Abstract: A power saving method includes: sending, by a terminal device, first information to a network device, where the first information is used to indicate processing time for the terminal device to process to-be-processed information; and configuring, by the network device, a time domain resource for the to-be-processed information based on the first information, and sending second information to the terminal device, where the second information is used to indicate the time domain resource. After receiving the second information, the terminal device adjusts the foregoing processing time based on the time domain resource indicated by the second information, to relax a clock of each module corresponding to the processing time. Thereby, a terminal device power saving is implemented. In addition, the network device configures the time domain resource based on the processing time of the terminal device that is indicated by the first information.

Abstract: This application discloses an information transmission method and a communications apparatus, and pertains to the field of communications technologies. The method includes: A terminal device receives first DCI sent by a network device, and determines an operation mode of an inactivity timer based on an indication of the first DCI, where the first DCI carries first indication information and second indication information, the first indication information is used to indicate data transmission, and the second indication information is used to indicate an operation mode of the inactivity timer in DRX.

Abstract: The present disclosure relates to detecting methods, transmitting methods, and apparatus for a common control channel. One example detecting method includes determining a candidate resource set within downlink resources of a current cell. The candidate resource set can include at least one candidate resource carrying a common control channel of the current cell. A detection is performed on the at least one candidate resource in the candidate resource set, so as to acquire the common control channel of the current cell.

Abstract: Embodiments provide methods and devices for data transmission and assignment of uplink control channel resources in an uplink FDD carrier, for enabling a terminal device to provide HARQ feedback for data transmitted in the downlink using carrier aggregation of a downlink FDD carrier and at least one TDD carrier. A method includes associating each downlink subframe in the downlink FDD carrier with an uplink control channel subframe in the uplink FDD carrier, associating each downlink subframe and special subframe in the TDD carrier with an uplink control channel subframe in the uplink FDD carrier, assigning uplink control channel resources in the uplink FDD carrier to the terminal device according to the associations, and transmitting data on said downlink FDD carrier and/or TDD carrier, to be received by the terminal device.

Abstract: This application provides a control channel detection method, apparatus, and device. The method includes: A terminal device determines that resources of at least two candidate control channels overlap, where any two of the at least two candidate control channels are located in different search spaces; and the terminal device detects only at least one first candidate control channel in the at least two candidate control channels. This improves control channel detection reliability.

Abstract: In a bandwidth allocation method, user equipment (UE) receives virtual bandwidth configuration information and performs signal reception and/or signal processing according to a virtual bandwidth indicated by the virtual bandwidth configuration information, where the virtual bandwidth configuration information is used for indicating a configuration of the virtual bandwidth. The virtual bandwidth is a part or all of a downlink maximum available bandwidth or a downlink transmission bandwidth, and the downlink maximum available bandwidth is a maximum bandwidth available for downlink transmission. In this way, reduction of overheads and reduction of complexity of signal reception and signal processing are implemented, and overheads and complexity of signal reception and processing feedback can be flexibly controlled.

Abstract: A resource configuration method and apparatus are provided. In an example implementation, the method includes: receiving, by a terminal, indication information, where the indication information indicates a subcarrier width used for a first control channel, a maximum quantity of symbols occupied by the first control channel is determined based on the subcarrier width, and the different subcarrier widths correspond to different maximum symbol quantities; and determining, by the terminal based on the indication information, a quantity of symbols occupied by the first control channel, where the quantity of symbols occupied by the first control channel is less than or equal to the maximum quantity of symbols.

Abstract: A communication method for using an unlicensed frequency band is provided. The method includes: A first wireless device receives first indication information in a first time unit, where the first indication information is used to indicate a second wireless device to transmit data in a second time unit, or the first indication information is used to indicate a second wireless device not to transmit data in a second time unit, where the second time unit is a preset time unit used by the second wireless device to transmit data.

Abstract: The present disclosure provides a method including: determining, by a network device, a resource element group corresponding to a control channel, where the resource element group includes a first resource element for carrying downlink control information and a second resource element for carrying a reference signal, and the reference signal is used to demodulate the downlink control information carried by the resource element group; and sending the downlink control information by using the control channel, wherein resource elements comprised in the resource element group are distributed in all symbols of a time domain resource occupied by the control channel. This provides a possibility of supporting forward compatibility.

Abstract: A candidate control channel resource determining method and apparatus are provided. Under the method, a first and a second aggregation level can be determined by a terminal. The aggregation level is a quantity of control channel resource elements in a candidate control channel. The first aggregation level is less than the second aggregation level. Control channel resource elements in a candidate control channel set corresponding to the second aggregation level form a first quantity of candidate control channel sets corresponding to the first aggregation level. One of the first quantity of candidate control channel sets corresponding to the first aggregation level can be determined as a target set based on an identifier of the terminal. A control channel resource element occupied by each candidate control channel in the target set can be determined. A candidate control channel in the target set can be detected for a received signal.

Abstract: A communication method, a device, and an apparatus are provided. A network device determines N configuration parameter sets configured for a terminal device, where each of the N configuration parameter sets includes a parameter for detecting a candidate downlink control channel, and N is an integer greater than or equal to 2. The network device sends information about the N configuration parameter sets to the terminal device. Each of the N configuration parameter sets includes at least one of the following parameters: a bandwidth part, a search space parameter, a candidate downlink control channel detection period, a control resource set parameter, or a time domain resource set corresponding to the candidate downlink control channel. The network device may configure the N configuration parameter sets for the terminal device.

Abstract: A method for detecting a discovery reference signal includes: detecting, by a terminal device, a candidate sequence of a discovery reference signal at a candidate time-frequency resource location of the discovery reference signal to determine an actual time-frequency resource location and an actual sequence of the discovery reference signal, wherein the a candidate sequence includes the actual sequence, and the a candidate time-frequency resource location includes the actual time-frequency resource location; determining, by the terminal device, a value of information, and a mapping relationship between the value and the candidate sequence and/or the candidate time-frequency resource location; and determining, by the terminal device, an actual value from the value according to the actual sequence and/or the actual time-frequency resource location, and the mapping relationship.

Abstract: A slot type indication method and an apparatus and a slot type determining method and an apparatus are provided. Under the slot type indication method, a first indication information can be generated by a network device. The first indication information indicates a slot type of a first slot. When the slot type of the first slot is a predefined type, the first indication information further indicates whether a second slot is an uplink-only slot, and the first slot is a slot that includes a downlink control channel. The first indication information can be sent, by the network device, by using the downlink control channel of the first slot.

Abstract: A downlink channel decoding method, a downlink information transmission method, a user equipment, and a base station are provided. The downlink channel decoding method includes: determining, by a user equipment, a resource unit occupied by a DMRS; and decoding a downlink channel based on the DMRS transmitted on the resource unit. The present invention can enable different DMRS patterns to concurrently exist on an NCT carrier. In a downlink transmission process, a DMRS pattern used for downlink transmission is determined according to priorities of different channels and/or signals, which can ensure optimal performance of a high-priority channel and/or signal, and can further improve downlink transmission performance.

Abstract: A transmission timing information sending method, a transmission timing information receiving method, and related apparatus are disclosed. In an embodiment a method includes configuring, by a base station, higher layer signaling, wherein the higher layer signaling comprises at least one transmission timing set comprising at least one transmission timing value, and the at least one transmission timing set is related to at least one of the following factors: a subcarrier width, a TDD manner, or a terminal capability, sending, by the base station, the higher layer signaling to a terminal, determining, by the base station, downlink control information (DCI), wherein the DCI is used to instruct the terminal to determine the transmission timing value in the at least one transmission timing set, wherein the determined transmission timing value is a slot that the terminal is instructed to use when sending feedback information and sending, by the base station, the DCI to the terminal.

Abstract: The present invention provides an information transmission method and an apparatus, so as to resolve a problem of high power consumption of a base station resulted from excessively high information overheads for transmitting an MIB by the base station. The method includes: generating, by a base station, an MIB including first bandwidth indication information and a radio frame configuration field; and sending the MIB using a time-frequency resource in a radio frame. Compared with a conventional MIB including a plurality of configuration parameters such as system bandwidth information, a frame number of a radio frame for transmitting the MIB, and PHICH configuration information, the MIB transmitted by the base station in embodiments of the present invention includes two configuration parameters: the first bandwidth indication information and the radio frame configuration field.

Abstract: This application provides a link recovery method, including: determining a link failure of a first control resource set, where the first control resource set is a control resource set configured by a first master information block MIB; and sending a link failure recovery request, where the link failure recovery request is used to request to recover a communication link of the first control resource set. The first control resource set may be a CORESET, a control region (control region), or an ePDCCH set (set) defined in a 5G mobile communications system.

Abstract: An embodiment method includes: receiving, by a first communications device, a first service sent by a second communications device on a first time-frequency resource in a first subframe; and sending, by the first communications device at a preset feedback subframe location, first feedback information corresponding to the first service.

Abstract: This application provides a method and apparatus for obtaining a resource indication value.

Abstract: A method, a base station, a User Equipment (UE) and a system for sending and receiving Physical Downlink Control Channel (PDCCH) signaling are disclosed. A method includes determining locations of a first search space and a second search space of a User Equipment (UE). A method also includes sending PDCCH signaling with no Carrier Indication Field (CIF) to the UE in a physically overlapped region between the first search space and the second search space if the physically overlapped region exists and a length of the PDCCH signaling with no CIF in the first search space is equal to a length of PDCCH signaling with the CIF in the second search space.