# US 12,193,029 B2 · Wireless telecommunications apparatus and methods > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,193,029 B2 - Document ID: US12193029B2 - Status: Granted - Kind: B2 - Application number: 18/353,124 - Filed: 2023-07-17 - Published: 2023-11-09 - Granted: 2025-01-07 - Earliest claimed: 2016-11-11 - Assignees: Sony Group Corporation - Applicants: Sony Group Corporation - Inventors: Samuel Asangbeng Atungsiri; Shin Horng Wong; Martin Warwick Beale - Web page: https://patentgrep.com/patent/US12193029B2 ## CPC - H04W 72/23: in the downlink direction of a wireless link, i.e. towards a terminal - H04L 1/0057: {Block codes (H04L1/0061, H04L1/0064 take precedence)} - H04L 1/0061: {Error detection codes} - H04L 25/0202: {Channel estimation} - H04L 27/2697: {in combination with other modulation techniques} - H04W 72/0446: Resources in time domain, e.g. slots or frames - 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 A method of operating a wireless telecommunications system for communicating higher layer data from network infrastructure comprises establishing an allocation of radio resources for the network infrastructure equipment to use for transmitting higher layer data to the terminal device during a higher layer data transmission period; transmitting an indication of the allocated radio resources to the terminal device; beginning transmission of the higher layer data to the terminal device at the beginning of the higher layer data transmission period; and subsequently identifying during the higher layer data transmission period whether any of the allocated radio resources which have not yet been used are needed by the network infrastructure equipment for transmitting other data in the wireless telecommunications system. ## Claims ### Claim 1 A method of operating a transmitter entity in a wireless telecommunications system for communicating higher layer data to a receiver entity, wherein the method comprises: establishing an allocation of radio resources for the transmitter entity to use for transmitting higher layer data to the receiver entity during a higher layer data transmission period; transmitting an indication of the allocated radio resources to the receiver entity, wherein the indication includes a predefined signature sequence; beginning transmission of the higher layer data to the receiver entity at the beginning of the higher layer data transmission period using the allocated radio resources; and identifying during the higher layer data transmission period whether any of the allocated radio resources which have not yet been used are needed by the transmitter entity for transmitting other data in the wireless telecommunications system, and if so, establishing a subset of the allocated radio resources for the transmitter entity to use for transmitting the other data and transmitting the other data using the subset of the allocated radio resources; wherein the method further comprises the transmitter entity conveying to the receiver entity during the higher layer data transmission period an indication of the subset of allocated radio resources used for the transmission of other data; and wherein the predefined signature sequence is selected by the transmitter entity from among a plurality of predefined signature sequences according to whether the transmission of the higher layer data to the receiver entity is a first transmission of the higher layer data to the receiver entity or a retransmission of the higher layer data to the receiver entity. ### Claim 2 (depends on 1) The method of claim 1, wherein the predefined signature sequence is in a control channel region for the other data that is multiplexed along with a data channel for the other data into a data channel period of the allocation of radio resources in the higher layer data transmission period. ### Claim 3 (depends on 1) The method of claim 1, wherein the method further comprises dividing the higher layer data into a plurality of higher layer data code blocks and applying error detection coding to individual higher layer data code blocks before transmission to the receiver entity, whereby detection of an error by the receiver entity during decoding in respect of one or more of the higher layer data code blocks provides the receiver entity with the indication of the subset of allocated radio resources used for the transmission of other data. ### Claim 4 (depends on 3) The method of claim 3, wherein the error detection coding is based on a cyclic redundancy check process and/or wherein the error detection coding is based on a parity check process. ### Claim 5 (depends on 1) The method of claim 1, wherein respective ones of the plurality of predefined signature sequences are associated with different amounts of radio resource, and the predefined signature sequence is selected by the transmitter entity from among the plurality of predefined signature sequences according to the amount of radio resources used for transmission of other data. ### Claim 6 (depends on 1) The method of claim 1, further comprising transmitting reference symbols during the higher layer transmission period to allow the receiver entity to estimate channel conditions for the allocated radio resources, and modifying the transmission of reference symbols provided for estimating channel conditions for the subset of allocated radio resources used for transmitting other data to provide the receiver entity with the indication of the subset of allocated radio resources used for the transmission of other data. ### Claim 7 (depends on 1) The method of claim 1, further comprising transmitting higher layer data as a plurality of symbols, and set one or more data bits in one or more symbols carried on the subset of allocated radio resources used for transmitting other data to a predetermined value to provide the receiver entity with the indication of the subset of allocated radio resources used for the transmission of other data. ### Claim 8 A transmitter entity for use in a wireless telecommunications system for communicating higher layer data to a receiver entity, wherein the transmitter entity comprises controller circuitry and transceiver circuitry configured to operate together such that the transmitter entity is operable to: establish an allocation of radio resources for the transmitter entity to use for transmitting higher layer data to the receiver entity during a higher layer data transmission period; transmit an indication of the allocated radio resources to the receiver entity, wherein the indication includes a predefined signature sequence; begin transmission of the higher layer data to the receiver entity at the beginning of the higher layer data transmission period using the allocated radio resources; identify during the higher layer data transmission period whether any of the allocated radio resources which have not yet been used are needed by the transmitter entity for transmitting other data in the wireless telecommunications system, and if so, establish a subset of the allocated radio resources for the transmitter entity to use for transmitting the other data and transmit the other data using the subset of the allocated radio resources; and convey to the receiver entity during the higher layer data transmission period an indication of the subset of allocated radio resources used for the transmission of other data, wherein the predefined signature sequence is selected by the transmitter entity from among a plurality of predefined signature sequences according to whether the transmission of the higher layer data to the receiver entity is a first transmission of the higher layer data to the receiver entity or a retransmission of the higher layer data to the receiver entity. ### Claim 9 (depends on 8) The transmitter entity of claim 8, wherein the predefined signature sequence in a control channel region for the other data that is multiplexed along with a data channel for the other data into a data channel period of the allocation of radio resources in the higher layer data transmission period. ### Claim 10 (depends on 8) The transmitter entity of claim 8, wherein the transmitter entity is further operable to: divide the higher layer data into a plurality of higher layer data code blocks and apply error detection coding to individual higher layer data code blocks before transmission to the receiver entity, whereby detection of an error by the receiver entity during decoding in respect of one or more of the higher layer data code blocks provides the receiver entity with the indication of the subset of allocated radio resources used for the transmission of other data. ### Claim 11 (depends on 10) The transmitter entity of claim 10, wherein the error detection coding is based on a cyclic redundancy check process and/or wherein the error detection coding is based on a parity check process. ### Claim 12 (depends on 8) The transmitter entity of claim 8, wherein respective ones of the plurality of predefined signature sequences are associated with different amounts of radio resource, and the transmitter entity is further operable to select the predefined signature sequence from among the plurality of predefined signature sequences according to the amount of radio resources used for transmission of other data. ### Claim 13 (depends on 8) The transmitter entity of claim 8, wherein the transmitter entity is further operable to transmit reference symbols during the higher layer transmission period to allow the receiver entity to estimate channel conditions for the allocated radio resources, and modify the transmission of reference symbols provided for estimating channel conditions for the subset of allocated radio resources used for transmitting other data to provide the receiver entity with the indication of the subset of allocated radio resources used for the transmission of other data. ### Claim 14 A receiver entity for use in a wireless telecommunications system for receiving higher layer data from a transmitter entity, wherein the receiver entity comprises controller circuitry and transceiver circuitry configured to operate together such that the receiver entity is operable to: receive from the transmitter entity an indication of an allocation of radio resources for the receiver entity to use for receiving higher layer data from the transmitter entity during a higher layer data transmission period, wherein the indication includes a predefined signature sequence; receive transmissions from the transmitter entity on the allocated radio resources; and identify whether any of the allocated radio resources in the higher layer transmission period for the receiver entity are used by the transmitter entity for transmitting other data than the higher layer data for the receiver entity based on whether the transmitter entity conveys to the receiver entity during the higher layer data transmission period an indication of a subset of allocated radio resources used by the transmitter entity for the transmission of other data, wherein the predefined signature sequence is selected by the transmitter entity from among a plurality of predefined signature sequences according to whether the transmission of the higher layer data to the receiver entity is a first transmission of the higher layer data to the receiver entity or a retransmission of the higher layer data to the receiver entity. ### Claim 15 (depends on 14) The receiver entity of claim 14, wherein the predefined signature sequence is in a control channel region for the other data that is multiplexed along with a data channel for the other data into a data channel period of the allocation of radio resources in the higher layer data transmission period. ### Claim 16 (depends on 14) The receiver entity of claim 14, wherein the receiver entity is further operable to: receive reference symbols during the higher layer transmission period; estimate channel conditions for the allocated radio resources; and receive modified reference symbols provided for estimating channel conditions for the subset of allocated radio resources used for transmitting other data to indicate the subset of allocated radio resources used for the transmission of other data. ### Claim 17 (depends on 14) The receiver entity of claim 14, wherein the receiver entity is further operable to: receive the higher layer data into a plurality of higher layer data code blocks and applying error detection coding to individual higher layer data code blocks and an indication of the subset of allocated radio resources used for the transmission of other data; and detect an error during decoding in respect of one or more of the higher layer data code blocks. ### Claim 18 (depends on 17) The receiver entity of claim 17, wherein the error detection coding is based on a cyclic redundancy check process and/or wherein the error detection coding is based on a parity check process. ### Claim 19 (depends on 14) The receiver entity of claim 14, wherein respective ones of the plurality of predefined signature sequences are associated with different amounts of radio resource, and the predefined signature sequence is selected by the transmitter entity from among the plurality of predefined signature sequences according to the amount of radio resources used for transmission of other data. ### Claim 20 (depends on 14) The receiver entity of claim 14, wherein the receiver entity is further operable to: receive higher layer data as a plurality of symbols and one or more data bits in one or more symbols carried on the subset of allocated radio resources set to a predetermined value.