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 the downlink control information on a physical resource corresponding to the UE-specific search space is detected. Through the disclosure, a problem of detecting the ePDCCH can be solved.
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:
The information processing method includes: an evolved NodeB sending information of PRACH resources configured for a UE to the UE via a PDSCH indicated by a downlink control channel, and after receiving a random access preamble sequence sent from the UE, the evolved NodeB sending downlink control information and a Random Access Response (RAR), wherein the downlink control channel is an enhanced Physical Downlink Control Channel (ePDCCH); or, information carried by PBCH indicates that the downlink control channel is the ePDCCH or a physical downlink control channel; or, when the LTE system bandwidth is less than or equal to the reception bandwidth of the UE, the downlink control channel is a physical downlink control channel, and when the LTE system bandwidth is larger than the reception bandwidth of the UE, the downlink control channel is the ePDCCH.
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:
Provided are a data sending method and device in spectrum aggregation. When downlink aggregation is performed on the plurality of cells of different types, the method includes that: HARQ information of the plurality of cells is centralized and sent on uplink subframes corresponding to a TDD cell among the plurality of cells, wherein the TDD cell is a primary cell while other cells are secondary cells and it is given that an uplink-downlink configuration of the primary cell is configuration X, where X∈{0, 1,2,3,4,5,6}, downlink subframes are configured on each FDD cell for a UE so that a network can send a PDCCH/a PDSCH for the UE only on the configured downlink subframes while the UE detects and receives the PDCCH/PDSCH on the configured downlink subframes.
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:
Disclosed are a method and device for response information transmission, a terminal, a base station and a storage medium. The method for response information transmission includes: when a time division duplex serving cell and a frequency division duplex serving cell are performing carrier aggregation and are configured to employ a physical uplink control channel (PUCCH) format 1b with channel selection mode for transmission of hybrid automatic repeat request-acknowledgement (HARQ-ACK) response information, determining HARQ-ACK response information transmitted on an uplink subframe by a first serving cell and a second serving cell, and transmitting the determined HARQ-ACK response information via a PUCCH or a physical uplink shared channel (PUSCH).
Abstract:
A method for notifying uplink and downlink configuration information is provided, including: a base station transmits a DCI format to UE, the DCI format bearing uplink and downlink configuration information being for indicating uplink and downlink configuration; and the base station sends the DCI format through a PDCCH, and sends a search space of the PDCCH including a common search space and/or a UE group common search space. A method for acquiring uplink and downlink configuration information is provided, including: UE performs PDCCH blind detection in a search space candidate of a subframe candidate, and acquires a DCI format, wherein the subframe candidate is for transmitting a DCI format bearing uplink and downlink configuration information. A base station and UE are also provided.
Abstract:
A method and system for PDSCH transmission and a network side device are provided. The method includes: a network side device determines a transmission parameter of a PDSCH according to information related to scheduled UE, the transmission parameter of the PDSCH including at least one of: a transmission manner of the PDSCH and a power ratio of a reference signal corresponding to the PDSCH to data corresponding to the reference signal (101), and the information related to the scheduled UE including at least one of: CSI reported by the UE, a TM of the UE, version and support capability information of the UE, type information of a serving cell where the PDSCH is located and type information of a subframe where the PDSCH is located; and the network side device performs resource mapping and sending according to the determined transmission parameter of the PDSCH (102).