# US 12,764,779 B2 · Uplink signal sending and receiving method and apparatus > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,764,779 B2 - Document ID: US12764779B2 - Status: Granted - Kind: B2 - Application number: 18/099,314 - Filed: 2023-01-20 - Published: 2023-05-18 - Granted: 2026-10-13 - Earliest claimed: 2020-08-06 - Assignees: 1FINITY Inc. - Applicants: 1FINITY Inc. - Inventors: Qinyan Jiang; Lei Zhang; Zhe Chen; Xin Wang; Jian Zhang; Junrong Gu - Web page: https://patentgrep.com/patent/US12764779B2 ## CPC - H04W 74/002: {Transmission of channel access control information} - H04W 74/04: Scheduled access (hybrid access H04W74/02) - H04W 74/0808: using carrier sensing, e.g. carrier sense multiple access [CSMA] - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract Methods and apparatuses for transmitting and receiving uplink signals. The method for transmitting includes: receiving by a terminal equipment a first signal transmitted by a network device, the first signal being at least used for the terminal equipment to determine whether to perform channel detection and/or how to perform channel detection before transmitting a second signal; and transmitting the second signal by the terminal equipment to the network device by using an uplink resource. ## Claims ### Claim 1 An apparatus for transmitting an uplink signal, configured in a terminal equipment, the apparatus comprising: a receiver configured to receive: a radio resource control (RRC) message; and a downlink control information (DCI) or a random access response (RAR), the DCI and the RAR being used for scheduling an uplink transmission in a cell operating with a first shared spectrum where channel sensing is not mandatory; a transmitter configured to transmit the uplink transmission; and processor circuitry configured to: control, when first information for the cell operating with the first shared spectrum where channel sensing is not mandatory is absent in the received radio resource control message, to not perform channel access procedure for transmitting the uplink transmission in the cell operating with the first share spectrum where channel sensing is not mandatory, and control, when the first information for the cell operating with the first shared spectrum where channel sensing is not mandatory is present in the received radio resource control message, to perform channel access procedure for transmitting the uplink transmission in the cell operating with the first share spectrum where channel sensing is not mandatory, and according to information in the DCI or the RAR, to determine a type of the channel access procedure for transmitting the uplink transmission, wherein the first information is applicable for the first shared spectrum where channel sensing is not mandatory and not applicable for a second shared spectrum where channel sensing is mandatory, wherein the type of the channel access procedure includes: a type 1 channel access procedure with channel sensing; a type 2 channel access procedure with channel sensing; or a type 3 channel access procedure without channel sensing. ### Claim 2 (depends on 1) The apparatus according to claim 1, wherein the radio resource control message comprises broadcasted radio resource control message and/or dedicated radio resource control message for the terminal equipment, and the broadcasted radio resource control message comprises system information block. ### Claim 3 (depends on 1) The apparatus according to claim 1, wherein the first information is cell-specific or UE-specific. ### Claim 4 (depends on 1) The apparatus according to claim 1, wherein the first information is information per cell. ### Claim 5 (depends on 1) The apparatus according to claim 1, wherein the processor circuitry is further configured to: control, when the radio resource control message does not include the first information for a cell, the terminal equipment does not perform channel access procedure for transmitting uplink transmission(s) of the cell, and control, when radio resource control message includes the first information for the cell, the terminal equipment performs channel access procedure for transmitting uplink transmission(s) of the cell. ### Claim 6 (depends on 1) The apparatus according to claim 1, wherein the radio resource control message includes second information used to indicate an operating band of a cell, the second information indicating a band index of the operating band of the cell, the operating band being identified by the band index is pre-defined as a licensed band or an unlicensed band. ### Claim 7 (depends on 6) The apparatus according to claim 6, wherein in a case where the operating band is a licensed band, the first information for the cell is absent; or, in a case where the operating band is an unlicensed band, the first information for the cell is optionally present. ### Claim 8 (depends on 1) The apparatus according to claim 1, wherein, the receiver is further configured to: receive a fourth information carried by a radio resource control signaling, the fourth information configures types of channel access procedure which are capable of being indicated by the information contained in the DCI or the RAR. ### Claim 9 (depends on 1) The apparatus according to claim 1, wherein, the uplink transmission is PRACH, PUCCH, PUSCH, or SRS. ### Claim 10 (depends on 1) The apparatus according to claim 1, wherein, the transmitter is further configured to transmit measurement result; wherein the measurement result comprises received signal strength per beam. ### Claim 11 An apparatus for receiving an uplink signal, configured in a network device, the apparatus comprising: a transmitter configured to transmit: a radio resource control (RRC) message; and a downlink control information (DCI) or a random access response (RAR), the DCI and the RAR being used for scheduling an uplink transmission; and a receiver configured to receive the uplink transmission transmitted by a terminal equipment by using an uplink resource; wherein, when first information for the cell operating with the first shared spectrum where channel sensing is not mandatory is absent in the received radio resource control message, the terminal equipment does not perform channel access procedure for transmitting the uplink transmission in the cell operating with the first share spectrum where channel sensing is not mandatory, and when the first information for the cell operating with the first shared spectrum where channel sensing is not mandatory is present in the received radio resource control message, the terminal equipment performs channel access procedure for transmitting the uplink transmission in the cell operating with the first share spectrum where channel sensing is not mandatory, and according to information in the DCI or the RAR, the terminal equipment determines a type of the channel access procedure for transmitting the uplink transmission, wherein the first information is applicable for the first shared spectrum where channel sensing is not mandatory and not applicable for a second shared spectrum where channel sensing is mandatory, wherein the type of the channel access procedure includes: a type 1 channel access procedure with channel sensing; a type 2 channel access procedure with channel sensing; or a type 3 channel access procedure without channel sensing. ### Claim 12 A communication system, comprising: a network device configured to: transmit a radio resource control (RRC) message signal, transmit a downlink control information (DCI) or a random access response (RAR), the DCI and the RAR being used for scheduling an uplink transmission in a cell operating with a first shared spectrum where channel sensing is not mandatory, and receive the uplink transmission; and a terminal equipment configured to: receive the radio resource control message signal, receive the downlink control information or the random access response, and transmit the uplink transmission, control, when first information for the cell operating with the first shared spectrum where channel sensing is not mandatory is absent in the received radio resource control message, to not perform channel access procedure for transmitting the uplink transmission in the cell operating with the first share spectrum where channel sensing is not mandatory, and control, when the first information for the cell operating with the first shared spectrum where channel sensing is not mandatory is present in the received radio resource control message, to perform channel access procedure for transmitting the uplink transmission in the cell operating with the first share spectrum where channel sensing is not mandatory, and according to information in the DCI or the RAR, to determine a type of the channel access procedure for transmitting the uplink transmission, wherein the first information is applicable for the first shared spectrum where channel sensing is not mandatory and not applicable for a second shared spectrum where channel sensing is mandatory, wherein the type of the channel access procedure includes: a type 1 channel access procedure with channel sensing; a type 2 channel access procedure with channel sensing; or a type 3 channel access procedure without channel sensing. ### Claim 13 (depends on 8) The apparatus according to claim 8, wherein, the types of channel access procedure that are configurable by the fourth information include a type with channel sensing and a type without channel sensing. ### Claim 14 (depends on 8) The apparatus according to claim 8, wherein the types of channel access procedure that are configurable by the fourth information include a type 1 channel access procedure or a type 2 channel access procedure or a type 3 channel access procedure. ### Claim 15 (depends on 1) The apparatus according to claim 1, wherein the first information is for a cell operating in frequency range from 52.6 GHz to 71 GHz.