Abstract: Embodiments of the present invention disclose a method for selecting a control channel, and are applied to a communication system, to enable UE to select a control channel suitable for itself in a multi-control channel communications system. The method includes: listening, by UE, to a first control channel, and measuring a value of a performance parameter of a signal received by using the first control channel, and the first control channel is one of the at least two control channels; and when determining, according to the value of the performance parameter, that the first control channel meets a residence condition, determining the first control channel as a target control channel, where the target control channel is used to receive downlink control information sent by a base station.

Abstract: Embodiments of the present disclosure provide a random access method, a terminal, and a base station. The method includes: receiving, by a terminal (UE), configuration information of random access resources from a base station, where the configuration information of the random access resource includes: configuration information of a first random access resource received from the base station using a system broadcast and configuration information of a second random access resource received from the base station by using downlink control information (DCI); selecting, by the UE, a random access resource from the first random access resource and the second random access resource according to a random access rule and the configuration information of the random access resources; and initiating, by the UE, random access according to the selected random access resource.

Abstract: Embodiments of the present invention provide a connection setup method, apparatus, and system. The method in the present invention includes: sending information about to-be-provided connection request resources to a user equipment UE set; receiving a connection request message that is sent on a selected connection request resource by one UE in the user equipment set; acquiring a first information segment of a radio resource control connection request of the UE according to the selected connection request resource and the mapping relationship; receiving a radio resource control connection request message that is sent, by the UE, on a radio resource that corresponds to the resource scheduling information; and determining radio resource control connection request information of the UE according to the first information segment of the radio resource control connection request and a second information segment of the radio resource control connection request.

Abstract: Embodiments provide a random access method, a network device, and user equipment. The method includes receiving, by a network device, identification information sent by user equipment UE according to an access status, and allocating, by the network device, a first access network identifier to the UE according to the identification information. The method also includes sending, by the network device, the first access network identifier to the UE, and allocating, by the network device, a resource to the UE according to the first access network identifier.

Abstract: Embodiments of the present invention disclose a method, a network device, and a base station for paging a narrowband terminal, where the method includes: determining that a paging message for paging a narrowband terminal needs to be sent; sending a paging message including narrowband terminal information to a base station, so that the base station obtains a radio capability of the narrowband terminal according to the narrowband terminal information and transmits the paging message according to the radio capability of the narrowband terminal. In the embodiments of the present invention, after it is determined that a paging message is used to page a narrowband terminal, because narrowband terminal information is added in the paging message, a base station is allowed to transmit the paging message according to a radio capability of the narrowband terminal.

Abstract: Embodiments of the present invention provide a method for controlling packet access, a network side device, a terminal device and a communication system. The method includes: generating an access trigger message, where the access trigger message carries a temporary mobile group identity TMGI allocated to a user equipment UE; and sending the access trigger message to packet trigger an access operation of the UE for the TMGI. In the embodiments of the present invention, the group identity TMGI already existing in an MBMS can be used as the group identity of packet triggering UE access, and the access trigger message carrying the TMGI can be correspondingly generated and sent so as to trigger an access operation of the UE belonging to the TMGI, thereby implementing the function of the packet triggering user access.

Abstract: Embodiments of the present invention provide a user equipment pairing processing method, a network side device, and a user equipment. The method includes: acquiring, by a network side device, pairing request information of a beneficial user equipment and a candidate support user equipment that are to be paired; and implementing, by the network side device, pairing of the beneficial user equipment and the candidate support user equipment according to the pairing request information, and sending a pairing success message to the beneficial user equipment and the candidate support user equipment. In the technical solutions provided by the embodiments of the present invention, user pairing in cooperative communication is implemented.

Abstract: A method for transmitting a message, a UE and a network side device are disclosed. The method includes: receiving, by a network side device, a message reported by a first user equipment UE, where the first UE is a UE in a preset UE group; identifying the message, reported by the first UE, as an emergency message when the message carries a message identifier of the emergency message; and delivering the emergency message to another UE except the first UE in the preset UE group. After identifying a reported emergency message, a network side may immediately deliver the emergency message to each UE. Because the emergency message does not need to be uploaded to a CN and a server of a management center through the network side for delivering, a transmission delay of the emergency message is reduced, which improves a speed that the UE obtains the emergency message.

Abstract: The present invention discloses a method, device, terminal, and system for controlling access of multiple terminals, and belongs to the field of communications. The method includes: receiving an access request, where the access request carries a classification identifier (101); setting up a public bearer for a terminal corresponding to the classification identifier (102); and notifying the terminal corresponding to the classification identifier, so that the terminal corresponding to the classification identifier accesses a network through the public bearer (103). The terminal includes a third sending module, a second receiving module, and an access module. The system includes a network element at an access side and a terminal. In the present invention, a signaling storm can be avoided, a load of a network can be reduced, and QoS quality of service can be improved.

Abstract: The present invention discloses a method for obtaining an Internet protocol header replacement mapping, which belong to the field of communications technologies. The method includes: obtaining, by a network node, fixed IP header information which is bound to a UE, where the network node is an MME or an eNB or a PGW or an SGW; establishing an IP header replacement mapping according to the fixed IP header information, where the IP header replacement mapping is correspondence between the fixed IP header information and an index or a bearer; and performing data transmission with the UE according to the IP header replacement mapping. In the present invention, the network node establishes the IP header replacement mapping according to the obtained fixed IP header information which is bound to the UE, the method is more flexible.

Abstract: The present invention relates to a method and an apparatus used for communication, including: when a base station receives downlink data through a first system bearer of a first user equipment, detecting, by the base station, according to a context of the first user equipment stored by the base station itself, whether a radio bearer which is of other user equipment except the first user equipment and assists the first user equipment or the first system bearer in transmitting data exists in the base station; if the radio bearer exists, selecting, by the base station, from the first user equipment and the other user equipment except the first user equipment, at least one user equipment that transmits the downlink data; and sending, by the base station, the downlink data through a specified radio bearer corresponding to the at least one user equipment.

Abstract: Embodiments of the present invention disclose a method for paging a narrowband terminal. The method includes: determining that a paging message for paging a narrowband terminal needs to be sent; sending a paging message including narrowband terminal information to a base station, so that the base station obtains a radio capability of the narrowband terminal according to the narrowband terminal information and transmits the paging message according to the radio capability of the narrowband terminal.

Abstract: Embodiments of the present invention disclose a data transmission method, a base station, and user equipment. The method in the embodiments of the present invention includes: receiving, by a base station, a first target sequence and uplink data that are sent by user equipment; determining, by the base station according to a first mapping relationship, a first target uplink sending parameter corresponding to the first target sequence, where the first mapping relationship is used to indicate a correspondence between an uplink sending parameter and a sequence; and demodulating and decoding, by the base station, the uplink data according to the first target uplink sending parameter.

Abstract: The present invention discloses a method for transmitting control information. Downlink control information is categorized into common control information and dedicated control information. A physical broadcast channel is extended by dividing a common control channel domain into a plurality of narrowband sub-control channel domains by adding a position identifier. Before a connection is established, the common control information is sent, according to the position identifier, in each sub-control channel domain of the common control channel domain. After the connection is established, a sub-control channel domain with a channel state that complies with a set standard is selected, according to a channel state of each sub-control channel domain, for sending the dedicated control information.

Abstract: Embodiments of the present invention provide a wireless broadband communication method, device, and system. The method provided in an embodiment of the present invention includes: establishing, by a macro base station, a Radio Resource Control RRC connection with a user equipment UE; receiving, by a small cell, a configuration message sent, through a wired or wireless interface, by the macro base station; and establishing, by the small cell, a user plane connection between the small cell and the UE based on the RRC connection and the configuration message, and establishing a data bearer with the UE on the user plane connection.

Abstract: The present invention discloses a method for obtaining an Internet protocol header replacement mapping, which belong to the field of communications technologies. The method includes: obtaining, by a network node, fixed IP header information which is bound to a UE, where the network node is an MME or an eNB or a PGW or an SGW; establishing an IP header replacement mapping according to the fixed IP header information, where the IP header replacement mapping is correspondence between the fixed IP header information and an index or a bearer; and performing data transmission with the UE according to the IP header replacement mapping. In the present invention, the network node establishes the IP header replacement mapping according to the obtained fixed IP header information which is bound to the UE, the method is more flexible.

Abstract: The present invention provides a method, a device, and a system for notifying a terminal type supported by a current cell, so that a UE can identify the terminal type supported by the current cell as soon as possible. The method includes: carrying preset indication information in a downlink signal, where the indication information is used to indicate the terminal type supported by the current cell, the preset indication information is agreed upon by a network side and a terminal in advance, and the indication information is a synchronization sequence or a first indicator bit used to indicate the supported terminal type; and sending the downlink signal to the terminal.

Abstract: The present invention discloses a data processing apparatus and method that relate to the field of communications network technologies and are used to solve a problem of how to reduce power consumption of a UE. In embodiments of the present invention, an acquiring module acquires a first maximum downlink delay tolerance MDDT sent by a core network entity, and provides the first MDDT to a determining module, where the first MDDT indicates a maximum delay tolerance value corresponding to processing, by the apparatus, downlink data of all services on the apparatus; the determining module determines time information of a first MDDT timer by using the first MDDT; and a changing module changes a UE status according to the time information of the first MDDT timer determined by the determining module or changes a UE status according to time information of a first IST.

Abstract: The present invention provides a control information sending method, user equipment, and a network side device, where the control information sending method includes: determining, by the user equipment, to change an accessed control channel from a first control channel to a second control channel; sending, by the user equipment, indication information of the second control channel to a network side device, so that the network side device sends control information to the user equipment over the second control channel according to the indication information of the second control channel. By using the technical solutions provided in embodiments of the present invention, control information sending efficiency can be improved.

Abstract: The present invention discloses a method for transmitting control information. Downlink control information is categorized into common control information and dedicated control information. A physical broadcast channel is extended by dividing a common control channel domain into a plurality of narrowband sub-control channel domains by adding a position identifier. Before a connection is established, the common control information is sent, according to the position identifier, in each sub-control channel domain of the common control channel domain. After the connection is established, a sub-control channel domain with a channel state that complies with a set standard is selected, according to a channel state of each sub-control channel domain, for sending the dedicated control information.