Abstract: A method, system and wireless device for random access preamble transmission using beamforming are provided. A wireless device includes processing circuitry including a processor and a memory. The processing circuitry is configured to receive a synchronization signal block, SSB, determine a first beam configuration for reception based on at least part of the received SSB, estimate a reciprocity quality for the first beam configuration in a downlink and an uplink, determine a first random access channel, RACH, preamble transmission configuration based on the estimated reciprocity quality, and transmit a first random access, RA, preamble using the first RACH preamble transmission configuration.

Abstract: Systems and methods for transmitting and receiving other broadcast information, OBI, are disclosed. In some embodiments, a method of operation of wireless communication device for a wireless communication system comprises receiving and decoding a transmission unit in which OBI is collocated with at least a portion of a Synchronization Signal Block (SSB). The SSB comprises a primary synchronization signal (PSS), a secondary synchronization signal (SSS), and a physical broadcast channel (PBCH). The OBI comprises paging messages, remaining minimum system information (RMSI), and/or random access response (RAR) messages. In some embodiments, the transmission unit is a transmission unit having a duration that is two or more symbols but less than a duration of a full slot. In this manner, resources of the wireless communication system are efficiently utilized, which results in higher link and system capacity as well as lower network power consumption from increased stand-by times.

Abstract: Methods, in one or more network nodes of a wireless communication system, for transmitting non-active-state messages to wireless devices. An example method comprises obtaining capability information for one or more wireless devices, the capability information indicating, for each device, a performance constraint or a performance target of the device, or both, and further comprises selecting a message transmission mode for a first wireless device of the one or more wireless devices, where said selecting is based on the capability information. The selecting of the message transmission mode comprises selecting a relationship, with respect to time, or frequency, or both, between data symbols carrying a non-active-state message for the first wireless device and symbols carrying one or more synchronization signals and/or initial access signals.

Abstract: A method and network node for enabling mobility measurements performed by wireless devices. A set of resource blocks are distributed across an available frequency bandwidth, and a pre-defined maximum average transmit power per resource block is available for transmission by the network node. The network node transmits (5:3A) a subset of resource blocks using a first transmit power per resource block which is higher than the pre-defined maximum average transmit power per resource block. The network node also transmits (5:3B) other resource blocks in the set not included in the subset using a second transmit power per resource block which is lower than the pre-defined maximum average transmit power per resource block so that the total transmit power used for transmitting the set of resource blocks does not exceed a total available maximum transmit power.

Abstract: There is provided mechanisms for handling a reconfiguration request for a communications device. A method is performed by the communications device. The method comprises wirelessly receiving the reconfiguration request from a radio access network node. The reconfiguration request originates from a server and is received together with digitally signed radio access layer information of the radio access network node. The method comprises verifying the digitally signed radio access layer information using an authorization process. The method comprises accepting the reconfiguration request only when having successfully verified the digitally signed radio access layer information.

Abstract: A wireless device is configured with or allocated two or more control resource sets for receiving downlink control information from a base station or cell. The two or more control resource sets correspond to two or more possible states of a time slot used for downlink transmission. The wireless device determines the state of a time slot and selects one or the two or more control channel resource sets to monitor for DCI depending on the state of the time slot. In one exemplary embodiment, the time slot has two possible states and the state of the time slot is determined by the presence or absence of an SS block.

Abstract: A network sync signal with unknown frequency location is detected by sampling the received signal over a band of interest in frequency, and over the repetition period of the sync signal in time. The signal is converted to the frequency domain. Sub-bands of the frequency-domain signal, corresponding to different possible sync locations and frequency offsets, are extracted and converted to the time domain, where the sync signal is searched over the reception window length using time-domain matched filtering.

Abstract: The present disclosure relates to a wireless device and a method, for use in a wireless device, for controlling discontinuous reception, DRX, during idle mode. The method comprises selecting (S31) a default DRX cycle pattern for controlling operative instants during a DRX cycle and receiving (S32) from an access node, a first set of beams in the operative instants of the default DRX cycle pattern. The method further comprises determining (S33) reception quality metrics for respective beams and determining (S34), based on the reception quality metrics, a customized DRX cycle pattern for controlling operative instants during a subsequent DRX cycle. The customized DRX cycle pattern is applied (S35) in the subsequent DRX cycle to receive a second set of beams.

Abstract: An integrated circuit (10, 10a-d) is disclosed, which is configured to be connected to an antenna module (3) having multiple antenna elements (17). The integrated circuit (10, 10a-d) comprises a plurality of communications circuits (50j), each of which is configured to be connected to an antenna element (17) of the antenna module (3). It also comprises a first clock input terminal (551) configured to receive a reference clock signal from outside the integrated circuit (10, 10a-d) and a first clock-distribution network (601) connected between the first clock input terminal (551) and a first subset (651) of the communication circuits (50j). Furthermore, it comprises a second clock input terminal (552) configured to receive a reference clock signal from outside the integrated circuit (10, 10a-d) and a second clock-distribution network (601) connected between the second clock input terminal (552) and a second subset (652) of the communication circuits (50j).

Abstract: A transmission allocation method is disclosed for a network node of a wireless communication system configured to communicate using an Orthogonal Frequency Division Multiplexing (OFDM) signal comprising sub-carriers in a frequency domain and a symbols in a time domain. The network node is associated with a network node bandwidth comprising a network node direct current (DC) sub-carrier. The network node is configured to communicate with a wireless communication device (WCD) associated with a WCD bandwidth comprising a WCD DC sub-carrier which is different from the network node DC sub-carrier. The method comprises acquiring, in relation to an upcoming communication between the network node and the WCD, at least one of an indication of a receiver DC frequency and an indication of a transmitter DC frequency, determining a transmission allocation for the upcoming communication based on the acquired indication(s), and performing communication based on the transmission allocation.

Abstract: A wireless communication device (140) and method therein for managing connection states in a wireless communication system (100) are disclosed. The wireless communication device (140) comprises at least two Subscriber Identity Modules, SIMs, in which a first SIM is associated to a first original connection state towards a first network node (111), a second SIM is associated to a second original connection state towards a second network node (121). The wireless communication device (140) obtains a position of the wireless communication device (140) and determines a priority list for the at least two SIMs based on the obtained position. The wireless communication device (140) further determines whether the respective connection states of the first and second SIMs have conflicting needs in radio resources.

Abstract: A communication device is arranged to operate in a cellular communication system and report Channel State Information, CSI, including a channel quality by a Channel Quality Indicator, CQI, which reports a CQI set. The communication device comprises a receiver arranged to receive antenna-specific reference signals, a channel estimator arranged to evaluate channel conditions from the reference signals to determine values of a CQI set, a reporting processor arranged to determine whether a bounded differential reporting format prevents values of the CQI set to be accurately reported, and to determine a CQI set such that the bounded differential reporting format allows the values of the CQI set to be reported to reduce under-reporting or over-reporting errors that arise from the use of the bounded differential reporting format, and to form a CSI report including the values of the CQI set using the bounded differential reporting format, and a transmitter arranged to send the CSI report.

Abstract: A radio network device, having a narrowband receiver and operative in a wireless communication network, exploits the periodicity of transmission of network sync signals by iteratively receiving a plurality of frequency-offset portions of the sync signal, and then assembling the portions to recreate the entire sync signal. The recreated sync signal is then processed to attempt network detection and synchronization. In some embodiments, frequency/time compensation may be applied to the received and stored sync signal portions, prior to their combination, to compensate for uncertainty in the frequency drift (and time drift due to frequency error) of the sync signal location.

Abstract: Systems and methods are disclosed herein that relate to a wireless device that intelligently uses different reference crystal oscillators (XOs) for a PhaseLocked Loop(s) (PLL(s)) in a transceiver of the wireless device. Embodiments of a method of operation of a wireless device comprising a first XO that operates at a first reference frequency and a second XO that operates at a second reference frequency that is greater than the first reference frequency are disclosed. In some embodiments, the method of operation of the wireless devices comprises making a decision as to whether to configure a receiver of the wireless device to use the first XO or the second XO and configuring the receiver of the wireless device to use the first XO or the second XO in accordance with the decision.

Abstract: An integrated circuit (10, 10a-d) is disclosed, which is configured to be connected to an antenna module (3) having multiple antenna elements (17). The integrated circuit (10, 10a-d) comprises a plurality of communications circuits (50j), each of which is configured to be connected to an antenna element (17) of the antenna module (3). It also comprises a first clock input terminal (551) configured to receive a reference clock signal from outside the integrated circuit (10, 10a-d) and a first clock-distribution network (601) connected between the first clock input terminal (551) and a first subset (651) of the communication circuits (50j). Furthermore, it comprises a second clock input terminal (552) configured to receive a reference clock signal from outside the integrated circuit (10, 10a-d) and a second clock-distribution network (601) connected between the second clock input terminal (552) and a second subset (652) of the communication circuits (50j).

Abstract: A method performed in a server node associated with a cellular communication system is disclosed. The method is for validation of a first position indication of a wireless communication device, wherein the wireless communication device is adapted to operate in connection with the cellular communication system. The first position indication is obtained via the wireless communication device by a first positioning system. The method comprises obtaining a serving cell identification of the wireless communication device, obtaining a second position indication of the wireless communication device based on the serving cell identification, and determining whether the first position indication is valid based on whether a metric based on the first and second position indications meets a validation criterion.

Abstract: Systems and methods for transmitting and receiving other broadcast information, OBI, are disclosed. In some embodiments, a method of operation of wireless communication device for a wireless communication system comprises receiving and decoding a transmission unit in which OBI is collocated with at least a portion of a Synchronization Signal Block (SSB). The SSB comprises a primary synchronization signal (PSS), a secondary synchronization signal (SSS), and a physical broadcast channel (PBCH). The OBI comprises paging messages, remaining minimum system information (RMSI), and/or random access response (RAR) messages. In some embodiments, the transmission unit is a transmission unit having a duration that is two or more symbols but less than a duration of a full slot. In this manner, resources of the wireless communication system are efficiently utilized, which results in higher link and system capacity as well as lower network power consumption from increased stand-by times.

Abstract: A method of operation of a network node in a wireless communications network comprises determining a set of sync signal features for a sync signal to be transmitted by either the network node or another network node. The method further comprises determining a sync frequency location for the sync signal based on the set of sync signal features for the sync signal to be transmitted and transmitting or causing transmission of the sync signal on the sync frequency location. A method of a wireless communication device for performing synchronization to a wireless communications network comprises determining a set of sync signal features for a sync signal to be searched for by the wireless communication device and determining a set of sync frequency locations defined for the set of sync signal features for a cellular band and searching for a sync signal in the set of sync frequency locations.

Abstract: A relay node in a mesh network receives a plurality of broadcasted path request (PREQ) messages. The relay node updates cluster information in a cluster table of the relay node based on the received PREQ messages. This cluster information identifies a cluster transmitter node and a list of cluster receiver nodes that describes a path from the cluster transmitter node to the relay node via the cluster receiver nodes. The relay node receives a Path Reply (PREP) message, and in response, transmits a modified PREP message created based on the received PREP message.

Abstract: The disclosure provides a method (90) performed in a network node (2) for handling simultaneous measurement signaling and data communication with a communications device (3). The method (90) comprises transmitting (91) data to the communication device (3) using a transmission mode corresponding to the communication device (3) using a first number of reception elements (123, 125); establishing (92) a need for the communication device (3) to perform measurements and a capability of the communication device (3) for receiving measurement signaling using a second number of reception elements (123, 125) while receiving data using a reduced number of reception elements (123, 125); sending (93), to the communication device (3), a request to initialize the measurements, the request comprising a measurement configuration; and transmitting (94) the data using a transmission mode corresponding to the communication device (3) using the reduced number of reception elements (123, 125) for the data.