# US 11,310,673 B2 · Communication apparatus, base station, terminal apparatus, method, program, and a non-transitory computer readable recording medium > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,310,673 B2 - Document ID: US11310673B2 - Status: Granted - Kind: B2 - Application number: 16/963,991 - Filed: 2019-01-24 - Published: 2021-02-04 - Granted: 2022-04-19 - Earliest claimed: 2018-01-29 - Assignees: NEC Corporation - Applicants: NEC Corporation - Inventors: Yoshio Ueda - Web page: https://patentgrep.com/patent/US11310673B2 ## CPC - H04W 16/14: Spectrum sharing arrangements {between different networks} - H04L 5/0064: {Rate requirement of the data, e.g. scalable bandwidth, data priority} - H04L 5/0071: {Allocation based on fairness other than the proportional kind} - H04W 28/24: Negotiating SLA [Service Level Agreement]; Negotiating QoS [Quality of Service] - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) ## Abstract In order to make it possible to provide a good communication service even when unlicensed spectrum is used, a communication apparatus according to an example aspect of the present disclosure includes an information obtaining unit configured to obtain first control information indicating communication service quality for unlicensed spectrum, and a communication processing unit configured to transmit the first control information to a communication node which communicates in a radio access network. ## Claims ### Claim 1 A communication apparatus comprising: a memory storing instructions; and one or more processors configured to execute the instructions to: obtain first control information indicating communication service quality for unlicensed spectrum and second control information regarding which of licensed spectrum and unlicensed spectrum is used; and transmit the first control information and the second control information to a communication node which communicates in a radio access network, wherein the second control information is information generated for a terminal apparatus based on terminal related information related to the terminal apparatus, the terminal related information including quality related information indicating an achievement level of communication service quality for the unlicensed spectrum, the achievement level being a time ratio at which the communication service quality is achieved in the unlicensed spectrum. ### Claim 2 (depends on 1) The communication apparatus according to claim 1, wherein the first control information is one or more quality of service (QoS) parameters for unlicensed spectrum. ### Claim 3 (depends on 2) The communication apparatus according to claim 2, wherein the one or more QoS parameters includes one or more downlink QoS parameters for unlicensed spectrum or one or more uplink QoS parameters for unlicensed spectrum. ### Claim 4 (depends on 2) The communication apparatus according to claim 2, wherein the one or more QoS parameters includes one or more communication bearer level QoS parameters for unlicensed spectrum. ### Claim 5 (depends on 4) The communication apparatus according to claim 4, wherein the one or more communication bearer level QoS parameters includes at least one of a quality class identifier (QCI), an allocation and retention priority (ARP), a guaranteed bitrate (GBR), a maximum bitrate (MBR), a packet delay budget (PDB) and a packet error loss rate (PELR) for unlicensed spectrum. ### Claim 6 (depends on 2) The communication apparatus according to claim 2, wherein the one or more QoS parameters includes an aggregated maximum bitrate (AMBR) for unlicensed spectrum. ### Claim 7 (depends on 1) The communication apparatus according to claim 1, wherein the one or more processors are further configured to execute the instructions to: obtain the first control information and second control information regarding which of licensed spectrum and unlicensed spectrum is used; and transmit the first control information and the second control information to the communication node. ### Claim 8 (depends on 7) The communication apparatus according to claim 7, wherein the second control information is information generated for a terminal apparatus based on terminal related information related to the terminal apparatus. ### Claim 9 (depends on 1) The communication apparatus according to claim 1, wherein the first control information is information generated for a terminal apparatus based on terminal related information related to the terminal apparatus. ### Claim 10 (depends on 8) The communication apparatus according to claim 8, wherein the terminal related information includes preference information on use of unlicensed spectrum, the preference information being provided by the terminal apparatus. ### Claim 11 (depends on 8) The communication apparatus according to claim 8, wherein the terminal related information includes subscriber information on use of unlicensed spectrum, the subscriber information being stored in a core network for the terminal apparatus. ### Claim 12 (depends on 8) The communication apparatus according to claim 8, wherein the terminal related information includes moving speed information indicating a moving speed of at least one of the terminal apparatus and a base station communicating with the terminal apparatus, or location information indicating a location of at least one of the terminal apparatus and the base station. ### Claim 13 (depends on 8) The communication apparatus according to claim 8, wherein the terminal related information includes quality related information related to achievement status of communication service quality for unlicensed spectrum in unlicensed spectrum. ### Claim 14 (depends on 8) The communication apparatus according to claim 8, wherein the terminal related information includes charging information for the terminal apparatus. ### Claim 15 (depends on 8) The communication apparatus according to claim 8, wherein the terminal related information includes traffic information indicating traffic of the terminal apparatus or a bearer of the terminal apparatus in licensed spectrum or unlicensed spectrum. ### Claim 16 (depends on 1) The communication apparatus according to claim 1, wherein the communication apparatus is a core network node, and the communication node is a base station or a terminal apparatus. ### Claim 17 (depends on 1) The communication apparatus according to claim 1, wherein the communication apparatus is an apparatus for operation and maintenance, and the communication node is a base station. ### Claim 18 (depends on 1) The communication apparatus according to claim 1, wherein the communication apparatus is a base station, and the communication node is another base station or a terminal apparatus. ### Claim 19 A base station comprising: a memory storing instructions; and one or more processors configured to execute the instructions to: receive first control information indicating communication service quality for unlicensed spectrum and second control information regarding which of licensed spectrum and unlicensed spectrum is used; and perform, based on the first control information and the second control information, control of radio communication using unlicensed spectrum, wherein the second control information is information generated for a terminal apparatus based on terminal related information related to the terminal apparatus, the terminal related information including quality related information indicating an achievement level of communication service quality for the unlicensed spectrum, the achievement level being a time ratio at which the communication service quality is achieved in the unlicensed spectrum. ### Claim 20 A terminal apparatus comprising: a memory storing instructions; and one or more processors configured to execute the instructions to: receive first control information indicating communication service quality for unlicensed spectrum; and perform, based on the first control information, measurement of achievement level of the communication service quality in unlicensed spectrum, wherein the one or more processors is further configured to execute the instructions to: receive second control information regarding which of licensed spectrum and unlicensed spectrum is used and being generated per communication bearer; and determine, based on the second control information, a spectrum to be used for the communication bearer corresponding to the second control information.