# US 2019/0174512 A1 · Terminal device, integrated circuit, and wireless communication method > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0174512 A1 - Document ID: US20190174512A1 - Status: Published application - Kind: A1 - Application number: 16/260,944 - Filed: 2019-01-29 - Published: 2019-06-06 - Earliest claimed: 2014-03-20 - Assignees: Sharp Kabushiki Kaisha - Applicants: Sharp Kabushiki Kaisha - Inventors: Hiroki TAKAHASHI; Shoichi SUZUKI; Tatsushi AIBA; Kazunari YOKOMAKURA - Web page: https://patentgrep.com/patent/US20190174512A1 ## CPC - H04W 72/569: {of the traffic information} - 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 72/56: based on priority criteria - H04L 69/12: Protocol engines - H04W 80/02: Data link layer protocols - 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 According to the present invention, there is provided a terminal device that transmits a signal to a base station apparatus through uplink, the terminal device including: an information generation unit that considers a priority level for multiple MAC control elements in the logical channel prioritization procedure for the uplink, in a case where initial transmission is performed, in which at least a first MAC control element and a second MAC control element are included in the multiple MAC control elements, in which the first MAC control element provides the base station apparatus with information on an amount of first data available for transmission within a first buffer for the uplink, in which the second MAC control element provides the base station apparatus with information on amount of second data available for transmission within a second buffer for a first link that is used for communication between the terminal device and a different terminal device, and in which the first MAC control element has a higher priority level than the second MAC control element except when being included for padding. ## Claims ### Claim 1 A terminal device configured to communicate with a base station apparatus through uplink, the terminal device comprising: information generation circuitry configured to perform a logical channel prioritization procedure for the uplink in a case that new transmission is performed, and for the logical channel prioritization procedure, take into account priorities of a plurality of MAC control elements; and transmission circuitry configured to perform the new transmission based on a result of the logical channel prioritization procedure, wherein the plurality of MAC control elements includes a first MAC control element and a second MAC control element, the first MAC control element is used for a Buffer Status Report (BSR) for the uplink, the second MAC control element is used for a BSR for a first link that is used for direct communication between the terminal device and another terminal device, and for the logical channel prioritization procedure, except in a case that the first MAC control element is included for padding, the first MAC control element is higher in priority than the second MAC control element. ### Claim 2 (depends on 1) The terminal device according to claim 1, wherein the second MAC control element is higher in priority than the first MAC control element that is included for the padding, except in a case that the second MAC control element is included for the padding. ### Claim 3 (depends on 1) The terminal device according to claim 1, wherein the second MAC control element that is included for the padding is lower in priority than the first MAC control element. ### Claim 4 (depends on 1) The terminal device according to claim 1, wherein the plurality of MAC control elements includes a third MAC control element that is used to provide the base station apparatus with a power headroom report, and the third MAC control element is higher in priority than the second MAC control element. ### Claim 5 (depends on 4) The terminal device according to claim 4, wherein the first MAC control element is higher priority than the third MAC control element, except in a case that the first MAC control element is included for the padding. ### Claim 6 An integrated circuit mountable on a terminal device configured to communicate with a base station apparatus through uplink, the integrated circuit causing the terminal device to perform at least functions of: performing a logical channel prioritization procedure for the uplink in a case that new transmission is performed; for the logical channel prioritization procedure, taking into account priorities of a plurality of MAC control elements; and performing the new transmission based on a result of the logical channel prioritization procedure, wherein the plurality of MAC control elements includes a first MAC control element and a second MAC control element, the first MAC control element is used for a Buffer Status Report (BSR) for the uplink, the second MAC control element is used for a BSR for a first link that is used for direct communication between the terminal device and another terminal device, and for the logical channel prioritization procedure, except in a case that the first MAC control element is included for padding, the first MAC control element is higher in priority than the second MAC control element. ### Claim 7 (depends on 6) The integrated circuit according to claim 6, wherein the second MAC control element is higher in priority than the first MAC control element that is included for the padding, except in a case that the second MAC control element is included for the padding. ### Claim 8 (depends on 6) The integrated circuit according to claim 6, wherein the second MAC control element that is included for the padding is lower in priority than the first MAC control element. ### Claim 9 (depends on 6) The integrated circuit according to claim 6, wherein the plurality of MAC control elements includes a third MAC control element that is used to provide the base station apparatus with a power headroom report, and the third MAC control element is higher in priority than the second MAC control element. ### Claim 10 (depends on 9) The integrated circuit according to claim 9, wherein the first MAC control element is higher in priority than the third MAC control element, except in a case that the first MAC control element is included for the padding. ### Claim 11 A wireless communication method for a terminal device configured to communicate with a base station apparatus through uplink, the wireless communication method comprising: performing a logical channel prioritization procedure for the uplink in a case that new transmission is performed; for the logical channel prioritization procedure, taking into account priorities of a plurality of MAC control elements; and performing the new transmission based on a result of the logical channel prioritization procedure, wherein the plurality of MAC control elements includes a first MAC control element and a second MAC control element, the first MAC control element is used for a Buffer Status Report (BSR) for the uplink, the second MAC control element is used for a BSR for a first link that is used for direct communication between the terminal device and another terminal device, and for the logical channel prioritization procedure, except in a case that the first MAC control element is included for padding, the first MAC control element is higher in priority than the second MAC control element. ### Claim 12 (depends on 11) The wireless communication method according to claim 11, wherein the second MAC control element is higher in priority than the first MAC control element that is included for the padding, except in a case that the second MAC control element is included for the padding. ### Claim 13 (depends on 11) The wireless communication method according to claim 11, wherein the second MAC control element that is included for the padding is lower in priority than the first MAC control element. ### Claim 14 (depends on 11) The wireless communication method according to claim 11, wherein the plurality of MAC control elements includes a third MAC control element that is used to provide the base station apparatus with a power headroom report, and the third MAC control element is higher in priority than the second MAC control element. ### Claim 15 (depends on 14) The wireless communication method according to claim 14, wherein the first MAC control element is higher in priority than the third MAC control element, except in a case that the first MAC control element is included for the padding.