Abstract: A method and an apparatus for selecting beams for non-codebook based uplink multiple-input and multiple-output are disclosed. In an embodiment, a method implemented by a user equipment (UE) includes receiving an allocation of at least one sounding reference signal (SRS) resource in an uplink subframe from a transmission and reception point (TRP) for a first set of uplink transmission beams, transmitting precoded SRSs in the at least one SRS resource to the TRP, wherein the precoded SRSs are precoded with UE-selected precoders and at least one rank and receiving an identification of two or more precoders for a second set of uplink transmission beams, wherein the second set of uplink transmission beams is selected from the first set of uplink transmission beams, and wherein the two or more precoders are based on the precoded SRSs.

Abstract: A method includes measuring beam-formed reference signals transmitted by a plurality of mmWave transmission points (TPs), sending a cloud cell formation request including indicators associated with best mmWave TPs determined in accordance with the measured beam-formed reference signals, receiving a cloud cell formation request response including indicators associated with a subset of the best mmWave TPs selected by a central controller in accordance with selection information, where the subset of the best mmWave TPs includes a first mmWave transmission point (TP) serving as a master TP and a second mmWave TP serving as a slave TP, and establishing a cloud cell with mmWave TPs of the subset of the best mmWave TPs selected by the central controller, where a data connection is established with the slave TP and at least a control connection is established with the master TP.

Abstract: A method for operating a communications controller adapted for full duplex (FD) operation includes receiving a measurement report from a user equipment served by the communications controller, the measurement report indicating a first power margin between a current transmit power and a transmit power break point and a second power margin between the current transmit power and a maximum transmit power capable of supporting FD operation, performing FD link adaptation (LA) in accordance with the first power margin and the second power margin to adjust one or more FD configuration parameters of a link between the communications controller and the user equipment, wherein the link includes a downlink and an uplink, and instructing the user equipment to communicate over the link in accordance with the one or more FD configuration parameters.

Abstract: The disclosure relates to a processing device for interference-aware beam pair selection, in particular a processing device in a transmit-receive point, wherein the processing device is configured to select a beam pair from a set of candidate beam pairs (i, j), for setting up a communication link from a serving transmit device to a receive device via the selected beam pair, wherein each of the candidate beam pairs comprises a transmit beam j of the serving transmit device and a receive beam i of the receive device, wherein the selection is based on statistics of a usage of one or more interfering transmit beams (m, k) of one or more interfering transmit devices m.

Abstract: A method for operating a transmission point includes transmitting a plurality of first directional reference signals and a plurality of second directional reference signals, the plurality of first directional reference signals sweeping different first beams in a first plane and the plurality of second directional reference signals sweeping different first beams of the first plane, and receiving from a reception point, a request for the transmission point to commence operations in the second plane and a first feedback from a reception point, the first feedback indicating at least one first beam of the first plane and at least one beam group of the second plane, where measurements of the at least one first beam and the at least one beam group of the second plane satisfy a first selection criterion.

Abstract: A method and an apparatus for selecting beams for non-codebook based uplink multiple-input and multiple-output are disclosed. In an embodiment, a method implemented by a user equipment (UE) includes receiving an allocation of at least one sounding reference signal (SRS) resource in an uplink subframe from a transmission and reception point (TRP) for a first set of uplink transmission beams, transmitting precoded SRSs in the at least one SRS resource to the TRP, wherein the precoded SRSs are precoded with UE-selected precoders and at least one rank and receiving an identification of two or more precoders for a second set of uplink transmission beams, wherein the second set of uplink transmission beams is selected from the first set of uplink transmission beams, and wherein the two or more precoders are based on the precoded SRSs.

Abstract: A method of link adaptation is described including establishing, using a first serving point, a multi-user full duplex mode wherein the multi-user full duplex mode enables a downlink to a first wireless device and an uplink from a second wireless device. The first serving point requests from the first wireless device a first channel quality indicator indicating channel quality between the serving point and the first wireless device in a full duplex time period and a second channel quality indicator indicating channel quality between the serving point and the first wireless device in non-full duplex time period. The full duplex mode is evaluated using the first and second channel quality indicators. At least one parameter of the full duplex mode is adjusted based on the evaluating.

Abstract: A method for receiving device position determination includes receiving beamformed position reference signals (BF-PRSs) on a plurality of communications beams from at least two transmitting devices in accordance with a BF-PRS configuration, making at least one observed time difference of arrival (OTDOA) measurement in accordance with the BF-PRSs on the plurality of communications beams, and transmitting OTDOA feedback including the at least one OTDOA measurement.

Abstract: A method for transmitting feedback includes generating explicit channel feedback for a plurality of transmit beam-receive beam combinations (TRBCs) between the user device and a transmit-receive point (TRP), generating a modified resource in accordance with explicit feedback configuration information, the modified resource configured to convey the explicit channel feedback, wherein an explicit channel feedback associated with each TRBC is conveyed on a different data symbol of the modified resource, and transmitting the modified resource to the TRP using a single TRBC.

Abstract: A communication method, including receiving, by user equipment (UE), information about one or more backhaul links that is broadcast by different micro base stations, selecting, by the UE, a micro base station corresponding to backhaul link information that meets a preset condition, and accessing, by the UE, the selected micro base station when the selected micro base station is in an active state, or when the selected micro base station is in an inactive state, sending, by the UE, an activation signal to the selected micro base station, and accessing, by the UE, the selected micro base station after the micro base station is activated. Hence, a backhaul link can be used appropriately.

Abstract: Described herein is a cell measurement reporting method and a related device and system. The method includes receiving, by a user equipment, measurement configuration information configured by a network side, and selecting a serving cell according to the measurement configuration information; and measuring, by the user equipment, the selected serving cell according to the measurement configuration information, and when determining that a measurement result of the serving cell meets the trigger event, sending, by the user equipment to the network side according to an indication of the measurement configuration information, a measurement report that carries the trigger event.

Abstract: The present invention relates to a base station, a small cell, and a control channel configuration method to resolve resource waste caused when an additional physical control channel is used on a backhaul link of a small cell to transmit control information. In a base station provided by an embodiment of the present invention, a transceiver module is configured to receive full-duplex capability support information transmitted by a small cell, where the full-duplex capability support information is used to indicate whether the small cell supports use of a same physical layer resource for simultaneous reception on a backhaul link and transmission on an access link; and a processing module is configured to determine a configuration mode of the backhaul link between the base station and the small cell and the access link of the small cell according to the full-duplex capability support information received by the transceiver module.

Abstract: The present invention discloses a data transmission method of a full-duplex system, a user equipment, and a base station. The UE is allowed to initiate full-duplex transmission, and it is unnecessary for the eNB to initiate full-duplex transmission. Before the initiation, the UE does not need to notify the eNB of buffer and preparation statuses of the UE. That is, the UE does not need to send related signaling to the eNB, thereby alleviating load of an entire LTE communications system, avoiding overload during data transmission, and reducing a transmission delay.

Abstract: A BS determines an amount of resource overloading for a contention transmission unit (CTU) access region associated with a grant-free uplink transmission scheme in a multiple access system. The BS determines a modulation and coding scheme (MCS) limit indicating a maximum MCS level for the CTU access region. The BS sends the MCS limit to a plurality of user equipments (UEs) associated with the first CTU access region. A UE receives from the base station the MCS limit and determines a first MCS index within the MCS limit for a first uplink transmission. The UE sends the first uplink transmission to the base station using a CTU in the CTU access region. The first uplink transmission includes user data and the first MCS index determined at the first UE.

Abstract: A method for generating a measurement result, and a device are provided, and the method includes: receiving, by a terminal on a receive beam for each cell, a reference signal sent on a transmit beam of a corresponding cell, and measuring the received reference signal to obtain at least one group of measurement samples for each cell; processing the at least one group of measurement samples for each cell to obtain at least one initial processing value; processing the at least one initial processing value to obtain at least one target processing value; and reporting, by the terminal, a target processing value that meets a preset reporting rule in the at least one target processing value to a base station as a measurement result, or using, by the terminal itself, the target processing value to evaluate cell quality.

Abstract: An interference indication method and apparatus are presented. After detecting interference from a neighboring cell, a base station sends interference indication information to the neighboring cell, where the interference indication information includes at least indication information of a frequency resource that receives the interference from the neighboring cell and that is configured to be in a flexible half-duplex mode, so as to indicate that the interference from the neighboring cell is interference on the frequency resource configured to be in the flexible half-duplex mode. In this way, in an application scenario of a flexible half-duplex technology, a base station can learn of a status of interference from a neighboring cell, so as to use a corresponding interference suppression mechanism.

Abstract: A method for reducing interference at a first transmission point (TP) includes receiving a blanking bitmap from a second TP, the blanking bitmap includes an indicator of an interval of time when transmissions occurring on a transmission beam originating from the second TP are adjusted to reduce interference to the first TP, and scheduling communications for a user equipment (UE) served by the first TP in accordance with the blanking bitmap.

Abstract: A method and an apparatus for selecting beams for non-codebook based uplink multiple-input and multiple-output are disclosed. In an embodiment, a method implemented by a user equipment (UE) includes receiving an allocation of at least one sounding reference signal (SRS) resource in an uplink subframe from a transmission and reception point (TRP) for a first set of uplink transmission beams, transmitting precoded SRSs in the at least one SRS resource to the TRP, wherein the precoded SRSs are precoded with UE-selected precoders and at least one rank and receiving an identification of two or more precoders for a second set of uplink transmission beams, wherein the second set of uplink transmission beams is selected from the first set of uplink transmission beams, and wherein the two or more precoders are based on the precoded SRSs.

Abstract: An interference indication method and apparatus detect interference from a neighboring cell. A base station sends interference indication information to the neighboring cell including indication information of a frequency resource that receives the interference from the neighboring cell and is configured in a flexible half-duplex mode. In this way, in an application of a flexible half-duplex technology, a base station detects a status of interference from a neighboring cell.

Abstract: An interference suppression method, apparatus, and system to suppress interference between an uplink signal and a downlink signal, and improve communication quality. The method includes determining, by a first base station, control channel indication information of a first cell, where the first cell is any one of cells managed by the first base station, and the control channel indication information includes at least one piece of the following information of control channel indication information of a contradirectional-transmission frequency band on which the first cell is interfered with by a neighboring cell, or control channel indication information of a contradirectional-transmission subframe in which the first cell is interfered with by a neighboring cell, and sending, by the first base station, the control channel indication information to a second base station, where the second base station is a base station of the neighboring cell.