H04W84/005

Mobile cellular networks
11240677 · 2022-02-01 · ·

Multiple mobile cellular network (MCN) communication systems can be networked together to form a network of MCN communication systems (NOM). Each MCN communication system within the NOM can operate as an independent cellular network to provide communications between user equipment within a covered area. The MCN can be managed by a network management control center (NMCC). The NMCC can be configured generate coverage maps of the NOM and NMC system coverage areas.

Adaptive scalable numerology for high speed train scenarios

The present disclosure provides for adaptive resource management in new radio operations that adapts a numerology including a subcarrier spacing and/or cyclic prefix for a user equipment (UE) traveling at a high speed. A base station may transmit via a plurality of remote radio heads (RRH) to a user equipment (UE) is moving along a high speed track. The base station may transmit, in a first time period, using a first numerology including a first subcarrier spacing and a first cyclic prefix ratio, a first transmission for the UE. The base station may transmit, in a subsequent time period, using a second numerology including a second subcarrier spacing and a second cyclic prefix ratio, a second transmission for the UE. At least one of the second subcarrier spacing is different than the first subcarrier spacing or the second cyclic prefix ratio is different than the first cyclic prefix ratio.

WIRELESS COMMUNICATION SYSTEM AND METHOD FOR TRAINS AND OTHER VEHICLES USING TRACKSIDE BASE STATIONS
20170223592 · 2017-08-03 · ·

A method and system for wireless communication with a mobile router in a moving vehicle, such as a train, and an external wireless network is disclosed. The external network includes a plurality of trackside base stations distributed along a path of travel. The method includes: determining the presence of a mobile router within the access area of a trackside base station, and when the presence of a mobile router has been determined: setting the power of the trackside base station to a high power mode; determining a direction of travel of the vehicle; setting the power of at least one trackside base station arranged in the forward direction of the base station for which the mobile router has been detected to a high power mode; and setting the power of at least one trackside base station arranged in the backward direction of the base station to a low power mode.

WIRELESS COMMUNICATION SYSTEM AND METHOD FOR TRAINS AND OTHER VEHICLES USING TRACKSIDE BASE STATIONS
20170222903 · 2017-08-03 · ·

A method and device for wireless communication between a mobile router in a moving vehicle, such as a train, and an external wireless network is disclosed. The external network includes a plurality of base stations distributed along a vehicle path of travel in compliance with a WLAN standard. The method includes: setting a current value for a timeout parameter within the WLAN standard to a default maximum value exceeding a maximum propagation time between neighboring base stations along the vehicle path; determining when at least one mobile router is within the range of a first base station; determining a roundtrip time for communication between the first base station and the mobile router of the mobile router being most distant from the first base station; setting, in case this roundtrip time is significantly lower than the current value, a new current value in dependence on the roundtrip time.

System and Method for Certificate Selection in Vehicle-to-Vehicle Applications to Enhance Privacy

A system and method are provided for certificate selection in infrastructures such as those planned to be used for V2V messaging, wherein the vehicle (or other moving object)'s location is used to aid in the selection of certificates. In one aspect, there is provided a method of selecting certificates for vehicle-to-vehicle messaging, the method comprising: determining a location for a vehicle; and adapting reuse of certificates in a certificate pool for the vehicle according to the location. In another aspect, there is provided a method of selecting certificates for vehicle-to-vehicle messaging, the method comprising: determining an amount of messaging activity; and adapting reuse of certificates in a certificate pool for the vehicle according to the amount of messaging activity.

Road-side network node and method to operate the road-side network node
11240645 · 2022-02-01 · ·

A method to operate a road-side network node in a cell-supported radio communications network and in an adhoc radio communications network is provided. The method comprises: discovering at least one further road-side network node in the vicinity of the road-side network node as a gateway node, wherein the at least one further road-side node has the capability to exchange data across the cell-supported radio communications network and the adhoc radio communications network; and exchanging data across the cell-supported radio communications network and the adhoc radio communications network in dependence on the discovered at least one further road-side network node.

Wireless Communication System and Wireless Communication Apparatus
20220272509 · 2022-08-25 ·

The present invention provides a wireless communication system capable of performing communication between wireless communication apparatuses respectively mounted on vehicles performing platooning is characterized in that a frequency channel used in data transmission and reception between an own vehicle and a preceding vehicle adjacent to the own vehicle, and a frequency channel used in data transmission and reception between the own vehicle and a succeeding vehicle adjacent to the own vehicle are different from each other.

POWER EFFICIENT ITERATIVE SENSOR FUSION

Methods, systems, and devices for wireless communications are described. A user equipment (UE) may select, based at least in part on a sensor selection criteria, a first subset of sensors from a set of available sensors of the UE, each sensor in the set of available sensors associated with a sensor type. The UE may perform, using the first subset of sensors, sensing operations to obtain a first sensing data, the first sensing data comprising sensing data measured by the UE during the sensing operations. The UE may transmit a first sensing report indicating the first sensing data. The UE may receive, based at least in part on the first sensing report, a second sensing report indicating a second sensing data, the second sensing data comprising a unified sensing report based on the first sensing report from the UE and one or more additional sensing reports from other UE.

Wireless vehicular communications with channel allocation involving different protocols

Aspects of the present disclosure are directed to methods and/or apparatuses involving stations (102, 104, 105) participating in wireless station-to-station communications in which each of a plurality of stations shares a wireless communications channel (101). Information is collected wirelessly (102) from transmissions associated with a first communication protocol and from transmissions associated with a second communication protocol. A current communication environment is dynamically discerned therefrom (102), and used to characterize a dynamic relationship of the collected information, which is indicative of respective usage of the wireless communication channel by data transmitted via the respective protocols. Usage of the channel is allocated (102) for respective communications that use the first and second communication protocols based on the dynamic relationship. Sets of data (110, 111, 120, 121, 122) are wirelessly transmitted via the first and second communication protocols over the channel, based on the allocated usage.

Radio communication system, radio mobile station and radio base station

To improve system performance for mobile communications (group mobility) in a plurality of terminals existing inside the same moving object, a radio communication system of the present invention is a radio communication system for mobile communications in a plurality of user terminals existing in a moving object, and has a radio base station for forming a cell on a moving path of the moving object, and a radio mobile station installed in the moving object to relay communications between the plurality of user terminals and the radio base station. By this means, by offloading communications according to user terminals inside the moving object by the dedicated system for group mobility, it is possible to reduce the load on the existing radio communication system, and it is possible to improve system performance of the entire radio communication system.