# US 12,015,931 B2 · Electronic device and method for wireless communication, and computer readable storage medium > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,015,931 B2 - Document ID: US12015931B2 - Status: Granted - Kind: B2 - Application number: 18/215,829 - Filed: 2023-06-29 - Published: 2023-10-19 - Granted: 2024-06-18 - Earliest claimed: 2018-05-17 - Assignees: Sony Group Corporation - Applicants: Sony Group Corporation - Inventors: Song Wang; Qimei Cui; Tao Cui; Yuxuan Xie; Huiling Zuo - Web page: https://patentgrep.com/patent/US12015931B2 ## CPC - H04W 4/40: for vehicles, e.g. vehicle-to-pedestrians [V2P] - H04W 16/14: Spectrum sharing arrangements {between different networks} - H04B 7/0413: MIMO systems - H04L 5/0053: {Allocation of signalling, i.e. of overhead other than pilot signals} - H04W 4/024: Guidance services - H04W 4/06: Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services - H04W 48/12: using downlink control channel - H04W 48/16: Discovering, processing access restriction or access information - H04W 72/0453: Resources in frequency domain, e.g. a carrier in FDMA - H04W 74/0808: using carrier sensing, e.g. carrier sense multiple access [CSMA] - H04L 5/0085: {when channel conditions change} - H04W 4/70: Services for machine-to-machine communication [M2M] or machine type communication [MTC] - H04W 24/08: Testing, {supervising or monitoring} using real traffic - H04W 88/08: Access point devices - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - H04B: TRANSMISSION - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) ## Abstract Provided are an electronic device and a method for wireless communication, and a computer readable storage medium, the electronic device comprising: a processing circuit, configured to: perform periodic channel detection for a plurality of unlicensed channels in an unlicensed band according to a first period; and respectively send master system information blocks MIB having the same content to user devices over at least some of the available unlicensed channels in the unlicensed band indicated by the channel detection results, the MIBs comprising part of the minimum system information. ## Claims ### Claim 1 An electronic apparatus for wireless communications, comprising: processing circuitry, configured to perform periodical channel detection on one or more unlicensed channels on an unlicensed frequency band at a first period; and transmit, on each of at least a part of unlicensed channels of which channel detection results indicate that the unlicensed channels are available, for one or more times consecutively within one first period, a master information block (MIB) with the same content to user equipment, respectively, the MIB comprising a part of minimum system information. ### Claim 2 (depends on 1) The electronic apparatus according to claim 1, wherein the processing circuitry is configured to transmit the MIB via a physical broadcast channel. ### Claim 3 (depends on 1) The electronic apparatus according to claim 1, wherein the processing circuitry is further configured to: perform periodical channel detection on a particular unlicensed channel at a second period; and transmit, on the particular unlicensed channel, remaining minimum system information (RMSI) in a case that a channel detection result indicates that the particular unlicensed channel is available. ### Claim 4 (depends on 3) The electronic apparatus according to claim 3, wherein the MIB comprises information indicating a receiving window for the RMSI. ### Claim 5 (depends on 3) The electronic apparatus according to claim 3, wherein the processing circuitry is further configured to transmit the RMSI on the particular unlicensed channel for one or more times consecutively within one second period. ### Claim 6 (depends on 5) The electronic apparatus according to claim 5, wherein information of the number of times for transmitting the RMSI within one second period is comprised in the MIB. ### Claim 7 (depends on 3) The electronic apparatus according to claim 3, wherein the processing circuitry is further configured to adjust the second period based on utilization status of the particular unlicensed channel, and comprise information about adjusting of the second period in the MIB. ### Claim 8 (depends on 7) The electronic apparatus according to claim 7, wherein the utilization status of the particular unlicensed channel comprises one or more of the following: the number of times for transmitting the RMSI successfully in a predetermined time period; and time elapsed since last time transmitting the RMSI successfully. ### Claim 9 (depends on 3) The electronic apparatus according to claim 3, wherein the processing circuitry is configured to transmit the RMSI via a physical downlink share channel. ### Claim 10 (depends on 3) The electronic apparatus according to claim 3, wherein the RMSI comprises information indicating different contents comprised in a synchronization signal block. ### Claim 11 An electronic apparatus for wireless communications, comprising: processing circuitry, configured to determine a period for detecting a master information block (MIB); detect one or more unlicensed channels on an unlicensed frequency band at the period to acquire the MIB, wherein the one or more MIBs on the one or more unlicensed channels have the same content, and the MIB comprises a part of minimum system information; determine, based on the acquired MIB, a receiving window for receiving remaining minimum system information (RMSI); and conduct search on a particular unlicensed channel within the receiving window to receive the RMSI. ### Claim 12 (depends on 11) The electronic apparatus according to claim 11, wherein the processing circuitry is configured to determine the period according to one or more of the following: a transmitting period of the MIB, a quantity of electricity of user equipment where the electronic apparatus is located. ### Claim 13 (depends on 11) The electronic apparatus according to claim 11, wherein there exist a plurality of consecutive MIBs with the same content in one transmitting period of the MIB. ### Claim 14 (depends on 11) The electronic apparatus according to claim 11, wherein the MIB further comprises a transmitting period of the RMSI and the number of times N for transmitting the RMSI in one transmitting period, and the processing circuitry is configured to receive the RMSI for N times within the receiving window a length of which equals to the transmitting period of the RMSI, N being a positive integer. ### Claim 15 (depends on 11) The electronic apparatus according to claim 11, wherein the MIB further comprises information of adjusting of a transmitting period of the RMSI and/or information of adjusting of a transmitting period of the MIB, and the processing circuitry is configured to receive the RMSI or the MIB based on the adjusted transmitting period. ### Claim 16 A communication method, comprising: performing periodical channel detection on one or more unlicensed channels on an unlicensed frequency band at a first period; and transmitting, on each of at least a part of unlicensed channels of which channel detection results indicate that the unlicensed channels are available, for one or more times consecutively within one first period, a master information block (MIB) with the same content to user equipment, respectively, the MIB comprising a part of minimum system information.