# US 2018/0323946 A1 · Virtual carrier aggregation for wideband operation of wireless communication systems > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2018/0323946 A1 - Document ID: US20180323946A1 - Status: Published application - Kind: A1 - Application number: 15/587,511 - Filed: 2017-05-05 - Published: 2018-11-08 - Earliest claimed: 2017-05-05 - Assignees: AT&T Intellectual Property I, L.P. - Applicants: AT&T Intellectual Property I, L.P. - Inventors: Ralf Bendlin; Thomas Novlan - Web page: https://patentgrep.com/patent/US20180323946A1 ## CPC - H04L 5/0098: {Signalling of the activation or deactivation of component carriers, subcarriers or frequency bands} - H04L 5/001: {the frequencies being arranged in component carriers} - H04L 5/0053: {Allocation of signalling, i.e. of overhead other than pilot signals} - H04L 5/0048: {Allocation of pilot signals, i.e. of signals known to the receiver (allocation of control signalling H04L5/0053; use of control signalling H04L5/0091)} - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) ## Abstract Facilitating virtual carrier aggregation for wideband operation of wireless communication systems is provided herein. A system can comprise: a processor; and a memory that stores executable instructions that, when executed by the processor, facilitate performance of operations. The operations can comprise: receiving, from a network device of network devices, downlink transmission data comprising downlink control information applicable to a downlink channel of the network device; as a function of the downlink transmission data, adjusting a subband of subbands resulting in an aggregation of multiple subbands; and transmitting uplink radio traffic data via the aggregation of multiple subbands to the network device. ## Claims ### Claim 1 A system, comprising: a processor; and a memory that stores executable instructions that, when executed by the processor, facilitate performance of operations, comprising: receiving, from a network device of network devices, downlink transmission data comprising downlink control information applicable to a downlink channel of the network device; as a function of the downlink transmission data, adjusting a subband of subbands resulting in an aggregation of multiple subbands comprising a middle frequency block, wherein the middle frequency block is determined based on a physical resource block size associated with the subbands of the aggregation of multiple subbands; and based on determining that a mobile device is in an idle state, facilitating use of the aggregation of multiple subbands, by the mobile device, as a proxy for a base station device. ### Claim 2 (depends on 1) The system of claim 1, wherein the downlink transmission data further comprises physical downlink shared channel data. ### Claim 3 (depends on 1) The system of claim 1, wherein the downlink transmission data further comprises a reference signal for channel state information acquisition data applicable to the downlink channel of the network device. ### Claim 4 (depends on 1) The system of claim 1, wherein the downlink transmission data further comprises radio resource management data applicable to the downlink channel of the network device. ### Claim 5 (depends on 1) The system of claim 1, wherein the receiving the downlink transmission data further comprises receiving the downlink transmission data in a first subband of the subband of subbands. ### Claim 6 (depends on 1) The system of claim 1, wherein the operations further comprise, in response to the network device using an orthogonal frequency division multiplexing encoding scheme, receiving a first orthogonal frequency division multiplexing symbol representing the downlink control information in a first subband of the subband of subbands. ### Claim 7 (depends on 6) The system of claim 6, wherein the operations further comprise receiving a second orthogonal frequency division multiplexing symbol subsequent to the first orthogonal frequency division multiplexing symbol, and wherein the second orthogonal frequency division multiplexing symbol comprises physical downlink shared channel data. ### Claim 8 A method, comprising: receiving, by a system comprising a processor, downlink transmission data comprising downlink control information applicable to a downlink channel of a network device of network devices; as a function of the downlink transmission data, adjusting, by the system, a subband of subbands resulting in an aggregation of multiple subbands comprising a lower frequency block, wherein the lower frequency block is determined based on a physical resource block size associated with the subbands of the aggregation of multiple subbands; and in response to determining that a mobile device is in an idle state, facilitating, by the system, a use of the aggregation of multiple subbands, by the mobile device, as a proxy for a base station device. ### Claim 9 (depends on 8) The method of claim 8, wherein the downlink transmission data further comprises a single field in the downlink control information that jointly identifies a transmission/reception point device, a transmission time interval, and the subband of subbands. ### Claim 10 (depends on 9) The method of claim 9, wherein the transmission/reception point device is determined based on quasi-colocation behavior data associated with a transmission of data scheduled based on the downlink control information. ### Claim 11 (depends on 9) The method of claim 9, wherein the transmission time interval is indicated by a slot index or by two or more orthogonal frequency division multiplex symbols that are spanned by the transmission time interval. ### Claim 12 (depends on 8) The method of claim 8, wherein the receiving, by the system, the downlink transmission data further comprises receiving the downlink transmission data in a first subband of the subband of subbands. ### Claim 13 (depends on 8) The method of claim 8, further comprising, in response to the network device using an orthogonal frequency division multiplexing encoding scheme, receiving, by the system, a first orthogonal frequency division multiplexing symbol representing the downlink control information in a first subband of the subband of subbands. ### Claim 14 (depends on 13) The method of claim 13, further comprising receiving, by the system, a second orthogonal frequency division multiplexing symbol subsequent to the first orthogonal frequency division multiplexing symbol, and wherein the second orthogonal frequency division multiplexing symbol comprises physical downlink shared channel data. ### Claim 15 A non-transitory machine-readable medium, comprising executable instructions that, when executed by a processor, facilitate performance of operations, comprising: sending, to a user equipment device, downlink transmission data comprising downlink control information applicable to a downlink channel of a network device of network devices; as a function of the downlink transmission data, facilitating adjusting, at the user equipment device, a subband of subbands resulting in an aggregation of multiple subbands comprising an upper frequency block, wherein the upper frequency block is determined based on a physical resource block size associated with the subbands of the aggregation of multiple subbands; and in response to determining that the user equipment device is in a idle mode, facilitating the aggregation of multiple subbands being used by the user equipment device as a proxy for a base station device. ### Claim 16 (depends on 15) The non-transitory machine-readable medium of claim 15, wherein the downlink control information comprises a first field representative of a space division multiplexing encoding scheme, a second field representative of a time division multiplexing encoding scheme, or a third field representative of a frequency division multiplexing encoding scheme. ### Claim 17 (depends on 15) The non-transitory machine-readable medium of claim 15, wherein the downlink control information comprises a field representative of a defined quasi-colocation behavior associated with a transmission of data scheduled as a function of the downlink control information. ### Claim 18 (depends on 15) The non-transitory machine-readable medium of claim 15, wherein the downlink control information comprises a field representative of time resources associated with a transmission of data. ### Claim 19 (depends on 15) The non-transitory machine-readable medium of claim 15, wherein the downlink control information comprises a field representative of a subband of the subband of subbands for a transmission of data. ### Claim 20 (depends on 15) The non-transitory machine-readable medium of claim 15, wherein the operations further comprise, in response to the network device using an orthogonal frequency division multiplexing encoding scheme, sending a first orthogonal frequency division multiplexing symbol representing the downlink control information in a first subband of the subband of subbands.