Abstract: A service reception or transmission method and apparatus and a communication system. The service reception or transmission apparatus includes: a processing unit configured to perform reception or transmission of a low-latency service within a measurement gap when a time duration for performing reception or transmission of the low-latency service is overlapped with the measurement gap. Hence, when a configured measurement gap occurs in process of performing reception or transmission of a low-latency service, latency of the low-latency service may be reduced, and user experiences of low-latency service may be ensured.

Abstract: Methods and apparatuses for transmitting and acquiring system information and a communication system. The apparatus for transmitting system information includes: a first transmitting unit configured to transmit a paging message on a first bandwidth part (BWP), the paging message comprising indication information indicating a system information modification; and a second transmitting unit configured to transmit updated system information on a second BWP; wherein, the first BWP is different from the second BWP. Hence, the paging message and updated system information are transmitted on different BWPs, thereby saving signaling overhead of the system for transmitting the updated system information.

Abstract: An access control method and apparatus and communication system. The access control method includes: based on a mapping relationship between access attempt and access category, determining an access category to which an access attempt corresponds; performing access barring check based on the access category, so as to determine whether an access attempt to which the access category corresponds is barred; and transmitting a connection setup request message or a connection recovery request message to a network device when the access attempt is considered as allowed. Hence, an access category may be determined even in different scenarios, thereby achieving a unified access control mechanism in a simple and high-efficiency manner.

Abstract: A transmission apparatus and method of status indication and a communication system. The transmission method of status indication includes: determining whether an RLC layer has successfully received all RLC PDUs of uplink data when a base station receives the uplink data transmitted by a UE; and transmitting PDCCH information to the UE, in a case where the RLC layer has successfully received all the RLC PDUs of the uplink data; the PDCCH information is used to indicate that the uplink data have been successfully received and/or the UE is permitted to enter into a DRX status. Hence, not only transmission of RLC status report may be reduced and transmission efficiency of the whole system may be improved, but also the UE may be made to enter into the DRX status as fast as possible and power consumption of the UE may be lowered.

Abstract: An apparatus for transmitting a random access response and a communication system, configured in a base station, includes: a determining unit configured to determine a coverage enhancement level to which a user equipment (UE) transmitting a preamble belongs according to a position of a time-frequency resource of the detected preamble; a calculating unit configured to, according to a coverage enhancement level identity corresponding to the UE, calculate a random access wireless network temporary identity (RA-RNTI) used by the UE; and a transmitting unit configured to transmit a random access response (RAR) of the UE, the RAR being scrambled by the RA-RNTI of the UE.

Abstract: A random access power control apparatus and method and a communication system. The random access power control apparatus includes: a first calculating unit configured to, by using a pathloss estimated based on an synchronization signal/physical broadcast channel block and/or a channel state information reference signal (CSI-RS) currently selected by a UE, calculate transmission power used by the UE in transmitting random access preambles. Hence, the UE may be adapted to UE random access procedures in such complex scenarios as multiple beams.

Abstract: A data processing method and apparatus for LTE and WLAN aggregation and a communications system. The data processing method includes: receiving, by a WLAN termination in a WLAN link, data transmitted by a PDCP layer in an LTE link, and transmitting the data transmitted by the PDCP layer to an LLC layer in the WLAN link after processing; and feeding back highest successfully delivered PDCP sequence number information and/or unsuccessfully delivered PDCP sequence number information to the PDCP layer in the LTE link. Hence, a problem that an LLC layer is unable to provide transmission status indication necessary to a PDCP layer may be effectively solved.

Abstract: A communication apparatus including: a controller configured to configure a plurality of SCells including a first SCell carrying a PUCCH and a second SCell different from first SCell; and a transmitter configured to transmit to a network side via a Physical Uplink Channel (PUCCH) a uplink control information (UCI) using the first SCell; wherein the controller configures a deactivation timer with respect SCell except for the first SCell among the plurality of SCells, and the controller configures the first SCell to be activated and deactivated by an activation/deactivation media access control (MAC) control element (CE).

Abstract: A command indication method and apparatus and information interaction method and apparatus. The command indication method includes: transmitting to a user equipment (UE), a command for activating or deactivating duplication transmission by using a bitmap field, to activate or deactivate duplication transmission of one or more packet data convergence protocol entities or radio bearers in the UE. Hence, activation or deactivation may be performed on the duplication transmission mode of one or more PDCP entities in the user equipment.

Abstract: A signal transmission method, signal detection method and apparatuses thereof and communication system. The signal transmission apparatus includes a transmitting unit configured to transmit a synchronization signal (SS) block to a user equipment within a time window of a predetermined position in an SS block transmission period. Hence, UE cell search and measurement time is reduced, complexity at the UE is lowered, power consumption of the UE is lowered, cell handover is sped up, communication interruption is avoided, and currently at least one of existing problems is solved.

Abstract: A system information indication method and apparatus and a communication system. In the embodiments of this disclosure, by indicating a correspondence between an area related ID or a system information related index and system information, and/or notifying information on a change of the area related ID or system information related index, a case may be avoided where a UE needs still to obtain system information from a network side when system information of a current cell is stored, thereby efficiently lowering power consumption of the UE in acquiring the system information.

Abstract: A method and apparatus for recovering network connection and a communication system. In a case where radio link failure occurs in a master base station and a signaling radio bearer of a secondary base station is still available, or a physical layer issue or random access issue occurs in a primary cell but a secondary cell is still available, by transmitting the information on the failure of the master base station and/or the primary cell or autonomously recovering the master base station and/or the primary cell by a UE, the cell or base station where the radio link failure occurs may be quickly changed, connection with the network side may be recovered, and data loss may be reduced.

Abstract: This application provides a method and apparatus for controlling traffic steering and a communications system. In an implementation of the method for controlling traffic steering, the method is applicable to an RAN node and includes: traffic steering indication information is determined; and the traffic steering indication information is transmitted to UE, so that the UE steers corresponding traffic to a traffic steering target according to the traffic steering indication information. With the method, load balance between 3GPP RAN and WLAN at an RAN level may be ensured, and in comparison with an existing mechanism, user experiences and system performance are improved.

Abstract: The confirmation apparatus for an activation command includes: a first transmitting unit configured to transmit confirmation information on an activation command or deactivation command of a duplication transmission mode to network equipment when receiving the activation command or deactivation command of a duplication transmission mode.

Abstract: An information transmission method and apparatus, a random access method and apparatus, and a communication system. The information transmission apparatus includes: a first transmitting unit configured to transmit symbol identification information to UE, the symbol identification information indicating relevant information of a symbol used by a random access preamble sequence transmitted by the UE. Hence, the random access response transmitted in the random access response message may be differentiated according to the symbol identification information, and the problems existed in the related art may be solved.

Abstract: A random access power control apparatus and method and a communication system. The random access power control apparatus includes: a first calculating unit configured to, by using a pathloss estimated based on an synchronization signal/physical broadcast channel block and/or a channel state information reference signal (CSI-RS) currently selected by a UE, calculate transmission power used by the UE in transmitting random access preambles. Hence, the UE may be adapted to UE random access procedures in such complex scenarios as multiple beams.

Abstract: This application provides a method and apparatus for controlling traffic steering and a communications system. In an implementation of the method for controlling traffic steering, the method is applicable to an RAN node and comprises: traffic steering indication information is determined; and the traffic steering indication information is transmitted to UE, so that the UE steers corresponding traffic to a traffic steering target according to the traffic steering indication information. With the method, load balance between 3GPP RAN and WLAN at an RAN level may be ensured, and in comparison with an existing mechanism, user experiences and system performance are improved.

Abstract: Data transmitting/receiving apparatuses and methods and a communication system. The data transmitting method includes: in an inactive state, determining whether to maintain in the inactive state or enter an active state according to indication information of a network device or one or more parameters configured by the network device; and in the inactive state, transmitting data and/or a request message for entering the active state to the network device. Hence, data transmission may be performed in an appropriate state, without needing to restart connection at each time of data transmission; saved resources may be used for the data transmission, and time needed in performing identical data transmission may be reduced.

Abstract: A data multiplexing apparatus and method and a communication system. The data multiplexing method includes: for a logical channel needing to be performed data multiplexing, determining one or more physical layer resources for multiplexing data from a plurality of physical layer resources supported by the logical channel according to priorities of the plurality of physical layer resources; and multiplexing the data of the logical channel into the determined physical layer resources. Hence, when the user equipment has data of a plurality of service types needing to be transmitted, the use of the resources by the user equipment may be kept in consistence with the scheduling intention of the network equipment.

Abstract: When a user equipment is scheduled to feed back data transmission acknowledgement in a current uplink transmission channel, the user equipment orders hybrid automatic repeat request (HARQ) processes scheduled to perform data transmission acknowledgement at a current moment; the user equipment sequentially indicate whether data transmissions of the scheduled HARQ processes after ordering are successful or not via consecutive bits in feedback information bits, the number of the consecutive bits being identical to the number of the scheduled HARQ processes; and the user equipment transmits feedback information to a network side via the uplink transmission channel. Hence, a situation of data transmission of the HARQ processes scheduled to perform feeding back at the current moment is indicated in the feedback information.