# US 11,910,332 B2 · Systems and methods of configuring a spectral mask > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,910,332 B2 - Document ID: US11910332B2 - Status: Granted - Kind: B2 - Application number: 17/504,107 - Filed: 2021-10-18 - Published: 2022-05-19 - Granted: 2024-02-20 - Earliest claimed: 2020-11-18 - Assignees: Meta Platforms Technologies, LLC - Applicants: Meta Platforms Technologies, LLC - Inventors: Carlos Horacio Aldana - Web page: https://patentgrep.com/patent/US11910332B2 ## CPC - H04W 52/243: {taking into account interferences} - H04W 52/34: TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading - H04B 1/04: Circuits - H04W 52/42: in systems with time, space, frequency or polarisation diversity - H04W 72/0453: Resources in frequency domain, e.g. a carrier in FDMA - H04B 2001/0416: {having gain or transmission power control} - H04W 52/146: {Uplink power control} - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - H04B: TRANSMISSION ## Abstract Systems and methods for configuring a spectral mask include a transmitting device which maintains a plurality of spectral masks for signal transmissions. The transmitting device determines a channel to transmit a signal. The transmitting device selects a first spectral mask from the plurality of spectral masks according to the determined channel to transmit the signal. The transmitting device transmits the signal in the determined channel to a receiving device according to the first spectral mask. ## Claims ### Claim 1 A method, comprising: maintaining, by a transmitting device, a plurality of spectral masks for signal transmissions; determining, by the transmitting device, a channel to transmit a signal; selecting, by the transmitting device, a first spectral mask from the plurality of spectral masks, to transmit the signal, the first spectral mask selected according to a mapping of the first spectral mask to the determined channel; and transmitting, by the transmitting device, the signal in the determined channel to a receiving device according to the first spectral mask. ### Claim 2 (depends on 1) The method of claim 1, comprising selecting the first spectral mask from the plurality of spectral masks according to a proximity of the channel to a defined frequency. ### Claim 3 (depends on 2) The method of claim 2, wherein the defined frequency is at 5935 megaHertz. ### Claim 4 (depends on 1) The method of claim 1, wherein the first spectral mask defines a maximum transmission power across a channel width of the channel, and a fall-off from the maximum transmission power for frequencies beyond a frequency band of the channel width. ### Claim 5 (depends on 4) The method of claim 4, wherein the fall-off has a first slope for a first frequency band and a second slope for a second frequency band, wherein the first frequency band is between the frequency band of the channel width and the second frequency band. ### Claim 6 (depends on 4) The method of claim 4, wherein the fall-off has a slope that defines a maximum transmission power of the signal at each of a plurality of frequencies beyond a frequency band of the channel width. ### Claim 7 (depends on 1) The method of claim 1, comprising: maintaining, by the transmitting device, a mapping between each of a plurality of channels and at least one corresponding spectral mask of the plurality of spectral masks; and selecting, by the transmitting device, the first spectral mask according to the mapping between the determined channel and the first spectral mask. ### Claim 8 (depends on 7) The method of claim 7, wherein selecting the first spectral mask comprises: determining, by the transmitting device according to the mapping, that the first spectral mask and a second spectral mask are mapped to the determined channel; and selecting, by the transmitting device, the first spectral mask instead of the second spectral mask, according to a proximity of the determined channel to a defined frequency. ### Claim 9 (depends on 1) The method of claim 1, wherein the mapping comprises a first mapping, the method further comprising: maintaining, by the transmitting device, a second mapping between each of a plurality of channels and a corresponding maximum transmission power; and determining, by the transmitting device, the first spectral mask according to the corresponding maximum transmission power for the determined channel. ### Claim 10 (depends on 1) The method of claim 1, wherein maintaining the plurality of spectral masks comprises maintaining, by the transmitting device, a first spectral mask defining a first maximum transmission power and a second spectral mask defining a second maximum transmission power. ### Claim 11 A transmitting device, comprising: one or more processors configured to: maintain a plurality of spectral masks for signal transmissions; determine a channel to transmit a signal; select a first spectral mask from the plurality of spectral masks, to transmit the signal, the first spectral mask selected according to a mapping of the first spectral mask to the determined channel; and transmit the signal in the determined channel to a receiving device according to the first spectral mask. ### Claim 12 (depends on 11) The transmitting device of claim 11, wherein the one or more processors are configured to select the first spectral mask from the plurality of spectral masks according to a proximity of the channel to a defined frequency. ### Claim 13 (depends on 11) The transmitting device of claim 11, wherein the first spectral mask defines a maximum transmission power across a channel width of the channel, and a fall-off from the maximum transmission power for frequencies beyond a frequency band of the channel width. ### Claim 14 (depends on 13) The transmitting device of claim 13, wherein the fall-off has a first slope for a first frequency band and a second slope for a second frequency band, wherein the first frequency band is between the frequency band of the channel width and the second frequency band. ### Claim 15 (depends on 13) The transmitting device of claim 13, wherein the fall-off has a slope that defines a maximum transmission power of the signal at each of a plurality of frequencies beyond a frequency band of the channel width. ### Claim 16 (depends on 11) The transmitting device of claim 11, wherein the one or more processors are further configured to: maintain a mapping between each of a plurality of channels and at least one corresponding spectral mask of the plurality of spectral masks; and select the first spectral mask according to the mapping between the determined channel and the first spectral mask. ### Claim 17 (depends on 16) The transmitting device of claim 16, wherein selecting the first spectral mask comprises: determining, according to the mapping, that the first spectral mask and a second spectral mask are mapped to the determined channel; and selecting the first spectral mask instead of the second spectral mask, according to a proximity of the determined channel to a defined frequency. ### Claim 18 (depends on 11) The transmitting device of claim 11, wherein the mapping comprises a first mapping, wherein the one or more processors are further configured to: maintain a second mapping between each of a plurality of channels and a corresponding maximum transmission power; and determine the first spectral mask according to the corresponding maximum transmission power for the determined channel. ### Claim 19 (depends on 11) The transmitting device of claim 11, wherein maintaining the plurality of spectral masks comprises maintaining a first spectral mask defining a first maximum transmission power and a second spectral mask defining a second maximum transmission power. ### Claim 20 A non-transitory computer readable medium storing instructions that, when executed by one or more processors, cause the one or more processors to: maintain a plurality of spectral masks for signal transmissions; determine a channel to transmit a signal; select a first spectral mask from the plurality of spectral masks, to transmit the signal, the first spectral mask selected according to a mapping of the first spectral mask to the determined channel; and transmit the signal in the determined channel to a receiving device according to the first spectral mask.