# US 2016/0262172 A1 · Data transmission method and user equipment > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2016/0262172 A1 - Document ID: US20160262172A1 - Status: Published application - Kind: A1 - Application number: 15/153,196 - Filed: 2016-05-12 - Published: 2016-09-08 - Earliest claimed: 2013-11-15 - Assignees: Huawei Technologies Co., Ltd. - Applicants: Huawei Technologies Co., Ltd. - Inventors: Zhiyu Yan; Xiaoan Fan; Sha Ma; Qiang Li - Web page: https://patentgrep.com/patent/US20160262172A1 ## CPC - H04W 72/1268: of uplink data flows - H04L 43/16: Threshold monitoring - H04W 52/367: {Power values between minimum and maximum limits, e.g. dynamic range} - H04W 84/045: {using private Base Stations, e.g. femto Base Stations, home Node B} - 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 data transmission method and user equipment is provides. The method includes: sending, by user equipment (UE), auxiliary scheduling information to a first part of or all of network side devices, an uplink transmission state of the UE is determined according to the auxiliary scheduling information, and perform scheduling on the UE according to the uplink transmission state of the UE, where the uplink transmission state is a first uplink transmission state in which uplink data can be simultaneously transmitted on an uplink carrier corresponding to all of the network side devices, or is a second uplink transmission state in which uplink data can be simultaneously transmitted on an uplink carrier corresponding to a second part of the network side devices; and transmitting, by the UE, data according to scheduling information of the second part of or all of the network side devices. ## Claims ### Claim 1 A data transmission method, comprising: sending, by user equipment (UE), auxiliary scheduling information to a first part of or all of network side devices, to instruct the first part of or all of the network side devices to determine an uplink transmission state of the UE according to the auxiliary scheduling information and determine, according to the uplink transmission state of the UE, whether network side devices that can trigger the UE to transmit data are all of the network side devices or are a second part of the network side devices, wherein the uplink transmission state is a first uplink transmission state in which uplink data can be simultaneously transmitted on an uplink carrier corresponding to all of the network side devices, or is a second uplink transmission state in which uplink data can be simultaneously transmitted on an uplink carrier corresponding to the second part of the network side devices; and transmitting, by the UE, data according to scheduling information sent by the second part of or all of the network side devices. ### Claim 2 (depends on 1) The method according to claim 1, wherein the auxiliary scheduling information comprises: indication information for indicating an uplink transmission state suggested by the UE or indicating that the UE needs to switch an uplink transmission state; or power information. ### Claim 3 (depends on 2) The method according to claim 2, wherein the suggested uplink transmission state or that the UE needs to switch an uplink transmission state is determined by: determining, by the UE, a transmit power of an uplink channel to be sent to each network side device, and determining, according to a sum of all determined transmit powers and a maximum transmit power of the UE, the suggested uplink transmission state or that the UE needs to switch an uplink transmission state. ### Claim 4 (depends on 3) The method according to claim 3, wherein determining, according to a sum of all determined transmit powers and a maximum transmit power of the UE, the suggested uplink transmission state or that the UE needs to switch an uplink transmission state comprises: if a current uplink transmission state of the UE is the second transmission state, comparing, with a preset first threshold, a quantity of times that the sum of the transmit powers exceeds the maximum transmit power within a preset time period, and if the quantity of times within the preset time period is less than the preset first threshold, determining that the suggested uplink transmission state is the first uplink transmission state, or determining that the uplink transmission state of the UE needs to be switched from the second transmission state to the first transmission state; or if a current uplink transmission state of the UE is the first transmission state, comparing, with a preset second threshold, a quantity of times that the sum of the transmit powers exceeds the maximum transmit power within a preset time period, and if the quantity of times within the preset time period is greater than the preset second threshold, determining that the suggested uplink transmission state is the second uplink transmission state, or determining that the uplink transmission state of the UE needs to be switched from the first transmission state to the second transmission state. ### Claim 5 (depends on 1) The method according to claim 1, wherein sending, by user equipment UE, auxiliary scheduling information to a first part of or all of network side devices comprises: when the first part of the network side devices can control scheduling by another network side device, sending, by the UE, the auxiliary scheduling information to the first part of the network side devices. ### Claim 6 A data transmission method, comprising: receiving, by a network side device, auxiliary scheduling information sent by user equipment (UE); determining, by the network side device, an uplink transmission state of the UE according to the auxiliary scheduling information, wherein the uplink transmission state is a first uplink transmission state in which uplink data can be simultaneously transmitted on an uplink carrier corresponding to all of network side devices, or is a second uplink transmission state in which uplink data can be simultaneously transmitted on an uplink carrier corresponding to a part of network side devices; and determining, by the network side device according to the determined uplink transmission state, whether network side devices that can trigger the UE to transmit data are all of the network side devices or are the part of the network side devices. ### Claim 7 (depends on 6) The method according to claim 6, wherein determining, by the network side device, an uplink transmission state of the UE according to the auxiliary scheduling information comprises: determining, by the network side device, the uplink transmission state of the UE according to power information sent by the UE; or determining, by the network side device, the uplink transmission state of the UE according to indication information sent by the UE, wherein the indication information is used to indicate an uplink transmission state suggested by the UE or indicate that the UE needs to switch an uplink transmission state. ### Claim 8 (depends on 7) The method according to claim 7, wherein determining, by the network side device, the uplink transmission state of the UE according to power information sent by the UE comprises: determining, by the network side device according to the power information, a transmit power of an uplink channel that is to be sent by the UE to each network side device; and determining, by the network side device, the uplink transmission state of the UE according to a sum of all determined transmit powers and a maximum transmit power of the UE. ### Claim 9 (depends on 7) The method according to claim 7, wherein determining, by the network side device, the uplink transmission state of the UE according to a sum of all determined transmit powers and a maximum transmit power of the UE comprises: if a current uplink transmission state of the UE is the second transmission state, comparing, by the network side device with a preset first threshold, a quantity of times that the sum of the transmit powers exceeds the maximum transmit power within a preset time period, and if the quantity of times within the preset time period is less than the preset first threshold, determining that the uplink transmission state of the UE is the first uplink transmission state; or if a current uplink transmission state of the UE is the first transmission state, comparing, by the network side device with a preset second threshold, a quantity of times that the sum of the transmit powers exceeds the maximum transmit power within a preset time period, and if the quantity of times within the preset time period is greater than the preset second threshold, determining that the uplink transmission state of the UE is the second uplink transmission state. ### Claim 10 (depends on 6) The method according to claim 6, further comprising: determining, by the network side device, scheduling manners of all of the network side devices or the part of the network side devices for the UE; notifying, by the network side device, the UE of the uplink transmission state determined by the network side device and the scheduling manner for the UE; forwarding, by the network side device, the determined uplink transmission state and the scheduling manner for the UE to another network side device, and notifying the another network side device to trigger, according to the determined uplink transmission state and the scheduling manner for the UE, the UE to transmit data. ### Claim 11 User equipment, comprising: a sender, configured to: send auxiliary scheduling information to a first part of or all of network side devices, to instruct the first part of or all of the network side devices to determine an uplink transmission state of the user equipment UE according to the auxiliary scheduling information and determine, according to the uplink transmission state of the UE, whether network side devices that can trigger the UE to transmit data are all of the network side devices or are a second part of the network side devices, wherein the uplink transmission state is a first uplink transmission state in which uplink data can be simultaneously transmitted on an uplink carrier corresponding to all of the network side devices, or is a second uplink transmission state in which uplink data can be simultaneously transmitted on an uplink carrier corresponding to the second part of the network side devices, and transmit data according to scheduling information sent by the second part of or all of the network side devices; and a processor, configured to process data before the sender transmits the data. ### Claim 12 (depends on 11) The user equipment according to claim 11, wherein the auxiliary scheduling information comprises: indication information for indicating an uplink transmission state suggested by the UE or indicating that the UE needs to switch an uplink transmission state; or power information. ### Claim 13 (depends on 12) The user equipment according to claim 12, wherein the processor is further configured to: determine a transmit power of an uplink channel to be sent to each network side device; and determine, according to a sum of all determined transmit powers and a maximum transmit power of the UE, the suggested uplink transmission state or that the UE needs to switch an uplink transmission state. ### Claim 14 (depends on 13) The user equipment according to claim 13, wherein the processor is configured to: if a current uplink transmission state of the UE is the second transmission state, compare, with a preset first threshold, a quantity of times that the sum of the transmit powers exceeds the maximum transmit power within a preset time period, and if the quantity of times within the preset time period is less than the preset first threshold, determine that the suggested uplink transmission state is the first uplink transmission state, or determine that the uplink transmission state of the UE needs to be switched from the first transmission state to the second transmission state; or if a current uplink transmission state of the UE is the first transmission state, compare, with a preset second threshold, a quantity of times that the sum of the transmit powers exceeds the maximum transmit power within a preset time period, and if the quantity of times within the preset time period is greater than the preset second threshold, determine that the suggested uplink transmission state is the second uplink transmission state, or determine that the uplink transmission state of the UE needs to be switched from the first transmission state to the second transmission state. ### Claim 15 (depends on 11) The user equipment according to claim 11, wherein the sender is configured to: when the first part of the network side devices can control scheduling by another network side device, send the auxiliary scheduling information to the first part of the network side devices. ### Claim 16 A network side device, comprising: a receiver, configured to receive auxiliary scheduling information sent by user equipment UE; and a processor, configured to: determine an uplink transmission state of the UE according to the auxiliary scheduling information, wherein the uplink transmission state is a first uplink transmission state in which uplink data can be simultaneously transmitted on an uplink carrier corresponding to all of network side devices, or is a second uplink transmission state in which uplink data can be simultaneously transmitted on an uplink carrier corresponding to a second part of network side devices, determine, according to the determined uplink transmission state, whether network side devices that can trigger the UE to transmit data are all of the network side devices or are the part of the network side devices. ### Claim 17 (depends on 16) The user equipment according to claim 16, wherein the processor is configured to: determine the uplink transmission state of the UE according to power information sent by the UE; or determine the uplink transmission state of the UE according to indication information sent by the UE, wherein the indication information is used to indicate an uplink transmission state suggested by the UE or indicate that the UE needs to switch an uplink transmission state. ### Claim 18 (depends on 17) The network side device according to claim 17, wherein the processor is configured to: determine, according to the power information, a transmit power of an uplink channel that is to be sent by the UE to each network side device; and determine the uplink transmission state of the UE according to a sum of all determined transmit powers and a maximum transmit power of the UE. ### Claim 19 (depends on 18) The network side device according to claim 18, wherein the processor is configured to: if a current uplink transmission state of the UE is the second transmission state, compare, with a preset first threshold, a quantity of times that the sum of the transmit powers exceeds the maximum transmit power within a preset time period, and if the quantity of times within the preset time period is less than the preset first threshold, determine that the uplink transmission state of the UE is the first uplink transmission state; or if a current uplink transmission state of the UE is the first transmission state, compare, with a preset second threshold, a quantity of times that the sum of the transmit powers exceeds the maximum transmit power within a preset time period, and if the quantity of times within the preset time period is greater than the preset second threshold, determine that the uplink transmission state of the UE is the second uplink transmission state. ### Claim 20 (depends on 16) The network side device according to claim 16, wherein: the processor is further configured to determine scheduling manners of all of the network side devices or the part of the network side devices for the UE; and the network side device further comprises: a sender, configured to notify the UE of the uplink transmission state determined by the network side device and the scheduling manner for the UE. ### Claim 21 (depends on 20) The network side device according to claim 20, wherein the sender is further configured to: forward the determined uplink transmission state and the scheduling manner for the UE to another network side device; and notify the other network side device to trigger, according to the determined uplink transmission state and the scheduling manner for the UE, the UE to transmit data.