates control channel resources for transmission of control information on the control channel coinciding in time domain with data channel resources. ### Claim 9 (depends on 1) The method according to claim 1, wherein at least one parameter based on which control information is mapped to data channel resources is determined based on the control channel configuration. ### Claim 10 (depends on 1) The method according to claim 1, wherein control information is mapped to data channel resources based on a set of formulas, one of which is selected adaptively for each mapping. ### Claim 11 (depends on 1) The method according to claim 1, wherein control information is mapped to data channel resources based on a control signaling type. ### Claim 12 (depends on 1) The method according to claim 1, wherein the control information is one of rate-matched and punctured on the data channel. ### Claim 13 A computer storage medium storing an executable computer program comprising instructions that, when executed, causes processing circuitry to at least one of control and perform a method of operating a user equipment in a radio access network, the user equipment being configured with a control channel configuration pertaining to transmission of control information on a control channel, the user equipment further being configured with data channel resources for transmission of data on a data channel, the method comprising: transmitting control information on data channel resources based on the control channel configuration, the data channel resources being configured with a first control information message, and the control channel configuration being configured with a different second control information message, and at least one of: the first control information message is a scheduling grant; and the second control information message is a scheduling assignment. ### Claim 14 (depends on 3) The method according to claim 3, wherein the control channel configuration indicates a code rate for the control channel. ### Claim 15 (depends on 3) The method according to claim 3, wherein the control information is mapped for transmission to data channel resources based on a code rate indicated by the control channel configuration. ### Claim 16 (depends on 3) The method according to claim 3, wherein the control channel configuration is configured with a downlink control information message. ### Claim 17 (depends on 3) The method according to claim 3, wherein the control channel configuration indicates control channel resources for transmission of control information on the control channel coinciding in time domain with data channel resources. ### Claim 18 (depends on 3) The method according to claim 3, wherein at least one parameter based on which control information is mapped to data channel resources is determined based on the control channel configuration. ### Claim 19 (depends on 3) The method according to claim 3, wherein control information is mapped to data channel resources based on a set of formulas, one of which is selected adaptively for each mapping.