Abstract:
Method comprises determining a first HARQ timing wherein an association determines which UL subframes in the TDD carrier that are defined for transmitting HARQ on an UL control channel for an associated set of DL subframes in the FDD carrier, determining a second HARQ timing, wherein an association determines which UL subframes that are defined for transmitting HARQ on an UL shared channel for an associated set of DL subframes in the FDD carrier, resulting in a first set of UL subframes for which the physical UL shared channel is enabled to comprise HARQ, and a second set of UL subframes is not comprising HARQ, and assigning UL channel resources for the HARQ feedback on the physical UL shared channel in said first set of UL subframes, according to said second DL HARQ timing, when there is no UL control channel assigned according to said first DL HARQ timing.
Abstract:
The present invention provides a hybrid automatic repeat request acknowledgement transmission method, a user equipment, and a base station. The transmission method includes: receiving, by a user equipment, on a first serving cell and in a downlink subframe n−k, PDSCH transmission or a downlink control channel that indicates downlink SPS release, where a duplex mode of the first serving cell is FDD, or all subframes on the first serving cell are downlink subframes, or one radio frame on the first serving cell includes nine downlink subframes and one special subframe; and transmitting, in an uplink subframe n, an HARQ-ACK response corresponding to the first serving cell and the downlink subframe n−k; where n is an integer, k is a positive integer, k belongs to a set K, and the set K is determined according to first HARQ-ACK timing.
Abstract:
Embodiments of the present invention provide a PDSCH transmission method and apparatus. The method includes: detecting a downlink control channel for scheduling a PDSCH; determining a resource allocation scheme of the PDSCH according to a DCI format of the downlink control channel for scheduling the PDSCH and an attribute of a carrier for carrying the PDSCH; and decoding the PDSCH according to the resource allocation scheme of the PDSCH and a transmission scheme of the PDSCH. The embodiments of the present invention provide an effective solution to PDSCH transmission.
Abstract:
Embodiments of the present invention provide a method for detecting and sending control signaling, a user equipment, and a base station. The detecting method includes: obtaining, by a UE, a transmission mode of a data channel configured by a base station; determining, by the UE, a first DCI format and a second DCI format that are corresponding to the transmission mode, where PDCCH information corresponding to the first DCI format is transmitted in a precoding-based mode, and PDCCH information corresponding to the second DCI format is transmitted in a single-antenna port mode or transmit diversity mode based on non-precoding; and detecting, by the UE and in a subframe, PDCCH information corresponding to the first DCI format and the second DCI format according to a mode in which the PDCCH information is transmitted.
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:
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:
A method includes: receiving downlink control information to a terminal device, wherein the downlink control information comprises first information, the first information indicates an uplink control channel resource for carrying uplink control information, the uplink control channel resource belongs to a first uplink control channel resource set, wherein each resource in the first uplink control channel resource set occupies a different quantity of symbols, the first uplink control channel resource set comprises at least two uplink control channel resources, wherein the at least two uplink control channel resources include a first uplink control channel resource that occupies one symbol, and a second uplink control channel resource that occupies two symbols; and sending the uplink control information from the terminal device by using the uplink control channel resource.
Abstract:
The present disclosure describes methods, device, system that provide a codebook indication operation. In one example, a codebook indication method includes: receiving by a terminal device, a transmission parameter indication information indicating an index of one codebook subset configuration of three codebook subset configurations in the terminal device from a base station, wherein the three codebook subset configurations in the terminal device are related to fully coherent, partial coherent, and incoherent respectively, and the codebook subset configuration related to fully coherent includes M indexes, the codebook subset configuration related to partial coherent includes N indexes, and the codebook subset configuration related to incoherent includes K indexes, wherein M is an integer larger than N, and N is larger than K; and determining a transmission layer and precoding matrix associated with the index according to the transmission parameter indication information.
Abstract:
In a control information transmission method according to present disclosure, a user equipment acquires configuration information of an enhanced physical downlink control channel (EPDCCH) set. The user equipment determines, according to the configuration information and from the EPDCCH set, at least one EPDCCH set in which an EPDCCH needs to be monitored. The user equipment monitors an EPDCCH on a resource corresponding to the at least one EPDCCH set, to acquire control information sent by a base station.
Abstract:
This application relates to the field of wireless communications, and in particular, to a communication method, an apparatus, and a system in a wireless communications system. In the method, a network device and a terminal device determine M resource element group bundles in a control resource set. The network device sends a control channel on resources corresponding to the M resource element group bundles. The terminal device detects the control channel on the resources corresponding to the M resource element group bundles, where M is greater than or equal to 1. The control resource set includes B resource element group resource element group bundles. By using the method, resource configuration efficiency in a communications system is improved.