# US 2019/0357202 A1 · RLC Layer Status Report Control PDU Transmitting Method and Related Device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0357202 A1 - Document ID: US20190357202A1 - Status: Published application - Kind: A1 - Application number: 16/476,066 - Filed: 2017-01-04 - Published: 2019-11-21 - Earliest claimed: 2017-01-04 - Assignees: Guangdong Oppo Mobile Telecommunications Corp., Ltd. - Applicants: Guangdong Oppo Mobile Telecommunications Corp., Ltd. - Inventors: Hai TANG - Web page: https://patentgrep.com/patent/US20190357202A1 ## CPC - H04L 1/1621: {Group acknowledgement, i.e. the acknowledgement message defining a range of identifiers, e.g. of sequence numbers} - H04W 72/21: in the uplink direction of a wireless link, i.e. towards the network - H04L 1/1635: {Cumulative acknowledgement, i.e. the acknowledgement message applying to all previous messages} - H04L 1/165: {Variable formats} - H04L 47/34: ensuring sequence integrity, e.g. using sequence numbers - H04W 72/02: Selection of wireless resources by user or terminal - H04L 1/1809: Selective-repeat protocols - 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 for transmitting an RLC layer status report control PDU is provided, which includes: receiving, by a user equipment, configuration information sent by a network device, wherein the configuration information includes at least one control PDU format; selecting, by the user equipment, a control PDU format from the at least one control PDU format to generate a status report control PDU, and reporting the status report control PDU. A related device is also provided. ## Claims ### Claim 1 A method for transmitting a radio link control (RLC) layer status report protocol data unit (PDU), comprising: receiving, by a user equipment, configuration information sent by a network device, wherein the configuration information comprises at least one status report PDU format; and generating a status report PDU according to a status report PDU format selected by the user equipment from the at least one status report PDU format, and reporting the status report PDU. ### Claim 2 (depends on 1) The method of claim 1, wherein the status report PDU format comprises a maximum sequence number of PDUs successfully received by the user equipment, and the status report PDU format further comprises a range of sequence numbers of PDUs incorrectly received. ### Claim 3 (depends on 2) The method of claim 2, wherein the range of the sequence numbers comprises a high limit sequence number and a low limit sequence number; and when the maximum sequence number of the PDUs successfully received by the user equipment is adjacent to the high limit sequence number, the status report PDU format comprises the maximum sequence number of the PDUs successfully received by the user equipment and the low limit sequence number. ### Claim 4 (depends on 1) The method of claim 1, wherein the status report PDU format comprises a maximum sequence number of PDUs successfully received by the user equipment, and the status report PDU format further comprises a plurality of ranges of sequence numbers of PDUs incorrectly received. ### Claim 5 (depends on 1) The method of claim 1, wherein the status report PDU format comprises a maximum sequence number of PDUs successfully received by the user equipment, and the status report PDU format further comprises a sequence number of each PDU incorrectly received. ### Claim 6 (depends on 1) The method of claim 1, wherein selecting, by the user equipment, the status report PDU format from the at least one status report PDU format, comprises: selecting, by the user equipment, the status report PDU format from the at least one status report PDU format according to a situation of incorrectly receiving PDUs. ### Claim 7 (depends on 6) The method of claim 6, wherein when a quantity of the PDUs incorrectly received by the user equipment is greater than or equal to a preset threshold value, or when the quantity of the PDUs incorrectly received by the user equipment is greater than or equal to the preset threshold value and sequence numbers of the PDUs incorrectly received are continuous, the selected status report PDU format comprises a maximum sequence number of PDUs successfully received by the user equipment and further comprises a range of the sequence numbers of the PDUs incorrectly received. ### Claim 8 (depends on 6) The method of claim 6, wherein when a quantity of the PDUs incorrectly received by the user equipment is greater than or equal to a preset threshold value and sequence numbers of the PDUs incorrectly received are discontinuous, the selected status report PDU format comprises a maximum sequence number of PDUs successfully received by the user equipment and further comprises a plurality of ranges of the sequence numbers of the PDUs incorrectly received. ### Claim 9 (depends on 6) The method of claim 6, wherein when a quantity of the PDUs incorrectly received by the user equipment is less than a preset threshold value, the selected status report PDU format comprises a maximum sequence number of PDUs successfully received by the user equipment and further comprises a sequence number of each PDU incorrectly received. ### Claim 10 (canceled) ### Claim 11 (canceled) ### Claim 12 A method for transmitting a radio link control (RLC) layer status report control protocol data unit (PDU), comprising: generating, by a network device, configuration information, wherein the configuration information comprises at least one status report PDU format; sending, by the network device, the configuration information to a user equipment; and receiving, by the network device, a status report PDU reported by the user equipment, wherein the status report PDU is generated through a status report PDU format selected by the user equipment from the at least one status report PDU format. ### Claim 13 (depends on 12) The method of claim 12, wherein the status report PDU format comprises a maximum sequence number of PDUs successfully received by the user equipment, and the status report PDU format further comprises a range of sequence numbers of PDUs incorrectly received. ### Claim 14 (depends on 13) The method of claim 13, wherein the range of the sequence numbers comprises a high limit sequence number and a low limit sequence number; and when the maximum sequence number of the PDUs successfully received by the user equipment is adjacent to the high limit sequence number, the status report PDU format comprises the maximum sequence number of the PDUs successfully received by the user equipment and the low limit sequence number. ### Claim 15 (depends on 12) The method of claim 12, wherein the status report PDU format comprises a maximum sequence number of PDUs successfully received by the user equipment, and the status report PDU format further comprises a plurality of ranges of sequence numbers of PDUs incorrectly received. ### Claim 16 (depends on 12) The method of claim 12, wherein the status report PDU format comprises a maximum sequence number of PDUs successfully received by the user equipment, and the status report PDU format further comprises a sequence number of each PDU incorrectly received. ### Claim 17 (canceled) ### Claim 18 (canceled) ### Claim 19 A user equipment, comprising: a processor and a transceiver; wherein the transceiver is configured to receive configuration information sent by a network device, wherein the configuration information comprises at least one status report PDU format; the processor is configured to generate a status report PDU according to a status report PDU format selected from the at least one status report PDU format; and the transceiver is further configured to report the status report PDU. ### Claim 20 (depends on 19) The user equipment of claim 19, wherein the status report PDU format comprises a maximum sequence number of PDUs successfully received by the user equipment, and the status report PDU format further comprises a range of sequence numbers of PDUs incorrectly received. ### Claim 21 (depends on 20) The user equipment of claim 20, wherein the range of the sequence numbers comprises a high limit sequence number and a low limit sequence number; and when the maximum sequence number of the PDUs successfully received by the user equipment is adjacent to the high limit sequence number, the status report PDU format comprises the maximum sequence number of the PDUs successfully received by the user equipment and the low limit sequence number. ### Claim 22 (depends on 19) The user equipment of claim 19, wherein the status report PDU format comprises a maximum sequence number of PDUs successfully received by the user equipment, and the status report PDU format further comprises a plurality of ranges of sequence numbers of PDUs incorrectly received. ### Claim 23 (depends on 19) The user equipment of claim 19, wherein the status report PDU format comprises a maximum sequence number of PDUs successfully received by the user equipment, and the status report PDU format further comprises a sequence number of each PDU incorrectly received. ### Claim 24 (depends on 19) The user equipment of claim 19, wherein the processor is specifically configured to: select the status report PDU format from the at least one status report PDU format according to a situation of incorrectly receiving PDUs. ### Claim 25 (depends on 24) The user equipment of claim 24, wherein when a quantity of the PDUs incorrectly received by the user equipment is greater than or equal to a preset threshold value, or when the quantity of the PDUs incorrectly received by the user equipment is greater than or equal to the preset threshold value and sequence numbers of the PDUs incorrectly received are continuous, the selected status report PDU format comprises a maximum sequence number of PDUs successfully received by the user equipment and further comprises a range of the sequence numbers of the PDU incorrectly received. ### Claim 26 (depends on 24) The user equipment of claim 24, wherein when a quantity of the PDUs incorrectly received by the user equipment is greater than or equal to a preset threshold value and sequence numbers of the PDUs incorrectly received are discontinuous, the selected status report PDU format comprises a maximum sequence number of PDUs successfully received by the user equipment and further comprises a plurality of ranges of the sequence numbers of the PDUs incorrectly received. ### Claim 27 (depends on 24) The user equipment of claim 24, wherein when a quantity of the PDUs incorrectly received by the user equipment is less than a preset threshold value, the selected status report PDU format comprises a maximum sequence number of PDUs successfully received by the user equipment and further comprises a sequence number of each PDU incorrectly received. ### Claim 28 (canceled) ### Claim 29 (canceled) ### Claim 30 A network device, comprising: a processor and a transceiver; wherein the processor is configured to generate configuration information, wherein the configuration information comprises at least one status report PDU format; the transceiver is configured to send the configuration information to a user equipment; and the transceiver is further configured to receive a status report PDU reported by the user equipment, wherein the status report PDU is generated through a status report PDU format selected by the user equipment from the at least one status report PDU format. ### Claim 31 (depends on 30) The network device of claim 30, wherein the status report PDU format comprises a maximum sequence number of PDUs successfully received by the user equipment, and the status report PDU format further comprises a range of sequence numbers of PDUs incorrectly received. ### Claim 32 (depends on 31) The network device of claim 31, wherein the range of the sequence numbers comprises a high limit sequence number and a low limit sequence number; and when the maximum sequence number of the PDUs successfully received by the user equipment is adjacent to the high limit sequence number, the status report PDU format comprises the maximum sequence number of the PDUs successfully received by the user equipment and the low limit sequence number. ### Claim 33 (depends on 30) The network device of claim 30, wherein the status report PDU format comprises a maximum sequence number of PDUs successfully received by the user equipment, and the status report PDU format further comprises a plurality of ranges of sequence numbers of PDUs incorrectly received. ### Claim 34 (depends on 30) The network device of claim 30, wherein the status report PDU format comprises a maximum sequence number of PDUs successfully received by the user equipment, and the status report PDU format further comprises a sequence number of each PDU incorrectly received. ### Claim at position 35 35-38. (canceled)