Abstract: Reference symbols can be received. A first received power of the reference symbols on a first antenna port can be measured. A second received power of the reference symbols on a second antenna port that is coupled to and uses the same transmit power amplifier as the first antenna port can be measured. A received power difference can be determined based on a relationship between the second received power and the first received power. A value of the received power difference can be transmitted.

Abstract: This fluid meter configured to perform metrological measurements in a fluid circulation pipe and to communicate information relating to said metrological data, includes: a pipe, a metrological sensor, a control block, a power supply block configured to power the control block, the power supply block including a first supply path including at least one primary cell, and a second supply path, and further including a first switch configured to selectively couple the first supply path or the second supply path to the control block, the fluid meter including a thermoelectric generator configured to produce electricity from a temperature difference between an exterior of the pipe and the fluid in the pipe, the second supply path being connected to the thermoelectric generator.

Abstract: A system and method for managing communications through adaptive switching between model-based and model-free approaches is disclosed. The system comprises a communication management server with a master AI agent that dynamically selects between model-based and model-free reinforcement learning techniques to process incoming communications. The model-based approach utilizes a Markov Decision Process (MDP) with an environment state model, while the model-free approach employs a large language model (LLM) with retrieval-augmented generation. The system evaluates the performance and cost of both approaches in real-time, considering factors such as available historical data, observed decision quality, user goal modifications, and environmental changes. Based on this evaluation, the system adaptively switches between the two approaches or employs an ensemble method, optimizing the decision-making process for each unique communication scenario.

Abstract: A wireless microphone system with a first wireless microphone comprising a first microphone element arranged to generate a first audio signal, wherein the first microphone is arranged to generate a first output signal that comprises the first audio signal and information identifying the first wireless microphone; a second wireless microphone with a second microphone element arranged to generate a second audio signal, wherein the second microphone is arranged to generate a second output signal that comprises the second audio signal and information identifying the second wireless microphone; and a monitoring device with a display, wherein the monitoring device is arranged to receive the first and second output signals and to use the display to generate a visualisation of at least one aspect of the first and second audio signals, and to associate each visualisation with a representation of the information identifying the corresponding first or second wireless microphone.

Abstract: A receiver/transmitter device for logistics tracking configured to monitor or detect a shipment unit includes: a cellular transmitter for transmission of wireless signals via a cellular network; an ultra-wide band (UWB) transmitter for transmission of radio signals over a short-range network; a radio frequency identification (RFID) reader configured to detect a passive RFID tag associated with the shipment unit; and a processor in communication with the cellular transmitter, UWB transmitter, and RFID reader. The processor is configured to selectively cause the cellular transmitter or the UWB transmitter to wirelessly transmit information detected by the RFID reader to a remote computing device or computer server. The device also includes a housing configured to be mounted to a transport platform that encloses the cellular transmitter, UWB transmitter, RFID reader, and processor.

Abstract: A person living with an increased risk of a potentially life threatening condition that could at any moment render the person incapacitated, may find it stressful to be left alone for any length of time even if wearing a monitoring and/or treatment device. Wearers of monitoring and/or treatment systems may find it reassuring that should they become incapacitated when the monitored event occurs, the monitoring system can obtain information during the “blind” time, that is the time between the event onset and rescue arrival. An event assistant device, responsive to a wearable monitoring device's detection of an event, can navigate to the wearable monitoring device and capture visual and/or audio information for handoff to a designated rescuer.

Abstract: A terminal according to an aspect of the present disclosure includes: a control section that, when a pathloss reference signal is not configured for specific uplink transmission, determines a reference signal used for calculation of a pathloss based on at least one quasi-collocation (QCL) parameter corresponding to at least one specific downlink resource, and calculates the pathloss; and a transmitting section that performs the specific uplink transmission using transmission power based on the pathloss.

Abstract: Provided herein is a method of improving throughput of a DHT network, which may include the steps of inputting a maximal allowable number of node hops, receiving a data retrieval query, and locating an authority node via a gossip protocol. If the observed node hop number exceeds the maximal allowable number, the network may perform a shortening protocol, which may include the steps of creating a supplementary read table for the receiving node, adding the entry's hash to the supplementary read table, creating a supplementary write table for the authority node, and adding the entry's hash to the supplementary write table. The gossip protocol may interrogate in parallel the routing table and the supplementary read table, when extant, of each node participating in the gossip protocol.

Abstract: Certain aspects of the present disclosure provide techniques for wireless communications in a network. A method includes receiving, from a first user equipment, a first uplink trigger message in a receive direction while in a first energy mode, wherein while in the first energy mode, the network entity is configured to: deactivate any synchronization signal blocks (SSBs) in the receive direction; monitor for uplink trigger messages during one or more configured uplink trigger occasions; and transitioning from the first energy mode to a second energy mode based at least in part on the first uplink trigger message, wherein while in the second energy mode, the network entity is configured to: activate one or more SSBs in the receive direction; and monitor for uplink trigger messages during the one or more configured uplink trigger occasions.

Abstract: A method is disclosed for reducing inaccuracies in counts related to communication of messages in a manner that efficiently uses computer resources, including processing power and/or memory. An alert condition pertaining to delivery of a plurality of messages is received. The alert condition specifies a threshold number of dropped or failed deliveries. Based on a first time period elapsing, a first system check is performed. Based on a second time period elapsing, a second system check is performed. The second system check includes, based on a detection that the first message has failed during the second time period, decrementing the count for the dropped queue associated with the plurality of messages and incrementing a count for a failed queue associated with the plurality of messages, and, based on a detection that a second message has been dropped during the second time period, incrementing the count for the dropped queue.

Abstract: A communication system for point to multipoint communications by grouping client devices based on associated modes is provided. In one example implementation, point to multipoint communication improvements are achieved by grouping a plurality of client devices by their optimal modes for communication. For example, the communication system can determine, based on channel quality indicators (CQIs) that two client devices of a plurality of client devices are associated with an optimal first mode of a modal antenna. The system can group the two client devices into a first group, the first group associated with communication using the first mode of the modal antenna. The modal antenna can communicate with the first group using the first mode of a modal antenna during a single frame of communication.

Abstract: A user equipment includes a receiving unit that executes sensing for a part of candidate resources to be used for transmission of inter-terminal direct communication, a control unit that determines a resource to be used for transmission based on a result of the sensing, and a transmitting unit that transmits a message to another units of user equipment using the determined resource.

Abstract: A wireless telecommunications base station that compensates for Doppler shift in each connected User Equipment. The base station deploys a plurality of parallel receivers, each with a given frequency offset above and below the carrier frequency. Each receiver performs a frequency shift on a common uplink signal, determines the quality of the frequency shifted uplink signal, and demodulates the frequency shifted uplink signal. A selector/combiner module generates a highest quality demodulated signal, which may be done by selecting the frequency shifted uplink signal or soft combining a subset of frequency shifted uplink signals having a sufficiently high quality.

Abstract: The present disclosure relates to a system, a method and a computer-readable medium for quality prediction. The method includes obtaining values of a parameter of a first endpoint, obtaining values of a parameter of a second endpoint, and generating a prediction of the parameter of the first endpoint according to the values of the parameter of the first endpoint and the values of the parameter of the second endpoint. The prediction includes probability distribution information of the parameter of the first endpoint at a timing in the future. The present disclosure can result in a more precise quality prediction.

Abstract: An instrument landing system comprises: a wideband antenna configured to receive signals in a VHF band; and a receiver coupled to the wideband antenna and configured to implement SDR functions to analyze the signals for a flight inspection. A UAS comprises: an instrument landing system comprising: a wideband antenna configured to receive signals in a VHF band; and a receiver coupled to the wideband antenna and configured to implement SDR functions to analyze the signals for a flight inspection. A method comprises: receiving, using a wideband antenna, signals in a VHF band; and implementing, using a receiver coupled to the wideband antenna, SDR functions to analyze the signals for a flight inspection.

Abstract: Provided is a system comprising a base station and a terminal apparatus that communicate with each other by selectively using plural radio resources, which is capable of supplying a power to the terminal apparatus using a communication-unused radio resource between the base station and the terminal apparatus. The base station generates a transmission signal including a dummy signal for wireless power transfer using a communication-unused radio resource that is not used for communication among plural radio resources, and transmits the generated transmission signal to the terminal apparatus. The terminal apparatus receives the transmission signal including the dummy signal transmitted from the base station, and outputs an electric power of the reception signal as a reception power. A battery may be charged using the reception power.

Abstract: The present disclosure discloses a method and device of generating acoustic features, speech model training, and speech recognition. By acquiring the acoustic information vector of the current speech frame and the information weight of the current speech frame, and according to the accumulated information weight corresponding to the previous speech frame, the retention rate corresponding to the current speech frame, and the information weight of the current speech frame, the accumulated information weight corresponding to the current speech frame can be obtained. The retention rate is the difference between 1 and a leakage rate.

Abstract: When a first reference item is selected, an information processing device duplicates a second reference item associated with a second setting screen belonging to another setting category related to a component, which is a setting target of a first setting screen associated with the first reference item, and duplicates a third reference item associated with a third setting screen, of which a setting target is another component electrically or mechanically connected to the component being the setting target of the first setting screen. The information processing device duplicates and collectively displays one or multiple reference items including at least one of the second reference item and the third reference item.

Abstract: Aspects of the present disclosure provide techniques and apparatus for enhancing performance by selectively applying averaging to CSI reporting processes. According to certain aspects, a base station (e.g., an eNB) with knowledge of traffic patterns of potentially interfering transmitters may signal a UE how (or whether) to apply averaging, for example, when reporting CSI based on interference measurement resources (IMR).

Abstract: The present disclosure relates to a method, adapted to be implemented in an electronic device adapted to be powered by a power source, the method comprising monitoring a variation of an input voltage and/or an input current received from the power source while the electronic device is powered by the power source; and aborting, according to the monitored variation, a first action performed by a power consuming component of the electronic device. The present disclosure also relates to corresponding device, system, computer readable program product and computer readable storage medium.

Abstract: A network that is to execute transcoding is fixed. IMS networks set an information element that requests either of the IMS networks to execute transcoding into the SDP, and use that information element to select the IMS network that is to execute transcoding between the IMS networks. Then, the selected IMS network executes transcoding of media data.

Abstract: A network that is to execute transcoding is fixed. IMS networks set an information element that requests either of the IMS networks to execute transcoding into the SDP, and use that information element to select the IMS network that is to execute transcoding between the IMS networks. Then, the selected IMS network executes transcoding of media data.

Abstract: Systems and methods for providing a decentralized anti-counterfeit solution for supply chain tracking are disclosed. Exemplary implementations may: electronically store a product identifier that identifies a physical product; generate a secret code that is packaged with the physical product in a tamper-evident manner; generate a one-way encrypted code based on the secret code and the product identifier; create an asset that includes code executable by a decentralized database; record the asset on a decentralized database; record the one-way encrypted code in the asset; receive a request for verification regarding a given physical product; generate a given one-way encrypted code based on the request; determine whether the given one-way encrypted code is a match of the one-way encrypted code as recorded in the asset; responsive to a match, return a notification to the given user and remove the one-way encrypted code from the asset.

Abstract: Methods, systems, and devices for wireless communications are described. A wireless device that uses a first radio access technology (RAT) may identify a transmission timing scheme for a shared radio frequency spectrum band, the transmission timing scheme comprising a first set of time intervals allocated for transmissions using a first RAT and a second set of time intervals allocated for transmissions using a second RAT. The wireless device may transmit, during a time interval of the first set of time intervals, a channel reservation signal indicating an end time of the time interval and indicating that the wireless device uses the first RAT. The wireless device may transmit, based at least in part on the transmitted channel reservation signal, over the shared radio frequency spectrum band during at least a portion of the time interval before the end time of the time interval.

Abstract: The present invention disclose an occupancy detection device and related system and method for detecting presence of at least one person at or near a table or in a swimming pool with at least one sensor indicating an occupancy status locally with at least one light source and communicating it to at least one mobile device by means of at least one wireless communication method. The occupancy detection device, with the use of at least one sensor, at least one additional status is communicated to at least one mobile device. A plurality of occupancy detectors can be connected in a mesh or a star network and communicate to at least one mobile device by a wireless communication method or combinations of a wired and a wireless communication methods.

Abstract: A user equipment (UE) may make a joint decision of adaptive receive diversity (ARD) and adaptive transmit diversity (ATD) configurations, including transmit (Tx) and receive (Rx) antennas selection and/or blanking based on downlink (DL) and uplink (UL) traffic conditions. The UE may disable at least one Tx chain for a transmission of a codebook-based sounding reference signal (SRS) (SRS-CB) based on one or more of at least one DL traffic condition or at least one UL traffic condition, and transmit, to a base station, upon disabling the at least one Tx chain, the SRS-CB via an antenna associated with at least one active Tx chain.

Abstract: A wireless communication characteristics evaluation method for evaluating wireless communication characteristics of a wireless communication system where a plurality of wireless communication terminals perform communication by transmitting or exchanging signals, the wireless communication characteristics evaluation method including: a step 1 of acquiring power and a band of an interference signal; a step 2 of calculating an interference band rate showing a rate of the band of the interference signal that overlaps with a band of a desired signal; a step 3 of calculating an interference power rate from interference power and the interference band rate and furthermore, calculating steady noise power from the interference power and the interference power rate; a step 4 of determining a real SINR from received power of the desired signal and the steady noise power; and a step 5 of determining wireless communication characteristics of the desired signal from the real SINR.

Abstract: A transceiver (570) can include a power amplifier (540). A first antenna port (520) can be coupled to the power amplifier to receive power from the power amplifier. A second antenna port (530) can be coupled to the power amplifier to receive power from the power amplifier. A controller (580) can determine transmit power difference information corresponding to a transmit power difference between transmit power on the first antenna port and transmit power on the second antenna port. The transceiver can transmit the transmit power difference information.

Abstract: The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. The present disclosure provides a method for uplink power control, which is applied to a User Equipment (UE), and the method includes: determining a timing between a power control command and a Physical Uplink Control Channel (PUCCH), which adopts the power control command to control power. The present disclosure also provides a corresponding device.

Abstract: Various aspects related to ACK/NACK feedback for multi-TRP transmission scenarios are described. A base station, may send, to a UE, information indicating PDCCH monitoring occasions for each of a plurality of TRPs. In one aspect, the base station may send information indicating whether ACK/NACK feedback across the plurality of TRPs is allowed. The base station may send rules to the UE for performing ACK/NACK feedback bundling for providing feedback to the plurality of TRPs. The base station may also send information indicating a DAI definition for interpreting DAIs transmitted by the plurality of TRPs in corresponding PDCCH transmissions indicating whether the DAIs are independent or joint. The base station may receive a joint ACK/NACK feedback from the UE in a PUCCH based on the rules, or may receive multiple ACK/NACK feedback from the UE in a PUCCH for a first TRP independent from a second TRP.

Abstract: A resource indication method includes generating, by an access point, resource mapping information, where the resource mapping information includes a plurality of mapping segments, each mapping segment is associated with a frame type, each mapping segment includes a plurality of resource indicators, and each resource indicator indicates a resource allocated to a station in a frame corresponding to a frame type associated with a mapping segment to which the resource indicator belongs, and sending, by the access point, the resource mapping information.

Abstract: A communication system for point to multipoint communications by grouping client devices based on associated modes is provided. In one example implementation, point to multipoint communication improvements are achieved by grouping a plurality of client devices by their optimal modes for communication. For example, the communication system can determine, based on channel quality indicators (CQIs) that two client devices of a plurality of client devices are associated with an optimal first mode of a modal antenna. The system can group the two client devices into a first group, the first group associated with communication using the first mode of the modal antenna. The modal antenna can communicate with the first group using the first mode of a modal antenna during a single frame of communication.

Abstract: To control transmit power in a wireless device, the wireless device sends a data indication signal to the network adaptor. The data indication signal can indicate a transmission status of data to be transmitted and being located in at least one queue of a network stack of a computing device of wireless device. The network adaptor can determine using a time-averaged specific absorption rate (SAR) function, a transmit power for wireless transmission of data in the network adaptor by considering at least the data in the network adaptor and the at least one data indication signal.

Abstract: A system and method is provided to establish a global positioning service with massive availability of “position-learning” radio communication nodes. Each communication node learns of its geographic coordinate in a global sense by harvesting location information from neighboring communication nodes. By conducting telemetry multiple times and implementing an error index, each communication node maintains its geographic coordinate with a precision that improves progressively over time.

Abstract: The present invention relates to method and device for sharing state related information among a plurality of electronic devices and, more particularly, to method and device for predicting the state of a device on the basis of information shared among a plurality of electronic devices. In order to attain the purpose, a method for sharing state related information of a device, according to an embodiment of the present invention, comprises the steps of: generating a state model of a device on the basis of state related data; selecting one or more parameters for determining the state of the device on the basis of the generated state model; and transmitting the one or more selected parameters to at least one other device.

Abstract: Embodiments presented herein relates to a method for saving power in remote radio heads (RRHs) of a wireless communication system. The method is performed in an RRH controller node associated with a plurality of RRHs or the same cell, each of the plurality of RRHs having at least a first antenna branch A of the cell and a second antenna branch B of the cell. The method comprises providing S120 a first power saving indication to a first RRH of the plurality of RRHs, to inactivate its first antenna branch A, and providing S120 a second power saving indication to a second RRH of the plurality of RRHs, to inactivate its second antenna branch B, wherein at least one antenna branch is kept active in the first and second RRH. RRH controller nodes, a computer programs and a computer program product for saving power in RRHs of a wireless communication system are also presented.

Abstract: Systems and methods include a medical device that matches an identifier received over its optical channel and associated with a control device within a line-of-sight of the medical device with an identifier received over its wireless channel and that automatically pairs with the control device associated with the matching identifier over its wireless channel, as well as, a control device that matches an identifier received over its optical channel and associated with a medical device within a line-of-sight of the control device with an identifier received over its wireless channel and that automatically pairs with the medical device associated with the matching identifier over its wireless channel, as well as, a first device and a second device that automatically pair over a wireless channel based on a location identifier received over an optical channel from a transmitter within a line-of-sight of the first device and the second device.

Abstract: An improved telecommunications network that can reduce the network load on a rich communication services (RCS) server and/or local routers that implement 1-to-N and/or M-to-N services is described herein. In particular, the improved telecommunications network may include an improved RCS server that can route secure multicast messages instead of and/or in addition to unicast messages. For example, the improved RCS server can create a multicast group for a group of UEs in response to a request from a UE to create a group of UEs. Creation of the multicast group may include creating a shared multicast group key (SMGK) for the multicast group and/or selecting a security algorithm for the multicast group. The improved RCS server can then distribute the SMGK and/or the selected security algorithm to the UEs such that the UEs can use the SMGK and/or the selected security algorithm to encrypt and/or decrypt messages.

Abstract: Aspects of the subject disclosure may include, for example, obtaining a model of a communication network, applying first data to the model to generate an updated model, processing the updated model to establish a first control, enabling first communications in the communication network in accordance with the first control, obtaining first parametric data regarding the first communications in the communication network that are based on the first control, processing the first parametric data in accordance with the updated model to generate an updated first control, and enabling second communications in the communication network in accordance with the updated first control. Other embodiments are disclosed.

Abstract: A learning-type signal separation method performed using a model formulation unit, which performs learning processing based on a training-use signal including a specific component, and a training-use signal not including the specific component, the training-use signals including a common characteristic. The learning-type signal separation method includes: generating learned data by causing the model formulation unit to perform learning processing based on the training-use signal and information indicating whether or not the specific component is included in the training-use signal, to generate a data series signal in which the specific component has been separated and removed from a data series of the training-use signal; acquiring an arbitrary signal including the common characteristic; and generating, based on the acquired arbitrary signal and the generated learned data, a data series signal in which the specific component has been separated and removed from a data series of the arbitrary signal.

Abstract: The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. Embodiments herein provide a system for establishing a first-to-answer call in a Mission Critical Push to Talk (MCPTT) communication. The system includes a MCPTT originating client configured to initiate a first-to-answer call and transmit a first-to-answer call request to a MCPTT server. The system includes the MCPTT server configured to receive the first-to-answer call request from the MCPTT client.

Abstract: Apparatus and methods for sounding reference signal (SRS) switching are provided. In certain embodiments, transmit path resources of user equipment (UE) are used to reduce or eliminate the impairment of SRS upon transport capacity. Furthermore, the transmit path resources can be used for other purposes, and thus SRS switching time can be reduced by re-using transmit path resources that may be included for other purposes. The teachings herein can be used to achieve SRS switching of 0 ?s, thereby eliminating the impact of switching timing constraints for SRS symbols on transport capacity.

Abstract: Various switchable devices including inductive antennas are disclosed. These switchable devices may include one or more RFID tags and one or more switches. Some of these one or more switches are optionally wireless and/or manual. In various embodiments, the switchable devices include are included within cellular phones, security devices, identity devices, financial devices, remote controls, and the like. The switchable devices are optionally configured to perform financial transactions.

Abstract: Systems and methods are disclosed for executing the electronic distribution of electronic content to a dynamic display.

Abstract: A victim user equipment (UE) may experience cross-link interference (CLI) from transmissions from an aggressor UE. The present disclosure provides for a cell-group transmission power control (TPC) command that allows the base station to adjust the transmission power of uplink transmissions on multiple cells in order to mitigate cross-link interference. A UE may receive the cell-group TPC command as a single downlink control information (DCI) that indicates a plurality of TPC commands for a plurality of cells that are configured for the UE. The UE may adjust a transmit power for a respective uplink transmission for each respective cell of the plurality of cells based on a respective TPC command of the plurality of TPC commands.

Abstract: A communication system, in which a plurality of nodes communicate with each other according to a communication protocol, which wakes up some of the plurality of nodes when a communication frame containing specific start information occurs on or is transmitted to the communication bus, includes a master node determines, for each of slave nodes, a start condition, which is a condition for transition of a subject node from a sleep state to a normal state. The master node transmits, to the communication bus, the determined start condition tailored for each of the slave nodes for a reception thereof by each of the slave nodes.

Abstract: The present disclosure provides a method and a device in a User Equipment (UE) and a base station used for paging. The UE first monitors a first signaling in X time intervals respectively, and then receives a first radio signal. The first signaling is used for determining scheduling information for the first radio signal. The scheduling information includes at least one of {occupied time-frequency resource, adopted MCS, subcarrier spacing of subcarriers in occupied frequency domain resource}. The first radio signal carries a paging message. The frequency domain resource is used for transmitting the first signaling belongs to a first subband. The first subband includes a positive integer number of consecutive subcarriers in frequency domain. At least one of {location of the first subband in frequency domain, subcarrier spacing of subcarriers included in the first subband} is used for determining the X time intervals.

Abstract: The disclosed computer-implemented method for increasing cybersecurity protection may include (i) receiving, at a subscription-management computing device, an alert indication that indicates (A) a cybersecurity status score on a protected computing device is lower than a threshold value and (B) the protected computing device is associated with an expired subscription to a cybersecurity service and (ii) performing, responsive to receiving the alert indication, a security action comprising sending, from the subscription-management computing device to a server, a transfer instruction directing the server to transfer, to the protected computing device, at least a portion of a duration of a valid subscription to the cybersecurity service. Various other methods, systems, and computer-readable media are also disclosed.

Abstract: A headset communication device includes at least one processor configured to transmit, via a dedicated virtual communication channel of a wireless communication protocol, local beacon data to one or more remote headset communication devices within a work environment, to discover a remote headset communication device included in the one or more remote headset communication devices by receiving, via the dedicated virtual communication channel of the wireless communication protocol, remote beacon data that is transmitted by the remote headset communication device, to automatically synchronize, based on the remote beacon data, the headset communication device with the remote headset communication device, and, to transmit, via one or more additional virtual communication channels of the wireless communication protocol, local audio communication data to the one or more remote headset communication devices.

Abstract: A repeater device that includes control circuitry, which activates a slave mode in the repeater device based on a request received from a first wireless communication device. The control circuitry receives a first radio frequency signal from a base station and acquire timing information of the base station. The control circuitry executes a network time synchronization with the base station based on the acquired timing information of the base station. The repeater device in the slave mode acts as a slave of the base station based on the network time synchronization. The control circuitry executes a synchronization with a modem of the first wireless communication device in which the repeater device in the slave mode follows radio signals and a radio state of the modem of the first wireless communication device.