Abstract: Disclosed are a method, a device and a system for transmitting control information, which relate to the field of communication technologies. In order to feed back response information in an application scenario of dynamic TDD subframe, the present invention provides the following technical solution: determining a subframe set corresponding to uplink subframe n, the subframe set comprising dynamic subframes; determining feedback response information according to the subframe set; and sending, in uplink subframe n, the feedback response information to a base station through a physical uplink channel, wherein n is a subframe serial number of the uplink subframe.

Abstract: The disclosure discloses a method for transmitting uplink control information. The method includes: receiving, by a user equipment, a carrier activation command or a carrier deactivation command in a downlink subframe n; updating a first downlink activated carrier set according to the received carrier activation command or the carrier deactivation command into a second downlink activated carrier set; taking the second downlink activated carrier set as a current downlink activated carrier set corresponding to a first uplink subframe which belongs to a subframe set of an uplink subframe n+k and uplink subframe(s) after the uplink subframe n+k; sorting X piece(s) of Uplink Control Information (UCI) corresponding to X downlink carrier(s) according to a sorting rule, and transmitting the sorted X pieces of UCI to a base station in the first uplink subframe.

Abstract: In the field of wireless communication, a method and an apparatus for transmitting Uplink Control Information (UCI) are provided. The method includes: determining a codeword corresponding to the UCI among multiple codewords according to a preset rule when the UCI is transmitted on a Physical Uplink Shared Channel (PUSCH) with the multiple codewords (101); and transmitting the UCI by mapping the UCI onto the corresponding codeword (102). The apparatus includes a determining unit and a transmitting unit. The method and the apparatus provide a solution to transmitting UCI on a PUSCH with multiple codewords. This solution can be implemented easily based on LTE R8, without involving too much additional work of standardization.

Abstract: Disclosed are a method, a device and a system for transmitting control information, which relate to the field of communication technologies. In order to feed back response information in an application scenario of dynamic TDD subframe, the present invention provides the following technical solution: determining a subframe set corresponding to uplink subframe n, the subframe set comprising dynamic subframes; determining feedback response information according to the subframe set; and sending, in uplink subframe n, the feedback response information to a base station through a physical uplink channel, wherein n is a subframe serial number of the uplink subframe.

Abstract: This application provides a method for transmitting feedback information for downlink data, a terminal, and a base station. The method includes: receiving, by a terminal from a base station, DCI used for downlink data group scheduling and location information of a first feedback resource, where the DCI is used to indicate a scheduling condition of each terminal in a scheduling group to which the terminal belongs; receiving, by the terminal according to the DCI, downlink data sent by the base station; and sending, by the terminal according to the scheduling condition, feedback information for the downlink data by using the feedback resource indicated by the location information of the first feedback resource.

Abstract: The present invention discloses a method for transmitting channel state information, a user equipment, and a base station. The method includes: determining to-be-reported channel state information CSI, where the to-be-reported CSI includes at least one CSI report, and each CSI report of the at least one CSI report corresponds to one downlink carrier; and sending the to-be-reported CSI to a base station through a physical uplink channel. The user equipment includes a determining module and a sending module. The base station includes a receiving module, a first determining module, and a second determining module. According to the method, the user equipment, and the base station in the embodiments of the present invention, channel state information from different downlink carriers can be transmitted on a same subframe, and a performance requirement of the reported channel state information can be ensured, and power utilization efficiency can be improved.

Abstract: The present disclosure discloses a method and device for transmitting ACK/NACK indication information. A network-side device configures at least two carriers for a UE; transmits PDCCH information to the UE; selects one of at least two timing relationships as a first timing relationship; determines a corresponding third uplink subframe and first carrier; indicate related information corresponding to the third uplink subframe and the first carrier to the UE; in the third uplink subframe of the first carrier, determines a first channel resource, and indicates the first channel resource to the UE; and receives an ACK/NACK fed back by the UE on the allocated resource.

Abstract: The present invention discloses a method for indicating resource assignment, comprising: obtaining, by a network side device, the number N0 of a resource block RB that the network side device can assign to one UE and the one UE can schedule in maximum; calculating, by the network side device, a resource indication value RIV according to the number N0 of the RB the network side device can assign to the UE and the UE can schedule in maximum and the number NRB of resource blocks corresponding to a bandwidth the network side device can assign to all UEs for use; and sending the calculated resource indication value RIV to the one user equipment. In contrast to the prior art, it may save the number of bits used by the resource indication and lower signaling cost.

Abstract: A transmission control method may include: determining, by an access device, a distribution of a downlink transmission time slot in a first subframe of a first wireless frame, where the first subframe is a special subframe in a case that the first wireless frame has a first configuration periodicity, or the first subframe is a downlink subframe in a case that the first wireless frame has a second configuration periodicity; generating, by the access device, control information for indicating the determined distribution of the downlink transmission time slot in the first subframe; and sending, by the access device, the first wireless frame to a user terminal, where the control information is carried in a downlink control channel of the first subframe of the first wireless frame, or the control information is carried in a previous subframe of the first subframe of the first wireless frame.

Abstract: Embodiments of the present invention provide a method for transmitting a sounding signal, a base station and a user equipment, including: receiving a trigger message transmitted by a base station, where the trigger message comprises instruction information, the instruction information is used for instructing at least one UE in a group of user equipments UEs to transmit a sounding signal, and the group of user equipments comprises at least two user equipments; and transmitting the sounding signal to the base station according to the instruction information. According to the method for transmitting the sounding signal, the base station and the user equipment provided by embodiments of the present invention, an eNodeB may trigger at least one UE in a group of UEs to transmit a sounding signal according to a certain rule on a PDCCH, thereby improving efficiency.

Abstract: The present invention discloses a method and device for transmitting ACK/NACK indication information. A network-side device configures at least two carriers for a UE; transmits PDCCH information to the UE; selects one of at least two timing relationships as a first timing relationship; determines a corresponding third uplink subframe and first carrier; indicate related information corresponding to the third uplink subframe and the first carrier to the UE; in the third uplink subframe of the first carrier, determines a first channel resource, and indicates the first channel resource to the UE; and receives an ACK/NACK fed back by the UE on the allocated resource.

Abstract: Disclosed are a method, a base station and a user equipment for subframe configuration in a time division duplex system. The method comprises: a base station determining a subframe number of a flexible subframe in a radio frame; the base station determining a feature of the flexible subframe corresponding to the subframe number, where the feature indicates that the flexible subframe is an uplink subframe or a downlink subframe; and the base station sending to a user equipment a first signaling via a downlink control channel, where the first signaling includes the feature of the flexible subframe corresponding to the subframe number.

Abstract: A method, an apparatus, and a system for transmitting information bits, where the method for transmitting information bits includes: dividing the information bits to be transmitted into at least two groups; encoding the information bits to be transmitted in each group; modulating the coded bits obtained by the encoding to obtain modulation symbols, in which each modulation symbol is obtained by using the modulation of the coded bits in the same group; and mapping and transmitting the modulation symbols. In this way, the receiving end easily reduces the algorithm complexity, thereby ensuring the performance of the receiving end.

Abstract: Embodiments of the present invention provide a communication method for a carrier aggregation system. The communication method includes receiving physical downlink share channel PDSCH information sent by a base station through a subframe n of a secondary cell. If a subframe n of a primary cell is a downlink subframe, an ACK/NACK of the sent PDSCH information is fed back on a subframe m or a subframe p of the primary cell.

Abstract: Embodiments of the present invention provide a communication method for a carrier aggregation system. The communication method includes receiving physical downlink share channel PDSCH information sent by a base station through a subframe n of a secondary cell. If a subframe n of a primary cell is a downlink subframe, an ACK/NACK of the sent PDSCH information is fed back on a subframe m or a subframe p of the primary cell.

Abstract: The embodiments disclose a data transmission method, an evolved NodeB (eNB) and a User Equipment (UE), which can avoid data transmission conflict, and improve data transmission performance and scheduling flexibility. The method according to the embodiments comprises: selecting, by an eNB, a second subframe from a plurality of subframes, when the eNB does not correctly receive a data packet transmitted by a UE in a first subframe; and transmitting, by the eNB, a scheduling signaling to the UE, so that the UE transmits a retransmission packet of the data packet in the second subframe. The embodiments further provide an eNB and a UE. The embodiments of the present invention can effectively avoid data transmission conflict, and improve data transmission performance and scheduling flexibility.

Abstract: A method for encoding acknowledgement information includes: receiving a component carrier, where the component carrier includes at least one downlink subframe; generating acknowledgement information bits corresponding to the component carrier according to the received component carrier; dividing the acknowledgement information bits into two groups so that each group includes at least one acknowledgement information bit, where the at least one acknowledgement information bit corresponds to physical downlink shared channel PDSCH transmission, and/or downlink control information DCI, where the DCI is used for indicating downlink semi-persistent scheduling SPS release; and encoding the two divided groups of acknowledgement information bits to obtain two groups of codeword bits, respectively, and generating, from the two groups of codeword bits obtained by the encoding, total codeword bits to be transmitted.

Abstract: The present invention discloses a method and an apparatus for transmitting control signaling. The method includes: determining that a physical downlink shared channel PDSCH transmission scheme for a non-backward compatible component carrier is a user equipment-specific reference signal UE RS-based non-precoding matrix indicator Non-PMI feedback transmission scheme or a UE RS-based up to 8 layer transmission scheme; and sending downlink control information DCI to a UE, where the DCI is used to indicate the determined PDSCH transmission scheme. The apparatus includes a determining module and a first sending module. The method and apparatus in embodiments of the present invention can expand application scenarios of the non-backward compatible component carrier, increase spectrum utilization of the system, and avoid a system capacity decrease problem caused by limitations on the application scenarios of the non-backward compatible component carrier.

Abstract: A method for transmitting and receiving Uplink Control Information (UCI), a terminal, and a base station are provided. The transmitting method includes: calculating the number (Q?) of modulation symbols occupied by the UCI to be transmitted; dividing the information bit sequence of the UCI to be transmitted into two parts; using Reed Muller (RM) (32, 0) codes to encode each part of information bit sequence of the UCI to be transmitted to obtain a 32-bit coded bit sequence respectively, and performing rate matching so that the rate of the first 32-bit coded bit sequence is ?Q?/2?×Qm bits and that the rate of the second 32-bit coded bit sequence is (Q???Q?/2?)×Qm bits; and mapping the two parts of coded bit sequences that have undergone rate matching onto a Public Uplink Shared Channel (PUSCH), and transmitting the coded bit sequences to a base station.

Abstract: Disclosed are a method, a base station and a user equipment for subframe configuration in a time division duplex system. The method comprises: a base station determining a subframe number of a flexible subframe in a radio frame; the base station determining a feature of the flexible subframe corresponding to the subframe number, where the feature indicates that the flexible subframe is an uplink subframe or a downlink subframe; and the base station sending to a user equipment a first signaling via a downlink control channel, where the first signaling includes the feature of the flexible subframe corresponding to the subframe number.