# US 2019/0174398 A1 · Method and device for sending system information > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0174398 A1 - Document ID: US20190174398A1 - Status: Published application - Kind: A1 - Application number: 16/271,543 - Filed: 2019-02-08 - Published: 2019-06-06 - Earliest claimed: 2016-08-09 - Assignees: Huawei Technologies Co., Ltd. - Applicants: Huawei Technologies Co., Ltd. - Inventors: Tingting GENG; Hongping ZHANG; Yalin LIU - Web page: https://patentgrep.com/patent/US20190174398A1 ## CPC - H04W 48/10: using broadcasted information - H04W 48/16: Discovering, processing access restriction or access information - H04W 52/0216: {using a pre-established activity schedule, e.g. traffic indication frame} - H04W 72/0446: Resources in time domain, e.g. slots or frames - H04W 72/121: for groups of terminals or users - H04W 72/30: Resource management for broadcast services - H04W 48/14: using user query {or user detection} - Y02D 30/70: in wireless communication networks - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - Y02D: CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE ## Abstract Embodiments of the present invention relate to the communications field, and provide a method and device for sending system information. The method comprises: a terminal receives a broadcast message from a network device, the broadcast message comprises indication information for an system information (SI) and wherein that the indication information is for indicating that whether the SI is being broadcasted or not, in case that the indication information indicating that the SI is not being broadcasted, the terminal sends a system information request to the network device for acquiring the SI. ## Claims ### Claim 1 A method for sending system information, comprising: receiving, by a terminal, a broadcast message from a network device, the broadcast message comprises indication information for an system information (SI), and wherein that the indication information is for indicating that whether the SI is being broadcasted or not. ### Claim 2 (depends on 1) The method according to the claim 1, wherein in case that the indication information indicating that the SI is not being broadcasted, the method comprises: sending, by the terminal, a system information request to the network device for acquiring the SI. ### Claim 3 (depends on 2) The method according to the claim 2, wherein the system information request includes an index of the SI. ### Claim 4 (depends on 2) The method according to the claim 2, wherein the system information request includes bitmap, the bitmap includes a bit, wherein that a value of the bit indicating that the terminal requests to acquire the SI from the network device, or a value of the bit indicating that the terminal does not request to acquire the SI from the network device. ### Claim 5 (depends on 2) The method according to claim 2, wherein the broadcast message includes sending occasion(s) for the SI, the method comprises: after the terminal sent the system information request, the terminal receives the SI on a nearest sending occasion of the sending occasion(s) broadcasted in the broadcast message. ### Claim 6 (depends on 1) The method according to claim 1, wherein in case that the indication information indicating that the SI is being broadcasted, the method comprises: acquiring, by the terminal, time-frequency resource(s) of the SI according to scheduling information in the broadcast message and receiving the SI on the time-frequency resource(s). ### Claim 7 (depends on 1) The method according to claim 1, wherein the SI includes a validity time applied for the SI. ### Claim 8 An apparatus for sending system information, comprising: a processing circuitry, configured to obtain a broadcast message from a network device, the broadcast message comprises indication information for an system information (SI), and wherein that the indication information is for indicating that whether the SI is being broadcasted or not. ### Claim 9 (depends on 8) The apparatus according to the claim 8, wherein the apparatus comprises a transceiver configured to send, wherein in case that the indication information indicating that the SI is not being broadcasted, a system information request to the network device for acquiring the SI. ### Claim 10 (depends on 9) The apparatus according to the claim 9, wherein the system information request includes an index of the SI. ### Claim 11 (depends on 9) The apparatus according to the claim 9, wherein the system information request includes bitmap, the bitmap includes a bit, wherein that a value of the bit indicating that the apparatus requests to acquire the SI from the network device, or a value of the bit indicating that the apparatus does not request to acquire the SI from the network device. ### Claim 12 (depends on 9) The apparatus according to claim 9, wherein the broadcast message includes sending occasion(s) for the SI, and wherein the processing circuitry configured to obtain, after the terminal sent the system information request, the SI on a nearest sending occasion of the sending occasion(s) broadcasted in the broadcast message. ### Claim 13 (depends on 8) The apparatus according to claim 8, wherein the processing circuitry configured to acquire, wherein in case that the indication information indicating that the SI is being broadcasted, time-frequency resource(s) of the SI according to scheduling information in the broadcast message and obtain the SI on the time-frequency resource(s). ### Claim 14 (depends on 8) The apparatus according to claim 8, wherein the SI includes a validity time applied for the SI. ### Claim 15 A computer-readable storage medium, applied for a terminal, wherein the computer-readable storage medium has instructions, and the instructions executed on the terminal to perform operations of: receiving, by the terminal, a broadcast message from a network device, the broadcast message comprises indication information for an system information (SI), and wherein that the indication information is for indicating that whether the SI is being broadcasted or not. ### Claim 16 (depends on 15) The computer-readable storage medium according to the claim 15, wherein in case that the indication information indicating that the SI is not being broadcasted, and wherein that the computer-readable storage medium has instructions that executed on the terminal to perform operations of: sending, by the terminal, a system information request to the network device for acquiring the SI. ### Claim 17 (depends on 16) The computer-readable storage medium according to the claim 16, wherein the system information request includes an index of the SI. ### Claim 18 (depends on 16) The computer-readable storage medium according to the claim 16, wherein the system information request includes bitmap, the bitmap includes a bit, wherein that a value of the bit indicating that the terminal requests to acquire the SI from the network device, or a value of the bit indicating that the terminal does not request to acquire the SI from the network device. ### Claim 19 (depends on 16) The computer-readable storage medium according to claim 16, wherein the broadcast message includes sending occasion(s) for the SI, and wherein that the computer-readable storage medium has instructions that executed on the terminal to perform operations of: the terminal receives, after the terminal sent the system information request, the SI on a nearest sending occasion of the sending occasion(s) broadcasted in the broadcast message. ### Claim 20 (depends on 15) The computer-readable storage medium according to claim 15, wherein in case that the indication information indicating that the SI is being broadcasted, and wherein that the computer-readable storage medium has instructions that executed on the terminal to perform operations of: acquiring, by the terminal, time-frequency resource(s) of the SI according to scheduling information in the broadcast message and receiving the SI on the time-frequency resource(s).