Abstract: Embodiments of the present invention provide a paging method, apparatus, and system, so as to implement paging of an apparatus in an area with relatively poor signal coverage. The apparatus includes: a receiver configured to receive a broadcast message having a radio frame parameter; and a processor configured to a start paging frame (PF) and a start paging occasion (PO) according to the radio frame parameter; and the receiver is further configured to receive a paging message according to the start PF, the start PO, and a first subframe set. The first subframe set includes M first subframes in which the paging message can be received and the first subframe set follows the start PO of the start PF, where M is a quantity of times that the paging message needs to be repeatedly received.

Abstract: Embodiments of the present disclosure disclose a discontinuous reception (DRX) implementation method, a DRX configuration method, and a related device. The DRX implementation method includes: receiving, by a terminal, DRX configuration information sent by a base station, where the terminal supports short transmission time interval (TTI) subframe transmission; and performing DRX according to the DRX configuration information, a system frame number (SFN), and a number of a short TTI subframe, where the short TTI subframe is a subframe numbered according to a short TTI, and a length of the short TTI subframe is less than 1 ms. In the embodiments of the present disclosure, DRX can be implemented at a short TTI, so as to improve overall performance of a system.

Abstract: A data transmission method is disclosed to improve service scheduling flexibility. The method includes: sending, by a base station, configuration information to a terminal, where the configuration information includes symbol quantity information, and the symbol quantity information is used to indicate a quantity of symbols that are used when the base station performs data exchange with the terminal; and sending, by the base station to the terminal, data transmitted in unit of a symbol, or receiving data transmitted in unit of a symbol, where the data occupies m symbols in a time domain, and m is a quantity that is indicated in the configuration information and that is of symbols that are used.

Abstract: A data transmission method, apparatus, and system are provided, where the method includes: receiving, by user equipment, a data scheduling request sent by a base station, where the data scheduling request carries resource information allocated to scheduled data by the base station, and the resource information includes an unlicensed spectrum resource; determining whether a condition for transmission of the scheduled data on an unlicensed spectrum is met; and if the condition for transmission of the scheduled data on the unlicensed spectrum is met, sending the scheduled data to the base station by using the unlicensed spectrum resource. In the present invention, data transmission reliability can be improved.

Abstract: The present invention provides a carrier aggregation capability reporting apparatus and method, so as to prevent UE from repeatedly reporting capability information corresponding to a carrier combination supported by the UE, and reduce waste of signaling resources used for reporting. The method in the present invention includes: determining, by user equipment UE, information about a carrier combination supported by the UE and information about a sub-combination that is of the carrier combination and that is supported by the UE; and reporting, by the UE to a base station, the determined information about the carrier combination supported by the UE and the determined information about the sub-combination that is of the carrier combination and that is supported by the UE.

Abstract: Embodiments of the present invention provide a data sending method and apparatus, and relate to the wireless communications field, so as to effectively ensure high reliability for transmitting uplink data and effectively reduce a delay in transmitting uplink data. Resource configuration information sent by a base station is received, and uplink data is sent to the base station according to the resource configuration information. The data sending method and apparatus are used to transmit data.

Abstract: Embodiments of the present invention provide a paging method, apparatus, and system, so as to implement paging of UE in an area with relatively poor signal coverage. UE includes: a receiving unit, configured to receive a broadcast message sent by a base station; and a determining unit, configured to determine whether the UE is first UE where the determining unit is further configured to: in a case in which it is determined that the UE is the first UE, determine a start PF and a start PO according to the first radio frame parameter; the determining unit is further configured to determine a first subframe set according to the start PF and the start PO; and the receiving unit is further configured to receive, according to the start PF, the start PO, and the first subframe set, a paging message sent by the base station.

Abstract: Embodiments of the present invention provide a data transmission method, a base station, and user equipment, where the method includes: receiving bundling capability information sent by user equipment, where the Bundling capability information includes: information used to indicate that the user equipment has a capability of transmitting first data for M times, where M is a maximum quantity of transmission times that is supported by the user equipment for the first data, and M?2; and performing transmission of the first data with the user equipment for N times according to the Bundling capability information, where N?M.

Abstract: The present invention discloses a method and an apparatus for transmitting uplink information. The method relates to a user equipment receives resource configuration indication information and subframe configuration indication information that are sent from a base station, where the resource configuration indication information is used to indicate at least one flexible subframe. The UE determines whether to transmit uplink information in the flexible subframe according to the subframe configuration indication information.

Abstract: A method includes: receiving, by UE, a configuration message sent by a base station, and determining, according to the configuration message, a type of a PUCCH that is used by a secondary cell to report a CSI report; receiving, by the UE, a secondary cell activation command that is sent by the base station and that carries a cell identity; and determining, by the UE according to the type of the PUCCH that is used by the secondary cell to report the CSI report and the secondary cell activation command, an application time of a CSI report of a secondary cell corresponding to the cell identity.

Abstract: The present invention provides a communication method includes: determining, by a base station, radio frame configuration information; sending, by the base station, the determined radio frame configuration information to user equipment UE, where the radio frame configuration information is used to instruct the UE to set at least one of N consecutive downlink subframes of one radio frame as a first subframe, and/or the radio frame configuration information is used to instruct the UE to set at least one of M consecutive uplink subframes of one radio frame as a second subframe, where the first subframe is used for uplink service transmission, the second subframe is used for downlink service transmission, and N and M are positive integers not less than 2; and communicating, by the base station, with the UE by using a radio frame configured according to the radio frame configuration information.

Abstract: Embodiments of the present disclosure provide a cell access method, an apparatus, and a system, where the method includes: when user equipment camps on a first cell, receiving, by the user equipment, a first signal offset of the first cell and a random access failure threshold of the first cell; attempting, by the user equipment, to perform random access to the first cell, and counting a quantity of random access failures; and if the quantity of random access failures reaches the random access failure threshold, performing cell reselection, by the user equipment, by using the first signal offset for the first cell; and if no cell meets a service condition in cell reselection, performing cell reselection, by the user equipment, without using the first signal offset. Therefore, a service interruption problem of user equipment when random access to a cell fails in the prior art can be resolved.

Abstract: The present invention discloses a carrier configuration method and a device, and relates to the field of communications, to resolve a problem that dividing multiple component carriers into primary and secondary component carriers only is not conducive to management of an important secondary component carrier. In a specific solution, a carrier aggregation model is configured for UE, so that the UE performs data transmission with a network device according to the carrier aggregation model. The carrier aggregation model includes multiple component carriers, the multiple component carriers include at least one core carrier, and the at least one core carrier includes at least one primary core carrier. The core carrier has an uplink transmission function and a downlink transmission function. The present invention is applied to a carrier configuration process.

Abstract: Embodiments of the present disclosure relate to the field of communications technologies, and provide a radio bearer reconfiguration method, a radio bearer establishment method, user equipment, and a base station. The method includes receiving, by a UE, a radio bearer reconfiguration indication sent by abase station, where the radio bearer reconfiguration indication includes a radio bearer identifier and a target configuration parameter, the radio bearer identifier indicates a target radio bearer that needs to be reconfigured, and the target configuration parameter corresponds to a configuration item of the target radio bearer that needs to be reconfigured; releasing, by the UE, the target radio bearer; and transmitting, by the UE, signaling and/or data on the corresponding target radio bearer according to the target configuration parameter.

Abstract: The present invention discloses a method and a device for resource configuration, the method includes: at first a base station broadcasts public resource configuration to a user equipment on a broadcast channel, and then the base station obtains an available public resource after receiving RRC connection request sent by a target user equipment in a desynchronization state, the target user equipment is a user equipment of the user equipments which is in a desynchronization state; finally the base station sends an index number of the available public resource to the target user equipment, so that the target user equipment performs data transmission through the available public resource corresponding to the index number of the available public resource. The present invention can be applied to the field of communication system.

Abstract: The present invention discloses a method and an apparatus for transmitting uplink information. The method relates to a user equipment receives resource configuration indication information and subframe configuration indication information that are sent from a base station, where the resource configuration indication information is used to indicate at least one flexible subframe. The UE determines whether to transmit uplink information in the flexible subframe according to the subframe configuration indication information.

Abstract: Disclosed are a signaling optimization method and device, to resolve a problem of heavy signaling overheads and long data transmission delay when a user equipment (UE) accesses a network side. The method includes: receiving, by the UE, configuration information sent by a first network side device, where the configuration information includes a list, and the list is a cell list or a base station list; and entering, by the UE, an intermediate state according to the configuration information, where the intermediate state means that: when the UE stores context information of the UE, if the UE moves and a cell movement range falls within a coverage area of a cell or a base station included in the list, the UE performs cell reselection according to the list. Embodiments of the present disclosure are applicable to optimization of signaling transmission between the UE and a network side.

Abstract: A communications method and device for multi-carrier aggregation, where the method includes: grouping by a base station, N serving cells into K cell groups, where N is an integer greater than zero, and K is an integer less than N, sending, by the base station, a cell grouping message to user equipment (UE), where the cell grouping message indicates that the N serving cells are grouped into the K cell groups, and communicating, by the base station, with the UE according to the K cell groups. Hence, signaling overheads can be reduced.

Abstract: The present disclosure discloses a multi-carrier measurement configuration method and apparatus, so as to resolve a problem in the prior art that when UE aggregates multiple carriers, a carrier measurement manner cannot be configured, applicability is relatively low, and carrier aggregation efficiency of the UE is reduced. The method is: receiving, by UE, measurement configuration information that is delivered by a network side and that carries gap measurement configuration information or small gap measurement configuration information, and measuring multiple carriers based on received processing configuration information, so as to implement configuration of a carrier measurement manner by the network side, thereby improving applicability of carrier measurement, and improving carrier aggregation efficiency of the UE.

Abstract: A terminal device, a network device, and a group communication method, where the terminal device includes a receiver configured to receive a first message from a network device, where the first message includes at least one group service identifier, and one group service identifier corresponds to one group service, and receive, according to the received first message, a first group service corresponding to a first group service identifier of the terminal device.