Abstract: The embodiments of the present invention provide a transmission and reception mechanism for a downlink control channel applicable to a narrowband MTC UE, and a base station and a user equipment for executing the mechanism. The method according to the embodiment of the present invention includes: determining an MPDCCH-PRB-set and determining a set of MPDCCH candidates in the determined MPDCCH-PRB-set according to an aggregation level, wherein a number of PRB-pairs in the MPDCCH-PRB-set is 2, 4 or 6; and monitoring the MPDCCH in the determined set of MPDCCH candidates to obtain downlink control information for an MTC UE.

Abstract: The present disclosure provides a method for controlling uplink power, comprising: determining, by a Main eNodeB (MeNB), configured maximum transmit power P_MeNB of a User Equipment (UE) in a Primary Cell (PCell) and configured maximum transmit power P_SeNB of the UE in a Secondary Cell (SCell); notifying, by the MeNB, P_SeNB to a Secondary eNodeB (SeNB) corresponding to the SCell; and notifying P_MeNB and P_SeNB to the UE. The present disclosure further provides corresponding base station and UE.

Abstract: There is provided a paging message receiving method at a user equipment, comprising reporting status information of the user equipment to a base station, the status information including information on coverage enhancement of the user equipment and information on a cell on which the user equipment camps, the information on coverage enhancement including information indicating a level of coverage enhancement that the user equipment needs; receiving from the base station a paging repetition level configuration message which indicates a paging repetition level of the user equipment; and receiving from the base station a paging message that is transmitted according to the paging repetition level of the user equipment and/or the information on the cell on which the user equipment camps. There are also provided related methods at the base station and a network side device and related devices.

Abstract: The present disclosure provides a method in a base station. The method comprises: transmitting resource configuration information to a User Equipment (UE). The resource configuration information comprises: a transmission pattern index indicating an index of a transmission pattern candidate to be used by the UE for Device-to-Device (D2D) data transmission within a D2D data time window in a set of all transmission pattern candidates; Scheduling Assignment (SA) time window information indicating a size of a SA time window to be used by the UE for D2D SA transmission; and data time window information indicating a size of a data time window to be used by the UE for D2D data transmission.

Abstract: The present invention provides a method for transmitting a master information block and/or a reference signal for PBCH demodulation, which is suitable for narrow-band systems such as NB-IOT, eMTC, MMTC, and a base station and a user equipment for performing the method. The method comprises: detecting synchronization signals; determining a type of master information block to be received by the user equipment and/or a type of a reference signal to be used by the user equipment for PBCH demodulation according to the detected synchronization signals; and receiving the master information block and/or the reference signal for PBCH demodulation according to the determined type.

Abstract: The present invention provides a method for use in a base station for indicating to a UE a demodulation reference signal (DMRS) configuration, the method comprising: generating first DMRS configuration information associated with a first physical downlink shared channel (PDSCH) for the UE; generating second DMRS configuration information associated with a second PDSCH for another UE, the second PDSCH overlapping with the first PDSCH; and sending to the UE the first DMRS configuration information and the second DMRS configuration information.

Abstract: The present disclosure provides a base station. The base station comprises: a transmitting unit configured to transmit a Machine Type Communication (MTC) Physical Downlink Control Channel (M-PDCCH) and Physical Downlink Shared Channels (PDSCHs). A start Orthogonal Frequency Division Multiplexing (OFDM) symbol of a PDSCH carrying First System Information Broadcast (SIB1) is preconfigured. Respective start OFDM symbols of the M-PDCCH and other PDSCHs are configured via the SIB1. The present disclosure also provides a User Equipment (UE) and associated methods.

Abstract: The present invention provides a method executed by a network node. The method comprises: transmitting ProSe resource measurement indication information to user equipment, wherein the ProSe resource measurement indication information comprises information indicating the positions of the ProSe resources in a time-frequency domain and identity information of reference signals on the ProSe resources; and transmitting ProSe resource measurement report configuration information to the user equipment. Also provided is a corresponding network node and user equipment. According to the present invention, the user equipment can measure the Sidelink resources and report a measurement result to a base station.

Abstract: Provided is a resource allocation method suitable for a downlink control channel of a narrowband MTC UE, and a base station and an MTC UE for executing the method. The method according to embodiments of the present invention includes: allocating one or more MPDCCH-PRB-sets for an MTC UE in order to transmit the MPDCCH, the numbers of PRB-pairs in the MPDCCH-PRB-sets being 2, 4, or 6; and transmitting MPDCCH allocation information to the MTC UE, the MPDCCH allocation information including information indicating the MPDCCH-PRB-sets. The allocated MPDCCH-PRB-sets may be associated with repetition levels.

Abstract: The embodiments of the present invention provide a transmission and reception mechanism for a downlink control channel applicable to a narrowband MTC UE, and a base station and a user equipment for executing the mechanism. The method according to the embodiment of the present invention includes: determining an MPDCCH-PRB-set and determining a set of MPDCCH candidates in the determined MPDCCH-PRB-set according to an aggregation level, wherein a number of PRB-pairs in the MPDCCH-PRB-set is 2, 4 or 6; and monitoring the MPDCCH in the determined set of MPDCCH candidates to obtain downlink control information for an MTC UE.

Abstract: Provided are a frequency domain resource allocation method for a paging message of an MTC user equipment, a corresponding network node and a user equipment. The method according to embodiments of the present invention comprises: allocating a resource block set for sending a paging message to an MTC user equipment; and sending resource allocation indication information to the MTC user equipment, with the resource allocation indication information including first information indicating the position of a starting resource block of the resource block set and second information indicating the number of resource blocks which are continuously allocated and included in the resource block set. By means of the embodiments of the present invention, a user equipment can determine the position of a paging message on a frequency domain, so as to read the paging message.

Abstract: Disclosed are a data retransmission method used in a communications system supporting an unlicensed carrier, and a base station and user equipment executing said method. The method according to the embodiments of the present invention comprises: configuration information instructing a HARQ entity to match a plurality of serving cells is sent to the user equipment, wherein the number of serving cells matched to said HARQ entity is equal to or less than the number of serving cells the serving base station configures for the user equipment; according to said configuration of the HARQ entity matched to the plurality of serving cells, data is initially transmitted and retransmitted.

Abstract: Provided is a method for sending a random access response (RAR) message, which is executed by a base station, and includes: receiving a preamble sent by user equipment (UE); determining a repetition level according to the preamble, and determining, according to the repetition level, a physical resource block set used for sending the RAR message; and sending the RAR message on the determined physical resource block set to the UE. Also provided are a method for receiving a random access response (RAR) message and a corresponding base station and user equipment.

Abstract: The present invention provides a method for receiving/sending a paging message and corresponding network node/user equipment. The method comprises: receiving an indication for a physical resource block group for transmitting the paging message, determining an index of the physical resource block group in a subframe according to the level of the paging message; and receiving the paging message over the indicated physical resource block group. According to the technical solution, a paging message transmission mechanism applicable to enhanced coverage MTC user equipment and/or low-complexity or low-cost MTC user equipment can be provided.

Abstract: The present disclosure provides a method for configuring a Random Access Response (RAR), a base station and a User Equipment (UE). The base station comprises a Medium Access Control (MAC) Protocol Data Unit (PDU) generation unit and a transmission unit. The MAC PDU generation unit is configured to generate a MAC PDU consisting of a MAC header and zero or more MAC Random Access Responses (RARs) corresponding to one or more Physical Random Access Channel (PRACH) resource sets. The PRACH resource sets corresponding to the MAC RARs are distinguishable based on PRACH Resource Set Indices (PRIs) in the MAC PDU. The transmission unit is configured to transmit the generated MAC PDU on a Physical Downlink Shared Channel (PDSCH).

Abstract: The present disclosure provides a base station. The base station comprises: a transmitting unit configured to transmit a Machine Type Communication (MTC) Physical Downlink Control Channel (M-PDCCH) and Physical Downlink Shared Channels (PDSCHs). A start Orthogonal Frequency Division Multiplexing (OFDM) symbol of a PDSCH carrying First System Information Broadcast (SIB1) is preconfigured. Respective start OFDM symbols of the M-PDCCH and other PDSCHs are configured via the SIB1. The present disclosure also provides a User Equipment (UE) and associated methods.

Abstract: The present disclosure provides a method in a base station. The method comprises: determining resources for transmitting system information to a Machine Type Communication (MTC) User Equipment (UE), the system information comprising a System Information Block Type 1 (SIB1) message and other system information messages; and transmitting the system information to the MTC UE over the determined resources, the transmission comprising an initial transmission and one or more retransmissions. The resources for the initial transmission and the one or more retransmissions of the other system information messages are indicated by the SIB1 message or predetermined.

Abstract: The present disclosure provides a method in a base station. The method comprises: transmitting resource configuration information to a User Equipment (UE). The resource configuration information comprises: a transmission pattern index indicating an index of a transmission pattern candidate to be used by the UE for Device-to-Device (D2D) data transmission within a D2D data time window in a set of all transmission pattern candidates; Scheduling Assignment (SA) time window information indicating a size of a SA time window to be used by the UE for D2D SA transmission; and data time window information indicating a size of a data time window to be used by the UE for D2D data transmission.

Abstract: There is provided a paging message receiving method at a user equipment, comprising reporting status information of the user equipment to a base station, the status information including information on coverage enhancement of the user equipment and information on a cell on which the user equipment camps, the information on coverage enhancement including information indicating a level of coverage enhancement that the user equipment needs; receiving from the base station a paging repetition level configuration message which indicates a paging repetition level of the user equipment; and receiving from the base station a paging message that is transmitted according to the paging repetition level of the user equipment and/or the information on the cell on which the user equipment camps. There are also provided related methods at the base station and a network side device and related devices.

Abstract: The present disclosure provides a method performed by a base station, comprising: determining whether repetitive transmission of a Hybrid Automatic Repeat reQuest (HARQ)-Acknowledgement (ACK) is enabled; determining whether Physical Downlink Control Channel (PDCCH)/Extended Physical Downlink Control Channel (EPDCCH), or Physical Downlink Shared Channel (PDSCH) is configured for repetitive transmission; and configuring for a User Equipment (UE) a Physical Uplink Control Channel (PUCCH) resource for transmission of the HARQ-ACK. A method performed by a UE, a corresponding base station and a corresponding UE are also provided. With the present disclosure, it is possible to improve resource utilization and spectrum/energy efficiency of MTC UEs supported by the LTE and reduce inter-cell time/frequency resource collisions.