# US 2019/0380140 A1 · Communications devices and methods > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0380140 A1 - Document ID: US20190380140A1 - Status: Published application - Kind: A1 - Application number: 16/475,691 - Filed: 2017-12-05 - Published: 2019-12-12 - Earliest claimed: 2017-01-05 - Assignees: Sony Corporation - Applicants: Sony Corporation - Inventors: Shin Horng WONG; Martin Warwick BEALE; Brian Alexander MARTIN; Vivek SHARMA; Hideji WAKABAYASHI; Shinichiro TSUDA - Web page: https://patentgrep.com/patent/US20190380140A1 ## CPC - H04W 72/20: Control channels or signalling for resource management - H04L 5/0094: {Indication of how sub-channels of the path are allocated} - H04W 88/06: adapted for operation in multiple networks {or having at least two operational modes}, e.g. multi-mode terminals - H04W 88/10: adapted for operation in multiple networks, e.g. multi-mode access points - 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 Communicating in a wireless telecommunications system comprising a communications device and one or more infrastructure equipment, wherein the communications device is configured to communicate with the infrastructure equipment via a first wireless access interface in accordance with a first radio access technology (RAT) and to communicate with the infrastructure equipment via a second wireless access interface in accordance with a second RAT. An exemplary process includes receiving, at the communications device via the first wireless access interface, control signalling from one of the infrastructure equipment, the control signalling comprising an indication of first communications resources to be used by the communications device to communicate via the second wireless access interface, and transmitting, from the communications device, the signals representing data to and/or receiving, at the communications device, the signals representing data from, using the first communications resources, the one of the infrastructure equipment via the second wireless access interface. ## Claims ### Claim 1 A method of communicating in a wireless telecommunications system comprising a communications device and one or more infrastructure equipment, wherein the communications device is configured to transmit signals to and receive signals from the infrastructure equipment via a first wireless access interface in accordance with a first radio access technology, RAT, and to transmit signals to and receive signals from the infrastructure equipment via a second wireless access interface in accordance with a second RAT, the second RAT being different to the first RAT, the method comprising receiving, at the communications device via the first wireless access interface, control signalling from one of the infrastructure equipment, the control signalling comprising an indication of first communications resources to be used by the communications device to transmit/receive signals representing data to/from the one of the infrastructure equipment via the second wireless access interface, and transmitting, from the communications device, the signals representing data to and/or receiving, at the communications device, the signals representing data from, using the first communications resources, the one of the infrastructure equipment via the second wireless access interface. ### Claim 2 (depends on 1) A method according to claim 1, comprising receiving, at the communications device via the first wireless access interface, second control signalling from the one of the infrastructure equipment, the second control signalling comprising an indication of second communications resources to be used by the communications device to transmit/receive signals representing data to/from the one of the infrastructure equipment via the first wireless access interface. ### Claim 3 (depends on 2) A method according to claim 2, wherein the first communications resources comprise first frequency sub-bands and the second communications resources comprise second frequency sub-bands, the first frequency sub-bands being separated in frequency from the second frequency sub-bands. ### Claim 4 (depends on 2) A method according to claim 2, wherein the first communications resources comprise first temporal units and the second communications resources comprise second temporal units, the first temporal units being separated in time from the second temporal units. ### Claim 5 (depends on 4) A method according to claim 4, comprising receiving, at the communications device via the first wireless access interface, downlink control information from one of the infrastructure equipment, and, if the communications device is a communications device capable of transmitting signals to and receiving signals from the infrastructure equipment via the second wireless access interface, decoding, at the communications device, the downlink control information. ### Claim 6 (depends on 4) A method according to claim 4, comprising receiving, at the communications device, with the control signalling, if the first temporal units are temporal units of a multicast-broadcast, single-frequency network, MBSFN, an indication that the first communications resources comprise no cell-specific reference signals, or receiving, at the communications device, with the control signalling, if the first temporal units are not temporal units of a MBSFN, an indication that the first communications resources comprise one or more cell-specific reference signals. ### Claim 7 (depends on 1) A method according to claim 1, the control signalling being first control signalling, the method comprising receiving, at the communications device via the second wireless access interface, second control signalling from one of the infrastructure equipment, the second control signalling comprising an indication of the first communications resources, and attempting to decode, at the communications device, each of the first control signalling and the second control signalling to identify the first communications resources. ### Claim 8 (depends on 1) A method according to claim 1, the control signalling being first control signalling, the method comprising receiving, at the communications device via the second wireless access interface, second control signalling from one of the infrastructure equipment, the second control signalling comprising an indication of the first communications resources, determining, by the communications device, whether the first communications resources comprise, in a broadcast control channel region, an indication that a full control channel region in accordance with the second RAT exists, and attempting to decode, at the communications device, the second control signalling to identify the first communications resources. ### Claim 9 (depends on 1) A method according to claim 1, the control signalling being first control signalling, the method comprising receiving, at the communications device via the second wireless access interface, second control signalling from one of the infrastructure equipment, the second control signalling comprising an indication of the first communications resources, determining, by the communications device, whether the first control signalling comprises a radio network temporary identifier, RNTI, indicating that a full control channel region in accordance with the second RAT exists, and attempting to decode, at the communications device, the second control signalling to identify the first communications resources. ### Claim 10 (depends on 8) A method according to claim 8, comprising attempting to decode, at the communications device, the first control signalling in addition to the second control signalling. ### Claim 11 A communications device configured to communicate with a wireless telecommunications network comprising one or more infrastructure equipment, the communications device comprising transmitter circuitry configured to transmit signals to the infrastructure equipment via a first wireless access interface in accordance with a first radio access technology, RAT, and to transmit signals to the infrastructure equipment via a second wireless access interface in accordance with a second RAT, the second RAT being different to the first RAT, receiver circuitry configured to receive signals from the infrastructure equipment via the first wireless access interface in accordance with the first RAT, and to receive signals from the infrastructure equipment via the second wireless access interface in accordance with the second RAT, and controller circuitry configured to control the transmitter circuitry to transmit the signals and to control the receiver circuitry to receive the signals, the controller circuitry being configured in combination with the transmitter circuitry and the receiver circuitry to receive via the first wireless access interface control signalling from one of the infrastructure equipment, the control signalling comprising an indication of first communications resources to be used by the communications device to transmit/receive signals representing data to/from the one of the infrastructure equipment via the second wireless access interface, and to transmit the signals representing data to and/or to receive the signals representing data from, using the first communications resources, the one of the infrastructure equipment via the second wireless access interface. ### Claim at position 12 12-15. (canceled) ### Claim 16 A communications device configured to communicate with a wireless telecommunications network comprising one or more infrastructure equipment, the communications device comprising transmitter circuitry configured to transmit signals to the infrastructure equipment via a first wireless access interface in accordance with a first radio access technology, RAT, and to transmit signals to the infrastructure equipment via a second wireless access interface in accordance with a second RAT, the second RAT being different to the first RAT, receiver circuitry configured to receive signals from the infrastructure equipment via the first wireless access interface in accordance with the first RAT, and to receive signals from the infrastructure equipment via the second wireless access interface in accordance with the second RAT, and controller circuitry configured to control the transmitter circuitry to transmit the signals and to control the receiver circuitry to receive the signals, the controller circuitry being configured in combination with the transmitter circuitry and the receiver circuitry, to transmit via the first wireless access interface control signalling to one of the infrastructure equipment, the control signalling comprising physical uplink control information to be used by the one of the infrastructure equipment, the physical uplink control information relating to the second RAT. ### Claim at position 14 17-18. (canceled)