# US 11,122,619 B2 · Channel access priority class selection > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,122,619 B2 - Document ID: US11122619B2 - Status: Granted - Kind: B2 - Application number: 16/088,355 - Filed: 2017-03-21 - Published: 2020-10-01 - Granted: 2021-09-14 - Earliest claimed: 2016-03-25 - Assignees: Telefonaktiebolaget LM Ericsson (publ) - Applicants: Telefonaktiebolaget Lm Ericsson (Publ) - Inventors: Mattias Bergström - Web page: https://patentgrep.com/patent/US11122619B2 ## CPC - H04W 74/0808: using carrier sensing, e.g. carrier sense multiple access [CSMA] - H04W 28/0268: {using specific QoS parameters for wireless networks, e.g. QoS class identifier [QCI] or guaranteed bit rate [GBR] (negotiating SLA or negotiating QoS H04W28/24)} - H04W 74/006: {in the downlink, i.e. towards the terminal} - H04W 16/14: Spectrum sharing arrangements {between different networks} - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract According to certain embodiments, a method in a wireless device comprises determining a mapping between one or more types of traffic and one or more classes and using the mapping to determine which of the classes to use during a procedure for determining whether the wireless device can transmit in a channel. The method further comprises performing the procedure for determining whether the wireless device can transmit in the channel. ## Claims ### Claim 1 A method in a network node, comprising: determining a mapping between one or more types of traffic and one or more classes; and communicating an indicator to a wireless device, wherein the indicator indicates to use the mapping to determine which of the classes to use during a procedure for determining whether the wireless device can transmit in a channel; wherein the one or more classes comprises a first class that the mapping associates with a first type of traffic and a second class that the mapping associates with a second type of traffic; wherein the first class provides a higher likelihood of acquiring the channel than the second class; and wherein the indicator indicates to use the first class for a transmission that includes both the first type of traffic and the second type of traffic. ### Claim 2 (depends on 1) The method of claim 1, wherein the class is a channel access priority class. ### Claim 3 (depends on 1) The method of claim 1, wherein the procedure is a listen-before-talk procedure. ### Claim 4 (depends on 1) The method of claim 1, wherein the mapping associates the one or more classes with one or more bearers, logical channels, or logical channel groups. ### Claim 5 (depends on 1) The method of claim 1, wherein the mapping associates the one or more classes with one or more bearer types. ### Claim 6 (depends on 1) The method of claim 1, wherein the mapping is determined based on quality of service (QoS) requirements. ### Claim 7 (depends on 1) The method of claim 1, wherein the indicator is communicated in response to determining to override a default class. ### Claim 8 (depends on 1) The method of claim 1, wherein the mapping maps at least one of the classes to a type of traffic comprising at least one of: a medium access control (MAC) control element (CE), a certain type of MAC CE, a radio link control (RLC) protocol data unit (PDU), or a packet data convergence protocol (PDCP) control PDU. ### Claim 9 (depends on 1) The method of claim 1, wherein the procedure is a listen-before-talk procedure and listen-before-talk operation is configured for uplink transmissions that use unlicensed spectrum. ### Claim 10 (depends on 1) The method of claim 1, wherein the procedure is a listen-before-talk procedure and listen-before-talk operation is configured for uplink transmissions that use a secondary carrier of a carrier aggregation configuration, the secondary carrier configured for the uplink transmissions that use unlicensed spectrum. ### Claim 11 (depends on 1) The method of claim 1, wherein the indicator is communicated via radio resource control (RRC) signaling. ### Claim 12 A method in a wireless device, comprising: determining a mapping between one or more types of traffic and one or more classes; using the mapping to determine which of the classes to use during a procedure for determining whether the wireless device can transmit in a channel; and performing the procedure for determining whether the wireless device can transmit in the channel; wherein the one or more classes comprises a first class that the mapping associates with a first type of traffic and a second class that the mapping associates with a second type of traffic; wherein the first class provides a higher likelihood of acquiring the channel than the second class; and wherein the indicator indicates to use the first class for a transmission that includes both the first type of traffic and the second type of traffic. ### Claim 13 (depends on 12) The method of claim 12, wherein the class is a channel access priority class. ### Claim 14 (depends on 12) The method of claim 12, wherein the procedure is a listen-before-talk procedure. ### Claim 15 (depends on 12) The method of claim 12, wherein the mapping associates the one or more classes with one or more bearers, logical channels, or logical channel groups. ### Claim 16 (depends on 12) The method of claim 12, wherein the mapping associates the one or more classes with one or more bearer types. ### Claim 17 (depends on 12) The method of claim 12, wherein the mapping maps at least one of the classes to a type of traffic comprising at least one of: a medium access control (MAC) control element (CE), a certain type of MAC CE, a radio link control (RLC) protocol data unit (PDU), or a packet data convergence protocol (PDCP) control PDU. ### Claim 18 (depends on 12) The method of claim 12, wherein the procedure is a listen-before-talk procedure and listen-before-talk operation is configured for uplink transmissions that use unlicensed spectrum. ### Claim 19 (depends on 12) The method of claim 12, wherein the procedure is a listen-before-talk procedure and listen-before-talk operation is configured for uplink transmissions that use a secondary carrier of a carrier aggregation configuration, the secondary carrier configured for the uplink transmissions that use unlicensed spectrum. ### Claim 20 (depends on 12) The method of claim 12, wherein the mapping is determined based at least in part on an indicator received from a network node. ### Claim 21 (depends on 20) The method of claim 20, wherein the indicator is received via radio resource control (RRC) signaling. ### Claim 22 (depends on 12) The method of claim 12, wherein the mapping is determined based on quality of service (QoS) requirements. ### Claim 23 A network node comprising processing circuitry operable to: determine a mapping between one or more types of traffic and one or more classes; and communicate an indicator to a wireless device, wherein the indicator indicates to use the mapping to determine which of the classes to use during a procedure for determining whether the wireless device can transmit in a channel; wherein the one or more classes comprises a first class that the mapping associates with a first type of traffic and a second class that the mapping associates with a second type of traffic; wherein the first class provides a higher likelihood of acquiring the channel than the second class; and wherein the indicator indicates to use the first class for a transmission that includes both the first type of traffic and the second type of traffic. ### Claim 24 (depends on 23) The network node of claim 23, wherein the class is a channel access priority class. ### Claim 25 (depends on 23) The network node of claim 23, wherein the procedure is a listen-before-talk procedure. ### Claim 26 (depends on 23) The network node of claim 23, wherein the mapping associates the one or more classes with one or more bearers, logical channels, or logical channel groups. ### Claim 27 (depends on 23) The network node of claim 23, wherein the mapping associates the one or more classes with one or more bearer types. ### Claim 28 (depends on 23) The network node of claim 23, wherein the mapping is determined based on quality of service (QoS) requirements. ### Claim 29 (depends on 23) The network node of claim 23, wherein the indicator is communicated in response to determining to override a default class. ### Claim 30 (depends on 23) The network node of claim 23, wherein the mapping maps at least one of the classes to a type of traffic comprising at least one of: a medium access control (MAC) control element (CE), a certain type of MAC CE, a radio link control (RLC) protocol data unit (PDU), or a packet data convergence protocol (PDCP) control PDU. ### Claim 31 (depends on 23) The network node of claim 23, wherein the procedure is a listen-before-talk procedure and listen-before-talk operation is configured for uplink transmissions that use unlicensed spectrum. ### Claim 32 (depends on 23) The network node of claim 23, wherein the procedure is a listen-before-talk procedure and listen-before-talk operation is configured for uplink transmissions that use a secondary carrier of a carrier aggregation configuration, the secondary carrier configured for the uplink transmissions that use unlicensed spectrum. ### Claim 33 (depends on 23) The network node of claim 23, wherein the indicator is communicated via radio resource control (RRC) signaling. ### Claim 34 A wireless device comprising processing circuitry operable to: determine a mapping between one or more types of traffic and one or more classes; use the mapping to determine which of the classes to use during a procedure for determining whether the wireless device can transmit in a channel; and perform the procedure for determining whether the wireless device can transmit in the channel; wherein the one or more classes comprises a first class that the mapping associates with a first type of traffic and a second class that the mapping associates with a second type of traffic; wherein the first class provides a higher likelihood of acquiring the channel than the second class; and wherein the indicator indicates to use the first class for a transmission that includes both the first type of traffic and the second type of traffic. ### Claim 35 (depends on 34) The wireless device of claim 34, wherein the class is a channel access priority class. ### Claim 36 (depends on 34) The wireless device of claim 34, wherein the procedure is a listen-before-talk procedure. ### Claim 37 (depends on 34) The wireless device of claim 34, wherein the mapping associates the one or more classes with one or more bearers, logical channels, or logical channel groups. ### Claim 38 (depends on 34) The wireless device of claim 34, wherein the mapping associates the one or more classes with one or more bearer types. ### Claim 39 (depends on 34) The wireless device of claim 34, wherein the mapping maps at least one of the classes to a type of traffic comprising at least one of: a medium access control (MAC) control element (CE), a certain type of MAC CE, a radio link control (RLC) protocol data unit (PDU), or a packet data convergence protocol (PDCP) control PDU. ### Claim 40 (depends on 34) The wireless device of claim 34, wherein the procedure is a listen-before-talk procedure and listen-before-talk operation is configured for uplink transmissions that use unlicensed spectrum. ### Claim 41 (depends on 34) The wireless device of claim 34, wherein the procedure is a listen-before-talk procedure and listen-before-talk operation is configured for uplink transmissions that use a secondary carrier of a carrier aggregation configuration, the secondary carrier configured for the uplink transmissions that use unlicensed spectrum. ### Claim 42 (depends on 34) The wireless device of claim 34, wherein the mapping is determined based at least in part on an indicator received from a network node. ### Claim 43 (depends on 42) The wireless device of claim 42, wherein the indicator is received via radio resource control (RRC) signaling. ### Claim 44 (depends on 34) The wireless device of claim 34, wherein the mapping is determined based on quality of service (QoS) requirements.