# US 2021/0243677 A1 · Method and apparatus for controlling network access > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2021/0243677 A1 - Document ID: US20210243677A1 - Status: Published application - Kind: A1 - Application number: 17/049,005 - Filed: 2018-04-19 - Published: 2021-08-05 - Earliest claimed: 2018-04-19 - Assignees: Beijing Xiaomi Mobile Software Co., Ltd. - Applicants: Beijing Xiaomi Mobile Software Co., Ltd. - Inventors: Yanhua LI - Web page: https://patentgrep.com/patent/US20210243677A1 ## CPC - H04W 48/06: based on traffic conditions - H04W 72/02: Selection of wireless resources by user or terminal - H04B 17/328: {Reference signal received power [RSRP]; Reference signal received quality [RSRQ]} - H04L 5/001: {the frequencies being arranged in component carriers} - H04L 5/0053: {Allocation of signalling, i.e. of overhead other than pilot signals} - H04W 48/16: Discovering, processing access restriction or access information - H04W 72/0453: Resources in frequency domain, e.g. a carrier in FDMA - H04W 72/1268: of uplink data flows - H04W 72/23: in the downlink direction of a wireless link, i.e. towards a terminal - H04W 72/52: based on load - H04W 72/535: {based on resource usage policies} - H04W 74/006: {in the downlink, i.e. towards the terminal} - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - H04B: TRANSMISSION - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) ## Abstract The present disclosure provides a method and an apparatus for controlling network access. According to the method, a target type carrier carrying traffic to be transmitted is determined when a traffic request is to be initiated, where the target type carrier includes a supplementary uplink (SUL) carrier, or a non-SUL carrier, Target AC configuration information applicable to the target type carrier is determined according to access control AC configuration information issued by a base station. It is determined whether the user equipment is allowed to perform an AC process through the target uplink carrier by matching the target AC configuration information against access detection information of the user equipment. ## Claims ### Claim 1 A method for controlling network access, applicable to user equipment, comprising: determining a target type carrier carrying traffic to be transmitted when a traffic request is to be initiated, wherein the target type carrier comprises: a supplementary uplink (SUL) carrier, or a non-SUL carrier; determining target access control (AC) configuration information applicable to the target type carrier according to AC configuration information issued by a base station; and determining whether the user equipment is allowed to perform an AC process through the target uplink carrier by matching the target AC configuration information against access detection information of the user equipment. ### Claim 2 (depends on 1) The method according to claim 1, wherein in response to that the user equipment is currently in one of following states: an inactive state, idle state, or out-of-synchronization state in a connected state, determining the target type carrier carrying traffic to be transmitted comprising: determining the target type carrier according to a reference signal received power (RSRP); or, determining the target type carrier according to uplink carrier indication information issued by the base station, wherein the uplink carrier indication information is configured to inform the user equipment to initiate a random access request through a specified type of uplink carrier. ### Claim 3 (depends on 1) The method according to claim 1, wherein in response to that the user equipment is currently in a connected state, determining the target type carrier by performing at least one of the following acts: determining the target type carrier according to latest historical scheduling information comprising uplink carrier grant information; determining the target type carrier according to a reference signal received power (RSRP); or determining the target type carrier according to uplink carrier indication information issued by the base station, wherein the uplink carrier indication information is configured to inform the user equipment to initiate a traffic request through a specified type of uplink carrier. ### Claim 4 (depends on 2) The method according to claim 2, wherein determining the target type carrier according to the RSRP comprises: comparing a detected RSRP with a preset power threshold; determining the SUL carrier as the target type carrier when the RSRP is less than the preset power threshold; and determining the non-SUL carrier as the target type carrier when the RSRP is greater than or equal to the preset power threshold. ### Claim 5 (depends on 3) The method according to claim 3, wherein determining the target type carrier according to the latest historical scheduling information comprises: obtaining an effective time duration of the historical scheduling information; determining an interval duration between a current time and a receiving time of the historical scheduling information; and determining the target type carrier according to the uplink carrier grant information in the historical scheduling information in response to that the interval duration is shorter than the effective time duration. ### Claim 6 (depends on 1) The method according to claim 1, wherein determining the target AC configuration information applicable to the target type carrier comprises: obtaining first AC configuration information applicable to the non-SUL carrier when the target type carrier is the non-SUL carrier; and obtaining second AC configuration information applicable to the SUL carrier when the target type carrier is the SUL carrier. ### Claim 7 (depends on 1) The method according to claim 1, wherein determining the target AC configuration information applicable to the target type carrier according to the AC configuration information issued by the base station comprises: obtaining two independently-configured AC configuration lists from two different messages or a same message issued by the base station, wherein each of the AC configuration lists comprises: a correspondence between preset uplink carrier information and AC configuration information; and determining the target AC configuration information applicable to the target type carrier by matching the two AC configuration lists against the target type carrier. ### Claim 8 (depends on 1) The method according to claim 1, wherein determining the target AC configuration information applicable to the target type carrier according to the AC configuration information issued by the base station comprises: obtaining public AC configuration information and carrier applicable information issued by the base station, wherein the carrier applicable information is configured to indicate an uplink carrier applicable condition of each piece of sub-configuration information in the public AC configuration information, and the carrier applicable information comprises at least an applicable carrier type; and determining the target AC configuration information applicable to the target type carrier by matching the carrier applicable information of each piece of sub-configuration information against the target type carrier. ### Claim 9 (depends on 8) The method according to claim 8, wherein the carrier applicable information further comprises: an effective time range configured to indicate an allowable time range in which the sub-configuration information is applicable to a preset uplink carrier; and determining the target AC configuration information applicable to the target type carrier by matching the carrier applicable information of each piece of sub-configuration information against the target type carrier comprises: matching the applicable carrier type of each piece of sub-configuration information against the target type carrier; determining whether a current time is within the effective time range when the target type carrier belongs to the applicable carrier type of one piece of sub-configuration information; and determining that the sub-configuration information belongs to the target AC configuration information when the current time is within the effective time range. ### Claim 10 A method for controlling network access, applicable to a base station, comprising: determining access control (AC) configuration information applicable to a supplementary uplink (SUL) carrier and a non-SUL carrier, wherein the AC configuration information comprises first AC configuration information applicable to the non-SUL carrier, and second AC configuration information applicable to the SUL carrier; and sending the AC configuration information to user equipment to enable the user equipment to determine target AC configuration information according to a target type carrier for carrying traffic to be transmitted and perform an AC process based on the target AC configuration information. ### Claim 11 (depends on 10) The method according to claim 10, wherein sending the AC configuration information to the user equipment comprises: generating two independently-configured AC configuration lists according to the first access control configuration information and the second access control configuration information, wherein each of the AC configuration lists comprises: a correspondence between preset uplink carrier information and AC configuration information; and sending the two independently-configured AC configuration lists to the user equipment through two messages or one message. ### Claim 12 (depends on 10) The method according to claim 10, wherein sending the AC configuration information to the user equipment comprises: providing public AC configuration information and carrier applicable information according to the first AC configuration information and the second AC configuration information, wherein the carrier applicable information is configured to indicate an uplink carrier applicable condition of each piece of sub-configuration information in the public AC configuration information, and the carrier applicable information comprises at least an applicable carrier type; and sending the public AC configuration information and the carrier applicable information to the user equipment to enable the user equipment to respectively determine first AC configuration information applicable to the non-SUL carrier and second AC configuration information applicable to the SUL carrier based on the public AC configuration information and the carrier applicable information. ### Claim 13 (depends on 12) The method according to claim 12, wherein the carrier applicable information further comprises: an effective time range indicating an allowable time range in which the sub-configuration information is applicable to a preset uplink carrier. ### Claim 14 (depends on 10) The method according to claim 10, further comprising: sending uplink carrier indication information to the user equipment, wherein the uplink carrier indication information is configured to inform the user equipment to initiate a network access request through a specified type of uplink carrier, wherein the specified type of uplink carrier is a SUL carrier or a non-SUL carrier. ### Claim at position 15 15-30. (canceled) ### Claim 31 An apparatus for controlling network access, comprising: a processor; and a memory for storing processor executable instructions; wherein the processor is configured to: determine a target type carrier carrying traffic to be transmitted when a traffic request is to be initiated, wherein the target type carrier comprises: a supplementary uplink (SUL) carrier, or a non-SUL carrier; determine target access control (AC) configuration information applicable to the target type carrier according to AC configuration information issued by a base station; and determine whether the user equipment is allowed to perform an AC process through the target uplink carrier by matching the target AC configuration information against access detection information of the user equipment. ### Claim 32 (canceled) ### Claim 33 (depends on 31) The apparatus according to claim 31, wherein in response to that the user equipment is currently in any one of an inactive state, idle state, or out-of-synchronization state in a connected state, when determining the target type carrier carrying traffic to be transmitted, the processor is further configured to: determine the target type carrier according to a reference signal received power (RSRP); or, determine the target type carrier according to uplink carrier indication information issued by the base station, wherein the uplink carrier indication information is configured to inform the user equipment to initiate a random access request through a specified type of uplink carrier. ### Claim 34 (depends on 31) The apparatus according to claim 31, wherein in response to that the user equipment is currently in a connected state, the processor is further configured to determine the target type carrier by at least one of the following: determining the target type carrier according to latest historical scheduling information comprising uplink carrier grant information; determining the target type carrier according to a reference signal received power (RSRP); or determining the target type carrier according to uplink carrier indication information issued by the base station, wherein the uplink carrier indication information is configured to inform the user equipment to initiate a traffic request through a specified type of uplink carrier. ### Claim 35 (depends on 33) The apparatus according to claim 33, wherein when determining the target type carrier according to the RSRP, the processor is further configured to: compare a detected RSRP with a preset power threshold; determine the SUL carrier as the target type carrier when the RSRP is less than the preset power threshold; and determine the non-SUL carrier as the target type carrier when the RSRP is greater than or equal to the preset power threshold. ### Claim 36 (depends on 34) The apparatus according to claim 34, wherein when determining the target type carrier according to the latest historical scheduling information, the processor is further configured to: obtain an effective time duration of the historical scheduling information; determine an interval duration between a current time and a receiving time of the historical scheduling information; and determine the target type carrier according to the uplink carrier grant information in the historical scheduling information in response to that the interval duration is shorter than the effective time duration. ### Claim 37 (depends on 31) The apparatus according to claim 31, wherein when determining the target AC configuration information applicable to the target type carrier, the processor is further configured to: obtain first AC configuration information applicable to the non-SUL carrier when the target type carrier is the non-SUL carrier; and obtain second AC configuration information applicable to the SUL carrier when the target type carrier is the SUL carrier.