# US 2018/0324639 A1 · Indication for a transport block > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2018/0324639 A1 - Document ID: US20180324639A1 - Status: Published application - Kind: A1 - Application number: 15/584,988 - Filed: 2017-05-02 - Published: 2018-11-08 - Earliest claimed: 2017-05-02 - Assignees: Motorola Mobility LLC - Applicants: Motorola Mobility LLC - Inventors: Joachim Loehr; Prateek Basu Mallick; Ravi Kuchibhotla - Web page: https://patentgrep.com/patent/US20180324639A1 ## CPC - H04W 28/06: Optimizing {the usage of the radio link}, e.g. header compression, information sizing {, discarding information (system modifying transmission characteristic according to link quality by modifying frame length H04L1/0007; dynamic adaptation of the packet size for flow control or congestion control H04L47/365)} - H04L 1/0083: {Formatting with frames or packets; Protocol or part of protocol for error control} - H04L 47/36: by determining packet size, e.g. maximum transfer unit [MTU] - H04W 48/00: Access restriction (access security to prevent unauthorised access H04W12/08); Network selection; Access point selection - 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 Apparatuses, methods, and systems are transmitting and/or receiving an indication for a transport block. One apparatus includes a processor that determines whether a size of a transport block is greater than a predetermined threshold. The apparatus includes a transmitter that, in response to the size of the transport block being greater than the predetermined threshold, transmits an indication that identifies whether a medium access control control element is at an end of the transport block. ## Claims ### Claim 1 An apparatus comprising: a processor that determines whether a size of a transport block is greater than a predetermined threshold; and a transmitter that, in response to the size of the transport block being greater than the predetermined threshold, transmits an indication that identifies whether a medium access control control element is at an end of the transport block. ### Claim 2 (depends on 1) The apparatus of claim 1, wherein the transport block comprises a medium access control protocol data unit. ### Claim 3 (depends on 1) The apparatus of claim 1, wherein the indication identifies a location in the transport block. ### Claim 4 (depends on 3) The apparatus of claim 3, wherein the location is a beginning location of medium access control control elements. ### Claim 5 (depends on 4) The apparatus of claim 4, wherein the beginning location of medium access control control elements is positioned after medium access control service data units in the transport block. ### Claim 6 (depends on 1) The apparatus of claim 1, further comprising a receiver that receives a message indicating the predetermined threshold. ### Claim 7 (depends on 6) The apparatus of claim 6, wherein the message is a system information message. ### Claim 8 (depends on 1) The apparatus of claim 1, wherein the predetermined threshold is determined based on a specification. ### Claim 9 (depends on 1) The apparatus of claim 1, wherein the transmitter transmits the indication at a beginning of the transport block. ### Claim 10 (depends on 1) The apparatus of claim 1, wherein the transmitter transmits the indication at an end of the transport block. ### Claim 11 (depends on 1) The apparatus of claim 1, wherein medium access control subheaders are positioned before medium access control control elements in the transport block. ### Claim 12 (depends on 1) The apparatus of claim 1, wherein medium access control subheaders are positioned after medium access control control elements in the transport block. ### Claim 13 (depends on 1) The apparatus of claim 1, wherein the transmitter, in response to the size of the transport block being less than the predetermined threshold, does not transmit the indication. ### Claim 14 (depends on 1) The apparatus of claim 1, wherein medium access control headers comprise a length field that indicates a length of information corresponding to a respective medium access control subheader. ### Claim 15 (depends on 14) The apparatus of claim 14, wherein a length of padding is not indicated by a corresponding medium access control subheader. ### Claim 16 (depends on 1) The apparatus of claim 1, wherein the transport block comprises padding between medium access control service data units and medium access control control elements. ### Claim 17 A method comprising: determining whether a size of a transport block is greater than a predetermined threshold; and transmitting, in response to the size of the transport block being greater than the predetermined threshold, an indication that identifies whether a medium access control control element is at an end of the transport block. ### Claim 18 An apparatus comprising: a receiver that, in response to a size of a transport block being greater than a predetermined threshold, receives an indication that identifies whether a medium access control control element is at an end of the transport block. ### Claim 19 (depends on 18) The apparatus of claim 18, further comprising a transmitter that transmits a message indicating the predetermined threshold. ### Claim 20 (depends on 18) The apparatus of claim 18, wherein the receiver, in response to the size of the transport block being less than the predetermined threshold, does not receive the indication.