Abstract: A wireless communications system (10) and a method therein for transmission of a downlink signal in a wireless communications network (100) supporting beamforming. The system estimates uplink channel information for a radio link from a wireless device (120) to a radio network node (110). Further, the system obtains downlink beamforming information related to the estimated uplink channel information from a machine learning unit (300). The machine learning unit comprises relationships between beamforming information and uplink channel information determined based on stored pairs of reported downlink beamforming information and measured uplink channel information. The obtained downlink beamforming information is applicable for the radio cell sector. Furthermore, the system transmits, towards the wireless device (120), a beamformed downlink signal using the obtained downlink beamforming information.

Abstract: The proposed embodiment provides an efficient way to implicitly detect at the receiver the puncturing information (i. e. time/frequency resources, MCS, TBS etc.) of the Ultra Reliable Low Latency Communication (URLLC) in the punctured Enhanced Mobile Broadband (eMBB) area. The performance of eMBB traffic can be improved by implicitly providing the puncturing information without any additional signaling or indications (e.g. does not require any additional bits).

Abstract: Techniques for an intelligent system processing uncertain causal relationship type information are disclosed herein.

Abstract: Embodiments of the present disclosure provide methods, devices and computer program for downlink control channel transmission and detection. According to one or more embodiments, a method implemented in a network device comprises: selecting, for a terminal device, at least one set of downlink control channel candidates from two or more sets of downlink control channel candidates. Each set of the two or more sets of the downlink control channel candidates is associated with a different communication level, each communication level corresponding to one or more of a different set of aggregation levels, a different set of transmission formats, a different target block error rate (BLER), and a different target latency. The method further comprises transmitting, to the terminal device, the selected at least one set of downlink control channel candidates.

Abstract: There is provided mechanisms for adaptive beamforming scanning. A method is performed by a network device having a non-uniform directional network coverage. The method comprises obtaining a beam pattern indicating spatial directions in which reception of identification signals is to be scanned, wherein the beam pattern is defined by the non-uniform directional network coverage.

Abstract: One embodiment of the present disclosure relates to a method for operating in a terminal device for downlink flow control. The terminal device receives duplicated packets from a first network node device and one or more secondary network node devices. The method comprises measuring downlink transmission information for the first network node device and the one or more secondary network node devices; deciding downlink flow control information based on the measured downlink transmission information; and sending the downlink flow control information to at least the first network node device. According to other aspects of the present disclosure, there are provided corresponding methods and devices.

Abstract: A method and device for transmitting feedback information. The method includes: determining feedback type information and/or delay information when data is transmitted by a network device; and determining a reliability grade of a feedback transmission or that the feedback transmission is exempted at a certain situation, according to the delay information and/or the feedback type information. Therefore, HARQ feedback load may be reduced without impacting HARQ performances.

Abstract: There is provided a method in a user equipment for a wireless communications network, comprising: receiving a configuration message from a base station for the wireless communications network, the configuration message indicating that data to be transmitted between the user equipment and the wireless communications network is to be duplicated; and responsive to receipt of the configuration message, transmitting a first data unit and a second data unit to the wireless communications network, or receiving a first data unit and a second data unit from the wireless communications network; wherein the second data unit is a duplicate of the first data unit, and wherein the first data unit is transmitted or received using first radio resources, and the second data unit is transmitted using second radio resources that are different than the first radio resources.

Abstract: The embodiments disclose a method for scheduling radio resources in a radio communication network. The method comprises obtaining two or more MAC modes to be used for scheduling radio resources; and partitioning the radio resources into multiple resource blocks, each of which associates with one of the two or more MAC modes. Each of the two or more MAC modes is used to schedule associated resource block. Meanwhile, the embodiments also disclose a method for transmitting traffic in the radio communication network. The method comprises selecting a MAC mode from a list of active MAC modes for the traffic. Each MAC mode in the list of active MAC modes associates with respective resource blocks and is used to schedule the associated resource block. The traffic is transmitted over resource scheduled by the selected MAC mode.

Abstract: Embodiments of the disclosure generally relate to data transmission feedback. A terminal device receives a data packet transmitted from one or more network devices of the plurality of network device and determine whether triggering a feedback based on one or more of the received data packet, the monitored network devices and a timer Y at the terminal device. Latency for feedback of data transmission can be reduced and reliability can be improved.

Abstract: According to the present disclosure, behaviors of User Equipment (UE) and base station (BS) pertinent to Scheduling Request (SR) and/or Buffer Status Report (BSR) as well as resource management in short Transmission Time Interval (sTTI) relevant scenarios are discussed. UE may firstly determine if the SR is triggered by a buffer status change of a delay-critical data which needs a sTTI. If so, UE will send the SR to BS on a first type of uplink control channel designed for sTTI. Otherwise, UE will send the SR to the base station on a second type of uplink control channel designed for legacy TTI.

Abstract: A transmitting node can puncture bundles of data for a first service in a transmission for a second service. The first service has lower latency requirements than the second service. The transmitting node determines data for a first service will be transmitted during a time period when data for a second service will be transmitted, and determines transmission or reception conditions. Based on the determined transmission or reception conditions, the transmitting node determines to adjust the transmission of the first service. The transmitting node then transmits during the time period the data for the first service while data for the second service is transmitted during the time period, wherein the transmission includes an original set of data for the first service and at least one repetition of the original set of data for the first service.

Abstract: A terminal device for transmission to at least a first network device and a second network device over bundled Transmission Time Intervals (TTIs). A method comprises determining that a first TTI for transmission to the first network device overlaps a second TTI for transmission to the second network device based on a first Timing Advance (TA) value associated with the first network device and a second TA value associated with the second network device; and requesting from the first and second network devices a first and a second transmission grants, respectively, based on the first and second TA values, such that an order of the first and second transmission grants scheduled is based on values of the first and second TA values.

Abstract: Embodiments of the present disclosure relate to methods and devices for reference signal transmission and measurement. In example embodiments, according to a method implemented in a network device is provided, a report related to a measurement of a first reference signal is received from a terminal device. The first reference signal has been sent from the network device to the terminal device according to a first periodicity. Then an indication of a second periodicity for receiving a second reference signal is sent to the terminal device based on the report. The second reference signal is associated with the first reference signal.

Abstract: The present disclosure relates to a method used in a terminal device, and the associated terminal device. The method comprises: obtaining a pattern for UL transmission to a network device, the pattern being specific to the terminal device and specifying a plurality of time points for transmitting a UL signal to the network device; and transmitting the UL signal to the network device based on the pattern. The present disclosure further relates to a method used in a network device, and the associated network device.

Abstract: A method performed by a first communication device (101) operating in a wireless communications network (100). The first communication device (101) obtains (301) a grant for an uplink transmission to a second communication device (102) operating in the 5 wireless communications network (100). The grant comprises a first indication of one or more first sets of parameters for transmission. The first communication device (101) selects (302) a second set of parameters for the uplink transmission based on: i) the indicated one or more first sets of parameters, and ii) one or more quality of service requirements of an information to be transmitted in the uplink transmission. The first 10 communication device (101) then initiates (304) sending the uplink transmission to the second communication device (102), based on the selected second set of parameters.

Abstract: The present disclosure relates to a method performed by a BS for facilitating IC at a UE and an associated BS. The method includes predefining one or more sets of transmission parameters, where one or more of the transmission parameters in the one or more sets are constrained to take values from respective reduced sets of values out of the values available for the respective one or more transmission parameters, each set of the one or more sets of transmission parameters being identifiable by a unique indication. The method further includes configuring a transmission of the BS, which is to interfere downlink transmissions to the UE from a serving BS of the UE, by using one of the predefined one or more sets of transmission parameters. The present disclosure also relates to a method in a UE for IC and an associated UE.

Abstract: The present disclosure discloses a method used in a network node and an associated network node. The method includes: determining sounding and sensing related parameters for a link, wherein the determined sounding and sensing related parameters include dedicated sounding and sensing related parameters for the link and common sounding and sensing related parameters for all links controlled by the network node, and wherein the common sounding and sensing related parameters include a sounding and sensing period and a sounding and sensing interval; and transmitting the determined sounding and sensing related parameters to a transmitting node and a receiving node of the link. The present disclosure also discloses a method used in a receiving node of a link and an associated receiving node. The present disclosure further discloses a method used in a transmitting node of a link and an associated transmitting node.

Abstract: Embodiments of the present disclosure provide methods, apparatuses and computer program for data transmission and reception in a wireless communication system. A method in a terminal device comprises: receiving a first indication of a first resource pool to be shared by a first service and a second service; receiving configuration information, the configuration information including a first configuration for transmitting data of the first service using a resource in the first resource pool and/or a second configuration for transmitting data of the second service using a resource in the first resource pool, the second configuration being different from the first configuration; and transmitting the data of the first service and/or the data of the second service based on the first indication and configuration information. Embodiments of the present disclosure may enable data transmission for a service in an efficient way, and/or satisfy QoS requirement for the service.

Abstract: The present disclosure relates to a method used in a radio node and the associated radio node. The method comprises: obtaining a network geometry of a User Equipment (UE) served by the radio node with respect to a coverage served by the radio node; determining a carrier sensing threshold for the UE based on the network geometry, the carrier sensing threshold for use in Listen-Before-Talk (LBT) measurement over a radio frequency band applicable for transmitting data to the UE; and applying the carrier sensing threshold in the LBT measurement. The present disclosure also relates to a method used in a UE and the associated UE, and to a method used in a radio node and the associated radio node.