# US 2013/0157581 A1 · Wireless communication apparatus, wireless communication method, computer program, and wireless communication system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2013/0157581 A1 - Document ID: US20130157581A1 - Status: Published application - Kind: A1 - Application number: 13/767,608 - Filed: 2013-02-14 - Published: 2013-06-20 - Earliest claimed: 2009-04-24 - Assignees: Sony Corporation - Inventors: Ryota Kimura; Ryo Sawai; Yuichi Morioka - Web page: https://patentgrep.com/patent/US20130157581A1 ## CPC - H04W 72/0453: Resources in frequency domain, e.g. a carrier in FDMA - H04B 7/0408: using two or more beams, i.e. beam diversity - H04B 7/0684: {using different training sequences per antenna} - H04B 7/26: at least one of which is mobile - H04W 88/06: adapted for operation in multiple networks {or having at least two operational modes}, e.g. multi-mode terminals - H04W 72/535: {based on resource usage policies} - 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 A wireless communication apparatus includes: a first wireless communication section performing wireless communication on the basis of a first communication mode; a second wireless communication section performing wireless communication on the basis of a second communication mode using a different frequency band from the first communication mode; a beam learning signal generation section generating a beam learning signal for specifying a beam pattern at the time of the communication based on the second communication mode and transmitting the beam learning signal from the second wireless communication section; a response information acquisition section acquiring response information responding to the transmitted beam learning signal; and a preliminary information generation section generating preliminary information so as not to cause interference among a plurality of wireless communications using the second communication mode on the basis of the response information and transmitting the preliminary information from the first wireless communication section. ## Claims ### Claim 1 A wireless communication apparatus comprising: a first wireless communication section performing wireless communication on the basis of a first communication mode; a second wireless communication section performing wireless communication on the basis of a second communication mode using a different frequency band from the first communication mode; a beam learning signal generation section generating a beam learning signal for specifying a beam pattern at the time of the communication based on the second communication mode and transmitting the beam learning signal from the second wireless communication section; a response information acquisition section acquiring response information responding to the transmitted beam learning signal; and a preliminary information generation section generating preliminary information using the second communication mode on the basis of the response information and transmitting the preliminary information from the first wireless communication section. ### Claim 2 (depends on 1) The wireless communication apparatus according to claim 1, wherein the preliminary information generation section includes a communication schedule, which is set not to cause interference in the preliminary information. ### Claim 3 (depends on 2) The wireless communication apparatus according to claim 2, wherein the preliminary information generation section includes a communication schedule, which is set to perform the plurality of wireless communications simultaneously without causing interference in the preliminary information. ### Claim 4 (depends on 2) The wireless communication apparatus according to claim 2, wherein the beam learning signal enables identification as to which beam pattern is used in the transmission thereof, and wherein the second wireless communication section transmits the beam learning signal with the beam pattern based on the beam learning signal in the second communication mode. ### Claim 5 (depends on 2) The wireless communication apparatus according to claim 2, wherein the first wireless communication section simultaneously or separately transmits the preliminary information to a plurality of wireless communications apparatuses. ### Claim 6 (depends on 1) The wireless communication apparatus according to claim 1, wherein a frequency band of the first communication mode is lower than that of the second communication mode. ### Claim 7 A wireless communication apparatus comprising: a first wireless communication section performing wireless communication on the basis of a first communication mode; a second wireless communication section performing wireless communication on the basis of a second communication mode using a different frequency band from the first communication mode; a reception situation monitoring section receiving a beam learning signal transmitted in the second communication mode in order to specify a beam pattern at the time of the communication based on the second communication mode, and monitoring a reception situation for each beam pattern; and a response information generation section generating and transmitting response information on the basis of the monitoring result of the reception situation. ### Claim 8 (depends on 7) The wireless communication apparatus according to claim 7, wherein the response information generation section includes information enabling identification of the beam pattern, by which the reception situation is optimized, in the response information. ### Claim 9 (depends on 7) The wireless communication apparatus according to claim 7, wherein the first wireless communication section includes information, which represents a wireless communication apparatus capable of performing communication, in the response information generated in the response information generation section. ### Claim 10 (depends on 7) The wireless communication apparatus according to claim 7, further comprising a beam learning signal generation section generating a beam learning signal for specifying a beam pattern at the time of the communication based on the second communication mode and transmitting the beam learning signal from the second wireless communication section, wherein the second wireless communication section adds the beam learning signal to the response information generated in the response information generation section, and transmits the response information. ### Claim 11 (depends on 7) The wireless communication apparatus according to claim 7, wherein a frequency band of the first communication mode is lower than that of the second communication mode. ### Claim 12 A wireless communication method comprising the steps of: performing wireless communication on the basis of a first communication mode, by using a first wireless communication section; performing wireless communication on the basis of a second communication mode using a different frequency band from the first communication mode, by using a second wireless communication section; generating a beam learning signal for specifying a beam pattern at the time of the communication based on the second communication mode and transmitting the beam learning signal from the second wireless communication section, by using a beam learning signal generation section; acquiring response information responding to the transmitted beam learning signal, by using a response information acquisition section; and generating preliminary information using the second communication mode on the basis of the response information and transmitting the preliminary information from the first wireless communication section, by using a preliminary information generation section. ### Claim 13 A wireless communication method comprising the steps of: performing wireless communication on the basis of a first communication mode, by using a first wireless communication section; performing wireless communication on the basis of a second communication mode using a different frequency band from the first communication mode, by using a second wireless communication section; receiving a beam learning signal transmitted in the second communication mode in order to specify a beam pattern at the time of the communication based on the second communication mode, and monitoring a reception situation for each beam pattern, by using a reception situation monitoring section; and generating and transmitting response information on the basis of the monitoring result of the reception situation, by using a response information generation section. ### Claim 14 A non-transitory, computer readable medium comprising instructions for causing a computer to execute a communication process in a communication apparatus including a first wireless communication section performing wireless communication on the basis of a first communication mode and a second wireless communication section performing wireless communication on the basis of a second communication mode using a different frequency band from the first communication mode, the computer program causing the computer to function as: means for performing wireless communication on the basis of the first communication mode by using the first wireless communication section; means for performing wireless communication on the basis of the second communication mode using a different frequency band from the first communication mode by using the second wireless communication section; means for generating a beam learning signal for specifying a beam pattern at the time of the communication based on the second communication mode and transmitting the beam learning signal from the second wireless communication section; means for acquiring response information responding to the transmitted beam learning signal; and means for generating preliminary information using the second communication mode on the basis of the response information and transmitting the preliminary information from the first wireless communication section. ### Claim 15 A non-transitory, computer readable medium comprising instructions for causing a computer to execute a communication process in a communication apparatus including a first wireless communication section performing wireless communication on the basis of a first communication mode and a second wireless communication section performing wireless communication on the basis of a second communication mode using a different frequency band from the first communication mode, the computer program causing the computer to function as: means for performing wireless communication on the basis of the first communication mode by using the first wireless communication section; means for performing wireless communication on the basis of the second communication mode using a different frequency band from the first communication mode by using the second wireless communication section; means for receiving a beam learning signal transmitted in the second communication mode in order to specify a beam pattern at the time of the communication based on the second communication mode, and monitoring a reception situation for each beam pattern; and means for generating and transmitting response information on the basis of the monitoring result of the reception situation. ### Claim 16 A communication system comprising a plurality of wireless communication apparatuses that perform communication on the basis of a first communication mode and a second communication mode using a different frequency band from the first communication mode, wherein the plurality of wireless communications apparatus includes a first wireless communication apparatus and a second wireless communication apparatus, wherein the first wireless communication apparatus includes: a first wireless communication section performing wireless communication on the basis of the first communication mode, a second wireless communication section performing wireless communication on the basis of the second communication mode, a beam learning signal generation section generating a beam learning signal for specifying a beam pattern at the time of the communication based on the second communication mode and transmitting the beam learning signal from the second wireless communication section, a response information acquisition section acquiring response information responding to the transmitted beam learning signal, and a preliminary information generation section generating preliminary information using the second communication mode on the basis of the response information and transmitting the preliminary information from the first wireless communication section, and wherein the second wireless communication apparatus includes: a first wireless communication section performing wireless communication on the basis of the first communication mode, a second wireless communication section performing wireless communication on the basis of the second communication mode, a reception situation monitoring section receiving a beam learning signal transmitted in the second communication mode in order to specify a beam pattern at the time of the communication based on the second communication mode, and monitoring a reception situation for each beam pattern, and a response information generation section generating and transmitting response information on the basis of the monitoring result of the reception situation. ### Claim 17 (depends on 1) The wireless communication apparatus according to claim 1, wherein the preliminary information generation section does not cause significant interference among a plurality of wireless communications. ### Claim 18 (depends on 1) The wireless communication apparatus according to claim 1, wherein the preliminary information generation section does not alleviate interference among a plurality of wireless communications. ### Claim 19 (depends on 1) The wireless communication apparatus according to claim 1, wherein the preliminary information generation section alleviates interference among a plurality of wireless communications.