Abstract: Systems and methods for supporting Physical Uplink Control Channel (PUCCH) transmissions of reduced bandwidth User Equipments (UEs) to efficiently coexist with regular UEs in a network. In some embodiments, a method performed by a UE comprises obtaining a PUCCH configuration for reduced bandwidth UEs wherein there is a dependency between the PUCCH configuration for reduced bandwidth UEs and a PUCCH configuration for non-reduced bandwidth UEs. The method further comprises transmitting a PUCCH in accordance with the PUCCH configuration for reduced bandwidth UEs.

Abstract: A wireless communication device (12) is configured for random access to a wireless communication network (10). The N wireless communication device (12) transmits, to the wireless communication network (10), a random access preamble (14) in a random access channel occasion (18) that comprises one or more symbols. The wireless communication device (12) monitors for a response (20) to the random access preamble (14) within a response window (24). The response window (24) starts in an earliest control resource set (22-2) that begins at least a minimum number (Dmin) of symbols after the last symbol (18L) of the random access channel occasion (18), wherein the minimum number of symbols is greater than one.

Abstract: Systems and methods for configuring wake-up signals are provided. A network node allocates a first wake-up signal (WUS) at a first frequency location and one or more second WUSs at second frequency location(s). Responsive to receiving a page associated with a wireless device, the network node transmits the appropriate first or second WUS on the configured frequency.

Abstract: A method performed by user equipment, UE, includes receiving a DL reception and transmitting an UL transmission, wherein there is a collision between the DL reception and the UL transmission. The method also includes prioritizing for processing the DL reception or the UL transmission by applying a particular prioritization rule of a plurality of prioritization rules depending upon a type of the DL reception and/or the UL transmission. The method further includes processing the DL reception or the UL transmission in response to applying the particular prioritization rule.

Abstract: Systems and methods are disclosed for triggering a long range extension mode of operation for a wireless device in a cellular communications network. In one preferred embodiment, the wireless device is a Machine Type Communication (MTC) device. In one embodiment, a node in the cellular communications network determines that the wireless device is to operate in the long range extension mode if there is difficulty in establishing communication between the wireless device and the cellular communications network. If the wireless device is to operate in the long range extension mode, the node activates one or more long range extension mechanisms with respect to the wireless device such that the wireless device operates in the long range extension mode. In this manner, the long range extension mode is selectively triggered for the wireless device.

Abstract: Systems and methods are disclosed herein for Control Resource Set (CORESET) enhancements for initial access. In one embodiment, a method performed by a wireless communication device comprises receiving and decoding a Physical Downlink Control Channel (PDCCH) transmission in a CORESET in accordance with at least a portion of a Control Channel Element (CCE) to Resource Element Group (REG) mapping. The PDCCH transmission comprises one or more CCEs. The CCE to REG mapping comprises an interleaved portion that maps the one or more CCEs to a first set of REGs that are spread across a bandwidth of the CORESET, and a second portion that maps at least a portion of an additional CCE to at least a REG in a frequency gap between two REGs in the first set of REGs, the additional CCE corresponding to one of the CCEs mapped to the first set of REGs.

Abstract: Systems and methods are disclosed for adjusting Radio Link Monitoring (RLM), Radio Link Failure (RLF) detection, RLF recovery, and/or connection establishment failure detection for wireless devices (16) in a cellular communications network (10) depending on mode of operation. In one embodiment, a node (14, 16) in the cellular communications network (10) determines whether a wireless device (16) (e.g., a Machine Type Communication (MTC) device) is to operate in a long range extension mode of operation or a normal mode of operation. The node (14, 16) then applies different values for at least one parameter depending on whether the wireless device (16) is to operate in the long range extension mode or the normal mode. The at least one parameter includes one or more RLM parameters, one or more RLF detection parameters, and/or one or more RLF recovery parameters.

Abstract: A method, wireless device, and network node configured to enable a wireless device to serve as a base station to at least one other wireless device in a communications network, the wireless device being configured to perform predetermined base station functions. The method includes determining a condition triggering a need to provide the predetermined base station functions to the at least one other wireless device, notifying a network node in the communications network that the wireless device is available to provide the predetermined base station functions, receiving approval from the network node to provide the predetermined base station functions, and providing the predetermined base station functions to the at least one other wireless device.

Abstract: The embodiments herein relate to a user equipment (121) and a method performed by the UE (121) for performing preamble transmissions, on a random access channel, to a network node (110). The method comprising: determining (801) a starting subframe for the preamble transmissions based on at least a system frame number (SFN), a number of times (R) the preamble transmissions is to be repeated and a random access channel configuration, and transmitting (802), to the network node (121) the preamble repeatedly starting in the determined starting subframe. The embodiments herein also relate to a network node (110) and a method performed by the network node (110).

Abstract: The present disclosure relates to methods and devices for synchronizing one or more radio devices with a radio access node. A method of providing synchronization with a radio access node for radio communication to one or more radio devices is disclosed. The method comprises or triggers transmitting a configuration message to at least one of the radio devices, where the configuration message is indicative of a synchronization signal configuration for a configurable synchronization signal. The method further comprises or triggers transmitting the configurable synchronization signal to the at least one radio device in accordance with the synchronization signal configuration and communicating one or more decodable signals between the radio access node and the at least one radio device using radio resources in accordance with the configurable synchronization signal. A corresponding method of synchronizing the radio device with the radio access node for radio communication is disclosed.

Abstract: Systems and methods are disclosed for adjusting Radio Link Monitoring (RLM), Radio Link Failure (RLF) detection, RLF recovery, and/or connection establishment failure detection for wireless devices (16) in a cellular communications network (10) depending on mode of operation. In one embodiment, a node (14, 16) in the cellular communications network (10) determines whether a wireless device (16) (e.g., a Machine Type Communication (MTC) device) is to operate in a long range extension mode of operation or a normal mode of operation. The node (14, 16) then applies different values for at least one parameter depending on whether the wireless device (16) is to operate in the long range extension mode or the normal mode. The at least one parameter includes one or more RLM parameters, one or more RLF detection parameters, and/or one or more RLF recovery parameters.

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: A network node is arranged to operate in a cell of a cellular communication system. The network node comprises an interface towards the cellular communication system where the interface is arranged to receive paging information for an idle user equipment, UE, a paging handler arranged to determine a mode of power saving for the UE, and to determine timing for a wake-up signal based on the determined mode and the received paging information, and a transmitter arranged to transmit the wake-up signal at the determined timing. A method of the network node comprises receiving paging information for an idle user equipment, UE, from the cellular communication system, determining a mode of power saving for the UE, determining timing for a wake-up signal based on the determined mode and the received paging information, and transmitting the wake-up signal at the determined timing.

Abstract: Methods and apparatuses are disclosed for reducing image interference in uplink transmission. In one embodiment, a wireless device (WD) is configured to receive an indication of a resource allocation from the network node; determine an uplink center frequency based at least in part on a center frequency of a resource allocated by the received indication of the resource allocation; and transmit uplink information according to the determined uplink center frequency.

Abstract: A network node is arranged to operate in a cell of a cellular communication system. The network node includes an interface towards the cellular communication system where the interface is arranged to receive paging information for an idle user equipment, UE, a paging handler arranged to determine a mode of power saving for the UE, and to determine timing for a wake-up signal based on the determined mode and the received paging information, and a transmitter arranged to transmit the wake-up signal at the determined timing. A method of the network node includes receiving paging information for an idle user equipment, UE, from the cellular communication system, determining a mode of power saving for the UE, determining timing for a wake-up signal based on the determined mode and the received paging information, and transmitting the wake-up signal at the determined timing.

Abstract: A method performed by a network node in a communication network is provided. The method includes configuring a time-domain resource reservation for use in communication with a massive machine-type communication, mMTC, communication device when coexisting with a new radio system or a Long-Term Evolution system. The time-domain resource reservation includes a first bitmap having bits representing the resource reservation in consecutive slots and the first bitmap indicates one of a slot-level resource reservation and a symbol-level resource reservation. The method further includes signaling an indication of the time-domain resource reservation to the mMTC communication device. A method performed by a mMTC communication device is also provided.

Abstract: There is provided network node (110, 550) for handling communication of wireless devices (121, 650) in a wireless communication network (100). The network node comprises processing circuitry (551) configured to send a first configuration message to a wireless device, wherein the first configuration message comprises a resource reservation scheme. The resource reservation scheme comprises at least one bitmap indicating at least one reserved resource, wherein the at least one bitmap indicates reserved resources within a subframe, and wherein resources carrying a predefined reference signal have been excluded from the bitmap. There is also provided a corresponding wireless device (121, 650) for communicating with a network node (110, 550) in a wireless communication network (100), and corresponding methods performed by a network node and a wireless device.

Abstract: In one aspect, a network device transmits using a first carrier having a predetermined number of subcarriers within the bandwidth of a second carrier, such that data for one or more of the predetermined number of subcarriers corresponding to a partial overlap by the first carrier of a resource block of the second carrier is not transmitted. In another aspect, the wireless device receives using a first carrier having a predetermined number of subcarriers within the bandwidth of a second carrier, such that one or more of the predetermined number of subcarriers corresponding to a partial overlap by the first carrier of a resource block of the second carrier are discarded when decoding the received signal.

Abstract: Configuring each of two signals having a frequency bandwidth which is less than a system frequency bandwidth available to the network node for wireless transmissions. The method includes allocating a first signal of the two signals on a first time and frequency resource based on a configuration in which the first signal is included, allocating a second signal of the two signals on a second time and frequency resource based on the configuration, wherein frequency use of the second time and frequency resource is at least partly different from frequency use of the first time and frequency resource, and providing signalling for a wireless communication device enabling the wireless communication device to derive the first and second time and frequency resources. Allocating the first and second signals includes allocating another time and frequency resource adjacent in time or frequency to at least one of the first and the second signals.

Abstract: A method and network node for flexible indication of resources in LTE-M using bitmaps are disclosed. According to one aspect, a method includes indicating to the wireless device a set of reserved resources for machine communications in compatibility with a broadband radio access technology sharing resources in a time frame and frequency band that encompasses the set of reserved resources, the indicating using a two level bitmap operating in the time-domain, a first bitmap level of the two level bitmap indicating a first set of subframes containing reserved resources, and a second bitmap level of the two level bitmap indicating reserved symbols within an indicated subframe.