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WO2019050450A1 - Procédé et agencement de commande pour amélioration de la connectivité de réseau - Google Patents

Procédé et agencement de commande pour amélioration de la connectivité de réseau Download PDF

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Publication number
WO2019050450A1
WO2019050450A1 PCT/SE2018/050844 SE2018050844W WO2019050450A1 WO 2019050450 A1 WO2019050450 A1 WO 2019050450A1 SE 2018050844 W SE2018050844 W SE 2018050844W WO 2019050450 A1 WO2019050450 A1 WO 2019050450A1
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WIPO (PCT)
Prior art keywords
wireless communication
communication device
vehicle
measurement parameter
cellular network
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/SE2018/050844
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English (en)
Inventor
Assad ALAM
Bas OREMUS
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Scania CV AB
Original Assignee
Scania CV AB
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Filing date
Publication date
Application filed by Scania CV AB filed Critical Scania CV AB
Publication of WO2019050450A1 publication Critical patent/WO2019050450A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/021—Traffic management, e.g. flow control or congestion control in wireless networks with changing topologies, e.g. ad-hoc networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/03—Reselecting a link using a direct mode connection
    • H04W36/037—Reselecting a link using a direct mode connection by reducing handover delay, e.g. latency
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/16—Discovering, processing access restriction or access information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10—Small scale networks; Flat hierarchical networks
    • H04W84/12—WLAN [Wireless Local Area Networks]
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
    • G08G1/096708—Systems involving transmission of highway information, e.g. weather, speed limits where the received information might be used to generate an automatic action on the vehicle control
    • G08G1/096716—Systems involving transmission of highway information, e.g. weather, speed limits where the received information might be used to generate an automatic action on the vehicle control where the received information does not generate an automatic action on the vehicle control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/14—Reselecting a network or an air interface
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/005—Moving wireless networks

Definitions

  • This document discloses a method and a control arrangement. More particularly, a method and a control arrangement is described for improving cellular network connectivity in a vehicle, comprising a wireless communication device configured for wireless communication over a first communication interface, and also configured for cellular network communication over a second communication interface.
  • a vehicle creates a cellular communication connection to a certain operator and generation. 25 This is often done based on roaming profile and signal strength.
  • Document US9432929 discloses a communication configuration system for a fleet of auto- mated vehicles.
  • Automated vehicles can connect to various network types provided by various base stations.
  • the vehicles can select a suitable base station.
  • a vehicle can provide updated network data to other vehicles in a fleet.
  • the network data can include transmission cost data and network latency data.
  • the communication device of an autonomous vehicle is capable of several cellular communication protocols, such as 3G, 4G, LTE (Long Term Evolution), etc. Thereby however, additional costs are involved. Possibly also several network subscriptions have to be taken, which add further costs.
  • 3G, 4G, LTE Long Term Evolution
  • Document CN103781 198 discloses a vehicle networking message propagation method.
  • Several vehicles form a vehicle cluster.
  • the cluster head vehicle communicates with a LTE/ LTE-A base station. Vehicles in the same vehicle cluster use the 802.1 1 p communication module to carry out message broadcasting.
  • the cluster head vehicle reports an emergency information to the LTE/ LTE-A eNodeB. If the cluster head vehicle is in the coverage of two eNodeBs, the eNodeB with stronger signal strength is se- lected.
  • Document CN106162806 discloses a method of a networked vehicle system.
  • a communication device in a vehicle has access to a high-level network standard base station and a low-level network system vehicle terminal. Via the low-level network system vehicle terminal, a request may be received from a communication device of another vehicle, to allow communication from the communication device of other vehicle, to the high-level network standard base station.
  • the document does not disclose or discuss how to select the best network and/ or how to change such determination. The document does not present any solution to the problem of how to avoid or minimise problems related to routing when driving international.
  • Document US2015254987 discloses a method for in-vehicle wireless communications. Among a four-vehicle-group, only one vehicle accesses a database. The other vehicles in the group acquire the information from the database through vehicle-to-vehicle communication, via the vehicle having the accession to the database.
  • this objective is achieved by a method for improv- ing cellular network connectivity in a vehicle, comprising a wireless communication device, configured for wireless communication over a first communication interface.
  • the wireless communication device is also configured for cellular network communication over a second communication interface.
  • the method comprises establishing a wireless connection over the first communication interface, via the wireless communication device, with a vehicle external wireless communication device. Further, the method also comprises detecting that the vehicle external wireless communication device is configured also for cellular network communication over the second communication interface.
  • the method in addition comprises receiving a measurement parameter related to the capacity of the cellular network communication of the vehicle external wireless communication device.
  • the method also comprises determining a measurement parameter related to the capacity of the cellular network communication of the wireless communication device in the vehicle.
  • the method furthermore comprises comparing the received measurement parameter with the determined measurement parameter.
  • the method also comprises routing the cellular communication of the wireless communication device of the vehicle via the vehicle external wireless communication device when the determined measurement parameter is inferior to the received measurement parameter, according to the comparison.
  • this objective is achieved by a control arrangement in a wireless communication device.
  • the wireless communication device aims at improving cellular network connectivity in a vehicle, comprising the wireless communication device.
  • the wireless communication device is configured for wireless communication over a first communication interface.
  • the wireless communication device is also configured for cellular network communication over a second communication interface.
  • the control arrangement is configured to establish a wireless connection over the first communication interface, via the wireless communication device, with a vehicle external wireless communication device.
  • control arrangement is configured to detect that the vehi- cle external wireless communication device is configured also for cellular network communication over the second communication interface.
  • the control arrangement is additionally configured to receive, via the wireless communication device, a measurement parameter related to the capacity of the cellular network communication of the vehicle external wireless communication device.
  • control arrangement is configured to determine a measure- ment parameter related to the capacity of the cellular network communication of the wireless communication device in the vehicle.
  • the control arrangement is furthermore configured to compare the received measurement parameter with the determined measurement parameter.
  • control arrangement is configured to rout the cellular communication of the wireless communication device of the vehicle via the vehicle external wireless communi- cation device when the determined measurement parameter is inferior to the received measurement parameter, according to the comparison.
  • the described aspects by detecting wireless communication devices within communication range of the first wireless communication interface and determining cellular com- munication capacity of such detected wireless communication device it could be determined if the cellular communication of the other wireless communication device is better than the cellular communication of the own wireless communication device, in terms of capacity, speed, quality, price and/ or some other similar parameter.
  • information to be communicated between the wireless communication device of the vehicle and a network node is routed via the other, vehicle external wireless communication device over the first communication interface.
  • Figure 1 A illustrates a vehicle according to an embodiment of the invention
  • Figure 1 B illustrates vehicles organised in a platoon according to an embodiment of the invention
  • FIG. 2 illustrates communicating vehicles according to an embodiment of the invention
  • Figure 3A illustrates a vehicle interior of a vehicle according to an embodiment of the invention
  • Figure 3B illustrates a vehicle interior of a vehicle according to an embodiment of the invention
  • Figure 4 is a flow chart illustrating an embodiment of a method
  • Figure 5 is an illustration depicting a control arrangement and a system according to an embodiment.
  • Embodiments of the invention described herein are defined as a method and a control arrangement, which may be put into practice in the embodiments described below. These embodiments may, however, be exemplified and realised in many different forms and are not to be limited to the examples set forth herein; rather, these illustrative examples of embodiments are provided so that this disclosure will be thorough and complete.
  • FIG. 1 A illustrates a scenario with a vehicle 100, driving in a driving direction 105, driving on a road 120.
  • the vehicle 100 may comprise a means for transportation in broad sense such as e.g. a truck, a car, a motorcycle, a trailer, a bus, a bike, a train, a tram, an aircraft, a watercraft, a cable transport, an aerial tramway, an elevator, a drone, a spacecraft, or other similar manned or unmanned (autonomous) means of conveyance running e.g. on wheels, rails, air, water or similar media.
  • the vehicle 100 may be configured for running on a road, on a rail, in terrain, in water, in air, in space, etc.
  • the vehicle 100 may be driver controlled or driverless (i.e. autonomously controlled) in different embodiments. However, for enhanced clarity, the vehicle 100 is subsequently de- scribed as having a driver.
  • Figure 1 B illustrates a scenario with a multitude of vehicles 100a, 100b, 100c, driving in the driving direction 105, with an inter-vehicular distance, organised in a cluster of cooperating vehicles 1 10, driving on the road 120.
  • the cluster of cooperating vehicles 1 10 may be re- ferred to as a platoon.
  • the vehicle platoon may be described as a chain of coordinated, intercommunicating vehicles 100a, 100b, 100c travelling at given inter-vehicular distances and velocity.
  • the cluster of cooperating vehicles 1 10 may not necessarily be organised in a platoon, but may instead comprise vehicles 100a, 100b, 100c being situated within wireless communication distance from each other; vehicles having the same owner; vehicles of the same brand; vehicles having a communication cooperation agreement, etc.
  • the vehicles 100a, 100b, 100c in the cluster of cooperating vehicles 1 10 may form an ad-hoc group, based on an inter-vehicular distance being within wireless communication range, e.g. when driving beside each other on a highway; when driving slowly in a traffic congestion; when being parked close to another vehicle 100a, 100b, 100c, etc.
  • Figure 2 illustrates a scenario with a plurality of vehicles 100a, 100b, 100c in the cluster of cooperating vehicles 1 10.
  • the vehicles 100a, 100b, 100c comprises a respective wireless communication device 200a, 200b, 200c.
  • the communication devices 200a, 200b, 200c may be configured for wireless communication with the other communication devices 200a, 200b, 200c within radio communication range over a first wireless communication interface 220, such as peer-to-peer communication, Wireless Local Area Network, or WiFi.
  • Communication may be made over the first wireless communication interface 220, such as e.g. Vehicle-to-Vehicle (V2V) communication, or Vehicle-to-lnfrastructure (V2I) communication.
  • V2V Vehicle-to-Vehicle
  • V2I Vehicle-to-lnfrastructure
  • the common term Vehicle-to-Everything (V2X) is sometimes used.
  • the communication between vehicles 100a, 100b, 100c may be performed via V2V communication, e.g. based on Dedicated Short-Range Communications (DSRC) devices.
  • DSRC works in 5.9 GHz band with bandwidth of 75 MHz and approximate range of 1000 m in some embodiments.
  • the first wireless communication interface 220 may be made according to any IEEE standard for wireless vehicular communication like e.g. a special mode of operation of IEEE 802.1 1 for vehicular networks called Wireless Access in Vehicular Environments (WAVE).
  • IEEE 802.1 1 p is an extension to 802.1 1 Wireless LAN medium access
  • Such wireless communication interface 220 may comprise, or at least be inspired by wireless communication technology such as Wi-Fi, Wireless Local Area Network (WLAN), Ultra Mobile Broadband (UMB), Bluetooth (BT), Near Field Communication (NFC), Radio-Frequency Identification (RFID), Z-wave, ZigBee, IPv6 over Low power Wireless Personal Area Net- works (6L0WPAN), Wireless Highway Addressable Remote Transducer (HART) Protocol, Wireless Universal Serial Bus (USB), optical communication such as Infrared Data Association (IrDA), Low-Power Wide-Area Network (LPWAN) such as e.g. LoRa, or infrared transmission to name but a few possible examples of wireless communications in some embodiments.
  • wireless communication technology such as Wi-Fi, Wireless Local Area Network (WLAN), Ultra Mobile Broadband (UMB), Bluetooth (BT), Near Field Communication (NFC), Radio-Frequency Identification (RFID), Z-wave, ZigBee, IPv6 over Low power Wireless Personal Area Net- works (6L0WPAN), Wireless Highway Addressable Remote
  • the wireless communication devices 200a, 200b, 200c may also be configured for cellular network communication over a second communication interface 230 with a respective cellular network node 210a, 210b, 210c.
  • the second communication interface 230 may comprise or at least being inspired by radio access technologies such as e.g.
  • 5G 5th generation mobile networks
  • 4G 4th generation mobile networks
  • 3GPP LTE 3rd Generation Partnership Project Long Term Evolution
  • LTE-Advanced Universal Mobile Telecommunications System
  • GSM Groupe Special Mobile
  • GSM/ EDGE WCDMA
  • Time Division Multiple Access TDMA
  • FDMA Frequency Division Multiple Access
  • OFDMA Orthogonal FDMA
  • SC-FDMA Single-Carrier FDMA
  • WiMax Worldwide Interoperability for Microwave Access
  • UMB Ultra Mobile Broadband
  • High Speed Packet Access HSPA
  • E-UTRA Evolved Universal Terrestrial Radio Access
  • UTRA Universal Terrestrial Radio Access
  • GERAN 3GPP2 CDMA technologies, e.g., CDMA2000 1 x RTT and High Rate Packet Data (HRPD), or similar, just to mention some few options, via a wireless communication network.
  • Different vehicles 100a, 100b, 100c in the cluster of cooperating vehicles 1 10 may have different wireless communication devices 200a, 200b, 200c, having different capacity and/ or having different mobile network generations, being connected to different mobile operators, etc.
  • the other vehicles 100a, 100b, 100c may use the wireless communication device 200a, 200b, 200c having the best cellular communication over the second communication interface 230.
  • 20 220 is then distributing the communication of the vehicles 100a, 100b, 100c to the selected communication device 200a, 200b, 200c for cellular communication.
  • the other available cellular communication connections may be kept active so that data traffic can instantly be rerouted when the main connection is lost, or when it is detected that one 25 of the standby connections becomes a better channel.
  • Figure 3A illustrates an example of how any of the previously scenario in Figure 2 may be perceived by the driver of a vehicle 100a, 100b, 100c in the cluster of cooperating vehicles 1 10.
  • the second vehicle 100b in the cluster of cooperating vehicles 1 10 is illustrated, this is merely a non-limiting example. Any other vehicle 100a, 100b, 100c in the cluster 1 10, or some or all of them may be equally or similarly equipped.
  • the vehicle 100b thus follow the preceding vehicle 100a at a distance.
  • the vehicle 100b comprises a control arrangement 310 of a wireless communication device 200a, 200b, 200c, for improving cellular network connectivity in the vehicle 100b.
  • the control arrangement 310 may, via the wireless communication device 200a, 200b, 200c establish a wireless connection over a first communication interface 220, with a vehicle external wireless communication device 200a, in this case situated in the preceding vehicle 5 100a.
  • the first communication interface 220 may be e.g. a Vehicle-to-Vehicle (V2V) signal, or any other wireless signal based on, or at least inspired by wireless communication technology such as Wi-Fi, Wireless Local Area Network (WLAN), Ultra Mobile Broadband (UMB), Blue-0 tooth (BT), the communication protocol IEEE 802.1 1 p, Wireless Access in Vehicular Environments (WAVE) or infrared transmission to name but a few possible examples of wireless communications.
  • V2V Vehicle-to-Vehicle
  • Wi-Fi Wireless Local Area Network
  • UMB Ultra Mobile Broadband
  • BT Blue-0 tooth
  • IEEE 802.1 1 p Wireless Access in Vehicular Environments
  • WAVE Wireless Access in Vehicular Environments
  • infrared transmission to name but a few possible examples of wireless communications.
  • control arrangement 310 may detect that the vehicle external wireless commu-5 nication device 200a is configured also for cellular network communication over the second communication interface 230, i.e. the cellular network. The control arrangement 310 then requests a measurement parameter related to the capacity of the cellular network communication of the vehicle external wireless communication device 200a. Also, the control arrangement 310 determine a corresponding measurement parameter related to the capacity of the0 cellular network communication 230 of the wireless communication device 200b in the own vehicle 100. By comparing these measurement parameters with each other, The control arrangement 310 is enabled to determine the best connection of the two, in terms of capacity, speed, price, routing requirements, etc. These criteria may be predetermined or configurable. The control arrangement 310 may then rout the cellular communication 230 of the wireless5 communication device 200b of the vehicle 100 via the vehicle external wireless communication device 200a when the determined measurement parameter is inferior to the received measurement parameter, according to the comparison.
  • the vehicle 100b may comprise a positioning unit 320.
  • the positioning unit 320 may be based on a satellite navigation system such as the Navigation Signal Timing and Ranging (Navstar) Global Positioning System (GPS), Differential GPS (DGPS), Galileo, GLONASS, or the like.
  • GPS Navigation Signal Timing and Ranging
  • DGPS Differential GPS
  • Galileo GLONASS
  • the positioning unit 320 may comprise a GPS receiver.
  • the geographical position of the vehicle 100b may be determined continuously or at certain predetermined or configurable time intervals according to various embodiments. Positioning by satellite navigation is based on distance measurement using triangulation from a number of satellites 330a, 330b, 330c, 330d.
  • the satellites 330a, 330b, 330c, 330d continuously transmit information about time and date (for example, in coded form), identity (which satellite 330a, 330b, 330c, 330d which broadcasts), status, and where the satellite 5 330a, 330b, 330c, 330d are situated at any given time.
  • GPS satellites 330a, 330b, 330c, 330d sends information encoded with different codes, for example, but not necessarily based on Code Division Multiple Access (CDMA).
  • CDMA Code Division Multiple Access
  • This information can then be transmit-0 ted to be received by the appropriately adapted positioning unit 320 in the vehicle 100b.
  • Distance measurement can according to some embodiments comprise measuring the difference in the time it takes for each respective satellite signal transmitted by the respective satellites 330a, 330b, 330c, 330d, to reach the positioning unit 320. As the radio signals5 travel at the speed of light, the distance to the respective satellite 330a, 330b, 330c, 330d may be computed by measuring the signal propagation time.
  • the positions of the satellites 330a, 330b, 330c, 330d are known, as they continuously are monitored by approximately 15-30 ground stations located mainly along and near the earth's0 equator. Thereby the geographical position, i.e. latitude and longitude, of the vehicle 100b may be calculated by determining the distance to at least three satellites 330a, 330b, 330c, 330d through triangulation. For determination of altitude, signals from four satellites 330a, 330b, 330c, 330d may be used according to some embodiments.
  • the control arrangement 310 may determine which network providers that are superior at the current geographical position, or preferably a bit ahead in the driving direction 105, such as e.g. on the upcoming road section. This information may be extracted from a database 340.
  • the database 340 may be situated within the vehicle 100b in some0 embodiments, or alternatively external to the vehicle 100b, and accessible via a wireless interface.
  • different geographical positions may be stored, associated with a respective preferred network provider to be utilised.
  • Figure 3B illustrates yet an example of how any of the previously scenario in Figure 2 may be perceived by the driver of a vehicle 100a, 100b, 100c in the cluster of cooperating vehicles 1 10.
  • the second vehicle 100b in the cluster of cooperating vehicles 1 10 is illustrated, this is merely a non-limiting example. Any other vehicle 100a, 100b, 100c in the cluster 1 10, or some or all of them may be equally or similarly equipped.
  • the wireless communication device 200b of the vehicle 100b in this illustrative example has established wireless communication over a first wireless communication interface 220 with a wireless communication device 200a of another vehicle 100a, and a wireless communication device 350 situated at a structure at the roadside, on the road 120, or on a building off the road 120.
  • the control arrangement 310 then make a check, e.g. via a request, whether the vehicle external wireless communication devices 200b, 350 are configured also for cellular network communication over a second wireless communication interface 230. Further, the control arrangement 310 receives measurement parameters related to the capacity of the cellular network communication 230 of the vehicle external wireless communication devices 200b, 350. The control arrangement 310 also determines the corresponding measurement parameter of the wireless communication device 200a. A comparison is then made between the received measurement parameters of the vehicle external wireless communication devices 200b, 350, with the determined measurement parameter of the wireless communication device 200a. Based on the made comparison, the control arrangement 310 then determines which of the available wireless communication devices 200a, 200b, 350 which is best in terms of communication capacity, communication speed, price, reliability or other similar parameter over the second communication interface 230.
  • the control arrangement 310 then routs the cellular communication 230 of the wireless communication device 200b of the vehicle 100b via the vehicle external wireless communication device 200a, 350 when the determined measurement parameter is inferior to the received measurement parameter, according to the comparison. Otherwise, in case the own wireless communication device 200b has superior wireless communication capacity, the wireless cellular communication over the second wireless communication interface 230 is made on the own wireless communication device 200b.
  • wireless communication of the vehicle external wireless communication devices 200a, 350 may be routed via the first wireless communication interface 220 to the wireless communication device 200b in the vehicle 100b, and then transmitted via the second wireless communication interface 230 by the wireless communication device 200b.
  • Figure 4 illustrates an example of a method 400 for use in a control arrangement 310 of a vehicle 100.
  • the method 400 aims at improving cellular network connectivity in the vehicle 100, comprising a wireless communication device 200a, 200b, 200c configured for wireless 5 communication over a first communication interface 220, and also configured for cellular network communication over a second, cellular, communication interface 230.
  • the first communication interface 220 comprises direct peer-to-peer communication between the involved wireless communication devices 200a, 200b, 200c, 350.
  • the second 10 communication interface 230 concerns cellular communication.
  • the vehicle 100 may be any arbitrary kind of means for conveyance, such as a truck, a bus or a car, etc.
  • the vehicle 100 may be comprised in a cluster 1 10 of cooperating vehicles 100a, 100b, 100c in some embodiments.
  • the cluster 1 10 of cooperating vehicles 100a, 15 100b, 100c may comprise a platoon in some embodiments; however, the cluster 1 10 of cooperating vehicles 100a, 100b, 100c may comprise an ad-hoc group of vehicles which acci- dently are situated within range of wireless communication over the first communication interface 220.
  • the first communication interface 220 may comprise a peer-to-peer communication, Wireless Local Area Network, or WiFi or be based on e.g. Vehicle-to- Vehicle (V2V) communication or any other wireless communication technology such as Wireless Local Area Network (WLAN), Ultra Mobile Broadband (UMB), Bluetooth (BT), or infrared transmission to name but a few possible examples of wireless communications.
  • V2V Vehicle-to- Vehicle
  • WLAN Wireless Local Area Network
  • UMB Ultra Mobile Broadband
  • BT Bluetooth
  • infrared transmission to name but a few possible examples of wireless communications.
  • the second communication interface 230 may comprise e.g. 2G, 3G, 4G, 5G cellular communication between the involved wireless communication devices 200a, 200b, 200c, 350 and a base station 210a, 210b, 210c.
  • the method 400 may comprise a number of steps 401 -408. However, some of these steps 401 -408 may be performed solely in some alternative embodiments, like e.g. step 407-408. Further, the described steps 401 -408 may be performed in a somewhat different chronological order than the numbering suggests.
  • the method 400 may comprise the subsequent steps:
  • Step 401 comprises establishing a wireless connection over the first communication interface 220, via the wireless communication device 200a, 200b, 200c, with a vehicle external wireless communication device 200a, 200b, 200c, 350.
  • the wireless connection may be established over the first communication interface 220 via the wireless communication device 200a, 200b, 200c, with wireless communi- 5 cation devices 200a, 200b, 200c of at least two other cooperating vehicles 100a, 100b, 100c, respectively.
  • Step 402 comprises detecting that the vehicle external wireless communication device 200a, 200b, 200c is configured also for cellular network communication over the second commu- 10 nication interface 230.
  • the detection may be made by transmitting a request to the other vehicle external wireless communication device 200a, 200b, 200c.
  • Step 403 comprises receiving a measurement parameter related to the capacity of the cellular network communication 230 of the vehicle external wireless communication device 200a, 200b, 200c, 350.
  • the measurement parameter related to the capacity of the cellular network communication 20 230 may be related to: cellular network availability; cellular network capacity; routing requirements of the cellular network provider; price of the cellular communication.
  • a measurement parameter related to the capacity of the cellular network commu- 25 nication 230 of the wireless communication devices 200a, 200b, 200c of the other cooperating vehicles 100a, 100b, 100c is received.
  • Step 404 comprises determining a measurement parameter related to the capacity of the cellular network communication 230 of the wireless communication device 200a, 200b, 200c 30 in the vehicle 100.
  • the determined measurement parameter of the wireless communication device 200a, 200b, 200c is the same or corresponding as the measurement parameter related to the capacity of the cellular network communication 230 of the vehicle external wireless communication de- 35 vice 200a, 200b, 200c, 350.
  • Step 405 comprises comparing the received 403 measurement parameter with the determined 404 measurement parameter.
  • the comparison may be made between all the received 403 measurement parameters and the determined 404 measurement parameter.
  • Step 406 comprises routing the cellular communication 230 of the wireless communication device 200a, 200b, 200c of the vehicle 100 via the vehicle external wireless communication device 200a, 200b, 200c, 350 when the determined 404 measurement parameter is inferior to the received 403 measurement parameter, according to the comparison 405.
  • communication to be transmitted by the wireless communication device 200a, 200b, 200c of the vehicle 100 is transmitted over the first communication interface 220, to the vehicle external wireless communication device 200a, 200b, 200c, 350; which then transmits the information of the vehicle 100 to be transmitted, over the second, cellular, commu- 15 nication interface 230.
  • the cellular communication routing of the cooperating vehicles 100a, 100b, 100c may be made via the wireless communication device 200a, 200b, 200c, 350 having a supe- 20 rior received 403, or determined 404, measurement parameter according to the comparison 405.
  • the cellular communication of the involved wireless communication device 200a, 200b, 200c, 350 may be made by the wireless communication device 200a, 200b, 200c, 350 25 having the best cellular communication, e.g. being the fastest, not having routing requirements, being the cheapest, etc.
  • Step 407 which may be performed only in some embodiments wherein cellular communication 230 of any wireless communication device 200a, 200b, 200c having an inferior received 30 403, or determined 404 measurement parameter related to the capacity of the cellular network communication 230, is/ are kept in stand-by mode, comprises selecting a wireless communication device 200a, 200b, 200c having a cellular communication 230, having a second best received 403/ determined 404 measurement parameter according to the comparison 405.
  • Step 408 which may be performed only in some embodiments wherein step 407 has been performed, comprises re-routing cellular communication 230 to the selected 407 wireless communication device 200a, 200b, 200c, 350 when the routed 406 cellular communication 230 deteriorates below a threshold value.
  • Figure 5 illustrates an embodiment of a system 500 for improving cellular network connectivity in a vehicle 100, comprising the wireless communication device 200a, 200b, 200c, con- figured for wireless communication over a first communication interface 220, and also configured for cellular network communication over a second communication interface 230.
  • the system 500 comprises a control arrangement 310 in the vehicle 100 for controlling communication via the wireless communication device 200a, 200b, 200c of the vehicle 100 and for performing the previously described method 400 according to at least some of the method step 401 -408.
  • the control arrangement 310 is configured to establish a wireless connection over the first communication interface 220, via the wireless communication device 200a, 200b, 200c, with a vehicle external wireless communication device 200a, 200b, 200c, 350. Further, the control arrangement 310 is also configured to detect that the vehicle external wireless communication device 200a, 200b, 200c, 350 is configured also for cellular network communication over the second communication interface 230. The control arrangement 310 is furthermore configured to receive, via the wireless communication device 200a, 200b, 200c, a measurement parameter related to the capacity of the cellular network communication of the vehicle external wireless communication device 200a, 200b, 200c, 350.
  • control arrangement 310 is configured to determine a measurement parameter related to the capacity of the cellular network communication 230 of the wireless communication device 200a, 200b, 200c in the vehicle 100.
  • the control arrangement 310 is configured to compare the received meas- urement parameter with the determined measurement parameter.
  • control arrangement 310 is configured to rout the cellular communication 230 of the wireless communication device 200a, 200b, 200c of the vehicle 100 via the vehicle external wireless communication device 200a, 200b, 200c, 350 when the determined measurement parameter is inferior to the received measurement parameter, according to the comparison.
  • the control arrangement 310 may further, in some embodiments wherein the vehicle 100 is comprised in a cluster of cooperating vehicles 1 10, be configured to establish a wireless connection over the first communication interface 220, via the wireless communication device 200a, 200b, 200c, with wireless communication devices 200a, 200b, 200c of at least two other cooperating vehicles 100a, 100b, 100c, respectively.
  • control arrangement 310 may alternatively be configured to receive a measurement parameter related to the capacity of the cellular network communication 230 of the wireless communication devices 200a, 200b, 200c of the other cooperating vehicles 100a, 100b, 100c, when the vehicle 100 is comprised in a cluster of cooperating vehicles 1 10.
  • control arrangement 310 may also be configured to compare all the received measurement parameters and the determined measurement parameter and rout the cellular communication 230 of the cooperating vehicles 100a, 100b, 100c via the wireless communication device 200a, 200b, 200c having a superior received, or determined, measurement parameter according to the comparison.
  • the control arrangement 310 may be further configured to keep cellular communication 230 of any wireless communication device 200a, 200b, 200c having an inferior received, or determined, measurement parameter related to the capacity of the cellular network communication 230, in stand-by mode.
  • control arrangement 310 may also be configured to select a wireless communication device 200a, 200b, 200c, 350 having a cellular communication 230, having a second best received/ determined measurement parameter according to the comparison.
  • the control arrangement 310 may be configured to re-rout cellular communication 230 to the selected wireless communication device 200a, 200b, 200c, 350 when the routed cellular communication 230 deteriorates below a threshold value, in some embodiments.
  • the control arrangement 310 may comprise a receiving circuit 510 configured for receiving wireless and/ or wired signals from the wireless communication device 200a, 200b, 200c, and/ or a positioning device 320.
  • the control arrangement 310 may also comprise a processing circuitry 520 configured for performing at least some of the calculating or computing of the control arrangement 310.
  • the processor 520 may be configured for improving cellular network connectivity in a vehicle 100, comprising the wireless communication device 200a, 200b, 200c, configured for wireless communication over a first communication interface 220, and also configured for cellular network communication over a second communication interface 230.
  • processing circuitry 520 may comprise one or more instances of a processing circuit, i.e. a Central Processing Unit (CPU), a processing unit, a processing circuit, a processor, an Application Specific Integrated Circuit (ASIC), a microprocessor, or other processing logic that may interpret and execute instructions.
  • processing circuitry may thus represent a processing device comprising a plurality of processing circuits, such as, e.g., any, some or all of the ones enumerated above.
  • control arrangement 310 may comprise a memory 525 in some embodiments.
  • the optional memory 525 may comprise a physical device utilised to store data or programs, i.e., sequences of instructions, on a temporary or permanent basis.
  • the memory 525 may comprise integrated circuits comprising silicon- based transistors.
  • the memory 525 may comprise e.g. a memory card, a flash memory, a USB memory, a hard disc, or another similar volatile or non-volatile storage unit for storing data such as e.g. ROM (Read-Only Memory), PROM (Programmable Read-Only Memory), EPROM (Erasable PROM), EEPROM (Electrically Erasable PROM), etc. in different embodiments.
  • control arrangement 310 may comprise a signal transmitter 530.
  • the signal transmitter 530 may be configured for transmitting a control signal over a wired or wireless interface to a wireless transmitter 200 which in turn may signal or broadcast wireless signals to vehicles 100a, 100b, 100c of the cluster 1 10, or other road side transmitters 350.
  • the previously described steps 401 -408 to be performed in the control arrangement 310 may be implemented through the one or more processing circuitries 520 within the control ar- rangement 310, together with computer program product for performing at least some of the functions of the steps 401 -408.
  • a computer program product comprising instructions for performing the steps 401 -408 in the control arrangement 310 may perform the method 400 comprising at least some of the steps 401 -408 for improving cellular network connectivity in a vehicle 100, comprising the wireless communication device 200a, 200b, 200c, config- ured for wireless communication over a first communication interface 220, and also configured for cellular network communication over a second communication interface 230, when the computer program is loaded into the one or more processing circuitries 520 of the control arrangement 310.
  • the computer program product mentioned above may be provided for instance in the form of a data carrier carrying computer program code for performing at least some of the step 401 -408 according to some embodiments when being loaded into the one or more processing circuitries 520 of the control arrangement 310.
  • the data carrier may be, e.g., a hard disk, a CD ROM disc, a memory stick, an optical storage device, a magnetic storage device or any other appropriate medium such as a disk or tape that may hold machine readable data in a non-transitory manner.
  • the computer program product may furthermore be provided as computer program code on a server and downloaded to the control arrangement 310 remotely, e.g., over an Internet or an intranet connection.
  • some embodiments may comprise a vehicle 100a, 100b, 100c comprising a control arrangement 310 as described above.
  • the terminology used in the description of the embodiments as illustrated in the accompanying drawings is not intended to be limiting of the described methods 400; the control arrangement 310; the systems 500; the computer programs; or the vehicle 100a, 100b, 100c.
  • Various changes, substitutions or alterations may be made, without departing from invention embodiments as defined by the appended claims.
  • the term “and/ or” comprises any and all combinations of one or more of the associated listed items.
  • the term “or” as used herein, is to be interpreted as a mathematical OR, i.e., as an inclusive disjunction; not as a mathematical exclusive OR (XOR), unless expressly stated otherwise.
  • the singular forms “a”, “an” and “the” are to be inter- preted as “at least one”, thus also possibly comprising a plurality of entities of the same kind, unless expressly stated otherwise.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Procédé (400) et agencement de commande (310) pour améliorer la connectivité de réseau cellulaire dans un véhicule (100), comprenant un dispositif de communication sans fil (200a, 200b, 200c) conçu pour une communication sans fil sur une première et une seconde interface de communication (220, 230). Le procédé (400) consiste à : établir (401) une connexion sans fil sur la première interface de communication (220), avec un dispositif de communication sans fil externe de véhicule (200a, 200b, 200c, 350) ; détecter (402) que ledit dispositif (200a, 200b, 200c) est conçu également pour une communication de réseau cellulaire ; recevoir (403) un paramètre de mesure associé à la capacité dudit dispositif (200a, 200b, 200c, 350) ; déterminer (404) un paramètre de mesure associé à la capacité de communication de réseau cellulaire du véhicule (100) ; comparer (405) les paramètres de mesure les uns aux autres ; et acheminer (406) la communication cellulaire (230) du véhicule (100) par l'intermédiaire du dispositif de communication sans fil externe de véhicule (200a, 200b, 200c, 350) lorsqu'il a une meilleure connexion.
PCT/SE2018/050844 2017-09-07 2018-08-21 Procédé et agencement de commande pour amélioration de la connectivité de réseau Ceased WO2019050450A1 (fr)

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SE1751080A SE1751080A1 (en) 2017-09-07 2017-09-07 Method and control arrangement for improving network connectivity
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