# US 12,224,962 B2 · Method and apparatus for wireless communication using modulation, coding schemes, and transport block sizes > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,224,962 B2 - Document ID: US12224962B2 - Status: Granted - Kind: B2 - Application number: 18/453,501 - Filed: 2023-08-22 - Published: 2023-12-07 - Granted: 2025-02-11 - Earliest claimed: 2017-06-23 - Assignees: Samsung Electronics Co., Ltd. - Applicants: Samsung Electronics Co., Ltd. - Inventors: Jeong-Hun Kim; Yang-soo Kwon; Min-goo Kim; In-hyoung Kim; Joo-hyun Do - Web page: https://patentgrep.com/patent/US12224962B2 ## CPC - H04L 5/0053: {Allocation of signalling, i.e. of overhead other than pilot signals} - 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} - H04L 27/0012: {arrangements for identifying the type of modulation} - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract A method of processing a signal received over a wireless link may utilize sharing of Modulation and Coding Scheme (MCS) and Transport Block Size (TBS) data. At least one parameter is obtained including a sub-carrier spacing of a transport format. A modulation order and a transport block size may be detected, based on the at least one parameter. The signal received over the wireless link is then processed, based on the detected modulation order and the transport block size. An apparatus may perform the embodiments of the method to process the received signal. ## Claims ### Claim 1 A method of processing a signal received over a wireless link, the method comprising: obtaining, by a user equipment, downlink control information; extracting a field corresponding to an adjustment indicator, the field including a plurality of bits indicating a change amount of a modulation order, and/or a plurality of bits indicating a change amount of a transport block size index from the downlink control information; identifying the adjustment indicator from the extracted field; updating at least one of the modulation order and the transport block size index by reflecting the respective change amount to the at least one of the modulation order and the transport block size index in response to the identified adjustment indicator; and processing the received signal, based on at least one of the updated modulation order and the updated transport block size index. ### Claim 2 (depends on 1) The method of claim 1, wherein the adjustment indicator comprises the change amount of the modulation order, and wherein the updating of at least one of the modulation order and the transport block size index comprises reflecting the change amount of the modulation order to the modulation order. ### Claim 3 (depends on 1) The method of claim 1, wherein the adjustment indicator comprises the change amount of the transport block size index, and wherein the updating of at least one of the modulation order and the transport block size index comprises reflecting the change amount of the transport block size index to the transport block size index. ### Claim 4 (depends on 1) The method of claim 1, wherein the adjustment indicator further comprises a validity bit indicating whether the adjustment indicator is valid, and wherein the updating of the at least one of the modulation order and the transport block size index is selectively performed based on a value of the validity bit. ### Claim 5 (depends on 1) The method of claim 1, wherein the extracted field includes: first bits indicating the change amount of the modulation order; and second bits indicating the change amount of the transport size index. ### Claim 6 (depends on 5) The method of claim 5, wherein the extracted field further comprises a validity bit indicating whether the adjustment indicator is valid, and the updating of the at least one of the modulation order and the transport block size index is selectively performed based on a value of the validity bit. ### Claim 7 (depends on 6) The method of claim 6, wherein the validity bit precedes the first bits and the second bits. ### Claim 8 An apparatus comprising: a memory storing a plurality of instructions; a processor configured to perform processing of a signal received over a wireless link by executing the plurality of instructions, wherein the processing of the signal comprises: obtaining downlink control information; extracting a field corresponding to an adjustment indicator indicating a change of a value of at least one of a modulation order and a transport block size index from the downlink control information; identifying the adjustment indicator from the extracted field; updating at least one of the modulation order and the transport block size index by changing the value of the at least one of the modulation order and the transport block size index in response to the identified adjustment indicator; and processing the received signal, based on at least one of the updated modulation order and the updated transport block size index, wherein the adjustment indicator comprises a validity bit indicating whether the adjustment indicator is valid, and wherein the updating of the at least one of the modulation order and the transport block size index is selectively performed based on a value of the validity bit. ### Claim 9 (depends on 8) The apparatus of claim 8, wherein the adjustment indicator comprises an increase or a decrease of the modulation order, and wherein the updating of at least one of the modulation order and the transport block size index comprises increasing or decreasing the modulation order by a predefined offset based on the increase or the decrease of the modulation order. ### Claim 10 (depends on 8) The apparatus of claim 8, wherein the adjustment indicator comprises a change amount of the modulation order, and wherein the updating of at least one of the modulation order and the transport block size index comprises reflecting the change amount to the modulation order. ### Claim 11 (depends on 8) The apparatus of claim 8, wherein the adjustment indicator comprises an increase or a decrease of the transport block size index, and wherein the updating of at least one of the modulation order and the transport block size index comprises increasing or decreasing the transport block size index by a predefined offset based on the increase or the decrease of the transport block size index. ### Claim 12 (depends on 8) The apparatus of claim 8, wherein the adjustment indicator comprises a change amount of the transport block size index, and wherein the updating of at least one of the modulation order and the transport block size index comprises reflecting the change amount to the transport block size index. ### Claim 13 (depends on 8) The apparatus of claim 8, wherein the extracted field includes: first bits indicating the change in the value of the modulation order; and second bits indicating the change in the value of the transport size index. ### Claim 14 A user equipment comprising: an antenna; a transceiver configured to receive signals through the antenna; and a signal processor configured to perform processing of a signal received from the transceiver, wherein the processing of the signal comprises: obtaining downlink control information; extracting a field from the downlink control information, the field corresponding to an adjustment indicator and having first bits indicating a change of a value of a modulation order and second bits indicating a change of a value of a transport block size index; identifying the adjustment indicator from the extracted field; updating at least one of the modulation order and the transport block size index by changing the value of the at least one of the modulation order and the transport block size index in response to the identified adjustment indicator; and processing the received signal, based on at least one of the updated modulation order and the updated transport block size index. ### Claim 15 (depends on 14) The user equipment of claim 14, wherein the adjustment indicator comprises an increase or a decrease of the modulation order, and wherein the updating of at least one of the modulation order and the transport block size index comprises increasing or decreasing the modulation order by a predefined offset based on the increase or the decrease of the modulation order. ### Claim 16 (depends on 14) The user equipment of claim 14, wherein the adjustment indicator comprises a change amount of the modulation order, and wherein the updating of at least one of the modulation order and the transport block size index comprises reflecting the change amount to the modulation order. ### Claim 17 (depends on 14) The user equipment of claim 14, wherein the adjustment indicator comprises an increase or a decrease of the transport block size index, and wherein the updating of at least one of the modulation order and the transport block size index comprises increasing or decreasing the transport block size index by a predefined offset based on the increase or the decrease of the transport block size index. ### Claim 18 (depends on 14) The user equipment of claim 14, wherein the adjustment indicator comprises a change amount of the transport block size index, and wherein the updating of at least one of the modulation order and the transport block size index comprises reflecting the change amount to the transport block size index. ### Claim 19 (depends on 14) The user equipment of claim 14, wherein the adjustment indicator further comprises a validity bit indicating whether the adjustment indicator is valid, and wherein the updating of the at least one of the modulation order and the transport block size index is selectively performed based on a value of the validity bit.