Abstract: Systems and methods are disclosed herein for control resource set (CORESET) enhancements that are particularly beneficial for reduced bandwidth wireless communication devices. Embodiments of a method performed by a wireless communication device for a cellular communications system are disclosed. In one embodiment, a method performed by a wireless communication device for a cellular communications system comprises receiving, from a network node, information that configures a CORESET for the wireless communication device, the CORESET comprising four or more symbols in the time domain. The method further comprises receiving a physical downlink control channel (PDCCH) transmission from the network node within a search space that comprises at least a subset of time-frequency resources within the CORESET. In this manner, the CORESET is enhanced in a way that is particularly beneficial for reduced bandwidth wireless communication devices. Corresponding embodiments of a network node are also disclosed.

Abstract: According to certain embodiments, a method performed by a network node comprises transmitting a transmission of system information. The transmission comprises coded bins obtained by reading from a circular buffer. The transmission is transmitted in a first set of subframes corresponding to subframes #4 of a plurality of radio frames. The method further comprises transmitting an additional transmission of the system information. The additional transmission comprises additional coded bits obtained by continuing reading from the circular buffer. The additional transmission is transmitted in a second set of subframes corresponding to subframes of the plurality of radio frames other than subframes #4.

Abstract: Methods and apparatuses are disclosed for communicating to a wireless device (WD) a DL-to-UL frequency offset (or frequency shift) that may need to be applied. For example, a method implemented in a wireless device (WD) is provided. The method comprises: receiving, from the network node, an indication of a frequency offset; and applying the received frequency offset; wherein the WD is configured to operate on a narrow-band Internet of Things (NB-IoT) carrier in a New Radio (NR) carrier.

Abstract: An apparatus, method and wireless device for fast scanning of a wireless communications medium are disclosed. According to one aspect, a method includes tuning a transceiver of the wireless node to a first frequency. The method further includes computing a first difference frequency, the first difference frequency being a difference between the first frequency and a second frequency. The method further includes generating a first control signal to configure a first backscattering device to switch between at least two states at a switching frequency equal to the first difference frequency.

Abstract: A wireless device determines whether to provide a reduced capability, RedCap, indication via a message 1 of a random access procedure. The wireless device transmits the message 1 based on the determination, and transmits a message 3 of the random access procedure. A RedCap indication is provided via the message 3 at least if a RedCap indication is not provided via the message 1. According to some embodiments, the wireless device receives an indication whether the wireless device is to provide a RedCap indication via the message 1, and the determination is based on the received indication. According to some embodiments, the indication whether the wireless device is to provide a RedCap indication via the message 1 is provided by whether a physical random access channel, PRACH, partition between RedCap wireless devices and other wireless devices is configured.

Abstract: A method performed by a network node in a wireless communications system is disclosed. The method comprises generating 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 the generated time-continuous baseband signal into a radio frequency signal. The method comprises transmitting the radio frequency signal to a wireless device over a radio interface.

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: Embodiments include methods for a wireless device configured for random access to a cell of a wireless network. Such methods include transmitting, to a network node during a random-access procedure in the cell, a first indication of at least one capability of the wireless device. Such methods also include communicating with the network node, in one or more subsequent messages of the random-access procedure, using a configuration corresponding to the at least one capability indicated by the first indication. Other embodiments include complementary methods for a network node configured to support random access by wireless devices, as well as wireless devices and network nodes configured to perform such methods.

Abstract: Systems and methods relating to a narrowband Primary Synchronization Signal (NB-PSS) and a narrowband Secondary Synchronization Signal (NB-SSS) are disclosed. In some embodiments, a base station in a wireless network comprises a processor and storage that stores instructions executable by the processor whereby the base station is operable to transmit a NB-PSS and a NB-SSS in a narrowband portion of a downlink system bandwidth. The NB-PSS and the NB-SSS are transmitted such that more than two occurrences of the NB-PSS and more than two occurrences of the NB-SSS are transmitted over a defined time interval, each occurrence of the NB-PSS is transmitted over multiple contiguous Orthogonal Frequency Division Multiplexing (OFDM) symbols and each occurrence of the NB-SSS is transmitted over multiple contiguous OFDM symbols, and each occurrence of the NB-SSS provides an indication of a location of the occurrence of the NB-SSS within the defined time interval.

Abstract: A method performed by a network node comprises transmitting a transmission of system information. The transmission comprises coded bits obtained by reading from a circular buffer. The transmission is transmitted in a first set of subframes corresponding to subframes #4 of a plurality of radio frames. The method further comprises transmitting an additional transmission of the system information. The additional transmission comprises additional coded bits obtained by continuing reading from the circular buffer. The additional transmission is transmitted in a second set of subframes corresponding to subframes of the plurality of radio frames other than subframes #4.

Abstract: A method for a user equipment, a method for a network equipment, a user equipment and a network equipment is disclosed. The network equipment transmits a signal pertaining to if control information is present in a first time period while the user equipment determines if a signal pertaining to control information is present in a first time period. The network equipment transmits control information to a UE in accordance with the transmitted signal while the user equipment decides whether to attempt to decode the control information depending on the determination.

Abstract: A method of operating a wireless device in a wireless communication network. The method includes detecting first synchronization signaling of a first cell on first time and frequency resources. The first synchronization signaling comprises at least a first synchronization signal and a second synchronization signal. The method further includes detecting indication signaling on second time and frequency resources. The second time and frequency resources are derived based on the first time and frequency resources. The method further includes accessing the first cell if the indication signaling is detected on the second time and frequency resources. Accessing the first cell includes decoding a first system information message on a broadcast channel of the first cell. The first system information message indicates time and frequency resources of a first resource set. The disclosure also pertains to related devices and methods.

Abstract: A method by a reduced capability wireless device includes receiving system information from a network node. The system information comprising information specific to the reduced capability wireless device. The reduced capability wireless device performs an operation using at least the information specific to the reduced capability wireless device received in the system information.

Abstract: A network node (560) transmits (110) broadcast information (201) which indicates a set (202) of control resource elements. The network node transmits (120) first control information in the set of control resource elements. The first control information schedules a first downlink message (203). The network node transmits (130) second control information in a subset (204) of the set of control resource elements for use by a bandwidth-restricted wireless device. The subset of the set of control resource elements has a smaller bandwidth than the set of control resource elements. The second control information schedules a second downlink message (205). A wireless device (510) performs an associated method (400).

Abstract: A method performed by a network node (260, 800) is disclosed. The network node determines (701), based on one or more quality-of-service (QoS) parameters, an aggregated uplink (UL) scheduling pattern for a wireless device (210, 1000, 1100), the aggregated UL scheduling pattern for the wireless device comprising UL resources from a plurality of carriers. The one or more QoS parameters indicate one or more QoS requirements associated with a service. At least one of the one or more QoS parameters indicates a delay requirement 0 associated with the service.

Abstract: There is provided a method performed by a wireless device for communicating with a network node in a wireless communication network. The method includes using a field in a Master Information Block (MIB) received by the wireless device, as an indication of a presence of an extended MIB (eMIB) and identifying which candidate resource of at least one candidate resource that contains the eMIB based on the indication of the presence of the eMIB. There is also provided a corresponding wireless device for communicating with a network node, a method perform by a network node, and a network node.

Abstract: A method in a network node includes communicating, over a narrowband Internet of Things downlink, a first message to a first wireless device during repetition periods of at least a first time frame and a second time frame of a plurality of time frames of a transmission time of a narrowband physical downlink control channel (NB-PDCCH) or a narrowband physical downlink shared channel (NB-PDSCH). Each time frame of the plurality of time frames includes a repetition period and a gap. The method also includes communicating a second message to a second wireless device during a gap of the first time frame.

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 user equipment is configured for use in a wireless communication system. The user equipment in particular is configured to receive from a base station one or more configuration messages that indicate a pattern of downlink transmission gaps in time. The user equipment is further configured to receive from the base station a scheduled downlink transmission that comprises a downlink data block and one or more repetitions of the downlink data block. The scheduled downlink transmission is received with downlink transmission gaps therein according to the indicated pattern. Alternatively or additionally, the user equipment is configured to transmit a scheduled uplink transmission that comprises an uplink data block and one or more repetitions of the uplink data block. In this case, the scheduled uplink transmission is transmitted with uplink transmission gaps therein according to an uplink transmission gap pattern that specifies a pattern of uplink transmission gaps in time.

Abstract: According to certain embodiments, a method (500) by a wireless device (110) includes receiving information relating to a Narrowband Secondary Synchronization Signal (NSSS) transmit diversity scheme. The information indicates a number of NSSS occasions that use different NSSS transmit diversity configurations. Based on the NSSS transmit diversity scheme, at least one measurement is performed across NSSS occasions.