# US 10,455,578 B2 · Apparatus, method, and computer program for frequency band selection > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,455,578 B2 - Document ID: US10455578B2 - Status: Granted - Kind: B2 - Application number: 15/349,458 - Filed: 2016-11-11 - Published: 2017-05-18 - Granted: 2019-10-22 - Earliest claimed: 2015-11-12 - Assignees: Volkswagen Aktiengesellschaft - Applicants: Volkswagen AG - Inventors: Matthias Mohaupt; Sascha Jurthe - Web page: https://patentgrep.com/patent/US10455578B2 ## CPC - H04W 72/0453: Resources in frequency domain, e.g. a carrier in FDMA - H04W 4/40: for vehicles, e.g. vehicle-to-pedestrians [V2P] - H04W 16/14: Spectrum sharing arrangements {between different networks} - H04W 36/06: Reselecting a communication resource in the serving access point - H04W 36/14: Reselecting a network or an air interface - H04W 72/23: in the downlink direction of a wireless link, i.e. towards a terminal - H04W 84/12: WLAN [Wireless Local Area Networks] - H04W 88/06: adapted for operation in multiple networks {or having at least two operational modes}, e.g. multi-mode terminals - H04W 88/10: adapted for operation in multiple networks, e.g. multi-mode access points - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract Apparatuses, a method, and a computer program for influencing the selection of a frequency band for wireless communication with a mobile station. Disclosed is an apparatus, method, and computer program for controlling a frequency band selection for wireless communication with a mobile station in a wireless local area network—WLAN—, wherein at least a first and a second frequency band are selectable, the first and second frequency bands each having multiple transmission channels; and having a transmission circuit for transmitting at least one command to the mobile station that asks the mobile station to change from the first to the second frequency band, or vice versa. ## Claims ### Claim 1 An apparatus for controlling a frequency band selection for wireless communication with a mobile station in a wireless local area network, wherein at least a first and a second frequency band are selectable, wherein the first and second frequency bands each comprise a multiplicity of transmission channels; the apparatus comprising: a transmission circuit for receiving an association request in a first frequency band from the mobile station for wireless communication in the first frequency band, and for confirming the association request with an association response and interchanging data with the mobile station in the first frequency band by transmitting at least one command to the mobile station that asks the mobile station to change from the first to the second frequency band, a provision circuit for providing results of a Dynamic Host Configuration Protocol procedure between the mobile station and the apparatus before the change from the first to the second frequency band, that continue to be used after the change from the first to the second frequency band, and a control circuit connected to a two-way circuit, which stores an identifier of the mobile station and frequency band aspects specific to the mobile station so that a change of frequency band that is not possible for the mobile station is prevented from being repeatedly initiated. ### Claim 2 (depends on 1) The apparatus of claim 1, wherein the provision circuit provides results of an authentication and/or an association between the mobile station and the apparatus that continue to be used after the change from the first to the second frequency band. ### Claim 3 (depends on 1) The apparatus of claim 1, wherein the control circuit arranges a media access control between the mobile station and the apparatus after the change from the first to the second frequency band. ### Claim 4 (depends on 1) The apparatus of claim 1, wherein the two-way circuit maintains the arranged association between the apparatus and the mobile station if it is not possible to implement the change from the first to the second frequency band. ### Claim 5 A motor vehicle including an apparatus for controlling a frequency band selection for wireless communication with a mobile station in a wireless local area network, wherein at least a first and a second frequency band are selectable, wherein the first and second frequency bands each comprise a multiplicity of transmission channels; the apparatus comprising: a transmission circuit for transmitting at least one command to the mobile station that asks the mobile station to change a data exchange connection with the apparatus from the first to the second frequency band, and a provision circuit for providing results of a Dynamic Host Configuration Protocol procedure between the mobile station and the apparatus before the change from the first to the second frequency band, that continue to be used after the change from the first to the second frequency band, and a control circuit connected to a two-way circuit, which stores an identifier of the mobile station and frequency band aspects specific to the mobile station so that a change of frequency band that is not possible for the mobile station is prevented from being repeatedly initiated, wherein the apparatus is arranged so that the whole interior of the motor vehicle is available for spatial positioning of the mobile station for a communication with the apparatus. ### Claim 6 (depends on 5) The motor vehicle of claim 5, wherein the provision circuit provides results of an authentication and/or an association between the mobile station and the apparatus that continue to be used after the change from the first to the second frequency band. ### Claim 7 (depends on 5) The motor vehicle of claim 5, wherein the control circuit arranges a media access control between the mobile station and the apparatus after the change from the first to the second frequency band. ### Claim 8 (depends on 5) The motor vehicle of claim 5, wherein the two-way circuit maintains the arranged association between the apparatus and the mobile station if it is not possible to implement the change from the first to the second frequency band. ### Claim 9 A mobile station for a frequency band selection for wireless communication with an apparatus in a wireless local area network, wherein at least a first and a second frequency band are selectable, wherein the first and second frequency bands each comprise a multiplicity of transmission channels; the mobile station comprising: a transmission circuit for sending an association request in the first frequency band for wireless communication in the first frequency band to the apparatus; a reception circuit for receiving at least one command from the apparatus and confirming the association request with an association response and interchanging data with the mobile station in the first frequency band, that asks the mobile station to change a data exchange connection with the apparatus from the first to the second frequency band; a provision circuit for providing results of a Dynamic Host Configuration Protocol procedure between the mobile station and the apparatus before the change from the first to the second frequency band, that continue to be used after the change from the first to the second frequency band; and a control circuit connected to a two-way circuit, which stores an identifier of the mobile station and frequency band aspects specific to the mobile station so that a change of frequency band that is not possible for the mobile station is prevented from being repeatedly initiated. ### Claim 10 (depends on 9) The mobile station of claim 9, wherein the provision circuit provides results, ascertained before the change from the first to the second frequency band, of an authentication and/or an association between the mobile station and the apparatus that continue to be used after the change from the first to the second frequency band. ### Claim 11 (depends on 9) The mobile station of claim 9, wherein the control circuit arranges a media access control between the mobile station and the apparatus after the change from the first to the second frequency. ### Claim 12 (depends on 9) The mobile station of claim 9, wherein the two-way circuit maintains the arranged association between apparatus and mobile station if it is not possible to implement the change from the first to the second frequency band. ### Claim 13 A system for controlling a frequency band selection for wireless communication in a wireless local area network with an apparatus and a mobile station, the apparatus controlling a frequency band selection for wireless communication with a mobile station in a wireless local area network, wherein at least a first and a second frequency band are selectable, wherein the first and second frequency bands each comprise a multiplicity of transmission channels; the apparatus comprising: a transmission circuit for transmitting at least one command to the mobile station that asks the mobile station to change from the first to the second frequency band, and a provision circuit for providing results, ascertained before the change from the first to the second frequency band, of a Dynamic Host Configuration Protocol procedure between the mobile station and the apparatus that continue to be used after the change from the first to the second frequency band, or vice versa, and a mobile station for a frequency band selection for wireless communication with an apparatus in a wireless local area network, wherein at least a first and a second frequency band are selectable, wherein the first and second frequency bands each comprise a multiplicity of transmission channels, wherein the mobile station comprises a transmission circuit for sending an association request in a first frequency band for wireless communication in the first frequency band to the apparatus, and a reception circuit for receiving at least one command from the apparatus that asks the mobile station to change a data exchange connection with the apparatus from the first to the second frequency band, and a provision circuit for providing results of a Dynamic Host Configuration Protocol procedure between the mobile station and the apparatus before the change from the first to the second frequency band, that continue to be used after the change from the first to the second frequency band, and wherein the apparatus further comprises a control circuit connected to a two-way circuit, which stores an identifier of the mobile station and frequency band aspects specific to the mobile station so that a change of frequency band that is not possible for the mobile station is prevented from being repeatedly initiated. ### Claim 14 (depends on 13) The system of claim 13, wherein each provision circuit provides results of an authentication and/or an association between the mobile station and the apparatus that continue to be used after the change from the first to the second frequency band. ### Claim 15 (depends on 13) The system of claim 13, wherein the control circuit arranges a media access control between the mobile station and the apparatus after the change from the first to the second frequency band. ### Claim 16 (depends on 13) The system of claim 13, wherein the two-way circuit maintains the arranged association between the apparatus and the mobile station if it is not possible to implement the change from the first to the second frequency band. ### Claim 17 (depends on 13) The system of claim 13, wherein each provision circuit provides results, ascertained before the change from the first to the second frequency band, of an authentication and/or an association between the mobile station and the apparatus that continue to be used after the change from the first to the second frequency band. ### Claim 18 (depends on 13) The system of claim 13, wherein the mobile station further comprises a control circuit for arranging a media access control between the mobile station and the apparatus after the change from the first to the second frequency band. ### Claim 19 (depends on 13) The system of claim 13, wherein mobile station further comprises a two-way circuit for maintaining the arranged association between apparatus and mobile station if it is not possible to implement the change from the first to the second frequency band. ### Claim 20 A method for controlling a frequency band selection for wireless communication by an apparatus with a mobile station in a wireless local area network, wherein at least a first and a second frequency band are selectable, the first and second frequency bands each comprising a multiplicity of transmission channels; the method comprising: receiving an association request from the mobile station in a first frequency band for wireless communication in the first frequency band, establishing a data exchange connection between the mobile station and the apparatus in the first frequency band, transmitting at least one command to the mobile station that asks the mobile station to change a data exchange connection with the apparatus from the first to the second frequency band; and providing results-of a Dynamic Host Configuration Protocol procedure between the mobile station and the apparatus for use after the change from the first to the second frequency band, and storing an identifier of the mobile station and frequency band aspects specific to the mobile station so that a change of frequency band that is not possible for the mobile station is prevented from being repeatedly commanded. ### Claim 21 (depends on 20) The method of claim 20, wherein results, ascertained before the change from the first to the second frequency band, or vice versa, of an association and/or an authentication between the mobile station and the apparatus are provided for use after the change from the first to the second frequency band. ### Claim 22 (depends on 20) The method of claim 20, wherein an arrangement of a media access control between the mobile station and the apparatus is made again after the change from the first to the second frequency band. ### Claim 23 (depends on 20) The method of claim 20, wherein, if it is not possible to implement the change from the first to the second frequency band, then the association between apparatus and mobile station that was arranged before the command to change from the first to the second frequency band, is maintained. ### Claim 24 A non-transitory computer program product comprising a computer executable program for performing a method for controlling a frequency band selection for wireless communication by an apparatus with a mobile station in a wireless local area network, wherein at least a first and a second frequency band are selectable, the first and second frequency bands each comprising a multiplicity of transmission channels; the method comprising: receiving an association request from the mobile station for wireless communication in a first frequency band and establishing a data exchange connection in the first frequency band, transmitting at least one command to the mobile station that asks the mobile station to change a data exchange connection with the apparatus from the first to the second frequency band; providing results, of a Dynamic Host Configuration Protocol procedure between the mobile station and the apparatus for use after the change from the first to the second frequency band, wherein the computer program runs on a programmable hardware component, and storing an identifier of the mobile station and frequency band aspects specific to the mobile station so that a change of frequency band that is not possible for the mobile station is prevented from being repeatedly commanded.