# US 2017/0289969 A1 · User equipment, network side device and method for controlling user equipment > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2017/0289969 A1 - Document ID: US20170289969A1 - Status: Published application - Kind: A1 - Application number: 15/467,048 - Filed: 2017-03-23 - Published: 2017-10-05 - Earliest claimed: 2016-04-01 - Assignees: Spreadtrum Communications (Shanghai) Co., Ltd. - Applicants: Spreadtrum Communications (Shanghai) Co., Ltd. - Inventors: Huayu Zhou; Weijie Xu; Zhengang Pan; Yanan Jia - Web page: https://patentgrep.com/patent/US20170289969A1 ## CPC - H04L 5/0053: {Allocation of signalling, i.e. of overhead other than pilot signals} - H04L 5/0091: {Signalling for the administration of the divided path, e.g. signalling of configuration information} - H04L 27/0008: {arrangements for allowing a transmitter or receiver to use more than one type of modulation (negotiating modulation type for two-way transmission paths H04L5/1453)} - H04L 27/2636: {with FFT or DFT modulators, e.g. standard single-carrier frequency-division multiple access [SC-FDMA] transmitter or DFT spread orthogonal frequency division multiplexing [DFT-SOFDM]} - H04L 27/2646: {using feedback from receiver for adjusting OFDM transmission parameters, e.g. transmission timing or guard interval length} - H04L 5/0044: {Allocation of payload; Allocation of data channels, e.g. PDSCH or PUSCH} - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) ## Abstract A user equipment, a network side device and a method for controlling the user equipment. The method includes: generating control information of the user equipment, wherein the control information is adapted to indicate configuration of downlink data reception of the user equipment or configuration of uplink data transmission of the user equipment; adding the generated control information to downlink control signaling; and transmitting the downlink control signaling to the user equipment to instruct the user equipment to configure corresponding parameters according to the control information for data transmission with the network side. The present disclosure can improve configuration flexibility of the user equipment. ## Claims ### Claim 1 A method for controlling a user equipment, comprising: generating control information of the user equipment, wherein the control information is adapted to indicate configuration of downlink data reception of the user equipment or configuration of uplink data transmission of the user equipment; adding the generated control information to downlink control signaling; and transmitting the downlink control signaling to the user equipment to instruct the user equipment to configure corresponding parameters according to the control information for data transmission with a network side. ### Claim 2 (depends on 1) The method for controlling the user equipment according to claim 1, wherein the control information comprises at least one of subcarrier configuration information and signal waveform configuration information. ### Claim 3 (depends on 2) The method for controlling the user equipment according to claim 2, wherein the subcarrier configuration information comprises configuration information of a plurality of groups of subcarrier parameters, and configuration information of each group of the plurality of groups of subcarrier parameters comprises at least one of a subcarrier spacing, a cyclic prefix length, number of subcarriers in a resource unit, number of symbols in the resource unit and mode information of a group of reference signals or a plurality of groups of reference signals. ### Claim 4 (depends on 2) The method for controlling the user equipment according to claim 2, wherein the signal waveform configuration information comprises any of multi-carrier waveforms and single carrier waveforms, and the multi-carrier waveforms and the single-carrier waveforms are selected from a set of preset signal waveforms. ### Claim 5 (depends on 1) The method for controlling the user equipment according to claim 1, wherein the downlink control signaling is physical layer control signaling. ### Claim 6 (depends on 5) The method for controlling the user equipment according to claim 5, wherein generating the control information of the user equipment comprises: selecting a configuration element from a preset configuration set by the physical layer control signaling, and using the selected configuration element as the control information. ### Claim 7 (depends on 5) The method for controlling the user equipment according to claim 5, wherein generating the control information of the user equipment comprises: selecting J configuration elements from M configuration elements in a preset configuration set by Radio Resource Control (RRC) signaling; wherein M and J are positive integers and J is less than or equal to M; and selecting a configuration element from the selected J configuration elements by the physical layer control signaling as the control information. ### Claim 8 (depends on 6) The method for controlling the user equipment according to claim 6, wherein adding the generated control information to the downlink control signaling comprises: adding an index corresponding to the selected configuration element to the physical layer control signaling. ### Claim 9 (depends on 7) The method for controlling the user equipment according to claim 7, wherein adding the generated control information to the downlink control signaling comprises: adding an index corresponding to the selected configuration element to the physical layer control signaling. ### Claim 10 (depends on 6) The method for controlling the user equipment according to claim 6, wherein the configuration element comprises at least one of subcarrier configuration information and signal waveform configuration information. ### Claim 11 (depends on 7) The method for controlling the user equipment according to claim 7, wherein the configuration element comprises at least one of subcarrier configuration information and signal waveform configuration information. ### Claim 12 (depends on 1) The method for controlling the user equipment according to claim 1, wherein instructing the user equipment to configure the corresponding parameters according to the control information for the data transmission with the network side comprises: instructing the user equipment to configure the corresponding parameters in accordance with the control information during a preset time period or before receiving next control information, and instructing the user equipment to use preset parameters to perform data transmission with the network side when the preset time period is due. ### Claim 13 (depends on 12) The method for controlling the user equipment according to claim 12, wherein the preset parameters are transmitted to the user equipment by a system information. ### Claim 14 (depends on 12) The method for controlling the user equipment according to claim 12, wherein the preset parameters are transmitted to the user equipment by RRC signaling. ### Claim 15 (depends on 5) The method for controlling the user equipment according to claim 5, wherein the physical layer control signaling comprises common control signaling and dedicated control signaling; wherein the common control signaling comprises control information of a group of or all user equipments accessing a corresponding cell; and wherein the dedicated control signaling comprises control information of one user equipment accessing the corresponding cell. ### Claim 16 (depends on 15) The method for controlling the user equipment according to claim 15, wherein adding the generated control information to the downlink control signaling comprises adding the generated control information to the common control signaling or adding the generated control information to the dedicated control signaling according to a network condition. ### Claim 17 (depends on 16) The method for controlling the user equipment according to claim 16, wherein the common control signaling and the dedicated control signaling are transmitted periodically, and a transmission period of the common control signaling is longer than a transmission period of the dedicated control signaling. ### Claim 18 (depends on 17) The method for controlling the user equipment according to claim 17, wherein the common control signaling further comprises information on a receiving object of all of the dedicated control signaling before next common control signaling arriving, to instruct the receiving object to detect the dedicated control signaling; and wherein the reception object is one of the user equipments accessing the corresponding cell. ### Claim 19 (depends on 15) The method for controlling the user equipment according to claim 15, wherein the common control signaling is transmitted using a Long Term Evolution (LTE) carrier, and the dedicated control signaling is transmitted using a 5G carrier. ### Claim 20 A method for controlling a user equipment, comprising: decoding the downlink control signaling to obtain control information when downlink control signaling transmitted by a network side is received, wherein the control information is adapted to indicate configuration of downlink data reception of the user equipment or configuration of uplink data transmission of the user equipment; and configuring corresponding parameters in accordance with the control information, to perform data transmission with the network side. ### Claim 21 (depends on 20) The method for controlling the user equipment according to claim 20, wherein the control information comprises at least one of subcarrier configuration information and signal waveform configuration information. ### Claim 22 (depends on 21) The method for controlling the user equipment according to claim 21, wherein the subcarrier configuration information comprises configuration information of a plurality of groups of subcarrier parameters, and configuration information of each group of the plurality of groups of subcarrier parameters comprises at least one of a subcarrier spacing, a cyclic prefix length, number of subcarriers in a resource unit, number of symbols in the resource unit and mode information of a group of reference signals or a plurality of groups of reference signals. ### Claim 23 (depends on 21) The method for controlling the user equipment according to claim 21, wherein the signal waveform configuration information comprises any of multi-carrier waveforms and single carrier waveforms, and the multi-carrier waveforms and the single-carrier waveforms are selected from a set of preset signal waveforms. ### Claim 24 (depends on 20) The method for controlling the user equipment according to claim 20, wherein the downlink control signaling is physical layer control signaling. ### Claim 25 (depends on 24) The method for controlling the user equipment according to claim 24, wherein decoding the downlink control signaling to obtain the control information comprises: decoding index information from the downlink control signaling; and searching a preset index table to obtain a corresponding configuration element as the control information based on the decoded index information, wherein the index table comprises a one-to-one correspondence relationship between indexes and configuration elements. ### Claim 26 (depends on 20) The method for controlling the user equipment according to claim 20, wherein performing the data transmission with the network side comprises: performing the data transmission with the network side using the corresponding parameters in a preset time period or before receiving next control information. ### Claim 27 (depends on 26) The method for controlling the user equipment according to claim 26, further comprising: performing the data transmission with the network side using preset parameters when the preset time period is due. ### Claim 28 (depends on 24) The method for controlling the user equipment according to claim 24, wherein the physical layer control signaling comprises common control signaling and dedicated control signaling; wherein the common control signaling comprises control information of a group of or all user equipments accessing a corresponding cell; and wherein the dedicated control signaling comprises control information of a user equipment accessing a corresponding cell. ### Claim 29 (depends on 28) The method for controlling the user equipment according to claim 28, wherein the common control signaling and the dedicated control signaling are transmitted periodically, and a transmission period of the common control signaling is longer than a transmission period of the dedicated control signaling. ### Claim 30 (depends on 29) The method for controlling the user equipment according to claim 29, wherein the common control signaling further comprises identification information of all of the dedicated control signaling and identification information of a corresponding receiving object before next common control signaling arriving; and wherein decoding the downlink control signaling to obtain the control information comprises: decoding the identification information of all of the dedicated control signaling and the identification information of the corresponding receiving object from the received common control signaling before the next common control signaling arriving; and when it is determined that identification information of the user equipment itself is coincident with the decoded identification information of the receiving object, receiving and decoding corresponding dedicated control signaling to obtain the control information. ### Claim 31 (depends on 20) The method for controlling the user equipment according to claim 20, wherein the control information is applied to configure corresponding parameters of a data transmission channel of the user equipment. ### Claim 32 (depends on 20) The method for controlling the user equipment according to claim 20, further comprising: configuring a common physical channel using preset configuration parameters. ### Claim 33 (depends on 32) The method for controlling the user equipment according to claim 32, wherein the preset configuration parameters comprises at least one of subcarrier configuration information and signal waveform configuration information.