Abstract: Embodiments disclosed herein provide for a method including configuring a self-learning safety sign to: establish vehicle-to-everything (V2X) communications with a two-wheeler equipped with a V2X transceiver and positioned at a ride point and/or ridden along a common and divergent route according to a setup stage for the safety sign; receive ride parameters in the V2X communications from the two-wheeler associated with the positioning and/or riding of the two-wheeler; and analyze the received ride parameters to create a ride model for determining a future route to be taken by any two-wheeler in V2X communication with the safety sign.

Abstract: Methods and apparatuses are provided for allocating cellular vehicle-to-everything (C-V2X) radio transmission resources for transmitting messages in a C-V2X network from amongst a pool of initial resources from within a plurality of subframes. For each subframe in the plurality of subframes, it is determined whether transmitting in the subframe is likely to cause reception degradation with other C-V2X messages being transmitted in the network, and if yes, all resources in the subframe are excluded prior to allocating a resource for transmission.

Abstract: Cooperative advanced driving assistance systems (ADAS) and cooperative safety systems using vehicle-to-everything (V2X) communications and methods of use. A method may comprise, by a guiding vehicle, periodically identifying an error of a nearby connected road-user and if an error is identified, transmitting a guidance message with guidance data using V2X communications to the connected road-user; and by the connected road-user as a guided road-user, using the guidance data to fix the error.

Abstract: Apparatus for V2X communications comprising an application layer configured to analyze a high-risk scenario involving a self-vehicle and other vehicles, an access or network layer configured to ensure reception of messages broadcast by the self-vehicle by requesting acknowledged only from vehicles identified as involved in the high-risk scenario, and an interface connecting the application layer to the access or network layer for carrying results of the analysis of the high-risk scenario and the identification of involved vehicles. In an exemplary method of use, a self-vehicle performing identifies vehicles involved in a high-risk scenario, broadcasts one or more times a first message that can prevent or mitigate the high-risk, requests acknowledgement for the first message from only the identified vehicles, and rebroadcasts the first message if acknowledgement is not received from all the identified vehicles before a predetermined condition is fulfilled.

Abstract: Methods and systems for processing vehicle to everything (V2X) messages for use by machine learning applications are disclosed. From each of a plurality of vehicles, one or more V2X messages are received, each V2X message including vehicle-related data associated with the vehicle and the received message. A sequence of frames is generated based on the vehicle-related data from at least a subset of vehicles in the plurality of vehicles. Slices of the sequence of frames are aggregated to generate a plurality of time-lapse images. One or more time-lapse images are processed using a machine learning algorithm to generate an output indicative of a traffic-related prediction.

Abstract: System for evaluating driver risk, comprising a local V2X communication unit for transmitting at least one attribute from a self-vehicle to remote vehicles and for receiving in the self-vehicle at least one attribute from each of the remote vehicles, the self-vehicle and the remote vehicles having respective drivers, a local unsafe act detection unit configured to detect at least one unsafe act of the self-vehicle and to report the at least one unsafe act, and a centralized driver behavior-grading unit configured to process the reported at least one unsafe act, to grade the driver of the self-vehicle for risk, and to output a respective self-vehicle driver risk grade.

Abstract: Methods and apparatus for allocating cellular vehicle-to-everything (C-V2X) radio transmission resources for transmitting messages in a C-V2X network from amongst a pool of initial resources comprised within a plurality of subframes. For each subframe in the plurality of subframes, it is determined whether transmitting in the subframe is likely to cause reception degradation with other C-V2X messages being transmitted in the C-V2X network, and if yes, all resources in the subframe are excluded prior to allocating a resource for transmission.

Abstract: Apparatus and methods that mitigate interferences between two vehicle-to everything (V2X) communications channels to maintain a sufficient communication range for both channels. A method comprises, in a V2X communication unit, detecting energy of an adjacent channel, or current and future scheduled transmission in the adjacent channel, if available, the adjacent channel being adjacent to a main channel, and if adjacent channel transmission is detected, deferring transmission in the main channel to maintain a sufficient communication range for both the main channel and the adjacent channel.

Abstract: System and methods for plausibility check in vehicle-to-everything dynamic environments in which a local vehicle communicates with remote vehicles. The system comprises means for obtaining a measured RSSI from a specific remote vehicle, and a modified plausibility check unit configurable and operable to apply a dynamic RSSI model to detect implausible positioning of the specific remote vehicle and/or of the local vehicle based on the measured RSSI of the specific remote vehicle and on a RSSI calculated for the specific remote vehicle. Decisions on respective further actions to be performed by the specific remote vehicle and by the local vehicle are made based on respective plausibility checks applied to both vehicles using the dynamic RSSI model.

Abstract: Apparatus and methods for vehicle-to-everything (V2X) communications, and in particular for vehicle-to-vehicle (V2V) communications. The apparatus comprises two remote antennas positioned in a vehicle and communicatively coupled by digital connectivity and a coordinator communicatively coupled to the two remote antennas and operative to synchronize operation of the two remote antennas.

Abstract: Method and system for obtaining positioning of nodes in a wireless local access network (WLAN), comprise, by an initiator node of the WLAN, calculating a compensated time-of-flight (ToF) of messages exchanged between the initiator node and a target node and calculating a distance of the target node relative to the initiator node using the compensated ToF, thereby obtaining relative positioning between the initiator and target nodes. The compensated ToF is calculated using OFDM symbol slope inputs measured at the initiator and target nodes. Each node is associated with an enhanced WLAN unit adapted to measure and calculate the compensated ToF.

Abstract: Systems for supporting multi-channel dynamically controlled diversity reception in wireless communications include a plurality M of receivers coupled to M antennas and configured handle N communication channels wherein N?M?(2*N?1) and N channel state machines configured to dynamically allocate multiple channels of the N channels to the M receivers to support dynamic switched diversity for multi-channel dynamically controlled reception. Each channel state machine is configured to control the operation of each receiver. Arbitration is performed between channel state machines when such channel state machines work concurrently. In some embodiments, a lock state machine inside each channel state machine accelerates the locking time of a receiver based on at least one parameter received from another receiver.

Abstract: Apparatus and methods for efficient external control of the transmit power of a remote fixed gain antenna unit in RF communications. Apparatus embodiments include a separate feeding unit coupled to a remote fixed gain antenna unit through a single coaxial line. The feeding unit is operative to provide transmit control signals to the remote antenna unit based on power feedback created in the remote antenna unit and sent to the feeding unit over the single coaxial line. Feedback and transmit/receive control inputs are transmitted through the single coax line together with RF signals. The coax line may be long. The apparatus and methods may be used in a vehicular environment.

Abstract: The relative position of one vehicle vs. another vehicle, both driving in a vehicular environment, is determined using vehicular communications based on the IEEE 802.11 standard. The relative position determination is performed in a measuring vehicle using data provided by a measured vehicle through IEEE 802.11 communications carried through beacons as well as GPS or other location data and local map information.

Abstract: A dynamic RF matrix emulator uses digital switching to emulate the switching behavior of hundreds of wireless terminals. The emulator includes a switching matrix with channels formed between terminal pairs, digital front ends for coupling terminals digitally to the switching matrix, and a channel database having entries representing attenuation values which can be changed in time, the attenuation values correlated with movement of vehicles provided by a traffic simulator. Channel behavior is defined by temporal attenuation values obtained from the database. The digital switching is controlled through a digital communication protocol.

Abstract: Methods for pedestrian unit (PU) communication activity reduction in pedestrian-to-vehicle communication networks include obtaining safety risk information for a pedestrian at risk for involvement in an accident and using the risk information to adjust a PU communication activity. In some embodiments, the activity reduction is achieved without implementing understanding of surroundings. In other embodiments, the activity reduction is based on risk assessment provided by vehicles. In some embodiments, the activity reduction includes PU transmission reduction. In some embodiments the transmission activity reduction may be followed by reception activity reduction for overall power consumption reduction.

Abstract: Embodiments of a method for OFDM frame boundary detection in a vehicular multipath channel include use of a maximal channel energy instead of a strongest path for detecting a frame boundary. A sample of OFDM data inputs is processed using long preamble local copy correlation and integration to obtain a channel energy which sums all paths of the multipath. A plurality of such channel energies obtained within a given time period are searched for a maximal channel energy, which, when found, is used to detect the frame boundary.

Abstract: The relative position of one vehicle vs. another vehicle, both driving in a vehicular environment, is determined using vehicular communications based on the IEEE 802.11 standard. The relative position determination is performed in a measuring vehicle using data provided by a measured vehicle through IEEE 802.

Abstract: The relative position of one vehicle vs. another vehicle, both driving in a vehicular environment, is determined using vehicular communications based on the IEEE 802.11 standard. The relative position determination is performed in a measuring vehicle using data provided by a measured vehicle through IEEE 802.11 communications carried through beacons as well as GPS or other location data and local map information.

Abstract: A method for GPS augmentation in a local vehicle located in a particular road section comprises cooperatively learning an averaged external altitude for the particular road section, obtaining an internal altitude for the particular road section, and using the averaged external altitude and the internal altitude to obtain an augmented local altitude for the particular road section. The augmented local altitude is then used to provide an augmented position for the particular road section. The averaged external altitude is learned cooperatively, using external altitudes obtained for the particular road section and transmitted by other vehicles which previously passed through that section. Only reliable external altitude values, as determined from respective VDOP parameters, are used in the cooperative altitude learning.