Abstract: A method and apparatus for determining resources in a Physical Uplink Control Channel (PUCCH) are disclosed. The method includes: an apparatus determining a channel resource index of the PUCCH according to physical resources of an enhanced Physical Downlink Control Channel (ePDCCH), wherein, the PUCCH is used for carrying positive acknowledgement/negative acknowledgement (ACK/NACK) information about a Physical Downlink Shared Channel (PDSCH) indicated by the ePDCCH; and the physical resources of the ePDCCH include: any one or more of a physical resource block, an enhanced control channel element and an antenna port index. The embodiments of the present document can ensure the compatibility between an LTE-Advanced system and an LTE Release-8 system, and facilitate improving the system capacity and the scheduling flexibility of the LTE-Advanced system, thereby enabling an LTE-Advanced terminal to obtain a maximum frequency selectivity gain.

Abstract: A method for sending and detecting downlink control information, a sending end and a receiving end are described, the method for detecting the downlink control information may include: a User Equipment (UE)-specific search space of an enhance Physical Downlink Control Channel (ePDCCH) bearing downlink control information is determined according to a preset interval; wherein the preset interval is determined according to a number of candidate positions of one component carrier at a corresponding aggregation level in a corresponding resource set, or the preset interval is determined according to the number of the candidate positions of one component carrier at the corresponding aggregation level in the corresponding resource set, and a number of scheduled component carriers, or the preset interval is determined according to the number of the candidate positions of one component carrier at the corresponding aggregation level in the corresponding resource set, and a number of configured component carriers; and th

Abstract: Provided are methods for sending and receiving ACK/NACK information, a base station, and a terminal, wherein the method for sending ACK/NACK information includes that ACK/NACK information of a plurality of terminals is divided into X groups according to a preset indication parameter, wherein X is a positive integer greater than or equal to 1; joint coding is performed on ACK/NACK information corresponding to each group in the X groups, so as to obtain X first bit blocks; and the X first bit blocks are mapped to a predetermined ACK/NACK physical resource and sent. By means of the disclosure, reliable transmission of HARQ-ACK information of a terminal on an NCT is implemented, the reliability of transmission of UL data in a Low Cost terminal is improved, and problems such as a conflict of PHICH resource allocation and ICIC of a frequency domain in a small cell are solved.

Abstract: Disclosed in the present invention are a method, a system and a device for selecting Demodulation Reference Signal (DMRS) pattern information, wherein the method includes that a base station selects DMRS pattern information on the basis of a preset first rule, and informs a terminal of the selected DMRS pattern information; and the base station sends a DMRS to the terminal according to the selected DMRS pattern information.

Abstract: The present document provides a method for determining transport block size (TBS), a base station and a terminal, including: a terminal receives downlink control signaling transmitted by a base station, obtains a combination of I?TBS and N?PRB, {I?TBS, N?PRB}, and selects a mapping way to determine transport block size according to {I?TBS, N?PRB}, wherein, the mapping way includes at least one of following rules: a first rule, using high-layer TBS to obtain low-layer TBS according to I?TBS, N?PRB}; a second rule, obtaining TBS according to the {I?TBS, N?PRB} and a mapping relationship table pre-created; a third rule, determining a mapping factor according to the {I?TBS, N?PRB}, obtaining {ITBS, NPRB} according to the {I?TBS, N?PRB} and mapping factor, then determining TBS according to the {ITBS, NPRB} and a related {ITBS, NPRB} and TBS mapping relationship table, wherein the mapping factor is a real number greater than 0.

Abstract: A method for informing about power information and a base station are disclosed in the present document. The method includes: a base station informing a user equipment of at least one of the following types of power ratio information through signalings: ratio information of transmission power for transmitting a second category of control signaling information to transmission power for transmitting dedicated demodulation pilots; and ratio information of transmission power for transmitting data information to transmission power for transmitting dedicated demodulation pilots in a subframe where data transmission occupies only one slot. In the example of the present document, when the second category of control signalings and the data are sent, different transmission layers and transmission powers can be selected, which solves the problem resulted from an inconsistency of Demodulation Reference Signal (DMRS) powers and avoids a demodulation error.

Abstract: Disclosed are a method for transmitting a demodulation reference signal (DMRS), a base station and a user equipment, related to the LTE Advanced system. The method for transmitting the DMRS disclosed in the present document includes: a base station transmitting a plurality of demodulation reference signal (DMRS) ports through frequency division multiplexing (FDM) and/or code division multiplexing (CDM) and/or time division multiplexing (TDM). The embodiment of the present invention further discloses a base station and a user equipment. The technical scheme of the present application greatly boosts the DMRS demodulation performance, especially taking into account its use in the 256QAM modulation method in future, balances interpolation performance of various PRB Pairs in one sub-frame, and it avoids a collision between a DMRS and a RCRS, a PSS/SSS as well as a CSI-RS.

Abstract: A control signaling transmission method, a control signaling detection method, a terminal, and a base station are provided. The transmission method includes: a base station determining an enhanced Physical Downlink Control Channel (ePDCCH) resource region of the terminal in a current subframe according to at least one of multiple parameters, and transmitting control signaling to the terminal on some or all of the resources in the ePDCCH resource region. The above technical scheme can adapt to the dynamically-changing transmission capabilities of subframes, improves the transmission performance of the control signaling on an ePDCCH, increases the accuracy of the terminal in searching for the control signaling, and conserves terminal consumption. Therefore, the present document has a great industrial applicability.

Abstract: A method for configuring a physical resource block of a user equipment search space includes: a system side configuring a Physical Resource Block (PRB) pair of a default User equipment specific Search Space (USS), and notifying the user equipment of positions of the PRB pairs of the default USS, or the system side agreeing with the user equipment on the positions of the PRB pairs of the default USS. The user equipment obtains the positions of the PRB pairs of the default USS according to the notification from the system side, or agrees with the system side on the positions of the PRB pairs of the default USS. The embodiments of the present document further provide the system side and the user equipment.

Abstract: The embodiments of the present document relate to an enhanced Physical Downlink Control Channel (ePDCCH) transmitting and receiving method and device, base station and user equipment. The method includes: a base station determining a candidate enhanced Control Channel Element (eCCE) index for transmitting an ePDCCH in an ePDCCH resource set; the base station determining an enhanced Resource Element Group (eREG) index mapped by the candidate eCCE index for transmitting the ePDCCH; and the base station sending the ePDCCH to a terminal according to a determined result, wherein, an eCCE is a discretely mapped eCCE (D-eCCE).

Abstract: A method and device for detecting control signaling and a method and device for implementing control signaling detection are provided, wherein blind detection times or the amount of enhanced Physical Downlink Control Channels (ePDCCH) allocated by each ePDCCH resource set is determined, so that the ePDCCH needed to be detected in each ePDCCH resource set can be determined.

Abstract: Disclosed is a physical downlink shared channel transmission method, and the method includes: a network side determines transmission parameters of a Physical Downlink Shared Channel (PDSCH) according to a relevant transmission mode of a DM-RS and/or relevant information of a scheduled UE, wherein the transmission parameters include one or more of: a resource mapping approach of the PDSCH, a downlink DM-RS antenna port in use, and a Scrambling Code Identity (SCID) and a scrambling code initialized value X desired when a downlink DM-RS port sequence is initialized; and the network side transmits data according to the determined antenna parameters of the PDSCH. Further disclosed is a physical downlink shared channel transmission system. The disclosure can implement selection of DM-RS antenna ports and use multiple DM-RS antenna ports to improve transmission reliability, eliminate interference, increase MU-MIMO multiplexing capacity and improve frequency selective gain.

Abstract: Provided are a method and a device for sending and receiving an ePDCCH, a base station, and user equipment. The method includes: a base station mapping enhanced resource element groups (eREGs) corresponding to an ePDCCH to different resource elements, wherein each of the eREGs corresponding to the ePDCCH is located in one physical resource block pair; and the base station sending the ePDCCH on the resource elements. The disclosure improves the reliability and resource utilization of ePDCCH transmission.

Abstract: Disclosed are a method and a device for detecting control signalling and implementing control signalling detection. In a subframe S, a terminal detects the control signalling in K ePDCCH resource sets; the terminal detects set X(i) of aggregation level of the resource in Set i of the K ePDCCH resource sets, wherein i is an integer, 0<i<=k. Detection of each ePDCCH resource set is more targeted so that detection of unreasonable aggregation level is avoided and the detection efficiency is enhanced.

Abstract: Provided are a data transmission method and device. The method includes: determining, by means of a frequency hopping manner according to a TTI Bundling parameter, a frequency domain position of a physical resource block in a slot for sending a TTI Bundling, wherein a frequency hopping variable i of the frequency hopping manner is determined according to the TTI Bundling parameter by means of one of or a combination of predetermined approaches, where mod is a modulus operation, floor is rounded down operation, ns is a sequence number of the time slot; transmitting data on a time frequency resource corresponding to the frequency domain position of the physical resource block in the slot of the TTI bundling. According to the solution, the coverage area of the TTI bundling data transmission is improved.

Abstract: A method and an apparatus for transmitting uplink transmission power control information are disclosed. The method includes: transmitting uplink transmission power control information of all uplink component carriers allocated to a user equipment (UE) to the UE by one downlink component carrier. By adopting the above technical scheme, it is implemented that the uplink transmission power control information is transmitted in a carrier aggregation system.

Abstract: A method for transmitting downlink control information, a detecting method, a base station and a UE are provided in the present invention. The detecting method includes: the UE detects downlink control information beared by ePDCCH in a resource block according to a resource block set and pre-defined information configured by the base station; wherein the pre-defined information at least includes one of the followings: sub-carrier position information detected in the resource block set, enhanced control channel unit information detected in the resource block set, a mapping mode of the ePDCCH, aggregation level configuration information detected in the resource block set, the amount of candidate set corresponding to the detected aggregation level in the resource block set and a downlink control information format.

Abstract: Provided are a synchronization track reference signal transmission processing, receiving processing method and apparatus. According to the transmission processing method, a base station configures, for a new carrier, subframe pattern information used for a synchronization track reference signal (STRS), wherein the subframe pattern information is used for describing at least one subframe for transmitting the STRS in a radio frame; and the base station transmits the configured subframe pattern information to user equipment. By applying the technical solution, the technical problems of being unable to transmit the STRS in a new carrier since there is not technical solution regarding how to transmit the STRS in the related technologies, etc. are solved, thereby achieving the transmission of the STRS in the new carrier.

Abstract: A method for transmitting primary synchronization signals and secondary synchronization signals in new carriers is provided, which includes: with respect to a time domain, a base station side sending Primary Synchronization Signals (PSS) and Secondary Synchronization Signals (SSS) in Orthogonal Frequency Division Multiplexing (OFDM) symbols except OFDM symbols occupied by reference signals in subframes #1 and #6, or subframes #0 and #5, or subframes #1, #6, #0 and #5; and with respect to a frequency domain, the base station side sending the PSS or SSS in resources of intermediate 6 Physical Resource Block (PRB) pairs of system bandwidth; the reference signals include Demodulation Reference Signals (DMRS).

Abstract: Disclosed in the present disclosure are a sending method and apparatus for enhanced physical downlink control channel. The method comprises: a start position of the ePDCCH in a subframe is determined according to a high-level signaling and/or preset rule; and a pilot signal for ePDCCH and data carried on the ePDCCH are sent. By applying the present disclosure, the interference between the ePDCCH and the downlink control channel is reduced, and the efficiency of downlink transmission is improved.