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:
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:
Embodiments of this application disclose a communication method and a related product, and may be applied to the communication field in the field of electronic technologies. The communication method includes: performing transmission of first-type data via a primary carrier cell (PCC), and performing transmission of second-type data via a secondary carrier cell (SCC), where the first-type data includes control plane data, and the second-type data includes user plane data; or the first-type data includes uplink data, and the second-type data includes downlink data; or the first-type data includes downlink data, and the second-type data includes uplink data. This application may reduce communication resource waste, and improve communication resource utilization.
Abstract:
The present disclosure relates to communication methods in a UCI-only scenario. One example method includes receiving downlink control information used to schedule a PUSCH, where the PUSCH includes a first frequency hopping resource and a second frequency hopping resource, and a time-domain start symbol of the first frequency hopping resource is before a time-domain start symbol of the second frequency hopping resource, and sending first UCI on the PUSCH, where the first UCI includes at least one of an HARQ-ACK, CSI-part1, or CSI-part2, where a quantity GCSI-part1(1) of coded bits that are of the CSI-part1 in the first UCI and that are mapped onto the first frequency hopping resource is a smaller one of a fourth value and a fifth value.
Abstract:
This application provides a communication method, a terminal device, and a network device. The method performed by a terminal device includes: determining N resource areas, where N is a positive integer; detecting, downlink scheduling information in M resource areas, where the downlink scheduling information includes resource indication information of P resource areas; and determining based on the resource indication information of the P resource areas, a resource for transmitting downlink data, where the M resource areas are M of the N resource areas, the P resource areas are P of the N resource areas, M is a positive integer less than or equal to N, and P is a positive integer less than or equal to N.