# US 2022/0045718 A1 · Communication device and communication signal generation method > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2022/0045718 A1 - Document ID: US20220045718A1 - Status: Published application - Kind: A1 - Application number: 17/507,648 - Filed: 2021-10-21 - Published: 2022-02-10 - Earliest claimed: 2018-02-26 - Assignees: Panasonic Intellectual Property Management Co., Ltd. - Applicants: Panasonic Intellectual Property Management Co., Ltd. - Inventors: Hisao KOGA; Makoto YONEKURA; Koji IKEDA - Web page: https://patentgrep.com/patent/US20220045718A1 ## CPC - H04B 3/542: {the information being in digital form} - H04B 3/54: Systems for transmission via power distribution lines - H04B 3/544: {Setting up communications; Call and signalling arrangements} - H04B 3/548: {the power on the line being DC (arrangements for feeding power H04L12/10; extracting feeding power from signals H04L25/02)} - H04J 1/00: Frequency-division multiplex systems (H04J14/00 takes precedence) - H04B: TRANSMISSION - H04J: MULTIPLEX COMMUNICATION (transmission in general H04B; peculiar to transmission of digital information H04L5/00; systems for the simultaneous or sequential transmission of more than one television signal H04N7/08; in exchanges H04Q11/00; stereophonic systems H04S) ## Abstract A communication device and a communication signal generation method are provided that perform receiving input data; and processing the input data according to a determined channel to generate a communication frame. The determined channel corresponds to one of a plurality of channels including at least one first channel defined by a first mode and at least one second channel defined by a second mode. A frequency band of the first channel including subcarriers is different from a frequency band of the second channel including subcarriers. A frequency interval of the subcarriers in the first channel is different from a frequency interval of the subcarriers in the second channel. A number of the first channel(s) in the first mode is different from a number of the second channel(s) in the second mode. ## Claims ### Claim 1 A communication signal generation method for a communication device, the communication signal generation method comprising: receiving input data; and processing the input data according to a determined channel to generate a communication frame, wherein, the determined channel corresponds to one of a plurality of channels including at least one first channel defined by a first mode and at least one second channel defined by a second mode, a frequency band of the first channel including subcarriers is different from a frequency band of the second channel including subcarriers, a frequency interval of the subcarriers in the first channel is different from a frequency interval of the subcarriers in the second channel, and a number of the first channel(s) in the first mode is different from a number of the second channel(s) in the second mode. ### Claim 2 (depends on 1) The communication signal generation method according to claim 1, wherein the step of processing the input data includes multiplying a sampling rate of the input data and resampling the input data. ### Claim 3 (depends on 2) The communication signal generation method according to claim 2, wherein the step of processing the input data includes converting a frequency band of the input data as resampled into a frequency band corresponding to the determined channel. ### Claim 4 (depends on 3) The communication signal generation method according to claim 3, wherein the step of processing the input data includes resampling the converted input data. ### Claim 5 (depends on 1) The communication signal generation method according to claim 1, comprising: selecting a clock frequency corresponding to a mode that defines the determined channel; wherein the step of processing the input data is performed according to the selected clock frequency. ### Claim 6 (depends on 1) The communication signal generation method according to claim 1, comprising: performing a communication with another communication device; receiving transmission line information transmitted from the another communication device; and selecting a channel to be used for the communication with the another communication device based on the received transmission line information. ### Claim 7 (depends on 1) The communication signal generation method according to claim 1, comprising: performing a communication with another communication device; receiving transmission line information transmitted from the another communication device; transmitting, to an external apparatus, the received transmission line information and receiving, from the external apparatus, information relating to a channel determined by the external apparatus to be used for the communication between the communication device and the another communication device; and selecting a channel to be used for the communication between the communication device and the another communication device based on the received information. ### Claim 8 (depends on 1) The communication signal generation method according to claim 1, wherein the first mode is a 1/2 mode defining two first channels, and the second mode is a 1/4 mode defining four second channels. ### Claim 9 (depends on 1) The communication signal generation method according to claim 1, wherein the first mode is a 1 mode defining one first channel, and the second mode is a 1/2 mode defining two second channels. ### Claim 10 (depends on 1) The communication signal generation method according to claim 1, wherein, the plurality of channels include at least one third channel defined by a third mode, a frequency band of the third channel including subcarriers is different from the frequency band of the first channel and from the frequency band of the second channel, a frequency interval of the subcarriers in the third channel is different from the frequency interval of the subcarriers in the first channel and from the frequency interval of the subcarriers in the second channel, and a number of the third channel(s) in the third mode is different from the number of the first channel(s) in the first mode and from the number of the second channel(s) in the second mode. ### Claim 11 (depends on 1) The communication signal generation method according to claim 1, comprising: when a long-distance power line communication is desired, selecting a 1/2 mode defining two channels or a 1/4 mode defining four channels instead of a 1 mode defining one channel. ### Claim 12 A communication device, comprising: a processor; and a memory storing a program and data, wherein the program, when executed by the processor, causes the processor to perform: receiving input data; and processing the input data according to a determined channel to generate a communication frame, wherein, the determined channel corresponds to one of a plurality of channels including at least one first channel defined by a first mode and at least one second channel defined by a second mode, a frequency band of the first channel including subcarriers is different from a frequency band of the second channel including subcarriers, a frequency interval of the subcarriers in the first channel is different from a frequency interval of the subcarriers in the second channel, and a number of the first channel(s) in the first mode is different from a number of the second channel(s) in the second mode. ### Claim 13 (depends on 12) The communication device according to claim 12, wherein the first mode is a 1/2 mode defining two first channels, and the second mode is a 1/4 mode defining four second channels. ### Claim 14 (depends on 12) The communication device according to claim 12, wherein the first mode is a 1 mode defining one first channel, and the second mode is a 1/2 mode defining two second channels. ### Claim 15 (depends on 12) The communication device according to claim 12, wherein, the plurality of channels include at least one third channel defined by a third mode, a frequency band of the third channel including subcarriers is different from the frequency band of the first channel and from the frequency band of the second channel, a frequency interval of the subcarriers in the third channel is different from the frequency interval of the subcarriers in the first channel and from the frequency interval of the subcarriers in the second channel, and a number of the third channel(s) in the third mode is different from the number of the first channel(s) in the first mode and from the number of the second channel(s) in the second mode. ### Claim 16 (depends on 12) The communication device according to claim 12, wherein, when a long-distance power line communication is desired, the processor performs selecting a 1/2 mode defining two channels or a 1/4 mode defining four channels instead of a 1 mode defining one channel. ### Claim 17 A communication system comprising: a communication device comprising a processor and a memory storing a program and data, wherein the program, when executed by the processor, causes the processor to perform: receiving input data; and processing the input data according to a determined channel to generate a communication frame, wherein, the determined channel corresponds to one of a plurality of channels including at least one first channel defined by a first mode and at least one second channel defined by a second mode, a frequency band of the first channel including subcarriers is different from a frequency band of the second channel including subcarriers, a frequency interval of the subcarriers in the first channel is different from a frequency interval of the subcarriers in the second channel, and a number of the first channel(s) in the first mode is different from a number of the second channel(s) in the second; and a control apparatus connected to the communication device by a communication cable. ### Claim 18 (depends on 17) The communication system according to claim 17, wherein the control apparatus includes a communication interface, a memory, a processor, an input/output interface, and a storage.