Abstract: Embodiments described herein are directed to methods, apparatus and systems for virtualizing the standalone NB-IoT carrier to make it possible to place two standalone NB-IoT carriers side-by-side. The methods can include receiving a first anchor carrier in standalone spectrum shifted +/?2.5 kHz or +/?7.5 kHz from a 100 kHz raster grid. An indication can be received on the first anchor carrier that the first anchor carrier is operated as one of an inband carrier or a guardband carrier. A second carrier can be received in standalone spectrum, the second carrier separated from the first anchor carrier by less than 400 kHz.

Abstract: A method in a user equipment is disclosed. The method comprises generating a narrowband random access preamble for a narrowband random access procedure, the narrowband random access preamble comprising a Zadoff-Chu sequence. The method comprises transmitting, to a network node, the generated narrowband random access preamble via a narrowband physical random access channel (PRACH) according to a narrowband PRACH format, wherein the narrowband PRACH is frequency multiplexed with a physical uplink shared channel (PUSCH) and comprises: at least one narrowband PRACH slot having a narrowband PRACH slot duration; and a narrowband PRACH period.

Abstract: According to some embodiments, a method for use in a frequency-hopping wireless transmitter for transmitting in unlicensed spectrum comprises: obtaining a configuration for a plurality of frequency channels in unlicensed spectrum; and transmitting a data transmission according to a frequency-hopping pattern across the plurality of frequency channels. The configuration for the plurality of frequency channels comprises a first subset of frequency channels for downlink transmission and a second subset of frequency channels for uplink transmission. The frequency channels in the first and second subsets are mutually exclusive. In some embodiments the first and second subset of frequency channels each comprise 160 frequency channels in the 2.4 GHz band, or 50 frequency channels in the 915 MHz band.

Abstract: According to an aspect, a wireless device (50) performs idle mode radio resource management, RRM, measurements in a wireless network comprising a first carrier that supports a broadcast of system information, provides radio resources for paging and random access, and supports idle-mode measurements and further comprises a second carrier, distinct from the first carrier, that also provides radio resources for paging and random access. The wireless device (50) performs (502) at least one of a signal strength measurement and quality measurement on each of the first and second carriers, the first carrier being an anchor carrier for the wireless device and the second carrier being a non-anchor carrier. Based on the at least one measurement for each of the respective carriers, the wireless device (50) determines (504) whether to perform idle-mode RRM measurements on the second, non-anchor, carrier.

Abstract: A method and one or more network nodes for use in a wireless communication network to determine whether a wireless device is aerial. The one or more one or more network nodes communicate with the wireless device to instruct to report one or more metrics of wireless device parameters. The one or more network nodes receives from the wireless device a report of the metrics and then compares the reported metrics to terrestrial metrics to determine whether the wireless device is aerial.

Abstract: A communications network is being accessed by a wireless device associated with a coverage class selected from a set of coverage classes. The wireless device performs a method comprising initiating network access to the communications network by transmitting a preamble sequence for random access on a physical random access channel during a starting opportunity defined by the coverage class of the wireless device. Each coverage class may be associated with a unique number of repetitions of the preamble sequence transmission.

Abstract: A method performed by a network node (160) includes serving a cell area by a first physical network node for a first time duration. The first physical network node uses an identifier of a logical network node. For a second time duration, the cell area is served by a second physical network node. The second physical network node uses the identifier of the logical network node. The first physical network node serves the cell area with a first frequency band and the second physical network node serves the cell area with a second frequency band.

Abstract: Embodiments herein disclose e.g. a method performed by a wireless device (10) for handling communication for the wireless device in a second wireless communication network. The second wireless communication network coexists with a first wireless communication network on a same bandwidth in frequency, wherein the first wireless communication network applies a first shift in frequency in uplink transmissions. The wireless device receives from a radio network node (12,13), an indication indicating application of a second shift in frequency to uplink transmissions in case the second wireless communication network uses Frequency Division Duplex (FDD). The wireless device further applies the second shift in frequency to uplink transmissions, wherein the second shift defines a shift in frequency to a subcarrier relative to a subcarrier grid of the second wireless communication network or a shift in frequency to the subcarrier grid of the second wireless communication network.

Abstract: A wireless device is operable to communicate with a network node of a communications network via a non-terrestrial communication path that includes satellites and satellite gateways. The wireless device determines that communication between the wireless device and the network node will experience a communication interrupting transition during a transition period in which the non-terrestrial communication path between the wireless device and the network node will be interrupted. The wireless device adjusts a PHY layer procedure of the wireless device to mitigate switching problems with one of the of satellites during and/or after the interruption.

Abstract: In one aspect, a method for communicating in a wireless communication network includes transmitting or receiving (402) using an LTE-M carrier within the bandwidth of an NR carrier such that the LTE-M carrier overlaps at least a portion of NR guard band. The transmitting or receiving may be subject to aligning subcarriers in LTE-M and NR on the same grid and subject to raster placement. The LTE-M carrier may be positioned within the NR carrier so as to minimize the number of NR resource blocks occupied by the LTE-M carrier.

Abstract: Systems and methods for selecting subcarriers to be used for sub-Physical Resource Block (PRB) transmission and, in some embodiments, for mapping Demodulation Reference Signals (DMRS) to resources on the selected subcarriers are disclosed. In some embodiments, a method of operation of a radio node for providing sub-PRB transmission comprises selecting two adjacent subcarriers from a set of three allocated subcarriers that are allocated for a sub-PRB transmission that uses Single Carrier Frequency Division Multiple Access (SC-FDMA) Pi/2 Binary Phase Shift Keying (BPSK) modulation using only two adjacent subcarriers out of the set of three allocated subcarriers with Discrete Fourier Transform (DFT) spread length of 2. In some embodiments, the selection is such that the selected adjacent subcarriers varies, e.g., from one cell to another. In doing so, interference is distributed.

Abstract: A method for managing an unmanned aerial vehicle (UAV) is described. The method may include receiving flight plan information describing a flight path of the UAV; generating one or more cell lists based on the flight plan information; and transmitting the one or more cell lists to a source cell in a wireless network in which the UAV is currently operating, wherein the one or more cell lists are used in a handover procedure between the source cell that the UAV is currently connected to and a target cell that the UAV will connect to after completing the handover procedure.

Abstract: A method performed by a network node (260, 500) in a wireless communications system (200) is disclosed. The method comprises generating (401) a time-continuous baseband signal by applying a phase compensation that removes a physical resource block (PRB)-dependent phase rotation on a subcarrier. The method comprises converting (402) the generated time-continuous baseband signal into a radio frequency signal. The method comprises transmitting (403) the radio frequency signal to a wireless device over a radio interface.

Abstract: A method and network node for providing support for frequency-overlapping carriers among a first radio access technology, RAT, and a second RAT is provided. Second RAT information to signal to the first RAT wireless device is determined. The second RAT information configured to allow the first RAT wireless device to determine, at a resource element level, resources reserved for second RAT transmissions. The second RAT information is caused to be communicated to the first RAT wireless device.

Abstract: A wireless device (12) is configured for use in a wireless communication system (10). The wireless device (12) is configured to receive signaling (16) from a network node (14). The signaling (16) in some embodiments indicates that a reference signal (20) is configured to be transmitted before and/or during every L occurrence of a physical downlink control channel search space (18), wherein L?2. In other embodiments, the signaling (16) indicates that a reference signal (20) is configured to be transmitted before and/or during every K discontinuous reception, DRX, cycle (22), wherein K?2.

Abstract: According to certain embodiments, a method in a wireless device includes generating a signal comprising repeating segments for transmission in a subslot duration transmission time interval (TTI) to a network node. The signal comprising the repeating segments is transmitted to the network node in the subslot duration TTI.

Abstract: A method in a user equipment is disclosed. The method comprises generating a narrowband random access preamble for a narrowband random access procedure, the narrowband random access preamble comprising a Zadoff-Chu sequence. The method comprises transmitting, to a network node, the generated narrowband random access preamble via a narrowband physical random access channel (PRACH) according to a narrowband PRACH format, wherein the narrowband PRACH is frequency multiplexed with a physical uplink shared channel (PUSCH) and comprises: at least one narrowband PRACH slot having a narrowband PRACH slot duration; and a narrowband PRACH period.

Abstract: A method performed by a first network node operating in a wireless communications network is described herein. The first network node initiates sending a first indication to a first wireless device operating in the wireless communications network using NB-IoT. The first indication indicates that a first carrier, the first carrier being a standalone Narrow Band-Internet of Things, NB-IoT, carrier operating within a New Radio, NR, carrier, is: a) deployed in one of: a guardband mode and an inband mode, and b) shifted away by a frequency offset from a frequency channel raster grid used by the first wireless device.

Abstract: A method of a base station to transmit information on an ancillary channel includes encoding a set of bits from input information as a codeword, selecting a subset of active antennas that map to the codeword, and transmitting at least one main channel payload on each antenna of the selected subset of active antennas with one of a plurality of different dedicated pilot signals associated with each respective one of the antennas of the selected subset of active antennas.

Abstract: A block coding method and system for improving the reliability of Channel Quality Indicators (CQI) and Antenna Weight Indicators (AWI) reporting, A user terminal first generates 8-bit CQI and 2-bit AWI. A codeword generator produces a codeword responsive to these 10 CQI/AWI bits using a codebook or a generator matrix of a (20,10,6) code. The (20,10,6) code has a minimum Hamming distance of 6. The encoded codeword is transmitted to a receiver for decoding utilizing an identical (20,10,6) codebook.