Abstract: A plurality of messages can be received from a remote device, each of the messages including a respective sent time from the remote device. A receiver can store a respective receipt time of each of the messages. A computer clock can be adjusted based on a first difference between respective sent times and a second difference between respective receipt times.

Abstract: Disclosed is a method and a system for sharing communication between connected home-automation devices belonging to a first communication network and a remote device connected to a second communication network, the first communication network being connected to the second communication network by a network device, the network device being suitable for allowing communication between at least one connected home-automation device of the first network and the remote device. The method includes determining a communication link device among the connected home-automation devices of the first communication network, as a function of at least one feature of the connected home-automation devices, and maintaining, by the communication link device, a communication channel between the first communication network and the remote device via the network device for the benefit of the other connected home-automation devices of the first communication network.

Abstract: A wireless communication node includes a receiving portion configured to detect, over a wireless communication channel, a request to send (RTS) message from a transmitting station within a communication vicinity of the wireless communication node. The RTS message includes at least one duration field. The wireless communication node further includes a processor configured to (i) calculate an estimated time parameter, (ii) add the estimated time parameter to a current timestamp of the wireless communication node, and (iii) form a control packet from the RTS message, the at least one duration field, and the estimated time parameter. The wireless communication node further includes a transmitting portion configured to transmit over the wireless communication channel (i) a clear to send (CTS) message the transmitting station, and (ii) the control packet to a modem in operable communication with the wireless communication channel.

Abstract: Techniques are described to detect and/or prevent malicious wireless attacks and/or suspicious wireless activity related to a wireless network in a commercial passenger vehicle. For example, an access point located in the commercial passenger vehicle receives a set of wireless beacon frames from a first wireless device, makes a first determination of a first beacon frame rate of the set of wireless beacon frames, receives a second beacon frame after a first beacon frame, makes a second determination of a second beacon frame rate of the second beacon frame relative to the first beacon frame, makes a third determination that a second wireless device is impersonating the first wireless device upon comparing the first beacon frame rate to the second beacon frame rate, and sends, upon making the third determination, a security alert message to an external input/output (I/O) device in the commercial passenger vehicle.

Abstract: A clock source determining method and an apparatus are provided. The method includes: A session management network element receives a session request from a mobility management network element. The session request includes information about a network slice and a DNN, and the session request is used to request to create a session. The session management network element determines clock source information corresponding to both the information about the network slice and the DNN. The session management network element sends the clock source information to an access network device. The clock source information is used by the access network device to perform clock synchronization with a terminal device.

Abstract: A method for maintaining synchronization of nodes in a mesh network includes: receiving primary beacons from a first transmitting node during a predetermined time interval, each of the primary beacons comprising time information indicating a time that a respective primary beacon was transmitted; comparing the time that each of the primary beacons was transmitted with a time that each of the primary beacons was received to determine a time difference; accumulating the time difference for each primary beacon received from the first transmitting node during the predetermined time interval to generate a first time synchronization error; comparing the first time synchronization error to a first threshold value; and in response to determining that the first time synchronization error exceeds the first threshold value, transmitting a first request to the first transmitting node to increase a rate of beacon transmissions for a specified period of time.

Abstract: A wireless media distribution system is provided comprising an access point (6) for broadcasting media and a plurality of stations (2) for reception and playback of media. Each station is configured for receiving and decoding a timestamp in a beacon frame transmitted repeatedly from the access point. This is used to control the output signal of a station physical layer clock (12) which is then used as a clock source for an application layer time synchronisation protocol. This application layer time synchronisation protocol can then be used in the station to control an operating system clock (8) for regulating playback of media.

Abstract: A method including a network device receives a plurality of fragments of an Ethernet frame, where the plurality of fragments include an initial fragment and a first fragment, and the initial fragment includes a destination media access control (MAC) address field, in response to an error that occurs in the Ethernet frame, changes the first fragment to a second fragment, where the second fragment includes second type indication information (TII) and second to-be-transmitted data (TBTD), the second TII indicates that a type of the second TBTD is a control character, a value of first TBTD is different from a value of the second TBTD, and the second TBTD indicates that an error occurs in the Ethernet frame, and the network device sends the second fragment to a destination device.

Abstract: In an example, information about interactions by users, via the graphical user interface, with a plurality of items rendered in the graphical user interface, is obtained, the information including a timestamp of a time and date at which the corresponding interaction occurred. A series of operations is performed upon detecting a condition that triggers a ranking of items rendered in the graphical user interface, for each item for which the condition applies. A ranking score is calculated for the item and a decay is applied to the ranking score by applying a Gaussian distribution, using the timestamp of the item as an origin to the Gaussian distribution, producing a decayed ranking score. The items for which the condition applies are then ranked based on their respective decayed ranking scores and a subset is rendered in the graphical user interface in an order matching the ranking.

Abstract: Embodiments relate to systems and methods for electronically conditioning transmission of communications based on results of a connection assessment. An electronic file is executed at an electronic device, which causes a first query and a second query to be presented. A first query response and a second query response are identified. The first query response is stored in a locked configuration that inhibits the ability to modify the first query response to the first query. The second query response is stored but is not stored in the locked configuration. Query response data is generated that includes an identifier of the second query, an identifier of the second query response and an identifier of the electronic device. A connection variable is determined by assessing one or more network connections available to the electronic device. When a transmission condition is satisfied, the query response data is transmitted to another device.

Abstract: Determination of one or more timing (phase) and/or frequency corrections to be made to a local time base of a receiver device to synchronize the local time base with the time of GPS or other highly accurate time base. Timing packets from one or more grandmaster devices whose time bases are substantially the same as that of GPS or the like and/or positioning system signals (e.g., GPS signals) directly from a positioning system are received and manipulated to determine the timing and/or frequency corrections. The corrected time base may be used to assist in acquiring such positioning signals to allow for higher accuracy correction and/or for downstream communication operation. The present utilities are advantageous such as when a sufficient number of channels (e.g., four) from the receiver device to positioning system satellites are unavailable to synchronize the local time base to the GPS or other accurate time base.

Abstract: Systems and methods that may facilitate synchronizing the presentation of a program on multiple devices are disclosed. Synchronization information related to a program may be exchanged via a two-way communications channel. Amounts by which each device may delay its presentation of a program may be calculated and/or exchanged.

Abstract: Certain aspects and features include techniques for reporting resource flow at a metering device. In an example, a metering device measures resource flow by measuring a pressure or a flow rate. The metering device sets a reporting rate to a default reporting rate. The metering device transmits communications indicating the measured resource flow to an external device at the reporting rate. The metering device detects seismic activity at the metering device. The metering device determines that the seismic activity exceeds a seismic threshold. The metering device, in response to determining that the seismic activity exceeds the seismic threshold, adjusts the reporting rate to an event reporting rate, and starts an event time period. The metering device, transmits communications indicating the measured resource flow to the external device at the event reporting rate during the event time period.

Abstract: A method and system for managing carriers on which a base station provides service to a user equipment device (UE), based on consideration of latency. A base station that is arranged to operate on a plurality of carriers may, while serving a UE on a set of one or more carriers of the plurality, select, from at least two other carriers of the plurality, an additional carrier to add to the set of one or more carriers on which the base station serves the UE, and may make the selection based a latency on the selected carrier. In response to selecting the additional carrier, the base station may add the selected carrier to the set of one or more carriers on which the base station serves the UE, and may then serve the UE on the set of one or more carriers including the selected carrier.

Abstract: An analog-to-digital converter includes a voltage-controlled oscillator (VCO) having an input for receiving an analog input signal; a double binary counter having a first input coupled to a first output of the VCO, a second input coupled to a second output of the VCO; a first set of registers coupled to the first output of the double binary counter; a second set of registers coupled to the second output of the double binary counter; sense amplifiers coupled to the outputs of the VCO; and a correction component coupled to the first set of registers, the second set of registers, and the sense amplifiers, wherein the correction component generates a coarse count, a fine count, and combines the coarse count and the fine count to provide a digital output signal representative of the analog input signal.

Abstract: A time synchronization method includes receiving, by a receive-end device, a first timestamp and a first header signal sent by a transmit-end device, where the first timestamp indicates a first moment at which a first channel medium conversion module sends the first header signal, and a second moment at which the receive-end device receives the first header signal. The method further includes sending a second header signal to the transmit-end device, where a third moment at which the receive-end device sends the second header signal. The method further includes receiving a fourth timestamp sent by the transmit-end device, where the fourth timestamp indicates a fourth moment at which the transmit-end device receives the second header signal. The method further includes synchronizing time with the transmit-end device based on the first moment, the second moment, the third moment, and the fourth moment.

Abstract: UEs are configured to transmit feedback related to data received on a multicast traffic channel on dedicated resources. Network nodes are configured to retransmit the data based on the received feedback.

Abstract: According to one embodiment, a controller of a memory system writes write data associated with a set of received write requests to a first write destination storage region in a first write mode of writing a plurality of bits per memory cell, without writing the write data to a second storage region. When receiving from a host a first request to cause a state of the first write destination storage region to transition to a second state in which writing is suspended, the controller transfers un-transferred remaining write data from a write buffer of the host to an internal buffer, and writes the remaining write data to the second storage region in a second write mode of writing 1 bit per memory cell.

Abstract: A memory operation method applicable to a memory storage device is provided. The memory operation method including the following steps: receiving, from a memory controller, a first operation command for performing a first memory operation on a memory array of the memory storage device; and in response to the first operation command, transmitting first address information of the memory array corresponding to the first memory operation to the memory controller through a data interface of the memory storage device. In addition, a memory storage device using the memory operation method is also provided.

Abstract: Methods, apparatus and articles of manufacture to monitor streaming media are disclosed. Example media monitoring methods disclosed herein include presenting streaming media accessed via a network, extracting metering metadata from a metadata channel associated with a transport stream, the transport stream providing the streaming media to a media presentation device, in response to a detected event, reporting the metering metadata to a server, accessing an identification of secondary media for presentation responsive to the reporting of the metering metadata, and presenting the identified secondary media.

Abstract: A logic circuitry package for a print apparatus component includes an interface to communicate with a print apparatus logic circuit, and at least one logic circuit. The at least one logic circuit is configured to receive, via the interface, a command series addressed to a first default address and a second default address, and transmit, via the interface, at least one response in response to at least one command of the command series. The at least one logic circuit is configured to receive, via the interface, an other command series addressed to an other first default address and subsequently, the second default address, and transmit, via the interface, at least one other response in response to at least one other command of the other command series.

Abstract: A distributed control information system for three party communications in a Vehicle to Everything (V2X) environment is disclosed. A first node can generate sidelink control information for a transmission between a second node and a third node. The first node can transmit the sidelink control information to the second node, and then the second node can transmit a portion of the sidelink control information relevant to the third node to the third node. In an embodiment, the first node can also send the third node portion of the sidelink control information to the third node directly, thus improving the reliability of the system. These transmissions can be performed via sidelink communications channels.

Abstract: The techniques described herein relate to methods, apparatus, and computer readable media configured to schedule individual orthogonal frequency-division multiple access (OFDMA) resources on an upstream channel to serve a data transmission request from a downstream device. A schedule for a set of available resources on the upstream channel to serve the data transmission request is generated, based on a dynamic bit loading profile, including generating data indicative of a first bit loading profile for a first set of resources from the set of available resources for a first burst, and data indicative of a second bit loading profile for a second set of resources from the set of available resources for a second burst. The schedule is transmitted to a downstream device, such that the downstream device is configured to encode the first burst using the first bit loading profile and the second burst using the second bit loading profile.

Abstract: A computer-implemented method for importing external data into a content management system (CMS) may be provided. The CMS comprises a search and an authoring service. The CMS also comprises a dynamic page connector service enabling an import of external data into the content management system. The method comprises receiving address data relating to the external data, reading the external data using the address data received, selecting a page template from a plurality of predefined page templates, creating at least one new content item in the content management system comprising at least a data element of the read external data based on the selected predefined page template, and integrating in the at least one new content item data concerning a hierarchy structure between the at least one created content item and other content items.

Abstract: A network device synchronization method is provided. In various embodiments, a first SSM and a second SSM are received. The first SSM carries a first SSM code indicating a quality level of a first clock source and a first eSSM code indicating the quality level of the first clock source, the second SSM carries a second SSM code indicating a quality level of a second clock source. The second SSM lacks an eSSM code indicating the quality level of the second clock source, and a value of the first SSM code is equal to a value of the second SSM code. When a value of the first eSSM code is less than 0xFF, calibrating a frequency of the network device based on a timing signal of the first clock source.

Abstract: In a transceiver, the accuracy of a packet time stamp can be improved by compensating for errors introduced by processing of the packet. A received packet can be received via multiple lanes. A packet time stamp can be measured using a start of frame delimiter (SFD). A last arriving lane can be used to provide a recovered clock signal. A phase offset between the recovered clock signal and the system clock of the transceiver can be used to adjust the time stamp. A position of the SFD within a data block can be used to adjust the time stamp. A position of the data block within a combined group of data blocks can be used to adjust the time stamp. Also, a serializer-deserializer delay associated with the last arriving lane can be used to adjust the time stamp.

Abstract: A transmitter, a receiver and methods therein, configured to transmit a first type of synchronisation signal, in M1 symbols li,, 0?i?(M1?1) and a second type of synchronisation signal in M2 symbols kj,, 0?j?(M2?1) of a subframe, wherein M2?M1?2. The transmitter comprises a processor, configured to determine in which symbols li the synchronisation signal of the first type is to be transmitted, and in addition configured to calculate in which symbols kj, the synchronisation signal of the second type is to be transmitted, by placing each of the M2 symbols kj at a symbol distance from an associated symbol li. The transmitter also comprises a transmitting circuit configured to transmit the synchronisation signals of the first type in the M1 symbols li, and transmitting the synchronisation signals of the second type in the M2 symbols kj.

Abstract: The disclosure describes methods and systems for performing time synchronization in a heterogeneous system. In one example, a method includes evaluating, by a computing system, one or more network conditions of a network to determine whether to perform a time synchronization process with a secondary device in the network, wherein the one or more network conditions include a health score for the secondary device, and, in response to determining, based on the evaluation of the one or more network conditions, to perform the time synchronization process: determining based at least in part on a time indication for a clock on a master device and a time indication for a clock on the secondary device, a time synchronization offset for the secondary device; and sending the time synchronization offset for the secondary device to the secondary device in a data packet.

Abstract: A method of synchronizing signals is disclosed. The method comprises using a clock tracking system to convert a future event target time specified in a time base of a master device into the local unsynchronized time bases of one or more slave devices. Each of the slave devices then generates an event signal at the converted time, such that a coordinated delivery of synchronized signals is achieved.

Abstract: Systems and methods for processing inbound and outbound secure packet traffic are provided herein. A first lookup operation can be performed to identify a security association corresponding to a received packet. A second lookup operation can be performed to determine a security parameters index associated with the packet and the identified security association. The packet can be processed in accordance with the security association and the security parameters index.

Abstract: Some embodiments provide a method of identifying packet latency in a software defined datacenter (SDDC) that includes a network, several host computers executing several machines, and a set of one or more controllers. At the set of controllers, the method o receives, from a set of host computers, (i) a first set of time values associated with multiple packet processing operations performed on packets sent by a set of machines executing on the set of host computers and (ii) a second set of time values associated with packet transmission between host computers through the SDDC network. The method processes the first and second sets of time values to identify a set of latencies experienced by multiple packets processed and transmitted in the SDDC.

Abstract: A method for transporting Ethernet frame packets assembled from a constant bit rate (CBR) client stream from an ingress network node to an egress network node, each Ethernet frame packet including a payload region having a number of bytes of CBR client data from the CBR client stream determined by a client rate value of the CBR client stream. The method including synchronizing a reference clock signal and a ToD in the ingress network node to a packet-based time distribution mechanism, independently synchronizing a reference clock signal and a ToD in the egress network node to the packet-based time distribution mechanism, for an Ethernet frame packet assembling a presentation time packet including a sequence number and a presentation ToD for the Ethernet frame packet, and transmitting the Ethernet frame packets and the presentation time packet to the egress network node over the packet transport network.

Abstract: Methods, systems, and devices for wireless communications are described. In an example, a method includes a first node receiving a precision time protocol (PTP) message, identifying one or more timing domains to be supported by the first node based at least in part on the PTP message, and sending, to a second node of the wireless communication network, an indicator of the one or more timing domains to be supported by the first node. Another example at a node includes receiving, from additional nodes of the wireless communication network, indicators of one or more timing domains supported by the additional nodes, receiving a PTP message associated with a timing domain, and sending the PTP message to a subset of the additional nodes based at least in a part on the indicators of one or more timing domains supported by the additional nodes.

Abstract: According to one embodiment, a controller of a memory system performs a first operation a plurality of times for each of a plurality of first blocks. The first operation includes a write operation for writing data in a first write mode for writing m-bit data per memory cell and a data erase operation. While a second block is not a defective block, the controller performs a second operation a plurality of times for the second block. The second operation includes a write operation for writing data in a second write mode for writing n-bit data per memory cell and a data erase operation. When the second block is a defective block, the controller selects a first block from the plurality of first blocks, and writes second write data to the selected first block in the second write mode.

Abstract: A reflector structure for a tunable laser and a tunable laser. A super structure grating is used as a reflector structure, and a suspended structure is formed around a region in which the super structure grating is located, to implement, using the suspended structure, thermal isolation around the region in which the super structure grating is located, and increase thermal resistance, such that less heat is lost, and heat is concentrated in the region in which the super structure grating is located, thereby improving thermal tuning efficiency of the reflector structure. Moreover, lateral support structures are disposed on two sides of the suspended structure, to provide a mechanical support for the suspended structure. In addition, regions in the super structure grating that correspond to any two lateral support structures on a same side of the suspended structure fall at different locations in a spatial period of the super structure grating.

Abstract: A method for transmitting a data stream containing a second ordered sequence of numerical values, which sequence is determined from a first ordered sequence, a second succession of consecutive numerical values of the second sequence being obtained from a corresponding succession of consecutive numerical values of the first sequence. The method estimates a load value representative of a current load on the network, to determine, depending on the estimated value, a second succession to be transmitted in a predefined time interval following the current time, the second succession being a corresponding first succession of the first sequence or a succession modified by applying a selection law to the bits of the first succession and to transmit the second succession and, in case of transmission of a modified succession, a processing indicator signaling a succession modification.

Abstract: Continuance in quality level of an input timing signal may be provided. Clock source reference timing information may be receive by a first node from a second node as an input. The first node may be downstream from the second node. Then the first node may receive an event message associated with a future event associated with the second node. The first node may then refrain, for a period of time in response to receiving the event message, from switching the input for clock source reference timing information to a source other than the second node.

Abstract: A high-speed data-plane packet aggregation and disaggregation method is disclosed. The method includes following steps: receiving a plurality of packets by the P4 switch; parsing each of the plurality of packets by using a parse graph; determining the type of the packets by using a match-action table; conducting packet aggregation and disaggregation process at the pipeline of the P4 switch; and transmitting the aggregated packet or the original data packet to a deparser of the P4 switch and outputting the aggregated packet or the original data packet by the P4 switch.

Abstract: A communication device 2 according to the present disclosure includes (i) a synchronization signal receiver 203 to receive a synchronization signal from a master device 1 that has a reference time and transmits the synchronization signal every synchronization period, (ii) a synchronization signal determiner 210 to determine whether the synchronization signal is normal or abnormal, (iii) a synchronization processor 211 to perform, when the synchronization signal is determined to be normal by the synchronization signal determiner, synchronization processing based on the synchronization signal determined to be normal, and (iv) an additional transmission requester 214 to request the master device to additionally transmit the synchronization signal before transmitting the synchronization signal during a next period when the synchronization signal is determined to be abnormal by the synchronization signal determiner.

Abstract: The present disclosure relates to a time division duplexing (TDD) sub-system of a distributed antenna system using a TDD mode. According to the present disclosure, a head-end unit of a distributed antenna system using a division duplexing mode has a TDD sub-system which includes a TDD sync detection module, a TDD sync replica module, a TDD sync self delay detection module, and a TDD sync operator delay detection module, whereby quickly detecting possible errors in the system operation, and more efficiently performing responsive servicing thereto.

Abstract: A packet processing apparatus includes a plurality of queues that store received packets according to types of the received packets; and a processor coupled to the plurality of queues and configured to: collect information on packet quantity of received packets in each time slot, identify a periodicity pattern of the received packets based on the packet quantity of the received packets in each time slot, based on the identified periodicity pattern of the received packets, identify a time slot section where received packets of a predetermined type are to be outputted preferentially, and control opening and closing of each of the plurality of queues in the identified time slot section.

Abstract: The present disclosure relates to an electronic apparatus. The electronic apparatus includes a signal receiving unit that may receive a video signal; an interface unit that may communicates with a security processing module; a signal processing unit; and a processor that transmits first data of the video signal received by the signal receiving unit to the security processing module through the interface unit and receives secured second data from the security processing module, controls the signal processing unit to process the received second data for displaying a video, identifies whether continuity of processing of second data by the signal processing unit is limited based on a ratio of a transmission amount of the first data and a transmission amount of the second data transmitted and received between the interface unit and the security processing module, and performs subsequent processing according to the identification.

Abstract: Clock-data timing in a multi-lane serial data communication link may be adjusted to compensate for drift. A reference lane may be selected and periodically trained to adjust clock-data timing. In response to initiation of a first lane transitioning from an active state to an inactive state, first information representing the clock-data timing of the reference lane at the time that transition is initiated may be determined. Then, in response to initiation of the first lane transitioning back from the inactive state to the active state, second information representing the clock-data timing of the reference lane at the time that transition is initiated may be determined. The clock-data timing of the first lane may be adjusted based on the first information and the second information.

Abstract: A method, device, and system for receiving a downlink signal is provided. The method includes: detecting a Channel State Information Reference Signal (CSI-RS) in a time unit #n on an unlicensed band cell; verifying whether the CSI-RS is used for Discovery RS (DRS) using an initialization value of a CSI-RS sequence of the CSI-RS; and performing a Radio Resource Management (RRM) measurement when the CSI-RS is used for the DRS. The CSI-RS is used for the DRS when an index of the time unit #n is not used for the initialization value of the CSI-RS sequence.

Abstract: Systems and methods for video distribution synchronization are described herein. An example method to distribute a media stream over a distribution network to a number of devices may include determining, by one or more computer processors coupled to memory, a common master-client shared time reference Tref. Example methods may include determining a mean intermediate arrival time for first packets of a first type of the media stream, determining respective first playout times for the first packets based on the mean intermediate arrival time and the time reference Tref, associating the first packets with the respective first playout times, and distributing the media stream to the plurality of devices.

Abstract: A wireless customizable referee paging system is disclosed. The system includes at least two flag signaling components, each flag signaling component having an electronic signature to send a unique flag signal based on a flag user's input for that flag signaling component. The system includes a central receiving component that receives the unique flag signal from each flag signaling component and then alerts a central user to receipt of the unique flag signal. The flag signaling components and the central receiving component each having a Bluetooth® radio circuit and thereby the flag signaling components communicate with the central receiving component substantially exclusively via Bluetooth® technology. The flag signaling components and the central receiving component each have a pairing-mode and a signaling-mode. The pairing-mode uniquely pairs each flag signaling component to the central receiving component.

Abstract: In one embodiment, a computer apparatus includes a first NIC including at least one network interface port to transfer data with a first packet-data network (PDN) including a master clock to provide a clock synchronization signal S1, a first physical hardware clock (PHC) to maintain a time value T1 responsively to S1, and a first clock controller to generate a clock synchronization signal S2 responsively to S1, S2 having a frequency set responsively to S1, and send S2 over a connection to a second NIC including at least one network interface port to transfer data with a second PDN, a second PHC, and a second clock controller to receive S2, update the second PHC with a time value T2 responsively to S2, send another clock synchronization signal to network nodes in the second PDN responsively to T2, the second NIC acting as a master clock in the second PDN.

Abstract: There is provided a transmission device including circuitry configured to generate a physical layer frame. A time information descriptor is included in a preamble of the physical layer frame. The time information descriptor includes a time information flag that indicates presence or absence of time information in the time information descriptor. The circuitry is configured to transmit the physical layer frame including the preamble and a payload. The time information indicates a time of a predetermined position in a stream of the physical layer frame.

Abstract: A network device receives a packet that conforms to a protocol that i) defines a time stamp field, ii) does not define a dedicated field for time correction information, and iii) defines a plurality of general purpose extension fields. The packet includes (i) a time stamp generated by a source node in the time stamp field, and (ii) a time correction value corresponding to multiple ones of the plurality of intermediate nodes, the time correction value being located in one of the general purpose extension fields. The network device identifies (i) a time specified by the time stamp, and (ii) time correction information specified in the one general purpose extension field, and uses the time correction information and the time specified by the time stamp to synchronize a clock maintained by the network device to a clock maintained by the source node.

Abstract: An electronic device, method, and computer program product provide an asynchronous quick connection or reconnection between wireless connecting devices for low-latency transitions in presentation of content to a user. A first device transmits an out-of-band frame sync signal to a second device to prompt the second device to synchronize clocks with the first device and to one of: (i) connect; and (ii) reconnect an over-the-air (OTA) communication session with the first device. First and second devices establish the OTA communication session. The establishment is expedited by the out-of-band frame sync signal. First device transmits output data, via the in-band OTA session, by the first device to the second device to present the output data on a second user output device of the second device.