Abstract: Embodiments of the present invention disclose use equipment (UE), a base station, and a cell discovery method. The method includes: receiving, by the UE, auxiliary information, where the auxiliary information includes resource information of a second reference signal of a first neighboring cell; detecting, by the UE, a first reference signal of the first neighboring cell according to the auxiliary information to make the UE synchronize with the first neighboring cell; and detecting, by the UE according to the auxiliary information, the first reference signal of the first neighboring cell, or the second reference signal of the first neighboring cell, or the first reference signal and the second reference signal that are of the first neighboring cell, to acquire a cell identity ID or a virtual ID of the first neighboring cell.

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: Embodiments of the present disclosure provide a method, where the method includes: when determining that a first cell enters or prepares to enter a dormant state, sending, by a base station, a first signal to a user equipment (UE) in the first cell, where the first signal carries information about time when the first cell enters the dormant state, for determining, according to the information about the time, that the first cell enters the dormant state; and when determining that the first cell enters an active state from the dormant state, sending, by the base station, a second signal to the user equipment in the first cell, for determining, according to the second signal, that the first cell enters the active state. By using technical solutions provided in the present disclosure, the UE can discover a state change of a cell in time.

Abstract: The present invention discloses an information transmission method, user equipment, and a base station. The method includes: receiving indication information sent by a base station, where the indication information is used to indicate a first downlink subframe in which a cell-specific reference signal (CRS) is transmitted; determining the first downlink subframe according to the indication information; and performing information transmission according to the first downlink subframe. According to the information transmission method, the user equipment, and the base station of embodiments of the present invention, indication information is used to indicate a downlink subframe in which a cell-specific reference signal is transmitted.

Abstract: Embodiments of the present invention provide an uplink control information transmission method, a base station, and user equipment. The method includes: receiving, by UE in a downlink subframe N, a downlink control channel sent by a base station; sending, by the UE, a hybrid automatic repeat request-acknowledgement corresponding to the downlink control channel to the base station in an uplink subframe N+4 by using a PUCCH, where when the uplink subframe N+4 belongs to a first uplink subframe set, the PUCCH is carried on a second serving cell of the UE, and when the uplink subframe N+4 belongs to a second uplink subframe set, the PUCCH is carried on the first serving cell, where a duplexing mode of the first serving cell is different from a duplexing mode of the second serving cell.

Abstract: Embodiments provide a method for radio resource management measurement. The method includes: determining, by a UE according to a detected first reference signal, a first resource on which the detected first reference signal is located; determining, by the UE, a reference signal received power RSRP of a target cell according to a received power of the detected first reference signal carried on the first resource; determining, by the UE, a second resource; determining, by the UE, a received signal strength indicator RSSI of the target cell according to a total received power on the second resource; and determining, by the UE, reference signal received quality RSRQ or a signal to interference plus noise ratio SINR of the target cell or both according to the RSRP and RSSI. The method is applied to radio resource management measurement.

Abstract: A control information transmission method a user equipment for operating the method and a base station for operating the method are disclosed. In an embodiment the method includes determining, by a user equipment, a downlink control information (DCI) format of a downlink control channel corresponding to a first serving cell, wherein the first serving cell is a serving cell corresponding to the user equipment, and the DCI format is determined by using a duplex mode of the first serving cell and a hybrid automatic repeat request-acknowledgment (HARQ-ACK) feedback corresponding to the first serving cell and detecting, by the user equipment, the downlink control channel according to the determined DCI format.

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 provide methods and devices for data transmission and assignment of uplink control channel resources in an uplink FDD carrier, for enabling a recipient to provide HARQ feedback for data transmitted in the downlink using carrier aggregation of a downlink FDD carrier and at least one TDD carrier. A method includes associating each downlink subframe in the downlink FDD carrier with an uplink control channel subframe in the uplink FDD carrier, associating each downlink subframe and special subframe in the TDD carrier with an uplink control channel subframe in the uplink FDD carrier, assigning uplink control channel resources in the uplink FDD carrier to the recipient, according to the made associations, and transmitting data on said downlink FDD carrier and/or TDD carrier, to be received by the recipient.

Abstract: Notifying served user equipments (UEs) of the presence or absence of cell-specific reference signal (CRS) symbols transmitted by neighboring base stations in the physical downlink shared channel (PDSCH) region of a subframe can be achieved through various of signaling techniques. The served UE may be notified by communicating a one or multi-bit indicator in a physical layer signaling channel of the serving cell, such as the physical downlink control channel (PDCCH) of the subframe. Alternatively, the served UE may be notified through higher layer signaling.

Abstract: The present invention discloses a carrier switching method, a base station, and user equipment, where the method includes: determining, according to carrier switching capability information of user equipment UE, a carrier switching policy according to which the UE performs carrier switching; and sending carrier switching indication information to the UE, where the carrier switching indication information is used for indicating the carrier switching policy, so that the UE performs carrier switching according to the carrier switching policy. In the carrier switching method, the base station and the user equipment according to embodiments of the present invention, the UE having no carrier aggregation capability is enabled to dynamically perform switching between at least two carriers, so that quality of service of a service of the UE can be improved, user experience can be improved, and system performance can be improved.

Abstract: Notifying served user equipments (UEs) of the presence or absence of cell-specific reference signal (CRS) symbols transmitted by neighboring base stations in the physical downlink shared channel (PDSCH) region of a subframe can be achieved through various of signaling techniques. The served UE may be notified by communicating a one or multi-bit indicator in a physical layer signaling channel of the serving cell, such as the physical downlink control channel (PDCCH) of the subframe. Alternatively, the served UE may be notified through higher layer signaling.

Abstract: Methods and nodes, using at least one subframe, and at least one set of reference signals selected from a first or second candidate set of reference signals, each set of reference signals comprising a set of antenna ports. The method comprises assigning resource blocks by means of control channel for the data channel in the subframe; associating one set of reference signals, selected from the first or the second candidate set of reference signals with the assigned resource blocks, utilising the set of antenna ports of the selected set of reference signals, based on a set of rules related to at least the assigned resource blocks; and transmitting the data channel on the assigned resource blocks.

Abstract: Embodiments of the present invention provide a bandwidth allocation method and apparatus, user equipment, and a base station. The method includes: receiving, by user equipment, virtual bandwidth configuration information, where the virtual bandwidth configuration information is used for indicating a configuration of a virtual bandwidth; and performing, by the user equipment, signal reception and/or signal processing according to the virtual bandwidth indicated by the virtual bandwidth configuration information, where each virtual bandwidth is a part or all of a downlink maximum available bandwidth or a downlink transmission bandwidth, and the downlink maximum available bandwidth is a maximum bandwidth available for downlink transmission. In the embodiments of the present invention, reduction of overheads and reduction of complexity of signal reception and signal processing are implemented, and overheads and complexity of signal reception and processing feedback can be flexibly controlled.

Abstract: Embodiments of the present invention provide a radio resource management (RRM) information measurement method and apparatus, and a device. The method includes determining at least one piece of configuration information used, by user equipment, for radio RRM measurement, where the configuration information includes at least one type of signal type information used for the RRM measurement, and signal combination information used for the RRM measurement, and sending the configuration information to the user equipment, so that the user equipment performs the RRM measurement according to the configuration information.

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 channel-state information process processing method, a network device, and a user equipment, where the channel-state information process processing method includes: after receiving a first channel-state information CSI request sent by a first network device, if CSI corresponding to multiple aperiodic CSI processes has not been reported by a user equipment, dropping CSI corresponding to a part of aperiodic CSI processes among the multiple aperiodic CSI processes, where each CSI process is associated with a channel measurement resource and an interference measurement resource. A problem existing after a CoMP technology is introduced can be solved that the UE cannot implement processing of multiple CSI processes.

Abstract: Embodiments of the present invention provide an interference measurement method, a base station, and a user equipment. The method includes: determining, by a user equipment, a first resource for interference measurement in a first subframe or determining a second resource not for interference measurement in the first subframe according to at least one of the zero-power CSI-RS configuration information, the non-zero power CSI-RS configuration information, and the CSI-IM configuration information; and performing interference measurement on the first resource, or performing no interference measurement on the second resource. The embodiments of the present invention can improve precision of interference measurement.

Abstract: A method embodiment includes configuring, by a network device, a multiple point communication measurement reporting scheme. The multiple point communication measurement reporting scheme includes a multiple point communication measurement set, a List A, a List B, and measurement report triggering events. The measurement report triggering events includes a first event wherein a measurement result of an element in List A becomes better than a threshold, a second event wherein a measurement result of an element in List A becomes better than a measurement result of an element in List B by at least an offset, a third event wherein a measurement result of an element in List B becomes worse than a threshold, and/or a fourth event wherein a measurement result of an element in List B becomes worse than a measurement result of an element in List A by at least an offset.

Abstract: A method for operating a communications controller includes defining a positive integer quantity of resource element groups from a resource block with a positive integer number N resource elements in each resource element group, the resource block having a total number of resource elements, the total number of resource elements consisting of available resource elements and reserved resource elements. The method also includes assigning a plurality of available resource elements to fill in each of the positive integer quantity of resource element groups with N available resource elements in each resource element group, and blocking any unassigned available resource elements from being used in a resource element group. The method further includes interleaving a plurality of control messages onto the positive integer quantity of resource element groups, and transmitting the positive integer quantity of resource element groups.