# US 2020/0288494 A1 · Communication network apparatus for uplink scheduling > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2020/0288494 A1 - Document ID: US20200288494A1 - Status: Published application - Kind: A1 - Application number: 16/650,518 - Filed: 2018-09-28 - Published: 2020-09-10 - Earliest claimed: 2017-09-28 - Assignees: Apple Inc. - Applicants: Apple Inc. - Inventors: Youn Hyoung HEO; Bharat SHRESTHA; Yujian ZHANG - Web page: https://patentgrep.com/patent/US20200288494A1 ## CPC - H04W 72/20: Control channels or signalling for resource management - H04W 72/21: in the uplink direction of a wireless link, i.e. towards the network - H04W 72/23: in the downlink direction of a wireless link, i.e. towards a terminal - H04L 5/001: {the frequencies being arranged in component carriers} - 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 An apparatus to be used in a UE in a mobile communication network to communicate with a base station, includes a memory configured to store a RRC message, and processing circuitry configured to decode the RRC message to obtain BWP configuration information and mapping information, identify one or more UL BWPs and one or more DL BWPs within a carrier bandwidth per Serving Cell based on the BWP configuration information, identify one or more SR configurations which a LCH is mapped to for the UL BWPs based on the mapping information, the LCH being mapped to none or one SR configuration for each of the UL BWPs, identify activation of a UL BWP of the UL BWPs, and encode an SR on a PUCCH based on a SR configuration for the UL BWP. ## Claims ### Claim 1 An apparatus to be used in a user equipment (UE) in a mobile communication network to communicate with a base station, comprising: a memory configured to store a Radio Resource Control (RRC) message; and processing circuitry configured to: decode the RRC message to obtain bandwidth part (BWP) configuration information and mapping information; identify one or more uplink (UL) BWPs and one or more downlink (DL) BWPs within a carrier bandwidth per Serving Cell based on the BWP configuration information; identify one or more scheduling request (SR) configurations which a logical channel (LCH) is mapped to for the UL BWPs based on the mapping information, the LCH being mapped to none or one SR configuration for each of the UL BWPs; identify activation of a UL BWP of the UL BWPs; and encode an SR on a Physical Uplink Control Channel (PUCCH) based on a SR configuration for the UL BWP. ### Claim 2 (depends on 1) The apparatus of claim 1, wherein the circuitry is further configured to: decode a first Physical Downlink Control Channel (PDCCH) to obtain first BWP activation/deactivation information; and identify activation of a first UL BWP of the UL BWPs based on the first BWP activation/deactivation information. ### Claim 3 (depends on 2) The apparatus of claim 2, wherein the circuitry is further configured to: decode a second PDCCH to obtain second BWP activation/deactivation information; and identify deactivation of the first UL BWP and activation of a second UL BWP of the UL BWPs. ### Claim 4 (depends on 1) The apparatus of claim 1, wherein the circuitry is further configured to: decode the message to obtain a set of parameters for at least one BWP inactivity timer; and identify the timer per Serving Cell based on the parameters. ### Claim 5 (depends on 4) The apparatus of claim 4, wherein the circuitry is further configured to: decode a PDCCH to identify activation of a DL BWP of the DL BWPs; detect a UL or DL transmission indication on the DL BWP; and start or restart the timer upon detecting the UL or DL transmission indication. ### Claim 6 (depends on 4) The apparatus of claim 4, wherein the circuitry is further configured to: decode a PDCCH to identify activation of a DL BWP of the DL BWPs; determine whether the timer is expired; and deactivate the DL BWP and activate a default DL BWP of the DL BWPs upon the determination that the timer is expired. ### Claim 7 (depends on 1) The apparatus of claim 1, wherein the circuitry is configured to identify a first SR configuration which the LCH is mapped to for a first UL BWP belonging to a first Serving Cell, and a second SR configuration which the LCH is mapped to for a second UL BWP belong to a second Serving Cell, and wherein the first SR configuration is the same as the second SR configuration. ### Claim 8 (depends on 7) The apparatus of claim 7, wherein the circuitry is further configured to: encode the SR on a first PUCCH associated with the first SR configuration for the first UL BWP; and encode the SR on a second PUCCH associated with the second SR configuration for the second UL BWP. ### Claim 9 (depends on 1) The apparatus of claim 1, wherein the circuitry is further configured to: decode the message to obtain a set of parameters for at least one SR prohibit timer, each of the parameters being associated with each of the SR configurations; and identify the timer per SR configuration based on the parameters. ### Claim 10 (depends on 9) The apparatus of claim 9, wherein the circuitry is further configured to identify a first SR prohibit timer for a first SR configuration and a second SR prohibit timer for a second SR configuration, and wherein the first SR prohibit timer runs independently of the second SR prohibit timer. ### Claim 11 (depends on 1) The apparatus of claim 1, wherein the circuitry is further configured to encode a buffer status reporting (BSR) on a Physical Uplink Shared Channel (PUSCH), and wherein the BSR includes a Logical Channel ID (LCID) field indicative of a variable truncated BSR. ### Claim 12 (depends on 1) The apparatus of claim 1, wherein the SR configurations are associated with at least one among a group consisting of a numerology, a transmission time interval (TTI), and a priority of the LCH. ### Claim 13 (depends on 1) The apparatus of claim 1, wherein the circuitry is configured to cause the PUCCH to be transmitted to the base station using the SR configuration. ### Claim 14 An apparatus to be used in a base station in a mobile communication network to communicate with a UE, comprising: a memory configured to store at least one of BWP configuration information or mapping information; and processing circuitry configured to: encode the BWP configuration information associated with one or more UL BWPs and one or more DL BWPs within a carrier bandwidth per Serving Cell in a RRC message; encode the mapping information indicative of a correlation between an LCH and one or more SR configurations for the UL BWPs in the message; encode BWP activation/deactivation information indicating activation of a UL BWP of the UL BWPs; and decode a PUCCH to obtain an SR, the PUCCH being associated with a SR configuration for the UL BWP. ### Claim 15 (depends on 14) The apparatus of claim 14, wherein the circuitry is further configured to encode first BWP activation/deactivation information on a first PDCCH, the BWP activation/deactivation information indicating activation of a first UL BWP of the UL BWPs. ### Claim 16 (depends on 15) The apparatus of claim 15, wherein the circuitry is further configured to encode second BWP activation/deactivation information on a second PDCCH, the second BWP activation/deactivation information indicating deactivation of the first UL BWP and activation of a second UL BWP of the UL BWPs. ### Claim 17 (depends on 14) The apparatus of claim 14, wherein the circuitry is further configured to encode a set of parameters for at least one BWP inactivity timer in the message, the parameters being associated with the timer per Serving Cell. ### Claim 18 (depends on 14) The apparatus of claim 14, wherein the mapping information is indicative of a first SR configuration which the LCH is mapped to for a first UL BWP belonging to a first Serving Cell, and a second SR configuration which the LCH is mapped to for a second UL BWP belonging to a second Serving Cell, and wherein the first SR configuration is the same as the second SR configuration. ### Claim 19 (depends on 18) The apparatus of claim 18, wherein the circuitry is further configured to: decode a first PUCCH associated with the first SR configuration for the first UL BWP to obtain the SR; and decode a second PUCCH associated with the second SR configuration for the second UL BWP to obtain the SR. ### Claim 20 (depends on 14) The apparatus of claim 14, wherein the circuitry is further configured to encode a set of parameters for at least one SR prohibit timer in the message, and wherein each of the parameters being associated with each of the SR configurations. ### Claim 21 (depends on 14) The apparatus of claim 14, wherein the circuitry is further configured to decode a PUSCH to obtain a BSR, and wherein the BSR includes an LCID field indicative of a variable truncated BSR. ### Claim 22 (depends on 14) The apparatus of claim 14, wherein the SR configurations are associated with at least one among a group consisting of a numerology, a TTI, and a priority of the LCH. ### Claim 23 (depends on 14) The apparatus of claim 14, wherein the circuitry is configured to cause the message to be transmitted to the UE.