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: The present disclosure provides a method implemented in an access point, AP, for maintaining synchronization among APs in a radio access network as well as the AP. The method comprises at least one of a transmission step and a reception step. At the transmission step, a first inter-AP synchronization signal is transmitted to a first neighboring AP, which synchronizes to the AP, at a transmission resource indicated by a first synchronization signal transmission/reception pattern associated with the AP, when the first neighboring AP receives the first inter-AP synchronization signal at a reception resource indicated by a second synchronization signal transmission/reception pattern associated with the first neighboring AP, wherein the reception resource indicated by the second synchronization signal transmission/reception pattern overlaps with the transmission resource indicated by the first synchronization signal transmission/reception pattern.

Abstract: A transmitting wireless device and a method for performing a transmission to a receiving wireless device as well as a receiving wireless device and a method for receiving a transmission from the transmitting device are provided. Both wireless devices operate in a wireless network applying a contention-based medium access control protocol. The wireless network operates on a frequency resource. The method for performing a transmission to the receiving wireless comprises identifying a control channel of the frequency resource; and contending, at the control channel, for resources on a data channel of the frequency resource. When the contention for resources is successful, the method further comprises transmitting data to the receiving wireless device on the data channel of the frequency resource, wherein the control channel and data channel operate on separate frequencies of the frequency resource.

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: The present disclosure generally relates to the field of resource allocation. More specifically, the present disclosure relates to a technique of allocating communication resources in a wireless communication network. The wireless communication network comprises a plurality of access nodes, each of the plurality of access nodes being connected to one or more of the plurality of access nodes via one or more links to provide a plurality of routes for routing data through the wireless communication network. A method embodiment comprises the step of receiving, for one or more links (180, 182) of at least one access node (100) of the plurality of access nodes, allocation information. The allocation information indicates how available communication resources are to be allocated.

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. The method comprises scanning with directional beams in the spatial directions according to the beam pattern for reception of the identification signals from wireless devices.

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: 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: The present disclosure concerns radio communication. More particularly, the disclosure presents a contention based access channel signaling between a radio access network node, such as an evolved NodeB (eNB), and a User Equipment (UE). In one example embodiment, the UE receives 110 a data frame comprising multiple zones from an eNB. A zone of the multiple zones comprises an UE group identity as well as an indicator addressing a reserved contention-based access channel for use in another zone by those UEs having said UE group identity. Also, the UE group identity is retrieved 120, or otherwise read, from the zone. If, or when, the UE group identity matches that of the UE, the UE may utilize 130 the addressed reserved contention-based access channel.

Abstract: Disclosed are a method and an Access Point (AP) for implementing timing synchronization by one or more root timing reference APs in a radio communication network. Each of the one or more root timing reference APs selects an external timing reference source from existing networks that at least partially overlap with the radio communication network, derives a reference timing from the external timing reference source, and propagates the reference timing to neighboring APs in the radio communication network.

Abstract: Embodiments of the present disclosure provide a method at a communications device of a first type that is operable on both a licensed carrier and an unlicensed carrier. The method comprises performing channel sensing on the unlicensed carrier, at different sensing slots within a time duration, for respective links directed to at least two communications devices of a second type that are operable on both the licensed carrier and the unlicensed carrier. The time duration is specified as a portion of a subframe in a frame structure used on the licensed carrier. The method also comprise scheduling transmission on a channel that is determined to be available based on corresponding channel sensing. Correspondingly, there is also provided an apparatus embodied at or as at least part of a communications device of a first type, e.g. a base station that is operable on both a licensed carrier and an unlicensed carrier.

Abstract: The present disclosure concerns radio communication. More particularly, the disclosure presents a contention based access channel signaling between a radio access network node, such as an evolved NodeB (eNB), and a User Equipment (UE). In one example embodiment, the UE receives 110 a data frame comprising multiple zones from an eNB. A zone of the multiple zones comprises an UE group identity as well as an indicator addressing a reserved contention-based access channel for use in another zone by those UEs having said UE group identity. Also, the UE group identity is retrieved 120, or otherwise read, from the zone. If, or when, the UE group identity matches that of the UE, the UE may utilize 130 the addressed reserved contention-based access channel.

Abstract: The present disclosure relates to a method used in a User Equipment (UE) for transmitting data to a network side via at least a first and a second connection, and the associated UE. The method comprises: comparing a first number, M, of Packet Data Convergence Protocol (PDCP) Packet Data Units (PDUs) that have been successfully transmitted via the first connection with a second number, N, of PDCP PDUs that have been successfully transmitted via the second connection; and if M is larger than N by a predetermined threshold number, S, of PDCP PDUs, refraining from transmitting S PDCP PDUs to be transmitted following the N PDCP PDUs in the data via the second connection.

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: An access node, a communication device, methods performed thereby and a computer readable storage medium for carrier hopping are provided. A method of carrier hopping for an access node of a wireless communication network is provided. The access node operates on a first carrier in an unlicensed band. The method comprises: determining whether a hopping triggering condition is satisfied; and in response to determining that the hopping triggering condition is satisfied, activating a carrier hopping procedure to a second different carrier in the unlicensed band.

Abstract: The present disclosure generally relates to the field of resource reservation. More specifically, the present disclosure relates to a technique of reserving shared communication resources in a wireless communication network.

Abstract: Embodiments of the disclosure generally relate to determination of a UL control channel. A device selects, from candidate UL control channel categories, a target UL control channel category based on information about traffic between a network device and a terminal device. The candidate UL control channel categories at least include a first UL control channel category for high requirement traffic and a second UL control channel category for low requirement traffic. Then, the device determines a UL control channel of the target UL control channel category for the terminal device.

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: Different TBS tables, especially different TBS table sets, are used for URLLC traffic and non-URLLC traffic. A TBS table for URLLC is selected by a network node, upon determination of traffic type as URLLC, and informed to a UE. The informing can be a TBS table index or a scaling factor. After receiving the information of TBS table selection, the UE identifies the selected TBS table from its TBS table set for URLLC, or generates a new TBS table based on the scaling factor and a corresponding TBS table.

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.