# US 11,452,049 B2 · Power sharing 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 11,452,049 B2 - Document ID: US11452049B2 - Status: Granted - Kind: B2 - Application number: 17/158,550 - Filed: 2021-01-26 - Published: 2021-05-20 - Granted: 2022-09-20 - Earliest claimed: 2018-07-27 - Assignees: Huawei Technologies Co., Ltd. - Applicants: Huawei Technologies Co., Ltd. - Inventors: Kang Wu; Yan Zhang - Web page: https://patentgrep.com/patent/US11452049B2 ## CPC - H04W 52/343: {taking into account loading or congestion level} - H04W 52/143: {Downlink power control} - H04W 52/34: TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading - H04W 52/346: {distributing total power among users or channels} - H04W 52/367: {Power values between minimum and maximum limits, e.g. dynamic range} - H04W 52/386: {centralized, e.g. when the radio network controller or equivalent takes part in the power control} - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract This application provides a power sharing method and apparatus. The method includes: estimating a first transmit power based on a traffic volume of terminal devices to be scheduled in a first carrier in a first scheduling period, where the first transmit power is a transmit power required in the first carrier to schedule the to-be-scheduled terminal devices in the first scheduling period; and estimating a second transmit power based on the first transmit power and an initially configured transmit power of the first carrier, where the second transmit power is a remaining transmit power of the first carrier in the first scheduling period. According to the power sharing method and apparatus provided in this application, a remaining transmit power of a carrier in a scheduling period is estimated based on the traffic volume of the to-be-scheduled terminal devices, thereby improving accuracy of transmit power sharing. ## Claims ### Claim 1 A power sharing method, comprising: estimating, by a network device, a first transmit power based on a traffic volume of to-be-scheduled terminal devices in a first carrier in a first scheduling period, wherein the first transmit power is a transmit power in the first carrier for scheduling the to-be-scheduled terminal devices in the first scheduling period; estimating, by the network device, a second transmit power based on the first transmit power and an initially configured transmit power of the first carrier, wherein the second transmit power is a remaining transmit power of the first carrier in the first scheduling period; calculating, by the network device, a third transmit power based on the second transmit power and a preset shared transmit power, wherein the third transmit power is a sharable transmit power of the first carrier in the first scheduling period; broadcasting, by the network device, information about the third transmit power to the transmit power sharing group; receiving, by the network device, information about a fourth transmit power, wherein the fourth transmit power is a sharable transmit power of a second carrier in the transmit power sharing group; and calculating, by the network device, a fifth transmit power based on the information about the third transmit power and the information about the fourth transmit power, wherein the fifth transmit power is an actually shared transmit power of the first carrier in the first scheduling period. ### Claim 2 (depends on 1) The method according to claim 1, wherein the method further comprises: exchanging, by the network device, the sharable transmit power of the first carrier and the sharable transmit power of the second carrier in the transmit power sharing group in a broadcast manner to perform transmit power sharing. ### Claim 3 (depends on 1) The method according to claim 1, wherein the transmit power sharing group comprises a plurality of carriers, and wherein the first carrier and the second carriers are any two carriers of the plurality of carriers in a transit power sharing group. ### Claim 4 (depends on 1) The method according to claim 1, wherein the method further comprises: calculating, by the network device, a sixth transmit power based on the fifth transmit power and the initially configured transmit power, wherein the sixth transmit power is a maximum transmit power in the first carrier to schedule the to-be-scheduled terminal devices in the first scheduling period; and scheduling, by the network device, the to-be-scheduled terminal devices based on the sixth transmit power in the first scheduling period. ### Claim 5 (depends on 4) The method according to claim 4, the method further comprises: determining, by the network device, that the first carrier has a remaining transit power after scheduling the to-be-scheduled terminal devices; collecting, by the network device, statistics about a scheduled terminal device of the scheduled terminal devices; determining, by the network device based on the statistics, that a transmit power of the scheduled terminal device can be boosted; and boosting, by the network device, the transmit power of the scheduled terminal device using the remaining transit power in the first carrier. ### Claim 6 (depends on 1) The method according to claim 1, wherein the broadcasting of the information about the third transmit power to the transmit power sharing group comprises: broadcasting, by the network device, the information about the third transmit power to the transmit power sharing group in a first preset time duration; and wherein the receiving of the information about the fourth transmit power comprises: receiving, by the network device, the information about the fourth transmit power in a second preset time duration, wherein an end moment of the first preset time duration is earlier than or equal to an end moment of the second preset time duration. ### Claim 7 (depends on 1) The method according to claim 1, wherein the estimating of the first transmit power based on the traffic volume of the to-be-scheduled terminal devices in the first carrier in the first scheduling period comprises: after completing scheduling the terminal devices in a second scheduling period, estimating, by the network device, the first transmit power based on the traffic volume of the to-be-scheduled terminal devices in the first carrier in the first scheduling period, wherein the first scheduling period is a next scheduling period after the second scheduling period. ### Claim 8 (depends on 7) The method according to claim 7, wherein when the second scheduling period is the first scheduling period, the completing of the scheduling of the terminal devices in the second scheduling period comprises: scheduling, by the network device, the terminal devices based on the initially configured transmit power of the first carrier. ### Claim 9 (depends on 1) The method according to claim 1, wherein the first transmit power comprises: an eighth transmit power required in the first carrier to schedule the to-be-scheduled terminal devices, and a ninth transmit power required in the first carrier to schedule the terminal devices that are in the to-be-scheduled terminal devices and whose transmit power can be boosted. ### Claim 10 A power sharing apparatus, comprising: a processor; and a memory coupled to the processor and storing programming instructions, which, when executed by the processor, cause the processor to: estimate a first transmit power based on a traffic volume of to-be-scheduled terminal devices in a first carrier in a first scheduling period, wherein the first transmit power is a transmit power in the first carrier for scheduling the to-be- scheduled terminal devices in the first scheduling period; estimate a second transmit power based on the first transmit power and an initially configured transmit power of the first carrier, wherein the second transmit power is a remaining transmit power of the first carrier in the first scheduling period; calculate a third transmit power based on the second transmit power and a preset shared transmit power, wherein the third transmit power is a sharable transmit power of the first carrier in the first scheduling period; broadcast information about the third transmit power to the transmit power sharing group; receive information about a fourth transmit power, wherein the fourth transmit power is a sharable transmit power of a second carrier in the transmit power sharing group; and calculate a fifth transmit power based on the information about the third transmit power and the information about the fourth transmit power, wherein the fifth transmit power is an actually shared transmit power of the first carrier in the first scheduling period. ### Claim 11 (depends on 10) The apparatus according to claim 10, wherein the programming instructions further cause the processor to: send, in a broadcast manner in a transmit power sharing group in which the first carrier is located, the sharable transmit power of the first carrier, to perform transmit power sharing. ### Claim 12 (depends on 10) The apparatus according to claim 10, wherein the transmit power sharing group comprises a plurality of carriers, and wherein the first carrier and the second carriers are any two carriers of the plurality of carriers in a transit power sharing group. ### Claim 13 (depends on 10) The apparatus according to claim 10, wherein the programming instructions further cause the processor to: calculate a sixth transmit power based on the fifth transmit power and the initially configured transmit power, wherein the sixth transmit power is a maximum transmit power in the first carrier to schedule the to-be-scheduled terminal devices in the first scheduling period; and schedule the to-be-scheduled terminal devices based on the sixth transmit power in the first scheduling period. ### Claim 14 (depends on 13) The apparatus according to claim 13, wherein the programming instructions further cause the processor to: determine that the first carrier has a remaining transit power after scheduling the to-be-scheduled terminal devices; collect statistics about a scheduled terminal device of the scheduled terminal devices; determining that a transmit power of the scheduled terminal device can be boosted; and boost the transmit power of the scheduled terminal device using the remaining transmit power in the first carrier. ### Claim 15 (depends on 10) The apparatus according to claim 10, wherein the programming instructions cause the processor to: broadcast the information about the third transmit power to the transmit power sharing group in a first preset time duration; and receive the information about the fourth transmit power in a second preset time duration, wherein an end moment of the first preset time duration is earlier than or equal to an end moment of the second preset time duration. ### Claim 16 (depends on 10) The apparatus according to claim 10, wherein the programming instructions cause the processor to: complete scheduling the terminal devices in a second scheduling period; and estimate the first transmit power based on the traffic volume of the to-be-scheduled terminal devices in the first carrier in the first scheduling period, wherein the first scheduling period is a next scheduling period after the second scheduling period. ### Claim 17 (depends on 16) The apparatus according to claim 16, wherein the programming instructions cause the processor to: schedule the terminal devices based on the initially configured transmit power of the first carrier. ### Claim 18 A non-transitory computer-readable storage medium storing programming instructions, which, when executed by a processor of a network device, cause the processor to perform operations comprising: estimating a first transmit power based on a traffic volume of to-be-scheduled terminal devices in a first carrier in a first scheduling period, wherein the first transmit power is a transmit power in the first carrier for scheduling the to-be-scheduled terminal devices in the first scheduling period; estimating a second transmit power based on the first transmit power and an initially configured transmit power of the first carrier, wherein the second transmit power is a remaining transmit power of the first carrier in the first scheduling period; calculating a third transmit power based on the second transmit power and a preset shared transmit power, wherein the third transmit power is a sharable transmit power of the first carrier in the first scheduling period; broadcasting information about the third transmit power to the transmit power sharing group; receiving information about a fourth transmit power, wherein the fourth transmit power is a sharable transmit power of a second carrier in the transmit power sharing group; and calculating a fifth transmit power based on the information about the third transmit power and the information about the fourth transmit power, wherein the fifth transmit power is an actually shared transmit power of the first carrier in the first scheduling period. ### Claim 19 (depends on 18) The non-transitory computer-readable storage medium of claim 18, the operations further comprising: exchanging the sharable transmit power of the first carrier and the sharable transmit power of the second carrier in the transmit power sharing group in a broadcast manner to perform transmit power sharing. ### Claim 20 (depends on 18) The non-transitory computer-readable storage medium of claim 18, wherein the transmit power sharing group comprises a plurality of carriers, and wherein the first carrier and the second carriers are any two carriers of the plurality of carriers in a transit power sharing group.